1 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4 (xtensa_const_ok_for_letter_p): Delete.
5 (xtensa_extra_constraint): Delete.
6 (override_options): Delete xtensa_char_to_class initialization.
7 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
8 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9 (EXTRA_CONSTRAINT): Delete.
10 * config/xtensa/xtensa.md: Include constraints.md.
11 (call_internal): Combine alternatives.
12 (call_value_internal): Likewise, and remove invalid constraints.
13 * config/xtensa/constraints.md: New file.
14 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
15 (xtensa_extra_constraint): Delete.
16 * doc/md.texi (Machine Constraints): Refer to constraints.md for
19 2006-11-21 Janis Johnson <janis187@us.ibm.com>
21 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
22 of conversion that doesn't fit.
24 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
25 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
26 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
28 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
30 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
32 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
34 2006-11-21 Richard Guenther <rguenther@suse.de>
36 * tree-vectorizer.h (NUM_PATTERNS): Increase.
37 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
38 vect_recog_pow_pattern.
39 (vect_recog_pow_pattern): New function.
41 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
43 * config/bfin/bfin.opt (mstack-check-l1): New.
44 * doc/invoke.texi (Blackfin Options): Document it.
45 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
46 stack bounds in L1 memory if the new option is enabled.
47 (override_options): Don't allow combinations of -fstack-limit and
49 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
52 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
54 (bfin_register_move_cost): Bump costs if trying to move plain
55 integer values through accumulators.
57 2006-11-21 Ben Elliston <bje@au.ibm.com>
59 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
61 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
62 Russell Olsen <Russell_Olsen@playstation.sony.com>
63 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
64 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
65 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
66 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
67 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
69 * config.gcc: Add target for SPU.
70 * config/spu/constraints.md: New file.
71 * config/spu/crt0.c: New file.
72 * config/spu/crtend.c: New file.
73 * config/spu/crti.asm: New file.
74 * config/spu/crtn.asm: New file.
75 * config/spu/float_unsdidf.c: New file.
76 * config/spu/float_unssidf.c: New file.
77 * config/spu/predicates.md: New file.
78 * config/spu/spu-builtins.def: New file.
79 * config/spu/spu-builtins.h: New file.
80 * config/spu/spu-builtins.md: New file.
81 * config/spu/spu-c.c: New file.
82 * config/spu/spu-elf.h: New file.
83 * config/spu/spu-modes.def: New file.
84 * config/spu/spu-protos.h: New file.
85 * config/spu/spu.c: New file.
86 * config/spu/spu.h: New file.
87 * config/spu/spu.md: New file.
88 * config/spu/spu.opt: New file.
89 * config/spu/spu_internals.h: New file.
90 * config/spu/spu_intrinsics.h: New file.
91 * config/spu/spu_mfcio.h: New file.
92 * config/spu/t-spu-elf: New file.
93 * config/spu/vec_types.h: New file.
94 * config/spu/vmx2spu.h: New file.
95 * doc/contrib.texi: Document SPU contributor.
96 * doc/extend.texi: Document SPU extensions.
97 * doc/invoke.texi: Document SPU options.
98 * doc/md.texi: Document SPU constraints.
100 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
102 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
104 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
106 (flow_loop_dump): Do not dump loop level.
107 (flow_loops_find): Do not call flow_loops_level_compute.
108 * cfgloop.h (struct loop): Remove level field.
110 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
112 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
113 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
114 Use vector of edges instead of array.
115 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
116 estimate_numbers_of_iterations_loop): Ditto.
117 * predict.c (predict_loops): Ditto.
118 * loop-unroll.c (analyze_insns_in_loop): Ditto.
119 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
121 * basic-block.h: Declare heap allocation for edge vectors.
122 * tree-outof-ssa.c: Ditto.
123 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
124 * cfgloop.h (get_loop_exit_edges): Declaration changed.
126 2006-11-20 Zack Weinberg <zackw@panix.com>
128 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
129 Add another out parameter, "skip".
130 (set_gc_used_type): Adjust calls to process_gc_options. If a field
131 is tagged "skip", do not mark its type used.
133 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
136 * tree-sra.c (single_scalar_field_in_record_p): New function.
137 (decide_block_copy): Use it.
139 2006-11-20 David Daney <ddaney@avtrex.com>
141 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
142 PC to point to following instruction.
144 2006-11-20 Anatoly Sokolov <aesok@post.ru>
148 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
150 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
152 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
154 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
155 Add sh/superh.h to tm_file.
157 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
158 Mark Mitchell <mark@codesourcery.com>
160 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
162 (cpp_relocated): New function.
163 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
165 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
166 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
167 replace configured prefix with gcc_exec_prefix.
169 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
171 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
172 bfin_legitimate_constant_p.
173 * config/bfin/bfin.md (movsi expander): Check return value of
175 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
176 (expand_move): Adjust prototype.
177 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
178 invalid constants specially.
179 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
181 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
183 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
184 sibcall_value_symbol): Allow these patterns if
185 TARGET_LEAF_ID_SHARED_LIBRARY.
186 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
187 (override_options): Turn on id shared library flags if -msep-data,
188 but disallow the combination of these options on the command line.
189 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
190 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
191 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
193 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
194 * doc/invoke.texi (Blackfin Options): Document new switches.
196 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
197 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
199 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
200 inflate costs for addresses with an out-of-bounds address.
202 2006-11-19 Andrew Pinski <pinskia@gmail.com>
205 * fwprop.c (loops): Remove.
206 (forward_propagate_into): Use current_loops instead of
208 (fwprop_init): Call loop_optimizer_init instead of
210 (fwprop_done): Call loop_optimizer_finalize instead of
212 (fwprop): Use current_loops instead of loops.
214 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
217 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
219 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
222 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
223 larger than BITS_PER_WORD.
225 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
229 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
230 to MAX_FIXED_MODE_SIZE.
232 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
234 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
235 (fold_builtin_fmin_fmax): New.
236 (fold_builtin_1): Use it.
238 * fold-const.c (fold_strip_sign_ops): Handle copysign.
240 2006-11-18 Richard Guenther <rguenther@suse.de>
242 * config/i386/i386.c (ix86_builtins): New array for ix86
243 builtin function decls.
244 (def_builtin): New function.
245 (def_builtin_const): Likewise.
246 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
248 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
250 * doc/invoke.texi (core2): Add item.
252 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
254 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
255 (TARGET_CPU_DEFAULT_generic): Change value.
256 (TARGET_CPU_DEFAULT_NAMES): Add core2.
257 (processor_type): Add new constant PROCESSOR_CORE2.
259 * config/i386/i386.md (cpu): Add core2.
261 * config/i386/i386.c (core2_cost): New initialized variable.
262 (m_CORE2): New macro.
263 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
264 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
265 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
266 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
267 x86_partial_reg_dependency, x86_memory_mismatch_stall,
268 x86_accumulate_outgoing_args, x86_prologue_using_move,
269 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
270 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
271 x86_use_incdec, x86_four_jump_limit, x86_schedule,
272 x86_pad_returns): Add m_CORE2.
273 (override_options): Add entries for Core2.
274 (ix86_issue_rate): Add case for Core2.
276 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
278 * doc/invoke.texi: Fix mno-isel typo.
280 2006-11-18 Joseph Myers <joseph@codesourcery.com>
282 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
283 easy vector constant loads.
285 2006-11-18 Joseph Myers <joseph@codesourcery.com>
287 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
288 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
289 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
290 * config/rs6000/sync.md (lwsync): Emit plain sync if
293 2006-11-17 DJ Delorie <dj@redhat.com>
295 * reload1.c (reloads_unique_chain): New.
296 (reloads_conflict): Call it.
298 2006-11-17 Bob Wilson <bob.wilson@acm.org>
300 * config/xtensa/predicates.md (addsubx_operand): New.
301 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
302 (xtensa_emit_bit_branch): New.
303 (xtensa_emit_movcc): New.
304 * config/xtensa/xtensa.md (any_minmax): New code macro.
305 (minmax): New code attribute.
306 (any_cond, any_scc, any_scc_sf): New code macros.
307 (*addx2, *addx4, *addx8): Delete.
309 (*subx2, *subx4, *subx8): Delete.
311 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
312 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
313 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
314 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
315 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
316 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
317 (movsfcc_internal0, movsfcc_internal1): Likewise.
318 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
319 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
320 (xtensa_emit_bit_branch): New.
321 (xtensa_emit_movcc): New.
322 (function_arg_boundary): Add missing prototype.
324 2006-11-17 Bob Wilson <bob.wilson@acm.org>
326 * config/xtensa/xtensa.md (tstsi): Delete
328 2006-11-17 Bob Wilson <bob.wilson@acm.org>
330 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
332 2006-11-17 Bob Wilson <bob.wilson@acm.org>
334 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
336 2006-11-17 Bob Wilson <bob.wilson@acm.org>
338 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
340 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
342 * tree-vrp.c (execute_vrp): Do not update current_loops.
343 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
344 * doc/loop.texi: Remove documentation for cancelled functions.
345 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
346 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
348 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
349 (remove_path): Ensure that in delete_basic_blocks, the loops
351 (add_loop): Work on valid loop structures.
352 (loopify): Modify call of add_loop.
353 (mfb_update_loops): Removed.
354 (create_preheader): Do not update loops explicitly.
355 (force_single_succ_latches, loop_version): Do not use
356 loop_split_edge_with.
357 (loop_split_edge_with): Removed.
358 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
359 Do not use bsi_insert_on_edge_immediate_loop.
360 (split_loop_exit_edge, tree_unroll_loop): Do not use
361 loop_split_edge_with.
362 (bsi_insert_on_edge_immediate_loop): Removed.
363 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
364 use loop_split_edge_with.
365 * cfghooks.c: Include cfgloop.h.
366 (verify_flow_info): Verify that loop_father is filled iff current_loops
368 (redirect_edge_and_branch_force, split_block, delete_basic_block,
369 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
371 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
373 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
374 loop_split_edge_with.
375 (sms_schedule): Use current_loops.
376 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
377 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
379 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
380 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
381 * ifcvt.c (if_convert): Ditto.
382 * predict.c (predict_loops): Do not clear current_loops.
383 (tree_estimate_probability): Use current_loops.
384 (propagate_freq): Receive head of the region to propagate instead of
386 (estimate_loops_at_level): Do not use shared to_visit bitmap.
387 (estimate_loops): New function. Handle case current_loops == NULL.
388 (estimate_bb_frequencies): Do not allocate tovisit. Use
390 * tree-ssa-loop.c (current_loops): Removed.
391 (tree_loop_optimizer_init): Do not return loops.
392 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
393 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
394 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
395 Do not update loops explicitly.
396 * function.h (struct function): Add x_current_loops field.
397 (current_loops): New macro.
398 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
399 * loop-unroll.c (split_edge_and_insert): New function.
400 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
401 use loop_split_edge_with.
402 * loop-doloop.c (add_test, doloop_modify): Ditto.
403 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
404 * cfglayout.c (copy_bbs): Do not update loops explicitly.
405 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
406 * tree-vect-transform.c (vect_transform_loop): Do not update loops
408 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
409 (flow_loops_free): Do not free dfs_order and rc_order.
410 (flow_loops_find): Do not set dfs_order and rc_order in loops
411 structure. Do not call loops and flow info verification.
412 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
413 already belongs to some loop.
414 * cfgloop.h (struct loops): Remove struct cfg.
415 (current_loops, loop_split_edge_with): Declaration removed.
416 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
417 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
419 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
420 * basic-block.h (split_edge_and_insert): Declare.
421 * tree-cfg.c (remove_bb): Do not update loops explicitly.
423 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
425 PR tree-optimization/29801
426 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
427 (get_default_value): Use get_symbol_constant_value.
428 (set_lattice_value): ICE when the value of the constant is
430 (visit_assignment): Ignore VDEFs of read-only variables.
432 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
434 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
436 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
437 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
439 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
441 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
442 select subvars of var.
444 2006-11-17 Jakub Jelinek <jakub@redhat.com>
447 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
448 optimize if DEF doesn't have integral type.
450 2006-11-16 Mike Stump <mrs@apple.com>
452 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
453 pre-darwin9 system, unless the user asks for it directly.
454 (PREFERRED_DEBUGGING_TYPE): Likewise.
455 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
456 * config.gcc: Add suppport for darwin9.h.
457 * config/darwin9.h: Add.
458 * doc/install.texi (Specific): Clarify darwin documentation.
460 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
462 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
465 2006-11-16 Mike Stump <mrs@apple.com>
467 * Makefile.in (targhooks.o): Add $(OPTABS_H).
469 2006-11-16 Dirk Mueller <dmueller@suse.de>
471 * tree-vrp.c (get_value_range): Use XCNEW instead
473 (insert_range_assertions): Use XCNEWVEC instead
474 of XNEWVEC and memset.
475 (vrp_initialize): Same.
476 (vrp_finalize): Same.
477 * tree-ssa-ccp.c (ccp_initialize): Same.
478 * predict.c (tree_bb_level_predictions): Same.
479 * calls.c (expand_call): Same.
480 * tree-ssa-copy.c (init_copy_prop): Same.
481 (fini_copy_prop): Same.
482 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
483 of GGC_NEW and memset.
485 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
488 * gimplify.c (gimplify_expr): Only force a load for references to
489 non-BLKmode volatile values.
490 * doc/implement-c.texi (Qualifiers implementation): Document the
491 interpretation of what a volatile access is.
492 * doc/extend.texi (C++ Extensions): Rework same documentation.
494 2006-11-16 Joseph Myers <joseph@codesourcery.com>
496 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
499 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
501 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
503 (arm_neg_abssi2): Renamed from neg_abssi2.
504 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
506 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
508 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
509 number of arguments passed to local functions in SSE registers is 3.
511 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
512 number of arguments passed in SSE registers to 3.
514 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
517 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
519 (get_last_bb_insn): ... new global function.
520 (basic_block.h): Declare it.
521 * haifa-sched.c (create_recovery_block): Use it.
523 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
526 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
528 2006-11-15 Paul Brook <paul@codesourcery.com>
530 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
531 _Unwind_GetTextRelBase): Move from here ...
532 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
533 _Unwind_GetTextRelBase): ... To here.
535 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
537 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
538 addresses we generate for testing are aligned.
540 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
543 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
544 to what is the const decl is a place holder for.
546 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
548 * config/i386/i386.opt: New target option -mx87regparm.
550 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
551 and float_in_x87 variables. mmx_words, sse_words: Remove.
552 (X87_REGPARM_MAX): Define.
554 * config/i386/i386.c (override_options): Error out for
555 -mx87regparm but no 80387 support.
556 (ix86_attribute_table): Add x87regparm.
557 (ix86_handle_cconv_attribute): Update comments for x87regparm.
558 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
559 (ix86_function_x87regparm): New function.
560 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
562 (init_cumulative_args): Initialize x87_nregs and float_in_x87
564 (function_arg_advance): Process x87_nregs and x87_regno when
565 floating point argument is to be passed in 80387 register.
566 (function_arg): Pass XFmode arguments in 80387 registers for local
567 functions. Pass SFmode and DFmode arguments to local functions
568 in 80387 registers when flag_unsafe_math_optimizations is set.
570 * reg-stack.c (convert_regs_entry): Disable NaN load for
571 stack registers that are used for argument passing.
573 * doc/extend.texi: Document x87regparm function attribute.
574 * doc/invoke.texi: Document -mx87regparm.
576 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
578 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
579 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
580 arg MODE; all callers changed. Use it to determine validity per
581 machine mode instead of using Pmode for all memory references.
582 (get_address_cost): Likewise add and use new arg MEM_MODE.
584 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
585 J"orn Rennecke <joern.rennecke@st.com>
587 * combine.c (likely_spilled_retval_1): Fix masking operation.
588 (likely_spilled_retval_p): Use proper pattern for call to
589 likely_spilled_retval_1.
591 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
593 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
595 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
596 that tests for CONSTANT_POOL_ADDRESS_P.
598 2006-11-15 Jakub Jelinek <jakub@redhat.com>
600 PR tree-optimization/29581
601 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
602 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
603 type is different between Y and USE, create a temporary
604 variable, initialize it at the beginning of the body bb
605 and use it as replacement instead of Y.
607 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
610 * gimplify.c (fold_indirect_ref_rhs): Use
611 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
613 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
615 * expmed.c (emit_store_flag_1): New function.
616 (emit_store_flag): Call it. If we can't find a suitable scc insn,
618 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
619 Use do_compare_rtx_and_jump.
620 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
621 * arm.md (cstoresi4): New define_expand.
622 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
623 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
624 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
626 2006-11-14 Caroline Tice <ctice@apple.com>
628 * dwarf2out.c (debug_pubtypes_section): New static global variable.
629 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
631 (pubname_table): Redefine as a vector.
632 (pubtype_table): New static global variable, defined as a vector.
633 (pubname_table_allocated): Remove static global variable.
634 (pubname_table_in_use): Remove static global variable.
635 (PUBNAME_TABLE_INCREMENT): Remove constant.
636 (size_of_pubnames): Add parameter to deal with either pubnames or
637 pubtypes, and change code to deal with table being a vector.
638 (add_pubname): Change to deal with table being a vector.
639 (add_pubtype): New function.
640 (output_pubnames): Add parameter to deal with either pubnames or
641 pubtypes, and change code to deal with table being a vector.
642 (gen_array_type_die): Add call to add_pubtype.
643 (gen_enumeration_type_die): Add call to add_pubtype.
644 (gen_struct_or_union_type_die): Add call to add_pubtype.
645 (gen_subroutine_type_die): Add call to add_pubtype.
646 (gen_typedef_die): Add call to add_pubtype.
647 (dwarf2out_init): Add code to initialize pubname_table and
648 pubtype_table vectors; also initialize debug_pubtypes_section.
649 (prune_unused_types): Change to deal with pubnames being a vector.
650 (dwarf2out_finish): Change to deal with pubnames being a vector; add
651 pubnames table to call to output_pubnames; Add code to output pubtypes
652 table if DEBUG_PUBTYPES_SECTION is defined.
653 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
655 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
657 2006-11-14 Joseph Myers <joseph@codesourcery.com>
659 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
660 iwmmxt_nregs if TARGET_IWMMXT_ABI.
661 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
662 movv2si_internal): Support moves between core registers.
664 2006-11-14 Eric Christopher <echristo@apple.com>
666 * configure: Regenerate with autoconf 2.59.
668 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
670 Fix PR tree-optimization/27755
672 * tree-ssa-pre.c: Update comments.
673 (bb_bitmap_sets): Add pa_in and deferred member.
674 (BB_DEFERRED): New macro.
675 (maximal_set): New variable.
676 (pre_stats): Add pa_insert member.
677 (bitmap_set_and): Short circuit orig == dest.
678 (bitmap_set_subtract_values): New function.
679 (bitmap_set_contains_expr): Ditto.
680 (translate_vuses_through_block): Add phiblock argument.
681 (dependent_clean): New function.
682 (compute_antic_aux): Update for maximal_set changes.
683 (compute_partial_antic_aux): New function.
684 (compute_antic): Handle partial anticipation.
685 (do_partial_partial_insertion): New function.
686 (insert_aux): Handle partial anticipation.
687 (add_to_sets): Add to maximal set.
688 (compute_avail): Ditto.
689 (init_pre): Initialize maximal_set.
690 (execute_pre): Do partial anticipation if -O3+.
692 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
694 PR rtl-optimization/29798
696 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
697 TARGET_INSN before any other check.
698 (fwprop_init): Always calculate dominators.
699 (fwprop_done): Always free them.
701 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
703 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
706 2006-11-13 DJ Delorie <dj@redhat.com>
708 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
709 temporary for intermediates.
711 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
713 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
714 (sh_optimize_target_register_callee_saved): #if 0 the code
715 using NOTE_INSN_LOOP_{BEG,END}.
717 2006-11-13 Roger Sayle <roger@eyesopen.com>
719 * fold-const.c (optimize_bit_field_compare): Recursively call
720 fold when simplifying non-constant comparisons between bit-fields.
722 2006-11-13 Jakub Jelinek <jakub@redhat.com>
724 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
726 * configure: Rebuilt.
728 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
730 * config/rs6000/cell.md: New file.
731 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
733 (ppccell_cost): New cost matrix.
734 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
735 (rs6000_override_options): Set rs6000_always_hint to false
736 for cell. Also align functions/lables/loops to 8byte
737 for the Cell. Use PROCESSOR_CELL.
738 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
740 (rs6000_variable_issue): If the insn is a nonpipelined instruction
741 on the Cell, return 0.
742 (rs6000_adjust_cost): Add Cell cost adjustments.
743 (is_microcoded_insn): Return true for Cell microcoded
745 (is_nonpipeline_insn): New function.
746 (rs6000_issue_rate): Add PROCESSOR_CELL.
747 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
749 (rs6000_use_sched_lookahead_guard): New function.
750 (rs6000_sched_reorder): Reorder the ready list, if the second
751 to last ready insn is a nonepipeline insn on the Cell.
752 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
753 (ASM_CPU_SPEC): Add Cell.
754 * config/rs6000/rs6000.md (cpu): Add Cell.
755 (cell_micro): New Attr.
758 2006-11-13 Jakub Jelinek <jakub@redhat.com>
760 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
762 * configure: Rebuilt.
764 2006-11-13 Richard Guenther <rguenther@suse.de>
766 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
768 (ix86_expand_lfloorceil): Likewise.
769 (ix86_expand_rint): Likewise.
770 (ix86_expand_floorceildf_32): Likewise.
771 (ix86_expand_floorceil): Likewise.
772 (ix86_expand_rounddf_32): Likewise.
773 (ix86_expand_truncdf_32): Likewise.
774 (ix86_expand_round): Likewise.
776 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
777 Mark Mitchell <mark@codesourcery.com>
779 * gcc.c: Organize search path variables into $prefix relative,
780 and well-known native. Add comments.
781 (add_sysrooted_prefix): Add comment.
782 (process_command): If !gcc_exec_prefix add $prefix based paths.
783 If *cross_compile == '0', add native well-known paths.
784 Assert tooldir_base_prefix is always relative.
785 (main): If print_search_dirs, and if gcc_exec_prefix is set,
786 use this value for 'install:' path.
787 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
789 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
791 * config/i386/i386.c: Fix a typo in comment.
793 2006-11-13 Michael Matz <matz@suse.de>
795 * genemit.c (gen_expand): Allocate enough memory.
797 2006-11-13 Joseph Myers <joseph@codesourcery.com>
799 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
800 __GXX_TYPEINFO_EQUALITY_INLINE but not
801 __GXX_MERGED_TYPEINFO_NAMES.
802 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
803 __GXX_MERGED_TYPEINFO_NAMES.
804 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
805 __GXX_TYPEINFO_EQUALITY_INLINE.
807 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
808 Zdenek Dvorak <dvorakz@suse.cz>
810 PR tree-optimization/29680
811 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
814 2006-11-12 Jason Merrill <jason@redhat.com>
815 Andrew Pinski <pinskia@physics.uc.edu>
818 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
820 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
822 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
823 * tree.c (build_vector): Handle non-_CST elements.
825 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
827 * genemit.c (gen_insn): Call gen_exp with a non-null used
828 when handling multiple insns.
829 (gen_expand): Likewise.
830 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
831 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
832 (movsi_const_16bit+1): Copy operands[1].
833 (call_pcrel): Copy the call_site pattern.
834 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
836 2006-11-12 Roger Sayle <roger@eyesopen.com>
838 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
839 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
840 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
841 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
843 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
845 Fix PR tree-optimization/29587
846 * tree-ssa-structalias.c (process_constraint): Don't
847 mark address taken due only to escaped vars constraint.
849 2006-11-12 Michael Matz <matz@suse.de>
850 Roger Sayle <roger@eyesopen.com>
852 PR rtl-optimization/29797
853 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
854 BITS_BIG_ENDIAN targets.
856 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
858 * builtins.c (fold_builtin_cosh): New.
859 (fold_builtin_1): Use it.
860 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
861 trunc to the list of "odd" functions. Also add llrint, lrint,
862 rint and nearbyint when flag_rounding_math is false.
864 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
866 * tree-flow.h (name_mappings_registered_p): Declare.
867 * tree-into-ssa.c (name_mappings_registered_p): New function.
868 * tree-cfg.c (tree_can_merge_blocks_p): Check
869 name_mappings_registered_p instead of need_ssa_update_p.
871 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
873 * tree-ssa-loop.c (tree_vectorize): Return the result of
875 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
877 * tree-vectorizer.h (vectorize_loops): Declaration removed.
878 * tree-flow.h (vectorize_loops): Declaration changed.
880 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
882 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
884 (issue_prefetch_ref): Move assignment to write_p out of loop.
885 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
886 SIMULTANEOUS_PREFETCHES into account.
887 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
888 * lambda-code.c (lcm): Renamed to ...
889 (least_common_multiple): ... and exported.
890 * tree-flow.h (least_common_multiple): Declare.
892 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
894 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
895 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
896 ud-chains. Handle AND_EXPR.
897 (record_estimate): Record whether the estimate is realistic
898 and whether it is derived from a loop exit.
899 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
900 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
902 (compute_estimated_nb_iterations): Take only realistic bounds into
903 account. Set estimate_state. Use double_ints.
904 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
905 and infer_loop_bounds_from_signedness. Do not consider basic blocks
906 that do not have to be always executed.
907 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
908 to determine whether to call infer_loop_bounds_from_undefined
909 and compute_estimated_nb_iterations.
910 (n_of_executions_at_most): Use double_ints.
911 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
912 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
913 * double-int.c (double_int_to_tree): Improve comment.
914 (double_int_fits_to_tree_p): New function.
915 * double-int.h (double_int_fits_to_tree_p): Declare.
916 * tree-data-ref.c: Include langhooks.h.
917 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
918 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
919 (analyze_array): Do not pass estimate_only argument to
920 analyze_array_indexes.
921 (get_number_of_iters_for_loop): Build tree from the stored double_int
923 (get_references_in_stmt, find_data_references_in_stmt): New functions.
924 (find_data_references_in_loop): Use find_data_references_in_stmt.
925 * tree-data-ref.h (struct data_ref_loc_d): New.
926 (get_references_in_stmt): Declare.
927 (estimate_iters_using_array): Declaration removed.
928 * cfgloop.h (struct nb_iter_bound): Change type of bound to
929 double_int. Improve comments. Add is_exit and realistic
931 (struct loop): Changed type of estimated_nb_iterations to double_int.
932 Added estimate_state field.
933 (record_estimate): Declaration removed.
935 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
937 * params.c (set_param_value): Initialize the "set" field.
938 * params.h (struct param_info): Add "set" field.
939 (PARAM_SET_P): New macro.
940 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
941 L1_CACHE_LINE_SIZE): New macros.
942 * toplev.c (DEFPARAM): Initialize the "set" field.
943 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
944 SIMULTANEOUS_PREFETCHES): Removed.
945 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
946 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
947 * config/sparc/sparc.c: Include params.h.
948 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
949 L1_CACHE_LINE_SIZE parameters.
950 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
952 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
954 * config/i386/i386.c: Include params.h.
955 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
956 (override_options): Set SIMULTANEOUS_PREFETCHES and
957 L1_CACHE_LINE_SIZE parameters.
958 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
959 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
960 L1_CACHE_LINE_SIZE parameters.
961 * config/ia64/ia64.c (ia64_optimization_options): Set
962 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
963 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
965 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
966 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
967 * doc/invoke.texi: Document new params.
969 2006-11-12 Roger Sayle <roger@eyesopen.com>
971 PR tree-optimization/13827
972 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
975 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
977 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
978 update_single_exit_for_duplicated_loops): New functions.
979 (duplicate_loop_to_header_edge): Use
980 update_single_exit_for_duplicated_loops.
981 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
982 functions only with ENABLE_CHECKING.
984 2006-11-12 Andreas Schwab <schwab@suse.de>
986 * except.c (sjlj_emit_function_enter): Remove unused variable.
988 2006-11-11 Roger Sayle <roger@eyesopen.com>
990 * fold-const.c (int_binop_types_match_p): New function.
991 (size_binop): Relax constraint that both arguments must both have
992 exactly the same sizetype type. Instead use int_binop_types_match_p.
993 (size_diffop): Likewise.
995 (make_range): Use build_int_cst instead of fold_convert.
996 (fold_cond_expr_with_comparison): Use build_int_cst to construct
997 integer constants of the correct type.
998 (fold_div_compare): Likewise.
999 (fold_single_bit_test): Likewise.
1000 (fold_binary): Likewise.
1001 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1002 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1004 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1007 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1008 non null value if the struct memory access is in the 0th
1011 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1014 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1015 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1018 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1019 instead of builtin_define for bfin and BFIN.
1021 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1023 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1026 2006-11-11 Jan Hubicka <jh@suse.cz>
1028 * extended.texi (__builtin_expect): We no longer require second argument
1030 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1031 * builtins.c (expand_builtin_expect): Simplify.
1032 (expand_builtin_expect_jump): Kill.
1033 * final.c (final_scan_insn): Do not skip the removed notes.
1034 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1035 EXPECTED_VALUE): Remove.
1036 * dojump.c (do_jump): Do not care about __builtin_expect.
1037 * predict.c (expected_value_to_br_prob): Kill.
1038 * function.c (expand_function_end): Do not expand
1039 NOTE_INSN_REPEATED_LINE_NUMBER.
1040 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1041 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1042 * cfgexpand.c (add_reg_br_prob_note): Export.
1043 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1044 expected_value_to_br_prob.
1045 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1046 * rtl.h (add_reg_br_prob_note): Declare.
1048 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1050 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1052 2006-11-11 Jan Hubicka <jh@suse.cz>
1054 * predict.c (predict_loops): Kill RTL variant.
1056 2006-11-11 Jan Hubicka <jh@suse.cz>
1058 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1059 * modulo-sched.c (find_line_note): Remove.
1060 (loop_canon_p): Do not worry about line number notes.
1061 (sms_schedule): Likewise.
1062 * cse.c (cse_main): Likewise.
1063 * regmove.c (fixup_match_1): Likewise
1064 * function.c (emit_return_info_block): Likewise.
1065 (expand_function_end): Likewise.
1066 (thread_prologue_an_epilogue_insns): Likewise.
1067 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1069 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1070 emit_note_copy_after): Kill.
1071 (emit_note_copy): Do not worry about line numbers.
1072 * jump.c (purge_line_number_notes): Kill.
1073 (pass_purge_lineno_notes): Kill.
1074 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1076 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1077 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1078 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1079 * tree-pass.h (pass_purge_lineno_notes): Kill.
1080 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1081 rm_redundant_line_notes.
1082 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1083 rm_redundant_line_notes.
1084 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1085 * haifa-sched.c: Update comment about handling notes.
1086 (unlink_line_notes): Kill.
1087 (rm_line_notes): Kill.
1088 (save_line_notes): Simplify.
1089 (rm_redundant_line_notes): Kill.
1091 2006-11-11 Richard Guenther <rguenther@suse.de>
1093 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1094 Remove unused tree codes.
1095 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1096 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1097 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1098 * tree.c (stabilize_reference): Likewise.
1099 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1100 fold_unary): Likewise.
1101 * tree-gimple.c (is_gimple_cast): Likewise.
1102 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1103 * expr.c (expand_expr_real_1): Likewise.
1104 * tree-eh.c (tree_could_trap_p): Likewise.
1105 * gimplify.c (gimplify_expr): Likewise.
1106 * tree-inline.c (estimate_num_insns_1): Likewise.
1107 * tree-cfg.c (verify_expr): Likewise.
1109 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1111 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1112 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1113 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1115 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1118 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1119 constraints accept neither registers or memories.
1121 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1123 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1124 (NO_PROFILE_COUNTERS): Define as 1.
1126 2006-11-10 Roger Sayle <roger@eyesopen.com>
1128 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1129 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1131 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1133 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1135 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1137 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1138 (fold_builtin_hypot): Likewise.
1139 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1141 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1143 2006-11-10 Roger Sayle <roger@eyesopen.com>
1145 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1146 when attempting to build INTEGER_CSTs of non-integral types.
1147 * expmed.c (make_tree): Use the correct type, i.e. the inner
1148 type, when constructing the individual elements of a CONST_VECTOR.
1150 2006-11-10 Jan Hubicka <jh@suse.cz>
1152 * cse.c (cse_process_notes): Copy the propagated value.
1153 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1155 * gcse.c (try_replace_reg): Copy the replacement.
1156 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1157 (assign_386_stack_local): Always return copied memory expression
1158 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1161 2006-11-10 Jan Hubicka <jh@suse.cz>
1163 * final.c (final): Walk from first instruction.
1164 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1166 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1169 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1171 (umulv8hi3_highpart): Ditto.
1172 (vec_widen_smult_hi_v8hi): New expander.
1173 (vec_widen_smult_lo_v8hi): Ditto.
1175 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1178 * builtins.c (do_mpfr_arg3): New.
1179 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1181 2006-11-09 Eric Christopher <echristo@apple.com>
1186 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1187 * config.gcc (powerpc64-*-darwin*): New target.
1188 * config.host: Ditto.
1189 * config/rs6000/darwin64.h: New file.
1190 * config/rs6000/x-darwin64: Ditto.
1191 * config/rs6000/host-ppc64-darwin.c: Ditto.
1193 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1195 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1196 routines for integer division.
1198 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1200 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1202 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1205 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1207 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1209 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1210 simplify_subreg with BLKmode outer mode.
1212 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1214 * doc/invoke.texi: Minor formatting fixes in option lists.
1216 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1218 PR tree-optimization/29738
1219 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1220 (ccp_lattice_t): Remove UNKNOWN_VAL.
1221 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1222 Do not handle UNKNOWN_VAL.
1223 (get_default_value): Set initial value of virtual operands to
1225 (get_value): Always use get_default_value on uninitialized
1227 (set_value_varying, surely_varying_stmt_p): New functions.
1228 (set_lattice_value): Do not pass argument to get_value.
1229 Do not handle UNKNOWN_VAL.
1230 (likely_value): Follow the semantics described in the comment.
1231 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1232 phi nodes DONT_SIMULATE_AGAIN.
1233 (ccp_fold): Do not pass argument to get_value.
1234 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1237 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1239 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1240 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1242 2006-11-08 Roger Sayle <roger@eyesopen.com>
1244 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1245 test for inclusion rather than as a test for exclusion.
1246 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1247 the condition after calling fold_binary.
1248 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1249 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1250 * builtins.c (fold_builtin_isascii): Likewise.
1251 (fold_builtin_isdigit): Likewise.
1253 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1255 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1256 * configure: Regenerate.
1258 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1260 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1261 enum argument instead of bool.
1262 (vect_analyze_operations): Call vectorizable_type_promotion.
1263 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1264 stmt_vec_info_type value.
1265 (supportable_widening_operation, vectorizable_type_promotion): New
1266 function declarations.
1267 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1268 (vectorizable_type_promotion): New function.
1269 (vect_transform_stmt): Call vectorizable_type_promotion.
1270 * tree-vect-analyze.c (supportable_widening_operation): New function.
1271 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1273 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1276 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1277 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1278 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1280 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1281 * expr.c (expand_expr_real_1): Likewise.
1282 * optabs.c (optab_for_tree_code): Likewise.
1283 (init_optabs): Initialize new optabs.
1284 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1285 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1286 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1287 vec_unpacku_lo_optab): Initialize new optabs.
1288 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1289 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1290 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1292 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1293 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1294 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1295 (vec_unpacku_lo_optab): New optabs.
1296 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1297 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1298 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1299 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1300 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1301 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1303 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1304 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1305 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1306 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1307 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1308 implement the unsigned unpacking patterns.
1309 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1310 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1311 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1312 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1313 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1314 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1315 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1316 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1317 multiplication patterns.
1319 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1320 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1321 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1322 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1323 (rs6000_builtin_mul_widen_odd): New.
1324 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1325 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1326 * tree-vectorizer.h (enum vect_relevant): New enum type.
1327 (_stmt_vec_info): Field relevant chaned from bool to enum
1329 (STMT_VINFO_RELEVANT_P): Updated.
1330 (STMT_VINFO_RELEVANT): New.
1331 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1332 instead of STMT_VINFO_RELEVANT_P.
1333 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1334 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1335 and boolean variable with enum vect_relevant.
1336 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1337 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1338 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1340 2006-11-08 Richard Henderson <rth@redhat.com>
1342 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1343 vec_widen_umult_lo_v8hi): New.
1344 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1345 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1347 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1348 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1349 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1350 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1351 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1352 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1353 vec_unpacks_lo_v4si): New.
1355 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1357 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1358 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1359 (vect_analyze_operations): Call vectorizable_type_demotion.
1360 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1361 stmt_vec_info_type value.
1362 (vectorizable_type_demotion): New function declaration.
1363 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1366 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1367 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1369 * tree-iniline.c (estimate_num_insns_1): Likewise.
1370 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1371 * optabs.c (optab_for_tree_code): Likewise.
1373 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1374 compared against the predicate of the result is not 'mode' (the input
1375 to the function) but a mode with half the size of 'mode'.
1376 (init_optab): Initialize new optabs.
1377 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1379 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1381 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1382 (vec_pack_usat_optab): Initialize new optabs.
1383 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1384 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1386 2006-11-08 Richard Henderson <rth@redehat.com>
1388 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1389 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1390 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1391 (vec_interleave_highv4si, vec_interleave_lowv4si):
1392 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1394 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1396 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1398 (vect_transform_stmt): Removed redundant code.
1400 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1402 * tree-vect-transform.c (vectorizable_operation): Support multiple
1405 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1407 * tree-vect-transform.c (vect_align_data_ref): Removed.
1408 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1409 Updated function documentation. Return the increment stmt in ptr_incr.
1410 (bump_vector_ptr): New function.
1411 (vect_get_vec_def_for_stmt_copy): New function.
1412 (vect_finish_stmt_generation): Create a stmt_info to newly created
1414 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1416 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1417 VF is greater than the number of elements that can fit in one vector
1419 (vectorizable_operation, vectorizable_condition): Likewise.
1420 (vectorizable_store, vectorizable_load): Support the case that the VF
1421 is greater than the number of elements that can fit in one vector word.
1422 (vect_transform_loop): Don't fail in case of multiple data-types.
1423 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1424 in case of multiple data-types; the smallest type determines the VF.
1425 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1426 if they are of different sizes.
1427 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1428 number of elements rather than number of bytes.
1429 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1430 (vect_can_advance_ivs_p): Fix a dump printout
1432 2006-11-07 Eric Christopher <echristo@apple.com>
1434 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1435 (__bswapsi2): Ditto.
1436 * libgcc2.h: Remove transformation of bswap routines.
1437 * config/i386/i386.md (bswapsi2): New.
1440 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1442 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1443 (handle_gnu_inline_attribute): New function.
1444 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1445 (merge_decls, start_decl, start_function): Likewise.
1446 * doc/extend.texi: Document gnu_inline attribute.
1448 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1451 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1452 _fixunstfdi, and _floatditf
1454 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1456 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1458 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1459 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1460 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1461 which start in an odd register.
1463 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1465 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1467 2006-11-07 Josh Conner <jconner@apple.com>
1469 * doc/invoke.texi (fstrict-aliasing): Move implementation
1471 * doc/tree-ssa.texi (Alias analysis): ...here.
1473 2006-11-07 Richard Guenther <rguenther@suse.de>
1475 PR tree-optimization/29610
1476 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1477 of tree_purge_dead_eh_edges as it may free dominators.
1479 * g++.dg/other/pr29610.C: New testcase.
1481 2006-11-07 David Ung <davidu@mips.com>
1483 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1484 costs when optimizing for size.
1485 (override_options): Use mips_rtx_cost_optimize_size table for cost
1488 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1490 * gcc.c (process_command): Treat -b as normal switch if its argument
1493 2006-11-07 David Ung <davidu@mips.com>
1495 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1498 2006-11-06 Eric Christopher <echristo@apple.com>
1500 * config.gcc: Add x86_64-darwin host support.
1501 * config.host: Ditto.
1502 * config/i386/darwin64.h: New file.
1503 * config/i386/t-darwin64: Ditto.
1505 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1507 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1508 and output-exists-not.
1510 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1513 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1514 checking for overflow.
1516 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1518 * configure.ac: Fixed typo in case statement: :: changed to ;;
1520 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1522 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1523 count_leading_zeros, and count_trailing_zeros.
1524 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1525 (TARGET_FOLD_BUILTIN): Define.
1526 (TARGET_EXPAND_BUILTIN): Define.
1527 (xtensa_init_builtins): New.
1528 (xtensa_fold_builtin): New.
1529 (xtensa_expand_builtin): New.
1530 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1531 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1532 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1533 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1534 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1535 (any_extend): New code macro.
1536 (u, su): New code attributes.
1537 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1538 (nsau): Remove; replaced by clzsi2.
1539 (ffssi2): Use clzsi2.
1540 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1541 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1542 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1543 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1544 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1546 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1548 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1550 * config/arm/t-strongarm-elf: Likewise.
1551 * config/arm/t-pe: Likewise.
1552 * config/arm/t-arm-elf: Likewise.
1553 * config/arm/t-xscale-elf: Likewise.
1554 * config/arm/t-arm-coff: Likewise.
1555 * config/arm/t-xscale-coff: Likewise.
1556 * config/arm/t-wince-pe: Likewise.
1558 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1560 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1563 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1566 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1569 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1572 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1573 as a valid 80387 constant.
1574 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1575 * config/i386/i386.md (unnamed splitter): Split the load of
1576 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1579 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1581 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1582 from the soft-frame, argument and virtual registers.
1584 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1586 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1587 patterns for standard 80387 constants.
1589 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1590 Steven Bosscher <steven@gcc.gnu.org>
1592 * fwprop.c: New file.
1593 * Makefile.in: Add fwprop.o.
1594 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1595 * passes.c (init_optimization_passes): Schedule forward propagation.
1596 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1598 * timevar.def (TV_FWPROP): New.
1599 * common.opt (-fforward-propagate): New.
1600 * opts.c (decode_options): Enable forward propagation at -O2.
1601 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1602 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1603 canon_for_address, table_size): Remove.
1604 (new_basic_block, insert, remove_from_table): Remove references to
1606 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1607 simplification loop more straightforward by not calling fold_rtx
1609 (equiv_constant): Move here a small part of fold_rtx_subreg,
1610 do not call fold_rtx. Call avoid_constant_pool_reference
1612 * recog.h (canonicalize_change_group): New.
1614 * doc/invoke.texi (Optimization Options): Document fwprop.
1615 * doc/passes.texi (RTL passes): Document fwprop.
1617 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1619 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1620 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1621 (grokdeclarator): Likewise.
1623 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1625 * tree-dump.c (dump_enable_all): Rename local variable
1626 ir_type to avoid name conflicts.
1627 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1628 instead of using ir_type().
1629 * profile.c (tree_register_profile_hooks): Likewise.
1630 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1631 * basic-block.h (struct edge_def): Likewise.
1632 * config/arm/arm.c (legitimize_pic_address): Likewise.
1633 * coretypes.h (ir_type): New enum of all intermediate languages
1635 * cfghooks.c (ir_type): Rename to...
1636 (current_ir_type): ...this. Distinguish between cfgrtl and
1637 cfglayout mode when the current IR is RTL. Return enum ir_type.
1638 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1640 2006-11-03 Paul Brook <paul@codesourcery.com>
1642 * config/arm/arm.c (arm_file_start): New function.
1643 (TARGET_ASM_FILE_START): Define.
1644 (arm_default_cpu): New variable.
1645 (arm_override_options): Set arm_default_cpu.
1647 2006-11-03 David Ung <davidu@mips.com>
1649 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1650 PROCESSOR_24KC and PROCESSOR_24KF.
1651 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1652 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1653 (mips_rtx_cost_data): Add costs for the 24kc.
1654 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1655 * config/mips/24k.md: Remove references to 24k and replace with
1656 uses of 24kc/24kf in the appropriate reservations.
1657 * doc/invoke.texi (MIPS Options): Updated.
1659 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1661 * config/sh/crt1.asm: Fix #ifdef indent.
1663 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1664 Merged from STMicroelectronics sources:
1665 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1666 * config/sh/crt1.asm (vbr_600): Add missing #if.
1667 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1668 * sh.opt (mfused-madd): New option.
1669 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1670 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1671 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1672 Remove pointless handler at VBR+0.
1673 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1674 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1675 fr7. Make sure the timer handler is called with the correct FPU
1676 precision setting, according to the ABI.
1677 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1678 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1679 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1680 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1681 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1682 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1683 zero as second operand.
1684 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1685 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1686 Fixed some bugs related to negative values, in particular -0
1687 and overflow at -0x80000000.
1688 * config/sh/divcost-analysis: Added sh4-300 figures.
1689 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1690 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1691 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1692 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1693 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1694 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1696 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1698 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1699 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1700 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1701 mac_mem, mem_mac, dfp_mul, fp_cmp.
1702 (insn_class, dfp_comp, any_fp_comp): Update.
1703 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1704 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1705 (muldf3_i): Likewise.
1706 (movsi_i): Split rI08 alternative into two separate alternatives.
1708 (movsi_ie, movsi_i_lowpart): Likewise.
1709 (movqi_i): Split ri alternative into two separate alternatives.
1711 * sh1.md (sh1_load_store, sh1_fp): Update.
1712 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1713 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1714 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1715 (sh4a_fp_double_arith): Likewise.
1716 * sh4-300.md: New file.
1717 * sh.c (sh_handle_option): Handle m4-300* options.
1718 (sh_adjust_cost): Fix latency of auto-increments.
1719 Handle SH4-300 differently than other SH4s. Check for new insn types.
1720 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1721 been set by an option.
1722 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1723 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1724 (mbranch-cost=): Likewise.
1725 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1727 * sh.md (mulsf3): Remove special expansion code.
1728 (mulsf3_ie): Now a define_insn_and_split.
1729 (macsf3): Allow for TARGET_SH4.
1731 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1732 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1733 (expand_cbranchdi4): Likewise.
1734 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1735 CONST_DOUBLE if the outer code is COMPARE.
1736 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1737 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1738 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1739 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1740 Remove redundant fp_{zero,one}_operand checks.
1741 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1742 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1743 (expand_cbranchdi4): Likewise.
1744 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1745 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1747 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1749 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1752 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1754 * doc/invoke.texi: Fix mfp-trap-mode typo.
1756 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1758 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1759 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1760 file_end_indicate_exec_stack.
1761 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1763 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1764 for a non-executable stack.
1765 * crti.asm: Likewise.
1766 * crtn.asm: Likewise.
1767 * libunwind.S: Likewise.
1769 2006-11-02 Ben Elliston <bje@au.ibm.com>
1771 * tree-ssa.c (warn_uninit): Use expand_location variables for
1772 locus and declaration locus.
1774 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1777 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1778 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1779 cmp{eq,gt,gtu}{si,di}_media.
1780 (*cmpne0si_media): Remove.
1781 (*movsicc_umin): Adjust gen_cmp*_media call.
1782 (unordered): Change the mode of unordered and operands[1] to
1784 (seq): Adjust gen_cmp*_media calls. Make the mode of
1785 a temporary result of compare SImode if needed. If the mode
1786 of operands[0] is DImode, extend the temporary result to DImode.
1787 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1788 (sunorderd): Change the mode of match_operand and unorderd to
1790 (cmpeq{sf,df}_media): Remove.
1791 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1792 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1793 and compare operation to SImode.
1795 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1797 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1799 (sparc64-sun-solaris2*): Likewise.
1801 2006-11-02 Paul Brook <paul@codesourcery.com>
1803 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1804 from priority argument. Use different section for non-default
1806 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1808 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1811 * except.c (switch_to_exception_section): Do not cache the section
1812 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1813 and flag_function_sections is set.
1815 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1818 * builtins.c (do_mpfr_sincos): New.
1819 (fold_builtin_1): Use it to fold builtin sincos.
1821 2006-11-01 Roger Sayle <roger@eyesopen.com>
1823 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1824 it into -D_REENTRANT.
1826 2006-11-01 Roger Sayle <roger@eyesopen.com>
1828 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1829 whether the assembler supports taking the difference of symbols in
1830 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1831 * configure: Regenerate.
1832 * config.in: Regenerate.
1833 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1834 the assembler doesn't support taking the difference of symbols in
1835 different sections, i.e. we're using the native solaris assembler.
1837 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1838 Peter Bergner <bergner@vnet.ibm.com>
1840 * doc/invoke.texi: Add cpu_type power6x
1841 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1842 * config.gcc: Add cpu_type power6x.
1843 * configure.ac: Add test for mf{t,f}gpr instructions.
1844 (HAVE_AS_MFPGPR): New.
1845 * config.in: Regenerate.
1846 * configure: Regenerate.
1847 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1848 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1849 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1850 and mftgpr attributes.
1851 (define_attr "cpu"): Add power6.
1852 Change instruction sequences to use new attributes.
1853 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1854 (fix_truncdfsi2_mfpgpr): New.
1855 (floatsidf_ppc64_mfpgpr): New.
1856 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1857 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1858 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1859 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1860 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1861 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1862 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1863 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1864 cntlz,exts and var_delayed_compare.
1865 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1866 _ARCH_PWR6X, if features enabled.
1867 * config/rs6000/rs6000.opt (mmfpgpr): New.
1868 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1869 (cached_can_issue_more): New variable.
1870 (processor_costs): Add power6_cost.
1871 (rs6000_sched_init): New function.
1872 (is_dispatch_slot_restricted): Deleted.
1873 (set_to_load_agen): New function.
1874 (is_load_insn,is_store_insn): New functions.
1875 (adjacent_mem_locations): New function.
1876 (insn_must_be_first_in_group): New function.
1877 (insn_must_be_last_in_group): New function.
1878 (rs6000_sched_reorder): New function.
1879 (rs6000_sched_reorder2): New function.
1880 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1881 TARGET_SCHED_REORDER2): Define.
1882 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1883 Add power6x. Add MASK_MFPGPR for power6x.
1884 (POWERPC_MASKS): Add MASK_MFPGPR.
1885 (rs6000_override_options): Set rs6000_always_hint to false
1886 for power6. Set rs6000_align_branch_targets. Replace
1887 rs6000_sched_groups check with rs6000_align_branch_targets.
1888 Use PROCESSOR_POWER6.
1889 (last_scheduled_insn): New variable.
1890 (load_store_pendulum): New variable.
1891 (rs6000_variable_issue): Set last_scheduled_insn and
1892 cached_can_issue_more.
1893 (rs6000_adjust_cost): Add power6 cost adjustments.
1894 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1895 with insn_must_be_first_in_group. Add power6 priority adjustments.
1896 (rs6000_issue_rate): Add CPU_POWER6.
1897 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1898 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1899 (TARGET_MFPGPR): New.
1900 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1901 (ASM_CPU_SPEC): Add power6x.
1902 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1904 * config/rs6000/power6.md: New file.
1906 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1908 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1909 HOST_WIDE_INT_PRINT to print high and low parts. Use
1910 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1911 printing a hexadecimal number prefix it with 0x.
1913 2006-11-01 Chris Johns <chris@contemporary.net.au>
1916 * Makefile.in (install-driver): Use exeext when installing
1917 $target-gcc-$version.
1919 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1921 * c-common.c (flag_cpp0x): New.
1922 * c-common.h (flag_cpp0x): New.
1923 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1924 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1925 * c-opts.c (set_std_cxx0x): New.
1926 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1927 * c.opt (std=c++0x): Document.
1928 (std=gnu++0x): Ditto.
1929 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1930 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1932 2006-11-01 Richard Guenther <rguenther@suse.de>
1934 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1936 (ix86_expand_floorceildf_32): Likewise.
1937 (ix86_expand_floorceil): Likewise.
1938 (ix86_expand_trunc): Likewise.
1940 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1942 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1945 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1947 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1949 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1951 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1953 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1954 * configure.ac (use_cxa_atexit): As a special case, don't test
1955 for libc definition of __cxa_atexit on mingw32
1956 * configure: Regenerate.
1957 * config.gcc (i[34567]86-pc-mingw32): Default to
1958 enable__cxa_atexit=yes.
1960 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1962 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1964 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1967 * c-decl.c (start_struct): Don't create self-containing
1969 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1971 * config/rs6000/rs6000-protos.h
1972 (darwin_rs6000_special_round_type_align): New.
1973 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1974 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1976 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1978 * toplev.c (compile_file): Call final_write_globals
1979 even if there have been errors.
1981 2006-10-31 Eric Christopher <echristo@apple.com>
1982 Falk Hueffner <falk@debian.org>
1984 * doc/extend.texi (__builtin_bswap32): Document.
1985 (__builtin_bswap64): Ditto.
1986 * doc/libgcc.texi (bswapsi2): Document.
1988 * doc/rtl.texi (bswap): Document.
1989 * optabs.c (expand_unop): Don't widen a bswap.
1990 (init_optabs): Init bswap. Set libfuncs explicitly
1991 for bswapsi2 and bswapdi2.
1992 * optabs.h (OTI_bswap): New.
1993 (bswap_optab): Ditto.
1994 * genopinit.c (optabs): Handle bswap_optab.
1995 * tree.h (tree_index): Add TI_UINT32_TYPE and
1997 (uint32_type_node): New.
1998 (uint64_type_node): Ditto.
1999 * tree.c (build_common_tree_nodes_2): Initialize
2000 uint32_type_node and uint64_type_node.
2001 * builtins.c (expand_builtin_bswap): New.
2002 (expand_builtin): Call.
2003 (fold_builtin_bswap): New.
2004 (fold_builtin_1): Call.
2005 * fold-const.c (tree_expr_nonnegative_p): Return true
2007 * builtin-types.def (BT_UINT32): New.
2009 (BT_FN_UINT32_UINT32): Ditto.
2010 (BT_FN_UINT64_UINT64): Ditto.
2011 * builtins.def (BUILT_IN_BSWAP32): New.
2012 (BUILT_IN_BSWAP64): Ditto.
2013 * rtl.def (BSWAP): New.
2014 * genattrtab.c (check_attr_value): New.
2015 * libgcc2.c (__bswapSI2): New.
2016 (__bswapDI2): Ditto.
2017 * libgcc2.h (__bswapSI2): Declare.
2018 (__bswapDI2): Ditto.
2019 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2020 * simplify-rtx.c (simplify_const_unary_operation): Return
2022 * libgcc-std.ver (__bwapsi2): Add.
2023 (__bswapdi2): Ditto.
2024 * reload1.c (eliminate_regs_1): Add bswap.
2025 (elimination_effects): Ditto.
2026 * config/i386/i386.h (x86_bswap): New.
2027 (TARGET_BSWAP): Use.
2028 * config/i386/i386.c (x86_bswap): Set.
2030 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2032 * coverage.c (coverage_checksum_string): Update comment.
2033 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2034 of get_file_function_name.
2035 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2036 of get_file_function_name_long.
2037 * tree.c (get_file_function_name): Rename from
2038 get_file_function_name_long; improve comment; handle 'I' and 'D'
2039 specially when the target has ctor/dtor support; remove special
2041 (get_file_function_name): Remove.
2042 * tree.h (get_file_function_name): Rename from
2043 get_file_function_name_long.
2044 (get_file_function_name): Remove prototype.
2046 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2048 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2049 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2051 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2052 Call dsymutil when compiling and linking one or more source files
2055 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2058 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2060 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2062 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2063 inline static functions in c99 mode.
2066 * doc/extend.texi (Inline): Update.
2067 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2068 * c-decl.c (current_extern_inline): Delete.
2069 (pop_scope): Adjust test for an undefined nested function.
2070 Add warning about undeclared inline function.
2071 (diagnose_mismatched_decls): Update comments. Disallow overriding
2072 of inline functions in a translation unit in C99. Allow inline
2073 declarations in C99 at any time.
2074 (merge_decls): Boolize variables. Handle C99 'extern inline'
2076 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2077 C99 inline semantics.
2078 (start_function): Don't clear current_extern_inline. Don't set
2080 (c_push_function_context): Don't push current_extern_inline.
2081 (c_pop_function_context): Don't restore current_extern_inline.
2084 * c-typeck.c (build_external_ref): Warn about static variables
2085 used in extern inline functions.
2086 * c-decl.c (start_decl): Warn about static variables declared
2087 in extern inline functions.
2089 2006-10-31 Roger Sayle <roger@eyesopen.com>
2092 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2093 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2094 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2095 or y is an even integer.
2097 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2100 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2101 * gthr-posix95.h (__gthread_active_p): Likewise.
2103 2006-10-31 Richard Guenther <rguenther@suse.de>
2105 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2106 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2107 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2108 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2109 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2110 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2111 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2112 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2115 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2117 * opts.c (decode_options): Disable CSE skip blocks.
2119 2006-10-30 Dirk Mueller <dmueller@suse.de>
2121 * c-common.h (strict_aliasing_warning): Fix whitespace.
2122 * c-decl (start_function): Move code for main decl warning ..
2123 * c-common.c (check_main_parameter_types): .. here.
2124 * c-common.h (check_main_parameter_types): Declare.
2126 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2129 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2131 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2133 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2134 be a PARALLEL containing sets. Return false when out_pat is not
2137 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2139 * config/mips/mips.md (mul<mode>3): Split into...
2140 (mulsi3, muldi3): ...these separate patterns.
2142 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2144 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2145 but with each set of options separated by spaces.
2147 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2149 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2150 dwarf_reg_size_table has been initialized.
2152 2006-10-30 Roger Sayle <roger@eyesopen.com>
2154 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2155 * ddg.c (print_ddg_edge): Likewise.
2156 * dwarf2out.c (prune_unused_types_walk): Likewise.
2157 * ifcvt.c (noce_try_cmove_arith): Likewise.
2158 * langhooks.c (add_builtin_function): Likewise.
2159 * reg-stack.c (subst_stack_regs_pat): Likewise.
2160 * tree.c (expanded_location): Likewise.
2161 * tree-dump.c (dequeue_and_dump): Likewise.
2163 2006-10-30 David Daney <ddaney@avtrex.com>
2165 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2167 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2169 PR tree-optimization/29637
2170 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2171 of the innertype is the innertype itself.
2173 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2175 * dwarf2out.c (file_name_acquire): Correct typo.
2177 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2179 * tree.h (tree_value_handle): Remove struct value_set declaration.
2180 Change value_set to bitmap_set.
2181 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2182 * tree-vn.c (get_value_handle): Made inline and moved to
2184 * tree-flow-inline.h: (has_stmt_ann): New function.
2185 * tree-ssa-pre.c (expressions): New variable.
2186 (next_expression_id): Ditto.
2187 (alloc_expression_id): New function.
2188 (struct value_set): Remove.
2189 (get_expression_id): New function.
2190 (get_or_alloc_expression_id): Ditto.
2191 (expression_for_id): Ditto.
2192 (clear_expression_ids): Ditto.
2193 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2194 (bb_value_sets): Renamed to bb_bitmap_sets.
2195 All value sets replaced with bitmap_sets.
2197 (BB_VISITED): New macro.
2198 (postorder): New variable.
2199 (add_to_value): Removed.
2200 (value_exists_in_set_bitmap): Ditto.
2201 (value_insert_into_set_bitmap): Ditto.
2204 (set_remove): Ditto.
2205 (set_contains_value): Ditto.
2206 (insert_into_set): Ditto.
2208 (find_leader): Ditto.
2209 (bitmap_set_subtract_from_value_set): Ditto.
2210 (value_insert_into_set): Ditto.
2211 (print_value_set): Ditto.
2212 (debug_value_set): Ditto.
2213 (constant_expr_p): New function.
2214 (bitmap_remove_from_set): Ditto.
2215 (bitmap_insert_into_set): Ditto.
2216 (bitmap_set_free): Ditto.
2217 (vh_compare): Ditto.
2218 (sorted_array_from_bitmap_set): Ditto.
2219 (bitmap_set_subtract): Ditto.
2220 (bitmap_set_equal): Ditto.
2221 (debug_bitmap_set): Ditto.
2222 (find_leader_in_sets): Ditto.
2223 (bitmap_set_replace_value): Modify for bitmapped sets.
2224 (phi_translate): Ditto.
2225 (phi_translate_set): Ditto.
2226 (bitmap_find_leader): Ditto.
2227 (valid_in_sets): Ditto.
2228 (union_contains_value): Ditto.
2230 (compute_antic_aux): Ditto. Mark changed blocks.
2231 (compute_antic): Ditto. Iterate in postorder and only over
2233 (compute_rvuse_and_antic_safe): Reuse postorder.
2234 (create_component_ref_by_pieces): Modify for bitmapped sets.
2235 (find_or_generate_expression): Ditto.
2236 (create_expression_by_pieces): Ditto.
2237 (insert_into_preds_of_block): Ditto.
2238 (changed_blocks): New variable.
2239 (do_regular_insertion): Broken out from insert_aux.
2240 (insert_aux): Modified for bitmapped sets.
2241 (find_existing_value_expr): New function.
2242 (create_value_expr_from): Use it.
2243 (insert_extra_phis): Removed.
2244 (print_bitmap_set): Renamed from bitmap_print_value_set.
2245 (compute_avail): Handle RETURN_EXPR.
2246 (init_pre): Modify for bitmapped sets.
2247 * tree-flow.h (has_stmt_ann): New function.
2249 2006-10-29 Roger Sayle <roger@eyesopen.com>
2251 * builtins.c (fold_builtin_floor): Check for the availability of
2252 the C99 trunc function before transforming floor into trunc.
2254 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2256 * builtins.c (fold_builtin_hypot): Rearrange recursive
2257 transformation before others, and also do ABS_EXPR. When
2258 necessary, check flag_unsafe_math_optimizations. When necessary,
2261 2006-10-29 Roger Sayle <roger@eyesopen.com>
2263 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2264 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2265 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2266 Fold -X eq/ne -Y as X eq/ne Y.
2268 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2270 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2271 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2272 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2273 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2274 Use an inclusive test for "mult" rather than "mul".
2275 (rotr<mode>3): Depend on ISA_HAS_ROR.
2276 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2278 (GENERATE_MULT3_DI): Delete.
2279 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2280 (ISA_HAS_MUL3): New macro.
2281 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2282 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2283 (ISA_HAS_CLZ_CLO): Likewise.
2284 (ISA_HAS_DCLZ_DCLO): Delete.
2285 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2286 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2287 the VR4120 and VR4130.
2288 (ISA_HAS_MACCHI): Use consistent formatting.
2289 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2290 (ISA_HAS_ROR): ...this new macro.
2291 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2292 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2293 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2295 2006-10-29 Roger Sayle <roger@eyesopen.com>
2297 PR tree-optimization/15458
2298 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2301 2006-10-29 Richard Guenther <rguenther@suse.de>
2303 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2304 (ix86_expand_truncdf_32): Likewise.
2305 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2306 trunc inline for SSE math and -fno-trapping-math and if not
2307 optimizing for size.
2308 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2309 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2310 for expanding btrunc inline for SSE math.
2312 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2314 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2315 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2316 i[34567]86-*-solaris2.1[0-9]*.
2317 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2318 Define conditionally depending on TARGET_64BIT_DEFAULT.
2319 (SPEC_32, SPEC_64): Define.
2320 (LINK_SPEC): Use them.
2321 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2323 2006-10-29 Richard Guenther <rguenther@suse.de>
2325 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2326 (ix86_expand_rounddf_32): Likewise.
2327 * config/i386/i386.c (ix86_expand_round): New function expanding
2328 round inline for SSE math and -fno-trapping-math and if not
2329 optimizing for size.
2330 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2331 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2332 round via ix86_expand_round.
2334 2006-10-29 Richard Guenther <rguenther@suse.de>
2336 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2337 (ix86_expand_floorceildf_32): Likewise.
2338 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2339 static helper function.
2340 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2342 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2343 * config/i386/i386.md (floordf2): Adjust to enable floor
2344 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2345 -fno-trapping-math is enabled and if not optimizing for size.
2346 (floorsf2, ceildf2, ceilsf2): Likewise.
2347 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2348 (sse2_maskcmpdf3): Likewise.
2350 2006-10-29 Richard Guenther <rguenther@suse.de>
2352 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2353 rint in case -fno-trapping-math is enabled.
2354 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2355 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2356 (ix86_expand_sse_fabs): Likewise.
2357 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2358 * config/i386/i386.md (rintdf2): Enable for SSE math if
2359 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2360 (rintsf2): Likewise.
2362 2006-10-29 Richard Guenther <rguenther@suse.de>
2364 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2365 to conversion optabs.
2366 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2367 as conversion optab.
2368 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2369 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2370 (lfloor_optab, lceil_optab): Adjust defines.
2371 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2372 lfloor and lceil optabs now being conversion optabs.
2373 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2374 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2375 New static helper function.
2376 (ix86_expand_lfloorceil): New function to expand lfloor and
2378 * config/i386/i386.md (lfloor<mode>2): Split into ...
2379 (lfloorxf<mode>2): ... x87 variant
2380 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2381 using ix86_expand_lfloorceil.
2382 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2384 * doc/md.texi (lfloorMN, lceilMN): Document.
2386 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2388 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2389 -mno-shared assembler option on mips targets.
2390 * configure, config.in: Regenerate.
2391 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2392 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2393 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2395 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2397 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2398 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2400 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2402 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2403 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2406 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2409 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2410 (fold_builtin_pow): Evaluate constant arguments at compile-time
2412 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2413 (do_mpfr_ckconv): New helper function.
2414 (do_mpfr_arg1): Use do_mpfr_ckconv.
2415 (do_mpfr_arg2): New.
2417 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2420 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2421 (-fdump-rtl-sched): Rename to ..
2422 (-fdump-rtl-sched1): here. Also fix file extension number.
2424 2006-10-28 Richard Guenther <rguenther@suse.de>
2426 * fold-const.c (maybe_canonicalize_comparison): Fix code
2429 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2431 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2432 (NON_QI_REG_P): Use IN_RANGE.
2433 (REX_INT_REGNO_P): Use IN_RANGE.
2434 (FP_REGNO_P): Use IN_RANGE.
2435 (SSE_REGNO_P): Use IN_RANGE.
2436 (REX_SSE_REGNO_P): Use IN_RANGE.
2437 (MMX_REGNO_P): Use IN_RANGE.
2438 (STACK_REGNO_P): New macro.
2439 (STACK_REG_P): Use STACK_REGNO_P.
2440 (NON_STACK_REG_P): Use STACK_REGNO_P.
2441 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2442 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2443 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2444 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2445 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2447 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2449 * except.h (output_function_exception_table): Add 'const char*' param.
2450 * except.c (switch_to_exception_section): Add 'const char*' param.
2451 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2452 and flag_function_sections is set, use a function-specific section.
2453 (output_function_exception_table): Add 'const char*' param.
2454 Adjust call to switch_to_exception_section.
2455 * final.c (rest_of_handle_final): Adjust calls to
2456 output_function_exception_table.
2457 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2458 * config.in: Regenerate.
2459 * configure: Likewise.
2461 2006-10-28 Richard Guenther <rguenther@suse.de>
2464 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2465 for maybe_canonicalize_comparison.
2466 (maybe_canonicalize_comparison): New function for canonicalizing
2468 (fold_comparison): Call it to canonicalize comparisons with
2471 2006-10-28 Richard Guenther <rguenther@suse.de>
2474 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2475 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2476 (expand_builtin): Adjust likewise.
2477 * genopinit.c (optabs[]): Add lround optab.
2478 * optabs.c (init_optabs): Initialize lround_optab.
2479 * optabs.h (enum convert_optab_index): Add COI_lround.
2480 (lround_optab): Define.
2481 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2482 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2484 (ix86_expand_lround): New function.
2485 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2487 * doc/md.texi (lroundMN2): Document.
2489 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2492 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2493 argument to HOST_WIDE_INT. Update function prototype.
2494 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2495 "size" argument to HOST_WIDE_INT. Update function prototype.
2497 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2499 * config/i386/i386.c (output_387_ffreep): Create output from a
2500 template string for !HAVE_AS_IX86_FFREEP.
2502 2006-10-27 Eric Christopher <echristo@apple.com>
2504 * config/darwin.c: Fix formatting and grammar.
2506 2006-10-27 Jan Hubicka <jh@suse.cz>
2508 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2509 to be thrown away soon when IGNORE is set.
2510 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2511 indicating when return value shall not be computed.
2512 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2514 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2516 * config/i386/i386.h (TARGET_GEODE):
2517 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2518 (TARGET_CPU_DEFAULT_geode): New macro.
2519 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2520 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2521 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2522 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2523 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2525 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2526 (processor_type): Add PROCESSOR_GEODE.
2528 * config/i386/i386.md: Include geode.md.
2531 * config/i386/i386.c (geode_cost): New initialized global
2533 (m_GEODE, m_K6_GEODE): New macros.
2534 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2535 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2536 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2537 x86_schedule): Use m_K6_GEODE instead of m_K6.
2538 (x86_movx, x86_cmove): Set up m_GEODE.
2539 (x86_integer_DFmode_moves): Clear m_GEODE.
2540 (processor_target_table): Add entry for geode.
2541 (processor_alias_table): Ditto.
2543 * config/i386/geode.md: New file.
2545 * doc/invoke.texi: Add entry about geode processor.
2547 2006-10-27 Mike Stump <mrs@apple.com>
2549 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2550 __DYNAMIC__ from here back to ...
2551 * config/darwin.h (CPP_SPEC): ... here.
2553 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2554 Nathan Sidwell <nathan@codesourcery.com>
2556 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2557 when choosing the minimum heapsize.
2559 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2561 * gcc/unwind-dw2.h: Move cfa-related variables into
2562 struct frame_state_reg_info to ensure that the CFA is properly
2563 handled when executing DW_CFA_{remember,restore}_state.
2564 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2565 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2566 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2567 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2568 gcc/config/rs6000/linux-unwind.h,
2569 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2570 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2571 Modify to use new cfa_* fields.
2573 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2575 * config/s390/s390.c (s390_init_frame_layout): Check positive
2578 2006-10-26 Ben Elliston <bje@au.ibm.com>
2580 * gimplify.c (get_name): Remove extraneous break.
2581 (gimplify_omp_for): Initialise ret with GS_OK.
2583 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2585 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2586 Add unix98.o to link line.
2588 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2591 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2592 Calculate compile-time constants using MPFR.
2593 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2594 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2596 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2598 * config/xtensa/lib2funcs.S: Use C-style comments.
2600 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2602 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2603 (file_table_relative_p): Likewise.
2604 (dwarf2out_finish): Likewise.
2605 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2607 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2609 * tree-ssa-structalias.c (intra_create_variable_infos):
2610 Don't recreate nonlocal_all if it already exists.
2612 2006-10-25 Richard Guenther <rguenther@suse.de>
2615 * optabs.h (enum optab_index): Remove OTI_lrint.
2616 (enum convert_optab_index): Add COI_lrint.
2617 (lrint_optab): Adjust.
2618 (expand_sfix_optab): Declare.
2619 * optabs.c (expand_sfix_optab): New function.
2620 (init_optabs): Init lrint_optab as conversion optab.
2621 * genopinit.c (lrint_optab): Change to a conversion optab.
2622 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2623 expansion via conversion optab.
2624 * config/i386/i386.md (*fistdi2_1): Remove
2625 flag_unsafe_math_optimizations guard.
2626 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2627 fist<mode>2_with_temp): Likewise.
2628 (lrint<mode>2): Split into...
2629 (lrintxf<mode>2): ... x87 part
2630 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2631 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2632 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2633 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2634 * doc/md.texi (lrintMN2): Document.
2636 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2639 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2640 Use inc and dec instructions for TARGET_USE_INCDEC.
2641 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2642 ("sync_double_compare_and_swap<mode>"): Likewise.
2643 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2644 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2645 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2646 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2647 ("sync_old_add<mode>"): Likewise.
2648 ("sync_lock_test_and_set<mode>"): Likewise.
2649 ("sync_lock_test_and_set<mode>"): Likewise.
2650 ("sync_add<mode>"): Likewise.
2651 ("sync_sub<mode>"): Likewise.
2652 ("sync_ior<mode>"): Likewise.
2653 ("sync_and<mode>"): Likewise.
2654 ("sync_xor<mode>"): Likewise.
2656 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2658 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2659 (remainder_optab): Define corresponding macro.
2660 (drem_optab): Remove.
2661 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2662 drem_optab initialization.
2663 * genopinit.c (optabs): Implement remainder_optab using
2664 remainder?f3 patterns. Remove drem_optab.
2665 * builtins.c (expand_builtin_mathfn_2): Handle
2666 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2667 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2668 expand_builtin_mathfn_2.
2670 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2671 depend on flag_unsafe_math_optimizations.
2673 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2674 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2675 Do not depend on flag_unsafe_math_optimizations. Use
2676 truncxf?f expander instead of truncxf?f_i387_noop.
2678 ("fpremxf4", "fprem1xf4"): Do not depend on
2679 flag_unsafe_math_optimizations.
2680 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2681 flag_unsafe_math_optimizations. Use truncxf?f expander
2682 instead of truncxf?f_i387_noop.
2684 * doc/md.texi (fmod, remainder): Document standard named pattern.
2686 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2687 David Daney <ddaney@avtrex.com>
2690 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2692 2006-10-25 Ben Elliston <bje@au.ibm.com>
2694 * doc/extend.texi (Variable Attributes): Typo fix.
2696 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2698 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2699 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2700 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2701 (FRAME_POINTER_REGNUM): Update register number to 21.
2702 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2703 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2705 * config/i386/i386.c (regclass_map): Add fpcr entry.
2706 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2708 (print_reg): Assert REGNO (x) != FPCR_REG.
2710 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2711 (DIRFLAG_REG): Renumber.
2712 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2713 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2714 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2715 hardcoded SSE register numbers.
2717 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2718 hardcoded MMX register numbers.
2720 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2723 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2724 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2726 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2727 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2728 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2729 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2731 2006-10-24 Richard Guenther <rguenther@suse.de>
2734 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2735 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2736 for deciding optimizations in consistency with fold-const.c
2737 (fold_builtin_unordered_cmp): Likewise.
2739 2006-10-24 Richard Guenther <rguenther@suse.de>
2741 * builtins.c (fold_builtin_floor): Fold floor (x) where
2742 x is nonnegative to trunc (x).
2743 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2744 nonnegative to FIX_TRUNC_EXPR.
2746 2006-10-24 Richard Guenther <rguenther@suse.de>
2748 PR tree-optimization/29567
2749 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2750 for TRUTH_NOT_EXPR. Clarify comments.
2752 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2755 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2756 at compile-time using MPFR. Change parameter VALUE to FUNC,
2758 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2759 for overflow and underflow at all times and avoid folding in
2762 2006-10-24 Ben Elliston <bje@au.ibm.com>
2764 * reload1.c: Formatting fixes.
2766 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2768 PR tree-optimization/14784
2769 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2770 * tree-ssa-structalias.c (get_constraint_for,
2771 intra_create_variable_infos): Set is_heapvar.
2772 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2773 non-heapvar pointer variables specially.
2775 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2778 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2779 fold_builtin_tan): Fold all constant arguments. Take a "type"
2780 argument as necessary.
2781 (do_mpfr_arg1): New.
2782 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2784 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2786 * config/xtensa/lib1funcs.asm: Use C-style comments.
2788 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2790 * tree.c (local_define_builtin): Replace calls to
2791 lang_hooks.builtin_function with add_builtin_function.
2792 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2794 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2796 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2797 common code to add_builtin_function.
2798 * langhooks.c (add_builtin_function): New function.
2799 (lhd_builtin_function): New function.
2800 * langhooks.h (struct lang_hooks): Change the signature of
2802 (add_builtin_function): New function.
2803 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2804 calls to lang_hooks.builtin_function with add_builtin_function.
2805 * c-common.c (decl_builtin_1): Replace calls to
2806 lang_hooks.builtin_function with add_builtin_function.
2807 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2808 lang_hooks.builtin_function with add_builtin_function.
2809 * config/frv/frv.c (def_builtin): Replace calls to
2810 lang_hooks.builtin_function with add_builtin_function.
2811 * config/s390/s390.c (s390_init_builtins): Replace calls to
2812 lang_hooks.builtin_function with add_builtin_function.
2813 * config/sparc/sparc.c (def_builtin): Replace calls to
2814 lang_hooks.builtin_function with add_builtin_function.
2815 * config/i386/i386.c (def_builtin): Replace calls to
2816 lang_hooks.builtin_function with add_builtin_function.
2817 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2818 lang_hooks.builtin_function with add_builtin_function.
2819 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2820 lang_hooks.builtin_function with add_builtin_function.
2821 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2822 Replace calls to lang_hooks.builtin_function with
2823 add_builtin_function.
2824 * config/iq2000/iq2000.c (def_builtin):
2825 Replace calls to lang_hooks.builtin_function with
2826 add_builtin_function.
2827 * config/ia64/ia64.c (def_builtin): Replace calls to
2828 lang_hooks.builtin_function with add_builtin_function.
2829 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2830 lang_hooks.builtin_function with add_builtin_function.
2831 (altivec_init_builtins): Replace calls to
2832 lang_hooks.builtin_function with add_builtin_function.
2833 * config/arm/arm.c (def_mbuiltin): Replace calls to
2834 lang_hooks.builtin_function with add_builtin_function.
2835 (arm_init_tls_builtins): Replace calls to
2836 lang_hooks.builtin_function with add_builtin_function.
2837 * config/mips/mips.c (mips_init_builtins): Replace calls to
2838 lang_hooks.builtin_function with add_builtin_function.
2839 * config/bfin/bfin.c (def_builtin): Replace calls to
2840 lang_hooks.builtin_function with add_builtin_function.
2841 * langhooks-def.h (lhd_builtin_function): New function.
2842 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2844 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2846 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2847 BUILT_IN_STRNCAT_CHK.
2849 2006-10-23 Jan Hubicka <jh@suse.cz>
2851 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2852 don't do conversion from memmove to memcpy here.
2853 (expand_builtin_bcopy, expand_builtin): Update call of
2854 expand_builtin_memmove.
2855 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2857 2006-10-23 Paul Brook <paul@codesourcery.com>
2859 * stor-layout.c (start_record_layout): maximum_field_alignment
2860 overrides STRUCTURE_SIZE_BOUNDARY.
2862 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2864 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2865 nonlocal function symbols if flag_pic.
2867 2006-10-23 Richard Guenther <rguenther@suse.de>
2871 * builtins.c (fold_binary): Remove checks for flag_wrapv
2872 and flag_trapv where negate_expr_p covers these cases.
2874 2006-10-23 Richard Guenther <rguenther@suse.de>
2877 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2878 of two on the absolute value.
2879 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2880 and negating -C does not overflow.
2882 2006-10-23 Richard Guenther <rguenther@suse.de>
2885 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2886 only if not flag_rounding_math.
2888 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2889 Kaz Kojima <kkojima@gcc.gnu.org>
2892 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2893 SImode memory reference for the source of a movua.
2894 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2895 (movua): Use an unspec instead of sign_extract. Expect the source
2896 to have mode BLKmode.
2897 (extv, insv): Use a BLKmode rather than SImode memory reference
2898 for the source of a movua.
2900 2006-10-22 Jeff Law <law@redhat.com>
2901 Richard Guenther <rguenther@suse.de>
2903 PR tree-optimization/15911
2904 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2905 (register_edge_assert_for_1): Likewise.
2906 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2907 (find_conditional_asserts): Adjust for new function signature.
2908 (find_assert_locations): Likewise.
2910 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2912 * config/i386/tmmintrin.h: Remove the duplicated content.
2914 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2916 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2917 (x86_64-*-*): Likewise.
2919 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2920 (override_options): Check SSSE3.
2921 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2922 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2923 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2924 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2925 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2926 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2927 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2928 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2929 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2930 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2931 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2932 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2933 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2934 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2935 IX86_BUILTIN_PABSD128.
2936 (bdesc_2arg): Add SSSE3.
2937 (bdesc_1arg): Likewise.
2938 (ix86_init_mmx_sse_builtins): Support SSSE3.
2939 (ix86_expand_builtin): Likewise.
2940 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2942 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2943 (UNSPEC_PSIGN): Likewise.
2944 (UNSPEC_PALIGNR): Likewise.
2945 Include mmx.md before sse.md.
2947 * config/i386/i386.opt: Add -mssse3.
2949 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2950 (ssse3_phaddwv4hi3): Likewise.
2951 (ssse3_phadddv4si3): Likewise.
2952 (ssse3_phadddv2si3): Likewise.
2953 (ssse3_phaddswv8hi3): Likewise.
2954 (ssse3_phaddswv4hi3): Likewise.
2955 (ssse3_phsubwv8hi3): Likewise.
2956 (ssse3_phsubwv4hi3): Likewise.
2957 (ssse3_phsubdv4si3): Likewise.
2958 (ssse3_phsubdv2si3): Likewise.
2959 (ssse3_phsubswv8hi3): Likewise.
2960 (ssse3_phsubswv4hi3): Likewise.
2961 (ssse3_pmaddubswv8hi3): Likewise.
2962 (ssse3_pmaddubswv4hi3): Likewise.
2963 (ssse3_pmulhrswv8hi3): Likewise.
2964 (ssse3_pmulhrswv4hi3): Likewise.
2965 (ssse3_pshufbv16qi3): Likewise.
2966 (ssse3_pshufbv8qi3): Likewise.
2967 (ssse3_psign<mode>3): Likewise.
2968 (ssse3_psign<mode>3): Likewise.
2969 (ssse3_palignrti): Likewise.
2970 (ssse3_palignrdi): Likewise.
2971 (abs<mode>2): Likewise.
2972 (abs<mode>2): Likewise.
2974 * config/i386/tmmintrin.h: New file.
2976 * doc/extend.texi: Document SSSE3 built-in functions.
2978 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2980 2006-10-22 Ira Rosen <irar@il.ibm.com>
2982 * tree-vect-transform.c (vectorizable_load): Use the type of the
2983 return value of the mask_for_load builtin to create realign_load
2986 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2988 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2991 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2993 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2994 (UNSPEC_LDDQU): This.
2995 * config/i386/sse.md (sse3_lddqu): Updated.
2997 2006-10-21 Richard Guenther <rguenther@suse.de>
2999 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3000 (expand_builtin): Use it to expand lrint instead of
3001 expand_builtin_mathfn.
3003 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3006 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3007 flag_unsafe_math_optimizations is set.
3009 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3012 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3013 patterns to use memory input operand in x87->mem->XMM
3014 reload sequences. Skip transformation for TARGET_K8.
3016 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3018 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3019 force operand1 to register if both operands are memory operands.
3020 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3021 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3022 if both operands are memory operands.
3023 (truncdfsf2): Do not force operand1 to register if both operands
3024 are memory operands.
3026 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3028 * Makefile.in (LIBS): Add $(GMPLIBS).
3029 * doc/install.texi: Update GMP and MPFR requirements.
3030 * doc/sourcebuild.texi (need_gmp): Delete.
3032 2006-10-21 Richard Guenther <rguenther@suse.de>
3034 PR tree-optimization/3511
3035 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3036 got new invariant arguments during PHI translation.
3038 2006-10-21 Richard Guenther <rguenther@suse.de>
3041 * fold-const.c (fold_comparison): Fold signed comparisons
3042 of the form X +- C1 CMP Y +- C2.
3044 2006-10-21 Richard Guenther <rguenther@suse.de>
3047 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3048 if flag_unsafe_math_optimizations is specified. We have
3049 flag_finite_math_only for that.
3050 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3051 or flag_unsafe_math_optimizations.
3053 2006-10-21 Richard Guenther <rguenther@suse.de>
3055 * builtins.c (fold_builtin_classify): Fix typo.
3057 2006-10-21 Richard Guenther <rguenther@suse.de>
3060 * simplify-rtx.c (simplify_const_relational_operation):
3061 Do not constant-fold ORDERED and UNORDERED for
3062 flag_unsafe_math_optimizations but only we do not need to
3063 honor NaNs for the given mode.
3065 2006-10-21 Richard Guenther <rguenther@suse.de>
3068 * config/i386/i386.c (classify_argument): Remove redundant
3069 walking of the BINFOs.
3070 (contains_128bit_aligned_vector_p): Likewise.
3072 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3074 * BASE-VER: Set to 4.3.0.
3076 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3078 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3079 (tree_decl_with_vis): Remove artificial_pta_var flag.
3080 * tree-flow.h (referenced_var_check_and_insert): Expose.
3081 (nonlocal_all): New prototype.
3082 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3083 (nonlocal_all): Make global.
3084 (nonlocal_lookup): Remove.
3085 (nonlocal_insert): Ditto.
3086 (create_nonlocal_var): Do not call nonlocal_insert.
3087 (get_nonlocal_id_for_type): Remove.
3088 (find_global_initializers): Mark new vars we find for renaming.
3089 (intra_create_variable_infos): Only create one nonlocal.
3090 (expand_nonlocal_solutions): Remove.
3091 (compute_points_to_sets): Don't call it.
3092 (ipa_pta_execute): Ditto.
3093 (init_alias_heapvars): Don't create nonlocal_for_type.
3094 (delete_alias_heapvars): Don't remove it.
3095 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3098 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3100 * doc/install.texi (Downloading GCC): Clarify mention of
3101 Fortran in the "full distribution" description.
3103 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3105 Fix PR tree-optimization/28778
3106 Fix PR tree-optimization/29156
3107 Fix PR tree-optimization/29415
3108 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3109 (tree_decl_with_vis): Add artificial_pta_var flag.
3110 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3111 pushed into callers.
3112 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3113 (nonlocal_all): Ditto.
3114 (struct variable_info): Add directly_dereferenced member.
3115 (var_escaped_vars): New variable.
3116 (escaped_vars_tree): Ditto.
3117 (escaped_vars_id): Ditto.
3118 (nonlocal_vars_id): Ditto.
3119 (new_var_info): Set directly_dereferenced.
3120 (graph_size): New variable
3121 (build_constraint_graph): Use graph_size.
3122 (solve_graph): Don't process constraints that cannot change the
3123 solution, don't try to propagate an empty solution to our
3125 (process_constraint): Set directly_dereferenced.
3126 (could_have_pointers): New function.
3127 (get_constraint_for_component_ref): Don't process STRING_CST.
3128 (nonlocal_lookup): New function.
3129 (nonlocal_insert): Ditto.
3130 (create_nonlocal_var): Ditto.
3131 (get_nonlocal_id_for_type): Ditto.
3132 (get_constraint_for): Allow results vector to be empty in the case
3133 of string constants.
3134 Handle results of calls properly.
3135 (update_alias_info): Update alias info stats on number and type of
3137 (find_func_aliases): Use could_have_pointers.
3138 (make_constraint_from_escaped): Renamed from
3139 make_constraint_to_anything, and changed to make constraints from
3141 (make_constraint_to_escaped): New function.
3142 (find_global_initializers): Ditto.
3143 (create_variable_info_for): Make constraint from escaped to any
3144 global variable, and from any global variable to the set of
3146 (intra_create_variable_infos): Deal with escaped instead of
3147 pointing to anything.
3148 (set_uids_in_ptset): Do type pruning on directly dereferenced
3150 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3151 (init_base_vars): Fix comment, and initialize escaped_vars.
3152 (need_to_solve): Removed.
3153 (find_escape_constraints): New function.
3154 (expand_nonlocal_solutions): Ditto.
3155 (compute_points_to_sets): Call find_escape_constraints and
3156 expand_nonlocal_solutions.
3157 (delete_points_to_sets): Don't fall off the end of the graph.
3158 (init_alias_heapvars): Initialize nonlocal_for_type and
3160 (delete_alias_heapvars): Free nonlocal_for_type and null out
3163 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3165 * fold-const.c (add_double): Rename to add_double_with_sign.
3166 Add 'unsigned_p' parameter and take it into account for the overflow.
3167 (mul_double): Rename to mul_double_with_sign.
3168 Add 'unsigned_p' parameter and take it into account for the overflow.
3169 (fold_div_compare): Call add_double_with_sign instead of add_double
3170 and mul_double_with_sign instead of mul_double, passing them the
3171 unsignedness of the type.
3172 * tree.h (add_double): Macroize.
3173 (add_double_with_sign): New prototype.
3174 (mul_double): Macroize.
3175 (mul_double_with_sign): New prototype.
3177 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3179 * config/score/crti.asm: New file.
3180 * config/score/crtn.asm: New file.
3181 * config/score/elf.h: New file.
3182 * config/score/mac.md: New file.
3183 * config/score/misc.md: New file.
3184 * config/score/mul-div.S: New file.
3185 * config/score/predicates.md: New file.
3186 * config/score/score7.md: New file.
3187 * config/score/score.c: New file.
3188 * config/score/score-conv.h: New file.
3189 * config/score/score.h: New file.
3190 * config/score/score.md: New file.
3191 * config/score/score-mdaux.c: New file.
3192 * config/score/score-mdaux.h: New file.
3193 * config/score/score-modes.def: New file.
3194 * config/score/score.opt: New file.
3195 * config/score/score-protos.h: New file.
3196 * config/score/score-version.h: New file.
3197 * config/score/t-score-elf: New file.
3198 * config.gcc: Add score*-*-* configurations(Update before).
3199 * doc/invoke.texi (Score Options): New section.
3200 * doc/md.texi (Score family): New section to document constraints.
3202 2006-10-19 Nick Clifton <nickc@redhat.com>
3204 * config/arm/arm.c: Fix spelling typo.
3206 2006-10-18 Tom Tromey <tromey@redhat.com>
3208 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3210 2006-10-18 Jan Hubicka <jh@suse.cz>
3213 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3216 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3218 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3219 TSI_SAME_STMT, since that's the desired entity.
3221 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3223 * config/s390/contraints.md: New file.
3224 * config/s390/s390-protos.h (s390_mem_constraint,
3225 s390_O_constraint_str, s390_N_constraint_str,
3226 s390_float_const_zero_p): Function prototypes added.
3227 * config/s390/s390.c (s390_extra_constraint_str,
3228 s390_const_double_ok_for_constraint_p,
3229 s390_const_ok_for_constraint_p): Functions removed.
3230 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3231 s390_float_const_zero_p): New functions.
3232 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3233 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3234 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3235 Macro definitions removed.
3236 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3237 s390_extra_constraint_str): Functions removed.
3239 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3240 Richard Sandiford <richard@codesourcery.com>
3243 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3244 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3246 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3248 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3249 (DWARF2_FRAME_REG_OUT): Likewise.
3250 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3251 (DWARF2_FRAME_REG_OUT): Likewise.
3253 2006-10-17 Paul Brook <paul@codesourcery.com>
3255 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3257 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3259 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3260 Standardize on "GNU Fortran" as the official name of the Fortran
3263 2006-10-16 Mike Stump <mrs@apple.com>
3265 * doc/invoke.texi (Darwin Options): Document -mkernel.
3266 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3268 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3269 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3270 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3271 (OS_MISSING_ALTIVEC): Add.
3272 * config/i386/i386.c (override_options): Add
3273 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3274 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3275 -mkernel, -static or -mdynamic-no-pic is given.
3276 (C_COMMON_OVERRIDE_OPTIONS): Add.
3277 * config/darwin.opt (fapple-kext): Add.
3279 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3280 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3282 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3283 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3284 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3285 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3286 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3287 (flag_mkernel): Add.
3288 (flag_apple_kext): Add.
3289 (TARGET_KEXTABI): Add.
3290 * config/darwin.c (darwin_handle_kext_attribute): Add.
3291 (DARWIN_VTABLE_P): Add.
3292 (darwin_binds_local_p): Add partial support for rebinding vtables
3294 (darwin_kextabi_p): Add.
3295 (darwin_override_options): Add.
3296 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3297 (darwin_kextabi_p): Add.
3298 (darwin_override_options): Add.
3299 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3300 __DYNAMIC__ and __STATIC__ here.
3302 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3304 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3305 Added mention of "make pdf" target, and Texinfo requirements for
3308 2006-10-16 DJ Delorie <dj@redhat.com>
3310 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3311 into the GOT in case we need a subreg of the address.
3313 2006-10-16 Richard Guenther <rguenther@suse.de>
3316 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3317 SSE builtin documentation. Document SSE2 builtins.
3319 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3321 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3322 symbol in the output file for non-shared links when -nostdlib or
3323 -nodefaultlibs isn't specified.
3325 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3326 posix thread support.
3328 2006-10-15 Jan Hubicka <jh@suse.cz>
3331 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3332 declared always_inline even when not inlining.
3334 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3335 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3336 Andrew Pinski <pinskia@gmail.com>
3339 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3341 2006-10-15 Jan Hubicka <jh@suse.cz>
3342 Richard Guenther <rguenther@suse.de>
3345 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3346 process_function_and_variable_attributes on all variables, including
3347 those discovered during cgraph construction phase.
3349 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3351 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3353 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3355 * config/i386/athlon.md (athlon_fist): Add fisttp.
3357 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3358 Ian Lance Taylor <ian@airs.com>
3361 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3362 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3365 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3367 * config/score/score.c, config/score/score.h: Fix comment
3370 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3373 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3376 2006-10-13 Eric Christopher <echristo@apple.com>
3378 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3380 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3383 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3384 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3385 alignment supported by 32-bit ELF.
3387 2006-10-13 Eric Christopher <echristo@apple.com>
3389 * config/darwin.c (darwin_emit_unwind_label): Strip
3390 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3392 2006-10-13 Richard Guenther <rguenther@suse.de>
3394 PR tree-optimization/29446
3395 * tree-vrp.c (fix_equivalence_set): Remove.
3396 (extract_range_from_assert): Do not call fix_equivalence_set.
3397 (debug_value_range): Print a newline.
3398 (compare_name_with_value): For equivalence sets with
3399 inconsistent value ranges conservatively bail out.
3400 (compare_names): Likewise.
3402 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3404 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3405 and MPFR for gfortran.
3407 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3409 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3410 alignment supported by 32-bit ELF.
3412 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3416 * c-typeck.c (digest_init): Always allow initializing vectors
3417 that have static storage duration with compound literals.
3418 * tree.c (build_type_attribute_qual_variant): New, based on
3419 build_type_attribute_variant.
3420 (build_type_attribute_variant): Rewrite using the former.
3421 (make_vector_type): Use build_type_attribute_qual_variant to build
3422 type variants. Use type_hash_canon on the others.
3424 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3425 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3427 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3429 2006-10-12 Jan Hubicka <jh@suse.cz>
3432 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3433 current_function_decl is set but current_function_scope is not.
3435 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3437 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3438 emit_insn to emit eh_return_internal instruction.
3439 (eh_return_internal): Explicitly set pc.
3441 2006-10-11 Richard Guenther <rguenther@suse.de>
3443 PR tree-optimization/28230
3444 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3445 to the correct place.
3447 2006-10-11 Richard Guenther <rguenther@suse.de>
3450 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3453 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3455 * configure.ac: Added pdf to "Make-hooks"
3456 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3457 targets and *.pdf file patterns in cleanup targets.
3458 * configure: Regenerated.
3460 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3462 * config/avr/predicates.md: New file.
3463 * config/avr/avr.md: Include it.
3464 (REG_SP): New constant.
3465 (peepholes): Use predicates.
3466 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3467 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3468 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3470 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3472 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3475 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3478 * builtins.c (var_decl_component_p): New function.
3479 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3480 single entry optimization to variables and components thereof.
3482 2006-10-10 Richard Guenther <rguenther@suse.de>
3484 PR rtl-optimization/29323
3485 * except.c (set_nothrow_function_flags): For functions
3486 that do not bind local bail out early.
3488 2006-10-10 Ben Elliston <bje@au.ibm.com>
3490 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3493 2006-10-09 Richard Henderson <rth@redhat.com>
3495 Revert emutls patch.
3497 2006-10-09 Richard Guenther <rguenther@suse.de>
3500 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3503 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3506 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3507 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3508 * configure: Regenerate.
3509 * config.in: Regenerate.
3511 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3513 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3515 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3517 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3518 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3519 Remove stray newline.
3521 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3523 * config/mips/mips.c (mips_classify_symbol): Do not return
3524 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3525 (mips_in_small_data_p): Tweak comments.
3527 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3529 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3531 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3533 * gimplify.c, sched-int.h: Fix comment typos.
3535 * sched-int.h: Fix comment typos.
3537 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3539 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3541 * sched-ebb.c (begin_schedule_ready): Use them.
3542 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3543 add_to_speculative_block, create_check_block_twin, speculate_insn,
3544 fix_jump_move, move_block_after_check): Ditto.
3545 * sched-rgn.c (new_ready): Ditto.
3547 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3549 PR rtl-optimization/29128
3550 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3551 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3552 allow interblock movement of speculation checks.
3554 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3557 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3558 casted to integer type.
3559 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3560 if they are significantly more expensive than [reg + index] ones.
3562 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3564 PR tree-optimization/29330
3565 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3566 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3567 on newly allocated ddrs.
3568 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3569 to VEC (loop_p, heap) pointer.
3570 (compute_data_dependences_for_loop): Adjust caller.
3571 (free_dependence_relations): Free DDR_LOOP_NEST.
3573 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3574 free DEPENDENCE_RELATIONS and DATAREFS.
3577 * builtins.c (expand_builtin_sync_operation,
3578 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3579 Use convert_to_mode to handle promoted arguments.
3581 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3583 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3585 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3587 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3589 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3591 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3592 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3593 Use <modeconstraint> instead of "r" as operand 1 constraint.
3595 2006-10-06 Olivier Hainque <hainque@adacore.com>
3597 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3598 Don't recurse on the pointed-to type.
3599 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3600 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3601 types with components of variable size.
3603 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3605 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3607 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3609 PR tree-optimization/29290
3610 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3614 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3615 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3618 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3619 the number of vector elements fill the rest with zeros.
3621 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3623 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3624 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3627 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3629 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3630 unnamed pattern into subsi3. Use correct constraints/predicates.
3631 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3632 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3634 2006-10-05 Ira Rosen <irar@il.ibm.com>
3636 * doc/loop.texi: Add data references analysis description.
3638 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3640 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3642 2006-10-04 Richard Henderson <rth@redhat.com>
3643 Jakub Jelinek <jakub@redhat.com>
3645 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3646 * builtin-types.def (BT_WORD): Make unsigned.
3647 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3648 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3649 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3650 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3651 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3652 * cgraph.c (decide_is_variable_needed): Look at force_output.
3653 Recurse for emulated tls.
3654 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3655 checks redundant with decide_is_variable_needed.
3656 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3657 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3659 * expr.c (emutls_var_address): New.
3660 (expand_expr_real_1): Expand emulated tls.
3661 (expand_expr_addr_expr_1): Likewise.
3662 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3663 * output.h (emutls_finish): Declare.
3664 * toplev.c (compile_file): Call it.
3665 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3666 address before wrapping in CONST.
3667 * varasm.c (emutls_htab, emutls_object_type): New.
3668 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3669 (get_emutls_object_name, get_emutls_object_type): New.
3670 (get_emutls_init_templ_addr, emutls_decl): New.
3671 (emutls_common_1, emutls_finish): New.
3672 (assemble_variable): When emulating tls, swap decls; generate
3673 constructor for the emutls objects.
3674 (do_assemble_alias): When emulating tls, swap decl and target name.
3675 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3677 * emutls.c: New file.
3678 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3679 tls_object for real tls.
3681 2006-10-04 Zack Weinberg <zackw@panix.com>
3683 Fix bug in constraint-check generator, reported by Rask Ingemann
3685 * genpreds.c (add_constraint): Don't remove anything from the
3687 (write_tm_constrs_h): Detect whether "op" argument is used, and
3688 mark it ARG_UNUSED if it isn't.
3689 (write_insn_const_int_ok_for_constraint): Skip the part of the
3690 expression that would test whether "op" (which is not available
3691 here) is a CONST_INT.
3693 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3696 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3698 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3700 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3701 current Leopard versions.
3702 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3704 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3706 * doc/install.texi: Fix typos.
3708 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3710 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3711 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3712 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3714 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3716 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3717 arg to be struct mach_header_64* instead.
3719 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3722 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3723 side effects after the outer expression's post side effects.
3725 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3727 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3728 comments to reflect actual behavior and relationship between
3729 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3731 * doc/c-tree.texi (Working with declarations): Fix documentation
3732 of FIELD_DECL likewise.
3734 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3737 * doc/extend.texi: Add used variable attribute description.
3739 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3742 * c.opt (Woverride-init): New.
3743 * c-opts.c (c_common_post_options): Default warn_override_init to
3745 * c-typeck.c (add_pending_init, output_init_element): Warn for
3746 overriding initializers without side effects.
3747 * doc/invoke.texi (-Woverride-init): Document.
3750 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3752 PR rtl-optimization/28096
3753 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3754 assignment has already been used as a destination earlier in the block.
3756 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3758 * builtins.c (expand_builtin_setjmp): Delete.
3759 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3760 <BUILT_IN_SETJMP_SETUP>: New case.
3761 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3762 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3763 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3764 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3765 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3766 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3767 (lower_function_body): Initialize it to false. If it is set to true
3768 at the end of the processing, emit the setjmp dispatcher.
3769 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3770 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3771 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3772 on the rhs of the assignment.
3773 (lower_builtin_setjmp): New function.
3774 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3775 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3776 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3777 to detect calls that can go to non-local labels. Use specific
3778 helper to create the abnormal edges associated with them.
3779 <MODIFY_EXPR>: Likewise.
3780 (make_abnormal_goto_edges): New function extracted from...
3781 (make_goto_expr_edges): ...here. Call it for computed gotos.
3782 (simple_goto_p): Minor tweak.
3783 (tree_can_make_abnormal_goto): New predicate.
3784 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3785 (tree_purge_dead_abnormal_call_edges): New function.
3786 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3787 (tree_purge_dead_abnormal_call_edges): Likewise.
3788 (make_abnormal_goto_edges): Likewise.
3789 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3790 Purge all dead abnormal edges if the call was in the last statement.
3791 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3792 (execute_fixup_cfg): If there are non-local labels in the function,
3793 scan the basic blocks and split them at calls that can go to non-local
3794 labels or add missing abnormal call edges. Write down the CFG in the
3796 (pass_fixup_cfg): Remove TODO_dump_func flag.
3797 * unwind-sjlj.c: Poison setjmp.
3798 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3799 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3800 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3801 (DONT_USE_BUILTIN_SETJMP): Document it.
3803 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3806 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3807 to 1 when __ppc64__ is defined.
3808 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3810 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3812 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3814 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3815 * config/ia64/unwind-hpux.c: Delete.
3817 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3819 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3820 on the element before gimplifying it, instead of punting if it is of
3823 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3825 * doc/loop.texi: New file.
3826 * doc/gccint.texi: Reference loop.texi.
3827 * Makefile.in (loop.texi): Add.
3829 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3831 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3833 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3834 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3836 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3838 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3840 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3842 * doc/install.texi: Document required versions of GMP and MPFR.
3844 2006-09-27 Paul Brook <paul@codesourcery.com>
3847 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3849 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3851 * reload1.c (alter_reg): Require the alignment of the stack slot to
3852 be at least reg_max_ref_width bytes.
3853 (scan_paradoxical_subregs): Record the largest width in
3856 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3860 * tree-nested.c (struct nesting_info): Added static_chain_added.
3861 (convert_call_expr): Set static_chain_added when adding static
3862 chain. Handle OMP_PARALLEL and OMP_SECTION.
3864 2006-09-25 Matthias Klose <doko@debian.org>
3866 * doc/invoke.texi: Add missing full stop.
3868 2006-09-25 Richard Henderson <rth@redhat.com>
3870 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3871 before cgraph_function_flags_ready.
3873 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3874 Adam Nemet <anemet@caviumnetworks.com>
3876 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3877 determine_common_wider_type): New functions.
3878 (get_computation_aff): Use them to simplify arithmetic between
3879 UBASE and CBASE if they are shortened from the same type.
3881 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3884 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3885 -2147483647 - 1 instead of 0x80000000.
3887 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3889 * flags.h (HONOR_NANS): Fix typo in comment.
3891 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3893 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3895 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3899 * tree.c (merge_attributes, attribute_list_contained): If both
3900 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3902 * c-typeck.c (comptypes_internal): Don't consider aggregates
3903 in different TUs as compatible if there one set of attributes is
3904 not a subset of the other type's attributes.
3905 (composite_type): Try harder not to create a new aggregate type.
3907 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3909 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3910 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3911 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3912 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3913 than replicating condition above.
3914 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3916 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3917 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3918 the linker by default.
3920 2006-09-22 Mike Stump <mrs@apple.com>
3922 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3925 2006-09-22 Richard Guenther <rguenther@suse.de>
3928 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3929 sort of stack variables stable.
3931 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3934 * explow.c (force_reg): Set REG_POINTER flag according to
3937 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3939 PR tree-optimization/28888
3940 * tree-if-conv.c (combine_blocks): Rewritten.
3941 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3942 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3944 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3946 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3949 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3951 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3953 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3955 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3957 2006-09-21 Roger Sayle <roger@eyesopen.com>
3960 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3961 dw_fde_current_label, to be the start of the function, i.e. the same
3962 value as dw_fde_begin.
3964 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3966 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3967 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3968 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3969 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3970 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3971 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3972 (abs<mode>2, neg<mode>2): Likewise.
3973 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3974 (*mips_abs_ps): New define_insn.
3976 2006-09-20 Josh Conner <jconner@apple.com>
3979 * calls.c (expand_call): Allow reuse of structure return stack
3982 2006-09-20 Paul Brook <paul@codesourcery.com>
3984 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3987 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3989 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3990 clean up terminology.
3992 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3995 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3996 with tablejumps in them.
3998 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4001 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4002 wrap it into TARGET_EXPR.
4004 2006-09-20 Eric Christopher <echristo@apple.com>
4006 * config/i386/i386.c (x86_fisttp): Remove.
4007 * config/i386/i386.h (x86_fisttp): Ditto.
4008 (TARGET_FISTTP): Ditto.
4010 2006-09-19 Eric Christopher <echristo@apple.com>
4012 * doc/tm.texi (OBJC_JBLEN): Describe.
4013 * config/i386/darwin.h (OBJC_JBLEN): Define.
4014 * config/rs6000/darwin.h: Ditto.
4016 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4018 PR rtl-optimization/21299
4019 * reload1.c (reload): Purge invalid ASMs in the final pass.
4021 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4024 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4025 pointers as legitimate constants.
4027 2006-09-19 Paul Brook <paul@codesourcery.com>
4030 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4032 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4034 PR tree-optimization/28887
4035 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4036 component parts from the reference.
4037 (gather_memory_references_ref): Record the reference without the
4038 nonaddressable component parts.
4040 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4043 * c-opts.c (c_common_handle_option): Ignore the -std options
4044 if the input language is assembly.
4046 2006-09-17 Ira Rosen <irar@il.ibm.com>
4049 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4051 (ptr_ptr_may_alias_p): Likewise.
4052 (record_record_differ_p): New function.
4053 (base_object_differ_p): Call record_record_differ_p.
4055 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4058 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4059 away for the expr argument.
4061 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4064 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4065 before using it for dumping after vectorizing loops.
4067 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4068 Jack Howarth <howarth@bromo.med.uc.edu>
4071 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4072 skip on error_mark_node.
4073 (rs6000_darwin64_record_arg_recurse): Likewise.
4075 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4077 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4078 * doc/rtl.texi: Remove related documentation.
4080 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4082 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4085 2006-09-15 Jim Wilson <wilson@specifix.com>
4087 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4088 Handle symbol offsets same as they are handled in ia64_expand_move
4091 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4093 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4094 Add forgotten parameter to the fprintf call.
4096 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4098 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4100 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4102 * doc/contrib.texi: Add my entry.
4104 2006-09-15 Nick Clifton <nickc@redhat.com>
4106 * doc/md.texi (Processor pipeline description): Fix typo in
4107 example of how to use the absence_set directive and reword the
4108 description to make it slightly easier to read.
4110 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4112 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4113 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4114 expanding the number of iterations.
4115 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4117 * cfgrtl.c (emit_insn_at_entry): New function.
4118 * rtl.h (emit_insn_at_entry): Declare it.
4119 * integrate.c (emit_initial_value_sets): Use it.
4121 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4123 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4125 (struct loop_work and related VEC declarations): Delete.
4126 (bfin_dump_loops): Print out new member bad.
4127 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4128 (bfin_scan_loop): Don't recurse.
4129 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4130 loops. No longer need to update outer loops if the current one is
4131 found bad. Move some validitiy checks to bfin_discover_loop.
4132 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4133 but changed not to check for nesting. Also changed to use the new bad
4135 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4136 time. Use bitmap based test to discover loop nesting.
4138 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4140 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4143 2006-09-14 Richard Guenther <rguenther@suse.de>
4144 Kazu Hirata <kazu@codesourcery.com>
4146 PR middle-end/28884.
4147 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4148 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4149 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4150 with TARGET_FUNCTION_VALUE.
4152 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4155 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4157 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4159 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4162 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4165 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4168 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4170 * basic_block.h (bb_has_eh_pred): Fix comment.
4172 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4174 * flow.c (calculate_global_regs_live): Invalidate eh registers
4175 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4176 (propagate_block): Handle eh registers as if they were set at basic
4178 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4180 * global.c (global_conflicts): Make eh registers to conflict with
4181 pseudos live at basic block begin.
4182 * basic_block.h (bb_has_eh_pred): New function.
4184 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4186 PR rtl-optimization/28982
4187 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4188 index of a PRE_MODIFY or POST_MODIFY address.
4189 * reload1.c (inc_for_reload): Use find_replacement on the original
4190 base and index registers.
4192 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4194 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4195 for -Os. Update __m128 alignment requirement.
4197 2006-09-13 Jan Hubicka <jh@suse.cz>
4199 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4201 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4203 PR rtl-optimization/28243
4204 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4205 the insn to which the note was originally attached.
4207 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4208 Roger Sayle <roger@eyesopen.com>
4210 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4211 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4212 on platforms that don't use dwarf for debug info.
4214 2006-09-12 Jason Merrill <jason@redhat.com>
4217 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4218 hard_frame_pointer_rtx after using it to update the frame pointer.
4220 2006-09-12 Roger Sayle <roger@eyesopen.com>
4222 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4223 (TARGET_ASM_CLOSE_PAREN): Likewise.
4224 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4225 (TARGET_ASM_CLOSE_PAREN): Likewise.
4227 2006-09-12 Roger Sayle <roger@eyesopen.com>
4230 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4231 frame information for frames larger than 512 Kbytes on Tru64 when
4232 using the native assembler.
4234 2006-09-12 Roger Sayle <roger@eyesopen.com>
4238 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4239 and symbols. Instead use the implementation from cse.c's hash_rtx.
4241 2006-09-12 Jan Hubicka <jh@suse.cz>
4243 PR rtl-optimization/28071
4244 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4245 (vect_transform_loop): Likewise.
4246 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4247 (new_loop_vec_info): Likewise.
4248 (destroy_loop_vec_info): Likewise.
4249 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4250 (create_stmt_ann): Likewise.
4251 (create_tree_ann): Rename to ...
4252 (create_tree_common_ann): ... this one; allocate only the common part
4254 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4255 (get_value_handle): Likewise.
4256 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4257 get_tree_common_ann.
4258 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4259 (vinfo_for_stmt): Use stmt annotations.
4260 * tree-flow.h (tree_ann_common_t): New type.
4261 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4262 (tree_ann, get_tree_ann, create_tree_ann): New.
4263 * tree-flow-inline.h (get_function_ann): Do more type checking.
4264 (stmt_ann): Likewise.
4265 (tree_ann): Rename to ...
4266 (tree_common_ann): ... this one; return ony common_ann
4267 (get_tree_ann): Rename to ...
4268 (tree_common_ann): This one; return only common_ann.
4269 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4272 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4274 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4275 with_cpu by default.
4277 * dwarf2out.c (dwarf_file_data): New.
4278 (enum dw_val_class): Add dw_val_class_file.
4279 (struct dw_val_struct): Add val_file.
4280 (file_table): Change to a hash table.
4281 (file_table_emitted): Delete.
4282 (file_table_last_lookup_index): Delete.
4283 (emitcount): Delete.
4284 (last_emitted_file): New.
4285 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4286 (init_file_table): Delete.
4287 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4288 (AT_addr): Add comment.
4292 (print_die): Handle dw_val_class_file.
4293 (print_dwarf_line_table): Update for new file table structure.
4294 (attr_checksum): Do checksum a filename.
4295 (same_dw_val_p, same_attr_p): Do compare a filename.
4296 (size_of_die): Handle dw_val_class_file.
4297 (value_format): Likewise.
4298 (output_die): Likewise. Also, call maybe_emit_file here.
4299 (struct file_info): Constify filenames. Make file_idx a pointer
4300 to a struct dwarf_file_data.
4301 (struct dir_info): Constify directory names. Remove 'used' field.
4302 (struct file_name_acquire_data): New.
4303 (file_name_acquire): New.
4304 (output_file_names): Modify to handle new file data structures.
4305 (add_src_coords_attributes): Use add_AT_file.
4306 (add_call_src_coords_attributes): Likewise.
4307 (dwarf2out_imported_module_or_decl): Likewise.
4308 (gen_subprogram_die): Modify for new file data structures.
4309 (gen_variable_die): Likewise.
4310 (file_table_eq): New.
4311 (file_table_hash): New.
4312 (file_table_last_lookup): New.
4313 (lookup_filename): Rewrite to handle new file data structures.
4314 (maybe_emit_file): Rewrite to handle new file data structures.
4315 (dwarf2out_source_line): Always call lookup_filename and
4317 (dwarf2out_init): Create file_table here.
4318 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4319 (file_table_relative_p): New.
4320 (dwarf2out_finish): Change detection of relative filenames
4321 to work with new file data structures. Move output_line_info call
4322 after debug_info output.
4324 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4329 * config/i386/i386.c (override_options): Always default to 16
4330 byte stack boundary.
4332 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4335 * var-tracking.c (dump_dataflow_set): Start dumping at
4337 (clobber_variable_part): Kill only the variable part in
4338 registers holding it, leaving other variables alone.
4340 2006-09-11 Josh Triplett <josh@freedesktop.org>
4342 * doc/extend.texi (Other Builtins): Actually use the macro
4343 argument in the documentation example for
4344 __builtin_types_compatible_p.
4346 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4348 PR rtl-optimization/28726
4349 * sched-deps.c (sched_analyze_reg): New function extracted from...
4350 (sched_analyze_1): ...here. Call it to analyze references to
4351 registers. Treat again writes to a stack register as writing to the
4353 (sched_analyze_2): ...and here. Call it to analyze references to
4354 registers. Treat again reads of a stack register as reading the
4357 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4358 David Edelsohn <edelsohn@gnu.org>
4361 * config/rs6000/spe.md (frob_df_di): Remove %H.
4362 (frob_di_df): Remove %H. Change evmergelo to mr.
4363 (frob_di_df_2): Remove %H. Change evldd to two loads.
4365 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4367 * doc/cpp.texi: Fix names of charset options.
4369 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4372 * config/i386/i386.c (override_options): Use 128-bit
4373 stack boundary always for 64bits.
4375 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4377 PR rtl-optimization/28636
4378 * combine.c (force_to_mode): Test for side-effects before
4379 substituting by zero.
4380 (simplify_shift_const): Likewise for zero or other constants.
4382 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4385 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4388 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4391 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4392 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4393 returned by mode_for_size, rather than the mode of src itself,
4394 to choose between 32-bit and 64-bit patterns.
4395 (mips_mem_fits_mode_p): New function.
4396 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4397 that the size of the source matches the size of the destination.
4398 (mov_<store>l, mov_<store>r): Likewise.
4400 2006-09-10 Eric Christopher <echristo@apple.com>
4402 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4405 2006-09-09 Eric Christopher <echristo@apple.com>
4408 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4411 2006-09-09 Roger Sayle <roger@eyesopen.com>
4412 Nicolas Setton <setton@adacore.com>
4414 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4416 2006-09-10 Andreas Schwab <schwab@suse.de>
4418 * config/m68k/m68k.md (bungt_rev): New pattern.
4420 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4421 Dale Johannesen <dalej@apple.com>
4424 * regclass.c (struct reg_pref): Update documentation.
4425 (regclass): Set prefclass to NO_REGS if memory is the best option.
4426 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4428 2006-09-08 Eric Christopher <echristo@apple.com>
4430 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4431 * config/t-slibgcc-darwin: Support x86_64 multilib.
4432 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4433 Return 1 for x86_64-darwin.
4434 * config/i386/t-darwin: Add m64 multilib.
4435 (LIB2_SIDITI_CONV_FUNCS): Use.
4436 (LIB2FUNCS_EXTRA): Ditto.
4437 * config/i386/darwin.h: Support x86_64.
4438 * config/i386/i386.c (override_options): Turn on flag_pic
4439 for x86_64-darwin. Disable flag_omit_pointer.
4440 (get_pc_thunk_name): Assert !TARGET_64BIT.
4441 (legitimate_address_p): Disable machopic addressing for
4443 (legitimize_pic_address): Ditto.
4444 (ix86_expand_move): Ditto.
4445 (ix86_expand_call): Ditto.
4446 (machopic_output_stub): Ditto.
4447 * config/darwin.c (machopic_select_section): Support literal16.
4448 (machopic_select_rtx_section): Ditto.
4449 * config/darwin-sections.def: Ditto.
4450 * config/darwin-64.c: New.
4452 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4455 * c-tree.h (struct c_arg_info): Add pending_sizes.
4456 * c-parser.c (c_parser_parms_declarator,
4457 c_parser_parms_list_declarator): Initialize pending_sizes.
4458 * c-decl.c (get_parm_info): Initialize pending_sizes.
4459 (get_parm_info): Set pending_sizes.
4460 (grokdeclarator): Call put_pending_sizes for parameters for
4461 function definition only.
4463 2006-09-07 Jason Merrill <jason@redhat.com>
4466 * varasm.c (output_constant): Only strip actual no-op conversions.
4469 * config/i386/i386.c (override_options): Use 128-bit
4470 stack boundary if -msse.
4472 2006-09-07 Eric Christopher <echristo@apple.com>
4474 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4476 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4479 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4481 * dwarf2out.c: Remove strange characters from comment above
4482 dwarf2out_frame_debug_expr.
4484 2006-09-07 Eric Christopher <echristo@apple.com>
4486 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4487 * config/darwin.h: ... to here.
4489 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4491 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4493 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4494 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4496 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4497 TARGET_PARTIAL_FLAG_REG_STALL.
4498 (*ashldi3_cconly_rex64): Likewise.
4499 (*ashlsi3_cmp): Likewise.
4500 (*ashlsi3_cconly): Likewise.
4501 (*ashlsi3_cmp_zext): Likewise.
4502 (*ashlhi3_cmp): Likewise.
4503 (*ashlhi3_cconly): Likewise.
4504 (*ashlqi3_cmp): Likewise.
4505 (*ashlqi3_cconly): Likewise.
4506 (*ashrdi3_cmp_rex64): Likewise.
4507 (*ashrdi3_cconly_rex64): Likewise.
4508 (*ashrsi3_cmp): Likewise.
4509 (*ashrsi3_cconly): Likewise.
4510 (*ashrsi3_cmp_zext): Likewise.
4511 (*ashrhi3_cmp): Likewise.
4512 (*ashrhi3_cconly): Likewise.
4513 (*ashrqi3_cmp): Likewise.
4514 (*ashrqi3_cconly): Likewise.
4515 (*lshrdi3_cmp_rex64): Likewise.
4516 (*lshrdi3_cconly_rex64): Likewise.
4517 (*lshrsi3_cmp): Likewise.
4518 (*lshrsi3_cconly): Likewise.
4519 (*lshrsi3_cmp_zext): Likewise.
4520 (*lshrhi3_cmp): Likewise.
4521 (*lshrhi3_cconly): Likewise.
4522 (*lshrqi2_cmp): Likewise.
4523 (*lshrqi2_cconly): Likewise.
4525 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4528 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4529 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4530 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4531 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4532 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4533 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4534 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4535 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4536 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4537 implement only CC setting effects of shift instructions.
4539 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4541 * doc/contrib.texi: Add myself.
4543 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4546 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4547 was set by the user.
4549 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4552 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4553 (divsi_inv_m1): Use them.
4554 (UNSPEC_DIV_INV_TABLE): New constant.
4556 2006-09-06 James E Wilson <wilson@specifix.com>
4559 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4560 then call count_or_remove_death_notes.
4562 2006-09-06 Jason Merrill <jason@redhat.com>
4565 * tree-inline.c (copy_result_decl_to_var): New fn.
4566 (declare_return_variable): Use it. Call declare_inline_vars here.
4567 (expand_call_inline): Not here.
4569 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4571 * doc/contrib.texi: Update my entry.
4573 2006-09-06 Nick Clifton <nickc@redhat.com>
4575 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4577 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4580 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4581 (canonicalize_induction_variables): Likewise.
4582 (tree_unroll_loops_completely): Likewise.
4583 (tree_ssa_prefetch_arrays): Likewise.
4584 (remove_empty_loops): Likewise.
4585 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4586 TODO_cleanup_cfg instead of directly calling
4587 cleanup_tree_cfg_loop.
4588 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4590 (tree_unroll_loops_completely): Likewise.
4591 (remove_empty_loops): Likewise.
4592 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4593 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4594 of tree_ssa_unswitch_loops.
4595 (tree_ssa_loop_ivcanon): Use the return value of
4596 canonicalize_induction_variables.
4597 (tree_ssa_empty_loop): Use the return value of
4599 (tree_complete_unroll): Use the return value of
4600 tree_unroll_loops_completely.
4601 (tree_ssa_loop_prefetch): Use the return value of
4602 tree_ssa_prefetch_arrays.
4603 * passes.c (execute_todo): Before Cleanup CFG, set
4604 updating_used_alone and after cleanup CFG, call
4605 recalculate_used_alone.
4607 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4610 * tree-vect-transform.c (vectorizable_condition): Move the check
4611 for the type after the check for simple condition.
4613 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4614 Kaz Kojima <kkojima@gcc.gnu.org>
4617 * mode-switching.c (optimize_mode_switching): Make the destination
4618 block of an abnormal edge have no anticipatable mode. Don't
4619 insert mode switching code at the end of the source block of
4622 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4624 PR rtl-optimization/26847
4625 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4626 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4627 (simplify_plus_minus): Count n_constants while filling ops. Replace
4628 qsort with insertion sort. Before going through the array to simplify
4629 pairs, sort it. Delay early exit until after the first sort, exiting
4630 only if no swaps occurred. Simplify pairs in reversed order, without
4631 special-casing the first iteration. Pack ops after simplifying pairs.
4633 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4635 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4636 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4637 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4638 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4640 2006-09-05 Richard Guenther <rguenther@suse.de>
4642 PR tree-optimization/28900
4643 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4644 compound conditional before creating COND_EXPR condition.
4646 2006-09-05 Richard Guenther <rguenther@suse.de>
4648 PR tree-optimization/28905
4649 * tree-vrp.c (fix_equivalence_set): Manually implement
4650 !value_ranges_intersect_p to also handle symbolic ranges.
4652 2006-09-05 Richard Guenther <rguenther@suse.de>
4655 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4658 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4660 PR rtl-optimization/27616
4661 * cse.c (table_size): New static variable.
4662 (new_basic_block): Initialize it to 0.
4663 (remove_from_table): Decrement it.
4664 (insert): Increment it.
4665 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4666 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4667 fold_rtx_mem_1 if under the cap.
4668 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4669 the lookup of the equivalent expression and test for equality of the
4670 first operand of the equivalent expression before in turn looking up
4671 an equivalent constant for the second operand.
4673 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4676 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4677 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4678 pointer, instead of assuming it is possible to derive the
4679 correct args size from a call insn.
4681 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4684 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4685 (fold_builtin_mempcpy): Rename to...
4686 (fold_builtin_memory_op): ... this. Optimize one element copy
4688 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4690 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4691 (expand_builtin_memcpy, expand_builtin_mempcpy,
4692 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4693 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4694 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4695 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4697 2006-09-01 DJ Delorie <dj@redhat.com>
4699 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4700 (stzx_16): Likewise.
4701 ("stzx_24_<mode>"): Likewise.
4702 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4703 ("cmp<mode>_op"): New.
4704 (cmp<mode>): Change to expander; just save operands.
4706 (b<code>): Change to expander, emit compare here.
4707 (s<code>_op): Change to use split and expander.
4708 (s<code>_24_op): Likewise.
4709 (s<code>_<mode>): New.
4710 (s<code>_<mode>_24): New.
4711 (movqicc_<code>_<mode): New.
4712 (movhicc_<code>_<mode>): New.
4715 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4716 (m32c_pend_compare): New.
4717 (m32c_unpend_compare): New.
4718 (m32c_expand_scc): New.
4719 (m32c_expand_movcc): Emit the compare also.
4720 * config/m32c/predicates.md (mra_nopp_operand): New.
4722 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4723 Richard Guenther <rguenther@suse.de>
4724 Adam Nemet <anemet@caviumnetworks.com>
4727 * builtins.c (get_pointer_alignment): Handle more forms
4728 of base addresses that can be used to derive more precise
4729 information about alignment.
4731 2006-09-01 Jason Merrill <jason@redhat.com>
4734 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4737 * gimplify.c (voidify_wrapper_expr): Handle null type.
4739 2006-09-01 Josh Conner <jconner@apple.com>
4742 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4743 (execute_return_slot_opt): Use it.
4745 2006-08-31 Josh Conner <jconner@apple.com>
4748 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4749 returning aggregates.
4751 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4753 PR tree-optimization/28839
4754 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4755 blocks in that phi arguments appear.
4757 2006-08-31 Roger Sayle <roger@eyesopen.com>
4760 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4761 NULL, otherwise use an advance_loc4 to adjust relative to the
4763 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4764 (dwarf2out_switch_text_section): Reset the current label to avoid
4765 using advance_loc4 over section boundaries.
4767 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4770 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4771 r12 + SYMBOLIC_CONST.
4773 2006-08-30 Richard Guenther <rguenther@suse.de>
4775 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4777 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4779 PR rtl-optimization/27735
4780 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4781 Add new argument to keep track of whether an irreducible region
4782 was affected. All callers changed.
4783 (fix_irreducible_loops): Removed.
4784 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4785 flags were invalidated.
4787 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4789 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4790 instead of SF operands.
4791 (*fop_df_comm_sse): Likewise.
4792 (*fop_df_comm_i387): Likewise.
4793 (*fop_df_1_mixed): Likewise.
4794 (*fop_df_1_sse): Likewise.
4796 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4797 J"orn Rennecke <joern.rennecke@st.com>
4799 PR tree-optimization/17506
4800 * tree-ssa.c (warn_uninit): If warning about a location outside of
4801 the current function, note where the variable was declared.
4803 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4805 PR tree-optimization/28411
4806 * double-int.c (double_int_div): Use double_int_divmod.
4807 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4808 double_int_mod, double_int_smod, double_int_umod): New functions.
4809 * double-int.h (double_int_divmod, double_int_sdivmod,
4810 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4812 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4814 (get_computation_aff, get_computation_cost_at): Handle double_int
4815 return type of constant_multiple_of.
4817 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4820 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4821 an implicit conversion.
4823 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4825 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4827 2006-08-27 Roger Sayle <roger@eyesopen.com>
4829 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4832 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4834 * config/i386/crtfastmath.c: Fix a comment typo.
4836 2006-08-26 Roger Sayle <roger@eyesopen.com>
4838 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4839 temporary visit flags on CASE_LABEL_EXPRs.
4840 * c-common.c (match_case_to_enum): Add function comment. Avoid
4841 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4842 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4843 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4844 a constant, only warn if that constant value isn't handled.
4846 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4849 * input.h (restore_input_file_stack): Declare.
4850 (INPUT_FILE_STACK_BITS): Define.
4851 * toplev.c (fs_p, input_file_stack_history,
4852 input_file_stack_restored, restore_input_file_stack): New.
4853 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4854 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4855 (pop_srcloc): Don't free old state of stack.
4857 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4860 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4861 (PowerPC Type Attributes): New.
4863 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4865 * config/xtensa/xtensa.c (function_arg_boundary): New.
4866 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4868 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4869 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4871 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4874 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4877 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4879 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4880 (verify_local_live_at_start): Likewise.
4882 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4885 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4886 omp_add_variable): Treat sizes as variable whenever not
4889 2006-08-26 Richard Guenther <rguenther@suse.de>
4892 * fold-const.c (fold_binary): Fold temporary to correct
4893 type before constructing new comparison.
4895 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4898 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4899 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4901 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4904 * c-decl.c (start_function): Don't try to process prototype
4905 information from old declaration that isn't a function.
4907 2006-08-25 Jan Hubicka <jh@suse.cz>
4910 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4912 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4915 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4918 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4920 PR tree-optimization/16876
4921 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4922 exit if PARM doesn't match VALUE.
4924 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4926 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4927 literal_prefix directive.
4928 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4929 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4930 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4932 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4935 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4936 predicate to general_operand. Add 0->y and I->r alternatives.
4938 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4940 * doc/tm.texi: Fix a typo.
4941 * predict.c: Fix comment typos.
4943 2006-08-25 Nick Clifton <nickc@redhat.com>
4945 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4946 assertions of "cpu" and "machine".
4948 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4951 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4952 the access through a base which has an alias set of 0 cannot
4955 2006-08-24 Bill Wendling <wendling@apple.com>
4957 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4959 2006-08-24 Jan Hubicka <jh@suse.cz>
4961 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4963 2006-08-24 Jan Hubicka <jh@suse.cz>
4966 * cgraph.c: Fix comments.
4967 (cgraph_varpool_mark_needed_node): Mark only variables not already
4969 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4970 (cgraph_varpool_assembled_nodes_queue): New static variable.
4971 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4972 (cgraph_varpool_output_debug_info): New function.
4973 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4974 * Makefile.in: Add gt-cgraphunit.h
4976 2006-08-24 Jan Hubicka <jh@suse.cz>
4978 * predict.c (probability_reliable_p): New predicate.
4979 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4980 (predict_loops): Do not predict loop exit with less than 2%
4982 * basic-block.h (edge_probability_reliable_p,
4983 br_prob_note_reliable_p): Declare.
4984 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4985 prediction when static predictor is not reliable.
4986 * rs6000.c (output_cbranch): Likewise.
4988 2006-08-23 Stuart Hastings <stuart@apple.com>
4991 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4992 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4994 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4997 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4998 complex values, nor for generic vector values.
5000 2006-08-22 Richard Guenther <rguenther@suse.de>
5003 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5004 parameter. Convert arguments to arithmetic expression to the
5006 (analyze_scalar_evolution_1): Adjust caller.
5008 2006-08-22 Jan Hubicka <jh@suse.cz>
5010 Patch by Paolo Bonzini
5011 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5014 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5016 PR tree-optimization/28003
5017 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5018 before grouping aliases.
5020 2006-08-22 Roger Sayle <roger@eyesopen.com>
5022 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5023 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5025 2006-08-21 Jason Merrill <jason@redhat.com>
5028 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5029 wrapper. Loop to handle nested wrappers.
5030 (gimplify_bind_expr): Remove temp parameter.
5031 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5032 and STATEMENT_LIST on the rhs.
5033 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5034 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5035 (gimplify_target_expr): Remove special BIND_EXPR handling.
5037 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5039 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5042 2006-08-21 Olivier Hainque <hainque@adacore.com>
5044 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5045 Arrange for the temporary captures of components overlapping the lhs
5046 to happen before the lhs is possibly cleared.
5048 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5050 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5051 necessary places to pass the correct "number of registers" values
5054 2006-08-20 Jan Hubicka <jh@suse.cz>
5056 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5057 (create_name_tags): Instead of quadratic checking use hashtable.
5058 * bitmap.h: Include hashtab.h.
5059 (bitmap_hash): Declare.
5060 * bitmap.c (bitmap_hash): New function.
5062 2006-08-20 Jan Hubicka <jh@suse.cz>
5064 PR rtl-optimization/28071
5065 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5067 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5068 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5069 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5070 cgraph_decide_inlining_incrementally): Update use of
5071 cgraph_check_inline_limits.
5072 * cgraph.c (edge_hash, edge_eq): New function.
5073 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5074 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5075 cgraph_remove_node): Maintain call site hash.
5076 * cgraph.h (struct cgraph_node): Add call_site_hash.
5077 (cgraph_set_call_stmt): New function.
5079 2006-08-20 Jan Hubicka <jh@suse.cz>
5081 PR rtl-optimization/28071
5082 * reload1.c (reg_has_output_reload): Turn into regset.
5083 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5084 choose_reload_regs, emit_reload_insns): Update to new
5085 reg_has_output_reload.
5087 2006-08-20 Jan Hubicka <jh@suse.cz>
5090 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5091 function body sizes.
5092 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5094 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5097 * tree.c (handle_dll_attribute): Return early if not a
5098 var or function decl.
5100 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5103 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5104 alignment of SPE vector types.
5106 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5108 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5110 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5113 * cgraph.h (struct cgraph_node): Remove externally_visible
5115 * cgraphunit.c (process_function_and_variable_attributes): Set
5116 local.externally_visible rather than externally_visible.
5119 * c-common.c (handle_externally_visible_attribute): First look
5120 at TREE_CODE and only if it is function or var decl, check for
5121 non-public objects. Don't warn for DECL_EXTERNAL.
5122 * cgraphunit.c (process_function_and_variable_attributes): Warn
5123 if externally_visible attribute is used on non-public object.
5125 2006-08-17 Jan Hubicka <jh@suse.cz>
5127 PR tree-optimization/27865
5128 * reload1.c (forget_marked_reloads): New function.
5129 (forget_old_reloads_1): When data are passed, just mark the registers
5131 (reload_as_needed): Use the new mechanizm.
5133 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5136 * reload.h (reg_equiv_alt_mem_list): New declaration.
5137 * reload1.c (reg_equiv_alt_mem_list): New definition.
5138 (reload): Initialize it and release it.
5139 (delete_output_reload): Use it.
5140 * reload.c (push_reg_equiv_alt_mem): New function.
5141 (find_reloads_toplev): Call it.
5142 (find_reloads_address, find_reloads_address_1): Likewise.
5143 (find_reloads_subreg_address): Likewise.
5145 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5147 PR rtl-optimization/28489
5148 * sched-ebb.c (begin_schedule_ready): Create basic block
5150 (advance_target_bb): Skip empty blocks.
5151 * haifa-sched.c (bb_note): Make global.
5152 * sched-int.h (bb_note): Add prototype.
5154 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5156 PR tree-optimization/27865
5157 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5159 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5160 fold_used_pointer, pointer_used_p): New functions.
5161 (analyze_scalar_evolution_1): Use fold_used_pointer.
5162 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5163 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5166 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5169 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5170 or the INTEGER_CST. Fail on a CALL_EXPR.
5171 (fold_offsetof): Pass new argument to fold_offsetof_1.
5172 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5173 operand into an INDIRECT_REF.
5174 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5176 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5178 PR gcov/profile/26570
5179 * value-prof.c (static_values): Removed.
5180 (tree_find_values_to_profile): Do not set static_values.
5181 (find_values_to_profile): Do not free static_values.
5182 * profile.c (instrument_values): Do not free the values.
5183 (branch_prob): Free the values.
5185 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5187 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5189 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5192 * c-typeck.c (build_component_ref): Combine qualifiers of
5193 structure or union and field.
5195 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5197 PR rtl-optimization/28071
5198 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5199 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5200 * tree-into-ssa.c (struct dom_dfsnum): New.
5201 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5203 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5204 compute_global_livein.
5205 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5206 in phi nodes in the correct blocks.
5208 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5210 PR tree-optimization/28364
5211 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5213 (fold_affine_expr): New function.
5214 (may_eliminate_iv): Use fold_affine_expr.
5216 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5219 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5222 2006-08-16 Mike Stump <mrs@apple.com>
5224 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5225 * doc/cppopts.texi (-MD): Likewise.
5227 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5230 * c-common.c (handle_weak_attribute): Ignore and warn if
5231 not a FUNCTION_ or VAR_DECL.
5233 2006-07-15 Mike Stump <mrs@apple.com>
5236 * c-parser.c (c_parser_typeof_specifier): Don't use
5237 c_finish_expr_stmt, open code desired semantics instead.
5239 2006-08-15 Nick Clifton <nickc@redhat.com>
5241 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5242 fragment to tmake_file only if threads are enabled.
5243 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5244 * config/i386/t-gthr-win32: New file. ... here.
5246 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5249 * c-parser.c (c_parser_compound_statement_nostart): Reset
5250 parser->error after each statement.
5252 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5255 * omp-low.c (lower_omp_parallel): Convert t to
5256 receiver_decl's type.
5257 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5258 source before comparison.
5261 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5262 to itype in assignment to oldival2.
5264 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5268 * c-typeck.c (build_compound_expr): If the second expression
5269 is an error mark, then just return an error mark instead of
5270 creating a COMPOUND_EXPR.
5272 2006-07-14 Mike Stump <mrs@apple.com>
5274 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5276 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5278 * c-decl.c, var-tracking.c: Fix comment typos.
5280 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5282 PR rtl-optimization/28634
5283 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5284 for floating-point modes unless flag_unsafe_math_optimizations.
5286 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5287 Andrew Pinski <pinskia@physics.uc.edu>
5290 * tree.c (build_array_type): Unify array types with
5291 unspecified index_type.
5292 * c-decl.c (grokdeclarator): Make sure we do not modify a
5293 unified incomplete array type.
5294 * c-typeck.c (store_init_value): Create distinct type before
5295 filling in the index type in an initializer from a compound
5298 * c-decl.c (grokdeclarator): Remove code where we copy the
5301 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5303 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5304 into account for TODO_dump_cgraph.
5305 (TODO_update_ssa_no_phi): Likewise.
5306 (TODO_update_ssa_full_phi): Likewise.
5307 (TODO_update_ssa_only_virtuals): Likewise.
5308 (TODO_remove_unused_locals): Likewise.
5309 (TODO_set_props): Likewise.
5310 (TODO_update_stmt_usage): Likewise.
5312 2006-08-13 Dirk Mueller <dmueller@suse.de>
5314 * c-common.c (strict_aliasing_warning): Fix formatting.
5316 2006-08-13 Matthias Klose <doko@debian.org>
5318 * doc/invoke.texi: Fix spelling errors.
5320 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5322 PR rtl-optimization/23454
5323 * reorg.c (relax_delay_slots): Update comment.
5325 2006-08-11 Richard Guenther <rguenther@suse.de>
5328 * simplify-rtx.c (simplify_const_relational_operation):
5329 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5332 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5334 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5335 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5337 2006-08-10 Paul Brook <paul@codesourcery.com>
5339 * final.c (final_scan_insn): Clear current_insn_predicate before
5340 outputting inline asm.
5342 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5344 PR tree-optimization/26197
5345 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5346 get_ref_base_and_extent and overlap_subvar to add only relevant
5347 subvars as may-aliases.
5348 (add_may_alias_for_new_tag): New function, factored out of
5350 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5351 with additional argument.
5352 * tree-flow.h (new_type_alias): Takes additional argument.
5354 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5356 * gcov.c (no_data_file): New flag.
5357 (read_count_file): Set it if data file not present. Assume counts
5359 (output_lines): Don't name the data file, if there wasn't one.
5361 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5363 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5364 (rs6000_generate_compare): Tweak comments.
5365 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5367 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5369 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5370 (var_debug_decl): New function.
5371 (var_reg_set): Follow debug decl link. Add location even if
5372 reg is already known to hold some other variable.
5373 (var_mem_set): Follow debug decl link.
5374 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5375 decl link. Delete other known locations of the variable part
5377 (var_reg_delete, var_mem_delete): Delete other known locations
5378 of the variable part if requested.
5379 (same_variable_part_p): New function.
5380 (add_stores): Select MO_COPY when appropriate.
5381 (vt_initialize): Handle it.
5382 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5383 known locations for MO_SET and MO_CLOBBER.
5384 (find_variable_location_part): New function.
5385 (set_variable_part, delete_variable_part): Use it.
5386 (clobber_variable_part): New function.
5387 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5390 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5392 PR tree-optimization/26969
5393 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5394 with an empty list of PHIs.
5396 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5400 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5403 2006-08-06 Andreas Schwab <schwab@suse.de>
5405 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5406 string. Whitespace and comment fixup.
5408 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5411 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5415 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5418 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5420 2006-08-04 Jan Hubicka <jh@suse.cz>
5424 * reload.c (push_reload): Patch out the mismatching instruction;
5426 (find_reload): Bail out if the instruction was patched out.
5428 2006-08-04 Jan Hubicka <jh@suse.cz>
5430 PR tree-optimization/24888
5431 * tree-inline.c (expand_call_inline): Do not re-record variables.
5432 (declare_inline_vars): Add variable to unexpanded_var_list.
5434 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5435 Roger Sayle <roger@eyesopen.com>
5437 PR rtl-optimization/26244
5438 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5439 inner_const are negative or greater than or equal to the bitsize of
5440 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5441 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5442 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5443 CONST0_RTX (mode) when the new shift count is greater than or equal to
5444 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5447 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5449 * tree-cfg.c: Fix a comment typo.
5451 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5454 * varasm.c (output_constant): Give the front end another chance to
5455 expand constants, after stripping NOPs.
5457 2006-08-03 Jan Hubicka <jh@suse.cz>
5459 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5462 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5464 PR tree-optimization/27770
5465 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5466 declaration removed (moved to tree-flow.h).
5467 (vect_can_force_dr_alignment_p): Likewise.
5468 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5469 (moved from tree-vectorizer.h).
5470 (vect_can_force_dr_alignment_p): Likewise.
5471 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5472 from outside the vectorizer - in particular from cgraph stage.
5473 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5474 the alignment of global arrays when -fsection-anchors is enabled.
5475 * cgraphunit.c (cgraph_increase_alignment): New function.
5476 (cgraph_optimize): Call cgraph_increase_alignment.
5478 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5481 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5482 not reload a SPE symbol_ref into a lo_sum address.
5484 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5487 * dwarf2out.c (prune_unused_types_prune): Move call to
5488 prune_unused_types_update_strings to cover the parent DIE also.
5490 2006-08-02 Jan Hubicka <jh@suse.cz>
5492 PR gcov/profile/28480
5493 * tree-cfg.c (change_bb_for_stmt): New function.
5494 (tree_merge_blocks, tree_split_blocks): Use it.
5496 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5502 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5503 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5504 (cgraph_optimize): Likewise.
5506 2006-08-01 Stuart Hastings <stuart@apple.com>
5508 * rtl.h (UINTVAL) New.
5509 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5510 * testsuite/gcc.dg/20060801-1.c: New.
5512 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5515 * c-typeck.c (build_external_type): Mark used enum types.
5516 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5518 (gen_subprogram_die): Whitespace fix.
5520 2006-08-01 Jan Hubicka <jh@suse.cz>
5522 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5523 bitmap when not needed.
5524 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5527 2006-08-01 Dirk Mueller <dmueller@suse.de>
5529 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5531 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5533 * Makefile.in: Revert part of previous patch:
5534 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5537 2006-07-30 Eric Christopher <echristo@apple.com>
5540 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5541 (PowerPC Variable Attributes): New section.
5543 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5545 PR target/28126 (partial fix)
5546 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5548 2006-07-28 Jan Hubicka <jh@suse.cz>
5550 PR rtl-optimization/28071
5551 * cfgrtl.c (rtl_delete_block): Free regsets.
5552 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5554 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5556 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5557 and variables used in dependencies.
5559 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5561 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5562 %fs for -mcmodel=kernel.
5563 (stack_tls_protect_test_di): Likewise.
5565 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5567 * Makefile.in: Use mkinstalldirs.
5569 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5572 * opts-common.c (prune_options): Skip joined switches.
5574 2006-07-27 Jan Hubicka <jh@suse.cz>
5576 PR rtl-optimization/28071
5577 * cselib.c (cselib_process_insn): Don't remove useless values too
5578 often for very large hashtables.
5580 2006-07-27 Jan Hubicka <jh@suse.cz>
5582 PR rtl-optimization/28071
5583 * global.c (greg_obstack): New obstack.
5584 (allocate_bb_info): Use it.
5585 (free_bb_info): Likewise.
5586 (modify_reg_pav): Likewise.
5588 2006-07-27 Roger Sayle <roger@eyesopen.com>
5590 * builtins.c (fold_fixed_mathfn): When long and long long are the
5591 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5592 functions to their lceil*, lfloor*, lround* and lrint* forms.
5594 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5597 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5599 (rev_branch_insn): Likewise.
5601 2006-07-27 Jan Hubicka <jh@suse.cz>
5603 PR rtl-optimization/28071
5604 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5605 (reg_set_in_bb, max_reg_computed): New static variables.
5606 (regmove_optimize): Free the new array.
5607 (fixup_match_1): Update call of reg_is_remote_constant_p.
5609 2006-07-26 Jan Hubicka <jh@suse.cz>
5611 PR tree-optimization/27882
5612 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5614 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5616 (cgraph_analyze_compilation_unit): Likewise.
5617 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5618 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5619 (cgraph_early_inlinine): Make order garbage collected.
5620 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5622 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5624 * dbxout.c (output_types_sort): Add a comment.
5625 (output_used_types): Free the VEC.
5627 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5629 * function.c (reorder_fix_fragments): Delete.
5630 (reorder_blocks): Don't call it.
5631 (reorder_blocks_1): Put all subblocks under the origin block.
5633 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5635 PR rtl-optimization/27907
5636 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5639 2006-07-25 Roger Sayle <roger@eyesopen.com>
5642 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5643 bar(x) check that bar's result type can represent all the values of T.
5645 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5647 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5649 2006-07-25 Nick Clifton <nickc@redhat.com>
5651 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5652 size_lookup[] array.
5653 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5654 (ggc_pch_count_object): Likewise.
5655 (ggc_pch_alloc_object): Likewise.
5656 (ggc_pch_write_object): Likewise.
5657 (init_ggc): Do not attempt to initialize entries in the
5658 size_lookup[] array for objects whose size is greater than than
5659 the length of the array.
5661 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5663 * dbxout.c (output_used_types_helper): Push queued types
5665 (output_types_sort): New.
5666 (output_used_types): Collect used types on a VEC and sort them
5669 2006-07-24 Richard Guenther <rguenther@suse.de>
5672 * cgraph.c (cgraph_remove_node): Do not check if dumps
5674 * cgraphunit.c (cgraph_optimize): Likewise.
5676 2006-07-24 Jan Hubicka <jh@suse.cz>
5678 PR rtl-optimization/28071
5679 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5680 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5681 splitting before first stmt.
5683 2006-07-24 Jan Hubicka <jh@suse.cz>
5685 PR rtl-optimization/28071
5686 * ipa-inline.c (update_caller_keys): Remove edges that
5687 are no longer inline candidates.
5689 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5692 * dbxout.c (output_used_types_helper, output_used_types): New.
5693 (dbxout_symbol): Call output_used_types.
5695 2006-07-23 Jan Hubicka <jh@suse.cz>
5699 * cgraph.c (cgraph_varpool_nodes): Export.
5700 (decide_is_variable_needed): Ignored "used" attribute in
5701 unit-at-a-time mode.
5702 * cgraph.h (cgraph_varpool_nodes): Declare.
5703 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5704 unit-at-a-time mode.
5706 2006-07-23 Roger Sayle <roger@eyesopen.com>
5709 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5710 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5711 the __gthrw form of thr_keycreate.
5712 (__gthread_key_delete): Silence the unused argument warning.
5714 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5717 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5718 Cache the last found '\0' marker to avoid quadratic behavior.
5720 2006-07-23 Jan Hubicka <jh@suse.cz>
5722 * i386.md (subsi_3_zext): Fix output template.
5724 2006-07-21 Mike Stump <mrs@apple.com>
5726 * doc/invoke.texi (C++ Dialect Options): Note that
5727 -fvisibility-inlines-hidden doesn't affect explicitly
5728 instantiationed inline methods.
5730 2006-07-20 Roger Sayle <roger@eyesopen.com>
5732 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5733 if the target assembler is GNU binutils' gas.
5734 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5735 whether to pass GNU gas or native as command line options.
5737 2006-07-20 Jason Merrill <jason@redhat.com>
5739 * tree.c (remove_attribute): New fn.
5740 * tree.h: Declare it.
5742 2006-07-20 Paul Brook <paul@codesourcery.com>
5745 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5746 they are invalidated by this instruction.
5748 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5751 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5753 2006-07-20 Eric Christopher <echristo@apple.com>
5756 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5758 2006-07-19 Eric Christopher <echristo@apple.com>
5760 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5761 Rewrite dependencies for libgcc_s.1.dylib.
5763 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5765 * except.c (duplicate_eh_regions_1): Clear next_peer.
5767 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5769 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5770 -mlongcall does not guarantee all calls will be long.
5771 * doc/extend.texi (long_call/short_call): Document that longcall
5772 does not guarantee a long call will be used.
5773 (longcall/shortcall): Likewise.
5775 2006-07-18 Roger Sayle <roger@eyesopen.com>
5778 * expmed.c (expand_shift): Additionally check that the shift_cost
5779 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5780 before implementing a LSHIFT_EXPR as a sequence of additions.
5781 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5782 middle-end that DImode shifts need to be synthesized by expand.
5784 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5787 * tree-ssa-operands.c (access_can_touch_variable): Update
5789 Return true if ALIAS is .GLOBAL_VAR.
5791 2006-07-18 David Daney <ddaney@avtrex.com>
5793 * gcc.c (display_help): Fix typo in help text.
5795 2006-07-18 Olivier Hainque <hainque@adacore.com>
5797 * tree.h (categorize_ctor_elements): Adjust prototype and add
5798 descriptive comment, both in accordance with the interface change
5800 * varasm.c (constructor_static_from_elts_p): New function.
5801 Whether a constructor node is a valid static constant initializer
5802 if all its elements are.
5803 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5804 * output.h: Declare it.
5805 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5806 is a valid constant initializer instead of computing the number of
5807 non-constant elements. Use constructor_static_from_elts_p for this
5808 purpose. Replace the head comment with an indication that this is a
5809 helper for categorize_ctor_elements.
5810 (categorize_ctor_elements): Same interface change as for the _1
5811 helper. Former head comment from this helper moved here, adjusted to
5812 account for the interface changes.
5813 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5814 (all_zeros_p): Likewise.
5815 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5816 static versions of the constructor from the categorize_ctor_elements
5817 return value instead of the formerly computed number of non-constant
5820 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5822 * configure: Regenerate.
5823 * Makefile.in (build_libsubdir): New configure substitution
5824 (build_libobjdir): New variable.
5825 (BUILD_LIBIBERTY): Use it.
5827 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5830 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5832 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5835 * c-common.c (handle_weakref_attribute): Ignore attribute in
5836 the same conditions the alias attribute is ignored.
5838 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5840 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5841 (dbxout_begin_prologue): Increment scope_labelno.
5843 2006-07-17 Richard Henderson <rth@redhat.com>
5846 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5849 2006-07-17 Roger Sayle <roger@eyesopen.com>
5850 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5852 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5853 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5854 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5855 functions such as sbrk, write, etc.. Add function prototypes.
5856 Convert function declarations from K&R to ISO C. Cast pointers
5857 to "long" and "unsigned long" instead of "int" and "unsigned int".
5858 Convert tokens following #endif into comments.
5860 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5862 * invoke.texi: Remove mention of f77; Reformat table for
5863 inline parameter options correctly; mention that -malign-double
5864 is default on x86-64 targets.
5866 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5868 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5869 (convert_affine_scev, chrec_convert_aggressive): Use
5870 avoid_arithmetics_in_type_p. Do not check for the subtypes
5873 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5876 * optabs.c (expand_doubleword_shift): Wrap the call to
5877 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5879 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5882 * optabs.c (expand_binop): Pass next_methods rather than methods
5883 to expand_doubleword_shift.
5885 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5888 * tree.h (dump_addr): Declare.
5889 * print-tree.c (dump_addr): New function.
5890 (print_node_brief, print_node): Use it.
5891 * print-rtl.c (print_rtx): Likewise.
5892 * common.opt (-fdump-noaddr): New option.
5893 * doc/invoke.texi (-fdump-noaddr): Document.
5894 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5895 (ve_info_hash): Likewise.
5897 2006-07-13 Andrew Haley <aph@redhat.com>
5899 PR tree-optimization/19505
5900 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5901 edge leaving this block, make sure that the destination of this
5902 block has only one predecessor.
5904 2006-07-17 Richard Guenther <rguenther@suse.de>
5906 PR tree-optimization/28238
5907 * tree-inline.c (copy_bb): Check if we produced valid
5908 gimple copying and substituting a stmt. If not, gimplify
5911 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5913 * optabs.c (maybe_encapsulate_block): New function extracted from...
5914 (emit_libcall_block): ...here. Invoke it on the block of insns to
5915 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5916 (emit_no_conflict_block): Likewise.
5918 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5920 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5922 2006-07-15 Roger Sayle <roger@eyesopen.com>
5924 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5925 a new NOP_EXPR case of the switch statement.
5927 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5930 * stor-layout.c (place_field): Take the bit field with
5931 an excessive size into account in the ms-bitfiled case.
5934 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5935 the previous bit field.
5937 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5940 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5942 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5944 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5945 signal frames correctly even when the signal was installed with
5948 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5950 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5951 (dbxout_function_end): Use local label LFBB. Remove hook
5953 (dbxout_source_line): Use local label LFBB.
5954 (dbxout_block): Likewise.
5955 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5956 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5957 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5958 and DBX_OUTPUT_NFUN.
5960 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5962 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5964 2006-07-13 Jan Hubicka <jh@suse.cz>
5966 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5968 * output.h (align_variable): Declare.
5969 * varasm.c (align_variable): Export.
5970 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5971 when basic block changed.
5973 2006-07-13 Nick Clifton <nickc@redhat.com>
5975 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5976 walking the LOG_LINKS chain.
5978 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5980 * doc/invoke.texi (C++ Dialect Options): Explain difference
5981 between -fvisibility-inlines-hidden and setting hidden
5982 visibility explicitly.
5984 2006-07-12 Eric Christopher <echristo@apple.com>
5986 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5987 (stmp-lipo): Depend on libgcc.a.
5989 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5991 * tree.c: Fix a comment typo.
5993 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5995 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5997 (umulhisi3_r): Likewise.
5999 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6002 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6003 x < 19, vs wchar_t support.
6005 2006-07-12 Nick Clifton <nickc@redhat.com>
6007 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6008 instead of -isa=sh4.
6010 2006-07-12 Mike Stump <mrs@apple.com>
6012 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6014 2006-07-10 Eric Christopher <echristo@apple.com>
6016 * config/t-slibgcc-darwin: Rewrite.
6018 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6021 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6024 2006-07-08 Matthias Klose <doko@debian.org>
6026 * doc/sourcebuild.texi: Fix typo.
6028 2006-07-07 Mike Stump <mrs@apple.com>
6030 * toplev.c (process_options): Don't give -ffunction-sections may
6031 affect debugging warning for Mach-O.
6033 2006-07-07 James E Wilson <wilson@specifix.com>
6035 * config/mips/mips.md (cpu): Add sb1a.
6036 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6037 addition to sb1. Adjust comments to clarify SB-1A differences from
6039 (ir_sb1a_load): New. Modify bypasses to use it.
6040 (ir_sb1a_simple_alu): Likewise.
6041 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6042 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6043 (mips_issue_rate): Add PROCESSOR_SB1A.
6044 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6045 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6046 (TARGET_SB1): Add PROCESSOR_SB1A check.
6047 (TUNE_SB1): Likewise.
6049 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6050 * config/mips/mips.c (mips_store_data_bypass_p): New.
6051 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6052 store_data_bypass_p.
6054 2006-07-08 Paul Brook <paul@codesourcery.com>
6057 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6059 2006-07-07 Richard Guenther <rguenther@suse.de>
6062 * tree.h (build_one_cst): Declare.
6063 * tree.c (build_one_cst): New function.
6064 * tree-ssa-math-opts.c (get_constant_one): Remove.
6065 (insert_reciprocals): Use build_one_cst.
6066 * fold-const.c (fold_plusminus_mult): Likewise.
6068 2006-07-07 Roger Sayle <roger@eyesopen.com>
6070 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6071 * cfgloopanal.c (dump_graph): Likewise.
6072 * dojump.c (discard_pending_stack_adjust): Likewise.
6073 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6075 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6076 * function.c (finalize_block_changes): Likewise.
6077 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6078 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6079 * rtl.c (dump_rtx_statistics): Likewise.
6080 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6082 * varray.c (dump_varray_statistics): Likewise.
6083 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6084 decode_decimal64, encode_decimal128, decode_decimal128,
6085 decimal_real_to_decimal): Likewise.
6087 2006-07-07 Richard Guenther <rguenther@suse.de>
6089 PR tree-optimization/28187
6090 * tree-vrp.c (vrp_operand_equal_p): New function.
6091 (vrp_bitmap_equal_p): Likewise.
6092 (update_value_range): Use them to compare old and new
6095 2006-07-06 Roger Sayle <roger@eyesopen.com>
6097 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6098 a default case to switch statement to silence compiler warnings.
6100 2006-07-06 Roger Sayle <roger@eyesopen.com>
6103 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6104 the configured assembler supports the x87's ffreep mnemonic.
6105 * configure: Regenerate.
6106 * config.in: Regenerate.
6108 * config/i386/i386.c (output_387_ffreep): New function.
6109 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6110 (output_387_reg_move): Likewise.
6112 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6114 Port to hosts whose 'sort' and 'tail' implementations
6115 treat operands with leading '+' as file names, as POSIX
6116 has required since 2001. However, make sure the code still
6117 works on pre-POSIX hosts.
6118 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6119 which says you should use "tail -c +N" rather than "tail +Nc".
6120 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6122 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6124 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6127 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6130 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6131 PRE_{INC,DEC} of TFmode.
6133 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6134 Alan Modra <amodra@bigpond.net.au>
6137 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6140 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6143 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6144 Remove duplicate gtu.
6146 2006-07-05 Jason Merrill <jason@redhat.com>
6150 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6151 * c-common.c (handle_packed_attribute): So don't copy it here.
6152 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6154 2006-07-05 Mike Stump <mrs@apple.com>
6156 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6158 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6161 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6163 2006-07-05 Richard Guenther <rguenther@suse.de>
6166 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6167 TARGET_SSE2 targets if using SSE math.
6168 (*absdf2_1): Likewise.
6170 2006-07-05 Richard Guenther <rguenther@suse.de>
6172 PR tree-optimization/28162
6173 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6174 make sure to convert the operands to the correct type.
6176 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6178 PR tree-optimization/28218
6180 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6181 to calculate and free the dominator information.
6183 2006-07-04 Peter O'Gorman <peter@pogma.com>
6185 * mklibgcc.in: chmod 644 before ranlib during install.
6187 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6188 J"orn Rennecke <joern.rennecke@st.com>
6190 * configure.ac (.eh_frame data check): Use diff -b.
6192 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6195 * Makefile.in (BUILD_RTL): Add build/vec.o.
6196 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6197 (build/genextract): Delete.
6198 (build/genautomata): Likewise.
6200 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6203 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6204 128-bit IBM long doubles for ABI_V4.
6206 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6208 * tree.c (range_in_array_bounds_p): New predicate.
6209 * tree.h (range_in_array_bounds_p): Declare it.
6210 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6211 return a less conservative answer.
6212 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6213 and flag 'is_group'.
6214 (IS_ELEMENT_FOR_GROUP): New macro.
6215 (FOR_EACH_ACTUAL_CHILD): Likewise.
6216 (next_child_for_group): New helper function.
6217 (can_completely_scalarize_p): Take into account groups.
6218 (sra_hash_tree): Handle RANGE_EXPR.
6219 (sra_elt_eq): Likewise.
6220 (lookup_element): Be prepared for handling groups.
6221 (is_valid_const_index): Delete.
6222 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6223 instead of is_valid_const_index.
6224 <ARRAY_RANGE_REF>: New case.
6225 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6226 is_valid_const_index.
6227 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6228 (scan_dump): Dump info for groups too.
6229 (decide_instantiation_1): Likewise.
6230 (decide_block_copy): Assert that the element is not a group.
6231 Propagate decision to groups.
6232 (generate_one_element_ref): Handle RANGE_EXPR.
6233 (mark_no_warning): Iterate over actual childs.
6234 (generate_copy_inout): Likewise.
6235 (generate_element_copy): Likewise.
6236 (generate_element_zero): Likewise.
6237 (generate_element_init_1): Likewise.
6238 (dump_sra_elt_name): Handle RANGE_EXPR.
6240 2006-07-03 Roger Sayle <roger@eyesopen.com>
6242 PR tree-optimization/26251
6243 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6244 (thread_block): When optimizing for size refuse to thread jumps
6245 that would require duplication of blocks other than redirection
6248 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6250 * configure.ac: Fix thinko in previous check-in.
6251 * configure: Regenerate.
6253 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6256 * configure.ac (for lang...): Simplify nesting of conditionals.
6257 Test subdir_requires for non-enabled languages. Move processing
6258 of lang_opt_files and lang_tree_fiels below that test.
6259 * configure: Regenerate.
6260 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6262 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6264 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6266 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6268 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6271 2006-06-29 Jason Merrill <jason@redhat.com>
6278 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6279 * c-common.c (c_determine_visibility): Handle it here.
6280 * c-decl.c (finish_decl): Call c_determine_visibility for
6282 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6284 * varasm.c (default_assemble_visibility): Likewise.
6285 * c-common.c (handle_visibility_attribute): Complain about trying
6286 to give visibility to an already defined class, or trying to change
6287 declared visibility. Always attach the attribute.
6292 * attribs.c (decl_attributes): Ignore type-in-place attributes
6293 once the type has been defined.
6295 2006-06-29 Roger Sayle <roger@eyesopen.com>
6298 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6299 to indicate the cpplib has issued an error message for us.
6301 2006-06-29 Asher Langton <langton2@llnl.gov>
6304 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6305 insert a label at the end of an function under Mach-O.
6307 2006-06-29 Eric Christopher <echristo@apple.com>
6308 Evan Cheng <evan.cheng@apple.com>
6310 * predicates.md (vector_all_ones_operand): New.
6311 (nonimmediate_or_sse_const_operand): Ditto.
6312 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6313 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6314 (standard_sse_mode_p): Ditto.
6315 (standard_sse_constant_p): Add case for -1 vector.
6316 (ix86_expand_vector_move): Try to use.
6317 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6318 Call standard_sse_constant_opcode.
6319 (*movv4sf_internal): Ditto.
6320 (*movv2df_internal): Ditto.
6322 2006-06-29 Roger Sayle <roger@eyesopen.com>
6324 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6325 of XEXP to extract the operands of a MATCH_CODE rtx.
6327 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6329 * tree.c (tree_size): Do not waste tail padding in
6330 struct tree_string and make the size be the same as
6331 build_string will generate.
6333 2006-06-28 Jason Merrill <jason@redhat.com>
6336 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6337 may_aliases already in the tag's annotations to the bitmap.
6339 2006-06-28 Roger Sayle <roger@eyesopen.com>
6341 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6343 2006-06-28 Roger Sayle <roger@eyesopen.com>
6345 * genpreds.c (generate_switch_p): New function.
6346 (add_mode_tests): Push the new mode test down inside an AND expr
6347 if this allows the switch-suitable MATCH_CODE to be near the root.
6348 (write_match_code_switch): New function to write a MATCH_CODE as
6350 (write_predicate_stmts): New function to write a predicate RTX
6351 expression as a sequence of statements.
6352 (write_one_predicate_function): Use write_predicate_stmts.
6353 (write_tm_constrs_h): Likewise.
6355 2006-06-26 Fred Fish <fnf@specifix.com>
6357 * config/mips/t-sb1: New file.
6358 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6361 2006-06-26 DJ Delorie <dj@redhat.com>
6363 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6365 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6366 Jayant Sonar <jayants@kpitcummins.com>
6367 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6369 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6370 (subsi3, subsi3_1, subsi3_2): New.
6371 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6372 * config/m32c/mov.md (SI mov peephole): New.
6373 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6374 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6376 2006-06-26 Olivier Hainque <hainque@adacore.com>
6378 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6379 a CALL_EXPR target function declaration.
6381 2006-06-26 Richard Guenther <rguenther@suse.de>
6383 * tree.c (build_string): Do not waste tail padding in
6386 2006-06-26 Richard Guenther <rguenther@suse.de>
6388 * ggc-page.c (init_ggc): Add missing element to size_lookup
6392 2006-06-23 Richard Guenther <rguenther@suse.de>
6394 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6395 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6396 alignment requests instead. Add verification code.
6397 Add struct tree_function_decl and struct tree_binfo size to
6398 extra_order_size_table. Add missing element to size_lookup
6401 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6404 * fold-const.c (const_binop): Be prepared for self returning zero.
6405 Simplify code handling complex values.
6407 2006-06-24 Olivier Hainque <hainque@adacore.com>
6409 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6410 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6413 2006-06-24 Olivier Hainque <hainque@adacore.com>
6415 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6416 ARRAY_REF, so have the callback called for the low bound expression.
6418 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6420 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6421 * c-typeck.c (c_common_type): Disallow operations on decimal float
6422 types and other float types.
6423 * convert.c (convert_to_real): Don't ignore conversions involving
6424 decimal float types.
6426 2006-06-23 Olivier Hainque <hainque@adacore.com>
6428 * tree.c (max_int_size_in_bytes): New function, inspired from
6429 code in function.c:assign_temp.
6430 * tree.h (max_int_size_in_bytes): Declare.
6431 * function.c (assign_temp): Use it.
6432 * gimplify.c (create_tmp_var): Relax the assertions on the type
6433 properties, not mandating constant size any more.
6434 (force_constant_size): New static function.
6435 (gimple_add_tmp_var): Use it, forcing variable size to a
6436 constant upper bound if it is not constant on entry.
6438 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6441 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6442 for initialization and setting of one_only flag to ...
6443 (i386_pe_encode_section_info): ...here.
6444 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6445 Recheck that the symbol has not been defined.
6447 2006-06-23 Richard Guenther <rguenther@suse.de>
6449 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6450 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6451 alignment requests instead. Add verification code.
6452 Add struct tree_function_decl and struct tree_binfo size to
6453 extra_order_size_table. Add missing element to size_lookup
6456 2006-06-22 Roger Sayle <roger@eyesopen.com>
6457 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6460 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6461 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6463 2006-06-23 Ben Elliston <bje@au.ibm.com>
6465 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6466 negate dn -- manipulate it directly.
6468 2006-06-22 Roger Sayle <roger@eyesopen.com>
6469 Steven Bosscher <stevenb.gcc@gmail.com>
6472 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6473 generated by gen_move_insn to add REG_LABEL notes if necessary.
6475 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6477 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6478 (leaf_entry): Remove use of MIN_ESA.
6480 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6482 PR rtl-optimization/28121
6483 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6486 2006-06-21 DJ Delorie <dj@redhat.com>
6488 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6490 (mulhisi3_r): Likewise.
6492 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6495 * coverage.c (coverage_counter_alloc): Leave the index type
6497 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6500 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6502 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6503 section from the "Options for Code Generation Conventions".
6505 2006-06-21 Richard Henderson <rth@redhat.com>
6509 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6511 (global_symbolic_operand): Allow weak symbols, even if local_p.
6513 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6515 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6516 (find_interesting_uses_address): Punt if above function returns true.
6518 2006-06-21 Richard Guenther <rguenther@suse.de>
6520 * configure: Regenerated.
6522 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6524 * config/mips/mips.c (function_arg): Where one part of a
6525 complex argument is in registers and the other part in the stack,
6526 return a REG not a PARALLEL.
6528 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6530 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6531 when cross-compiling. Do not substitute libstdcxx_incdir.
6532 * configure: Regenerated.
6534 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6536 * varasm.c (mergeable_string_section): Check for embedded NULs and
6537 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6538 rather than TREE_STRING_LENGTH bytes.
6540 2006-06-21 Richard Guenther <rguenther@suse.de>
6542 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6543 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6546 2006-06-21 Richrad Guenther <rguenther@suse.de>
6548 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6549 Limit iteration over the dominators.
6551 2006-06-20 Roger Sayle <roger@eyesopen.com>
6553 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6554 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6556 2006-06-20 Richard Guenther <rguenther@suse.de>
6557 Michael Matz <matz@suse.de>
6559 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6561 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6562 * et-forest.h (et_free_pools): Prototype new function.
6563 * et-forest.c (et_free_tree_force): Free parent occurrence.
6564 (et_free_pools): New function.
6565 * dominance.c (free_dominance_info): Free et-forest alloc
6568 2006-06-20 Roger Sayle <roger@eyesopen.com>
6570 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6571 integer modes, attempt to directly construct an integer constant.
6573 * fold-const.c (native_encode_vector): Determine the size of each
6574 element from the vector type instead of the first vector element.
6576 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6577 if all of its elements/components are constant.
6578 (build_constructor_from_list): Likewise.
6580 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6582 PR tree-optimization/27331
6583 * tree-data-ref.c (free_data_ref): New function.
6584 (create_data_ref): Fail if the data reference has unknown access
6586 (free_data_refs): Use free_data_ref.
6588 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6591 * tree-inline.c (setup_one_parameter): Strip useless
6592 type conversion before adding it to the IR.
6593 (declare_return_variable): Likewise.
6595 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6598 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6600 2006-06-19 Mike Stump <mrs@apple.com>
6602 * tree.c (variably_modified_type_p): VM arguments don't make the
6605 2006-06-19 Richard Guenther <rguenther@suse.de>
6607 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6608 type conversions after folding.
6610 2006-06-19 Richard Guenther <rguenther@suse.de>
6612 * ggc-page.c (extra_order_size_tab): Add entries with
6613 size of struct function and basic_block.
6614 (size_lookup): Extend to cover sizes up to 511.
6615 (ggc_alloc_stat): Adjust user.
6616 (ggc_pch_count_object): Likewise.
6617 (ggc_pch_alloc_object): Likewise.
6618 (ggc_pch_write_object): Likewise.
6620 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6622 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6623 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6626 2006-06-19 Denis Chertykov <denisc@overta.ru>
6628 * config/avr/libgcc.S : Correct my wrong previous commit.
6630 2006-06-19 Roger Sayle <roger@eyesopen.com>
6633 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6634 have stripped a SUBREG from the shift count, so we may need to
6635 convert_to_mode back to the type's mode before calling make_tree.
6636 Use new_amount instead of amount to avoid expanding a tree twice.
6638 2006-06-19 Richard Guenther <rguenther@suse.de>
6641 * fold-const.c (operand_equal_p): Check if the argument types
6642 have the same precision before stripping NOPs.
6644 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6646 Fix PR tree-optimization/27341
6647 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6649 * tree-complex.c (pass_lower_complex): Update SMT usage.
6651 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6653 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6654 Add a new alternative to the constraint strings. Add move of
6655 operand 1 to 3 to the splitter definition.
6656 ("doloop_si_long"): Second contraint alternative removed.
6658 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6660 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6661 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6663 (AVR_HAVE_MOVW) Define.
6664 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6665 (ASM_SPEC): Add avr25.
6666 (LINK_SPEC): Add avr25.
6667 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6668 (base_arch_s): Add new member 'have_movw_lpmx'.
6669 (avr_arch_types): Init 'have_movw_lpmx'.
6670 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6671 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6672 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6673 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6674 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6676 (avr_file_start): Do not output '.arh' derective.
6677 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6678 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6679 * config/avr/avr.md (mcu_enhanced): Delete.
6680 (mcu_have_movw): Define.
6681 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6682 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6683 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6684 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6685 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6686 attiny861 and at86rf401 devices.
6688 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6690 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6693 2006-06-17 Karl Berry <karl@gnu.org>
6695 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6696 doc/gccint.texi, doc/install.texi (@dircategory): Use
6697 "Software development" instead of "Programming", following
6698 the Free Software Directory.
6700 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6702 * config/i386/i386.c (legitimate_tls_address)
6703 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6704 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6705 (*tls_dynamic_gnu2_combine_64): Likewise.
6707 2006-06-16 Richard Guenther <rguenther@suse.de>
6710 * fold-const.c (negate_expr_p): Do not introduce undefined
6711 overflow in negating INTEGER_CSTs.
6712 (fold_negate_expr): Rename from negate_expr. Revert last
6713 change for folding BIT_NOT_EXPR. Change semantics to
6714 return NULL_TREE for non-simplified negations. Do not
6715 strip type conversions and unify type handling.
6716 (negate_expr): New function, wrap around fold_negate_expr
6717 but ensure building a tree always. Strip type conversions
6718 here, fold to result type.
6719 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6721 2006-06-16 Roger Sayle <roger@eyesopen.com>
6724 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6725 that (would) return their results in stack registers.
6727 2006-06-16 Michael Matz <matz@suse.de>
6728 Richard Guenther <rguenther@suse.de>
6730 * fold-const.c (fold_truthop): Only return new tree node if
6731 we canonicalized something.
6733 2006-06-16 Richard Guenther <rguenther@suse.de>
6735 * function.h (enum function_frequency): Move declaration
6736 out of struct function.
6737 (struct function): Move bool fields and the enum to the bitfield
6738 section. Reorder elements to avoid padding. Remove unused
6739 fields left over from the RTL inliner removal.
6740 * function.c (free_after_compilation): Do not zero removed fields.
6741 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6742 (ipa-type-escape.o): Likewise.
6744 2006-06-16 Richard Guenther <rguenther@suse.de>
6746 * cgraph.h (struct cgraph_local_info): Turn bool elements
6748 (struct cgraph_node): Likewise.
6749 (struct cgraph_varpool_node): Likewise.
6751 2006-06-15 Richard Guenther <rguenther@suse.de>
6753 * fold-const.c (fold_truth_not_expr): Rename from
6754 invert_truthvalue. Give it fold_* semantics to avoid
6756 (invert_truthvalue): New function. Wrapper around
6757 fold_truth_not_expr.
6758 (optimize_minmax_comparison): Avoid creating garbage.
6759 (fold_unary): Use fold_truth_not_expr for folding
6761 (fold_ternary): Replace uses of invert_truthvalue with
6762 fold_truth_not_expr where applicable.
6763 * tree.h (fold_truth_not_expr): Prototype.
6765 2006-06-16 Richard Guenther <rguenther@suse.de>
6767 PR tree-optimization/27781
6768 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6769 * ipa-pure-const.c (target.h): Include.
6770 (analyze_function): Do not analyze functions that do not
6773 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6776 * tree-dfa.c (referenced_vars_dup_list): Remove.
6777 (find_referenced_vars): Remove assert.
6778 (referenced_var_check_and_insert): Replace dup list with assert.
6779 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6780 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6782 2006-06-15 Richard Guenther <rguenther@suse.de>
6784 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6785 extra unused identifiers if not dumping.
6786 (create_variable_info_for): Likewise.
6788 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6790 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6791 (derive_constant_upper_bound): Derive more precise upper bound in
6792 common cases. Return type changed to double_int.
6793 (record_estimate): Reflect the changed return type of
6794 derive_constant_upper_bound.
6795 * double-int.c (double_int_zext, double_int_sext): Fix.
6797 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6799 * configure.ac (CFLAGS): Get them from the toplevel or from the
6800 configure invocation.
6801 * configure: Regenerate.
6802 * Makefile.in (CFLAGS): Substitute value provided by configure.
6804 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6807 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6808 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6809 rather than calling add_stmt on it.
6810 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6812 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6815 * reload1.c (reload): Remove registers returned by update_eliminables
6816 from used_spill_regs.
6818 2006-06-13 DJ Delorie <dj@redhat.com>
6820 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6822 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6824 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6825 html__strip_dir, html__mkdir_p. Enhance install-html target.
6826 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6827 * configure: Regenerate.
6829 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6831 * fold-const.c (fold_cond_expr_with_comparison): Check for
6832 Objective-C++ as language in deciding COND_EXPR transformation.
6834 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6837 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6838 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6839 * config/sh/lib1funcs.h (SL, SL1): Define.
6840 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6841 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6842 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6843 (OBJS_Os_4_200): New variable.
6844 ($(T)libgcc-Os-4-200.a): Use it.
6845 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6846 when dividing 1 and/or by 0.
6848 2006-06-13 Roger Sayle <roger@eyesopen.com>
6850 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6851 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6852 * configure: Regenerate.
6854 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6856 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6857 for real instruction.
6859 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6862 * haifa-sched.c (check_cfg): Handle special case.
6864 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6867 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6868 Add debug_info parameter. Chain the vars to the BLOCK instead
6869 of the BIND_EXPR if debug info are requested for them.
6870 (pop_gimplify_context): Adjust for above change.
6871 (gimple_add_tmp_var): Likewise.
6872 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6874 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6875 (convert_local_reference): Likewise.
6876 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6877 (finalize_nesting_tree_1): Request that debug info be emitted
6878 for debug_var_chain.
6880 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6882 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6883 for PR target/27863.
6885 2006-06-13 Richard Guenther <rguenther@suse.de>
6888 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6890 2006-06-13 Richard Guenther <rguenther@suse.de>
6892 PR tree-optimization/27830
6893 * tree-inline.c (copy_body_r): For copying the operand
6894 of an ADDR_EXPR make sure to fold &* afterwards.
6896 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6898 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6899 lvalues in the fb_none case with side-effects.
6901 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6903 * tree-flow.h: Remove the prototype for
6904 compute_phi_arg_on_exit.
6905 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6906 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6909 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6911 * builtins.c (expand_builtin_return_addr): Only use
6912 frame_pointer_rtx when count == 0 and we are expanding
6913 __builtin_return_address.
6915 2006-06-12 Fred Fish <fnf@specifix.com>
6917 * config/mips/mips.c (mips_file_start): Create special section
6918 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6920 2006-06-11 Eric Christopher <echristo@apple.com>
6923 * stor-layout.c (place_field): Remove check for
6924 remaining_in_alignment when aligning at the end of a run.
6926 2006-06-11 Eric Christopher <echristo@apple.com>
6929 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6932 2006-06-11 Roger Sayle <roger@eyesopen.com>
6935 Revert incorrect fix for PR target/27158
6936 2006-05-08 Roger Sayle <roger@eyesopen.com>
6937 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6938 of a reg_equiv_constant if the result is a legitimate constant.
6940 2006-06-11 Roger Sayle <roger@eyesopen.com>
6943 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6944 extract a CONST_VECTOR element and interpret it as an integer.
6945 (vspltis_constant): Use const_vector_elt_as_int instead of the
6946 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6947 * config/rs6000/predicates.md (easy_vector_const): Consider
6948 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6950 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6953 * stor-layout.c (update_alignment_for_field): Don't add extra
6954 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6957 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6959 * config/mips/t-rtems: Add EL/EB multilib variants.
6961 2006-06-09 Mike Stump <mrs@apple.com>
6963 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6965 2006-06-09 David Daney <ddaney@avtrex.com>
6967 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6969 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6971 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6973 2006-06-09 Richard Guenther <rguenther@suse.de>
6975 PR tree-optimization/26998
6976 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6977 of signed types, only TYPE_MIN_VALUE is special, but for both,
6978 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6979 in this case, as is -fwrapv.
6981 2006-06-08 Mike Stump <mrs@apple.com>
6984 * config/darwin.c (darwin_asm_output_anchor): Disable
6985 -fsection-anchors on darwin for now.
6986 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6987 * rs6000/rs6000.c (optimization_options): Likewise.
6989 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6992 * config/i386/i386.c (classify_argument): Skip fields with invalid
6995 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6997 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6998 (cse_insn): Likewise for the stack_pointer_rtx.
7000 2006-06-08 Roger Sayle <roger@eyesopen.com>
7002 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7003 conditions from floating point comparisons.
7005 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7008 * expmed.c (struct alg_hash_entry): Fix type of field T
7009 to match synth_mult argument.
7010 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7012 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7015 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7018 2006-06-08 Richard Guenther <rguenther@suse.de>
7021 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7022 only, if overflow is defined and not trapping.
7023 (negate_expr): Likewise.
7025 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7027 PR tree-optimization/27872
7028 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7029 flag on the new exit edge of the unrolled loop.
7031 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7033 PR rtl-optimization/26449
7034 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7036 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7039 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7040 referenced_variables with matching DECL_UID's.
7041 (find_referenced_vars): Make sure duplicate list is empty to start.
7042 (referenced_var_p): Remove.
7043 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7044 Check if var is in the list, and add if needed. Update the duplicate
7045 list if a different var is in the list with the same DECL_UID.
7046 (add_referenced_var): Call routine to check and insert.
7047 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7048 * tree-flow.h (referenced_vars_dup_list): External declaration.
7050 2006-06-07 Fred Fish <fnf@specifix.com>
7052 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7055 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7058 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7059 the imaginary and real parts of a clobbered register.
7060 Emit insn to set the imaginary part.
7062 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7064 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7065 in lieu of unwind-dw2-fde.c.
7067 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7069 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7071 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7074 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7075 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7076 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7077 V4SImode temporaries and operations instead.
7079 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7081 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7084 2006-06-06 Mike Stump <mrs@apple.com>
7086 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7087 installing during build.
7089 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7091 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7093 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7094 * config/ia64/ia64.c (params.h): New header.
7095 (ia64_optimization_options): New function to adjust parameters.
7096 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7097 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7098 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7100 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7102 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7104 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7107 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7109 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7110 Victor Kaplansky <victork@il.ibm.com>
7112 PR tree-optimization/26360
7113 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7116 2006-06-04 Roger Sayle <roger@eyesopen.com>
7117 Andrew Pinski <pinskia@physics.uc.edu>
7120 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7121 for LABEL_DECL before calling DECL_WEAK.
7124 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7125 LABEL_DECL and PARM_DECL.
7127 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7131 * c-decl.c (grokdeclarator): Disallow variably modified types at
7132 file scope. Avoid marking shared array type of constant size as
7135 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7138 * c-common.c (fold_offsetof_1): Handle static members.
7140 2006-06-04 Eric Christopher <echristo@apple.com>
7142 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7143 (debug_rli): Output value for remaining_in_alignment.
7144 (update_alignment_for_field): Unconditionalize
7145 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7146 extra alignment code.
7147 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7148 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7149 * tree.h (record_layout_info_s): Remove prev_packed.
7150 * doc/extend.texi (ms_struct): Add documentation of format.
7152 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7154 * tree.h: Declare folding_initializer.
7155 * builtins.c (fold_builtin_constant_p): Give definite answer
7156 if folding inside an initializer.
7157 * fold-const.c: Define folding_initializer.
7158 (START_FOLD_INIT): Save and then set folding_initializer.
7159 (END_FOLD_INIT): Restore folding_initializer.
7161 2006-06-04 Richard Guenther <rguenther@suse.de>
7163 PR tree-optimization/27039
7164 * fold-const.c (fold_comparison): Handle pointer comparison
7165 again for all comparison codes. Compare offsets in signed
7167 (fold_binary): Move code from here.
7169 2006-06-03 Roger Sayle <roger@eyesopen.com>
7172 * config/i386/i386.c (construct_container): Split static issued_error
7173 flag into issued_sse_arg_error, issued_sse_ret_error and
7174 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7175 requires the use of x87 registers and the user explicitly
7176 specified the -mno-80387 command line option.
7178 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7180 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7181 HAVE_DECL_SIGALTSTACK.
7183 (segv_handler): Use MC_FLD.
7184 * configure.ac: Check for a sigaltstack declaration.
7185 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7186 * configure: Regenerate.
7187 * config.in: Regenerate.
7189 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7192 * Makefile.in (stmp-fixinc): Fix typo.
7194 2006-06-02 Roger Sayle <roger@eyesopen.com>
7196 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7197 are type correct. Clean-up.
7198 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7199 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7201 2006-06-01 DJ Delorie <dj@redhat.com>
7203 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7204 shift, as we've disabled the "switch" insn that needs it.
7206 2006-06-01 Per Bothner <bothner@bothner.com>
7208 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7209 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7210 * c-ppoutput.c (cb_define): Don't increment line 0.
7212 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7214 * doc/invoke.texi: Add cpu_type power6.
7215 * config.gcc: Add cpu_type power6.
7216 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7217 to power5+ with Altivec.
7218 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7219 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7221 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7223 * config/avr/avr.h (SET_ASM_OP): Define.
7225 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7227 * config/bfin/bfin.c: Fix comment typos.
7229 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7232 * doc/install.texi: Document --enable-bootstrap and
7233 --disable-bootstrap.
7235 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7237 * doc/install.texi: Document that InfoZIP can replace jar.
7239 2006-05-31 Roger Sayle <roger@eyesopen.com>
7241 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7242 isn't available, directly generate the simpler x87 patterns without
7243 the (use (const_int 0)).
7244 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7245 implementation isn't available.
7246 (*negdf2_1): Likewise.
7247 (*negxf2_1): XF mode negation is always done using the x87.
7248 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7250 2006-05-31 Roger Sayle <roger@eyesopen.com>
7252 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7253 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7255 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7257 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7259 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7260 * config/bfin/bfin.c (basic-block.h): Include.
7261 (struct machine_function): New.
7262 (bfin_init_machine_status): New.
7263 (override_options): Initialize init_machine_status.
7264 (bfin_hardware_loop): New.
7265 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7266 (DEF_VEC_P (loop_info)): New.
7267 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7268 (struct loop_info): New.
7269 (loop_info): New typedef.
7270 (struct loop_work): New.
7271 (loop_work): New typedef.
7272 (DEF_VEC_O (loop_work)): New.
7273 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7274 (bfin_dump_loops): New.
7275 (bfin_bb_in_loop): New.
7276 (bfin_scan_loop): New.
7277 (bfin_optimize_loop): New.
7278 (bfin_reorg_loops): New.
7279 (bfin_reorg): Use bfin_reorg_loops.
7280 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7282 (I_REGNO_P): Simplify.
7283 (DP_REGNO_P, DPREG_P): New macros.
7284 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7285 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7286 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7287 Add LT_REGS, LC_REGS, LB_REGS.
7288 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7290 (REGNO_REG_CLASS): Deal with loop registers.
7291 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7293 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7294 New constants for loop registers.
7295 (UNSPEC_LSETUP_END): New.
7296 (seq_insns): New define_attr. Set it for appropriate insns.
7297 (movsi_insn): Add alternatives for move from/to
7298 loop count registers.
7299 (doloop_end): New define_expand.
7300 (loop_end): New define_insn.
7301 (define_split for bad doloop_end): New.
7302 (lsetup_with_autoinit): New define_insn.
7303 (lsetup_without_autoinit): New define_insn.
7304 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7305 * config/bfin/predicates.md (lc_register_operand): New.
7306 (lt_register_operand): New.
7307 (lb_register_operand): New.
7308 (nondp_register_operand): New.
7309 (nondp_reg_or_memory_operand): New.
7310 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7312 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7314 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7315 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7317 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7319 * Makefile.in (CATALOGS): Add po/ prefix.
7320 * configure: Regenerated.
7322 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7325 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7326 a shift operand before calling shift_op. Avoid redundant call of
7329 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7330 DJ Delorie <dj@redhat.com>
7332 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7333 we're inserting is a singlt-bit constant.
7335 2006-05-30 Roger Sayle <roger@eyesopen.com>
7337 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7338 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7340 2006-05-30 Roger Sayle <roger@eyesopen.com>
7342 PR tree-optimization/23452
7343 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7344 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7345 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7346 complex values and with -ffast-math for FP complex values.
7348 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7350 * c-common.h: Remove the prototype for yyparse.
7351 * rtl.h: Remove the prototype for init_loop.
7353 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7355 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7358 2006-05-30 Roger Sayle <roger@eyesopen.com>
7360 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7362 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7363 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7365 2006-05-30 Dirk Mueller <dmueller@suse.de>
7368 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7369 for CONSTANT_CLASS_P expresisons.
7371 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7374 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7376 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7378 PR tree-optimization/27779
7379 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7380 initial_condition instead of CHREC_LEFT.
7382 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7384 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7385 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7386 Make prototypes ISO C90.
7388 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7389 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7391 * see.c (see_analyze_one_def): Correct check.
7392 (see_get_extension_data): Check if extension is parallel.
7393 (see_get_extension_reg): Likewise.
7395 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7398 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7399 into register for (code == GTU).
7401 2006-05-29 Roger Sayle <roger@eyesopen.com>
7403 PR tree-optimization/24964
7404 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7405 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7406 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7407 abs(x)*abs(x) as x*x for scalar floating point modes.
7409 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7412 * lambda-code.c (perfect_nestify): Don't copy statements
7413 in the inner loop: move them to the inner loop header.
7415 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7418 * c-tree.texi: Document OpenMP directives and clauses.
7420 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7422 * varasm.c (globalize_decl): Fix indentation.
7424 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7427 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7428 pass_fre, pass_store_ccp, pass_copy_prop,
7429 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7430 pass_return_slot, pass_object_size, pass_lim,
7431 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7432 pass_loop_prefetch and pass_stdarg.
7434 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7436 * config/bfin/bfin.opt (mfdpic): New option.
7437 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7438 (EXTRA_MULTILIB_PARTS): Likewise.
7439 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7440 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7442 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7443 (CRT_CALL_STATIC_FUNCTION): New.
7444 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7446 (CRT_CALL_STATIC_FUNCTION): New.
7447 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7449 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7450 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7451 (initialize_trampoline): Changed to handle FD-PIC code generation.
7452 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7453 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7454 (override_options): Disallow -mid-shared-library -mfdpic combination.
7455 Can't do unaligned ops if FD-PIC.
7456 Turn off flag_pic if trying to generate non-id-shared-library
7457 non-fdpic code, since it's not supported.
7458 (bfin_assemble_integer): New function.
7459 (TARGET_ASM_INTEGER): Define.
7460 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7462 * config/bfin/crtn.s: Restore them.
7463 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7465 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7466 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7467 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7468 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7469 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7471 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7472 FDPIC_REGS and FDPIC_FPTR_REGS.
7473 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7474 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7475 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7476 (load_funcdescsi): New pattern.
7477 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7478 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7479 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7481 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7483 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7486 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7488 * tree-flow.h: Remove the prototype for add_type_alias.
7489 * tree-ssa-alias.c (add_type_alias): Remove.
7491 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7493 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7494 config/fr30/fr30.md, config/i386/i386-interix.h,
7495 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7496 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7497 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7498 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7499 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7500 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7501 Follow spelling conventions.
7502 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7503 Follow spelling conventions.
7505 2006-05-27 Richard Guenther <rguenther@suse.de>
7508 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7509 to produce a constant of value 1 of generic type.
7511 2006-05-27 Dirk Mueller <dmueller@suse.de>
7513 * cgraphunit.c (decide_is_function_needed): Fix wrong
7516 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7518 PR rtl-optimization/27661
7519 * reload.c (find_reloads): When reloading a VOIDmode constant
7520 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7521 use Pmode as mode of the reload register.
7523 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7525 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7526 is enabled at -O and above.
7528 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7531 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7534 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7537 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7538 for anonymous variables explicitly declared by front ends.
7540 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7542 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7543 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7544 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7545 ref-all pointers, run a finalization pass for them.
7546 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7547 (finalize_ref_all_pointers): New function.
7548 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7549 regular pointer type to a ref-all pointer type.
7550 (get_tmt_for): Return the special memory tag for ref-all pointers.
7552 2006-05-25 Richard Guenther <rguenther@suse.de>
7555 * fold-const.c (fold_binary): Do not look at the stripped
7556 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7558 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7560 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7561 for LT and GT if the computed range is effectively empty.
7563 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7566 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7567 mips_quad_format formats instead of ieee_single_format,
7568 ieee_double_format and ieee_quad_format formats, respectively.
7570 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7572 PR tree-optimization/27639
7573 PR tree-optimization/26719
7574 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7575 call to scev_probably_wraps_p.
7576 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7577 used_in_pointer_arithmetic_p, convert_step): Removed.
7578 (nowrap_type_p): New function.
7579 (scev_probably_wraps_p): Rewritten.
7580 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7581 chrec_convert if chrec_convert_aggressive might have been used.
7582 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7583 scev_direction): New functions.
7584 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7585 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7586 instead of convert_step.
7587 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7588 (convert_step): Declaration removed.
7589 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7591 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7593 * df-core.c: Added to header comments.
7594 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7595 df_ur_bb_info, df_urec_bb_info): Added comments.
7596 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7597 urec, ri problems): Fixed header comments.
7598 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7599 code from df_rd_transfer_function.
7601 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7603 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7604 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7605 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7607 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7609 * expr.c (undefined_operand_subword_p): New.
7610 (emit_move_multi_word): Do not generate move from undefined bits
7611 of a paradoxical subreg.
7613 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7615 PR rtl-optimization/27736
7616 * combine.c (replaced_rhs_value): New variable.
7617 (combine_instructions): Set it.
7618 (distribute_notes): When distributing a note in replaced_rhs_insn,
7619 check whether the value was used in replaced_rhs_value.
7621 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7624 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7625 add_referenced_var instead of add_referenced_tmp_var.
7626 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7627 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7629 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7630 tree_optimize_tail_calls_1): Use add_referenced_var.
7631 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7632 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7633 Use add_referenced_var.
7634 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7635 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7636 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7637 Use add_referenced_var.
7638 * tree-dfa.c (struct walk_state): Remove.
7639 (find_referenced_vars): Remove walk state and vars_found hash table.
7640 (make_rename_temp): Use add_referenced_var.
7641 (find_vars_r): Pass less parameters to add_referenced_var.
7642 (referenced_var_p): New. Is var in referenced_var hash table.
7643 (referenced_var_insert): Assert var isn't already in hash table.
7644 (add_referenced_var): Don't need walk_state parameter. Add var if it
7645 isn't already in the hash table.
7646 (add_referenced_tmp_var): Remove.
7647 (find_new_referenced_vars_1): Use add_referenced_var.
7648 * tree-ssa-pre.c (create_expression_by_pieces,
7649 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7650 Use add_referenced_var.
7651 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7652 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7653 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7655 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7656 vect_create_data_ref_ptr, vect_create_destination_var,
7657 vect_init_vector, vect_build_loop_niters,
7658 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7659 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7660 Use add_referenced_var.
7661 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7662 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7663 (add_referenced_var): Add prototype.
7664 * tree-ssa-structalias.c (get_constraint_for,
7665 intra_create_variable_infos): Use add_referenced_var.
7667 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7669 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7670 big-endian paradoxical subregs.
7671 * var-tracking.c (struct micro_operation_def): Document that,
7672 for modify micro operations, insn is the subsequent instruction.
7673 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7674 (var_reg_set, var_mem_set): ... new functions.
7675 (add_stores): Record subsequent insn.
7676 (compute_bb_dataflow): Use new functions for MO_USE.
7677 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7678 notes after the insn, and modify notes before the insn known
7679 to be the subsequent one.
7680 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7682 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7685 * config/i386/i386.c (ix86_expand_builtin): Use
7686 gen_sse3_monitor64 for TARGET_64BIT.
7688 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7690 PR rtl-optimization/26375
7691 PR rtl-optimization/26855
7692 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7694 (df_ru_bb_local_compute): Reversed statements and removed bogus
7695 comment explaining why they should be in wrong order.
7696 (df_ru_dump, df_rd_dump): Enhanced debug info.
7697 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7699 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7700 reaching uses and fixed space problem.
7702 2006-05-23 Jan Hubicka <jh@suse.cz>
7704 * cgraphunit.c (decide_is_function_needed): Also nested functions
7705 and functions declared inline can be optimized out at -O0.
7707 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7709 * doc/install.texi (Configuration): Remove reference to CrossGCC
7713 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7716 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7717 ix86_compare_emitted is non-NULL.
7719 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7722 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7725 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7727 PR rtl-optimization/25514
7728 * combine.c (replaced_rhs_insn): New variable.
7729 (combine_instructions): Set replaced_rhs_insn when trying to replace
7730 a SET_SRC with a REG_EQUAL note.
7731 (distribute_notes): Use replaced_rhs_insn when determining the live
7732 range of a REG_DEAD register.
7734 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7735 Anatoly Sokolov <aesok@post.ru>
7737 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7738 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7739 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7740 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7741 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7742 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7743 at90usb647, at90usb1286 and at90usb1287 devices.
7744 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7745 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7747 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7749 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7751 2006-05-22 Richard Guenther <rguenther@suse.de>
7754 2006-01-31 Richard Guenther <rguenther@suse.de>
7755 Paolo Bonzini <bonzini@gnu.org>
7757 * doc/install.texi (--disable-libgcc-math): Document.
7759 2006-05-22 Richard Guenther <rguenther@suse.de>
7762 2006-01-31 Richard Guenther <rguenther@suse.de>
7764 * doc/invoke.texi (-msselibm): Document.
7765 * target.h (expand_library_builtin): New target hook.
7766 * builtins.c (expand_builtin): Use expand_library_builtin.
7767 (default_expand_library_builtin): New function.
7768 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7769 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7770 (link_gcc_math_spec): Declare.
7771 (static_specs): Add link_gcc_math_spec.
7772 * expr.h (default_expand_library_builtin): Declare.
7773 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7774 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7775 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7776 * config/i386/i386.opt (msselibm): New target option.
7777 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7778 (ix86_init_sse_abi_builtins): New function.
7779 (ix86_expand_library_builtin): Likewise.
7780 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7781 (override_options): Handle error conditions wrt -msselibm.
7782 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7783 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7784 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7787 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7790 * c-common.c (self_promoting_args_p): Skip erroneous args.
7793 * c-decl.c (finish_struct): Skip erroneous fields.
7795 2006-05-22 Nick Clifton <nickc@redhat.com>
7797 * config/cris/cris.opt (march): Remove VarExists attribute.
7798 (max-stackframe=): Likewise.
7800 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7802 * doc/rtl.texi: Fix a typo.
7803 * see.c: Fix comment typos.
7805 * tree-ssa-structalias.h (alias_info): Remove num_references.
7807 2006-05-21 Mike Stump <mrs@apple.com>
7809 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7811 (darwin_pragma_options): Use BAD instead.
7812 (darwin_pragma_unused): Likewise.
7813 (darwin_pragma_ms_struct): Likewise.
7815 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7817 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7819 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7821 PR rtl-optimization/27671
7822 * simplify-rtx.c (simplify_relational_operation_1): Fix
7823 simplifications of (eq/ne (xor x y) y) and
7824 (eq/ne (xor x y) x).
7826 PR tree-optimization/26622.
7827 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7830 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7832 * tree-cfg.c: Prune whitespace.
7833 (debug_tree_cfg): Point to correct header containing the
7836 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7839 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7841 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7844 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7845 or sorry count is non zero.
7847 2006-05-20 Andreas Schwab <schwab@suse.de>
7849 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7851 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7852 Kenneth Zadeck <zadeck@naturalbridge.com>
7854 PR rtl-optimization/26855
7856 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7858 (df_scan_alloc): Added code to properly handle multiword hard
7859 registers and add all_blocks parameter.
7860 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7861 code to properly handle multiword hard registers.
7862 (df_rescan_blocks): Added code to remove deleted blocks from
7864 (df_ref_create_structure, df_ref_record): Added code to properly
7866 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7867 and set DF_REF_PARTIAL.
7868 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7869 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7870 (df_scan_add_problem): Added flags parameter.
7871 (df_ref_create_structure): Changed switching structure.
7872 (df_bb_refs_record): Fixed case where duplicate artificial refs
7873 were created. Changed location of flags.
7874 (df_record_entry_block_defs): Added code to make stack pointer
7875 live in entry block. Refined cases where frame pointer is needed.
7876 Changed location of flags.
7877 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7878 (df_set_state): Removed function.
7879 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7880 df_insn_create_insn_record, df_insn_refs_delete,
7881 df_ref_create_structure): Formatting changes.
7882 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7883 df_delete_basic_block): New function.
7884 (df_init): Changed location of flags.
7885 (df_add_problem): Added flags parameter and the way flags are
7887 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7888 debug_df_chain): Improved debugging output.
7889 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7890 (df_refs_chain_dump): Removed df parameter.
7891 (df_iterative_dataflow): Added consistency check.
7892 (df_prune_to_subcfg): Made public.
7893 (df_analyze_problem): Added blocks_to_init parameter and made
7895 (df_ref_record, df_bb_refs_record, df_mark_reg,
7896 df_record_exit_block_uses): Whitespace changes.
7897 (df_dump): Whitespace changes.
7898 * df.h: Some reordering to remove forward references.
7899 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7900 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7901 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7902 (dataflow.flags): New field.
7903 (df.flag): Deleted field.
7904 (df_alloc_function): Added additional bitmap parameter.
7905 (df_dependent_problem_function): New type.
7906 (df_problem.changeable_flags): New field.
7907 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7908 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7909 (df_mw_hardreg): New struct.
7910 (DF_INSN_UID_MWS): New macro.
7911 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7913 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7914 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7915 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7916 (df_set_state): Removed function.
7917 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7918 * df-problems.c (df_chain_dump): Removed df parameter.
7919 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7920 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7922 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7923 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7924 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7925 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7926 DF_REF_MUST_CLOBBER cases.
7927 (df_ru_bb_local_compute_process_def,
7928 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7929 df_lr_bb_local_compute, df_ur_bb_local_compute,
7930 df_chain_create_bb): Made subreg aware.
7931 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7932 df_lr_bb_local_compute, df_lr_bb_local_compute,
7933 df_chain_create_bb): Cleanup to use proper macros.
7934 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7935 code to fixup bitvectors.
7936 (df_ri_alloc): Cleared lifetime.
7937 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7938 df_create_unused_note): New function.
7939 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7940 REG_DEAD and REG_UNUSED notes as well as register information.
7941 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7942 df_chains_dump): Fixed crash if problem was never run.
7943 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7944 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7945 df_ri_add_problem): Processes flags in uniform manner.
7946 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7947 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7948 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7949 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7950 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7951 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7952 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7953 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7954 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7955 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7956 * see.c (see_initialize_data): Ditto.
7957 * final.c (rest_of_clean_state) Added regstack_completed.
7958 * rtl.h (regstack_completed): Ditto.
7959 * reg-stack.c (regstack_completed): Ditto.
7961 2006-05-19 Mike Stump <mrs@apple.com>
7963 * c-tree.h (default_conversion): Remove.
7964 * c-common.h (default_conversion): Add.
7966 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7968 * tree-vrp.c (valid_value_p): New function.
7969 (adjust_range_with_scev): Fail if the value of bound is not
7972 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7974 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7975 (mips_fallback_frame_state): Use syscall numbers to determine
7976 the appropriate li instruction for the current ABI. Only use
7977 __NR_sigreturn for o32.
7979 2006-05-19 Nicolas Setton <setton@adacore.com>
7981 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7982 * langhooks.c (lhd_dwarf_name): New function.
7983 * langhooks-def.h (lhd_dwarf_name): Declare.
7984 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7985 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7986 * ada/misc.c (gnat_dwarf_name): New function.
7987 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7989 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7991 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7993 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7994 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7995 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7996 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7997 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7998 determine the size of Wtype, etc.
7999 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8000 (swfloatfuncs): New variable.
8001 (dwfloatfuncs): Likewise.
8002 (lib2funcs): Remove floating-point conversion functions from
8003 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8004 the set of conversion routines needed. Allow entries to specify
8005 an object name, filename and word size. Update users accordingly.
8006 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8007 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8011 2006-02-08 Roger Sayle <roger@eyesopen.com>
8014 * config/fixtfdi.c: New libgcc source file.
8015 * config/fixunstfdi.c: New source file.
8016 * config/floatditf.c: New source file.
8017 * config/floatunditf.c: New souce file.
8018 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8019 files above instead of config/mips/_tilib.c.
8020 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8022 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8024 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8025 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8027 2006-05-18 Mike Stump <mrs@apple.com>
8029 Fix up vla, vm and [*] sematics.
8035 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8036 (c_vla_unspec_p): Add.
8037 (c_vla_type_p): Add.
8038 * c-decl.c (struct c_scope): Add had_vla_unspec.
8039 (build_array_declarator): Add support for [*].
8040 (grokdeclarator): Likewise.
8041 (grokparms): Likewise.
8042 (get_parm_info): Likewise.
8043 * c-objc-common.c (c_vla_unspec_p): Likewise.
8044 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8045 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8046 typeof when argument is a variably modified type not inside sizeof or alignof.
8047 (c_parser_direct_declarator_inner): Propagate errors.
8048 (c_parser_sizeof_expression): Add support for [*].
8049 (c_parser_parms_declarator): Initialize had_vla_unspec.
8050 (c_parser_parms_list_declarator): Likewise.
8051 * c-typeck.c (c_vla_type_p): Add.
8052 (composite_type): Add support for vla compositing.
8053 (comptypes_internal): Add support for vla compatibility.
8054 (c_expr_sizeof_expr): Evaluate vla arguments.
8055 * tree.c (variably_modified_type_p): Update comment for [*].
8057 2006-05-18 Michael Matz <matz@suse.de>
8060 * config.host: Make assignments to host_xmake_file cumulative.
8061 * config.host (*-darwin*): Test $host, not $target.
8063 2006-05-12 Stuart Hastings <stuart@apple.com>
8065 * config/i386/i386.opt (-mstackrealign): New flag.
8066 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8067 (ix86_handle_cconv_attribute): Emit error when
8068 force_align_arg_pointer attribute collides with too many regparms.
8069 (ix86_function_regparm): Limit regparms when used with
8070 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8071 Support stack-realigning prologue in non-main functions. Emit
8072 warning for nested functions under -mstackrealign, emit error for
8073 nested functions with force_align_arg_pointer attribute.
8074 * doc/extend.texi (force_align_arg_pointer): Document it.
8075 * doc/invoke.texi (-mstackrealign): Document it.
8077 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8079 PR rtl-optimization/27477
8080 * combine.c (try_combine): Don't split a parallel consisting
8081 of two sets into two individual sets if both sets reference
8084 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8086 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8087 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8089 * doc/options.texi (VarExists): Updated.
8091 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8093 * unwind-dw2.c: Add declarations for uw_update_context and
8095 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8096 detected, advance frame state and context once to skip over stub.
8098 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8102 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8103 Call rewrite_into_loop_closed_ssa only when something changed.
8104 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8105 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8106 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8107 Test for perfect_nest_p here. Fix formating.
8108 (replace_uses_equiv_to_x_with_y): Fix formating.
8109 (stmt_uses_op): Removed.
8110 (can_convert_to_perfect_nest): Removed loopivs parameter.
8111 Complete the test by checking the scalar dependences.
8112 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8115 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8118 From Dan Kegel <dank@kegel.com>:
8119 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8121 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8123 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8124 if the element type is variably modified without recursing.
8126 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8129 * tree-loop-linear.c (try_interchange_loops): Test for
8130 no data dependences.
8132 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8134 PR tree-optimization/27548
8135 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8136 range of ssa names that appear on abnormal edges.
8137 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8138 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8140 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8143 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8145 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8148 * tree.h (OMP_PARALLEL_COMBINED): Define.
8149 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8150 (new_omp_context): Add is_combined_parallel argument.
8151 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8152 new_omp_context caller.
8153 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8154 Adjust gimplify_scan_omp_clauses callers.
8155 (omp_is_private): Issue errors if iteration variable is firstprivate
8156 or reduction in the current context.
8157 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8158 on combined parallel workshare constructs.
8160 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8162 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8163 (gcc-options.o): New rule.
8165 * optc-gen.awk: Protect variables for gcc-options.o with
8166 #ifdef GCC_DRIVER/#endif.
8168 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8170 Fix PR tree-optimization/27373
8171 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8172 (forward_propagate_addr_expr): Update call.
8174 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8176 * doc/options.texi: Move the Negative option.
8178 2006-05-16 Richard Guenther <rguenther@suse.de>
8180 PR tree-optimization/22303
8181 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8183 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8184 ccp_fold did not simplify the statement.
8186 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8189 * Makefile.in (GCC_OBJS): New.
8190 (OBJS-common): Add opts-common.o.
8191 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8192 (cpp$(exeext)): Likewise.
8193 (gcc.o): Also depend on opts.h.
8194 (opts-common.o): New.
8196 * common.opt (gcoff): Add Negative(gdwarf-2).
8197 (gdwarf-2): Add Negative(gstabs).
8198 (gstabs): Add Negative(gstabs+).
8199 (gstabs+): Add Negative(gvms).
8200 (gvms): Add Negative(gxcoff).
8201 (gxcoff): Add Negative(gxcoff+).
8202 (gxcoff+): Add Negative(gcoff).
8203 * config/i386/i386.opt (m32): Add Negative(m64).
8204 (m64): Add Negative(m32).
8206 * doc/options.texi: Document the Negative option.
8208 * gcc.c: Include "opts.h".
8209 (main): Call prune_options after expandargv.
8211 * optc-gen.awk: Generate common declarations for all flag
8212 variables in options.c. Output the neg_index field.
8214 * opts.c (find_opt): Moved to ...
8215 * opts-common.c: Here. New file.
8217 * opts.h (cl_option): Add a neg_index field.
8219 (prune_options): Likewise.
8221 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8224 * omp-low.c (expand_omp_parallel): Don't assert
8225 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8226 instead search for it.
8229 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8232 2006-05-16 Andreas Schwab <schwab@suse.de>
8234 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8237 2006-05-15 Roger Sayle <roger@eyesopen.com>
8240 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8241 integer constants other than zero are only legitimate on TARGET_64BIT.
8242 <CONST_VECTOR> Only zero vectors are legitimate.
8243 (ix86_cannot_force_const_mem): Integral and vector constants can
8244 always be put in the constant pool.
8246 2006-05-16 DJ Delorie <dj@redhat.com>
8248 * crtstuff.c (__dso_handle): Set section from
8249 TARGET_LBIGCC_SDATA_SECTION if defined.
8250 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8251 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8253 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8256 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8259 2006-05-16 Ben Elliston <bje@au.ibm.com>
8261 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8263 2006-05-15 Per Bothner <per@bothner.com>
8265 * tree.c: (last_annotated_node): Use source_locus typedef.
8266 This permits bootstrapping with --enable-mapped-location.
8268 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8270 PR tree-optimization/26830
8271 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8272 (info_for_ssa_name, current_info_for_ssa_name_age,
8273 blocks_to_update): New variables.
8274 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8275 (clear_ssa_name_info, initialize_flags_in_bb,
8276 mark_block_for_update): New functions.
8277 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8278 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8279 prepare_def_site_for): Use mark_block_for_update.
8280 (mark_def_interesting): Assert that the processed block is marked in
8281 blocks_to_update. Do not take blocks argument.
8282 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8284 (rewrite_update_init_block, rewrite_update_stmt): Only process
8285 blocks with statements to rewrite.
8286 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8287 (update_ssa): Initialize and free blocks_to_update. Do not
8288 clear flags on statements. Do not use blocks bitmap.
8289 * tree.h (SSA_NAME_AUX): Removed.
8290 (struct tree_ssa_name): Removed aux field.
8291 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8293 2006-05-15 Richard Guenther <rguenther@suse.de>
8295 PR tree-optimization/27603
8296 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8297 Do computations in original type.
8299 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8301 * see.c: Code style changes such as redundant paranthesis,
8302 redundant intialization of local variables etc.
8303 (see_main): Declared now as static.
8304 * doc/invoke.texi: Update that -fsee is not enabled by
8307 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8309 * omp-low.c (check_omp_nesting_restrictions): New function.
8310 (scan_omp_1): Call it.
8313 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8314 construct, return *VAR.
8316 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8318 PR rtl-optimization/27406
8319 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8322 2006-05-14 Roger Sayle <roger@eyesopen.com>
8324 PR rtl-optimization/27538
8325 * combine.c (expand_compound_operation): Call gen_lowpart
8326 before calling simplify_shift_const.
8328 2006-05-14 Roger Sayle <roger@eyesopen.com>
8330 PR rtl-optimization/22563
8331 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8332 a fixed width bitfield, always force the intermediates into psuedos.
8334 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8337 * mkconfig.sh: Use operator = instead of == for test.
8339 2006-05-13 Nick Clifton <nickc@redhat.com>
8341 * dwarf2out.c (dbx_reg_number): Check return value from
8342 LEAF_REG_REMAP and only use it if it is valid.
8343 (multiple_reg_loc_descriptor): Likewise.
8345 2006-05-13 Richard Guenther <rguenther@suse.de>
8347 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8350 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8352 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8353 information attached to non-INSNs such as NOTEs.
8354 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8356 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8358 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8360 * config/s390/s390.md: Adjust comment describing On constraint.
8362 2006-05-11 Jan Hubicka <jh@suse.cz>
8364 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8365 to be output at -O0.
8367 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8370 * fold-const.c (size_binop): Move sanity check for arguments to
8371 the beginning of the function.
8374 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8377 2006-05-11 Richard Guenther <rguenther@suse.de>
8380 * fold-const.c (fold_unary): Handle intermediate conversion
8381 to a pointer type like intermediate conversion to an integer
8382 type in folding of (T1)(T2)var to var.
8383 Match the code to the comment in the final conversion for
8384 (T1)(T2)var to (T1)var regarding to type precision. Rather
8385 than disallow T1 being of pointer type, assert that both T1
8386 and var are of pointer type or not. Make sure not to fall
8387 over the frontends lazyness wrt array to pointer decay though.
8389 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8391 * arm.c (arm_struct_value_rtx): Delete.
8392 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8393 (arm_init_cumulative_args): Always initialize nregs to zero.
8395 2006-05-10 Richard Guenther <rguenther@suse.de>
8397 PR tree-optimization/27532
8398 * tree-object-size.c (plus_expr_object_size): Fix typo.
8400 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8403 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8404 ashrdi_const, ashrdi3): Use a scratch register.
8406 2006-05-10 Richard Guenther <rguenther@suse.de>
8408 PR tree-optimization/27302
8409 * fold-const.c (operand_equal_p): For two comparisons,
8410 try comparison of one comparison code swapped if that yields
8413 2006-05-10 Ben Elliston <bje@au.ibm.com>
8415 * tree-pretty-print.c (pretty_print_string): No need to handle
8416 '\0' as a special character.
8418 * tree.h: Include "hashtab.h".
8419 (iterative_hash_expr): Use hashval_t in its prototype.
8420 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8422 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8425 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8426 (hppa*64*-*-hpux11*): Ditto.
8427 (hppa[12]*-*-hpux11*): Ditto.
8429 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8432 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8434 2006-05-09 Michael Matz <matz@suse.de>
8436 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8437 host_extra_gcc_objs and host_xmake_file.
8438 (<*-*-linux*>): Don't overwrite host_xmake_file.
8439 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8440 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8441 (host_detect_local_cpu): Declare.
8442 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8443 * config/i386/i386.c (override_options): Handle -mtune=native
8445 * config/i386/x-i386: New file.
8446 * config/i386/driver-i386.c: New file.
8447 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8450 2006-05-09 Dirk Mueller <dmueller@suse.de>
8451 Richard Guenther <rguenther@suse.de>
8454 * fold-const.c (fold_read_from_constant_string): Relax check
8455 for matching types to matching modes.
8457 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8459 PR rtl-optimization/27335
8460 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8463 2006-05-08 Chao-ying Fu <fu@mips.com>
8464 Richard Sandiford <richard@codesourcery.com>
8466 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8467 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8468 * config/mips/mips.md (UNSPEC_SCC): New constant.
8469 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8470 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8471 (mips_emit_compare): Use it.
8472 (mips_expand_vcondv2sf): New function.
8474 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8476 Fix PR tree-optimization/27093
8477 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8478 renaming when they become not-used_alone.
8480 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8482 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8483 relocation and relocation stubs.
8485 2006-05-08 Eric Christopher <echristo@apple.com>
8487 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8490 2006-05-08 Jan Hubicka <jh@suse.cz>
8493 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8494 unused static functions are needed.
8496 2006-05-08 Roger Sayle <roger@eyesopen.com>
8499 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8500 of a reg_equiv_constant if the result is a legitimate constant.
8502 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8505 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8506 standard 80387 constants, raise the cost to prevent
8507 compress_float_constant() to generate load from memory.
8509 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8511 * config/arm/constraints.md (c): Fix a typo.
8513 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8516 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8519 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8521 (_mm_mwait): Likewise.
8523 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8525 (sse3_monitor): Make it 32bit only.
8526 (sse3_monitor64): New. 64bit monitor.
8528 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8531 * config/i386/i386.c (classify_argument): Skip fields with invalid
8534 2006-05-07 Richard Guenther <rguenther@suse.de>
8536 PR tree-optimization/27409
8537 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8538 Do not try to find zero-sized subvars.
8540 2006-05-07 Richard Guenther <rguenther@suse.de>
8542 PR tree-optimization/27136
8543 * tree-ssa-loop-niter.c (get_val_for): Correct function
8544 comment, assert requirements.
8545 (loop_niter_by_eval): Stop processing if the iterated
8546 value did not simplify.
8548 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8550 * opts.c (flag_see): remove its setting at -O3.
8552 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8554 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8555 * arm/constraints.md: New file.
8556 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8557 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8558 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8559 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8560 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8561 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8562 * arm.md: Include constraints.md.
8563 (thumb_movsi_insn): Use satisfies_constraint_J.
8564 (movhi, movqi): Use satisfies_constraint_I.
8566 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8568 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8569 for atmeg a645 device.
8571 2006-05-06 Richard Guenther <rguenther@suse.de>
8573 PR tree-optimization/27151
8574 * tree-vect-transform.c (vectorizable_condition): Punt on
8575 values that have a different type than the condition.
8577 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8580 * c-parser.c (c_parser_cast_expression): Only insert casts into
8581 hash table if pointer.
8582 * function.c (used_types_insert_helper): Rename from
8584 (used_types_insert): Call used_types_insert_helper.
8585 * function.h (used_types_insert): Accept only one argument.
8587 2006-05-05 David Edelsohn <edesohn@gnu.org>
8589 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8590 scratch with output modifier.
8592 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8595 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8596 with output modifier.
8598 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8601 * config/mips/mips.c (mips_symbolic_address_p): Return true
8602 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8603 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8605 2006-05-04 Richard Guenther <rguenther@suse.de>
8607 PR tree-optimization/14287
8608 PR tree-optimization/14844
8609 PR tree-optimization/19792
8610 PR tree-optimization/21608
8611 PR tree-optimization/27090
8612 * tree-ssa-pre.c (try_combine_conversion): New function.
8613 (compute_avail): After constructing the value-handle
8614 expression, use try_combine_conversion to combine NOP_EXPRs
8615 with previous value-handle expressions and use the result if it
8618 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8620 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8622 2006-05-04 Jan Hubicka <jh@suse.cz>
8625 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8627 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8629 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8630 that this only matches CONST_INTs. All users changed to VOIDmode
8633 * config/bfin/bfin.c: Include "optabs.h".
8634 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8636 (enum bfin_builtins): Add a number of fractional and vector builtins.
8637 (bfin_init_builtins): Likewise.
8638 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8639 (safe_vector_operand, bfin_expand_binop_builtin,
8640 bfin_expand_unop_builtin): New functions.
8641 (bfin_expand_builtin): Handle the new builtins.
8642 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8645 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8648 * Makefile.in (OBJS-common): Add see.o.
8649 (see.o): Add dependencies.
8650 * common.opt (fsee): New flag for the see optimization was added.
8651 * opts.c (flag_see): Initialized.
8652 * passes.c (init_optimization_passes, pass_see): New pass.
8653 * rtl.h (see_main): Declaration as extern.
8654 * timevar.def (TV_SEE): New.
8655 * tree-pass.h (pass_see): Declaration as extern.
8656 * invoke.texi (-fsee): Document.
8657 * recog.c (validate_simplify_insn): New function.
8658 * recog.h (validate_simplify_insn): Declaration as extern.
8659 * df-problems.c (df_chain_dump): Check for NULL.
8661 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8662 Daniel Berlin <dberlin@dberlin.org>
8664 * cfgrtl.c (insert_insn_bb_end_new): New function.
8665 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8667 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8669 * df.h (struct web_entry): Moved from web.c.
8670 (union_defs): Declaration as extern.
8671 (unionfind_root): Likewise.
8672 (unionfind_union): Likewise.
8673 * web.c (struct web_entry): Moved to df.h.
8674 (unionfind_root): Remove static declaration.
8675 (unionfind_union): Likewise.
8676 (union_defs): Likewise and generalize to use callback function.
8677 (web_main): Update arguments for union_defs function call.
8679 2006-05-04 Richard Guenther <rguenther@suse.de>
8681 PR tree-optimization/26447
8682 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8683 produce SSA_NAME copies before the store stmt to avoid
8684 breaking exception handling.
8686 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8689 * gimplify.c (omp_is_private): If var is shared in some outer context,
8690 return false instead of true. Stop searching on parallel context
8693 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8696 * coverage.c: Use get_gcov_unsigned_t() instead of
8697 unsigned_type_node all over.
8699 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8701 PR tree-optimization/27381
8702 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8703 maintain the same immediate_use links.
8704 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8705 node rather than segfaulting.
8707 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8710 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8711 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8712 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8714 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8716 Fix PR tree-optimization/26626
8717 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8719 * tree-ssa-operands.c (access_can_touch_variable): Allow
8720 typecasting through union pointers.
8722 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8725 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8726 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8727 to find if var will be a global variable even in the nested context.
8728 (omp_copy_decl): Only check for global variable at the end, it might
8729 be overridden in outer contexts.
8730 (scan_sharing_clauses): For global variables don't create a field.
8731 (lower_rec_input_clauses): Do nothing for global shared variables.
8732 Emit a barrier at the end of ILIST if there were any decls in both
8733 firstprivate and lastprivate clauses.
8734 (lower_send_clauses): Do nothing for global variables except for
8737 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8739 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8740 of the correct signedness is returned.
8742 2006-05-02 Jeff Law <law@redhat.com>
8744 PR tree-optimization/27364
8745 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8746 multiply expressions.
8748 2006-05-02 Tom Tromey <tromey@redhat.com>
8750 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8752 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8755 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8756 -mthumb -fPIC are used.
8758 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8759 Joshua Kinard <kumba@gentoo.org>
8762 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8763 with 64-bit pointers.
8765 2006-05-02 Paul Brook <paul@codesourcery.com>
8767 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8769 (create_fix_barrier): Check that a suitable barrier location is
8771 (arm_reorg): Include ftmp->address in allowable range of addresses.
8773 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8776 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8779 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8782 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8783 around RESULT_DECL for result passed by reference.
8784 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8785 * omp-low.c (use_pointer_for_field): Don't look at
8786 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8787 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8788 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8789 time or var for passing by reference for
8790 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8791 TREE_ADDRESSABLE variables when passing by reference.
8793 * omp-low.c (dump_omp_region): Fix output formatting.
8796 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8797 (expand_omp_parallel): Likewise.
8798 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8801 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8802 on statement list containing also constructors and destructors.
8803 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8806 * except.c (duplicate_eh_regions): Fix clearing of
8807 cfun->eh->region_array entries.
8809 2006-05-01 DJ Delorie <dj@redhat.com>
8811 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8813 (gcc_cv_objdump): Likewise.
8814 * configure: Regenerated.
8816 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8819 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8820 templates for case 3 and 4.
8822 2006-05-01 DJ Delorie <dj@redhat.com>
8824 * vec.c: Include bconfig.h when appropriate.
8825 * Makefile.in (build/vec.o): Adjust dependencies.
8826 * mkconfig.sh: Make sure config.h isn't used for build machine
8829 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8831 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8833 (mark_phi_for_rewrite): New function.
8834 (insert_phi_nodes_for, mark_use_interesting): Call
8835 mark_phi_for_rewrite.
8836 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8837 (update_ssa): Initialize and free phis_to_rewrite.
8839 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8841 PR rtl-optimization/27291
8842 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8843 folded to a constant.
8845 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8847 PR tree-optimization/27283
8848 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8849 not whole # of iteration descriptions.
8850 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8851 uses abnormal ssa name.
8852 (niter_for_single_dom_exit): Ditto.
8853 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8854 return just the number of iterations.
8856 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8858 PR tree-optimization/27144
8859 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8860 (record_estimate): Only record constant upper bound.
8861 (infer_loop_bounds_from_undefined): Call
8862 compute_estimated_nb_iterations just once.
8863 (proved_non_wrapping_p): Renamed to ...
8864 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8865 (convert_step_widening, scev_probably_wraps_p): Call
8866 n_of_executions_at_most instead of proved_non_wrapping_p.
8867 (substitute_in_loop_info): Do not replace values in bounds.
8868 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8871 2006-05-01 Richard Henderson <rth@redhat.com>
8874 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8875 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8878 2006-05-01 Roger Sayle <roger@eyesopen.com>
8880 * c-typeck.c (parser_build_binary_op): Don't call the function
8881 unsigned_conversion_warning to spot operand/result type overflow.
8882 (build_binary_op): Instead, call convert_and_check instead of
8883 convert to report the problem when the operands are promoted.
8884 * c-common.c (unsigned_conversion_warning): Make static.
8885 * c-common.h (unsigned_conversion_warning): Delete prototype.
8887 2006-05-01 Richard Guenther <rguenther@suse.de>
8889 PR tree-optimization/26726
8890 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8892 (find_interesting_uses_address): ... we work around here
8893 by folding INDIRECT_REFs in the substituted base.
8895 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8897 * omp-low.c (dump_omp_region): Add newlines.
8899 2006-04-30 Roger Sayle <roger@eyesopen.com>
8901 * common.opt (Woverflow): New command line option.
8902 * c-common.c (constant_expression_warning): Check warn_overflow.
8903 (overflow_waring): Pass OPT_Woverflow to warning.
8904 (unsigned_conversion_warning): Likewise.
8905 (convert_and_check): Likewise.
8906 * doc/invoke.texi: Document new command line option.
8908 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8910 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8911 TARGET_NO_FP_IN_TOC for section anchors.
8912 (optimization_options): Enable section anchors for all
8913 non-"Objective" languages.
8915 2006-04-28 Eric Christopher <echristo@apple.com>
8917 * config/darwin-c.c (darwin_ms_struct): Move this
8918 (darwin_set_default_type_attributes): and this...
8919 * config/darwin.c: ... here.
8920 * config/darwin.h (darwin_ms_struct): Declare.
8922 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8924 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8926 2006-04-28 Roger Sayle <roger@eyesopen.com>
8929 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8930 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8931 an unsigned HOST_WIDE_INT.
8932 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8934 (really_start_incremental_init): No need to call convert because
8935 bitsize_zero_node is already of type bitsizetype.
8936 (push_init_level): Extract the value of constructor_index as an
8937 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8938 (process_init_element): Likewise.
8940 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8942 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8943 value before passing to make_relative_prefix.
8945 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8948 * builtins.c (expand_builtin_memset): Expand val in original mode.
8950 2006-04-27 Eric Christopher <echristo@apple.com>
8952 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8953 with #ifndef/#endif.
8954 * config/darwin-c.c (darwin_ms_struct): New.
8955 (darwin_pragma_ms_struct): Ditto.
8956 (darwin_set_default_type_attributes): Ditto.
8957 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8958 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8959 Register ms_struct pragma.
8960 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8961 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8962 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8963 darwin_set_default_type_attributes if TARGET_MACHO.
8965 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8967 PR tree-optimization/26854
8968 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8969 * doc/tree-ssa.texi: Update immuse iterator documentation.
8970 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8971 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8972 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8973 first_safe_imm_use, next_safe_imm_use): Remove.
8974 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8975 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8976 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8977 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8978 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8979 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8980 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8981 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8982 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8983 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8984 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8985 (perfect_nestify): Use new iterator.
8986 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8988 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8989 (next_imm_name): New field in struct immediate_use_iterator_d.
8990 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8991 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8992 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8993 * tree-cfg.c (replace_uses_by): Use new iterator.
8994 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8995 * tree-ssa-operands.c (correct_use_link): Remove.
8996 (finalize_ssa_use_ops): No longer call correct_use_link.
8998 2006-04-27 Stuart Hastings <stuart@apple.com>
9000 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9001 * config/t-darwin (crt3.o): Use it.
9002 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9003 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9004 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9005 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9006 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9009 2006-04-27 Roger Sayle <roger@eyesopen.com>
9011 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9012 size, force the intermediate into a new pseudo rather instead of
9013 performing both a bitwise AND and a bitwise IOR in memory.
9015 2006-04-27 Richard Guenther <rguenther@suse.de>
9017 PR rtl-optimization/26685
9018 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9019 this one "max-flow-memory-locations".
9021 2006-04-27 Richard Guenther <rguenther@suse.de>
9023 PR tree-optimization/25148
9024 * tree-vrp.c (compare_values): Remove code dealing with
9025 comparisons against type min/max value. Honour overflow
9026 and negative constants in code dealing with comparisons
9027 of plus and minus expressions.
9028 (value_inside_range): Use fold_binary with LE_EXPR and
9029 GE_EXPR rather than compare_values.
9031 2006-04-27 Dirk Mueller <dmueller@suse.de>
9033 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9036 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9038 * basic-block.h (safe_insert_insn_on_edge): Removed.
9039 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9041 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9042 Paolo Bonzini <bonzini@gnu.org>
9045 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9046 (simplify_and_const_int): Same.
9048 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9050 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9052 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9055 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9056 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9057 cgraph_global_info_ready.
9060 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9063 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9064 either decl or init is error_mark_node.
9067 * tree-flow.h (struct omp_region): Add sched_kind.
9068 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9069 instead of extracting omp for data.
9070 (expand_omp_for): Save extracted sched_kind.
9072 2006-04-25 Roger Sayle <roger@eyesopen.com>
9074 * expmed.c (store_bit_field): Also check whether the bitsize is
9075 valid for the machine's "insv" instruction before moving the
9076 target into a pseudo for use with the insv.
9077 * config/i386/predicates.md (const8_operand): New predicate.
9078 * config/i386/i386.md (extv, extzv, insv): Use the new
9079 const8_operand predicate where appropriate.
9081 2006-04-25 DJ Delorie <dj@redhat.com>
9083 * doc/install.texi (Specific): Clarify that this is not a list of
9084 supported hosts or targets.
9086 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9088 PR rtl-optimization/26725
9089 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9090 block's BB_DIRTY flag.
9092 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9094 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9097 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9098 to print an integer.
9100 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9102 * varasm.c (align_variable): New function.
9103 (get_block_for_decl): Apply align_variable to DECL before
9104 calculating section information.
9105 (assemble_variable): Split out alignment computation.
9107 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9109 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9112 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9114 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9115 MODE_PARTIAL_INT mode.
9116 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9117 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9119 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9120 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9122 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9124 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9126 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9127 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9128 MACFLAG_IH): Likewise.
9129 (movstricthi_1): Renamed from "*movstricthi".
9130 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9131 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9132 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9133 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9134 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9135 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9136 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9137 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9138 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9139 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9140 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9141 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9142 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9143 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9144 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9146 * doc/rtl.texi (ss_ashift): Improve wording.
9148 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9150 * dwarf2out.c (verify_marks_clear): New.
9151 (prune_unused_types): Call verify_marks_clear initially, not
9154 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9156 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9157 * doc/rtl.texi: Document them.
9158 * simplify-rtx.c (simplify_unary_operation,
9159 simplify_binary_operation_1): Don't abort when we see them.
9161 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9164 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9165 * configure.ac: Completely disregard languages that are not
9167 * configure: Regenerated.
9169 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9170 Richard Guenther <rguenther@suse.de>
9172 PR tree-optimization/27236
9173 * tree-inline.c (copy_body_r): Make sure to copy
9174 TREE_THIS_VOLATILE flag.
9176 2006-04-24 Richard Guenther <rguenther@suse.de>
9179 * tree-complex.c (update_parameter_components): Don't handle
9180 unused parameters which have no default def.
9182 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9183 Richard Guenther <rguenther@suse.de>
9185 PR tree-optimization/27218
9186 * tree-inline.c (expand_call_inline): Strip useless type
9187 conversions for the return slot address.
9189 2006-04-24 Richard Guenther <rguenther@suse.de>
9191 * cfgloop.h (struct loops): Remove unused field array. Reorder
9193 (LOOP_PREFETCH): Remove.
9195 2006-04-24 Richard Guenther <rguenther@suse.de>
9197 PR tree-optimization/22525
9198 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9199 variable, adjust types of generated expressions.
9201 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9203 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9204 (tree-vect-patterns.o): Likewise.
9206 (cselib.o): Likewise.
9207 (loop-doloop.o): Likewise.
9208 (regclass.o): Likewise.
9209 (reload1.o): Likewise.
9210 (explow.o): Replace target.h with $(TARGET_H).
9211 (ipa-prop.o): Likewise.
9212 (ipa-cp.o): Likewise.
9213 (ipa-inline.o): Likewise.
9214 (reorg.o): Likewise.
9215 (reg-stack.o): Likewise.
9217 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9219 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9221 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9223 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9225 * configure.ac: Completely disregard languages that are not
9227 * configure: Regenerated.
9230 * c-common.h (c_build_bitfield_integer_type): Declare.
9231 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9232 * c-common.c (c_build_bitfield_integer_type): ... here.
9234 2006-04-23 Roger Sayle <roger@eyesopen.com>
9237 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9238 a SImode SUBREG of a floating point register after no_new_pseudos.
9240 2006-04-23 Roger Sayle <roger@eyesopen.com>
9242 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9243 identify potentially eliminable registers to additionally catch
9244 VIRTUAL_INCOMING_ARGS_REGNUM.
9245 (addsi3): Update the conditions on when to use addsi_small_int.
9247 2006-04-23 Roger Sayle <roger@eyesopen.com>
9250 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9251 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9252 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9254 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9256 * fold-const.c (range_predecessor): Use operand_equal_p
9257 as the predicate for equality.
9258 (range_successor): Likewise.
9260 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9263 * config/soft-fp/op-common.h: Fix a typo.
9265 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9268 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9269 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9271 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9273 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9275 * doc/tm.texi: Fix a typo.
9277 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9279 * dwarf2out.c (struct die_struct): Document that die_sib makes
9280 a circular linked list.
9281 (FOR_EACH_CHILD): New.
9282 (reverse_die_lists): Delete.
9283 (reverse_all_dies): Delete.
9284 (add_dwarf_attr): Correct documentation.
9285 (remove_child_with_prev): New.
9286 (remove_child_TAG): Update for change to die_struct, use
9287 remove_child_with_prev.
9288 (add_child_die): Update for change to die_struct.
9289 (splice_child_die): Use remove_child_with_prev and add_child_die.
9290 (print_die): Use FOR_EACH_CHILD.
9291 (die_checksum): Likewise.
9292 (assign_symbol_names): Likewise.
9293 (output_location_lists): Likewise.
9294 (build_abbrev_table): Likewise.
9295 (calc_die_sizes): Likewise.
9296 (mark_dies): Likewise.
9297 (unmark_dies): Likewise.
9298 (unmark_all_dies): Likewise.
9299 (output_die): Likewise.
9300 (prune_unused_types_mark): Likewise.
9301 (prune_unused_types_walk): Likewise.
9302 (same_die_p): Update for change to die_struct.
9303 (break_out_includes): Likewise.
9304 (prune_unused_types_prune): Likewise.
9305 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9306 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9308 (dwarf2out_finish): Don't call reverse_all_dies.
9310 2006-04-21 Eric Christopher <echristo@apple.com>
9312 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9313 in comments and function names.
9315 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9318 * c-typeck.c (digest_init): Robustify.
9320 * c-typeck.c (pop_init_level): Simplify.
9322 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9324 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9326 2006-04-21 Paul Brook <paul@codesourcery.com>
9328 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9329 hardware floating point.
9331 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9333 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9336 2006-04-21 Nick Clifton <nickc@redhat.com>
9338 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9341 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9344 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9345 C++ lang type in traceback table for Objective-C++.
9347 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9349 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9351 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9353 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9356 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9357 were errors. Remove check for erroneous objects.
9359 2006-04-20 Jeff Law <law@redhat.com>
9361 PR tree-optimization/26854
9362 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9363 checking for zero or one use.
9364 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9365 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9366 * tree-ssa-reassoc.c (negate_value): Similarly.
9367 (reassociate_bb): Similarly.
9369 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9371 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9372 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9373 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9375 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9377 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9378 fp regs if the last fp arg doesn't fit in regs.
9380 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9383 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9384 that the last insn has the REG_INC note.
9386 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9387 Nathan Sidwell <nathan@codesourcery.com>
9390 * stor-layout.c (update_alignment_for_field): Do not align
9392 (place_union_field): Place union field at the start of the union.
9393 (place_field): Move ERROR_MARK check later, and use the current
9394 allocation position to maintain monotonicity.
9396 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9398 * dominance.c: Include timevar.h.
9399 (calculate_dominance_info): Use TV_DOMINANCE.
9400 * timevar.def (TV_DOMINANCE): New timevar.
9401 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9403 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9405 PR rtl-optimization/14261
9406 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9407 move would be an INSV insn.
9408 (noce_process_if_block): Don't optimize if the destination is a
9409 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9411 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9413 * config/s390/s390.md: Add comments with the instructions emitted
9414 by an insn pattern if macros are used.
9416 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9418 PR rtl-optimization/26026
9419 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9420 is a known power of two shifted left a variable amount.
9422 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9424 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9425 to hash table twice when the debug_str section has SECTION_MERGE.
9427 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9429 * config/soft-fp: New directory. From glibc.
9430 * config/soft-fp/t-softfp: New.
9431 * config/soft-fp/README: New.
9432 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9433 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9434 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9435 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9436 * config.gcc: Use rs6000/t-fprules-fpbit or
9437 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9439 * config/rs6000/sfp-machine.h: New. Based on glibc.
9440 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9442 * config/rs6000/t-fprules: Remove fp-bit rules.
9443 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9444 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9445 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9446 (softfp_wrap_start, softfp_wrap_end): New.
9448 2006-04-18 DJ Delorie <dj@redhat.com>
9450 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9452 2006-04-18 Devang Patel <dpatel@apple.com>
9454 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9456 2006-04-18 Nick Clifton <nickc@redhat.com>
9458 * config/sh/t-symbian: Add rule to build sh-c.o
9459 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9460 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9461 (sh_symbian_encode_section_info): Likewise.
9463 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9465 * builtins.c (expand_builtin_strcmp): Cover label definition of
9466 do_libcall with HAVE_cmpstrnsi.
9468 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9470 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9472 * function.h (temp_slot_p): New.
9473 (function): Change the type of x_used_temp_slots to
9474 VEC(temp_slot_p,gc) *.
9476 2006-04-18 Nick Clifton <nickc@redhat.com>
9478 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9479 flag_strength_reduce.
9481 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9483 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9487 Partial revert of revision 112637
9488 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9489 Dale Johannesen <dalej@apple.com>
9492 * regclass.c (struct reg_pref): Update documentation.
9493 (regclass): Set prefclass to NO_REGS if memory is the best option.
9494 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9496 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9498 PR tree-optimization/26821
9499 * tree-ssa-math-opts.c (get_constant_one): New.
9500 (insert_reciprocals): Use it.
9502 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9504 * dwarf2out.c (free_AT): Delete.
9505 (remove_AT): Update string ref counts.
9506 (remove_child_TAG): Don't call free_die.
9508 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9509 or DW_TAG_GNU_EINCL.
9510 (prune_unused_types_walk_attribs): Reset string refcounts.
9511 (prune_unused_types_update_strings): New.
9512 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9513 call free_die. Do call prune_unused_types_update_strings.
9514 (prune_unused_types): Empty debug_str_hash.
9516 2006-04-17 Roger Sayle <roger@eyesopen.com>
9518 * expr.c (expand_assignment): Optimize away no-op moves where the
9519 source and destination are equal and have no side-effects.
9521 2006-04-17 Richard Guenther <rguenther@suse.de>
9524 * reload.c (push_reload): Guard calls to get_secondary_mem
9527 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9529 * alias.c (reg_base_value, old_reg_base_value): Change the
9530 type to VEC(rtx,gc) *.
9531 (REG_BASE_VALUE, find_base_value, record_set,
9532 init_alias_analysis): Use VEC instead of VARRAY.
9534 * alias.c (alias_sets): Change the type to
9535 VEC(alias_set_entry,gc) *.
9536 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9537 VEC instead of VARRAY.
9538 (last_alias_set): Remove.
9540 * cgraph.h (cgraph_edge_p): New.
9541 Update the prototype of cgraph_function_versioning.
9542 * cgraphunit.c (cgraph_copy_node_for_versioning,
9543 cgraph_function_versioning): Use VEC instead of VARRAY.
9544 * ipa-cp.c (ipcp_insert_stage): Likewise.
9546 2006-04-16 Roger Sayle <roger@eyesopen.com>
9549 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9550 "A op B" or "A op C", we may need to convert A to the type of B and C.
9552 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9554 * target.h (struct gcc_target): Add mode_rep_extended.
9555 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9556 (init_num_sign_bit_copies_in_rep): Initialize it using
9558 (truncate_to_mode): Use it.
9559 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9560 * targhooks.h (default_mode_rep_extended): Declare it.
9561 * targhooks.c (default_mode_rep_extended): Define it.
9562 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9563 default_mode_rep_extended.
9564 (TARGET_INITIALIZER): Include it.
9565 * doc/tm.texi (Misc): Document it.
9566 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9567 (mips_truncated_to_mode): New function.
9569 2006-04-16 Roger Sayle <roger@eyesopen.com>
9572 * expr.c (compress_float_constant): Copy the narrow constant into
9573 a new pseudo before extending it to its final width.
9575 2006-04-16 Roger Sayle <roger@eyesopen.com>
9576 Andrew Pinski <pinskia@gcc.gnu.org>
9577 Dale Johannesen <dalej@apple.com>
9580 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9581 special case code to implement V8HImode and V16QImode with SSE2.
9583 2006-04-15 Roger Sayle <roger@eyesopen.com>
9585 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9586 trees are constructed with a suitable tree type.
9588 2006-04-15 Roger Sayle <roger@eyesopen.com>
9590 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9591 (integer_onep): Likewise.
9592 (integer_all_onesp): Likewise.
9593 (integer_pow2p): Likewise.
9594 (integer_nonzerop): Likewise.
9595 (real_zerop): Likewise.
9596 (real_onep): Likewise.
9597 (real_twop): Likewise.
9598 (real_minus_onep): Likewise.
9599 (int_size_in_bytes): Likewise.
9600 (host_integerp): Likewise.
9602 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9604 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9605 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9606 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9608 * tree-ssa-structalias.h (alias_info): Remove num_references.
9610 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9612 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9613 (output_bvb patterns): Likewise.
9614 * pa.c (output_bb): Use 'bb' insn for long branch case.
9615 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9616 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9617 1. Correct length operand for alternatives 1 and 2.
9618 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9619 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9621 2006-04-14 Roger Sayle <roger@eyesopen.com>
9623 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9624 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9625 were accidentally reverted by r112959.
9627 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9630 * except.h (eh_region_outermost): New prototype.
9631 * except.c (eh_region_outermost): New function.
9632 * tree-cfg.c (find_outermost_region_in_block): Use it.
9634 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9636 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9638 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9639 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9640 (init_reload, reload): Use VEC instead of VARRAY.
9641 * reload.h: Update the prototype for
9642 reg_equiv_memory_loc_varray.
9644 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9645 Eric Botcazou <ebotcazou@libertysurf.fr>
9647 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9650 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9653 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9654 to expand fallback builtin function call.
9656 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9659 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9660 and emit libcall here in case the builtin fails.
9661 (expand_builtin_strcmp): Always emit the libcall here on failure.
9663 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9665 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9666 * flow.c (reg_n_info): Change the type to
9667 VEC(reg_info_p,heap) *.
9668 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9670 * regs.h (reg_info_p): New.
9671 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9672 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9673 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9676 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9678 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9680 * params.h (MAX_SCHED_READY_INSNS): New macro.
9681 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9682 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9683 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9684 the ready list for 1 cycle during the first scheduling pass.
9685 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9687 2006-04-13 Richard Henderson <rth@redhat.com>
9690 * gimple-low.c (lower_omp_directive): Remove dead code.
9691 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9692 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9693 * omp-low.c (struct omp_region): Move to tree-flow.h.
9694 (root_omp_region): Export.
9695 (omp_regions, lookup_omp_region): Remove.
9696 (determine_parallel_type): Update for struct omp_region changes.
9697 (dump_omp_region): Dump regions with block numbers.
9698 (new_omp_region): Take type and block instead of stmt; malloc
9700 (free_omp_region_1, free_omp_regions): New.
9701 (expand_parallel_call): Take entry_stmt as argument; update for
9702 changes to omp_region.
9703 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9704 (remove_exit_barriers): New.
9705 (expand_omp_parallel): Update for struct omp_region changes.
9706 (expand_omp_synch): Likewise.
9707 (expand_omp): Likewise.
9708 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9709 (expand_omp_for_static_chunk): Likewise.
9710 (expand_omp_for): Likewise.
9711 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9712 (expand_omp_sections): Similarly, with GOMP_sections_end.
9713 (expand_omp_single): New.
9714 (build_omp_regions_1): Update for OMP_CONTINUE.
9715 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9716 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9717 OMP_SECTIONS_SECTIONS.
9718 (lower_omp_single_simple): Don't emit barrier here.
9719 (lower_omp_single_copy): Likewise.
9720 (lower_omp_single): Fix bindings, and lower to straightline now.
9721 (lower_omp_master, lower_omp_ordered): Likewise.
9722 (lower_omp_critical): Likewise.
9723 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9724 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9725 omp edges, free it afterward.
9726 (make_omp_sections_edges): Remove.
9727 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9728 (move_stmt_r): Handle OMP_CONTINUE.
9729 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9730 statement pointers to basic blocks. Add type member.
9731 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9732 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9733 * tree-inline.c (estimate_num_insns_1): Likewise.
9734 * tree-pretty-print.c (dump_generic_node): Likewise.
9735 * tree-ssa-operands.c (get_expr_operands): Likewise.
9736 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9737 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9738 (OMP_CONTINUE): New.
9739 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9740 (OMP_SECTIONS_SECTIONS): Remove.
9741 (OMP_SECTION_LAST): New.
9742 (OMP_RETURN_NOWAIT): New.
9744 2006-04-13 Roger Sayle <roger@eyesopen.com>
9746 * fold-const.c (native_encode_vector, native_interpret_real):
9747 Correct obvious mistakes in the previous check-in.
9749 2006-04-13 Roger Sayle <roger@eyesopen.com>
9751 * fold-const.c (native_encode_expr): New function to encode
9752 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9753 or VECTOR_CST into a specified buffer.
9754 (native_encode_int): New function.
9755 (native_encode_real): New function.
9756 (native_encode_complex): New function.
9757 (native_encode_vector): New function.
9758 (native_interpret_expr): Inverse of native_encode_expr to convert
9759 a target representation into an INTEGER_CST, REAL_CST etc...
9760 (native_interpret_int): New function.
9761 (native_interpret_real): New function.
9762 (native_interpret_complex): New function.
9763 (native_interpret_vector): New function.
9764 (fold_view_convert_expr): New function to constant fold/evaluate
9765 a VIEW_CONVERT_EXPR of a suitable constant expression.
9766 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9767 Change call of build1 to fold_build1 when constructing a
9770 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9771 Ulrich Weigand <uweigand@de.ibm.com>
9774 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9777 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9780 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9781 optimize to lo_sum for DFmode if !TARGET_FPRS.
9783 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9785 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9786 delete_alias_info, compute_flow_sensitive_aliasing,
9787 group_aliases): Use VEC instead of VARRAY.
9788 * tree-ssa-structalias.c (update_alias_info): Likewise.
9789 * tree-ssa-structalias.h (alias_info): Change the type of
9790 processed_ptrs to VEC(tree,heap) *.
9792 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9795 * config/sh/lib1funcs.h: New file, broken out of:
9796 * config/sh/lib1funcs.asm.
9797 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9799 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9800 * config/sh/lib1funcs-Os-4-200.asm: New file.
9801 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9802 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9803 (EXTRA_MULTILIB_PARTS): Include it.
9804 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9805 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9806 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9807 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9810 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9812 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9813 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9814 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9816 * tree-ssa-live.h: Include vecprim.h.
9817 (tree_partition_associator_d): Change the type of
9818 first_partition to VEC(int,heap) *.
9819 (tpa_first_partition): Use VEC instead of VARRAY.
9821 * Makefile.in (GTFILES): Move functions.h after tree.h.
9822 * function.c (reset_block_changes, record_block_change,
9823 check_block_change, free_block_changes): Use VEC instead of
9825 * function.h (function): Change the type of
9826 ib_boundaries_block to VEC(tree,gc) *.
9827 * tree-inline.c (copy_cfg_body): Initialize
9828 ib_boundaries_block to NULL instead of (varray_type) 0.
9830 2006-04-12 Roger Sayle <roger@eyesopen.com>
9832 * expr.c (emit_group_store): Correct operand order in call to
9833 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9834 a SUBREG_BYTE of zero.
9836 2006-04-12 Richard Guenther <rguenther@suse.de>
9838 * profile.c (compute_branch_probabilities): Remove code
9839 encapsulated in !ir_type (), which are remanents of the
9840 removed RTL profiling code.
9841 * rtl-profile.c: Remove.
9843 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9845 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9846 magic NULL_RTX comment.
9847 (function_arg): Store entire fp arg to mem if any part should go
9849 (rs6000_arg_partial_bytes): Adjust for above change.
9851 2006-04-11 Roger Sayle <roger@eyesopen.com>
9853 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9854 if it hasn't been initialized by dwarf2out_init.
9856 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9858 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9859 symbolic constants in branch patterns.
9861 2006-04-11 Roger Sayle <roger@eyesopen.com>
9863 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9865 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9867 PR rtl-optimization/27073
9868 * gcse.c (try_replace_reg): Revert last change. Continue to search
9869 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9872 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9874 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9875 aggregate types other than record and union types.
9876 (function_arg): Likewise.
9877 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9879 (function_value): In 64-bit mode, return objects that require it
9882 2006-04-11 Roger Sayle <roger@eyesopen.com>
9884 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9886 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9888 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9890 2006-04-03 Jeff Law <law@redhat.com>
9893 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9894 alias information too.
9896 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9898 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9900 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9903 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9904 (premark_used_types_helper): New.
9905 (premark_used_types): New.
9906 (gen_subprogram_die): Call premark_used_types.
9907 (prune_unused_types_walk): Do not prune perennial dies.
9908 * function.c (used_types_insert): New.
9909 * function.h (struct function): Add used_types_hash field.
9910 (used_types_insert): Add prototype.
9911 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9912 * c-parser.c (c_parser_cast_expression): Save casted types in used
9915 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9918 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9919 rs6000_explicit_options.float_gprs.
9921 2006-04-10 Roger Sayle <roger@eyesopen.com>
9923 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9924 from ix86_expand_vector_init_low_nonzero. Take an additional
9925 one_var argument indicating which element is non-zero. Support
9926 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9927 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9928 with one_var instead of ix86_expand_vector_init_low_nonzero.
9930 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9932 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9933 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9934 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9935 build/genextract.o): Depend on vecprim.h.
9936 * cfglayout.c, df-problems.c, function.c, genextract.c,
9937 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9938 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9942 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9944 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9945 Declare VECs of this type.
9946 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9947 (remove_children): Delete.
9948 (add_dwarf_attr): Use VEC routines.
9949 (add_AT_flag): Update for changes to add_dwarf_attr.
9950 (add_AT_int): Likewise.
9951 (add_AT_unsigned): Likewise.
9952 (add_AT_long_long): Likewise.
9953 (add_AT_vec): Likewise.
9954 (add_AT_string): Likewise.
9955 (add_AT_die_ref): Likewise.
9956 (add_AT_fde_ref): Likewise.
9957 (add_AT_loc): Likewise.
9958 (add_AT_loc_list): Likewise.
9959 (add_AT_addr): Likewise.
9960 (add_AT_lbl_id): Likewise.
9961 (add_AT_lineptr): Likewise.
9962 (add_AT_macptr): Likewise.
9963 (add_AT_offset): Likewise.
9964 (add_AT_range_list): Likewise.
9965 (get_AT): Use VEC_iterate.
9966 (remove_AT): Use VEC_ordered_remove.
9967 (free_die): Fold remove_children into here; have it use VEC_iterate.
9968 (print_die): Use VEC_iterate on attrs.
9969 (reverse_die_lists): Don't reverse attr lists.
9970 (die_checksum): Use VEC_iterate on attrs.
9971 (same_die_p): Likewise.
9972 (output_location_lists): Likewise.
9973 (build_abbrev_table): Likewise.
9974 (size_of_die): Likewise.
9975 (unmark_all_dies): Likewise.
9976 (output_abbrev_section): Likewise.
9977 (output_die): Likewise.
9978 (prune_unused_types_walk_attribs): Likewise.
9980 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9982 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9984 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9987 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9989 2006-04-09 Roger Sayle <roger@eyesopen.com>
9991 * expr.c (store_constructor): Don't bother clearing target if
9992 we're about to assign a vector to it using vec_init_optab.
9994 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9996 * tree-ssa-alias.c (lhs_may_store_to): New function.
9997 (recalculate_used_alone): Handle LHS of calls.
9999 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10003 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10004 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10005 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10006 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10007 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10008 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10009 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10010 stubs. Add ".align 8" directives before all ".dword" directives.
10011 (GTHREAD_USE_WEAK): Revise comment.
10012 (TARGET_ATTRIBUTE_WEAK): Define.
10013 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10014 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10015 * stublib.c: New file.
10020 * pa.md (cbranch patterns): Revise arguments used in calls to
10021 output_cbranch, output_bb and output_bvd. Add long branch length
10023 (fbranch patterns): Handle long branches.
10024 (jump): Revise length check. Revise arguments for output_lbranch call.
10025 Add long branch length attributes.
10026 (decrement_and_branch_until_zero): Add long branch length attributes.
10027 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10028 Likewise. Revise arguments for output_parallel_addb and
10029 output_parallel_movb calls.
10030 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10031 output_parallel_movb and output_parallel_addb): Update prototypes.
10032 * pa.c (output_cbranch): Revise arguments. Correct handling of
10033 nullification in long branches.
10034 (output_lbranch): Add new argument to control extraction of delay
10036 (output_bb): Handle long branches.
10037 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10038 output_parallel_addb): Likewise.
10040 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10042 PR rtl-optimization/27073
10043 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10046 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10048 * tree.h (tree_memory_tag): Add old_used_alone.
10049 (SMT_OLD_USED_ALONE): New macro.
10050 * tree-ssa-alias.c (recalculate_used_alone): Stop
10051 marking things for renaming unnecessarily.
10053 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10055 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10056 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10057 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10058 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10059 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10060 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10061 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10062 spelling convensions.
10063 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10064 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10065 typos. Follow spelling conventions.
10067 2006-04-07 DJ Delorie <dj@redhat.com>
10069 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10070 passed on the stack.
10071 (m32c_init_cumulative_args): When a function returns a structure,
10072 always pass the pointer to that return area on the stack.
10073 (m32c_function_arg_advance): Don't increment the parameter number
10074 if we're processing the returned structure pointer.
10075 (pushm_info): Reverse order of registers.
10077 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10079 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10080 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10081 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10082 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10083 build_int_cst_type.
10084 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10085 chrec_fold_multiply): Same.
10086 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10087 force_expr_to_var_cost): Same.
10088 * tree-mudflap.c (mf_xform_derefs_1): Same.
10089 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10091 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10093 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10094 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10097 2006-04-07 Jan Hubicka <jh@suse.cz>
10099 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10101 2006-04-07 Richard Guenther <rguenther@suse.de>
10103 PR tree-optimization/26135
10104 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10105 loads for store copy-prop.
10106 (copy_prop_visit_stmt): Likewise.
10108 2006-04-05 Robert Millan <robertmh@gnu.org>
10110 * config/i386/linux.h: Add a comment to mark macros that are
10111 being overriden in config/k*bsd-gnu.h.
10112 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10114 * config/knetbsd-gnu.h: Ditto.
10116 2006-04-06 Jan Hubicka <jh@suse.cz>
10120 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10123 2006-04-06 Mike Stump <mrs@apple.com>
10125 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10126 for HAVE_nonlocal_goto to be consistent.
10127 (expand_builtin_nonlocal_goto): Likewise.
10128 (expand_builtin_strcmp): Use #ifdef instead of #if
10129 for HAVE_cmpstrnsi to be consistent.
10131 2006-04-05 DJ Delorie <dj@redhat.com>
10133 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10136 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10138 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10139 got-relative addressing for anything but SImode.
10141 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10142 even if the calling function doesn't modify them.
10144 2006-04-05 Richard Guenther <rguenther@suse.de>
10146 PR tree-optimization/26919
10147 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10148 to cgraph_estimate_size_after_inlining.
10150 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10152 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10154 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10156 PR tree-optimization/26996
10157 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10158 VECTOR_TYPE variables.
10160 2006-04-05 Richard Guenther <rguenther@suse.de>
10162 PR tree-optimization/26763
10163 * fold-const.c (fold_comparison): Move folding of
10164 PTR + CST CMP PTR + CST ...
10165 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10167 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10169 * doc/install.texi (Prerequisites): Refine some wording on
10170 bootstrapping and ksh.
10171 Move the version numbers of DejaGnu here from the testing section
10172 and fix casing of names.
10173 Fix markup and clarify wording for autogen requirements.
10174 Refer to GCJ instead of just java.
10175 Refer to SVN instead of CVS.
10176 Describe diffutils as useful instead of necessary.
10177 (Downloading the source): Refer to SVN instead of CVS.
10178 Adjust a link to our web site accordingly.
10179 (Configuration): Fix casing of Bison.
10180 (Building): Refer to SVN instead of CVS.
10181 Fix a sentence on the use of Bison and remove duplicate (and
10182 incorrect) version number of Bison requirement.
10183 Remove one redundant list of packages needed for building.
10184 (Specific): Avoid reference to CVS.
10186 2006-04-04 Eric Christopher <echristo@apple.com>
10188 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10189 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10190 (rs6000_handle_struct_attribute): New.
10191 (rs6000_ms_bitfield_layout_p): Ditto.
10193 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10195 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10196 NULL for dso parameter to atexit_common.
10198 2006-04-04 Eric Christopher <echristo@apple.com>
10200 * config/i386/i386.c (machopic_output_stub): Output \t
10201 between instructions and operands.
10203 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10205 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10206 satisfies_constraint_[IL] to explicit tests on value.
10208 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10210 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10211 set_nb_iterations_in_loop): Use build_int_cst instead of
10212 build_int_cst_type.
10213 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10214 build_int_cst instead of convert.
10216 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10218 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10219 new value 2 for incoming.
10220 * function.c (expand_function_start): Call struct_value_rtx
10221 with incoming as 2.
10222 * config/sparc/sparc.md: Comment updated_return.
10223 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10224 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10225 struct return if sparc_std_struct_return and incoming is 2.
10226 (print_operand): Do not adjust return if
10227 sparc_std_struct_return.
10229 2006-04-04 Roger Sayle <roger@eyesopen.com>
10231 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10232 convert in the middle-end.
10233 * expr.c (store_expr, store_constructor, get_inner_reference,
10234 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10236 * tree.c (build_range_type): Likewise.
10238 2006-04-04 Tom Tromey <tromey@redhat.com>
10240 * doc/install.texi (Prerequisites): Mention jar.
10242 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10244 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10247 2006-04-04 Matthias Klose <doko@debian.org>
10249 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10253 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10256 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10258 * doc/extend.texi (Function Attributes): Rewrite visibility
10259 attribute documentation.
10260 * doc/invoke.texi (C++ Dialect Options): Rewrite
10261 -fvisibility-inlines-hidden documentation to describe something
10262 entirely different, although in practise compatible.
10263 (Code Gen Options): Warn about system headers in -fvisibility=
10266 * doc/extend.texi (Other Builtins): Document that
10267 __builtin_nan is a compile-time constant only when its argument
10270 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10272 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10273 trying to remove TRUNCATE check if all bits outside the new mode
10274 are identical to the sign bit.
10276 2006-04-03 Jeff Law <law@redhat.com>
10278 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10279 and operand scanning in some common cases.
10281 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10282 Dale Johannesen <dalej@apple.com>
10285 * regclass.c (struct reg_pref): Update documentation.
10286 (regclass): Set prefclass to NO_REGS if memory is the best option.
10287 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10288 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10289 into account. For non-registers, equate an empty preferred
10290 reload class to a `!' in the constraint; move the if clause to
10291 do so after those that reject the insn.
10292 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10294 (find_dummy_reload): Likewise.
10295 * doc/tm.texi (Register Classes): Document what it means
10296 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10297 * config/i386/i386.c (ix86_preferred_reload_class): Force
10298 using SSE registers (and return NO_REGS for floating-point
10299 constants) if math is done with SSE.
10300 (ix86_preferred_output_reload_class): New.
10301 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10302 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10303 * config/i386/i386.md: Remove # register preferences.
10305 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10308 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10309 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10310 the type of nb_iter.
10311 (instantiate_parameters_1): Convert the operands before calling
10312 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10313 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10315 2006-04-02 Roger Sayle <roger@eyesopen.com>
10317 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10318 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10319 instead of convert.
10320 * dojump.c (do_jump): Likewise.
10321 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10322 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10323 gimplify_boolean_expr): Likewise.
10324 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10325 * varasm.c (array_size_for_constructor): Likewise.
10326 * tree-object-size.c (compute_object_offset): Likewise.
10328 2006-04-02 Roger Sayle <roger@eyesopen.com>
10330 PR middle-end/26977
10331 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10332 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10334 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10336 PR tree-optimization/26939
10337 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10339 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10341 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10342 at_stmt. Convert the type of operands before calling
10343 build_polynomial_chrec.
10344 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10345 add_to_evolution_1.
10346 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10347 (instantiate_parameters_1): Convert the type of operands before calling
10348 build_polynomial_chrec.
10349 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10350 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10351 reset_evolution_in_loop): Insert asserts to check the types of the
10353 (chrec_type): Moved...
10354 (eq_evolutions_p): Use operand_equal_p.
10355 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10356 the types of the operands.
10357 (chrec_type): ...here.
10358 * tree-data-ref.c (create_data_ref): Convert the operands before
10359 calling chrec_replace_initial_condition.
10360 (same_access_functions, analyze_subscript_affine_affine,
10361 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10362 (compute_subscript_distance, analyze_ziv_subscript,
10363 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10364 analyze_miv_subscript): Convert the operands before calling
10365 chrec_fold_minus or chrec_fold_plus.
10367 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10369 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10370 the dependence_relations vector.
10371 (compute_data_dependences_for_loop): Adjust call to
10372 compute_all_dependences.
10374 2006-04-01 Roger Sayle <roger@eyesopen.com>
10375 Richard Henderson <rth@redhat.com>
10377 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10378 gimple_boolify on the condition before calling gimplify_expr.
10380 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10382 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10383 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10384 the frame size. Update to use the new macros.
10385 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10386 * config/xtensa/ieee754-df.S: Likewise.
10388 2006-03-31 Richard Henderson <rth@redhat.com>
10390 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10391 (make_edges): ... here. Control fallthru creation with a local
10392 variable. Do not play with fake edges.
10393 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10394 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10397 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10399 * dwarf2.h (DW64_CIE_ID): Define.
10400 * dwarf2out.c (DWARF_CIE_ID): Define.
10401 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10402 length header. Use DWARF_CIE_ID.
10403 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10404 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10406 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10408 * config/sh/linux-atomic.asm: New file.
10409 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10411 2006-03-31 DJ Delorie <dj@redhat.com>
10413 * config/m32c/cond.md: Set condition flags properly throughout.
10414 * config/m32c/minmax.md: Likewise.
10415 * config/m32c/prologue.md: Likewise.
10416 * config/m32c/bitops.md: Likewise.
10417 * config/m32c/muldiv.md: Likewise.
10418 * config/m32c/mov.md: Likewise.
10419 * config/m32c/addsub.md: Likewise.
10420 * config/m32c/m32c.md: Likewise.
10421 * config/m32c/jump.md: Likewise.
10422 * config/m32c/shift.md: Likewise.
10424 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10425 conditionally output the pattern for this.
10426 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10427 (m32c_compare_redundant): New.
10428 (m32c_output_compare): New.
10429 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10431 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10432 dest, not src. Allow other 4-byte modes.
10434 2006-03-30 Denis Chertykov <denisc@overta.ru>
10436 * doc/md.texi: Refer to avr/constraints.md instead of
10439 2006-03-30 Roger Sayle <roger@eyesopen.com>
10441 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10442 signed vs. unsigned comparison failures on some hosts.
10444 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10447 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10448 change to FLOAT_REGS.
10450 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10451 (rs6000_override_options): Use it.
10452 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10453 only for -mabi=spe/no-spe and -mabi=altivec.
10455 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10457 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10460 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10462 * Makefile.in: Rename docdir to gcc_docdir.
10464 2006-03-30 Roger Sayle <roger@eyesopen.com>
10467 * expr.c (emit_group_store): Optimize group stores into a pseudo
10468 register by using a paradoxical subreg to initialize the destination
10469 if the first or last member of the group specifies a "low part".
10471 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10474 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10475 * target.h (struct gcc_target.speculate_insn): Change type of the
10476 second parameter to 'int'.
10477 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10478 the second operand of the DEPS_LIST.
10479 (copy_DEPS_LIST_list): Update reference to the second operand of the
10481 * rtl.h (alloc_DEPS_LIST): Update signature.
10482 * sched-int.h (ds_t): Change typedef to 'int'.
10483 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10485 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10487 * haifa-sched.c (try_ready): Change condition to restore
10488 non-speculative pattern of the instruction.
10489 (process_insn_depend_be_in_spec): Code to keep probability of the
10490 speculative dependence non-decreasing.
10492 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10494 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10495 (single_move_for_movmem): ... this. Also change all uses.
10496 (bfin_expand_strmov): Renamed to...
10497 (bfin_expand_movmem): ... this. Also change all uses.
10498 * config/bfin/bfin.md (movstrsi): Renamed to...
10499 (movstrsi): ...this.
10501 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10503 PR tree-optimization/26830
10505 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10506 (copy_prop_visit_stmt): Remove write-only variable ann.
10507 (init_copy_prop): Check variable loop depth here. Do not simulate
10508 memory-tag and virtual operand PHIs except for store copy prop.
10510 2006-03-30 Richard Guenther <rguenther@suse.de>
10512 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10513 variants with double arguments.
10515 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10517 * genpreds.c (write_tm_constrs_h): Delete variable p.
10518 * genconditions.c (write_header): Add tm-constrs.h to included
10520 * genpeep.c (main): Add toplev.h to included headers.
10521 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10522 (build/genpeep.o): Add toplev.h dependency.
10523 * config/rs6000/constraints.md: Add "W" constraint.
10525 2006-03-29 Roger Sayle <roger@eyesopen.com>
10527 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10528 sizes by correctly testing whether the size fits a host integer.
10529 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10530 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10531 SImode range for the default sizetype and bitsizetype.
10533 2006-03-29 Roger Sayle <roger@eyesopen.com>
10535 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10536 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10537 quickly if the argument is already of the correct type.
10538 Call fold_build1 instead of build1. Tidy up blank lines.
10540 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10542 * genemit.c (main): Add tm-constrs.h to included headers.
10543 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10544 * genpeep.c (main): Add tm-constrs.h to included headers.
10545 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10546 (write_tm_constrs_h): this and write complete file.
10547 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10548 (write_insn_preds_c): Add tm-constrs.h to included headers.
10549 (gen_constrs): New variable.
10550 (parse_option): Parse "-c".
10551 (main): Invoke write_tm_constrs_h.
10552 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10553 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10554 (object_out_file): Add tm-constrs.h dependency.
10555 (insn-emit.o): Same.
10556 (insn-output.o): Same.
10557 (insn-peep.o): Same.
10558 (insn-preds.o): Same.
10559 (insn-recog.o): Same.
10560 (tm-constsr.h): New target.
10561 (s-constrs-h): New target.
10563 * config/rs6000/constraints.md: New file.
10564 * config/rs6000/rs6000.c: Include tm-constrs.h.
10565 (num_insn_constant_wide): Convert to satisfies_constraint.
10566 (rs6000_rtx_costs): Convert to satisfies_constraint.
10567 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10568 (CONST_OK_FOR_LETTER_P): Delete.
10569 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10570 (EXTRA_CONSTRAINT): Delete.
10571 (EXTRA_MEMORY_CONSTRAINT): Delete.
10572 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10573 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10574 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10575 satisfies_constraint.
10577 * config/i386/i386.c: Include tm-constrs.h.
10579 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10581 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10582 * tree-data-ref.c (find_data_references_in_loop,
10583 compute_data_dependences_for_loop): Use pointers to VEC.
10584 (analyze_all_data_dependences): Adjust calls.
10585 * tree-data-ref.h (find_data_references_in_loop,
10586 compute_data_dependences_for_loop): Adjust declarations.
10587 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10588 compute_data_dependences_for_loop.
10590 2006-03-29 Paul Brook <paul@codesourcery.com>
10592 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10593 (movdf_vfp): Ditto.
10595 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10597 PR tree-optimization/26859
10598 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10600 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10601 for the step after fold_convert.
10603 2006-03-29 Paul Brook <paul@codesourcery.com>
10605 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10606 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10608 2006-03-29 Paul Brook <paul@codesourcery.com>
10610 PR middle-end/23623
10611 * targhooks.c (default_narrow_bitfield): New fuction.
10612 * targhooks.h (default_narrow_bitfield): add prototype.
10613 * target.h (gcc_target): Add narrow_volatile_bitfield.
10614 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10615 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10616 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10617 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10619 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10621 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10623 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10624 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10625 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10626 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10627 (s390_function_arg_float): Allow SDmode and DDmode values to be
10628 passed in floating point registers.
10629 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10630 check with SCALAR_FLOAT_MODE_P.
10631 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10633 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10635 PR tree-optimization/25985
10636 * tree-ssa-loop-niter.c (number_of_iterations_le,
10637 number_of_iterations_ne): Make comments more precise.
10638 (number_of_iterations_cond): Add only_exit argument. Use the
10639 fact that signed variables do not overflow only when only_exit
10641 (loop_only_exit_p): New.
10642 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10643 number_of_iterations_cond.
10645 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10647 PR tree-optimization/26643
10648 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10651 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10653 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10654 (divsi3_i4_int): Likewise.
10656 2006-03-28 Roger Sayle <roger@eyesopen.com>
10658 * expr.c (emit_group_store): Only create a new pseudo reg if the
10659 quantity it needs to hold isn't already a suitable pseudo.
10661 2006-03-28 Jeff Law <law@redhat.com>
10663 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10664 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10666 2006-03-28 Roger Sayle <roger@eyesopen.com>
10668 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10669 the equivalent ~X & Y, and the symmetry related transformations.
10670 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10671 ~X & Y, and symmetry related transforms.
10673 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10675 Revert my 2006-03-27 patches.
10677 2006-03-28 Roger Sayle <roger@eyesopen.com>
10679 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10680 ~(T1)X, when T1 and T2 are integer types of the same precision
10681 and (T2)X isn't an extension.
10683 2006-03-28 Jeff Law <law@redhat.com>
10685 PR tree-optimization/26796
10686 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10687 need EH edge cleanups rather than purging them immediately.
10688 (eliminate_degenerate_phis): Handle queued EH cleanups.
10690 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10692 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10695 2006-03-27 Roger Sayle <roger@eyesopen.com>
10697 PR middle-end/22524
10698 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10699 cast BIT_NOT_EXPR operand to the correct type.
10701 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10703 * tree-loop-linear.c: Don't include varray.h.
10704 (gather_interchange_stats, try_interchange_loops,
10705 linear_transform_loops): Use VEC instead of VARRAY.
10706 * lambda-mat.c: Don't include varray.h.
10707 * tree-chrec.c: Same.
10708 * lambda-trans.c: Same.
10709 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10710 VEC instead of VARRAY.
10711 * tree-vectorizer.h: Idem.
10712 * tree-data-ref.c (dump_data_references,
10713 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10714 initialize_data_dependence_relation, finalize_ddr_dependent,
10715 compute_all_dependences, find_data_references_in_loop,
10716 compute_data_dependences_for_loop, analyze_all_data_dependences,
10717 free_dependence_relation, free_dependence_relations,
10718 free_data_refs): Idem.
10719 * tree-data-ref.h (data_reference_p, subscript_p): New.
10720 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10721 VEC instead of VARRAY.
10722 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10723 (find_data_references_in_loop, compute_data_dependences_for_loop,
10724 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10725 dump_data_dependence_relations, free_dependence_relations,
10726 free_data_refs): Adjust declaration.
10727 (lambda_transform_legal_p): Move declaration here...
10728 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10729 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10730 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10731 vect_analyze_data_refs): Use VEC instead of VARRAY.
10732 * lambda.h (lambda_transform_legal_p): ...from here.
10733 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10734 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10735 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10736 tree-chrec.o): Don't depend on VARRAY_H.
10738 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10740 * rtl.def (Copyright): Update date.
10741 (DEPS_LIST): Change type of the second operand to 'int'.
10742 * target.h (Copyright): Update date.
10743 (struct gcc_target.speculate_insn): Change type of the second parameter
10745 * lists.c (Copyright): Update date.
10746 (alloc_DEPS_LIST): Change signature. Update reference to the second
10747 operand of the DEPS_LIST.
10748 (copy_DEPS_LIST_list): Update reference to the second operand of the
10750 * rtl.h (Copyright): Update date.
10751 (alloc_DEPS_LIST): Update signature.
10752 * sched-int.h (Copyright): Update date.
10753 (ds_t): Change typedef to 'int'.
10754 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10756 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10758 * haifa-sched.c (Copyright): Update date.
10759 (try_ready): Change condition to restore non-speculative pattern
10760 of the instruction.
10761 (process_insn_depend_be_in_spec): Code to keep probability of the
10762 speculative dependence non-decreasing.
10764 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10766 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10767 shut up the compiler.
10769 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10771 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10772 to use lib prefix for target.
10773 ($(T)libic_invalidate_array_4-200.a): Likewise.
10774 ($(T)libic_invalidate_array_4a.a): Likewise.
10776 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10777 J"orn Rennecke <joern.rennecke@st.com>
10779 * superh.opt: New file.
10780 * sh.c (boardtype, osruntime): Remove.
10781 * superh.h (SUBTARGET_OPTIONS): Remove.
10782 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10784 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10785 arguments with ^ and/or [].
10787 * config.gcc (sh-*-*): Add quoting to account for quirk of
10789 Replace == with = in enable_incomplete_targets test.
10791 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10792 with MASK_LITTLE_ENDIAN.
10794 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10795 * config/sh/sh.opt: Added to some comments.
10796 * config/sh/superh.h: Removed some chaff.
10798 * config/sh/sh.opt: Add m4-[1234]00* options.
10799 * config/sh/sh.c (sh_handle_option): Likewise.
10800 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10801 (ic_invalidate_array_4-100.o): New rule.
10802 ($(T)libic_invalidate_array_4-100.a): Likewise.
10803 (ic_invalidate_array_4-200.o): Likewise.
10804 ($(T)libic_invalidate_array_4-200.a): Likewise.
10805 (ic_invalidate_array_4a.o): Likewise.
10806 ($(T)libic_invalidate_array_4a.a): Likewise.
10807 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10808 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10810 * config/sh/crt1.asm: Merged in profiling code.
10811 * config/sh/superh.h (STARTFILE_SPEC): Override.
10812 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10813 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10814 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10816 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10817 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10818 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10820 * sh.opt (mpretend-cmove): New option.
10821 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10822 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10823 (movsicc): Add TARGET_PRETEND_CMOVE code.
10825 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10827 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10828 s390_class_max_nregs): New function prototypes.
10829 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10830 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10831 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10832 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10834 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10836 * dwarf2out.c (add_location_or_const_value_attribute): Call
10837 tree_add_const_value_attribute if nothing else works.
10838 (reference_to_unused): New.
10839 (rtl_for_decl_init): Use reference_to_unused to decide whether
10840 to output an initializer.
10842 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10845 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10846 peephole removing spe frob_di_df_2.
10848 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10850 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10851 (subscript_dependence_tester_1): Declared.
10852 (print_dir_vectors, print_dist_vectors): New.
10853 (debug_data_dependence_relation): New.
10854 (dump_data_dependence_relation): Print more details.
10855 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10856 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10857 (save_dist_v, save_dir_v, add_outer_distances,
10858 build_classic_dist_vector_1): New.
10859 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10860 Don't test for lambda_vector_lexico_pos.
10861 (same_access_functions, add_multivariate_self_dist,
10862 add_other_self_distances, dir_from_dist): New.
10863 (build_classic_dir_vector): Replace implementation almost identical to
10864 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10866 (subscript_dependence_tester_1): New.
10867 (subscript_dependence_tester): Handle the lexicographically negative
10868 distance vectors by recomputing the dependence relation.
10869 (compute_affine_dependence): Remove parameter loop_nest_depth.
10870 (compute_self_dependence): Don't call compute_subscript_distance.
10871 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10872 Add a parameter for the loop_nest.
10873 (find_loop_nest_1, find_loop_nest): New.
10874 (compute_data_dependences_for_loop): Compute the loop nest, and give
10875 up if the nest is not well formed.
10876 * tree-data-ref.h (loop_p): New.
10877 (struct data_dependence_relation): Replace size_vect field with
10878 loop_nest, a vec of loops.
10879 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10880 (DDR_LOOP_NEST): New.
10881 (print_dir_vectors, print_dist_vectors,
10882 debug_data_dependence_relation): Declared.
10883 (index_in_loop_nest): New.
10884 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10885 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10888 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10890 * simplify-rtx.c (simplify_relational_operation): Call
10891 simplify_relational_operation_1 even if mode is VOIDmode.
10893 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10895 PR tree-optimization/26804
10896 * tree.h (DECL_CALL_CLOBBERED): New macro.
10897 (tree_decl_common): Add call_clobbered_flag.
10898 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10899 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10900 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10901 (mark_non_addressable): Ditto.
10902 * tree-ssa.c (verify_call_clobbered): New function.
10903 (verify_alias_info): Use it.
10904 * tree-pass.h (pass_reset_cc_flags): New prototype.
10905 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10906 (reset_cc_flags): New function.
10907 * passes.c (init_optimization_passes): Call reset_cc_flags after
10908 initializing referenced_vars.
10910 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10911 Roger Sayle <roger@eyesopen.com>
10913 PR middle-end/26717
10914 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10915 to 1.0 for non-real operands. Implement A / A optimization for
10918 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10920 * config/i386/i386.c (size_cost): Correct the comment for
10921 cost of storing fp registers.
10922 (i386_cost): Likewise.
10923 (i486_cost): Likewise.
10924 (pentium_cost): Likewise.
10925 (pentiumpro_cost): Likewise.
10926 (k6_cost): Likewise.
10927 (athlon_cost): Likewise.
10928 (k8_cost): Likewise.
10929 (pentium4_cost): Likewise.
10930 (nocona_cost): Likewise.
10931 (generic64_cost): Likewise.
10932 (generic32_cost): Likewise.
10934 2006-03-24 Denis Chertykov <denisc@overta.ru>
10936 * config/avr/avr-protos.h (extra_constraint): Delete.
10937 (extra_constraint_Q): New declaration.
10938 * config/avr/constraints.md: New file.
10939 * config/avr/avr.md: Include it.
10940 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10941 (TMP_REGNO, ZERO_REGNO): Likewise.
10942 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10943 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10944 (extra_constraint): Delete.
10945 (extra_constraint_Q): Test for memory constraint 'Q'.
10946 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10947 (REG_CLASS_FROM_LETTER): Delete.
10948 (CONST_OK_FOR_LETTER_P): Delete.
10949 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10950 (EXTRA_CONSTRAINT): Delete.
10951 (TMP_REGNO): Delete.
10952 (ZERO_REGNO): Delete.
10954 2006-03-24 Jeff Law <law@redhat.com>
10956 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10957 directly. Call mark_new_vars_to_rename slightly earlier.
10959 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10961 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10962 (is_cxx): Likewise.
10963 (gen_compile_unit_die): Use new language types for Objective-C and
10965 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10966 DW_LANG_C_plus_plus.
10969 * config/t-darwin (crt3.o): Work around bug 26840.
10970 * config/darwin-crt3.c: Rewrite.
10971 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10973 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10975 * doc/invoke.texi: Document -femit-class-debug-always
10976 * common.opt: Add -femit-class-debug-always.
10978 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10980 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10981 index and base register.
10982 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10983 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10984 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10985 REGNO_OK_FOR_INDEX_P.
10986 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10988 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10989 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10990 REG_OK_FOR_BASE_P): Definitions removed.
10992 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10994 PR middle-end/26611
10995 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10996 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10997 set yet or weren't marked as local yet.
10999 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11001 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11004 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11006 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11007 (rs6000_legitimate_small_data_p): Delete.
11008 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11009 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11010 and make static. Add forward declaration. Update uses.
11011 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11012 of offsettable_memref_p.
11013 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11014 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11016 2006-03-24 Jeff Law <law@redhat.com>
11018 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11019 around bug in immediate-use iterator.
11021 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11024 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11025 or __LITTLE_ENDIAN__.
11027 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11029 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11030 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11031 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11032 * config/sh/sh.opt (mdiv=): Amend description.
11033 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11034 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11035 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11036 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11037 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11038 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11039 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11040 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11041 TARGET_DIVIDE_CALL_FP.
11043 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11045 * haifa-sched.c (choose_ready): Fix type of the local variable.
11046 Move local variables. Add comment.
11047 (check_reg_live): Change signature. Make callable from debugger.
11048 * sched-int.h (check_reg_live): Update signature.
11049 * sched-ebb.c (check_reg_live): Update parameters.
11050 * sched-rgn.c (check_reg_live): Ditto.
11051 (region_head_or_leaf_p): Check pointer before dereferencing.
11052 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11053 before reload on optimization levels below 1.
11055 2006-03-23 Richard Henderson <rth@redhat.com>
11057 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11061 * config/alpha/predicates.md (local_symbolic_operand): Reject
11064 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11067 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11068 expressions which have overflowed constants.
11070 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11072 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11074 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11076 * cfgloopmanip.c (create_loop_notes): Removed.
11077 * final.c (final_scan_insn): Do not handle loop notes.
11078 * jump.c (squeeze_notes): Ditto.
11079 * cfglayout.c (skip_insns_after_block,
11080 duplicate_insn_chain): Ditto.
11081 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11083 * cfgloop.h (create_loop_notes): Declaration removed.
11085 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11087 * varasm.c (output_constant_pool): Restore fnname and fndecl
11089 (assemble_start_function): Adjust call accordingly.
11090 (assemble_end_function): Likewise.
11092 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11095 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11098 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11100 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11103 * system.h (ICE_EXIT_CODE): New macro.
11104 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11105 (diagnostic_action_after_output): Likewise.
11106 * gcc.c (fatal_ice): New function.
11107 (execute): Use it instead of fatal.
11108 (fancy_abort): Likewise.
11109 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11111 2006-03-22 Jeff Law <law@redhat.com>
11113 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11114 iv_analyze_result returning false.
11116 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11118 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11120 2006-03-22 Richard Henderson <rth@redhat.com>
11122 PR middle-end/26084
11123 * except.c (duplicate_eh_regions_0): New.
11124 (duplicate_eh_region_1): Duplicate the children of the node as
11125 well as the node itself. Link them up properly.
11126 (duplicate_eh_region_2): Merge into ...
11127 (duplicate_eh_regions): ... here. Take copy_region argument, and
11128 copy only a sub-tree if asked. Simplify copying and fixup.
11129 (eh_region_outer_p): New.
11130 * except.h (duplicate_eh_regions): Update decl.
11131 (eh_region_outer_p): Declare.
11132 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11133 (lower_omp_master): Likewise.
11134 (lower_omp_ordered): Likewise.
11135 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11136 (move_stmt_r): Use it to remap labels. Handle recursion vs
11137 remap_decls_p properly.
11138 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11139 (find_outermost_region_in_block): New.
11140 (new_label_mapper): New.
11141 (move_sese_region_to_fn): Copy eh information to the new function
11143 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11145 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11148 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11150 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11151 into shared libraries.
11153 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11155 * doc/md.texi: Refer to i386/constraints.md instead of
11156 i386/predicates.md.
11157 * config/i386/constraints.md: New file, extracted from...
11158 * config/i386/predicates.md: ...here.
11159 * config/i386/i386.md: Include constraints.md.
11161 2006-03-21 Jason Merrill <jason@redhat.com>
11163 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11165 PR middle-end/20297
11166 * expr.c (init_block_move_fn): Force default visibility.
11167 (init_block_clear_fn): Likewise.
11168 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11169 * targhooks.c (default_external_stack_protect_fail): Likewise.
11171 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11173 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11174 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11175 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11176 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11177 (loadgp): Use mips_current_loadgp_style.
11178 (loadgp_noshared): New pattern.
11179 (sibcall_internal): Use MIPS_CALL.
11180 (sibcall_value_internal): Likewise.
11181 (sibcall_value_multiple_internal): Likewise.
11182 (call_internal): Likewise.
11183 (call_value_internal): Likewise.
11184 (call_value_multiple_internal): Likewise.
11185 (call_split): Use MIPS_CALL and add an 'S' constraint.
11186 (call_value_split): Likewise.
11187 (call_value_multiple_split): Likewise.
11188 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11189 (-mshared): New option.
11190 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11191 (mips_current_loadgp_style): Declare.
11192 * config/mips/mips.c (mips_classify_symbol): Avoid using
11193 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11194 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11195 TARGET_ABSOLUTE_ABICALLS.
11196 (override_options): Adjust comments. Improve the warning that is
11197 issued when -mabicalls and -G are used together.
11198 (mips_file_start): Remove comment.
11199 (mips_current_loadgp_style): New function.
11200 (mips_gnu_local_gp): New variable.
11201 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11203 (mips_output_function_prologue): Use mips_current_laodgp_style.
11204 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11205 the cprestore instruction.
11206 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11207 live for TARGET_ABSOLUTE_ABICALLS.
11208 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11209 (ASM_SPEC): Pass down -mshared and -mno-shared.
11210 (MIPS_CALL): New macro.
11211 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11213 * doc/invoke.texi (-mabicalls): Update documentation.
11214 (-mshared): Document.
11216 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11218 * config/ia64/unwind-hpux.c: New file.
11219 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11221 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11224 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11226 2006-03-21 Jeff Law <law@redhat.com>
11228 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11229 type conversions of a VR_VARYING source to a wider type.
11231 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11233 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11234 tm_file on Solaris 10 and later.
11235 (sparc64-*-solaris2*): Likewise.
11236 (sparc-*-solaris2*): Likewise.
11237 * config/sol26.h: Rename to config/sol2-6.h.
11238 * config/sol2-10.h: New file.
11240 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11243 * tree-ssa-pre.c (create_component_ref_by_pieces):
11246 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11249 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11250 return it immediately.
11252 2006-03-21 Michael Matz <matz@suse.de>
11254 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11256 (remove_arc, add_arc): Update num_out_arcs member.
11257 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11259 (cache_presence): New function.
11260 (compare_states_for_equiv): New function.
11261 (state_is_differed): Don't take number of outargs, adjust callers.
11262 Use new invariant for speeding up.
11263 (init_equiv_class): Create initial classes based on sorted
11265 (partition_equiv_class): Don't track out_arcs_num.
11266 (evaluate_equiv_classes): Call cache_presence on all states and
11269 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11271 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11272 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11273 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11274 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11276 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11277 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11278 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11279 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11280 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11282 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11283 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11284 (REGNO_REG_CLASS): ARGP is in PREGS.
11285 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11287 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11288 to deal with those addresses.
11289 * addresses.h: New file.
11290 * caller-save.c: Include "addresses.h".
11291 (init_caller_save): Use new base_reg_class function.
11292 * rtl-factoring.c: Include "addresses.h".
11293 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11294 * recog.c: Include "addresses.h".
11295 (preprocess_constraints): Use new base_reg_class function.
11296 * regrename.c: Include "addresses.h".
11297 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11298 functions. Keep track of a new var INDEX_CODE to compute valid
11300 (replace_oldest_value_addr): Likewise.
11301 (replace_oldest_value_mem): Use base_reg_class.
11302 * reload.c: Include "addresses.h".
11303 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11304 (find_reloads): Use new base_reg_class function.
11305 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11306 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11307 all callers and prototype changed.
11308 * reload1.c: Include "addresses.h".
11309 (maybe_fix_stack_asms): Use base_reg_class.
11310 * regclass.c: Include "addresses.h".
11311 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11312 (init_reg_autoinc): Use new base_reg_class function.
11313 (record_reg_classes): Likewise.
11314 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11315 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11316 Use new args to compute necessary class.
11318 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11319 regrename.o, rtl-factoring.o): Update dependencies.
11320 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11321 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11322 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11323 REG_OK_FOR_INDEX_P): Delete documentation.
11325 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11327 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11328 from V7 to V9 for Solaris 7 and above.
11330 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11332 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11333 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11334 argument pointers may not alias any other storage.
11335 * common.opt: Define option -fargument-noalias-anything.
11336 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11337 alias semantics is specified by flag_argument_noalias > 2.
11339 2006-03-20 Jeff Law <law@redhat.com>
11341 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11342 (pass_phi_only_cprop): Declare.
11343 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11344 with phi_only_cprop
11345 * tree-ssa-dom.c (degenerate_phi_result): New function.
11346 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11347 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11348 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11349 (eliminate_degenerate_phis): Likewise.
11350 (pass_phi_only_cprop): New pass descriptor.
11351 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11352 support code. Callers updated.
11353 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11354 (store_copy_prop): Likewise.
11355 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11357 2006-03-20 Jason Merrill <jason@redhat.com>
11360 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11361 (push_visibility, pop_visibility): Likewise.
11362 * c-pragma.h: Declare them.
11364 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11366 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11368 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11369 parameter and use get_ebb_head_tail.
11370 (sh_md_init_global): Adjust uses of find_regmode_weight.
11372 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11374 * function.h (struct function) <x_tail_recursion_reentry>:
11375 Rename to x_stack_check_probe_note.
11376 (tail_recursion_reentry): Rename to stack_check_probe_note.
11377 * function.c: Replace tail_recursion_reentry with
11378 stack_check_probe_note everywhere.
11379 (expand_function_start): Only emit a note for
11380 stack_check_probe_note with -fstack-protect.
11381 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11383 * emit-rtl.c (remove_unnecessary_notes): Remove.
11384 (pass_remove_unnecessary_notes): Remove.
11385 * rtl.h (remove_unnecessary_notes): Remove prototype.
11386 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11387 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11388 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11390 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11393 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11394 (valid_in_set): Handle ARRAY_REF.
11395 Change "if min_variant or VH" to asserts.
11396 (create_component_ref_by_pieces): Handle ARRAY_REF.
11397 (create_expression_by_pieces): Likewise.
11398 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11400 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11402 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11403 is operand of switch, not str[0].
11405 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11407 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11408 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11410 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11412 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11413 end of insn_extra_address_constraint declaration.
11415 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11417 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11418 (no-sum-in-toc): Same.
11419 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11421 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11422 NO_FP_IN_TOC for -fPIC instead of mask.
11424 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11425 (BOOT_LDFLAGS): Delete.
11427 * config/rs6000/t-aix52: Same.
11429 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11430 (stmsi[345678]_power): New.
11432 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11434 * config/ia64/ia64.opt: Add empty line to end of file.
11436 2006-03-17 Richard Guenther <rguenther@suse.de>
11438 PR middle-end/26721
11439 * builtins.c (get_pointer_alignment): For component style references
11440 adjust alignment to the component type alignment. Make sure
11441 to adjust alignment for component access of constants.
11443 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11445 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11446 unconditional jump.
11448 2006-03-17 Paul Brook <paul@codesourcery.com>
11450 * doc/install.texi: Docuemnt --with-mode.
11451 * config.gcc: Add --with-mode for arm*-*-*.
11452 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11454 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11456 * sh.c (max_labelno_before_reorg): New variable.
11457 (sh_reorg): Initialize it.
11458 (find_barrier): Check max_labelno_before_reorg before using
11459 label_to_alignment. Take length of explicit alignment insns
11460 into account. When seeing a UNSPECV_CONST_END, return it.
11462 * sh.c (fixup_mova): Set mode of affected label to QImode.
11463 (untangle_mova): New function.
11464 (find_barrier): Use it. Check mode of label before decrementing
11466 (sh_reorg): Likewise.
11467 Set mode of all insns back to VOIDmode.
11469 * sh.c (MOVA_LABELREF): New macro.
11470 (mova_p, fixup_mova, sh_reorg): Use it.
11471 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11472 ADDR_DIFF_VEC matches mova.
11474 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11476 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11477 with ATTRIBUTE_UNUSED.
11479 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11481 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11482 pointer, instead of assuming it is possible to derive the
11483 correct args size from a call insn.
11485 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11487 * rtl.h (CONST_INT_P): Define.
11488 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11489 instead of GET_CODE(x) == CONST_INT.
11490 (vax_rtx_costs): Likewise.
11491 (vax_output_int_move): Likewise.
11492 (vax_output_int_add): Likewise.
11493 (legitimate_constant_address_p): Likewise.
11494 (index_term_p): Likewise.
11495 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11496 * config/vax/vax.md (and<mode>3): Likewise.
11497 (ashrsi3): Likewise.
11499 (movstricthi): Likewise.
11500 (movstrictqi): Likewise.
11501 (rotrsi3): Likewise.
11502 (five unnamed insns): Likewise.
11504 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11506 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11507 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11508 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11509 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11510 Pass to ASM_OUTPUT_DWARF_OFFSET.
11511 * dwarf2out.c (debug_frame_section): New.
11512 (output_call_frame_info): Use debug_frame_section. Pass it to
11513 dw2_asm_output_offset.
11514 (output_die): Pass appropriate section to dw2_asm_output_offset.
11515 (output_compilation_unit_header): Likewise.
11516 (output_pubnames): Likewise.
11517 (output_aranges): Likewise.
11518 (enum dw_val_class): Break dw_val_class_lbl_offset into
11519 dw_val_class_lineptr and dw_val_class_macptr.
11520 (add_AT_lbl_offset): Delete.
11521 (add_AT_lineptr): New.
11522 (add_AT_macptr): New.
11523 (AT_lbl): Expect a lineptr or macptr.
11524 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11525 (attr_checksum): Likewise.
11526 (same_dw_val_p): Likewise.
11527 (size_of_die): Likewise.
11528 (value_format): Likewise.
11529 (output_die): Likewise.
11530 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11532 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11533 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11534 * config/darwin-protos.h (darwin_file_start): New.
11535 (darwin_asm_output_dwarf_offset): New.
11536 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11537 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11539 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11540 if not EH section; simplify.
11541 (darwin_file_start): New.
11542 (darwin_asm_output_dwarf_offset): New.
11543 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11545 (DEBUG_INFO_SECTION): Likewise.
11546 (DEBUG_ABBREV_SECTION): Likewise.
11547 (DEBUG_ARANGES_SECTION): Likewise.
11548 (DEBUG_MACINFO_SECTION): Likewise.
11549 (DEBUG_LINE_SECTION): Likewise.
11550 (DEBUG_LOC_SECTION): Likewise.
11551 (DEBUG_PUBNAMES_SECTION): Likewise.
11552 (DEBUG_STR_SECTION): Likewise.
11553 (DEBUG_RANGES_SECTION): Likewise.
11554 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11555 (ASM_OUTPUT_DWARF_OFFSET): New.
11557 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11559 * config.gcc (tm_defines): Always add to previous value rather
11562 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11564 * config/mips/predicates.md (splittable_const_int_operand): New,
11565 split from move_operand.
11566 (splittable_symbolic_operand): New.
11567 (move_operand): Add commentary. Use splittable_const_int_operand.
11568 Inline mips_atomic_symbolic_constant_p.
11569 * config/mips/mips.md: Add combine splitters for handling moves
11570 of splittable_const_int_operands and splittable_symbolic_operands.
11571 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11572 (mips_split_symbol): Declare.
11573 (mips_move_integer): Declare.
11574 * config/mips/mips.c (mips_split_p): Make global.
11575 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11576 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11577 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11578 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11579 (mips_offset_within_object_p): Handle block symbols.
11580 (mips_atomic_symbolic_constant_p): Delete.
11581 (mips_cannot_force_const_mem): Return false for constants that
11582 mips_legitimize_move can handle.
11583 (mips_use_blocks_for_constant_p): New function.
11584 (mips_split_symbol): Make global.
11585 (mips_move_integer): Likewise. Add a temporary register argument.
11586 (mips_legitimize_const_move): Use splittable_const_int_operand and
11587 splittable_symbolic_operand.
11588 (mips_use_anchors_for_symbol_p): New function.
11589 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11590 (mips_split_p): Declare.
11592 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11594 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11595 (mips*-*-linux*): Likewise.
11597 2006-03-16 Roger Sayle <roger@eyesopen.com>
11598 Daniel Speyer <dspeyer@wam.umd.edu>
11600 PR middle-end/18259
11601 * tree-dump.c (dump_real): New function.
11602 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11603 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11604 (tree-dump.o): Add $(REAL_H) to the dependencies.
11606 2006-03-16 Roger Sayle <roger@eyesopen.com>
11608 PR middle-end/21781
11609 * real.c (real_from_string): If the mantissa is zero, don't bother
11610 parsing the exponent as the result should always be zero.
11612 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11614 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11616 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11618 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11619 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11620 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11621 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11622 ia64_sched_finish_global): New static functions to implement
11623 hooks from gcc_target.sched.
11624 (spec_check_no, max_uid, pending_data_specs): New static variables.
11625 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11626 ia64_spec_check_src_p): New static functions.
11627 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11628 (TARGET_SCHED_ADJUST_COST): Removed.
11629 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11630 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11631 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11632 TARGET_SCHED_GEN_CHECK,
11633 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11634 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11635 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11636 Fixed to handle speculation checks.
11637 (rtx_needs_barrier): Fixed to handle speculative loads and
11639 (ia64_variable_issue): Added code to count speculative loads and their
11641 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11643 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11645 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11647 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11648 (ia64_reorg): Reset stops_p to NULL after it is freed.
11649 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11650 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11651 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11653 (data_speculative, control_speculative, check_load): New attributes.
11654 (mov<mode>_advanced, mov<mode>_speculative,
11655 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11656 zero_extend<mode>di2_speculative,
11657 zero_extend<mode>di2_speculative_advanced): New patterns for
11658 data and control speculative loads.
11659 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11661 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11662 New pattern for data and control speculation checks.
11663 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11664 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11665 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11666 Auxiliary definitions for the patterns.
11667 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11668 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11670 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11672 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11673 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11674 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11675 New resource constraints.
11676 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11678 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11679 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11680 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11681 msched-in-control-spec, msched-ldc, msched-control-ldc,
11682 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11683 msched-prefer-non-control-spec-insns,
11684 msched-count-spec-in-critical-path): New flags to tune speculative
11686 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11687 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11688 msched-in-control-spec, msched-ldc, msched-control-ldc,
11689 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11690 msched-prefer-non-control-spec-insns,
11691 msched-count-spec-in-critical-path): Document new flags.
11693 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11695 * target.h (struct spec_info_def): New opaque declaration.
11696 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11697 speculate_insn, needs_block_p, gen_check,
11698 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11699 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11700 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11701 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11702 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11703 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11705 (TARGET_SCHED): Use new macros.
11706 * rtl.h (copy_DEPS_LIST_list): New prototype.
11707 * sched-int.h (struct sched_info): Change signature of new_ready field,
11708 adjust all initializations. New fields: add_remove_insn,
11709 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11710 region_head_or_leaf_p.
11711 (struct spec_info_def): New structure declaration.
11712 (spec_info_t): New typedef.
11713 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11714 recovery_block, orig_pat.
11715 (glat_start, glat_end): New variables declaraions.
11716 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11718 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11719 DETACH_LIFE_INFO, USE_GLAT.
11720 (enum SPEC_SCHED_FLAGS): New enumeration.
11721 (NOTE_NOTE_BB_P): New macro.
11722 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11723 attach_life_info, debug_spec_status, check_reg_live): New functions.
11724 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11725 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11727 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11728 * ddg.c (get_block_head_tail): Adjust all uses.
11729 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11730 (sms_sched_info): Initialize new fields.
11731 (contributes_to_priority): Removed.
11732 * haifa-sched.c (params.h): New include.
11733 (get_block_head_tail): Adjust all uses.
11734 (ISSUE_POINTS): New macro.
11735 (glat_start, glat_end): New global variables.
11736 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11737 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11738 old_last_basic_block, before_recovery, current_sched_info_var,
11739 rgn_n_insns, luid): New static variables.
11740 (insn_cost1): New function. Move logic from insn_cost to here.
11741 (find_insn_reg_weight1): New function. Move logic from
11742 find_insn_reg_weight to here.
11743 (reemit_notes, move_insn, max_issue): Change signature.
11744 (move_insn1): Removed.
11745 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11746 extend_bb): New static functions to support extension of scheduler's
11748 (generate_recovery_code, process_insn_depend_be_in_spec,
11749 begin_speculative_block, add_to_speculative_block,
11750 init_before_recovery, create_recovery_block, create_check_block_twin,
11751 fix_recovery_deps): New static functions to support
11752 generation of recovery code.
11753 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11754 restore_bb_notes, move_block_after_check, move_succs): New static
11755 functions to support ebb scheduling.
11756 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11757 functions to support handling of register live information.
11758 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11759 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11760 add_jump_dependencies): New static functions.
11761 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11762 consistancy checking.
11763 (debug_spec_status): New function to call from debugger.
11764 (priority): Added code to handle speculation checks.
11765 (rank_for_schedule): Added code to distinguish speculative instructions.
11766 (schedule_insn): Added code to handle speculation checks.
11767 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11768 Fixed to handle ebbs.
11769 (move_insn): Added code to handle ebb scheduling.
11770 (max_issue): Added code to use ISSUE_POINTS of instructions.
11771 (choose_ready): Added code to choose between speculative and
11772 non-speculative instructions.
11773 (schedule_block): Added code to handle ebb scheduling and scheduling of
11774 speculative instructions.
11775 (sched_init): Initialize new variables.
11776 (sched_finish): Free new variables. Print statistics.
11777 (try_ready): Added code to handle speculative instructions.
11778 * lists.c (copy_DEPS_LIST_list): New function.
11779 * sched-deps.c (extend_dependency_caches): New function. Move logic
11780 from create_dependency_caches to here.
11781 (get_dep_weak, ds_merge): Make global.
11782 * genattr.c (main): Code to output prototype for
11783 dfa_clear_single_insn_cache.
11784 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11785 (output_dfa_clean_insn_cache_func): Code to output
11786 dfa_clear_single_insn_cache function.
11787 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11789 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11791 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11792 New static variables.
11793 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11794 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11796 (ebb_sched_info): Initialize new fields.
11797 (get_block_head_tail): Adjust all uses.
11798 (compute_jump_reg_dependencies): Fixed to use glat_start.
11799 (schedule_ebb): Code to remove unreachable last block.
11800 (schedule_ebbs): Added code to update register live information.
11801 * sched-rgn.c (region_sched_info): Initialize new fields.
11802 (get_block_head_tail): Adjust all uses.
11803 (last_was_jump): Removed. Adjust users.
11804 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11805 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11806 Implement new hooks.
11807 (check_dead_notes1): New static function.
11808 (struct region): New fields: dont_calc_deps, has_real_ebb.
11809 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11810 (BB_TO_BLOCK): Fixed to handle EBBs.
11811 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11812 (ebb_head): New static variable.
11813 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11814 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11816 (compute_dom_prob_ps): New assertion.
11817 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11818 global_live_at_start.
11819 (init_ready_list): New assertions.
11820 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11821 (new_ready): Add support for BEGIN_CONTROL speculation.
11822 (schedule_insns): Fixed code that updates register live information
11824 (schedule_region): Fixed to handle EBBs.
11825 (init_regions): Use extend_regions and check_dead_notes1.
11826 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11827 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11828 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11829 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11830 TARGET_SCHED_GEN_CHECK,
11831 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11832 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11833 * doc/invoke.texi (max-sched-insn-conflict-delay,
11834 sched-spec-prob-cutoff): Document.
11836 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11838 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11839 inter_tick, queue_index.
11840 (struct sched_info): Change signature of init_ready_list field.
11841 Adjust all initializations.
11842 (RESOLVED_DEPS): New access macro.
11843 (ready_add): Remove prototype.
11844 (try_ready): Add prototype.
11845 * sched-rgn.c (init_ready_list): Use try_ready.
11846 (schedule_region): Initialize
11847 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11848 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11849 (init_ready_list): Use try_ready.
11850 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11851 * lists.c (remove_list_elem): Remove `static'.
11852 (remove_free_INSN_LIST_elem): New function.
11853 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11854 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11855 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11857 (readyp): New variable.
11858 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11859 change_queue_index, resolve_dep): New static functions.
11860 (try_ready): New function. Adjust callers in sched-rgn.c and
11861 sched-ebb.c to use it instead of ready_add.
11862 (clock_var): Move at the begining of file.
11863 (rank_for_schedule): Fix typo.
11864 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11865 (ready_lastpos): Enforce assertion.
11866 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11867 update all callers.
11868 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11869 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11870 (queue_to_ready): Use free_INSN_LIST_list.
11871 (early_queue_to_ready): Fix typo.
11872 (schedule_block): Init readyp. Move init_ready_list call after the
11873 initialization of clock_var. Fix error in rejecting insn by
11874 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11875 that previously corrected INSN_TICKs. Add code for handling
11877 (set_priorities): Fix typo.
11878 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11879 Clarify comment and code that keeps current_sched_info->next_tail
11882 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11884 * sched-rgn.c (extend_rgns): New static function.
11885 (find_rgns): Use it.
11886 (gather_region_statistics, print_region_statistics): New static
11888 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11889 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11891 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11892 Andrey Belevantsev <abel@ispras.ru>
11894 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11895 * lists.c (unused_deps_list): New variable.
11896 (free_list): Add assertions to verify the proper distinguishing
11897 between INSN_LISTs and DEPS_LISTs.
11898 (find_list_elem, remove_list_elem, remove_list_node): New static
11900 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11901 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11902 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11903 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11905 (free_INSN_LIST_node): Likewise.
11906 * modulo-sched.c (current_sched_info): Initialize flags field.
11907 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11908 * rtl.def (DEPS_LIST): Define.
11909 * rtl.h: Declare new functions from lists.c.
11910 * sched-deps.c (spec_dependency_cache): New static variable.
11911 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11912 (add_dependence): Change return type to void. Move the logic to ...
11913 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11914 (delete_all_dependences): Add comment about forward_dependency_cache.
11915 Handle spec_dependency_cache. Handle DEPS_LISTs.
11916 (fixup_sched_groups): Clarify the change of priority of output
11917 and anti dependencies.
11918 (sched_analyze_2): Adjust add_dependence calls to create data
11919 speculative dependence.
11920 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11921 Adjust all callers. Handle DEPS_LISTS.
11922 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11923 presence of speculation.
11924 (init_dependency_caches, free_dependency_caches):
11925 Handle spec_dependency_cache.
11926 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11927 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11928 New static functions.
11929 (add_or_update_back_dep, add_or_update_back_forw_dep,
11930 add_back_forw_dep, delete_back_forw_dep): New functions.
11931 * sched-int.h (ds_t, dw_t): New typedefs.
11932 (struct sched_info): Add new field flags.
11933 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11934 Prototype new sched-deps.c functions.
11935 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11936 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11937 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11938 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11939 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11940 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11942 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11944 * sched-rgn.c (current_sched_info): Initialize flags field.
11945 (schedule_insns): Initialize current_sched_info before the sched_init
11947 * sched-ebb.c (current_sched_info): Initialize flags field.
11948 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11949 Call add_or_update_back_dep instead of add_dependence.
11950 Create control speculative dependencies.
11951 (schedule_insns): Initialize current_sched_info before the sched_init
11954 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11956 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11958 (sh_fallback_frame_state): Likewise.
11960 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11962 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11963 Do switch on default_use_cxa_atexit.
11964 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11965 * config/darwin-crt3.o: New.
11966 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11967 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11968 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11970 * config/rs6000/t-darwin: Move crt2.o building to here.
11971 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11972 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11975 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11977 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11978 from '! xxx' to '!xxx' for coding-style conformance.
11979 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11980 (EXTRA_CONSTRAINT): Likewise.
11981 * config/vax/vax.md (four unnamed insns): Likewise.
11983 2006-03-15 Paul Brook <paul@codesourcery.com>
11985 * config/arm/arm.c (minipool_pad): New.
11986 (add_minipool_forward_ref): Include pool alignment padding in address
11988 (push_minipool_fix): Set minipool_pad.
11989 (minipool_pad): Ditto.
11991 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11993 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11994 instead of GET_CODE() == MEM and REG_P() instead of
11996 (print_operand_address): Likewise.
11997 (vax_address_cost): Likewise.
11998 (vax_rtx_costs): Likewise.
11999 (vax_notice_update_cc): Likewise.
12000 (vax_output_int_add): Likewise.
12001 (INDEX_REGISTER_P): Likewise.
12002 (BASE_REGISTER_P): Likewise.
12003 (nonindexed_address_p): Likewise.
12004 (vax_mode_dependent_address_p): Likewise.
12005 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12006 (PRINT_OPERAND): Likewise.
12007 * config/vax/vax.md (ashlsi3): Likewise.
12008 (ashlsi3): Likewise.
12009 (some more unnamed insns): Likewise.
12011 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12013 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12014 iterator-style macro.
12015 (mark_control_dependent_edges_necessary): Update the use of
12016 EXECUTE_IF_CONTROL_DEPENDENT.
12018 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12020 * config/sh/predicates.md (cache_address_operand): Special.
12021 (ua_address_operand): Likewise.
12023 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12025 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12027 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12029 2006-03-15 Andreas Schwab <schwab@suse.de>
12031 * gensupport.c (identify_predicable_attribute): Don't free p_false
12032 when it is still in use.
12034 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12036 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12037 the default setting here.
12039 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12041 * tree-pass.h (pass_cfg): Remove.
12042 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12043 * passes.c (pass_cfg): Don't run it.
12045 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12047 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12048 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12050 (stack_regs_mentioned): Update the uses of
12051 stack_regs_mentioned_data. Don't access the array beyond its
12053 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12054 Don't include gt-reg-stack.h.
12056 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12057 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12059 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12061 PR middle-end/26684
12062 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12065 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12067 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12069 2006-03-14 Richard Guenther <rguenther@suse.de>
12071 PR tree-optimization/26672
12072 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12075 2006-03-14 Richard Guenther <rguenther@suse.de>
12077 PR tree-optimization/26667
12078 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12079 node for the callees. Always allow inlining if it will shrink
12082 2006-03-14 Richard Guenther <rguenther@suse.de>
12084 PR middle-end/26659
12085 * builtins.c (get_pointer_alignment): Prefer alignment
12086 information from decls over that from types.
12088 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12091 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12093 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12095 * config/rs6000/rs6000.opt (mdlmzb): New option.
12096 (msched-prolog, msched-epilog): Use Var not Mask.
12097 * doc/invoke.texi (-mdlmzb): Document.
12098 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12100 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12101 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12103 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12105 PR rtl-optimization/25739
12106 * bt-load.c (augment_live_range): Free tos pointer.
12108 * gensupport.c (identify_predicable_attribute): Free
12110 * gcov.c (create_file_names): Free name pointer.
12112 2006-03-13 Roger Sayle <roger@eyesopen.com>
12114 PR middle-end/26557
12115 * stmt.c (emit_case_nodes): Handle the case where the index is a
12116 CONST_INT, where the comparison mode is specified by the index type.
12118 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12120 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12123 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12125 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12126 (*branch_fp_inverted): Likewise.
12128 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12130 PR middle-end/25989
12131 * omp-low.c (expand_omp_for_generic): Mark istart0
12132 and iend0 as addressable.
12134 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12136 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12138 2006-03-13 Jeff Law <law@redhat.com>
12140 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12141 virtual operands are interesting.
12142 (vrp_visit_stmt): Corresponding changes.
12144 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12146 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12148 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12149 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12150 * config/bfin/crti.S: Use it instead of __PIC__.
12151 * config/bfin/crtn.S: Likewise.
12153 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12154 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12156 Lose 'G' modifier for call operand.
12157 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12158 recognize 'G' modifier.
12160 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12162 PR middle-end/18859
12163 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12164 * stmt.c (expand_case): Likewise.
12166 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12168 PR rtl-optimization/26254
12169 * loop-invariant.c (seq_insns_valid_p): New function.
12170 (move_invariant_reg): Only emit new code if it is valid.
12172 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12174 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12176 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12177 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12178 (commit_one_edge_insertion): Do not look for loop notes.
12180 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12182 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12183 flag_test_coverage out of loop.
12185 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12187 * final.c (shorten_branches): Remove outdated comment, and turn
12188 the if branch that guards it to continue.
12190 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12192 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12193 * cfgloop.h (struct loop): Remove unused fields.
12195 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12197 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12198 (-dL, -fdump-rtl-loop2): Update the dump file names
12200 * doc/invoke.texi: Update dump file names.
12202 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12204 * predict.c (estimate_probability): Remove.
12205 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12206 * basic-block.h (estimate_probability): Remove prototype.
12207 * passes.c (finish_optimization_passes): Dump branch prediction or
12208 profiling heuristics to the .profile tree dump.
12209 (init_optimization_passes): Unqueue pass_branch_prob.
12211 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12213 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12215 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12216 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12218 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12220 * function.h (frame_offset_overflow): Declare.
12221 * function.c (frame_offset_overflow): New function.
12222 (assign_stack_local_1): Call it to detect that the offset overflows.
12223 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12225 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12227 * config/sh/sh.c: Include alloc-pool.h.
12228 (label_ref_list_pool): New alloc pool.
12229 (label_ref_list_t): New type for lists of labels.
12230 (struct pool_node): Make wend a label_ref_list_t.
12231 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12233 (dump_table): Likewise.
12234 (sh_reorg): Set up the alloc pool before using add_constant and
12235 dump_table, and destroy it when finishing.
12237 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12239 * config/mips/mips.c: Remove redundant comment.
12241 2006-03-10 Jason Merrill <jason@redhat.com>
12244 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12245 the target was declared 'register'.
12247 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12249 * genpreds.c (write_insn_constraint_len): Change definition of
12250 insn_constraint_len to return size_t to match the declaration.
12252 2006-03-10 DJ Delorie <dj@redhat.com>
12254 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12256 (m32c_expand_insv): Fix test for an AND mask.
12258 2006-03-10 Richard Guenther <rguenther@suse.de>
12260 PR middle-end/26565
12261 * builtins.c (get_pointer_alignment): Handle component
12262 references for field alignment.
12264 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12266 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12267 when building with libgloss.
12268 (sh*elf): Implement --without-fp option.
12269 (sh64-superh-linux*): Don't multilib.
12271 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12273 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12275 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12277 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12278 Set it when one of the replacement functions returned true.
12279 Return TODO_cleanup_cfg if cfgchanged is true.
12280 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12282 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12284 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12285 instead of gen_lowpart.
12287 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12289 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12291 (mips_output_order_conditional_branch): Declare.
12292 * config/mips/mips.h (MIPS_BRANCH): New macro.
12293 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12294 for the comparison. Use gen_condjump.
12295 (mips_output_conditional_branch): Rework interface to take the
12296 asm templates for a direct branch and the inverse of a direct branch.
12297 (mips_output_order_conditional_branch): New function.
12298 (mips_builtin_branch_and_move): New function.
12299 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12300 branch condition. Use gen_single_cc as the condition for
12301 __builtin_mips_upper_* or __builtin_mips_lower_*.
12302 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12303 Use VOIDmode for the branch condition.
12304 * config/mips/predicates.md (order_operator): New predicate.
12305 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12306 (branch_fp): Rename to...
12307 (*branch_fp): ...this. Remove mode from comparison operator.
12308 Use new mips_output_conditional_branch interface.
12309 (branch_fp_inverted): Rename to...
12310 (*branch_fp_inverted): ...this and update as for *branch_fp.
12311 (*branch_zero<mode>): Rename to...
12312 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12313 Use mips_output_order_conditional_branch. Only accept ordered
12315 (*branch_zero<mode>_inverted): Rename to...
12316 (*branch_order<mode>_inverted): ...this and update as for
12317 *branch_order<mode>.
12318 (*branch_equality<mode>): Accept zero as the second operand to
12319 the equality operator. Use the new mips_output_conditional_branch
12321 (*branch_equality<mode>_inverted): Likewise.
12322 (condjump): New expander.
12323 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12325 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12326 (bc1any2t, bc1any2f): Likewise.
12327 (single_cc): New expander.
12328 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12330 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12332 * doc/md.texi: Update documentation of MIPS constraints.
12333 * config/mips/constraints.md: New file.
12334 * config/mips/mips.md: Include it.
12335 * config/mips/mips.c (mips_char_to_class): Delete.
12336 (override_options): Don't initialize mips_char_to_class.
12337 * config/mips/mips.h (mips_char_to_class): Delete.
12338 (REG_CLASS_FROM_LETTER): Delete.
12339 (CONST_OK_FOR_LETTER_P): Delete.
12340 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12341 (EXTRA_CONSTRAINT_Y): Delete.
12342 (EXTRA_CONSTRAINT_STR): Delete.
12343 (CONSTRAINT_LEN): Delete.
12344 (EXTRA_MEMORY_CONSTRAINT): Delete.
12346 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12348 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12349 original fn's eh regions.
12351 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12353 * fold-const.c (build_range_check): Make sure to use a valid type to
12354 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12357 (range_predecessor): New static function.
12358 (range_successor): Likewise.
12359 (merge_ranges): Use them to compute predecessors and successors of
12362 2006-03-09 Roger Sayle <roger@eyesopen.com>
12364 PR middle-end/26561
12365 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12366 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12368 2006-03-08 DJ Delorie <dj@redhat.com>
12370 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12371 (addpsi3): Expand to include memory operands. Remove
12372 reload-specific splits.
12373 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12374 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12375 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12376 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12377 (shift1_qi, shift1_hi, insv): New.
12378 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12379 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12380 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12382 * config/m32c/m32c-protos.h: Update as needed.
12383 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12384 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12385 Fail for unrecognized R* constraints.
12386 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12387 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12388 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12390 (m32c_init_libfuncs): New.
12391 (m32c_legitimate_address_p): Add debug wrapper.
12392 (m32c_rtx_costs): New.
12393 (m32c_address_cost): New.
12394 (conversions): Add 'B' prefix.
12395 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12396 operands, or word regnames for QI operands. 'B' prints bit
12398 (m32c_expand_setmemhi): New.
12399 (m32c_expand_movmemhi): New.
12400 (m32c_expand_movstr): New.
12401 (m32c_expand_cmpstr): New.
12402 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12403 (m32c_expand_neg_mulpsi3): Handle non-ints.
12404 (m32c_cmp_flg_0): New.
12405 (m32c_expand_movcc): New.
12406 (m32c_expand_insv): New.
12407 (m32c_scc_pattern): New.
12408 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12409 a0/a1 out of SIregs.
12410 (STORE_FLAG_VALUE): New.
12411 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12414 * config/m32c/mov.md: Make constraints more liberal.
12415 (zero_extendqihi2): Optimize r0/r1 case.
12416 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12417 * config/m32c/predicates.md (m32c_any_operand): New.
12418 (m32c_nonimmediate_operand): New.
12419 (m32c_hl_operand): New.
12420 (m32c_r3_operand): New.
12423 (memsym_operand): New.
12424 (memimmed_operand): New.
12425 (a_qi_operand): New.
12426 (m32c_eqne_operator): New.
12427 (m32c_1bit8_operand): New.
12428 (m32c_1bit16_operand): New.
12429 (m32c_1mask8_operand): New.
12430 (m32c_1mask16_operand): New.
12431 * config/m32c/blkmov.md: New file.
12432 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12434 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12436 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12437 unsigned to fix signed/unsigned comparison issue in
12438 DWARF2_FRAME_REG_OUT.
12439 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12440 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12442 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12443 of ptr into the ENABLE_CHECKING section.
12445 2006-03-08 Jeff Law <law@redhat.com>
12447 * tree-vrp.c (infer_value_range): Only count pointer uses
12448 and dereferences if -fdelete-null-pointer-checks is enabled.
12450 * tree-vrp.c (find_assert_locations): Infer value ranges for
12451 single use pointers, but do not create ASSERT_EXPRs for them.
12452 When a non-null range is inferred for a pointer, backwards
12453 propagate that range to other equivalent pointers through the
12456 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12459 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12460 language hook targets.
12461 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12462 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12463 if language hook targets were missing.
12465 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12467 * tree-ssa-opfinalize.h: Removed.
12468 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12470 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12471 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12472 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12473 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12474 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12475 finalize_ssa_v_must_def_ops): New.
12477 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12479 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12480 block as parameter.
12482 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12484 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12486 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12487 addresses with offsets; reorganize.
12489 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12490 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12491 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12493 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12496 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12498 2006-03-08 Ben Elliston <bje@au.ibm.com>
12500 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12502 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12505 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12508 2006-03-07 Richard Guenther <rguenther@suse.de>
12510 PR tree-optimization/26587
12511 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12513 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12515 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12517 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12519 * hooks.c (hook_bool_mode_rtx_true): New function.
12520 * hooks.h (hook_bool_mode_rtx_true): Declare.
12521 * toplev.c (compile_file): Call output_shared_constant_pool.
12522 * varasm.c (shared_constant_pool): New variable.
12523 (assemble_start_function, assemble_end_function): Remove arguments
12524 from call to output_constant_pool.
12525 (create_constant_pool): New function, split out from...
12526 (init_varasm_status): ...here.
12527 (force_const_mem): Choose between the shared and per-function constant
12528 pools. Set current_function_uses_const_pool when reusing old entries
12529 as well as when creating new ones.
12530 (mark_constant): Ignore data argument.
12531 (mark_constants): Remove pool argument.
12532 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12533 to decide whether the function uses a constant pool.
12534 (output_constant_pool_contents): New function, split out from...
12535 (output_constant_pool): ...here.
12536 (output_shared_constant_pool): New function.
12537 (init_varasm_once): Initialize shared_constant_pool.
12538 * output.h (output_constant_pool): Delete.
12539 (output_shared_constant_pool): Declare.
12540 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12541 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12543 2006-03-06 Nick Clifton <nickc@redhat.com>
12545 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12546 flag_strength_reduce.
12548 2006-03-06 Ben Elliston <bje@au.ibm.com>
12550 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12551 x86_64-*-linux* configurations.
12553 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12554 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12556 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12558 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12560 * basic-block.h: Remove the extern for
12561 rediscover_loops_after_threading.
12563 * cfgloop.c (cancel_loop): Make it static.
12564 * cfgloop.h: Remove the prototype for cancel_loop.
12566 * flow.c (recompute_reg_usage): Make it static.
12567 * rtl.h: Remove the prototype for recompute_reg_usage.
12569 * function.c (use_return_register): Make it static.
12570 * function.h: Remove the prototype.
12572 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12574 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12576 * recog.h: Remove the prototype for
12577 validate_change_maybe_volatile.
12579 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12581 * rtlanal.c (replace_reg): Remove.
12582 * rtl.h: Remove the prototype for replace_reg.
12584 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12586 * regclass.c (reg_scan_update): Remove.
12587 (reg_scan_mark_refs): Remove the last argument.
12588 * rtl.h: Remove the prototype for reg_scan_update.
12590 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12592 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12593 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12594 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12595 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12596 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12597 loop-invariant.c, omp-low.c, opts.c, passes.c,
12598 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12599 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12600 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12601 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12602 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12603 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12605 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12607 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12608 * dwarf2out.h: Remove the prototype for
12609 dwarf2out_add_library_unit_info.
12611 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12613 * tree.c (add_var_to_bind_expr): Remove.
12614 * tree.h: Remove the prototype for add_var_to_bind_expr.
12616 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12618 * regclass.c (n_non_fixed_regs): Remove.
12619 (init_reg_sets_1, globalize_reg): Remove all uses of
12621 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12623 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12625 * rtlanal.c (insns_safe_to_move_p): Remove.
12626 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12628 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12630 * expmed.c (expand_mult_add): Remove.
12631 * expr.h: Remove the prototype for expand_mult_add.
12633 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12635 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12636 and REG_SAVED_VAL_EXP constants.
12637 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12638 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12639 Handle regs stored by value.
12640 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12641 (execute_cfa_program): Handle DW_CFA_val_offset,
12642 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12643 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12644 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12645 (uw_install_context_1): Handle target regs stored by value.
12647 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12649 * tree-sra.c (tree_sra): Return todoflags;
12650 (generate_one_element): Set TODO_update_smt_usage if needed.
12651 (pass_sra): Remove TODO_update_smt_usage.
12652 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12654 (tree_ssa_forward_propagate_single_use_vars): Return
12655 TODO_update_smt_usage if we need to update SMT usage.
12656 (pass_forwprop): Remove TODO_update_smt_usage.
12658 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12660 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12661 (correct_use_link): Remove reference to get_stmt_operands.
12662 (update_stmt_operands): Likewise.
12663 (get_modify_expr_operands): New function factored out of
12664 parse_ssa_operands and get_expr_operands.
12665 Try to create V_MUST_DEFs for LHS by default.
12666 (get_expr_operands) <case MODIFY_EXPR>: Call
12667 get_modify_expr_operands.
12668 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12669 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12670 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12671 get_modify_expr_operands.
12673 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12675 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12676 * tree-flow.h: Remove the prototype for
12677 referenced_var_lookup_if_exists.
12679 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12681 PR rtl-optimization/26345
12683 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12685 2006-03-03 Roger Sayle <roger@eyesopen.com>
12687 PR tree-optimization/26524
12688 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12689 fold_convert to create a constant of the appropriate type.
12691 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12693 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12694 SYMBOL_REF_IN_BLOCK_P.
12695 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12696 of SYMBOL_FLAG_IN_BLOCK.
12697 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12698 instead of SYMBOL_REF_IN_BLOCK_P.
12699 * explow.c (use_anchored_address): Likewise.
12700 * rtl.c (rtx_size): Likewise.
12701 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12702 instead of SYMBOL_FLAG_IN_BLOCK.
12703 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12704 SYMBOL_REF_IN_BLOCK_P.
12705 (assemble_variable): Likewise.
12706 (output_constant_def_contents): Likewise.
12707 (output_constant_pool): Likewise.
12708 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12709 instead of SYMBOL_FLAG_IN_BLOCK.
12710 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12711 SYMBOL_REF_IN_BLOCK_P.
12712 (SYMBOL_REF_BLOCK): Likewise.
12713 (SYMBOL_REF_OFFSET): Likewise.
12714 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12715 SYMBOL_REF_IN_BLOCK_P.
12716 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12717 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12718 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12719 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12721 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12723 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12725 2006-03-02 Roger Sayle <roger@eyesopen.com>
12727 * simplify-rtx.c (simplify_unary_operation): When simplifying
12728 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12729 that we perform the right shift in the appropriate mode, and
12730 then extend or truncate the result to requested mode.
12732 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12734 * gengtype.c (main): Handle double_int type.
12735 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12736 * double-int.c: New file.
12737 * double-int.h: New file.
12738 * system.h: Include doubleint.h.
12739 * Makefile.in (SYSTEM_H): Include double-int.h.
12740 (double-int.o): Add.
12742 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12745 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12748 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12750 * tree-vrp.c (remove_range_assertions): Do not update statements
12753 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12755 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12757 * gcse.c (rest_of_handle_gcse): Ditto.
12758 * except.c (gate_handle_eh): Ditto.
12759 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12760 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12762 2006-03-02 Eric Christopher <echristo@apple.com>
12764 * config/i386/i386.c (machopic_output_stub): Add indirection to
12767 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12771 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12773 Sun Niagara specific optimizations.
12774 * config.gcc: Recognize niagara as target.
12775 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12776 (TARGET_CPU_niagara): Define.
12777 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12778 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12779 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12780 (ASM_CPU_SPEC): Likewise.
12781 (PROCESSOR_NIAGARA): New enum entry.
12782 (REGISTER_MOVE_COST): Handle Niagara.
12783 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12784 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12785 (sparc_override_options): Recognize "niagara", set appropriate
12786 default MASK_* values for it, and align functions to 32-bytes
12787 by default just like ULTRASPARC/ULTRASPARC3.
12788 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12789 (sparc64_initialize_trampoline): Likewise.
12790 (sparc_use_sched_lookahead): Use zero for niagara.
12791 (sparc_issue_rate): Use one for niagara.
12792 * config/sparc/niagara.md: New file.
12793 * config/sparc/sparc.md: Include it.
12794 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12795 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12796 when default cpu is niagara.
12797 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12798 (ASM_CPU_SPEC): Likewise.
12799 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12800 when default cpu is niagara.
12801 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12802 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12803 just like v9/ultrasparc/ultrasparc3.
12804 * doc/invoke.texi: Add documentation for "niagara" and improve
12805 existing documentation for ultrasparc variants.
12807 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12809 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12811 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12813 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12814 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12815 and say that only one is needed.
12816 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12817 * target.h (have_switchable_bss_sections): New hook.
12818 * explow.c (use_anchored_address): Check that the symbol is in a block.
12819 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12820 (bss_noswitch_section): New variables.
12821 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12822 (get_noswitch_section): New function.
12823 (get_block_for_section): Allow SECT to be null.
12824 (unlikely_text_section_p): Use SECTION_STYLE.
12825 (bss_initializer_p): New function.
12826 (get_variable_section): Move earlier in file. Take a new argument,
12827 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12828 Return one of the new *_sections in such cases.
12829 (get_block_for_decl): New function, extracting some logic from
12830 use_blocks_for_decl_p.
12831 (change_symbol_section): Remove in favor of...
12832 (change_symbol_block): ...this new function.
12833 (use_blocks_for_decl_p): Remove checks now performed by
12834 get_block_for_decl.
12835 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12836 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12837 (emit_local, emit_bss, emit_common): ...these new functions.
12838 Return true if the alignment was honored.
12839 (emit_tls_common): New function.
12840 (asm_emit_uninitialised): Delete.
12841 (assemble_variable_noswitch): New function, split out from...
12842 (assemble_variable): ...here. Don't make decisions about common
12843 variables here. Globalize all public decls that go into non-common
12844 sections. Check whether SYMBOL_REF_BLOCK is null.
12845 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12846 (output_constant_pool): Likewise.
12847 (init_varasm_once): Initialize the new section variables.
12848 (have_global_bss_p): New function.
12849 (categorize_decl_for_section): Use bss_initializer_p.
12850 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12851 (place_block_symbol): Assert that the symbol must be in a block.
12852 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12853 (TARGET_INITIALIZER): Include it.
12854 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12855 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12856 (SECTION_MACH_DEP): Bump by two.
12857 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12858 (unnamed_section): Mention SECTION_UNNAMED in comment.
12859 (named_section): Likewise SECTION_NAMED.
12860 (noswitch_section_callback): New type.
12861 (noswitch_section): New structure.
12862 (section): Add a noswitch_section alternative.
12863 (SECTION_STYLE): New macro.
12864 (tls_comm_section, comm_section, lcomm_section): Declare.
12865 (bss_noswitch_section, have_global_bss_p): Declare.
12866 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12867 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12869 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12870 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12873 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12875 * tree-vrp.c (execute_vrp): Return value.
12876 * regrename.c (rest_of_handle_regrename): Ditto.
12877 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12878 * tree-complex.c (tree_lower_complex): Ditto.
12879 (tree_lower_complex_O0): Ditto.
12880 * tracer.c (rest_of_handle_tracer): Ditto.
12881 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12882 * postreload.c (rest_of_handle_postreload): Ditto.
12883 * tree-tailcall.c (execute_tail_recursion): Ditto.
12884 (execute_tail_calls): Ditto.
12885 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12886 * tree.h (init_function_for_compilation): Ditto.
12887 * ipa-cp.c (ipcp_driver): Ditto.
12888 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12889 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12890 * final.c (compute_alignments): Ditto.
12891 (rest_of_handle_final): Ditto.
12892 (rest_of_handle_shorten_branches): Ditto.
12893 (rest_of_clean_state): Ditto.
12894 * omp-low.c (execute_expand_omp): Ditto.
12895 (execute_lower_omp): Ditto.
12896 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12897 * ipa-reference.c (static_execute): Ditto.
12898 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12899 * reorg.c (rest_of_handle_delay_slots): Ditto.
12900 (rest_of_handle_machine_reorg): Ditto.
12901 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12902 * flow.c (recompute_reg_usage): Ditto.
12903 (rest_of_handle_remove_death_notes): Ditto.
12904 (rest_of_handle_life): Ditto.
12905 (rest_of_handle_flow2): Ditto.
12906 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12907 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12908 (do_ssa_store_ccp): Ditto.
12909 (execute_fold_all_builtins): Ditto.
12910 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12911 * modulo-sched.c (rest_of_handle_sms): Ditto.
12912 * ipa-pure-const.c (static_execute): Ditto.
12913 * cse.c (rest_of_handle_cse): Ditto.
12914 (rest_of_handle_cse2): Ditto.
12915 * web.c (rest_of_handle_web): Ditto.
12916 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12917 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12918 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12919 * tree-nrv.c (tree_nrv): Ditto.
12920 (execute_return_slot_opt): Ditto.
12921 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12922 (create_structure_vars): Ditto.
12923 * loop-init.c (rtl_loop_init): Ditto.
12924 (rtl_loop_done): Ditto.
12925 (rtl_move_loop_invariants): Ditto.
12926 (rtl_unswitch): Ditto.
12927 (rtl_unroll_and_peel_loops): Ditto.
12928 (rtl_doloop): Ditto.
12929 * gimple-low.c (lower_function_body): Ditto.
12930 (mark_used_blocks): Ditto.
12931 * tree-ssa-sink.c (execute_sink_code): Ditto.
12932 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12933 (cgraph_early_inlining): Ditto.
12934 * global.c (rest_of_handle_global_alloc): Ditto.
12935 * jump.c (cleanup_barriers): Ditto.
12936 (purge_line_number_notes): Ditto.
12937 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12938 (rest_of_handle_if_after_reload): Ditto.
12939 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12940 (tree_ssa_loop_im): Ditto.
12941 (tree_ssa_loop_unswitch): Ditto.
12942 (tree_vectorize): Ditto.
12943 (tree_linear_transform): Ditto.
12944 (tree_ssa_loop_ivcanon): Ditto.
12945 (tree_ssa_empty_loop): Ditto.
12946 (tree_ssa_loop_bounds): Ditto.
12947 (tree_complete_unroll): Ditto.
12948 (tree_ssa_loop_prefetch): Ditto.
12949 (tree_ssa_loop_ivopts): Ditto.
12950 (tree_ssa_loop_done): Ditto.
12951 * predict.c (tree_estimate_probability): Ditto.
12952 * recog.c (split_all_insns_noflow): Ditto.
12953 (rest_of_handle_peephole2): Ditto.
12954 (rest_of_handle_split_all_insns): Ditto.
12955 * tree-eh.c (lower_eh_constructs): Ditto.
12956 * regmove.c (rest_of_handle_regmove): Ditto.
12957 (rest_of_handle_stack_adjustments): Ditto.
12958 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12959 * function.c (instantiate_virtual_regs): Ditto.
12960 (init_function_for_compilation): Ditto.
12961 (rest_of_handle_check_leaf_regs): Ditto.
12962 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12963 (rest_of_handle_gcse): Ditto.
12964 * ipa-type-escape.c (type_escape_execute): Ditto.
12965 * alias.c (rest_of_handle_cfg): Ditto.
12966 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12967 * profile.c (rest_of_handle_branch_prob): Ditto.
12968 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12969 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12970 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12971 * tree-dfa.c (find_referenced_vars): Ditto.
12972 * except.c (set_nothrow_function_flags): Ditto.
12973 (convert_to_eh_region_ranges): Ditto.
12974 (rest_of_handle_eh): Ditto.
12975 * emit-rtl.c (unshare_all_rtl): Ditto.
12976 (remove_unnecessary_notes): Ditto.
12977 * except.h (set_nothrow_function_flags): Ditto.
12978 (convert_to_eh_region_ranges): Ditto.
12979 * cfgexpand.c (tree_expand_cfg): Ditto.
12980 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12981 * tree-ssa-pre.c (do_pre): Ditto.
12982 (execute_fre): Ditto.
12983 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12984 (rest_of_handle_jump2): Ditto.
12985 * tree-sra.c (tree_sra): Ditto.
12986 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12987 (execute_mudflap_function_decls): Ditto.
12988 * tree-ssa-copy.c (do_copy_prop): Ditto.
12989 (do_store_copy_prop): Ditto.
12990 * ipa-prop.h (ipcp_driver): Ditto.
12991 * cfglayout.c (insn_locators_initialize): Ditto.
12992 * tree-ssa-forwprop.c
12993 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12994 * cfglayout.h (insn_locators_initialize): Ditto.
12995 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12996 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12997 (execute_late_warn_uninitialized): Ditto.
12998 * rtl.h (cleanup_barriers): Ditto.
12999 (split_all_insns_noflow): Ditto.
13000 (purge_line_number_notes): Ditto.
13001 (unshare_all_rtl): Ditto.
13002 (remove_unnecessary_notes): Ditto.
13003 (recompute_reg_usage): Ditto.
13004 (variable_tracking_main): Ditto.
13005 * integrate.c (emit_initial_value_sets): Ditto.
13006 * integrate.h (emit_initial_value_sets): Ditto.
13007 * tree-optimize.c (execute_free_datastructures): Ditto
13008 (execute_free_cfg_annotations): Ditto.
13009 (execute_fixup_cfg): Ditto.
13010 (execute_cleanup_cfg_pre_ipa): Ditto.
13011 (execute_cleanup_cfg_post_optimizing): Ditto.
13012 (execute_init_datastructures): Ditto.
13013 * tree-object-size.c (compute_object_sizes): Ditto.
13014 * combine.c (rest_of_handle_combine): Ditto.
13015 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13016 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13017 (rest_of_handle_reorder_blocks): Ditto.
13018 (rest_of_handle_partition_blocks): Ditto.
13019 * var-tracking.c (variable_tracking_main): Ditto.
13020 * tree-profile.c (tree_profiling): Ditto.
13021 * tree-vect-generic.c (expand_vector_operations): Ditto.
13022 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13023 * sched-rgn.c (rest_of_handle_sched): Ditto.
13024 (rest_of_handle_sched2): Ditto.
13025 * basic-block.h (free_bb_insn): Ditto.
13026 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13027 * tree-cfg.c (execute_build_cfg): Ditto.
13028 (remove_useless_stmts): Ditto.
13029 (split_critical_edges): Ditto.
13030 (execute_warn_function_return): Ditto.
13031 (execute_warn_function_noreturn): Ditto.
13032 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13033 * cfgrtl.c (free_bb_for_insn): Ditto.
13034 * passes.c (execute_one_pass): Run additional
13035 todos returned by execute function.
13036 * tree-pass.h (struct tree_opt_pass): Make execute
13039 2006-03-02 Richard Guenther <rguenther@suse.de>
13041 * tree-ssa-alias.c (find_used_portions): Consider taking
13042 the address as making the variable not write-only.
13044 2006-03-02 Nick Clifton <nickc@redhat.com>
13046 * config.gcc (default_use_cxa_atexit): Extend the description of
13047 this configure variable. Set its default value to "yes" for
13048 Linux, NetBSD and ELF targets on the assumption that they will
13049 use C libraries with the __cxa_atexit function.
13051 2006-03-02 Ben Elliston <bje@au.ibm.com>
13053 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13054 parameter as unused to suppress a build warning.
13056 2006-03-02 Ben Elliston <bje@au.ibm.com>
13058 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13061 2006-03-01 Roger Sayle <roger@eyesopen.com>
13064 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13065 declared name, the weak reference name, and the typeof name.
13066 (__gthrw): Avoid expanding the declared name suffix.
13067 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13069 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13071 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13073 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13074 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13075 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13076 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13077 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13078 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13079 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13080 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13081 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13082 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13083 (DW_END_default, DW_END_big, DW_END_little): New.
13084 (DW_END_lo_user, DW_END_hi_user): Define.
13085 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13086 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13087 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13090 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13092 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13094 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13096 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13098 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13100 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13101 to 'symbol_mem_tag'.
13103 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13106 2006-03-01 Roger Sayle <roger@eyesopen.com>
13108 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13110 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13113 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13114 MACHO_DYNAMIC_NO_PIC_P.
13115 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13117 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13120 * config/darwin-protos.h (darwin_asm_output_anchor):
13122 * config/darwin-sections.def (cstring_section):
13123 Add SECTION_MERGE to the flags.
13124 (literal4_section): Likewise.
13125 (literal8_section): Likewise.
13126 (objc_selector_refs_section): Likewise.
13127 (objc_cls_refs_section): Likewise.
13128 * config/darwin.c (darwin_asm_output_anchor): New
13130 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13132 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13134 Fix PR tree-optimization/26443
13135 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13136 to todo and PROP_tmt_usage to properties_destroyed.
13137 * tree-ssa-ccp.c (pass_ccp): Ditto.
13138 (pass_store_ccp): Ditto.
13139 * tree-ssa-dom.c (pass_dominator): Ditto.
13141 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13143 * tree-ssa-operands.c: Cleanup whitespace.
13144 (get_asm_expr_operands): Move before first invocation.
13145 (get_indirect_ref_operands): Likewise.
13146 (get_tmr_operands): Likewise.
13147 (get_call_expr_operands): Likewise.
13148 (append_def): Likewise.
13149 (append_use): Likewise.
13150 (append_v_may_def): Likewise.
13151 (append_v_must_def): Likewise.
13152 (add_call_clobber_ops): Likewise.
13153 (add_call_read_ops): Likewise.
13154 (add_stmt_operand): Likewise.
13155 (add_virtual_operand): Likewise.
13156 (build_ssa_operands): Likewise.
13158 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13160 PR middle-end/26022
13162 PR middle-end/24437
13163 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13164 with a call expr to ...
13165 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13167 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13169 * tree-vrp.c (extract_range_from_assert): Remove special
13170 handling for types with super-types.
13172 2006-03-01 Ben Elliston <bje@au.ibm.com>
13174 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13175 and powerpc64-*-linux* configurations.
13176 * config/t-dfprules: New file.
13178 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13179 Compile dfp-bit.c from the source directory using -DWIDTH and
13180 $DFP_CFLAGS to control the compilation of that file, rather than
13181 generating width-specific versions in the build directory.
13182 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13183 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13185 2006-02-28 Zack Weinberg <zackw@panix.com>
13187 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13190 2006-02-28 Eric Christopher <echristo@apple.com>
13192 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13193 Set up IN_LIBGCC definition of TARGET_64BIT.
13194 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13196 2006-02-28 Roger Sayle <roger@eyesopen.com>
13198 PR middle-end/14752
13199 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13200 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13201 cases via the construction of "expr != 0".
13203 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13205 * alias.c (alias_invariant, alias_invariant_size): Remove.
13206 (record_base_value): Remove.
13207 (memrefs_conflict_p): Don't look at alias_invariant.
13208 (end_alias_analysis): Don't free it.
13209 * alias.h (record_base_value): Remove prototype.
13211 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13212 Adam Nemet <anemet@caviumnetworks.com>
13214 * rtl.h (truncated_to_mode): Declare it.
13215 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13216 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13217 (RTL_HOOKS_INITIALIZER): Include it.
13218 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13219 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13220 reg_truncated_to_mode.
13221 * rtlanal.c (truncated_to_mode): Define it.
13222 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13224 2006-02-28 Jeff Law <law@redhat.com>
13226 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13227 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13228 the range allowed by TYPE_PRECISION.
13230 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13232 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13234 PR tree-optimization/26419
13235 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13238 2006-02-27 Zack Weinberg <zackw@panix.com>
13240 * doc/md.texi: Fix typo in previous change.
13242 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13246 2006-02-27 Zack Weinberg <zackw@panix.com>
13248 * rtl.def (define_constraint, define_register_constraint)
13249 (define_memory_constraint, define_address_constraint): New MD forms.
13250 * gensupport.c (process_rtx): Put define_constraint etc on the
13252 * genpreds.c (process_define_predicate): Adjust comment. Validate
13253 the name, and call validate_exp to validate the expression.
13254 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13255 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13256 all callers changed.
13257 (validate_exp, needs_variable, struct constraint_data)
13258 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13259 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13260 (const_dbl_constraints, constraint_max_namelen)
13261 (have_register_constraints, have_memory_constraints)
13262 (have_address_constraints, have_address_constraints)
13263 (have_extra_constraints, have_const_int_constraints)
13264 (have_const_dbl_constraints, mangle, add_constraint)
13265 (process_define_constraint, process_define_register_constraint)
13266 (write_enum_constraint_num, write_lookup_constraint)
13267 (write_insn_constraint_len, write_regclass_for_constraint)
13268 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13269 (write_insn_extra_memory_constraint)
13270 (write_insn_extra_address_constraint)
13271 (write_satisfies_constraint_fns): New.
13272 (write_tm_preds_h): If we have new-style constraint definitions,
13273 prototype the functions generated from them, and define the
13274 old constraint interface (still used by generic code) in terms of
13276 (write_insn_preds_c): If we have new-style constraint definitions,
13277 generate all relevant functions from those definitions.
13278 (main): Handle define_constraint etc.
13279 * genoutput.c (struct constraint_data, indep_constraints)
13280 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13281 (mdep_constraint_len): New data structures and functions, defined
13282 #ifdef USE_MD_CONSTRAINTS.
13283 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13284 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13285 use new logic to validate operand constraints against constraint
13287 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13289 * defaults.h: If none of the old-style constraint macros are
13290 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13291 old-style macros; and poison REG_CLASS_FROM_LETTER,
13292 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13294 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13295 * doc/md.texi: Document new constraint-definition mechanism and the
13296 C interface it provides. Remove references to old mechanism
13297 elsewhere in the document.
13298 (Machine Constraints): Use pathnames relative to gcc directory,
13299 i.e. config/ARCH/FILE. Change i386 section to refer to
13300 config/i386/predicates.md; update that section to match docstrings.
13301 * doc/tm.texi: Move all documentation of the old constraint-
13302 definition macros to their own section, clearly mark as obsolete.
13304 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13305 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13307 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13308 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13309 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13310 constraint strings.
13311 (splits and peepholes): Use satisfies_constraint_*.
13312 * config/i386/i386.c (memory_address_length)
13313 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13315 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13317 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13318 scalar operation to be put back into the loop.
13320 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13323 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13324 (extract_cie_info): Handle S flag in augmentation string.
13325 (execute_cfa_program): If context->signal_frame, execute also
13326 fs->pc == context->ra instructions.
13327 (uw_frame_state_for): If context->signal_frame, don't subtract one
13328 from context->ra to find FDE.
13329 (uw_update_context_1): Set context->signal_frame to
13331 (_Unwind_GetIPInfo): New function.
13332 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13333 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13335 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13336 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13337 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13338 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13339 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13340 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13341 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13342 x86_64_fallback_frame_state): Set fs->signal_frame.
13343 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13344 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13345 (frob_update_context): Likewise. Workaround missing S flag in
13346 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13347 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13348 Remove the psw_addr + 1 hack.
13350 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13352 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13353 with aggregates here.
13354 (find_func_aliases): Remove code for &<aggregate> from here.
13356 2006-02-26 Roger Sayle <roger@eyesopen.com>
13358 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13359 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13360 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13361 as (X & C) ne/eq 0.
13363 2006-02-26 Roger Sayle <roger@eyesopen.com>
13365 PR middle-end/19983
13366 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13368 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13370 * opts.c (decode_options): Do not handle flag_strength_reduce.
13371 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13372 and OPT_fstrength_reduce.
13373 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13374 flag_prefetch_loop_arrays for being nonzero.
13375 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13377 (fprefetch-loop-arrays-rtl): Removed.
13378 (flag_prefetch_loop_arrays): Do not specify the value.
13380 * doc/passes.texi: Update documentation of loop optimizer
13382 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13383 -frerun-loop-opt): Remove.
13385 2006-02-26 Richard Guenther <rguenther@suse.de>
13387 PR tree-optimization/26421
13388 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13389 in function calls that are ADDR_EXPRs as using the whole structure.
13391 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13393 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13394 * tree-pass.h (pass_loop_optimize): Remove.
13395 * passes.c (pass_loop_optimize): Never run it.
13396 * toplev.c (backend_init): Don't call init_loop.
13397 * opts.c (flag_loop_optimize_set): Remove.
13398 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13399 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13400 the old RTL loop optimizer when profiling enabled.
13401 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13402 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13403 pre-headers for the sake of the old RTL loop optimizer.
13404 * Makefile.in: Remove all references to loop.o.
13406 * doc/invoke.texi: Remove all references to -floop-optimize
13407 and -frerun-loop-opt.
13409 2006-02-26 Zack Weinberg <zackw@panix.com>
13411 * doc/md.texi (Machine Constraints): Refer to all files with paths
13412 relative to gcc directory (i.e. config/CPU/file). Add missing
13413 @table @code ... @end table to M32C subsection.
13415 2006-02-26 Roger Sayle <roger@eyesopen.com>
13417 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13419 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13421 2006-02-26 Roger Sayle <roger@eyesopen.com>
13422 James A. Morrison <phython@gcc.gnu.org>
13424 PR middle-end/21137
13425 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13426 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13427 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13428 signedness of the shift operation.
13430 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13432 PR tree-optimization/26359
13433 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13435 2006-02-25 Roger Sayle <roger@eyesopen.com>
13437 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13438 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13439 as X == 0, and some symmetry related transformations.
13440 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13442 2006-02-25 Roger Sayle <roger@eyesopen.com>
13444 PR middle-end/23673
13445 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13446 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13447 symmetry related transformations. Fold (X^C1) == C2 as
13450 2006-02-25 Juergen Weigert <jw@suse.de>
13451 Richard Guenther <rguenther@suse.de>
13453 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13455 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13457 * combine.c (gen_lowpart_or_truncate): Call
13458 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13460 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13462 * doc/invoke.texi: Move -fopenmp description to "Options for
13464 Remove reference to -lgomp.
13466 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13468 * doc/install.texi: Require GNU tar version 1.14.
13470 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13472 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13473 * doc/invoke.texi (C++ Dialect Options): Document
13474 -fno-use-cxa-get-exception-ptr.
13475 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13476 * configure: Regenerate.
13477 * c.opt (fuse-cxa-get-exception-ptr): New.
13478 * c-opts.c (c_common_handle_option): Handle
13479 OPT_fuse_cxa_get_exception_ptr.
13480 * c-common.c (flag_use_cxa_atexit): Update documentation.
13481 (flag_use_cxa_get_exception_ptr): New.
13482 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13483 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13485 (C_COMMON_OVERRIDE_OPTIONS): New.
13487 2006-02-24 Roger Sayle <roger@eyesopen.com>
13489 PR middle-end/24952
13490 * combine.c (try_combine): Explicitly check whether GET_CODE is
13491 a SET or a CLOBBER, instead on checking that it isn't a USE.
13493 2006-02-24 Roger Sayle <roger@eyesopen.com>
13495 * fold-const.c (fold_comparison): New subroutine of fold_binary
13496 containing transformations common to both the equality and
13497 ordering relational operators, factored out of fold_binary.
13498 (fold_binary): Separate out the equality operators (EQ_EXPR
13499 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13500 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13501 transformations common to both.
13502 (fold_div_compare): Fix latent bugs in the previously unreachable
13503 LT_EXPR and GE_EXPR cases.
13505 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13507 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13508 decl libname for clog to __clog on AIX.
13510 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13512 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13515 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13516 output traceback table for thunks. Localise rs6000_stack_info call.
13518 2006-02-23 Roger Sayle <roger@eyesopen.com>
13519 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13521 * gthr-posix.h (__gthrw): Fix typo in comment.
13523 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13525 * doc/cpp.texi (Character sets): Document that we do support
13526 input files to be in any character set.
13528 2006-02-23 Jeff Law <law@redhat.com>
13530 * tree.h (PHI_ARG_NONZERO): Remove.
13531 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13532 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13533 node to the new node.
13535 PR tree-optimization/26425
13536 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13537 min/max, then assume its varying.
13539 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13541 PR rtl-optimization/26316
13542 * rtlanal.c (enum may_trap_p_flags): New.
13543 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13544 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13545 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13546 (may_trap_after_code_motion_p): New function.
13547 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13548 (find_invariant_insn): Use may_trap_after_code_motion_p.
13549 * rtl.h (may_trap_after_code_motion_p): Declare.
13551 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13553 * emit-rtl.c (immed_double_const): Cleanup.
13555 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13557 Fix PR tree-optimization/26376
13558 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13561 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13563 PR middle-end/26412
13564 * gimplify.c (omp_add_variable): Guard variable size decl test with
13565 DECL_SIZE (decl) check.
13567 2006-02-23 Richard Guenther <rguenther@suse.de>
13569 PR middle-end/26439
13570 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13571 like aggregate types.
13573 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13575 * configure.ac: Add --with{,out}-long-double-128 configure option.
13576 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13577 * configure: Rebuilt.
13578 * config.in: Rebuilt.
13579 * doc/install.texi (Options specification): Document
13580 --with-long-double-128.
13582 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13583 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13584 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13585 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13587 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13589 * config/s390/s390.c (override_options): Handle
13590 TARGET_DEFAULT_LONG_DOUBLE_128.
13592 * config/alpha/alpha.c (override_options): Handle
13593 TARGET_DEFAULT_LONG_DOUBLE_128.
13595 * config/sparc/sparc.c (sparc_override_options): Handle
13596 TARGET_DEFAULT_LONG_DOUBLE_128.
13598 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13600 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13601 (real-install-headers-tar, real-install-headers-cpio)
13602 (real-install-headers-cp): New targets.
13604 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13606 * tree.h (variable_section): Delete.
13607 * varasm.c (variable_section): Delete.
13609 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13611 * install.texi: Add notes on install.texi2html.
13612 (Building in parallel): Do not use footnotes.
13614 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13617 * doc/install.texi (Configuration): Document --disable-libgomp.
13619 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13621 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13623 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13625 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13626 (vec_extractv2df_0_sse): New.
13628 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13630 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13631 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13632 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13633 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13634 to the result of the expression.
13635 (def_cfa_1): Adjust.
13636 (frame_pointer_cfa_offset): Rename to...
13637 (frame_pointer_fb_offset): ... this. Adjust all uses.
13638 (convert_cfa_to_loc_list): Rename to...
13639 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13640 Pass it on to build_cfa_loc.
13641 (compute_frame_pointer_to_cfa_displacement): Rename to...
13642 (compute_frame_pointer_to_fb_displacement): ... this. New
13643 offset parameter. Use it in computation.
13644 (gen_subprogram_die): Compute cfa_fb_offset with the new
13645 macro, and use it to compute the fb loc list and the
13648 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13650 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13651 replaced with register_operand.
13652 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13653 non-DREG is expensive.
13654 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13655 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13658 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13660 * doc/install.texi2html: Use set -e.
13662 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13664 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13665 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13666 * doc/invoke.texi (-fshared-data): Delete.
13667 * common.opt (fshared-data): Delete.
13668 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13669 (assemble_static_space): Remove #if 0 code.
13670 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13671 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13672 * config/cris/cris.h: Remove FIXME.
13674 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13676 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13679 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13681 PR middle-end/26379
13682 * combine.c (simplify_shift_const_1): Disable nested shifts
13683 optimization for vector shifts.
13685 2006-02-20 Roger Sayle <roger@eyesopen.com>
13687 PR tree-optimization/26361
13688 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13689 of unsigned integer types.
13691 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13693 * tree-chrec.c (eq_evolutions_p): New.
13694 * tree-chrec.h (eq_evolutions_p): Declared.
13695 * tree-data-ref.c: Fix formatting.
13696 (datadep_stats, dependence_stats): New.
13698 (print_direction_vector): New.
13699 (dump_data_dependence_relation): Use print_direction_vector.
13700 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13701 (compute_subscript_distance): Static.
13702 (initialize_data_dependence_relation): Static. Get the number
13703 of loops surrounding the references from the callers, and initialize
13704 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13705 base_object_differ_p analyzers.
13706 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13707 compute_overlap_steps_for_affine_1_2,
13708 analyze_subscript_affine_affine): Count the classified dependences.
13709 Print a message when a test failed.
13710 (can_use_analyze_subscript_affine_affine): New.
13711 (analyze_siv_subscript): Compute the data dependences on symbolic
13712 scevs that verify can_use_analyze_subscript_affine_affine.
13713 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13714 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13715 Handle symbolic scevs.
13716 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13718 (subscript_dependence_tester): Moved...
13719 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13720 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13721 DDR_SIZE_VECT instead of getting it in parameter.
13722 (subscript_dependence_tester): ... here. Take as a parameter
13723 loop_nest_depth. Call build_classic_dist_vector and
13724 build_classic_dir_vector.
13725 (compute_affine_dependence): Update subscript_dependence_tester
13726 parameters. Update datadep_stats counters. Call
13727 compute_subscript_distance.
13728 (compute_self_dependence): Save the dist and dir vectors. Call
13729 compute_subscript_distance.
13730 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13731 (compute_all_dependences): Reorder parameters as they were before
13732 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13733 compute_subscript_distance. Update the use of
13734 compute_affine_dependence and initialize_data_dependence_relation.
13735 (find_data_references_in_loop): Handle COMPONENT_REF.
13736 (compute_data_dependences_for_loop): Initialize dependence_stats.
13737 Don't call build_classic_dist_vector and build_classic_dir_vector.
13738 Update the parameters of initialize_data_dependence_relation and
13739 compute_all_dependences. Print the statistics from datadep_stats.
13740 (analyze_all_data_dependences): Static. Not used until the pass for
13741 checking the data dependences is contributed.
13742 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13743 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13744 (initialize_data_dependence_relation, compute_affine_dependence,
13745 analyze_all_data_dependences, compute_subscript_distance): Removed.
13746 (print_direction_vector): New.
13747 * lambda.h (gcd): ... here.
13748 (lambda_vector_gcd): Moved here from gcd_vector.
13749 * lambda-code.c (gcd, gcd_vector): Removed.
13750 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13751 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13753 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13755 * ipa-type-escape.c: Tidy some comments and white space.
13756 * tree-ssa-operands.c: Likewise.
13758 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13761 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13762 (dump_decl_name): Do not walk the decl tree chains.
13763 * tree-pass.h (TDF_CHAIN): Remove.
13765 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13767 * Makefile.in (C): Remove
13769 (.PHONY): Remove C and PROTO
13771 2006-02-20 Roger Sayle <roger@eyesopen.com>
13773 PR middle-end/26236
13774 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13775 deprecated CHAR_TYPE tree code.
13777 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13779 * configure.ac (target_list): Add install-info, dvi, html.
13780 * configure: Regenerate.
13782 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13783 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13784 treelang/Make-lang.in: Do not use double-colon rules.
13786 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13788 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13789 (TMT_USED_ALONE): New macro.
13790 * tree-pass.h (PROP_tmt_usage): New property.
13791 (TODO_update_tmt_usage): New todo.
13792 * tree-ssa-alias.c (updating_used_alone): New variable.
13793 (recalculate_used_alone): New function.
13794 (compute_may_aliases): Set updating_used_alone, call
13795 recalculate_used_alone.
13796 * tree-sra.c (pass_sra): Note that this pass destroys
13797 PROP_tmt_usage, and add TODO_update_tmt_usage.
13798 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13799 * tree-flow.h (updating_used_alone): Prototype.
13800 (recalculate_used_alone): Ditto.
13801 * passes.c (execute_todo): Add code to set updating_used_alone,
13802 and call recalculate.
13803 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13804 for clobber if used alone, and add assert to verify used_alone
13807 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13809 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13810 for non tls symbols added.
13811 (legitimize_address): Do nothing for PLUS expressions if one of the
13812 addends is a tls symbol reference.
13814 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13818 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13820 * Makefile.in (BOOTSTRAPPING): New.
13821 (quickstrap): New definition if BOOTSTRAPPING=yes.
13823 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13824 * configure.ac: Substitute all_selected_languages with the languages
13825 that were configured. For all the other variables except
13826 lang_specs_files, include all the languages in the tree.
13827 * configure: Regenerate.
13829 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13830 if there is one. Run the commands to run fixincludes in the same
13833 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13834 * doc/install.texi: Document exact conventions for searching target tools.
13835 Document --with-build-time-tools. Document toplevel bootstrap. Document
13836 something more about building an Ada cross-compiler. Don't list GNU Make
13837 requirements which affect all platforms.
13839 2006-02-19 Roger Sayle <roger@eyesopen.com>
13841 PR middle-end/19543
13842 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13843 only equivalent if the have both the same mode and precision.
13845 2006-02-20 Ben Elliston <bje@au.ibm.com>
13847 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13849 2006-02-19 Roger Sayle <roger@eyesopen.com>
13850 Steven Bosscher <stevenb.gcc@gmail.com>
13852 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13853 constant pool references to identify stack mode constants.
13854 * rtlanal.c (constant_pool_constant_p): New predicate to check
13855 whether operand is a floating point constant in the pool.
13856 * rtl.h (constant_pool_constant_p): Prototype here.
13857 * loop.c (scan_loop): Avoid hoisting constants from the constant
13858 pool on STACK_REGS targets.
13859 (load_mems): Likewise.
13860 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13861 loads into x87 registers expensive in terms of register pressure.
13863 2006-02-19 Roger Sayle <roger@eyesopen.com>
13865 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13866 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13868 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13870 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13871 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13873 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13875 * doc/invoke.texi: Document -fipa-pta.
13876 * common.opt: Add ipa-pta option.
13877 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13878 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13879 (do_ds_constraint): Ditto.
13880 (get_constraint_for): Only add to referenced_vars if
13881 referenced_vars exists.
13882 (insert_into_field_list): Rewrite to do this unsorted.
13883 (insert_into_field_list_sorted): Rename old insert_into_field_list
13885 (create_function_info_for): Use insert_into_field_list_sorted.
13886 (create_variable_info_for): Rewrite so it uses unsorted version,
13887 since the field list is sorted.
13888 (intra_create_variable_infos): Only add to referenced_vars if
13889 referenced_vars exists.
13890 (ipa_pta_execute): Init heapvars, and delete when done.
13891 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13893 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13895 * doc/install.texi: Add missing `@samp'.
13897 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13899 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13902 2006-02-18 Mark Wielaard <mark@klomp.org>
13904 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13905 who added new 4.1 features, bug fixes and integration support.
13907 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13910 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13911 MEM for ABI_V4 pic.
13913 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13915 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13916 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13917 (copy_insn_1): Likewise. Don't copy each field individually.
13919 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13921 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13922 * rtl.c (rtx_size): Rename variable to...
13923 (rtx_code_size): ...this.
13924 (rtx_size): New function.
13925 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13926 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13928 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13929 * rtl.h (rtx_code_size): New variable.
13930 (rtx_size): Change from a variable to a function.
13931 (RTX_SIZE): Rename to...
13932 (RTX_CODE_SIZE): ...this.
13935 PR tree-optimization/17106
13936 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13937 (Anchored Addresses): New section.
13938 * doc/invoke.texi (-fsection-anchors): Document.
13939 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13940 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13941 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13942 * hooks.c (hook_bool_mode_rtx_false): New function.
13943 * hooks.h (hook_bool_mode_rtx_false): Declare.
13944 * gengtype.c (create_optional_field): New function.
13945 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13946 SYMBOL_REF_IN_BLOCK_P is true.
13947 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13948 (min_anchor_offset, max_anchor_offset): Likewise.
13949 (use_anchors_for_symbol_p): New hook.
13950 * toplev.c (compile_file): Call output_object_blocks.
13951 (target_supports_section_anchors_p): New function.
13952 (process_options): Check that -fsection-anchors is only used on
13953 targets that support it and when -funit-at-a-time is in effect.
13954 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13955 if the decl doesn't have one.
13956 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13957 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13958 of force_const_mem through use_anchored_address.
13959 (expand_expr_constant): New function.
13960 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13961 calling expand_expr for INDIRECT_REF.
13962 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13963 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13964 * expr.h (use_anchored_address): Declare.
13965 * loop-unroll.c: Don't declare rtx vectors here.
13966 * explow.c: Include output.h.
13967 (validize_mem): Call use_anchored_address.
13968 (use_anchored_address): New function.
13969 * common.opt (-fsection-anchors): New switch.
13970 * varasm.c (object_block_htab, anchor_labelno): New variables.
13971 (hash_section, object_block_entry_eq, object_block_entry_hash)
13972 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13973 (use_blocks_for_decl_p, change_symbol_section): New functions.
13974 (get_variable_section): New function, split out from assemble_variable.
13975 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13976 use_blocks_for_decl_p say so. Use change_symbol_section if the
13977 symbol has already been created.
13978 (assemble_variable_contents): New function, split out from...
13979 (assemble_variable): ...here. Don't output any code for
13980 block symbols; just pass them to place_block_symbol.
13981 Use get_variable_section and assemble_variable_contents.
13982 (get_constant_alignment, get_constant_section, get_constant_size): New
13983 functions, split from output_constant_def_contents.
13984 (build_constant_desc): Create a block symbol if use_object_blocks_p
13985 says so. Or into SYMBOL_REF_FLAGS.
13986 (assemble_constant_contents): New function, split from...
13987 (output_constant_def_contents): ...here. Don't output any code
13988 for block symbols; just pass them to place_section_symbol.
13989 Use get_constant_section and get_constant_alignment.
13990 (force_const_mem): Create a block symbol if use_object_blocks_p and
13991 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13992 (output_constant_pool_1): Add an explicit alignment argument.
13993 Don't switch sections here.
13994 (output_constant_pool): Adjust call to output_constant_pool_1.
13995 Switch sections here instead. Don't output anything for block symbols;
13996 just pass them to place_block_symbol.
13997 (init_varasm_once): Initialize object_block_htab.
13998 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13999 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14000 (place_block_symbol, get_section_anchor, output_object_block)
14001 (output_object_block_htab, output_object_blocks): New functions.
14002 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14003 (TARGET_ASM_OUT): Include it.
14004 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14005 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14006 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14007 (TARGET_INITIALIZER): Include them.
14008 * rtl.c (rtl_check_failed_block_symbol): New function.
14009 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14010 (block_symbol, object_block): New structures.
14011 (rtx_def): Add a block_symbol field to the union.
14012 (BLOCK_SYMBOL_CHECK): New macro.
14013 (rtl_check_failed_block_symbol): Declare.
14014 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14015 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14016 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14017 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14018 * output.h (output_section_symbols): Declare.
14019 (object_block): Name structure.
14020 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14021 (default_use_anchors_for_symbol_p): Declare.
14022 * Makefile.in (RTL_BASE_H): Add vec.h.
14023 (explow.o): Depend on output.h.
14024 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14025 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14026 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14027 (rs6000_use_blocks_for_constant_p): New function.
14029 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14031 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14033 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14036 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14039 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14041 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14045 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14047 PR middle-end/26334
14048 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14049 instead of DECL_REGISTER.
14051 2006-02-18 Olivier Hainque <hainque@adacore.com>
14054 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14056 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14059 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14060 * opth-gen.awk: Handle Var and InverseMask together.
14061 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14062 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14063 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14064 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14066 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14067 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14068 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14069 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14070 LINUX_DYNAMIC_LINKER): Define.
14071 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14072 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14074 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14075 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14076 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14077 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14078 (TARGET_C99_FUNCTIONS): Don't define.
14079 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14080 GLIBC_DYNAMIC_LINKER.
14081 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14082 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14083 GLIBC_DYNAMIC_LINKER64): Define.
14084 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14085 LINUX_DYNAMIC_LINKER64.
14086 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14087 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14088 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14089 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14090 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14091 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14092 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14093 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14094 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14095 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14096 and LINUX_DYNAMIC_LINKER32.
14097 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14098 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14099 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14100 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14101 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14103 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14104 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14105 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14106 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14107 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14108 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14109 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14110 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14111 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14112 LINUX_DYNAMIC_LINKER): Define.
14113 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14114 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14115 GLIBC_DYNAMIC_LINKER64): Define.
14116 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14117 LINUX_DYNAMIC_LINKER64.
14118 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14119 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14120 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14121 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14122 LINUX_DYNAMIC_LINKER): Define.
14123 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14124 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14125 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14126 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14127 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14128 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14129 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14130 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14131 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14132 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14133 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14134 * doc/invoke.texi (-muclibc): Remove caveat about supported
14137 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14139 * doc/cpp.texi (__TIMESTAMP__): Document.
14141 2006-02-17 Roger Sayle <roger@eyesopen.com>
14143 PR middle-end/25600
14144 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14145 C is one less than the width of X (and related transformations).
14146 * simplify-rtx.c (simplify_unary_operation_1): Transform
14147 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14148 depending on STORE_FLAG_VALUE, were C is one less then the
14151 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14153 Fix PR tree-optimization/26341
14154 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14155 about NAME_MEMORY_TAG's.
14157 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14160 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14161 with hardware float support, and software float support. Add fcpy
14162 alternative to hardware patterns. Add alternatives to copy between
14163 general and floating-point registers to the 32-bit pattern.
14164 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14165 secondary reload to load a QI or HI mode constant into a floating
14167 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14168 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14170 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14173 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14175 (load_macho_picbase_di): Likewise.
14177 2006-02-16 Jeff Law <law@redhat.com>
14179 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14180 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14181 (ssa_name_nonzero_p): Likewise.
14182 (get_value_range): Return NULL if VRP is not running.
14183 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14184 VRP routines do not discover a range.
14185 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14186 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14187 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14188 (tree_expr_nonnegative_p): Similarly.
14189 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14190 (restore_nonzero_vars_to_original_value): Remove.
14191 (unsafe_associative_fp_binop): Remove.
14192 (tree_ssa_dominator_optimize): Remove initialization and
14193 finalization of nonzero_vars and nonzero_vars_stack.
14194 (dom_opt_initialize_block): No longer push marker on
14195 nonzero_vars_stack.
14196 (dom_opt_finalize_block): No longer call
14197 restore_nonzero_vars_to_original_value.
14198 (record_equivalences_from_phis): No longer look for
14199 nonzero PHI arguments.
14200 (cprop_into_successor_phis): No longer propagate nonzero
14201 property into PHI arguments. Lose unused argument. Caller
14203 (record_equivalences_from_stmt): No longer record nonzero
14204 values for SSA_NAMEs.
14205 (lookup_avail_expr): No longer use nonzero_vars.
14207 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14208 for sizetype when sizetype is unsigned.
14210 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14212 PR rtl-optimization/25603
14213 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14214 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14215 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14216 with new meaning of SETS.
14218 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14223 * config/linux.opt: New file.
14224 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14225 LINUX_DYNAMIC_LINKER): Define.
14226 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14227 * config.gcc (*-*-linux*): Define extra_options.
14228 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14229 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14230 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14231 GLIBC_DYNAMIC_LINKER.
14232 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14233 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14234 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14235 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14236 * doc/invoke.texi (GNU/Linux Options): New section.
14238 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14240 * config/sparc/sparc.md (setjmp): Rewrite.
14241 (setjmp_32): Delete.
14242 (setjmp_64): Likewise.
14244 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14246 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14249 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14251 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14254 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14256 PR rtl-optimization/26296
14257 * Makefile.in (loop-invariant.c): Add except.h dependency.
14258 * loop-invariant.c: Include except.h.
14259 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14261 2005-02-16 Paul Brook <paul@codesourcery.com>
14263 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14266 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14268 PR rtl-optimization/25636
14269 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14270 when deciding whether an insn is an initializing insn.
14272 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14274 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14275 (tree_code_size): Ditto.
14276 * tree.h (struct tree_memory_tag): Remove parent_var.
14277 (struct tree_struct_field_tag): New.
14280 (union tree_node): Add sft member.
14281 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14283 (create_sft): Add size and offset argument, set SFT_OFFSET and
14285 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14286 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14287 * tree-flow-inline.h (get_subvar_at): Update for
14288 SFT_OFFSET/SFT_SIZE.
14289 (var_can_have_subvars): Ditto.
14290 (overlap_subvar): Ditto.
14291 * print-tree.c (print_node): Print out interesting things for
14293 * tree-flow.h (struct subvar): Remove offset and size members.
14294 * tree-ssa-operands.c (get_expr_operands): Update for
14295 get_indirect_ref_operands changes.
14296 (get_indirect_ref_operands): Call add_virtual_operand instead of
14297 add_stmt_operand. Only recurse on base var if requested.
14298 (access_can_touch_variable): New function.
14299 (add_stmt_operand): Split virtual operand handling into ...
14300 (add_virtual_operand): Here. Add offset, size, and for_clobber
14301 arguments. Prune alias sets.
14302 (add_call_clobber_ops): Call add_virtual_operand.
14304 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14306 PR middle-end/26300
14307 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14309 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14310 than TREE_CODE as index into omp_clause_num_ops array.
14312 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14314 PR rtl-optimization/26184
14315 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14317 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14318 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14319 must_precede, must_follow and tobe_scheduled.
14322 * opts.c (common_handle_option): Free new_option pointer.
14323 * df-core.c (df_analyze): Free postorder pointer.
14325 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14327 * Makefile.in: Fix the examples about the use of stamps
14329 2006-02-15 Michael Matz <matz@suse.de>
14331 PR middle-end/22275
14333 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14334 influenced by maximum_field_alignment or DECL_PACKED.
14335 (update_alignment_for_field): Ditto.
14336 (place_field): Ditto.
14337 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14340 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14342 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14343 (debug_flow_info): Pass it.
14344 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14345 * bb-reorder.c (reorder_basic_blocks): Likewise.
14346 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14347 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14348 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14349 * gcse.c (gcse_main, bypass_jumps): Likewise.
14350 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14351 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14352 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14353 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14354 * rtl.h (dump_flow_info): Adjust prototype.
14355 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14356 * var-tracking.c (variable_tracking_main): Likewise.
14357 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14358 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14361 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14363 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14366 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14368 PR tree-optimization/26209
14369 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14370 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14372 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14374 2006-02-14 Roger Sayle <roger@eyesopen.com>
14376 PR middle-end/23670
14377 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14378 (X,Y) and the corresponding symmetry related transformations.
14379 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14380 (X,Y) and its symmetry related transformations.
14382 2006-02-14 Roger Sayle <roger@eyesopen.com>
14384 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14387 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14389 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14391 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14394 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14395 support COMDAT group.
14396 * configure: Regenerate.
14398 2006-02-14 Roger Sayle <roger@eyesopen.com>
14400 PR middle-end/26279
14401 PR middle-end/26280
14402 PR middle-end/26283
14403 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14405 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14407 Fix PR tree-optimization/26260
14409 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14411 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14412 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14413 * tree-ssa-structalias.c (create_variable_info_for): Use
14414 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14416 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14418 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14420 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14421 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14422 of the ending condition.
14423 * tree-ssa-loop-manip.c: Include params.h.
14424 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14425 tree_unroll_loop): New functions.
14426 * tree-pass.h (pass_loop_prefetch): Declare.
14427 * loop.c (rest_of_handle_loop_optimize): Test for
14428 -fprefetch-loop-arrays-rtl.
14429 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14430 * timevar.def (TV_TREE_PREFETCH): New timevar.
14431 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14432 pass_loop_prefetch): New.
14433 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14434 (cleanup_tree_cfg_loop): Call scev_reset.
14435 * common.opt (fprefetch-loop-arrays-rtl): Add.
14436 * tree-ssa-loop-prefetch.c: New file.
14437 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14438 (new_temp_expr_table): Initialize expr_vars.
14439 (free_temp_expr_table): Cleanup expr_vars.
14440 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14441 expressions from being merged into one.
14442 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14443 (struct tree_niter_desc): Add control, bound and cmp fields.
14444 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14446 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14447 (tree-cfgcleanup.o): Add SCEV_H dependency.
14448 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14449 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14451 2006-02-14 Richard Guenther <rguenther@suse.de>
14453 PR tree-optimization/26258
14454 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14455 in PHI argument processing.
14457 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14459 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14460 new expression in the requested machine mode.
14462 2006-02-13 Roger Sayle <roger@eyesopen.com>
14464 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14465 directly, instead let do_compare_rtx_and_jump handle this for us.
14466 * expr.c (expand_expr_real_1): Likewise.
14467 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14468 before do_jump_by_parts_greater.
14469 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14470 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14472 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14474 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14476 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14478 PR rtl-optimization/26235
14479 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14480 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14483 2006-02-13 Jeff Law <law@redhat.com>
14485 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14488 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14490 PR middle-end/26092
14491 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14492 twice if decl is a builtin. When trying again, call get_callee_fndecl
14493 first to verify it is still a builtin.
14495 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14497 * dwarf2out.c (base_type_die): Don't add AT_name here.
14498 (subrange_type_die): Don't add AT_name here.
14499 (modified_type_die): Rearrange code flow. Do add AT_name here.
14501 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14503 PR rtl-optimization/26247
14504 PR rtl-optimization/26248
14505 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14507 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14509 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14510 * config/fixtfdi.c: Likewise.
14511 * config/fixunstfdi.c: Likewise.
14512 * config/floatditf.c: Likewise.
14514 2006-02-13 Roger Sayle <roger@eyesopen.com>
14516 PR middle-end/24427
14517 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14518 into (X,C2) if C1 is a subset of the bits of C2. Transform
14519 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14521 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14523 2006-02-13 Josh Conner <jconner@apple.com>
14526 * varasm.c (function_section): Check for section name before
14527 calling select_section on targets that define
14528 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14529 unlikely_text_section instead of hot_function_section if
14530 first_function_block_is_cold.
14532 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14534 PR middle-end/25335
14535 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14537 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14539 PR rtl-optimization/26222
14540 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14541 after tree->rtl expansion.
14542 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14543 before passing it to emit_move_insn.
14545 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14547 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14549 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14550 Clarify documentation.
14551 * c-common.h (warn_write_strings): Remove.
14552 * c-common.c (warn_write_strings): Likewise.
14553 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14556 2006-02-12 Roger Sayle <roger@eyesopen.com>
14558 PR middle-end/25724
14559 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14560 (do_jump_parts_zero_rtx): New function renamed from
14561 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14562 (do_jump_parts_equality_rtx): New function split out from
14563 do_jump_parts_equality. Old implementation renamed as above.
14564 Call do_jump_parts_zero_rtx if either operand is zero.
14565 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14566 do all of the heavy lifting.
14567 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14568 calling either do_jump_by_parts_greater_rtx or
14569 do_jump_by_parts_equality_rtx.
14570 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14571 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14572 moved to do_compare_rtx_and_jump, call it directly.
14573 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14574 mode argument. Call do_compare_rtx_and_jump.
14575 (emit_case_nodes): Update calls to do_jump_if_equal.
14577 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14579 PR rtl-optimization/26225
14580 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14582 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14584 PR rtl-optimization/26232
14585 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14587 2006-02-11 Jason Merrill <jason@redhat.com>
14590 * tree-inline.c (declare_return_variable): Just don't use the
14591 modify target if it's a gimple complex reg and the return slot
14594 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14596 * doc/contrib.texi: Update my entry.
14598 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14600 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14602 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14604 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14607 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14609 * doc/invoke.texi (-floop-optimize2): Removed.
14610 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14611 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14612 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14613 * common.opt (floop-optimize2): Removed.
14614 (fmove-loop-invariants): Enabled by default.
14616 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14618 * tree-if-conv.c (combine_blocks): Free the result of
14619 get_loop_exit_edges.
14621 2006-02-10 Jeff Law <law@redhat.com>
14623 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14625 PR tree-optimization/26213
14626 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14627 loop trying to follow SSA_NAME_VALUE chains.
14629 2006-02-10 Richard Guenther <rguenther@suse.de>
14631 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14632 deal with structures that end in implicitly variable sized arrays.
14634 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14636 PR rtl-optimization/24762
14637 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14640 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14642 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14643 (struct ivopts_data): Add regs_used field.
14644 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14645 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14646 instead of loop_data->regs_used;
14647 (free_loop_data): Do not free aux fields for loops.
14648 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14649 and tree_ssa_iv_optimize_finalize.
14651 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14653 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14655 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14658 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14659 computing the effective result type.
14661 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14663 PR inline-asm/16194
14664 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14665 (tree_overlaps_hard_reg_set): Declare.
14666 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14667 type and signature to match function type expected by walk_tree.
14668 (tree_overlaps_hard_reg_set): New function.
14669 (decl_conflicts_with_clobbers_p): Rename to:
14670 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14671 Use tree_overlaps_hard_reg_set. Changed caller.
14672 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14673 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14674 * cris.c (cris_md_asm_clobbers): Likewise.
14676 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14678 * reload1.c (emit_input_reload_insns): Delete code that tries to
14679 inherit using find_equiv_reg.
14681 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14683 * c-common.h (flag_const_strings): Don't declare.
14684 * c-common.c (flag_const_strings): Remove.
14685 * c.opt (fconst_strings): Remove.
14686 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14687 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14688 (c_common_init_options): Don't set flag_const_strings.
14689 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14691 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14693 * arm.md (tlobits_cbranch): New pattern.
14694 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14695 testing a single bit.
14697 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14700 * tree-ssa-pre.c (create_component_ref_by_pieces):
14701 Handle RETURN_DECL like VAR_DECL.
14703 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14705 PR middle-end/26134
14706 * fold-const.c (fold_indirect_ref_1): Fold
14707 "*(foo *)&complexfoo" to "__real__ complexfoo"
14708 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14710 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14712 * tree-flow-inline.h (var_can_have_subvars):
14713 Volatile variables should not have subvariables.
14715 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14718 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14719 multiplying unsigned values.
14722 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14724 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14726 2006-02-08 Jason Merrill <jason@redhat.com>
14729 * tree.def: Elaborate on difference from MODIFY_EXPR.
14730 * doc/c-tree.texi (INIT_EXPR): Likewise.
14731 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14732 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14733 (gimplify_target_expr): Likewise.
14734 (gimplify_cond_expr): Remove target handling.
14735 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14736 (gimplify_expr): Clobber it here.
14737 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14738 Do return slot optimization if we have an INIT_EXPR.
14741 * tree-inline.c (declare_return_variable): Also clear
14742 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14745 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14747 PR middle-end/22439
14748 * gimplify.c (gimplify_one_sizepos): Fix typo.
14750 2006-02-08 Jeff Law <law@redhat.com>
14752 PR tree-optimization/21417
14753 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14754 across a backedge if the control statement at the end of the
14755 block is data dependent on other statements in the same block.
14756 (record_temporary_equivalences_from_stmts): Remove over-conservative
14757 test for threading across backedges.
14759 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14760 control statement, handle all three special cases in the same
14761 manner as they all have the same desired solution. No longer
14762 special case edge flag updating when the post dominator is
14765 2006-02-08 Roger Sayle <roger@eyesopen.com>
14767 * tree.def (CHAR_TYPE): Remove.
14768 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14769 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14770 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14771 (gen_string_type_die): Delete unreachable function.
14773 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14774 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14775 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14776 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14777 * builtins.c (type_to_class): Likewise.
14778 * fold-const.c (fold_convert, build_range_check,
14779 merge_ranges): Likewise.
14780 * expr.c (count_type_elements): Likewise.
14781 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14782 * stor-layout.c (layout_type): Likewise.
14783 * ipa-type-escape.c (type_to_consider): Likewise.
14784 * gimplify.c (omp_firstprivatize_type_sizes,
14785 gimplify_type_sizes): Likewise.
14786 * explow.c (promote_mode): Likewise.
14787 * tree-sra.c (is_sra_scalar_type): Likewise.
14788 * varasm.c (output_constant): Likewise.
14789 * tree-inline.c (remap_type_1): Likewise.
14790 * convert.c (convert_to_pointer, convert_to_real,
14791 convert_to_integer, convert_to_complex): Likewise.
14793 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14795 * df-scan.c (df_def_record_1): A set destination may
14796 be a parallel regardless of mode.
14798 2006-02-08 Roger Sayle <roger@eyesopen.com>
14801 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14802 * config/mips/_tilib.c: Remove.
14803 * config/fixtfdi.c: New libgcc source file.
14804 * config/fixunstfdi.c: New source file.
14805 * config/floatditf.c: New source file.
14806 * config/floatunditf.c: New souce file.
14807 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14808 files above instead of config/mips/_tilib.c.
14809 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14811 2006-02-08 Jeff Law <law@redhat.com>
14813 PR tree-optimization/26169
14814 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14817 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14819 * df.h (DF_REG_SIZE): Return the length of the initialized
14822 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14824 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14825 __muldf3): Return a correctly signed zero.
14827 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14829 * passes.c (register_one_dump_file): Accept the current properties
14830 instead of pass number. Adjust call to dump_register. Remove
14832 (register_dump_files): Now a wrapper around...
14833 (register_dump_files_1): ... this one. Do not modify the pass
14835 (next_pass_1): Cosmetic fix.
14836 (execute_todo): Keep second parameter only. Use curr_properties
14837 instead of fetching it from the pass structure. Check and set
14839 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14840 instead of fetching it from the pass structure. Fix calls to
14841 execute_todo. Update curr_properties and initialize .vcg RTL dump
14842 after running the pass. Reset last_verified.
14843 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14845 (FIRST_AUTO_NUMBERED_DUMP): New.
14846 (dump_register): Remove "num" parameter, assign it within the
14848 (get_dump_file_name): Modify template for dumps.
14849 * tree-dump.h (dump_register): Adjust prototype.
14850 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14851 (PROP_trees): Add PROP_gimple_lomp.
14852 (TODO_set_props): New.
14853 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14854 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14855 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14857 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14859 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14860 (sparc64-*-linux*): Likewise.
14861 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14862 * config/sparc/t-linux: New file.
14863 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14864 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14865 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14866 -m32 -mlong-double-128.
14868 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14869 * config/alpha/t-linux: New file.
14870 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14872 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14873 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14874 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14875 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14876 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14877 (CPP_ARCH32_SPEC): Remove.
14879 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14881 PR tree-optimization/26145
14882 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14885 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14888 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14889 >= 240000 when generating code for SOM runtime.
14890 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14891 to $$dyncall when generating code for SOM runtime..
14893 2006-02-07 Dirk Mueller <dmueller@suse.com>
14896 * doc/invoke.texi (-Wsequence-point): Update documentation
14897 that -Wsequence-point is implemented for C++ as well.
14899 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14901 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14902 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14903 (LIB_SPEC): Likewise.
14904 * doc/invoke.texi (SPARC options): Document -pthread.
14906 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14908 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14911 2006-02-07 Roger Sayle <roger@eyesopen.com>
14913 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14914 Correct comment describing BOOLEAN_TYPE.
14916 2006-02-07 Dirk Mueller <dmueller@suse.com>
14918 * c.opt: C++ frontend supports -Wdiv-by-zero.
14919 * c-opts.c (c_common_handle_option): Remove dead case.
14921 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14923 * configure.ac (TLS assembler check): Do not enable TLS by
14924 default on SPARC/Solaris before version 10.
14925 * configure: Regenerate.
14927 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14929 * doc/invoke.texi (xl-compat): Document conversion and support
14932 2006-02-07 Jeff Law <law@redhat.com>
14934 * tree-vrp.c (find_conditional_asserts): Update comments.
14935 (simplify_stmt_for_jump_threading): New.
14936 (identify_jump_threads, finalize_jump_threads): New.
14937 (vrp_finalize): Call identify_jump_threads.
14938 (execute_vrp): Call finalize_jump_threads.
14939 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14940 (vrp_element, vrp_data, vrp_element_p): Remove.
14941 (vrp_hash_elt, vrp_variables_stack): Remove.
14942 (vrp_hash, vrp_eq, record_range): Remove.
14943 (simplify_cond_and_lookup_avail_expr): Remove.
14944 (extract_range_from_cond): Remove.
14945 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14946 (simplify_stmt_for_jump_threading): New.
14947 (dom_thread_across_edge): New wrapper.
14948 (tree_ssa_dominator_optimize): No longer initialize or
14949 finalize any of the VRP datastructures. Remove iteration
14950 step and simplify as a result of removal of iteration step.
14951 (pass_dominator): Perform a cfg cleanup after DOM.
14952 (dom_opt_finalize_block): Use the new common routines
14953 for threading jumps. Simplify stack management slightly.
14954 No longer need to unwind VRP state.
14955 (record_equivalences_from_incoming_edge): No longer record
14957 (eliminate_redundant_computations): No longer call
14958 simplify_cond_and_lookup_avail_expr.
14959 * tree-flow.h (potentially_threadable_block): Prototype.
14960 (thread_across_edge): Likewise.
14961 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14962 (tree-ssa-threadedge.o): Add dependencies.
14963 * tree-ssa-threadedge.c: New file.
14964 * passes.c (init_optimization_passes): Merge PHIs before
14965 calling VRP. Run VRP again late in the SSA optimization pipeline.
14967 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14969 * df-core.c (df_set_blocks): Do not dereference function pointers.
14970 (df_finish1): Likewise.
14971 (df_hybrid_search_forward): Likewise.
14972 (df_hybrid_search_backward): Likewise.
14973 (df_iterative_dataflow): Likewise.
14974 (df_analyze_problem): Likewise.
14975 (df_compact_blocks): Likewise.
14976 (df_dump): Likewise.
14977 * df-scan.c (df_rescan_blocks): Likewise.
14978 (df_record_entry_block_defs): Likewise.
14980 * genconditions.c (write_conditions): Guard the definition of
14981 'insn_conditions' with the check on GCC version.
14982 (write_writer): Guard the traversal 'insn_conditions' with
14983 the check on GCC version.
14985 2006-02-07 Richard Guenther <rguenther@suse.de>
14989 2006-01-30 Richard Guenther <rguenther@suse.de>
14991 * gimplify.c (gimplify_target_expr): Handle easy cases
14992 without creating a temporary.
14994 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14996 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14997 use of float in probability computations. Use edge probabilities
14998 in place of statically computed probabilities.
14999 (min_spec_prob): New static variable.
15000 (schedule_insns): Initialize it.
15001 (GET_SRC_PROB): Removed.
15002 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15004 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15007 * config/ia64/unwind-ia64.c: Revert last change.
15008 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15009 (INCOMING_FRAME_SP_OFFSET): Define.
15011 2006-02-06 Roger Sayle <roger@eyesopen.com>
15013 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15015 2006-02-07 Ben Elliston <bje@au.ibm.com>
15017 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15018 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15019 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15020 (ix86_return_in_memory): Handle TDmode.
15021 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15022 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15024 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15026 * reorg.c (dbr_schedule): Use dump_file instead of file.
15028 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15031 * config/ia64/predicates.md (extr_len_operand): New predicate.
15032 * config/ia64/ia64.md (extv): Tighten constraints.
15034 (*tbit_and_2): Ditto.
15035 (*tbit_and_3): Ditto.
15036 (*tbit_or_2): Ditto.
15037 (*tbit_or_3): Ditto.
15038 (*bit_zero): Ditto.
15041 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15044 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15046 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15048 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15049 loop_optimizer_init and loop_optimizer_finalize
15050 * tree-ssa-sink.c (execute_sink_code): Ditto.
15051 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15052 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15053 tree_ssa_loop_done): Ditto.
15054 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15055 * sched-ebb.c: Include output.h.
15056 (schedule_ebbs): Do not use dump argument.
15057 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15058 * loop.c (loop_dump_stream): Removed.
15059 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15061 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15062 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15063 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15064 loop_iterations, strength_reduce, record_biv, record_giv,
15065 final_giv_value, check_final_value, check_ext_dependent_givs,
15066 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15067 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15068 dump_file instead of loop_dump_stream.
15069 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15070 argument dump_file.
15071 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15073 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15074 * haifa-sched.c: Include output.h
15075 (schedule_insns, sched_init): Do not use dump argument.
15076 * mode-switching.c (optimize_mode_switching): Ditto.
15077 * modulo-sched.c (stats_file): Removed.
15078 (print_node_sched_params): Do not call argument dump_file.
15079 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15080 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15082 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15084 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15085 rtl_loop_init, rtl_loop_done): Ditto.
15086 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15087 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15089 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15090 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15091 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15092 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15093 * emit-rtl.c (renumber_insns): Ditto.
15094 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15095 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15096 * regclass.c (regclass): Ditto.
15097 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15098 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15099 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15100 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15102 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15103 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15105 * gcse.c (gcse_file, debug_stderr): Removed.
15106 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15107 rest_of_handle_gcse): Do not use dump argument.
15108 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15109 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15110 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15111 compute_code_hoist_vbeinout, compute_code_hoist_data,
15112 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15113 compute_store_table, build_store_vectors, insert_insn_start_bb,
15114 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15115 store_motion): Use dump_file instead of gcse_file.
15116 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15117 * profile.c (profile_dump_file): Removed.
15118 (branch_prob): Use dump_file instead of profile_dump_file.
15119 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15121 * tree-ssa-copy.c (dump_copy_of): Ditto.
15122 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15123 dump file to life_analysis.
15124 * bt-load.c (branch_target_load_optimize): Ditto.
15125 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15127 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15128 regclass, dbr_schedule): Declaration changed.
15129 * sched-int.h (sched_init): Declaration changed.
15130 * tree-profile.c (tree_profile_dump_file): Removed.
15131 (tree_profile_hooks): Removed profile_dump_file hook.
15132 * rtl-profile (rtl_profile_dump_file): Removed.
15133 (rtl_profile_hooks): emoved profile_dump_file hook.
15134 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15136 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15137 * tree-cfg.c (build_tree_cfg): Ditto.
15138 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15139 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15140 Declaration changed.
15141 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15142 life_analysis and schedule_insns.
15143 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15145 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15147 * config/mips/mips.c (mips_reorg): Ditto.
15148 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15151 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15153 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15154 (s390_mangle_fundamental_type): New.
15155 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15158 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15159 (alpha_mangle_fundamental_type): New.
15160 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15163 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15165 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15167 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15168 (sparc_mangle_fundamental_type): New.
15170 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15172 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15173 (s390x-*-linux*): Likewise.
15174 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15175 * config/s390/t-linux: New file.
15177 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15179 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15180 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15182 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15184 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15185 (ANTIC_SAFE_LOADS): New macro.
15186 (find_or_generate_expression): Add prototype.
15187 (set_contains_value): Allow null set for sake of not always having
15188 to allocate ANTIC_SAFE_LOADS.
15189 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15190 Allow COMPONENT_REF too.
15191 (valid_in_set): Allow COMPONENT_REF.
15192 Check ANTIC_SAFE_LOADS too.
15193 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15194 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15196 (can_PRE_operation): Add COMPONENT_REF.
15197 (create_component_ref_by_pieces): New function.
15198 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15199 (insert_aux): Move AGGREGATE_TYPE_P check here.
15200 (compute_avail): Set bb local stmt uids.
15201 (pass_pre): Use TODO_update_ssa_only_virtuals.
15203 2006-02-06 Ben Elliston <bje@au.ibm.com>
15205 * configure.ac: Unconditionally disable decimal float by default.
15206 * configure: Regenerate.
15208 2006-02-06 Ben Elliston <bje@au.ibm.com>
15210 * read-rtl.c (read_name): Terminate reading on EOF.
15212 2006-02-06 Ben Elliston <bje@au.ibm.com>
15214 * dfp.c (decimal_real_arithmetic): Change second argument type
15215 from int to enum tree_code. Do not always return true, but now
15216 return result of any call to decimal_do helper functions.
15217 * dfp.h (decimal_real_arithmetic): Update prototype.
15219 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15221 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15223 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15226 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15229 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15231 * tree-vrp.c (cfg_loops): Removed.
15232 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15233 Use current_loops instead of cfg_loops. Pass flags to
15234 loop_optimizer_init.
15235 * cfgloopmanip.c (fix_loop_structure): Update only available
15237 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15238 loop_optimizer_init.
15239 * modulo-sched.c (build_loops_structure): Removed.
15240 (sms_schedule): Use loop_optimizer_init.
15241 * loop-init.c (loop_optimizer_init): Use flags to determine
15242 which properties of loops to prepare.
15243 (rtl_loop_init): Pass flags to loop_optimizer_init.
15244 * tree-ssa-sink.c (execute_sink_code): Ditto.
15245 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15246 * tree-ssa-pre.c (init_pre): Ditto.
15247 * cfgloop.h (LOOPS_NORMAL): New.
15248 (loop_optimizer_init): Declaration changed.
15250 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15252 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15253 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15255 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15257 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15259 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15260 * pa/t-pa64: Delete quadlib.c rule.
15261 * pa/x-ada: Revert last change.
15262 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15264 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15266 PR rtl-optimization/26087
15267 * rtlanal.c (canonicalize_condition): Do not cross basic block
15270 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15273 * config/ia64/ia64.c: Include debug.h.
15274 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15275 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15276 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15277 (process_epilogue, process_set, process_for_unwind_directive):
15278 Output unwind info only if requested. Add CFA info if requested.
15279 Add new arguments as needed. Adjust callers.
15280 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15282 (DWARF2_FRAME_INFO): Define to zero.
15283 * config/ia64/unwind-ia64.c: Remove code that compensated for
15284 the CFA offset error fixed above.
15285 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15286 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15287 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15288 -funwind-tables and -fexceptions to enable frame info.
15289 (dwarf2out_frame_init): Define initial CFA even if
15290 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15291 DWARF2_UNWIND_INFO is nonzero, not just defined.
15292 (dwarf2out_frame_finish): Output non-EH call frame info only
15293 if DWARF2_FRAME_INFO is nonzero.
15294 (convert_cfa_to_loc_list,
15295 compute_frame_pointer_to_cfa_displacement): Define even if
15296 unwind info is not supported.
15297 (gen_subprogram_die): Use the above unconditionally. Remove
15298 legacy alternate code.
15299 * toplev.c (compile_file): Compile in call to
15300 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15301 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15303 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15304 Jakub Jelinek <jakub@redhat.com>
15306 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15307 IBM extended float format long double as "g" on powerpc*-linux.
15309 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15312 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15313 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15315 2006-02-03 Jason Merrill <jason@redhat.com>
15318 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15320 PR middle-end/25977
15321 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15322 on the return slot if it's an NRV.
15324 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15326 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15327 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15328 rewrite_use): Do not handle USE_OUTER.
15329 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15330 add_iv_outer_candidates, may_replace_final_value,
15331 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15332 (find_interesting_uses_op): Functionality of
15333 find_interesting_uses_outer_or_nonlin moved here.
15334 (find_interesting_uses_outside): Use find_interesting_uses_op.
15336 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15339 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15341 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15342 Ulrich Weigand <uweigand@de.ibm.com>
15345 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15346 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15347 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15348 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15350 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15351 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15352 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15353 Define secondary reloads for TFmode moves.
15354 (constant_modes): Add TFmode.
15355 (NR_C_MODES): Set to 8.
15356 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15358 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15359 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15360 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15361 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15362 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15363 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15364 (FPR mode macro): Add TFmode.
15365 (DSF mode macro): New.
15366 (<de>, <dee> mode attributes): Removed.
15367 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15368 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15369 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15370 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15371 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15372 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15373 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15374 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15375 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15376 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15377 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15378 "*negabs<mode>2", "sqrt<mode>2"):
15379 Changed <de> to <xde>. R constraint replaced by <Rf>.
15380 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15382 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15383 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15384 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15386 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15387 "extenddftf2", "extendsftf2"): New expanders.
15388 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15389 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15390 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15391 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15393 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15394 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15395 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15396 __floatditf): Add a GCC_4.1.0 symbol version tag.
15397 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15400 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15403 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15404 Use targetm.binds_local_p instead of TREE_PUBLIC.
15406 2006-02-02 Roger Sayle <roger@eyesopen.com>
15408 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15409 on INTEGER_TYPEs to indicate that it denotes a character type.
15410 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15411 signed_char_type_node, unsigned_char_type_node and char_type_node.
15412 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15413 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15414 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15416 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15417 Daniel Berlin <dberlin@dberlin.org>
15419 * tree-tailcall.c (arg_needs_copy_p): New function.
15420 (eliminate_tail_call): Use arg_needs_copy_p.
15421 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15422 (add_virtual_phis): New function.
15424 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15426 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15427 #ignore instead of #scratch for %g7 .register directive.
15429 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15431 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15434 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15436 * flow.c (calculate_global_regs_live): Assert that there aren't any
15439 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15441 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15442 what its name says.
15443 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15444 bsi_after_labels iterator.
15445 * tree-if-conv.c (find_phi_replacement_condition,
15446 replace_phi_with_cond_modify_expr): Likewise.
15447 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15448 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15450 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15452 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15454 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15457 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15458 array after growing it.
15460 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15462 PR middle-end/24901
15463 * fold-const.c (fold_checksum_tree): Change type of buf.
15465 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15467 * reload.c (push_secondary_reload): Initialize t_icode.
15469 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15471 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15472 -msoft-float -mlong-double-128 only issue a warning, but don't
15473 swich to DFmode long double.
15475 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15477 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15478 has a constant equivalent, iterate over equivalents for arg0,
15479 calling simplify_relational_operation and if there's a result
15480 cheaper than X, apply fold_rtx and return the result.
15482 2006-02-01 Jan Hubicka <jh@suse.cz>
15484 * opts.c (no_unit_at_a_time_default): New global variable.
15485 (decode_options): Use it.
15486 * opts.h (no_unit_at_a_time_default): Declare.
15488 2006-02-01 Paul Brook <paul@codesourcery.com>
15490 * function.c (assign_parm_setup_reg): Use function argument promotion
15492 * expr.c (expand_expr_real_1): Use function argument promotion rules
15495 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15497 * gcc.c (process_command): Change j to 'unsigned int'.
15499 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15501 PR middle-end/26001
15502 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15503 Use the corrected index for the character
15504 out of the string constant.
15506 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15508 * mode-switching.c (optimize_mode_switching): Fix size
15509 allocated for bb_info[n_entities].
15511 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15513 * gcc.c (main): Correct type that is allocated for
15514 explicit_link_files.
15516 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15518 * config/s390/s390.c (init_alignment_context): Set
15519 ALIAS_SET_MEMORY_BARRIER on the MEM.
15520 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15522 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15524 PR middle-end/25933
15525 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15527 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15530 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15532 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15533 * regrename.c: Ditto.
15534 * tree-ssa-loop-im.c: Ditto.
15535 * tree-dump.c: Ditto.
15536 * tree-complex.c: Ditto.
15537 * genrecog.c: Ditto.
15538 * tree-ssa-threadupdate.c: Ditto.
15540 * java/class.c: Ditto.
15541 * java/jcf-parse.c: Ditto.
15542 * java/resource.c: Ditto.
15543 * java/except.c: Ditto.
15544 * java/jvspec.c: Ditto.
15545 * java/jcf-write.c: Ditto.
15546 * java/jcf-path.c: Ditto.
15547 * java/gjavah.c: Ditto.
15548 * java/zextract.c: Ditto.
15549 * java/jcf-io.c: Ditto.
15550 * java/jcf.h: Ditto.
15551 * java/buffer.c: Ditto.
15552 * java/lang.c: Ditto.
15553 * java/parse-scan.y: Ditto.
15554 * java/lex.c: Ditto.
15555 * java/lex.h: Ditto.
15556 * cfgloopmanip.c: Ditto.
15557 * postreload-gcse.c: Ditto.
15558 * tree-ssa-loop-manip.c: Ditto.
15559 * postreload.c: Ditto.
15560 * tree-ssa-loop-ch.c: Ditto.
15563 * cppspec.c: Ditto.
15564 * diagnostic.c: Ditto.
15566 * genoutput.c: Ditto.
15568 * cfghooks.c: Ditto.
15569 * cfgloopanal.c: Ditto.
15570 * objc/objc-act.c: Ditto.
15572 * genextract.c: Ditto.
15573 * genautomata.c: Ditto.
15574 * pretty-print.c: Ditto.
15575 * genemit.c: Ditto.
15576 * cgraphunit.c: Ditto.
15578 * df-scan.c: Ditto.
15579 * haifa-sched.c: Ditto.
15580 * dominance.c: Ditto.
15582 * tree-ssa-loop-ivopts.c: Ditto.
15583 * df-core.c: Ditto.
15584 * mode-switching.c: Ditto.
15585 * modulo-sched.c: Ditto.
15587 * ipa-pure-const.c: Ditto.
15589 * fix-header.c: Ditto.
15591 * tree-stdarg.c: Ditto.
15592 * ipa-utils.c: Ditto.
15593 * loop-init.c: Ditto.
15594 * ipa-inline.c: Ditto.
15595 * cfganal.c: Ditto.
15597 * alloc-pool.c: Ditto.
15598 * dwarf2out.c: Ditto.
15600 * genattrtab.c: Ditto.
15601 * tree-ssa-loop-ivcanon.c: Ditto.
15602 * predict.c: Ditto.
15603 * timevar.c: Ditto.
15605 * fortran/gfortranspec.c: Ditto.
15606 * regmove.c: Ditto.
15607 * local-alloc.c: Ditto.
15608 * langhooks.c: Ditto.
15609 * function.c: Ditto.
15610 * tree-vectorizer.c: Ditto.
15612 * ipa-type-escape.c: Ditto.
15614 * tree-if-conv.c: Ditto.
15615 * profile.c: Ditto.
15617 * tree-data-ref.c: Ditto.
15618 * loop-unroll.c: Ditto.
15619 * treelang/treetree.c: Ditto.
15621 * bt-load.c: Ditto.
15622 * ggc-common.c: Ditto.
15624 * coverage.c: Ditto.
15626 * tree-cfgcleanup.c: Ditto.
15627 * tree-ssa-pre.c: Ditto.
15628 * cfgcleanup.c: Ditto.
15629 * loop-invariant.c: Ditto.
15630 * loop-iv.c: Ditto.
15631 * ipa-prop.c: Ditto.
15632 * print-tree.c: Ditto.
15633 * conflict.c: Ditto.
15634 * ggc-page.c: Ditto.
15635 * sched-deps.c: Ditto.
15636 * regclass.c: Ditto.
15637 * tree-object-size.c: Ditto.
15638 * combine.c: Ditto.
15639 * bb-reorder.c: Ditto.
15640 * resource.c: Ditto.
15641 * var-tracking.c: Ditto.
15642 * cfgloop.c: Ditto.
15643 * df-problems.c: Ditto.
15644 * reg-stack.c: Ditto.
15646 * gccspec.c: Ditto.
15647 * sched-rgn.c: Ditto.
15648 * tree-ssa-structalias.c: Ditto.
15649 * tree-ssa-reassoc.c: Ditto.
15650 * config/darwin-c.c: Ditto.
15651 * config/darwin.c: Ditto.
15652 * config/arm/arm.c: Ditto.
15654 * collect2.c: Ditto.
15655 * reload1.c: Ditto.
15657 2006-01-31 Nicolas Pitre <nico@cam.org>
15659 * arm.md (smaxsi3): Make aware of smax_m1.
15662 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15664 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15666 2006-01-31 Richard Guenther <rguenther@suse.de>
15668 * doc/invoke.texi (-msselibm): Document.
15669 * target.h (expand_library_builtin): New target hook.
15670 * builtins.c (expand_builtin): Use expand_library_builtin.
15671 (default_expand_library_builtin): New function.
15672 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15673 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15674 (link_gcc_math_spec): Declare.
15675 (static_specs): Add link_gcc_math_spec.
15676 * expr.h (default_expand_library_builtin): Declare.
15677 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15678 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15679 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15680 * config/i386/i386.opt (msselibm): New target option.
15681 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15682 (ix86_init_sse_abi_builtins): New function.
15683 (ix86_expand_library_builtin): Likewise.
15684 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15685 (override_options): Handle error conditions wrt -msselibm.
15686 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15687 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15688 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15691 2006-01-31 Richard Guenther <rguenther@suse.de>
15692 Paolo Bonzini <bonzini@gnu.org>
15694 * doc/install.texi (--disable-libgcc-math): Document.
15696 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15698 * expr.h (expand_normal): new inline function.
15699 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15700 * dojump.c: use it.
15701 * dwarf2out.c: use it.
15704 * expmed.c: use it.
15705 * except.c: use it.
15706 * config/sparc/sparc.c: use it.
15707 * config/i386/i386.c: use it.
15708 * config/rs6000/rs6000.c: use it.
15709 * config/arm/arm.c: use it.
15710 * config/mips/mips.c: use it.
15711 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15713 2006-01-30 Roger Sayle <roger@eyesopen.com>
15715 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15716 argv to the appropriate type.
15718 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15720 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15723 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15726 * config/s390/s390.c (struct machine_function): New flag
15727 decomposed_literal_pool_addresses_ok_p.
15728 (s390_reorg): Set it before final stage of literal pool transforms.
15729 (s390_decompose_address): Only accept displacements of the form
15730 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15732 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15734 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15735 the comparison routine return.
15737 2006-01-30 Michael Matz <matz@suse.de>
15739 * global.c (find_reg): Only evict for global regs.
15740 Take n_refs into account and dump more info.
15742 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15745 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15746 (pragma_trap, pragma_nosave_low_regs): Likewise.
15747 (current_function_anonymous_args): Likewise.
15748 (sh_deferred_function_attributes): New variable.
15749 (sh_deferred_function_attributes_tail): Likewise.
15750 (print_operand): For '@', look up trap_exit attribute.
15751 (calc_live_regs): Look up trapa_handler attribute. For trapa
15752 handlers, save/restore fpscr, but don't do any other
15753 interrupt-specific saves.
15754 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15755 Fix check for partially saved registers to check for SHmedia.
15756 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15757 (sh_output_function_epilogue): Don't clear any of the removed
15759 (sh_insert_attributes): Don't check pragma_interrupt.
15760 Insert deferred attributes. Check that interrupt attribute is
15761 present for other attributes that require its presence.
15762 (sh_attribute_table): Add new attributes trapa_handler and
15764 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15765 Don't check for pragma_interrupt. Don't store argument.
15766 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15767 (sh_deferred_function_attributes): Declare.
15768 (sh_deferred_function_attributes_tail): Likewise.
15769 * sh.md (sp_switch_1): Add operand. Change generator caller.
15770 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15771 (*return_i): Don't use when trap_exit attribute is in effect.
15772 (*return_trapa): New insn pattern.
15773 * sh-c.c: New file.
15774 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15775 setting c_target_objs and cxx_target_objs.
15776 * t-sh: Add rule for sh-c.o.
15778 2006-01-30 Richard Guenther <rguenther@suse.de>
15781 * gimplify.c (gimplify_target_expr): Handle easy cases
15782 without creating a temporary.
15784 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15786 * vec.h (safe_grow): Remove duplicated line.
15788 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15791 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15792 (expand_omp): ... here.
15793 (expand_omp_parallel): Only remove barriers for combined
15794 parallel+workshare constructs.
15796 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15800 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15801 * tree.c (build_qualified_type): Chain the new type to the original
15802 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15803 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15804 (build_pointer_type_for_mode): Only return unqualified types.
15805 (build_reference_type_for_mode): Likewise.
15807 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15809 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15810 * Makefile.in (CXX_COMPAT_WARN): Define.
15811 * configure: Regenerate.
15813 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15816 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15819 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15821 * toplev.c: Fix thinko.
15823 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15824 Marcin Dalecki <martin@dalecki.de>
15826 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15827 (push_srcloc): Use XNEW.
15828 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15830 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15832 * df-core.c (df_set_blocks): Deleted all variable.
15834 2006-01-28 Ian Lance Taylor <ian@airs.com>
15836 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15837 cgraph_output_pending_asms.
15839 2006-01-28 Zack Weinberg <zackw@panix.com>
15841 * c.opt: Add -W(no-)overlength-strings.
15842 * doc/invoke.texi: Document it.
15843 * c-opts.c (c_common_handle_option): -pedantic implies
15844 -Woverlength-strings, if not explicitly disabled already.
15845 (c_common_post_options): -Woverlength-strings defaults to off, and
15846 is always off for C++.
15847 * c-common.c (fix_string_type): Issue warning about strings longer
15848 than is portable only if warn_overlength_strings. Rearrange code
15849 a little for clarity.
15850 * configure.in: Check for -Wno-overlength-strings as well before
15851 enabling -pedantic in stage 1.
15852 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15853 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15855 * genconditions.c (write_header, write_one_condition)
15856 (write_conditions, write_writer): Consolidate very long strings
15857 that were broken up to fit in C89 portable limit. Don't use
15858 printf when fputs will do.
15860 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15862 * combine.c (simplify_comparison <AND>): Check
15863 TRULY_NOOP_TRUNCATION before start using a subreg.
15865 * config/mips/mips.md (*branch_zero<mode>,
15866 *branch_zero<mode>_inverted, *branch_equality<mode>,
15867 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15868 Remove mode check from comparisons.
15870 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15872 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15874 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15876 * expmed.c (const_mult_add_overflow_p): Remove.
15877 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15879 * recog.c (validate_replace_rtx_subexp): Remove.
15880 * recog.h: Remove the prototype for
15881 validate_replace_rtx_subexp.
15883 * integrate.h: Remove the prototype for
15884 copy_decl_for_inlining.
15885 * rtl.h: Remove the prototype for mark_constant_function.
15886 * tree-vectorizer.h: Remove the prototype for
15887 vect_strip_conversion.
15889 * modulo-sched.c (create_partial_schedule,
15890 free_partial_schedule, reset_partial_schedule): Make them
15893 * hooks.c (hook_bool_rtx_int_false): Remove.
15894 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15896 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15898 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15899 and -mlong-double-128 are incompatible.
15900 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15901 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15902 (TARGET_LIBGCC2_CFLAGS): Define.
15903 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15904 (TARGET_LIBGCC2_CFLAGS): Same.
15905 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15907 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15910 * c-typeck.c (build_binary_op): Perform implicit casts of
15911 operands before shortening them.
15913 * cfgloopmanip.c (split_loop_bb): Remove.
15914 * cfgloop.h: Remove the prototype for split_loop_bb.
15916 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15917 * cfgloop.h: Remove the prototype for
15918 flow_loop_outside_edge_p.
15920 * emit-rtl.c (init_virtual_regs): Make it static.
15921 * function.h: Remove the prototype for init_virtual_regs.
15923 * recog.c (peephole2_optimize): Make it static.
15924 * recog.h: Remove the prototype for peephole2_optimize.
15926 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15928 * df-scan.c (df_record_entry_block_defs): Check if
15929 INCOMING_RETURN_ADDR_RTX is defined.
15931 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15932 Kenneth Zadeck <zadeck@naturalbridge.com>
15934 PR rtl-optimization/24762
15935 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15936 * targhooks.c (hook_void_bitmap): New hook prototype.
15937 * targhoohs.h (hook_void_bitmap): Ditto.
15938 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15939 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15940 * target.h (live_on_entry): New function pointer.
15941 * df-scan.c (df_all_hard_regs): Removed.
15942 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15943 (df_scan_free_internal): Added df->entry_block_defs.
15944 (df_scan_alloc): Ditto.
15945 (df_scan_dump): Ditto.
15946 (df_uses_record): Plumbed flag field properly thru calls.
15947 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15948 This part fixes PR24762.
15949 (df_bb_refs_record): Added code to make the frame and arg
15950 pointers live in EH blocks.
15951 (df_refs_record): Added call to df_record_entry_block_defs.
15952 (df_record_entry_block_defs): New function.
15953 * df-core.c: Added comments to describe new artifical defs.
15954 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15955 (entry_block_defs): New field in struct df.
15956 (df_all_hard_regs): Deleted.
15957 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15958 * df-problems.c (df_ru_bb_local_compute_process_def):
15959 Added code to handle artifical defs in the entry to a function.
15960 (df_ru_bb_local_compute): Ditto.
15961 (df_rd_bb_local_compute_process_def): Ditto.
15962 (df_rd_bb_local_compute): Ditto.
15963 (df_lr_bb_local_compute): Ditto.
15964 (df_ur_bb_local_compute): Ditto.
15965 (df_urec_bb_local_compute): Ditto.
15966 (df_chain_create_bb): Ditto.
15967 (df_ur_local_finalize): Removed entry.
15968 (df_urec_init): Ditto.
15969 (df_urec_local_finalize): Ditto.
15970 (df_ri_bb_compute): Added detection of last use of pseudos.
15971 * Makefile.in (df-scan.o): Updated dependencies.
15972 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15973 * config/mips/mips.c (mips_set_live_on_entry): Added.
15974 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15976 * dce.c (marked_insn_p): Added code to handle artifical defs.
15978 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15980 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15982 (_mm_cvtsi128_si64): Likewise.
15983 (_mm_cvtsd_si64): Likewise.
15984 (_mm_cvttsd_si64): Likewise.
15985 (_mm_cvtsi64_sd): Likewise.
15986 (_mm_cvtsi64_si128): Likewise.
15987 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15988 (_mm_cvtsi64_m64): Likewise.
15989 (_m_to_int64): Likewise.
15990 (_mm_cvtm64_si64): Likewise.
15991 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15992 (_mm_cvttss_si64): Likewise.
15993 (_mm_cvtsi64_ss): Likewise.
15994 (_mm_cvtss_f32): Likewise.
15996 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15998 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15999 for pragma redefine_extname.
16001 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16004 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16005 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16006 -mno-minimal-toc to previous content.
16007 (bispecs): Remove goal.
16008 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16009 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16010 compatibility aliases on powerpc-*-*gnu*.
16011 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16012 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16013 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16014 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16015 (ldblspecs): New goal.
16016 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16017 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16019 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16020 L_sf_to_tf or L_df_to_tf is defined.
16022 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16023 Alan Modra <amodra@bigpond.net.au>
16026 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16027 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16028 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16029 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16030 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16031 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16032 (rs6000_override_options): Initialize rs6000_ieeequad.
16033 Initialize TFmode format to ibm_extended_format if not
16035 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16037 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16038 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16039 (function_arg_advance): IBM long double passed in two FPRs, not
16041 (function_arg): IBM long double passed in FPRs.
16042 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16043 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16044 Only multireg GPR aligned.
16045 (rs6000_init_libfuncs): Enable IBM long double functions if not
16047 (rs6000_generate_compare): Use IBM long double compare if not
16049 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16050 (TARGET_IEEEQUAD): Define.
16051 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16052 not TARGET_IEEEQUAD.
16053 * config/rs6000/rs6000.md: Enable TFmode patterns if
16055 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16056 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16057 and -mlong-double-128 are incompatible.
16058 * doc/invoke.texi (-mabi): Collect options together. Add
16059 ibmlongdouble and ieeelongdouble.
16061 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16063 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16065 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16066 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16067 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16068 * rtl.h (rtunion_def): Remove rt_ptr.
16070 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16071 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16072 * config/i386/winnt.c (i386_pe_mark_dllexport)
16073 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16075 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16077 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16079 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16083 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16084 pthread_key_delete. From John David Anglin. gthrw-ify
16085 pthread_getunique_np only if it it's not a macro. Delete
16087 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16088 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16089 __gthread_objc_condition_signal, __gthread_key_delete): Add
16090 "__attribute__ ((__unused__))" to unused arguments.
16091 (__gthread_recursive_mutex_init_function): Add missing return.
16092 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16093 gthr-posix95.h: Use macro-based approach for name redirection
16094 on targets missing weakref.
16096 2006-01-26 Zack Weinberg <zackw@panix.com>
16098 * genconditions.c (write_header): In generated code, #ifdef out
16099 all includes and fake declarations, except includes of bconfig.h
16100 and system.h, unless GCC_VERSION >= 3001. Do not include
16101 gensupport.h in any case.
16102 (write_conditions): Generate a definition of struct c_test. Add
16103 a comment to the generated #endif.
16104 (write_one_condition): Escape backslashes in string too.
16105 (write_writer): Generated code must escape backslashes and quote
16106 marks (but not newlines) in the strings it writes.
16107 * Makefile.in (build/gencondmd.o): Update dependencies.
16109 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16112 * Makefile.in (insn-automata.o): Add header file dependencies.
16113 * genautomata.c: Add includes.
16115 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16118 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16120 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16122 * configure.ac: Expect target tools paths to be passed from the toplevel
16123 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16125 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16127 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16130 * c.opt (Wpointer-sign): Init to -1.
16131 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16132 OPT_pedantic, to 0 otherwise.
16133 * doc/invoke.texi: Update.
16135 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16137 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16138 constants provided by 80387 instructions in the destination mode.
16140 2006-01-26 Richard Guenther <rguenther@suse.de>
16141 Andrew Pinski <pinskia@physics.uc.edu>
16144 partial PR tree-opt/17064
16145 * tree-ssa-structalias.c (intra_create_variable_infos):
16146 Create heap variables for incoming parameters if
16147 flag_argument_noalias > 1.
16148 (find_what_p_points_to): Look through default defs of
16151 2006-01-26 Jeff Law <law@redhat.com>
16154 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16155 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16156 within the VR_RANGE, use the VR_RANGE as the result, not the
16158 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16159 bounds for the type.
16161 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16163 * tree-ssa-alias.c (maybe_create_global_var): Change
16164 subvar walking to an assertion that we don't have subvar'd variables.
16166 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16169 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16170 Use a new variable, inner. PARM_DECLs are always non-weak.
16172 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16174 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16175 --disable-checking.
16177 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16179 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16181 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16183 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16184 (smax_insn, smin_insn, smax_0, smin_0): New.
16186 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16189 * config/cris/cris.c (cris_order_for_addsi3): New function.
16190 * config/cris/cris-protos.h: Prototype it.
16191 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16192 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16193 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16194 (split for "op.S1 [rx=rx+i],ry (swapped)")
16195 (split for "op(s|u).S1 [rx=rx+i],ry")
16196 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16197 Apply cris_order_for_addsi3 when generating addsi3 insns.
16199 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16201 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16202 (TREE_BLOCK): Add call to EXPR_CHECK.
16204 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16207 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16208 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16209 (dump_omp_clauses): ... here.
16210 (dump_generic_node): Handle OMP_CLAUSE.
16211 * tree.c (omp_clause_num_ops): New.
16212 (omp_clause_code_name): New.
16213 (tree_code_size): Handle OMP_CLAUSE.
16214 (tree_size): Likewise.
16215 (make_node): Document handling of OMP_CLAUSE.
16216 (tree_node_structure): Handle OMP_CLAUSE.
16217 (omp_clause_check_failed): New.
16218 (omp_clause_range_check_failed): New.
16219 (omp_clause_operand_check_failed): New.
16220 (build_omp_clause): New.
16221 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16222 * tree.h (enum omp_clause_code): Declare.
16223 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16224 (OMP_CLAUSE_RANGE_CHECK): Define.
16225 (OMP_CLAUSE_ELT_CHECK): Define.
16226 (omp_clause_check_failed): Declare.
16227 (omp_clause_operand_check_failed): Declare.
16228 (omp_clause_range_check_failed): Declare.
16229 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16230 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16231 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16232 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16233 (OMP_CLAUSE_IF_EXPR): Likewise.
16234 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16235 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16236 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16237 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16238 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16239 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16240 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16241 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16242 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16243 (OMP_CLAUSE_CODE): Define.
16244 (OMP_CLAUSE_SET_CODE): Define.
16245 (OMP_CLAUSE_CODE): Define.
16246 (OMP_CLAUSE_OPERAND): Define.
16247 (struct tree_omp_clause): Declare.
16248 (union tree_node): Add field 'omp_clause'.
16249 * treestruct.def (TS_OMP_CLAUSE): Define.
16250 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16251 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16252 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16253 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16254 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16255 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16256 (OMP_CLAUSE): Define.
16257 * print-tree.c (print_node): Handle OMP_CLAUSE.
16258 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16259 * c-typeck.c: Likewise.
16260 * gimplify.c: Likewise.
16261 * c-omp.c: Likewise.
16262 * tree-nested.c: Likewise.
16263 * tree-inline.c: Likewise.
16264 * c-parser.c: Likewise.
16265 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16268 2006-01-25 Roger Sayle <roger@eyesopen.com>
16270 PR rtl-optimization/25703
16271 * combine.c (try_combine): Handle zero_extract and strict_low_part
16272 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16274 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16276 * global.c: Fix comment typos.
16278 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16281 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16282 Use output_addr_const instead of assemble_name.
16284 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16286 * Makefile.in (sched-vis.o): Update dependencies.
16287 * haifa-sched.c (sched_finish): Clear current_sched_info.
16288 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16289 (dump_flow_info): Call it.
16290 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16292 * basic-block.h (dump_bb_info): Declare.
16293 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16294 option, and apply options only for dump files whose TDF_RTL,
16295 TDF_TREE, or TDF_IPA bits match.
16296 * rtl.h: Declare new functions exported from sched-vis.c.
16297 * sched-vis.c: Enable also if scheduling is not used.
16298 (print_value): Print the mode of registers if not inside scheduling.
16299 (print_insn): Make it work outside the scheduler. Beautify the output
16301 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16303 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16305 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16306 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16307 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16308 depending on the value of CONSTANT_POOL_ADDRESS_P.
16309 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16311 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16312 rather than SYMBOL_REF_DECL.
16313 (rtx_constant_pool): Remove const_rtx_sym_htab.
16314 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16315 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16316 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16317 Remove handling of const_rtx_sym_htab.
16318 (find_pool_constant): Delete.
16319 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16320 rather than find_pool_constant.
16321 (get_pool_constant_for_function): Delete.
16322 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16323 find_pool_constant.
16324 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16325 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16326 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16327 (SYMBOL_REF_CONSTANT): New macro.
16328 (get_pool_constant_for_function): Delete.
16329 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16330 rather than SYMBOL_REF_DECL.
16331 (i386_pe_mark_dllimport): Likewise.
16332 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16333 rather than SYMBOL_REF_DECL.
16334 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16335 (machopic_indirect_call_target): Likewise.
16337 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16339 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16341 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16343 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16345 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16347 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16349 2006-01-24 David Daney <ddaney@avtrex.com>
16352 * configure.ac (enable_tls): New enable option.
16353 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16354 * configure: Regenerate.
16355 * doc/install.texi (--enable-tls): Document new option.
16356 (--disable-tls): Ditto.
16358 2006-01-24 Richard Henderson <rth@redehat.com>
16360 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16361 * alias.c (true_dependence): Respect it.
16362 (canon_true_dependence, write_dependence_p): Likewise.
16363 * builtins.c (get_builtin_sync_mem): Set it.
16365 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16367 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16370 2006-01-24 DJ Delorie <dj@redhat.com>
16372 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16373 for storing constants in single-bit bitfields.
16375 2006-01-25 Ben Elliston <bje@au.ibm.com>
16377 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16379 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16382 * tree-ssa-pre.c (phi_translate): Return NULL
16383 for AGGREGATE_TYPE's.
16385 2006-01-24 Zack Weinberg <zackw@panix.com>
16387 * genautomata.c (process_state_for_insn_equiv_partition):
16388 Use xcalloc for insn_arcs_array.
16389 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16390 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16392 2006-01-24 Richard Henderson <rth@redhat.com>
16394 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16395 update all callers.
16397 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16399 PR rtl-optimization/25890
16400 PR rtl-optimization/25905
16401 * combine.c (expand_compound_operation, expand_field_assignment):
16402 Fail if the bitfield's final position is out of bounds.
16404 2006-01-24 Ian Lance Taylor <ian@airs.com>
16406 PR middle-end/25930
16407 * cgraphunit.c (cgraph_output_in_order): Don't clear
16408 cgraph_asm_nodes until after asm strings have been output.
16410 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16412 * fix-header.c (read_scan_file): Add new parameter imultilib when
16413 calling register_include_chains.
16415 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16417 * omp-low.c: Update documentation.
16419 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16420 Daniel Berlin <dberlin@dberlin.org>
16424 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16425 return from the function.
16427 2006-01-22 Zack Weinberg <zackw@panix.com>
16429 * rtl.def (match_code): Add second argument.
16430 * genpreds.c (write_extract_subexp): New function.
16431 (write_match_code): Add path argument. Use write_extract_subexp.
16432 (write_predicate_expr): Pass path to write_match_code.
16433 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16434 not perform a mode test.
16435 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16436 a subexpression does not constrain the top-level code set.
16437 * read-rtl.c (read_rtx_variadic): New function.
16438 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16439 * doc/md.texi: Document new notation.
16440 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16441 (cmpsi_operand): ... here, using new notation.
16443 2006-01-22 Zack Weinberg <zackw@panix.com>
16445 * varray.c: Remove GENERATOR_FILE #ifdefs.
16447 2006-01-22 Zack Weinberg <zackw@panix.com>
16449 * genautomata.c (output_reserved_units_table): Emit nothing if
16450 description->query_units_num is zero. Remove extra blank line.
16451 (output_cpu_unit_reservation_p): Short circuit
16452 if description->query_units_num is zero.
16454 2006-01-22 Zack Weinberg <zackw@panix.com>
16456 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16457 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16458 nor any of the random handful of variables that used to be necessary
16459 when this program was linked with rtlanal.o. Prune set of forward
16460 function declarations.
16461 (struct attr_desc): Remove static_p field.
16462 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16463 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16464 (attr_string): Do not read the character one past the length of
16466 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16467 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16468 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16469 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16470 (make_automaton_attrs): New.
16471 (main): Do not call into genautomata. Call local gen_bypass
16472 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16473 Remove special case for insn_alts.
16474 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16475 varray.h (leftover from previous change). Prune set of forward
16476 function declarations. Remove state_alts fields from all
16477 structures. Remove state_alts_table from struct automaton.
16478 Make everything except main static. Do not maintain num_dfa_decls.
16479 Do not maintain state_alts fields of various structures.
16480 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16481 (add_arc): Remove state_alts argument. All callers updated.
16482 (output_reserved_units_table): Emit #ifdef here...
16483 (output_tables): ...not here. Don't generate state_alts tables.
16484 (expand_automata): Don't generate attributes.
16485 (write_automata): Don't generate state_alts functions.
16486 (main): New function.
16487 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16488 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16489 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16490 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16491 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16492 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16493 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16494 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16496 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16497 * genattrtab.h: Delete file.
16498 * Makefile.in (OBJS-common): Add insn-automata.o.
16499 (insn-automata.o): New rule.
16500 (simple_generated_c): Add insn-automata.c.
16501 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16502 (genprogmd): Add automata.
16503 (build/genattrtab): Needs no extra objects nor libraries.
16504 (build/genautomata): Needs build/vec.o and -lm.
16506 2006-01-22 Zack Weinberg <zackw@panix.com>
16508 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16509 (output_dfa_max_issue_rate, locked_states_num): Delete.
16510 (struct automaton): Add locked_states field.
16511 (output_dead_lock_vect): Save number of locked states in
16512 automaton->locked_states. If it is zero, don't print anything.
16513 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16514 (output_internal_dead_lock_func): Only test the dead_lock_vect
16515 for automata that have locked states.
16516 (output_statistics): Always print the number of locked states for
16517 each automaton. Calculate total number of locked states here.
16518 (write_automata): Don't call output_dfa_max_issue_rate.
16519 * genattrtab.c: Define length_unit_log as a const variable.
16520 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16521 max_insn_queue_index const.
16522 * final.c (length_unit_log): Declare const.
16523 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16525 2006-01-22 Zack Weinberg <zackw@panix.com>
16527 * genautomata.c: Include vec.h, not varray.h.
16528 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16529 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16530 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16531 VEC_* macros operating on appropriately typed vectors, or to
16532 malloced arrays when the size is known in advance. Const-ify
16533 many char* variables and function arguments. No functional changes.
16534 * Makefile.in (build/varray.o): Delete rule.
16535 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16536 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16538 2006-01-22 Zack Weinberg <zackw@panix.com>
16540 * gensupport.c: Define get_insn_name and record_insn_name here.
16541 (read_md_rtx): Call record_insn_name as appropriate.
16542 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16543 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16544 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16546 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16547 (BUILD_VARRAY): Delete.
16548 (genprognormal): Rename genprogmd. Fold in all programs from
16549 genprognoprint; also attrtab.
16550 (build/genattrtab): Just mention genautomata.o and varray.o.
16551 Reorganize a bit, add comments to make the categories clearer.
16553 2006-01-22 Zack Weinberg <zackw@panix.com>
16555 * genconditions.c (condition_table, add_condition): Delete.
16556 (write_conditions): Don't emit n_insn_conditions nor
16557 insn_elision_unavailable. Issue the gcc version #ifdef here,
16558 inside the table, with no #else clause ...
16559 (write_header): ...not here.
16560 (write_writer): New function.
16561 (main): Don't initialize condition_table. Use add_c_test.
16563 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16564 files on the command line.
16565 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16566 Return -1 if there is no entry in the table, don't abort.
16567 (add_c_test, traverse_c_tests): New functions.
16568 * gensupport.h (insn_elision_unavailable, insn_conditions)
16569 (n_insn_conditions): Delete declarations.
16570 (add_c_test, traverse_c_tests): Declare.
16571 * read-rtl.c: Include gensupport.h.
16572 (read_conditions): New function.
16573 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16574 (read_rtx_1): If we get EOF when we were looking for an initial
16575 open paren, return 0. Call read_conditions when appropriate.
16576 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16577 dummy-conditions.o. Eliminate references to insn-conditions.o,
16578 or change them to build/gencondmd.o, as appropriate. Remove
16579 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16580 from $(simple_generated_c). For all files remaining in those
16581 two lists, add insn-conditions.md to the generator command line.
16582 Give insn-constants.h/s-constants their own rules. Add rules
16583 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16584 (build/read-rtl.o): Depend on gensupport.h.
16585 (genprognormal): Include preds.
16586 (genprogearly): Rename genprognoprint; only difference is now that
16587 they don't link with $(BUILD_PRINT).
16588 * dummy-conditions.c: Delete.
16590 2006-01-22 Zack Weinberg <zackw@panix.com>
16592 * genextract.c: Don't include insn-config.h. Do include vec.h.
16593 Declare vectors of int, char, and locstr.
16594 (locstr): New typedef.
16595 (struct extraction): Make all array fields into bare pointers.
16596 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16597 (insn_code_number): Delete.
16598 (accum_extract): New struct.
16599 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16600 (gen_insn): Take insn_code_number as an argument. Use an
16601 accum_extract structure instead of loading data directly into
16602 a struct extraction, and having to know how big it might get.
16603 (walk_rtx): Operate entirely on an accum_extract structure.
16604 (print_path): Avoid unnecessary use of printf.
16605 (print_header): New function, split out of main. Distinguish
16606 more carefully between an unrecognizable insn and an insn that
16607 has the code number of a define_expand.
16608 (main): Pass insn_code_number to gen_insn. Call print_header
16609 only after parsing. Avoid unnecessary use of printf.
16610 * Makefile.in (build/vec.o): New rule.
16611 (build/genextract): Depend on build/vec.o.
16612 (build/genextract.o): Don't depend on insn-config.h.
16614 2006-01-22 Zack Weinberg <zackw@panix.com>
16616 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16617 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16618 practical. Eliminate per-generator-program link rules.
16620 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16622 PR middle-end/24437
16623 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16624 with a call expr to ...
16625 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16627 2006-01-23 Richard Guenther <rguenther@suse.de>
16629 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16630 before make_edge with conditional EDGE_TRUE_VALUE.
16632 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16633 Jan Hubicka <jh@suse.cz>
16634 Richard Guenther <rguenther@suse.de>
16636 PR rtl-optimization/25654
16637 * cfgexpand.c (aggregate_contains_union_type): New function.
16638 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16639 for structure variables that contain a union type.
16641 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16643 * gengtype.c (new_structure): Return the structure.
16644 (create_option): Add an extra "next" argument.
16645 (create_field): New function.
16646 (adjust_field_rtx_def): Use create_option and create_field.
16647 Remove a now-unnecessary call to find_structure.
16648 (adjust_field_tree_def): Likewise.
16649 (note_yacc_type): Remove an unnecessary call to find_structure.
16650 * gengtype.h (new_structure): Return the structure.
16651 (create_option): Add an extra argument.
16652 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16653 (option): Adjust calls to create_option.
16655 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16657 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16659 2006-01-22 Paul Brook <paul@codesourcery.com>
16660 Peter Barada <peter@the-baradas.com>
16662 * config/m68k/m68k.md: Add Coldfire FPU support.
16663 Define FP mode macro and associated attributes.
16664 Use it for float mode patterns.
16665 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16666 (LIBCALL_VALUE): Use m68k_libcall_value.
16667 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16668 (m68k_function_value): Ditto.
16669 (emit_move_sequence): Ditto.
16670 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16671 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16672 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16673 (MULTILIB_EXCEPTIONS): Ditto.
16674 * config/m68k/m68k.opt: Add mcfv4e.
16675 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16676 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16677 (m68k_output_function_prologue): Save ColdFire FPU registers.
16678 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16679 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16680 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16681 ColdFire FPU registers.
16682 (m68k_libcall_value, m68k_function_value): New functions.
16683 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16684 (LIBCALL_VALUE): Use m68k_libcall_value.
16685 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16686 (MASK_COLDFIRE): Add MASK_CFV4E.
16687 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16688 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16689 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16690 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16691 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16692 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16693 * doc/invoke.tex: Document -mcfv4e on m68k.
16695 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16697 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16700 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16703 * c-opts.c (c_common_handle_option): Don't include
16704 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16705 * doc/invoke.texi (C++ Dialect Options): Document that
16706 -Wnon-virtual-dtor is no longer included in -Wall.
16708 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16710 * gcov.c (print_version), gcov-dump.c (print_version),
16711 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16714 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16716 * df-scan.c (problem_SCAN): Added NULL reset function.
16717 (df_scan_reset_blocks): Added code to call reset block function
16718 (df_bb_refs_delete) Fixed comment.
16719 (df_insn_refs_delete): Made tolerant of deleting non existent info
16720 for dataflow problems that need to be reset.
16721 * df-core.c (df_set_blocks): Ditto.
16722 * df.h (struct df_problem): Added reset_fun.
16723 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16724 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16725 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16726 functions to clear out all references to def-use or use-def chains.
16728 2006-01-21 Ben Elliston <bje@au.ibm.com>
16730 * varasm.c (assemble_real): Initialise data array.
16732 2006-01-20 Paul Brook <paul@codesourcery.com>
16734 Merge from csl-arm-branch.
16735 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16736 * config/arm/arm.md (movdi): Force operands[1] to a register
16737 if we have a non-register source.
16738 (*arm_movdi, *movdf_soft_insn): Require that one of the
16739 operands be a register.
16740 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16741 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16743 2006-01-20 DJ Delorie <dj@redhat.com>
16745 * varasm.c (initializer_constant_valid_p): Allow pointers
16746 initialized from integer constants of lesser precision.
16747 (output_constant): Allow non-int-sized pointer modes to be
16748 initialized from integer constants.
16750 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16753 * cppdefault.h (struct default_include): Add multilib flag.
16754 * cppdefault.c (cpp_include_defaults): Set it.
16755 * c.opt (-imultilib): New option.
16756 * c-opts.c (imultilib): New.
16757 (c_common_handle_option): Handle -imultilib.
16758 (c_common_post_options): Likewise.
16759 * c-incpath.c (add_standard_paths, register_include_chains):
16761 * c-incpath.h (register_include_chains): Add extra parameter.
16762 * gcc.c (do_spec_1): Generate -imultilib option.
16763 (The Specs Language): Update %I description.
16764 (process_command): Update copyright notice.
16765 * doc/cppopts.texi (-imultilib): Document.
16766 * doc/invoke.texi (-imultilib): Include in option summary.
16767 (%I): Update specs documentation.
16769 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16771 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16773 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16775 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16778 2006-01-20 Richard Guenther <rguenther@suse.de>
16779 Steven Bosscher <stevenb.gcc@gmail.com>
16781 PR rtl-optimization/24626
16782 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16783 EDGE_TRUE_VALUE if in RTL mode.
16786 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16787 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16789 2006-01-20 Dirk Mueller <dmueller@suse.com>
16792 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16793 instead of a special NOP marker.
16794 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16795 NOP marker handling.
16796 * c-common.h (empty_body_warning): Add forward declaration.
16797 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16798 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16800 2006-01-20 Paul Brook <paul@codesourcery.com>
16802 * Makefile.in (lang_checks): Keep going if mkdir fails.
16804 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16806 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16807 be able to clean out basic block when not necessary.
16808 (df_scan_free): Fixed to properly delete information if df is
16809 unused before calling df_finish.
16810 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16811 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16813 (df_bb_refs_delete): New function.
16814 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16815 * df-core.c (df_set_blocks): Added code to properly clean out
16816 unused blocks if they are not part of the blocks to consider.
16817 Added additional null check.
16818 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16819 be able to clean out basic block when not necessary
16820 * df.h (df_free_bb_function): Ditto.
16821 (df_bb_refs_delete): New function.
16822 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16823 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16824 basic block parameter to be able to clean out basic block when not
16826 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16827 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16828 Fixed to properly delete information if df is unused before
16831 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16833 PR rtl-optimization/25799
16834 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16835 Corrected confluence operator to remove bits from op2 before oring
16836 with op1 rather than removing bits from op1.
16837 (df_ru_transfer_function): Corrected test on wrong bitmap which
16838 caused infinite loop. Both of these problems were introduced in
16839 the dataflow rewrite.
16841 2006-01-19 DJ Delorie <dj@redhat.com>
16843 * reload1.c (find_reload_regs): Note the details of reload
16844 failures in the dump file.
16845 (spill_failure): Likewise.
16847 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16849 * loop-iv.c: Include df.h and hashtab.h.
16850 (enum iv_grd_result): New enum.
16851 (DF_REF_IV, DF_REF_IV_SET): New macros.
16852 (struct biv_entry): New.
16853 (df, bivs): New global variables.
16854 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16855 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16857 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16858 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16859 analyzed_for_bivness_p, record_biv): New functions.
16860 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16861 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16862 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16864 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16866 (iv_number_of_iterations): Use new interface to iv analysis.
16867 * loop-unroll.c: Do not include varray.h.
16868 (analyze_iv_to_split_insn): Use new interface to iv
16870 * loop-unswitch.c (may_unswitch_on): Ditto.
16871 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16873 (df_bb_modify): Realloc tables to the new index.
16874 (df_find_use): New function.
16875 * df.h (df_find_use): Declare.
16876 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16878 * cfgloop.h (struct rtx_iv): Remove analysed field.
16879 (iv_get_reaching_def): Removed.
16880 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16881 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16882 (loop-iv.o): Add df.h and hashtab.h dependency.
16883 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16885 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16888 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16890 (__floatundisf, __floatundidf): Likewise.
16891 * libgcc2.h (IS_IBM_EXTENDED): Define.
16893 2006-01-19 DJ Delorie <dj@redhat.com>
16895 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16897 2006-01-19 Paul Brook <paul@codesourcery.com>
16899 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16900 as nothrow when unwinding tables are disabled.
16902 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16905 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16906 of bit-field" when in system header.
16908 2006-01-19 DJ Delorie <dj@redhat.com>
16910 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16911 the 16 bit shift limit of the m16c.
16913 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16916 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16917 * config/i386/i386.c (output_set_got): Output the label if we have one
16918 for the TARGET_DEEP_BRANCH_PREDICTION case.
16920 2006-01-19 Jan Hubicka <jh@suse.cz>
16921 H.J. Lu <hongjiu.lu@intel.com>
16922 Evandro Menezes <evandro.menezes@amd.com>
16924 * invoke.texi (generic): Document
16926 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16927 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16928 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16929 (x86_use_incdec, x86_pad_returns): New variables
16930 (TARGET_CPU_DEFAULT_generic): New constant
16931 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16932 (enum processor_type): Add generic32 and generic64.
16933 * i386.md (cpu attribute): Add generic32/generic64
16934 (movhi splitter): Behave sanely when both partial_reg_dependency and
16935 partial_reg_stall are set.
16936 (K8 splitters): Enable for generic as well.
16937 * predicates.md (incdec_operand): Use TARGET_INCDEC
16938 (aligned_operand): Avoid memory mismatch stalls.
16939 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16940 * ppro.md: Enable for generic32
16941 * i386.c (generic64_cost, generic32_cost): New.
16942 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16943 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16944 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16945 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16946 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16947 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16948 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16949 x86_accumulate_outgoing_args, x86_prologue_using_move,
16950 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16951 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16952 Enable for generic.
16953 (x86_use_incdec, x86_pad_returns): New.
16954 (override_options): Add generic32 and generic64, translate "generic"
16955 to generic32/generic64 and "i686" to "generic32", refuse
16956 "generic32"/"generic64" as arch target.
16957 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16958 (ix86_reorg): Honor PAD_RETURNS.
16960 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16962 * tree-pretty-print.c (dump_generic_node): Handle
16963 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16964 * cgraph.c (cgraph_expand_queue): Rename from
16965 cgraph_analyze_queue. Update all users.
16966 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16967 cgraph_expand_queue.
16968 (cgraph_expand_all_functions): Likewise.
16969 (cgraph_finalize_pending_functions): Remove. Update callers.
16971 * tree.h (OMP_DIRECTIVE_P): Define.
16972 (OMP_PARALLEL_FN): Define.
16973 (OMP_PARALLEL_DATA_ARG): Define.
16974 (OMP_SECTIONS_SECTIONS): Define.
16975 * tree-pass.h (pass_expand_omp): Declare.
16976 * omp-low.c (struct omp_region): Declare.
16977 (struct omp_context): Remove fields 'parallel_type',
16978 'parallel_start_ix' and 'parallel_start_additional_args'.
16980 (struct omp_for_data): Rename from struct expand_omp_for_data.
16981 (omp_regions): New static variable.
16982 (root_omp_region): New static variable.
16983 (find_omp_clause): Make static.
16984 (is_in_combined_parallel_ctx): Remove.
16985 (is_combined_parallel): New.
16986 (extract_omp_for_data): Move earlier in the file.
16987 (workshare_safe_to_combine_p): New.
16988 (get_ws_args_for): New.
16989 (determine_parallel_type): Move earlier in the file.
16990 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16992 (omp_copy_decl): Likewise.
16993 (create_omp_child_function): Likewise.
16994 (lookup_omp_region): New.
16995 (dump_omp_region): New.
16996 (debug_omp_region): New.
16997 (debug_all_omp_regions): New.
16998 (new_omp_region): New.
16999 (scan_omp_parallel): If parallel_nesting_level > 1, the
17000 directive is nested within another parallel directive.
17001 Set OMP_PARALLEL_FN.
17002 (scan_omp_for): Do not try to handle combined parallel+for
17004 Remove FIXME comment.
17005 (scan_omp_nested): Remove.
17006 (scan_omp_1): Do not call scan_omp_nested when
17007 parallel_nesting_level is > 1.
17008 Do not change the DECL_CONTEXT of local variables found.
17009 (lookup_decl_in_outer_ctx): New.
17010 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17011 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17012 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17013 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17014 If CTX is nested, lookup VAR in the outer context when
17015 building copy assignment.
17016 (lower_send_clauses): Rename from expand_send_clauses.
17017 If CTX is nested, lookup VAR in the outer context when
17018 building copy assignments.
17019 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17020 If CTX is nested, lookup VAR in the outer context when
17021 building copy assignments.
17022 (expand_parallel_call): Rename from build_parallel_call.
17023 Handle combined parallel+workshare cases.
17024 Re-implement to emit code into the CFG.
17026 (expand_omp_parallel): Re-implement to emit code into the CFG.
17027 Call move_sese_region_to_fn to outline the sub-graph
17028 containing the parallel region.
17029 (expand_omp_for_1): Remove.
17030 (expand_omp_for_generic): Re-implement to emit code into the
17032 (expand_omp_for_static_nochunk): Likewise.
17033 (expand_omp_for_static_chunk): Likewise.
17034 (expand_omp_for): Likewise.
17035 (expand_omp_sections): Likewise.
17036 (remove_exit_barriers): New.
17037 (expand_omp_synch): New.
17039 (build_omp_regions_1): New.
17040 (build_omp_regions): New.
17041 (execute_expand_omp): New.
17042 (gate_expand_omp): New.
17043 (pass_expand_omp): Define.
17044 (lower_omp_sections): Rename from expand_omp_sections.
17045 Set OMP_SECTIONS_SECTIONS.
17046 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17047 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17048 (lower_omp_single): Rename from expand_omp_simple.
17049 (lower_omp_master): Rename from expand_omp_master.
17050 (lower_omp_ordered): Rename from expand_omp_ordered.
17051 (lower_omp_critical): Rename from expand_omp_critical.
17052 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17053 (lower_omp_for): Re-implement.
17054 (lower_omp_parallel): Re-implement.
17055 (lower_regimplify): Rename from expand_regimplify.
17056 (lower_omp_1): Rename from expand_omp_1.
17057 If there are syntax errors in the program, replace every
17058 OpenMP directive with NOP.
17059 Call lower_omp_* instead of expand_omp_*.
17060 (lower_omp): Rename from expand_omp.
17062 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17063 * tree-gimple.h (enum omp_parallel_type): Remove.
17064 (gimple_boolify): Declare extern.
17065 (find_omp_clause, determine_parallel_type): Remove.
17067 * gimple-low.c (lower_omp_directive): New.
17068 (lower_stmt): Call it.
17069 (record_vars_into): Move from ...
17070 (record_vars): ... here.
17071 Call record_vars_into with current_function_decl.
17073 * gimplify.c (struct gimplify_ctx): Remove fields
17074 combined_pre_p and combined_ctxp. Update users.
17075 (get_formal_tmp_var): Add documentation.
17076 (gimple_boolify): Make extern.
17077 (gimplify_expr_in_ctx): Remove. Update callers.
17078 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17079 will always be a BIND_EXPR.
17080 (gimplify_expr): Handle OMP_RETURN_EXPR.
17081 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17082 (OMP_PARALLEL): Add 3 operands.
17083 (OMP_SECTIONS): Add 1 operand.
17084 (OMP_RETURN_EXPR): Define.
17086 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17087 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17088 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17089 creating a circular free list.
17090 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17092 * tree-flow.h (move_sese_region_to_fn): Declare.
17093 (record_vars_into): Declare.
17094 * tree-cfg.c (make_omp_sections_edges): New.
17095 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17096 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17097 OMP_SECTIONS and OMP_SECTION.
17098 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17099 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17100 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17101 (gather_blocks_in_sese_region): New.
17102 (struct move_stmt_d): Declare.
17103 (move_stmt_r): New.
17104 (move_block_to_fn): New.
17105 (move_sese_region_to_fn): New.
17107 * passes.c (init_optimization_passes): Schedule
17108 pass_expand_omp after pass_init_datastructures.
17110 * tree-ssa-operands.c (get_expr_operands): Handle
17111 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17112 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17114 2006-01-19 Jeff Law <law@redhat.com>
17116 * tree-vrp.c (extract_range_from_assert): Refine the result range
17117 if the variable referenced by the ASSERT_EXPR has a range and
17118 either the tentative result range or the previous range is a
17121 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17123 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17125 2006-01-19 Jan Hubicka <jh@suse.cz>
17127 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17129 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17131 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17132 (expand_compound_operation, expand_field_assignment): Fail if the
17133 bit lengths of an extract operation are out of range.
17134 (make_extraction): Compute wanted_inner_mode based on the position
17135 and length of the extraction. Make it extraction_mode for non-constant
17136 positions, and do not modify offset in that case. When generating a
17137 new MEM, use a mode that can hold the extraction while keeping correct
17138 alignment. Remove code that supported MEMs wrapped by USEs.
17139 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17141 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17143 * config/s390/s390.md ("Y", "y"): New mode attribute.
17144 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17145 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17146 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17147 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17148 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17149 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17150 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17151 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17152 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17153 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17154 "addsi3", "subsi3"): Insn patterns removed.
17155 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17156 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17157 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17158 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17159 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17160 "*sub<mode>3_cconly2"): New insn patterns.
17161 ("addsi3", "subsi3"): New expanders.
17163 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17165 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17166 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17167 existing STMT_VINFO_VECTYPE if available.
17168 (vect_mark_relevant): Add special handling for stmts that are
17169 marked as STMT_VINFO_IN_PATTERN_P.
17170 (vect_analyze_loop): Call vect_pattern_recog.
17171 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17172 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17174 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17175 (vect_recog_func_ptr): New function-pointer type.
17176 * tree-vect-patterns.c: New file.
17177 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17178 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17179 (vect_pattern_recog_1): New functions.
17180 (vect_pattern_recog_funcs): New array of function pointers.
17182 * tree-vectorizer.h (ternary_op): New enum value.
17183 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17184 declaration. Revised documentation. Removed redundant dump prints.
17185 Removed redundant argument. Added support for reduction patterns.
17186 (vectorizable_reduction): Added support for reduction patterns.
17187 (vect_transform_stmt): Added support for patterns.
17189 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17190 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17191 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17192 (expand_widen_pattern_expr): New function.
17193 (init_optabs): Initialize new optabs udot_prod_optab,
17195 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17196 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17197 (expand_widen_pattern_expr): New function declaration.
17198 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17200 * tree-inline.c (estimate_num_insns_1): Added cases for new
17201 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17202 * tree-pretty-print.c (dump_generic_node): Likewise.
17203 (op_prio): Likewise.
17204 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17205 * tree-ssa-operands.c (get_expr_operands): Added case for
17207 * tree-vect-patterns.c (widened_name_p): New function.
17208 (vect_recog_dot_prod_pattern): Added function implementation.
17209 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17210 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17211 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17212 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17214 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17215 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17216 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17217 (init_optabs): Initialize new optabs widen_ssum_optab,
17219 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17220 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17221 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17222 use instead of type of def.
17223 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17224 function implementation.
17225 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17226 widen_ssumv8hi): New.
17228 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17231 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17234 * c-decl.c (add_flexible_array_elts_to_size): New function.
17235 (finish_decl): Use it.
17237 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17239 * diagnostic.h: Include options.h.
17240 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17241 dependancies for diagnostic.h.
17242 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17244 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17246 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17247 (ssa_ro_call_cache_valid): Ditto.
17248 * tree-ssa-alias.c (sort_tags_by_id): New function.
17249 (init_transitive_clobber_worklist): Ditto.
17250 (add_to_worklist): Ditto.
17251 (mark_aliases_call_clobbered): Ditto.
17252 (compute_tag_properties): Ditto.
17253 (set_initial_properties): Ditto.
17254 (compute_call_clobbered): Ditto.
17255 (compute_may_aliases): Call compute_call_clobbered and grouping.
17256 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17257 (compute_flow_insensitive_aliasing): Grouping now happens in our
17259 (setup_pointers_and_addressables): Remove clobbering related code.
17260 (add_may_alias): Ditto.
17261 (replace_may_alias): Ditto.
17262 (get_nmt_for): Ditto.
17263 (create_global_var):
17264 (is_escape_site): Return an escape_type enumeration.
17265 * tree-flow-inline.h (is_call_clobbered): Global var does not
17266 imply call clobbered.
17267 (mark_call_clobbered): Take a reason for marking this. Remove
17268 marking of globalness, and cache invalidation.
17269 (clear_call_clobbered): Remove cache invalidation code.
17270 * tree-dfa.c (dump_variable): If details is on, dump the reason
17272 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17274 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17275 (struct var_ann_d): Ditto.
17276 (enum escape_type): New.
17277 (mark_call_clobbered): Adjust prototype.
17278 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17279 are never call clobbered.
17280 Record reasons for escaping.
17281 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17282 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17283 (ssa_ro_call_cache_valid): Ditto.
17284 (clobbered_v_may_defs): Ditto.
17285 (clobbered_vuses): Ditto.
17286 (ro_call_vuses): Ditto.
17287 (clobber_stats): New.
17288 (init_ssa_operands): Zero out clobber stats.
17289 (fini_ssa_operands): Print out clobber stats.
17290 (get_call_expr_operands): Pass callee fndecl to
17291 add_call_read_ops).
17292 (add_call_clobber_ops): Remove use of cache.
17293 Add use of PURE_CONST information.
17294 (add_call_read_ops): Remove use of cache.
17295 Add use of static not_read information.
17297 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17299 Introduce TLS descriptors for i386 and x86_64.
17300 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17301 (TARGET_ANY_GNU_TLS): New macro.
17302 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17303 (struct machine_function): Add tls_descriptor_call_expanded_p.
17304 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17305 (ix86_current_function_calls_tls_descriptor): Likewise.
17306 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17307 (override_options): Introduce gnu2 tls dialect.
17308 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17310 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17312 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17313 (ix86_init_machine_status): Initialize new field.
17314 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17315 (ix86_tls_module_base): New.
17316 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17317 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17318 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17319 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17320 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17321 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17322 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17323 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17324 * config/i386/predicates.md (tls_modbase_operand): New.
17325 (tp_or_register_operand): New.
17327 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17329 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17330 (look_for_address_of): Ditto.
17331 (ipa_init): Walk the function decls.
17332 (static_execute): Don't set readonly on FUNCTION_DECL's.
17334 2006-01-18 Roger Sayle <roger@eyesopen.com>
17336 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17337 for shifts where the source and destination registers are different.
17339 2006-01-18 Paul Brook <paul@codesourcery.com>
17341 Merge from csl-arm-branch.
17342 2005-03-14 Julian Brown <julian@codesourcery.com>
17343 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17344 (aeabi_llsl): Likewise.
17345 (ashrdi3): Likewise.
17346 (aeabi_lasr): Likewise.
17347 (lshrdi3): Likewise.
17348 (aeabi_llsr): Likewise.
17349 2005-03-10 Julian Brown <julian@codesourcery.com>
17350 * config.gcc: Disable shared libgcc for SymbianOS.
17351 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17353 2006-01-18 DJ Delorie <dj@redhat.com>
17355 * c-pragma.c (handle_pragma_diagnostic): New.
17356 (init_pragma): Register it.
17357 * doc/extend.texi: Document it.
17359 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17360 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17361 (diagnostic_context): Add classify_diagnostic[].
17362 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17363 as errors if they're overridden to DK_WARNING.
17364 (diagnostic_initialize): Initialize classify_diagnostic[].
17365 (diagnostic_set_kind_override): New.
17366 (diagnostic_report_diagnostic): Check for kind changes.
17367 * opts.c (common_handle_option): Take lang_mask. Update callers.
17368 Handle OPT_Werror_.
17369 * common.opt (Werror=): New.
17370 * doc/invoke.texi: Document -Werror=*
17372 2006-01-18 Jeff Law <law@redhat.com>
17374 * tree-vrp.c (test_for_singularity): Correct test for new
17375 min limit. Use operand_equal_p rather than pointer equality
17376 for testing if new min/max values are equal.
17378 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17379 using range information until after propagation and folding.
17381 2006-01-18 Richard Henderson <rth@redhat.com>
17382 Aldy Hernandez <aldyh@redhat.com>
17383 Jakub Jelinek <jakub@redhat.com>
17384 Diego Novillo <dnovillo@redhat.com>
17386 * omp-low.c: New file.
17387 * c-omp.c: New file.
17389 2006-01-18 Richard Henderson <rth@redhat.com>
17390 Jakub Jelinek <jakub@redhat.com>
17391 Diego Novillo <dnovillo@redhat.com>
17393 * doc/invoke.texi: Document -fopenmp.
17394 * tree-dump.h (debug_function): Declare.
17395 * hooks.c (hook_bool_tree_bool_false): New function.
17396 (hook_tree_tree_null): Remove.
17397 (hook_tree_tree_tree_null): New.
17398 * hooks.h: Update to match.
17399 * tree-pretty-print.c (debug_tree_chain): New.
17400 (print_generic_expr): Handle TDF_CHAIN.
17401 (dump_generic_node): Handle BLOCK.
17402 Do not abort with incomplete SWITCH_EXPRs.
17403 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17404 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17405 print space after directive name.
17406 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17407 Handle OMP_MASTER and OMP_ORDERED.
17408 Handle printing of OMP_BODY just in one place, goto
17409 dump_omp_body in the rest of OMP_* nodes that have
17411 Don't handle clause nodes here. Update omp statements to
17412 use dump_omp_clauses.
17413 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17414 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17415 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17416 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17417 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17418 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17419 Adjust output for GOMP_PARALLEL.
17420 (dump_omp_clauses): New.
17421 (print_declaration): Dump DECL_VALUE_EXPR.
17422 (op_symbol_1): Split out of op_symbol.
17423 (dumping_stmts): Remove. Update all users.
17424 * cgraph.c (cgraph_analyze_queue): New.
17425 (cgraph_add_new_function): New.
17426 * cgraph.h (cgraph_analyze_queue): Declare.
17427 (cgraph_add_new_function): Declare.
17428 (cgraph_lower_function): Remove.
17429 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17430 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17431 and TYPE_P nodes in its default clause.
17432 (empty_body_p): New.
17433 (tree_range_check_failed): New.
17434 (build5_stat): New.
17435 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17436 OMP_CLAUSE_REDUCTION_MERGE,
17437 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17438 OMP_CLAUSE_PRIVATE_DEBUG,
17439 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17440 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17441 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17442 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17443 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17444 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17445 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17446 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17447 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17448 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17449 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17450 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17451 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17452 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17453 (TREE_RANGE_CHECK): New.
17454 (empty_body_p): Declare.
17455 (enum omp_clause_default_kind): New.
17456 (build_string_literal): Declare.
17457 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17458 (build5_stat, build5): Declare.
17459 * tree-pass.h (TDF_CHAIN): Define.
17460 * tree-pass.h (PROP_gimple_lomp): Define.
17461 (pass_lower_omp): Declare.
17462 * diagnostic.h (debug_tree_chain): Declare.
17463 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17465 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17466 * builtins.c (build_string_literal): Make extern.
17467 * gcc.c (include_spec_function): New.
17468 (static_spec_functions): Add it.
17469 (main): Move load of libgomp.spec ...
17470 (LINK_COMMAND_SPEC): ... here.
17471 (link_gomp_spec): New.
17472 (static_specs): Include it.
17473 (LINK_COMMAND_SPEC): Add link_gomp.
17474 (GOMP_SELF_SPECS): New.
17475 (driver_self_specs): Include it.
17476 (switch_matches): Don't mark inline.
17477 (main): Load libgomp.spec.
17478 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17479 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17480 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17481 * tree-gimple.h (enum omp_parallel): Declare.
17482 (determine_parallel_type): Declare.
17483 (omp_firstprivatize_variable): Declare.
17484 (omp_reduction_init): Declare.
17485 (diagnose_omp_structured_block_errors): Declare.
17486 (struct walk_stmt_info): Add want_return_expr.
17487 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17488 (find_omp_clause): Declare.
17489 (insert_field_into_struct): Declare.
17490 (struct walk_stmt_info): Move from tree-nested.c
17491 (walk_stmts): Declare.
17492 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17494 * cgraphunit.c (cgraph_lower_function): Make static.
17495 (cgraph_finalize_pending_functions): New.
17496 (cgraph_finalize_function): Call it.
17497 (cgraph_finalize_compilation_unit): Likewise.
17498 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17499 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17500 (BT_FN_UINT_UINT): New.
17501 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17502 DEF_FUNCTION_TYPE_VAR_4): Document.
17503 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17504 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17505 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17506 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17507 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17508 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17509 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17510 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17511 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17512 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17513 into separate files.
17514 (DEF_GOMP_BUILTIN): New.
17515 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17516 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17517 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17518 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17519 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17520 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17521 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17522 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17523 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17524 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17525 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17526 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17527 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17528 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17529 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17530 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17531 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17532 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17533 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17534 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17535 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17536 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17537 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17538 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17539 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17540 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17541 * sync-builtins.def: New file, moved from builtins.def.
17542 * omp-builtins.def: New file, moved from builtins.def.
17543 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17544 * gimple-low.c (lower_function_body): Clear data.
17545 (lower_stmt): Do not handle COMPOUND_EXPR.
17546 Remove call to print_node_brief.
17547 * c-tree.h (c_finish_omp_clauses): New prototype.
17548 (C_DECL_THREADPRIVATE_P): Define.
17549 (lookup_name_no_remap, c_omp_remap_private): Remove
17550 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17551 (check_for_loop_decls): Update decl.
17552 (lookup_name_no_remap, c_omp_remap_private): Declare.
17553 (build_indirect_ref, build_modify_expr, pushdecl,
17554 pushdecl_top_level): Move to c-common.h.
17555 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17556 before the switch, but just in the 2 places that need it.
17557 * c-decl.c (diagnose_mismatched_decls): Do not check for
17558 mismatched thread-local attributes when OLDDECL is marked
17559 threadprivate and NEWDECL has no thread-local attributes.
17560 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17561 (c_gimple_diagnostics_recursively): Rename from
17562 c_warn_unused_result_recursively. Invoke
17563 diagnose_omp_structured_block_errors.
17564 (check_for_loop_decls): Return a singular decl found.
17565 * langhooks.c (lhd_omp_predetermined_sharing): Return
17566 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17567 (lhd_omp_firstprivatize_type_sizes): New.
17568 (lhd_omp_assignment): New.
17569 (lhd_omp_predetermined_sharing): New.
17570 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17571 (struct lang_hooks_for_types): Add
17572 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17573 omp_predetermined_sharing, omp_disregard_value_expr,
17574 omp_private_debug_clause, omp_clause_default_ctor,
17575 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17576 (c_finish_omp_clauses): New.
17577 (c_finish_bc_stmt): Diagnose break within omp for.
17578 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17579 (build_unary_op): Return error_mark after reporting
17581 (build_modify_expr): Likewise.
17582 * gimplify.c: Include optabs.h and pointer-set.h.
17583 (enum gimplify_omp_var_data): Declare.
17584 (struct gimplify_omp_ctx): Declare.
17585 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17587 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17588 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17589 (splay_tree_compare_decl_uid): New.
17590 (new_omp_context): New.
17591 (delete_omp_context): New.
17592 (gimple_add_tmp_var): Call omp_add_variable.
17593 (gimplify_bind_expr): Likewise.
17594 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17595 true, disregard DECL_VALUE_EXPR on the decl if any.
17596 (gimplify_expr_in_ctx): New.
17597 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17598 omp_add_variable, omp_notice_variable, omp_is_private
17599 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17600 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17601 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17602 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17603 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17604 gimplify_omp_atomic): New.
17605 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17606 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17607 OMP_CRITICAL and OMP_ATOMIC.
17608 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17609 * c-pragma.h (enum pragma_kind): Add
17610 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17611 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17612 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17613 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17614 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17615 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17616 PRAGMA_OMP_THREADPRIVATE.
17617 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17618 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17619 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17620 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17621 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17622 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17623 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17624 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17625 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17626 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17627 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17628 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17629 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17631 (struct nesting_info): Add field_map,
17632 suppress_expansion, debug_var_chain.
17633 (create_nesting_tree): Initialize them.
17634 (lookup_field_for_decl): Use field_map.
17635 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17636 (convert_local_omp_clauses): New.
17637 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17638 (walk_body): Split out of walk_function.
17639 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17640 (convert_nonlocal_reference): Handle omp statements.
17641 (convert_local_reference): Likewise.
17642 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17643 (unnest_nesting_tree): New.
17644 (lower_nested_functions): Call it.
17645 (insert_field_into_struct): Make extern.
17646 (struct walk_stmt_info): Move to tree-gimple.h.
17647 (walk_stmts): Make extern.
17648 * omp-builtins.def: New file.
17649 * tree-iterator.c (expr_only): Clarify comment.
17650 * c-common.h (pushdecl_top_level, pushdecl,
17651 build_modify_expr, build_indirect_ref,
17652 c_finish_omp_master, c_finish_omp_critical,
17653 c_finish_omp_ordered, c_finish_omp_barrier,
17654 c_finish_omp_atomic, c_finish_omp_flush,
17655 c_finish_omp_for, c_split_parallel_clauses,
17656 omp_clause_default_kind, c_omp_sharing_predetermined,
17657 c_omp_remap_decl): Declare.
17658 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17659 (OBJS-common): Add omp-low.o.
17660 (c-omp.o, omp-low.o): Add.
17661 (gimplify.o): Add dependency on $(OPTABS_H).
17662 (GTFILES): Add omp-low.c.
17663 (gt-stringpool.h): Add.
17664 * tree-cfg.c (set_bb_for_stmt): Do not update the
17665 block-to-labels map if we are currently expanding to RTL.
17666 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17668 Handle IDENTIFIER_NODE.
17669 (tree_verify_flow_info): Do not ICE when emitting error
17670 messages about invalid labels.
17671 (dump_function_to_file): Reset CFUN before emitting the body
17673 (debug_function): New.
17674 * passes.c (init_optimization_passes): Schedule
17676 * langhooks-def.h (lhd_omp_predetermined_sharing,
17677 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17679 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17680 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17681 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17682 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17683 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17684 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17685 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17686 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17687 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17688 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17689 (LANG_HOOK_DECLS): Use them.
17691 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17692 Richard Henderson <rth@redhat.com>
17693 Jakub Jelinek <jakub@redhat.com>
17694 Diego Novillo <dnovillo@redhat.com>
17696 * c-parser.c (pragma_omp_clause): Define.
17697 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17698 (c_parser_compound_statement): Likewise.
17699 (c_parser_statement): Likewise.
17700 (c_parser_pragma): Handle omp pragmas.
17701 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17702 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17703 (c_parser_omp_clause_name, check_no_duplicate_clause,
17704 c_parser_omp_variable_list,
17705 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17706 c_parser_omp_clause_copyprivate,
17707 c_parser_omp_clause_default,
17708 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17709 c_parser_omp_clause_lastprivate,
17710 c_parser_omp_clause_nowait,
17711 c_parser_omp_clause_num_threads,
17712 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17713 c_parser_omp_clause_reduction,
17714 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17715 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17716 c_parser_omp_atomic, c_parser_omp_barrier,
17717 c_parser_omp_critical, c_parser_omp_flush,
17718 c_parser_omp_for_loop, c_parser_omp_for,
17719 c_parser_omp_master, c_parser_omp_ordered,
17720 c_parser_omp_sections_scope, c_parser_omp_sections,
17721 c_parser_omp_parallel, c_parser_omp_single,
17722 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17723 * c-pragma.c (init_pragma): Do omp pragma registration here.
17724 * c.opt (fopenmp): New flag.
17726 2006-01-18 Eric Christopher <echristo@apple.com>
17728 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17729 * config/darwin.h (GOMP_SELF_SPECS): Define.
17731 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17733 * rtl.h: Remove the prototype for reg_alloc.
17735 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17738 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17739 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17740 sjlj and dwarf2 exception handling.
17741 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17742 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17743 * pa/pa.c (function_value): Treat complex and vector types as
17745 (function_arg): Likewise. Only pass scalar floats in the floating
17746 point argument registers.
17747 * pa/t-slibgcc-dwarf-ver: New file.
17748 * pa/t-slibgcc-sjlj-ver: New file.
17749 * pa/t-slibgcc-elf-ver: Delete file.
17751 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17753 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17754 unlikely_test_section_p test.
17756 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17758 * mode-switching.c (optimize_mode_switching): Make it static.
17759 * basic-block.h: Remove the prototype for
17760 optimize_mode_switching.
17762 * modulo-sched.c (sms_schedule): Make it static.
17763 * rtl.h: Remove the prototype for sms_schedule.
17765 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17766 * rtl.h: Remove the prototype for gcse_after_reload_main.
17768 * reg-stack.c (reg_to_stack): Make it static.
17769 * rtl.h: Remove the prototype for reg_to_stack.
17771 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17773 * rtl.h: Remove the prototypes for regrename_optimize and
17774 copyprop_hardreg_forward.
17776 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17778 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17779 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17780 Test against the appropriate null constant for the mode.
17781 If 'fixup_overlap' is true, swap the operands if they overlap.
17782 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17783 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17784 alpha_split_tmode_pair and adjust for above change.
17785 * config/alpha/alpha.md (movtf_internal): Adjust call to
17786 alpha_split_tfmode_pair and rely on it to swap the operands.
17787 (movti_internal): New insn and post-reload splitter.
17788 (movti): New expander.
17790 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17792 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17795 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17797 * rtlanal.c (global_reg_mentioned_p_1,
17798 global_reg_mentioned_p): Remove.
17799 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17801 * flow.c (initialize_uninitialized_subregs): Make it static.
17802 * rtl.h: Remove the prototype for
17803 initialize_uninitialized_subregs.
17805 * function.c (instantiate_virtual_regs): Make it static.
17806 * function.h: Remove the prototype for
17807 instantiate_virtual_regs.
17809 * regmove.c (regmove_optimize, combine_stack_adjustments):
17811 * rtl.h: Remove the prototypes for regmove_optimize and
17812 combine_stack_adjustments.
17814 2006-01-17 Roger Sayle <roger@eyesopen.com>
17816 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17817 (size_cost): Encode costs in bytes so that a reg-reg addition is
17818 equivalent to COSTS_N_INSNS(1).
17819 (override_options): Use the size_cost.branch_cost as the default
17820 ix86_branch_cost when optimizing for size.
17822 2006-01-18 Ben Elliston <bje@au.ibm.com>
17824 * Makefile.in (D32PBIT_FUNCS): New.
17825 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17826 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17827 D64PBIT_FUNCS and D128PBIT_FUNCS.
17828 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17829 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17831 (decnumber_dep): Define.
17832 * doc/libgcc.texi (Decimal float library routines): New node.
17833 * config/dfp-bit.h, config/dfp-bit.c: New files.
17835 2006-01-18 Ben Elliston <bje@au.ibm.com>
17837 * expr.c (emit_move_change_mode): Always adjust addresses, not
17838 just during reload. Copy replacements only during reload.
17839 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17840 emit_move_via_integer.
17842 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17844 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17845 instead of $(srcdir) and ${srcdir}.
17847 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17850 PR middle-end/11135
17851 * arm.h (struct machine_function): Add pic_reg.
17852 * arm.c (arm_pic_register): Make unsigned.
17853 (arm_override_options): Only set arm_pic_register if
17854 TARGET_SINGLE_PIC_BASE.
17855 (use_return_insn): Only test for a pic register if it is fixed.
17856 (arm_compute_save_reg0_reg12_mask): Likewise.
17857 (thumb_compute_save_reg_mask): Likewise.
17858 (legitimate_pic_operand): Factor out some known invariants.
17859 (legitimize_pic_address): If we don't have a fixed pic register,
17860 then set up a pseudo in the function entry sequence. Handle the
17861 pic base being in a pseudo.
17862 (arm_load_pic_register): Handle the pic register being in a pseudo.
17863 (arm_expand_prologue): Only set up the pic register if it is fixed.
17864 (thumb_expand_prologue): Likewise.
17865 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17866 (pic_load_addr_based_insn): Likewise.
17867 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17870 2006-01-18 Ben Elliston <bje@au.ibm.com>
17872 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17873 decimal float modes for all floating point registers.
17875 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17876 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17878 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17881 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17882 even when the pointer is not NULL.
17884 2006-01-16 Ian Lance Taylor <ian@airs.com>
17886 * common.opt (ftoplevel-reorder): New option.
17887 * cgraph.c (cgraph_asm_nodes): New global variable.
17888 (cgraph_asm_last_node): New static variable.
17889 (cgraph_order): New global variable.
17890 (cgraph_create_node): Set new order field.
17891 (cgraph_varpool_node): Likewise.
17892 (decide_is_variable_needed): Return true if not
17893 flag_toplevel_reorder.
17894 (cgraph_add_asm_node): New function.
17895 * cgraph.h (struct cgraph_node): Add order field.
17896 (struct cgraph_varpool_node): Add order field.
17897 (struct cgraph_asm_node): Define.
17898 (cgraph_asm_nodes, cgraph_order): Declare.
17899 (cgraph_add_asm_node): Declare.
17900 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17902 (cgraph_varpool_assemble_pending_decls): Call it.
17903 (cgraph_output_pending_asms): New static function.
17904 (cgraph_finalize_compilation_unit): Call it.
17905 (struct cgraph_order_sort): Define.
17906 (cgraph_output_in_order): New static function.
17907 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17908 !flag_toplevel_reorder case.
17909 * c-parser.c: Include "cgraph.h".
17910 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17912 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17913 than -fno-unit-at-a-time.
17914 * doc/invoke.texi (Option Summary): Mention
17915 -fno-toplevel-reorder.
17916 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17917 -funit-at-a-time documentation.
17919 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17920 Kazu Hirata <kazu@codesourcery.com>
17922 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17924 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17926 * Makefile.in (FUNCTION_H): New. Use it instead of
17927 function.h throughout the file.
17928 * function.h: Include tree.h.
17930 2006-01-17 Ben Elliston <bje@au.ibm.com>
17932 * recog.c: Separate some functions with whitespace.
17934 2006-01-16 Richard Henderson <rth@redhat.com>
17936 Merge from gomp branch:
17937 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17938 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17939 and rename from struct inline_data. Rename callee* to dst*;
17940 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17941 transform_new_cfg, transform_return_to_modify, and
17942 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17944 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17945 (copy_decl_for_dup): Remove.
17946 * tree-inline.c (struct inline_data): Move to header.
17947 (insert_decl_map): Export.
17948 (remap_decl): Update for member name changes. Use copy_decl hook.
17949 Allow for replacement to be a non-decl. Remove dead code.
17950 (remap_type_1): Check for existing mapping.
17951 (remap_type): Export.
17952 (remap_decls): Update for member name changes.
17953 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17954 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17955 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17956 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17957 (tree_function_versioning, build_duplicate_type): Likewise.
17958 (copy_body_r): Likewise. Export.
17959 (copy_decl_for_dup): Split into ...
17960 (copy_decl_for_dup_finish, copy_decl_to_var,
17961 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17962 (replace_ref_tree, inlining_p): Remove.
17964 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17966 * ifcvt.c (if_convert): Make it static.
17967 * rtl.h: Remove the prototype for if_convert.
17969 * local-alloc.c (local_alloc): Make it static.
17970 * rtl.h: Remove the prototype for local_alloc.
17972 * loop.c (loop_optimize): Make it static.
17973 * cfgloop.h: Remove the prototype for loop_optimize.
17976 2006-01-16 DJ Delorie <dj@redhat.com>
17978 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17981 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17983 * pa.md: Disparage copies between general and floating-point registers
17984 in 32-bit move patterns.
17986 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17989 * Makefile.in (check-%): Depend on site.exp instead of
17990 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17993 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17995 * global.c (global_alloc): Make it static.
17996 * rtl.h: Remove the prototype for global_alloc.
17998 2006-01-16 Richard Guenther <rguenther@suse.de>
18000 * tree-ssa-alias.c (struct used_part): Add write_only field.
18001 (get_or_create_used_part_for): Initialize it to true.
18002 (create_overlap_variables_for): Don't create structure variables
18003 for structures that only are written to.
18004 (find_used_portions): Handle MODIFY_EXPR to track whether a
18005 structure is only written to.
18007 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18009 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18011 * basic-block.h: Remove the prototype for
18012 partition_hot_cold_basic_blocks.
18014 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18016 * cppspec.c (lang_specific_spec_functions): Remove.
18017 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18018 * gcc.h (lang_specific_spec_functions): Remove.
18019 * gccspec.c (lang_specific_spec_functions): Remove.
18021 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18023 * combine.c (record_value_for_reg): Invalidate registers
18025 (record_dead_and_set_regs_1): Likewise, by passing them to
18026 record_value_for_reg.
18027 (record_dead_and_set_regs): Invalidate stores made by a
18028 call. We do not combine across a call, but we still
18029 relied on equivalences.
18031 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18033 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18034 vrp_int_const_binop returning non-constant nodes.
18036 2006-01-16 Paul Brook <paul@codesourcery.com>
18038 * config/m68k/m68k.c (output_move_const_into_data_reg):
18039 Output correct mnemonic for mvz and mvs.
18041 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18043 * rtl-factoring.c: Add sequence abstraction algorithm.
18044 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18045 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18047 (block_has_preserve_label): New function.
18048 * common.opt: Register new pass.
18049 * Makefile.in: Ditto.
18051 * timevar.def: Ditto.
18052 * tree-pass.h: Ditto.
18053 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18054 * rtl.h (make_jump_insn_raw): Add forward decl.
18055 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18057 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18058 Roger Sayle <roger@eyesopen.com>
18060 * fold-const.c (fold_minmax): New static function.
18061 (fold_binary) <MIN_EXPR>: Call it.
18062 <MAX_EXPR>: Likewise.
18063 * stor-layout.c (place_field): Use DECL_SIZE consistently
18064 in the computation of the new record size.
18066 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18068 * cse.c (cse_condition_code_reg): Make it static.
18069 * rtl.h: Remove the prototype for cse_condition_code_reg.
18071 * combine.c (combine_instructions): Make it static.
18072 * rtl.h: Remove the prototype for combine_instructions.
18074 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18077 * tree.c (get_file_function_name_long): Concatenate the first global
18078 object name with a string derived from the input filename of the object
18081 2006-01-16 Ben Elliston <bje@au.ibm.com>
18083 * config/i386/winnt-stubs.c: Update FSF address.
18084 * config/xtensa/ieee754-df.S: Ditto.
18085 * config/xtensa/ieee754-sf.S: Ditto.
18087 2006-01-14 Ian Lance Taylor <ian@airs.com>
18089 * ifcvt.c (noce_init_if_info): New static function, broken out of
18090 noce_process_if_block.
18091 (noce_process_if_block): Call noce_init_if_info.
18092 (check_cond_move_block): New static function.
18093 (cond_move_process_if_block): New static function.
18094 (process_if_block): Call cond_move_process_if_block.
18096 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18098 * cselib.c (hash_table): Rename to cselib_hash_table.
18099 (cselib_clear_table, discard_useless_values,
18100 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18101 cselib_init, cselib_finish): Adjust uses of hash_table.
18103 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18105 PR tree-optimization/25485
18106 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18107 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18108 is known to be false and true, respectively.
18110 2006-01-14 Richard Guenther <rguenther@suse.de>
18112 PR tree-optimization/22548
18113 PR tree-optimization/22555
18114 PR tree-optimization/22501
18115 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18116 * params.def (salias-max-array-elements): New parameter.
18117 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18118 * doc/invoke.texi (salias-max-array-elements): Document.
18119 * tree-flow-inline.h (var_can_have_subvars): We also handle
18121 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18123 * tree-ssa-structalias.c (params.h): Include.
18124 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18125 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18126 (get_constraint_for): For ADDR_EXPR operating on something
18127 containing an ARRAY_REF, add all subvars to the solution.
18128 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18129 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18130 for creating MUST_DEFs.
18131 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18133 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18135 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18137 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18138 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18139 number_of_iterations_le): New functions.
18140 (number_of_iterations_special): Removed.
18141 (number_of_iterations_exit): Do not use number_of_iterations_special.
18142 * tree.c (unsigned_type_for): Always return integer type.
18144 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18145 Richard Guenther <rguenther@suse.de>
18147 PR rtl-optimization/24257
18148 * gcse.c (find_moveable_store): Only consider a store movable
18149 when the SET_SRC of the insn can be assigned to a register.
18151 2006-01-14 Ian Lance Taylor <ian@airs.com>
18153 * tree.c (tree_not_class_check_failed): New function.
18154 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18155 (tree_not_class_check_failed): Declare.
18157 2006-01-13 Ian Lance Taylor <ian@airs.com>
18159 * reload1.c (do_output_reload): Add assertion rejecting a
18162 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18164 * combine.c (struct reg_stat): Add new fields truncation_label and
18166 (record_value_for_reg): Reset truncated_to_mode.
18167 (record_truncated_value): New function.
18168 (check_promoted_subreg): Call it. Rename to check_conversions.
18169 (combine_instructions): Rename check_promoted_subreg to
18171 (reg_truncated_to_mode): New function.
18172 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18173 (gen_lowpart_or_truncate): New function.
18174 (force_to_mode): Use it instead of gen_lowpart.
18176 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18178 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18179 VAR is a tag, not its type tag.
18181 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18183 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18184 alternatives to match style of other entries.
18185 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18187 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18189 PR tree-optimization/25771
18190 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18193 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18196 * tree-inline.c (declare_return_variable): If the return variable
18197 was marked as a non gimple complex, set the return slot variable
18198 to be a non gimple comple variable.
18200 2006-01-13 Richard Guenther <rguenther@suse.de>
18202 * builtins.c (expand_builtin_sincos): New function.
18203 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18205 (expand_builtin): Expand sincos using expand_builtin_sincos.
18207 2006-01-12 DJ Delorie <dj@redhat.com>
18209 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18210 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18211 so that constant shifts can be split.
18212 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18213 (m32c_valid_pointer_mode): Make static.
18214 (shift_gen_func_for): New.
18215 (m32c_prepare_shift): Use it. Split large const shifts into
18217 * config/m32c/predicates.md (shiftcount_operand): Allow more
18219 (longshiftcount_operand): New.
18220 * doc/md.texi (Machine Constraints): Document In6.
18222 2006-01-13 Ben Elliston <bje@au.ibm.com>
18224 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18225 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18228 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18230 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18231 to try to avoid clobbering pieces of structures when we know
18232 something about the whole structure.
18233 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18235 2006-01-13 Ben Elliston <bje@au.ibm.com>
18237 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18238 return in memory, as this is no limitation is no longer present.
18240 2006-01-12 DJ Delorie <dj@redhat.com>
18242 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18243 mova with fb, and for fb+0 -> An.
18245 * config/m32c/mov.md (peephole2): Fix enabling logic.
18247 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18248 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18249 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18250 FINI_ARRAY_SECTION_ASM_OP): Define.
18252 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18254 (m32c_legitimize_reload_address): New logic to reload FB to An.
18255 (m32c_output_reg_push): Add newline.
18256 (m32c_output_reg_pop): Likewise.
18258 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18260 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18262 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18264 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18266 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18268 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18271 2006-01-11 Ben Elliston <bje@au.ibm.com>
18273 * rtlanal.c (find_reg_note): Assert insn is not null.
18275 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18277 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18280 2006-01-11 Jeff Law <law@redhat.com>
18282 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18284 (mark_threaded_blocks, register_jump_thread): New functions.
18285 (thread_through_all_blocks): Remove unwanted argument. No
18286 longer rely on e->aux to communicate thread target info.
18287 Call mark_threaded_blocks. Release the threaded_blocks
18288 bitmap and threaded_edges vector when complete.
18289 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18290 (threaded_blocks): Remove.
18291 (tree_ssa_dominator_optimize): Remove initialization and
18292 finalization of threaded_blocks. Simplify call to
18293 thread_through_all_blocks.
18294 (thread_across_edge): Call register_jump_thread rather than
18295 storing thread information into e->aux.
18296 (free_all_edge_infos): Simplify now that e->aux is no longer
18297 used to communicate with thread_through_all_blocks.
18298 * tree-flow.h (thread_through_all_blocks): Update prototype.
18299 (register_jump_thread): Prototype.
18301 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18303 * df-core.c (df_compact_blocks, df_bb_replace): Use
18304 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18306 2006-01-11 Richard Guenther <rguenther@suse.de>
18308 PR tree-optimization/25734
18309 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18310 stop propagation after successful propagation to the LHS.
18312 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18314 * basic-block.h (control_flow_graph): Change the type of
18315 x_basic_block_info to VEC(basic_block,gc) *.
18316 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18318 (SET_BASIC_BLOCK): New.
18319 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18320 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18321 * cfgbuild.c (find_basic_blocks): Likewise.
18322 * cfglayout.c (fixup_reorder_chain): Likewise.
18323 * cfgrtl.c (create_basic_block_structure,
18324 rtl_create_basic_block): Likewise.
18325 * ifcvt.c (find_if_case_1): Likewise.
18326 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18329 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18331 * Makefile.in: Removed rotted odf.c entry.
18333 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18336 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18337 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18338 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18339 output pattern modifier, not %e.
18340 * config/cris/cris.c (cris_op_str): Update comment about pattern
18342 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18343 before falling through into...
18344 <case 'E'>: Redefined from old 'e' case.
18346 2006-01-11 Jan Hubicka <jh@suse.cz>
18349 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18351 2006-01-11 Jan Hubicka <jh@suse.cz>
18353 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18354 * i386.c (x86_decompose_lea): Kill.
18355 (ix86_rtx_costs): Kill.
18357 2006-01-11 Jan Hubicka <jh@suse.cz>
18359 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18360 * cgraph.h (cgraph_node): Add inline_decl.
18361 (cgraph_insert_node_to_hashtable): Declare.
18362 (save_inline_function_body): Declare.
18363 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18365 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18366 (cgraph_function_versioning): Update call of tree_function_versioning.
18367 (save_inline_function_body): New function.
18368 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18369 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18370 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18371 (cgraph_default_inline_p): Likewise.
18372 (cgraph_decide_inlining_incrementally): Likewise.
18373 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18374 (copy_bb): Kill saving; do updating of clones.
18375 (copy_cfg_body): Kill saving.
18376 (initialize_inlined-parameters): Likewise.
18377 (expand_call_inline): Likewise.
18379 (tree_function_versioning): New parameter "update_clones".
18380 (inlining_p): Kill saving.
18381 * tree-inline.h (tree_function_versioning): Update prototype.
18382 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18385 2006-01-11 Ian Lance Taylor <ian@airs.com>
18387 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18388 Allow undoing set of machine mode.
18389 (do_SUBST): Use enums instead of is_int.
18390 (do_SUBST_MODE): New function.
18391 (SUBST_MODE): New macro.
18392 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18393 reg and trying to replace reg_regno_rtx with a new register.
18394 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18395 (simplify_set): Use SUBST_MODE.
18396 (distribute_notes): Remove code that tried to update reg notes
18397 for regno_reg_rtx changes.
18399 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18401 PR tree-optimization/23109
18402 PR tree-optimization/23948
18403 PR tree-optimization/24123
18405 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18406 * tree-cfg.c (single_noncomplex_succ): New.
18407 * tree-flow.h (single_noncomplex_succ): Declare it.
18408 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18409 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18410 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18411 insert_bb, register_division_in, insert_reciprocals,
18412 replace_reciprocal, free_bb): New.
18413 (execute_cse_reciprocals_1): Rewritten.
18414 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18415 Do not commit any edge insertion. Always compute dominators and
18416 create the allocation pool.
18417 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18418 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18419 * targhooks.c (default_min_divistions_for_recip_mul): New.
18420 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18421 * passes.c (init_optimization_passes): Run recip after tree loop
18423 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18425 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18426 Kenneth Zadeck <zadeck@naturalbridge.com>
18428 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18429 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18430 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18431 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18432 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18433 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18434 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18435 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18436 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18437 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18438 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18439 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18440 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18441 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18442 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18443 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18444 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18445 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18446 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18447 DF_SCAN_POST_ALLOC): New macros.
18448 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18449 df_free_bb_function, df_local_compute_function, df_init_function,
18450 df_dataflow_function, df_confluence_function_0,
18451 df_confluence_function_n, df_transfer_function,
18452 df_finalizer_function, df_free_function, df_dump_problem_function,
18453 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18454 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18455 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18456 df_urec_bb_info, ) New types.
18457 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18459 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18460 df_analyze_simple_change_some_blocks,
18461 df_analyze_simple_change_one_block, df_compact_blocks,
18462 df_bb_replace, df_bb_regno_last_use_find,
18463 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18464 df_insn_regno_def_p, df_find_def, df_find_use,
18465 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18466 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18467 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18468 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18469 debug_df_chain, df_get_dependent_problem, df_chain_create,
18470 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18471 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18472 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18473 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18474 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18475 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18476 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18477 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18478 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18479 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18480 df_reorganize_refs, df_set_state, df_hard_reg_init,
18481 df_read_modify_subreg_p) New public functions.
18482 * df-core.c: The core dataflow solver and glue routines for rtl
18484 (df_init, df_add_problem, df_set_blocks, df_finish,
18485 df_hybrid_search_forward, df_hybrid_search_backward,
18486 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18487 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18488 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18489 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18490 df_reg_defined, df_find_use, df_reg_used, df_dump,
18491 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18492 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18493 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18494 debug_df_useno, reset_df_after_reload): New functions.
18495 * df-scan.c: The scanning fuctions, once in df.c, completely
18496 rewritten so that they now fully model the functionality of
18497 register usage at the backend.
18498 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18499 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18500 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18501 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18502 df_get_artificial_defs, df_get_artificial_uses,
18503 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18504 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18505 df_refs_delete, df_reorganize_refs, df_set_state,
18506 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18507 df_def_record_1, df_defs_record, df_uses_record,
18508 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18509 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18510 df_record_exit_block_uses, df_hard_reg_init): New functions.
18512 * df-problems.c: Seven concrete dataflow problems that use the
18513 scanning in df-scan.c and are solved by the engine in df-core.c.
18514 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18515 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18516 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18517 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18518 df_ru_free_bb_info, df_ru_alloc,
18519 df_ru_bb_local_compute_process_def,
18520 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18521 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18522 df_ru_transfer_function, df_ru_free, df_ru_dump,
18523 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18524 df_rd_free_bb_info, df_rd_alloc,
18525 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18526 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18527 df_rd_transfer_function, df_rd_free, df_rd_dump,
18528 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18529 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18530 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18531 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18532 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18533 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18534 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18535 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18536 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18537 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18538 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18539 df_urec_mark_reg_use_for_earlyclobber,
18540 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18541 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18542 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18543 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18544 df_chain_create_bb_process_use, df_chain_create_bb,
18545 df_chain_finalize, df_chain_free, df_chains_dump,
18546 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18547 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18548 df_reg_lifetime): New functions.
18549 * df.c: Deleted file.
18550 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18551 consistent with new df api.
18552 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18553 rest_of_handle_sms): Ditto.
18554 * web.c (unionfind_union, union_defs, entry_register, web_main):
18556 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18557 invariant_expr_equal_p, find_defs, check_dependencies,
18558 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18559 free_inv_motion_data, move_loop_invariants): Ditto.
18560 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18561 Update dependencies.
18562 (odf.c): Added defective entry that was deleted later in day.
18563 * sched-deps.c (sched_analyze_1): Ditto.
18565 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18567 * tree-ssa-operands.c (get_expr_operands): Record addressable
18568 variables directly. Do not call add_stmt_operands for CONST_DECLs
18570 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18571 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18573 2006-01-11 Ben Elliston <bje@au.ibm.com>
18575 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18576 function returns true in the positive case.
18578 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18581 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18582 for SI, DI, SF and DF modes. Add alternatives to copy between
18583 general and floating point registers to the 32-bit patterns.
18584 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18585 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18586 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18587 generating 64-bit code.
18588 * config/pa/pa.c (output_move_double): Handle copies between general
18589 and floating registers.
18591 2006-01-10 Stuart Hastings <stuart@apple.com>
18593 * config/i386/i386.md (set_got): Update.
18594 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18595 (builtin_setjmp_receiver): Mach-O support.
18596 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18597 (GOT_SYMBOL_NAME): Define.
18598 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18599 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18600 * config/i386/i386.c (override_options): Revise for Darwin.
18601 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18602 support. (darwin_x86_file_end): New. (output_set_got): Add label
18603 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18604 * config/i386/i386-protos.h (output_set_got): Likewise.
18605 * config/darwin.c (machopic_legitimize_pic_address): Update
18608 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18610 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18611 when MODE isn't BLKmode.
18613 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18615 PR rtl-optimization/25367
18616 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18618 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18621 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18622 for a negative bound.
18624 2006-01-10 Richard Guenther <rguenther@suse.de>
18626 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18627 Never override with anything constraint.
18629 2006-01-10 Jan Beulich <jbeulich@novell.com>
18631 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18632 256 bits when optimize_size.
18634 2006-01-10 Jan Beulich <jbeulich@novell.com>
18636 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18638 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18639 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18642 2006-01-10 Ben Elliston <bje@au.ibm.com>
18644 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18646 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18647 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18648 (USE_FP_FOR_ARG): Reject decimal float modes.
18649 (function_arg_advance): Likewise.
18650 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18651 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18652 point types in AltiVec vectors.
18653 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18654 (rs6000_libcall_value): Likewise.
18656 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18658 * config/xtensa/ieee754-df.S: New file.
18659 * config/xtensa/ieee754-sf.S: New file.
18660 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18661 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18662 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18664 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18666 * config/sh/predicates.md (binary_float_operator,
18667 binary_logical_operator, commutative_float_operator,
18668 equality_comparison_operator, greater_comparison_operator,
18669 less_comparison_operator, logical_operator,
18670 noncommutative_float_operator, shift_operator,
18671 symbol_ref_operand, unary_float_operator): Remove redundant
18674 2006-01-09 Jeff Law <law@redhat.com>
18676 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18677 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18678 now unused arguments. Callers updated.
18679 (eliminate_redundant_computations): Remove now unused arguments,
18681 (local_fold): Remove, no longer used.
18682 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18684 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18685 (simplify_cond): New function.
18686 (forward_propagate_into_cond): Call simplify_cond.
18688 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18690 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18691 (*vec_extractv2di_1_sse): New.
18693 2006-01-09 Ben Elliston <bje@au.ibm.com>
18695 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18697 2006-01-08 Richard Guenther <rguenther@suse.de>
18699 * tree-ssa-structalias.c (get_constraint_for): Remove
18700 anyoffset argument.
18701 (get_constraint_for_component_ref): Likewise.
18702 (do_deref): Likewise.
18703 (get_constraint_for): Likewise.
18704 (do_structure_copy): Likewise.
18705 (handle_ptr_arith): Likewise.
18706 (find_func_aliases): Likewise. Remove unused need_anyoffset
18709 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18710 Kaz Kojima <kkojima@gcc.gnu.org>
18712 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18713 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18714 (EXTRA_CONSTRAINT_C16): Remove.
18715 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18716 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18717 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18718 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18719 constants of SHmedia. Handle nested constant expressions of
18721 (andcosts): Fix the costs for SHmedia constants.
18722 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18723 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18724 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18725 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18726 (movv4hi_i, movv2si_i): Likewise.
18727 (movsi_const): Adjust the second operand of ior so to match with
18728 the Csu constraint.
18729 (movdi_const, movdi_const_32bit): Likewise.
18730 (movdi_const_16bit+1): Don't sign-extend LOW.
18731 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18733 (*double_shori): Fix the split condition. Use GEN_INT instead
18734 of get_int_mode calls. Mask lower 16-bit of the argument of
18736 (sym2GOTPLT): Remove.
18737 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18739 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18740 instead of EXTRA_CONSTRAINT_C16.
18742 2006-01-07 Ian Lance Taylor <ian@airs.com>
18743 David Edelsohn <edelsohn@gnu.org>
18745 PR rtl-optimization/25662
18746 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18747 for constant operands instead of simplify_gen_binary.
18748 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18749 after trying simplify_binary_operation
18751 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18753 * tree.c (iterative_hash_expr): Hash decls based on UID.
18755 2006-01-06 Eric Christopher <echristo@apple.com>
18757 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18758 (TARGET_UNWIND_EMIT): Fix spelling.
18759 * target.h (gcc_target): Add except_table_label.
18760 * except.c (output_function_exception_table): Use.
18761 * varasm.c (default_emit_except_table_label): New.
18762 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18764 (asm_out): Add here.
18765 * output.h (default_emit_except_table_label): Prototype.
18766 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18767 * config/darwin.c (darwin_emit_except_table_label): Define.
18768 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18770 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18772 PR tree-optimization/18527
18773 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18774 number_of_iterations_special, number_of_iterations_exit):
18775 Move base and step of an iv to a single structure. Add
18776 no_overflow flag, and use it in # of iterations analysis.
18777 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18778 folded_casts argument.
18779 (simple_iv): Pass base and step in a structure. Set no_overflow
18781 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18782 Evaluate expensiveness of computing # of iterations instead of
18783 the final expression.
18784 * tree-scalar-evolution.h (affine_iv): New structure.
18785 (simple_iv): Declaration changed.
18786 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18787 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18788 find_givs_in_stmt): Changed due to simple_iv change.
18790 2006-01-06 Jeff Law <law@redhat.com>
18793 * tree-cfg.c (bsi_replace): Rename final argument from
18794 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18795 change (stmt -> orig_stmt).
18796 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18797 (bsi_remove): Add new argument. Remove EH information
18799 (verify_eh_throw_table_statements): New function.
18800 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18802 * tree-optimize.c (execute_free_cfg_annotations): Verify
18803 the EH throw statement table after removing annotations.
18804 * except.h (verify_eh_throw_table_statements): Prototype.
18805 * tree-flow.h (bsi_remove): Update prototype.
18806 * tree-vrp.c (remove_range_assertions): Add new argument to
18808 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18809 * tree-complex.c (expand_complex_div_wide): Likewise.
18810 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18811 * tree-tailcall.c (eliminate_tailcall): Likewise.
18812 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18813 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18814 * tree-nrv.c (tree_nrv): Likewise.
18815 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18816 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18817 (combine_blocks): Likewise.
18818 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18819 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18820 (cleanup_control_flow): Likewise.
18821 (remove_forwarder_block): Likewise.
18822 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18823 * tree-sra.c (sra_replace): Likewise.
18824 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18825 (forward_propagate_single_use_vars): Likewise.
18826 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18827 * tree-inline.c (expand_call_inline): Likewise.
18828 * tree-vect-transform.c (vect_transform_loop): Likewise.
18829 * tree-outof-ssa.c (rewrite_trees): Likewise.
18830 * tree-cfg.c (make_goto_expr_edges): Likewise.
18831 (cleanup_dead_labels): Likewise.
18832 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18833 (bsi_move_before, bsi_move_after): Likewise.
18834 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18835 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18837 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18840 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18842 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18843 on non gimple variables. Also add checks at the top for decls and
18845 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18847 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18848 and IMAGPART_EXPR for creating MUST_DEFs.
18849 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18850 and NAME_MEMORY_TAG separately from the DECLs.
18852 2006-01-06 Richard Guenther <rguenther@suse.de>
18854 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18855 annotation, if necessary.
18856 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18857 redundant calls to update_stmt.
18858 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18861 2006-01-05 Richard Henderson <rth@redhat.com>
18863 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18865 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18867 * c-typeck.c: Update copyright date.
18869 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18871 * c-typeck.c (build_c_cast): Always warn when casting
18872 from a pointer to an integer of different size, even if
18873 the node was constant.
18875 2006-01-05 Richard Guenther <rguenther@suse.de>
18877 PR tree-optimization/22555
18878 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18879 if one structure field is an array.
18880 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18881 operands even if we found a subvar, but ignore VOPs in this
18883 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18885 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18887 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18889 PR middle-end/24998
18890 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18892 2006-01-05 Richard Guenther <rguenther@suse.de>
18893 Diego Novillo <dnovillo@redhat.com>
18895 * tree-pass.h (TODO_remove_unused_locals): Define.
18896 * gimple-low.c (expand_var_p, remove_useless_vars,
18897 pass_remove_useless_vars): Remove. Update all users.
18898 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18899 (remove_unused_locals): New function.
18900 * tree-flow.h (remove_unused_locals): Declare.
18901 * passes.c (execute_todo): Call remove_unused_locals if
18902 TODO_remove_unused_locals is set.
18903 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18904 * tree-ssa-dce.c (pass_dce): Likewise.
18905 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18907 2006-01-05 Richard Guenther <rguenther@suse.de>
18909 * tree-flow.h (struct fieldoff): Decompose field to
18910 type, size and decl.
18911 * tree-ssa-alias.c (create_sft): Take type as parameter.
18912 (create_overlap_variables_for): Store type, size and decl
18913 in the fieldoff structure.
18914 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18915 of struct fieldoff.
18916 (push_fields_onto_fieldstack): Likewise.
18917 (create_variable_info_for): Likewise. Use offset for the
18918 SFT name if the decl is not available.
18920 2006-01-04 Paul Brook <paul@codesourcery.com>
18922 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18924 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18926 * lambda-code.c (can_put_in_inner_loop): Relax
18928 (can_put_after_inner_loop): New function.
18929 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18930 (perfect_nestify): Change to make copies and modify uses.
18932 2006-01-04 Richard Henderson <rth@redhat.com>
18934 Merge from gomp branch:
18935 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18936 via integer constant.
18937 (pragma_lex): Remove.
18938 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18939 rather than parsing it.
18940 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18941 handle_pragma_extern_prefix): Add %< %> quotes.
18942 (registered_pragmas): New.
18943 (c_register_pragma_1): New.
18944 (c_register_pragma): Use it.
18945 (c_register_pragma_with_expansion): Likewise.
18946 (c_invoke_pragma_handler): New.
18947 (init_pragma): Use cpp_register_deferred_pragma directly for
18949 * c-pragma.h (enum pragma_kind): New.
18950 (pragma_handler): New.
18951 (c_invoke_pragma_handler): Declare.
18952 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18954 * c-common.h (c_common_pch_pragma): Update decl.
18955 * Makefile.in (c-parser.o): Update dependencies.
18956 (GTFILES): Add c-pragma.h.
18957 * c-parser.c (struct c_token): Add pragma_kind.
18958 (struct c_parser): Add in_pragma.
18959 (c_lex_one_token): Always initialize keyword and pragma_kind.
18960 Extract data for CPP_PRAGMA.
18961 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18962 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18963 Don't allow CPP_PRAGMA_EOL if in_pragma.
18964 (c_parser_consume_pragma): New.
18965 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18966 (c_parser_skip_to_end_of_parameter): Likewise.
18967 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18968 (c_parser_skip_to_pragma_eol): New.
18969 (c_parser_external_declaration): Handle CPP_PRAGMA.
18970 (c_parser_compound_statement_nostart): Likewise.
18971 (c_parser_statement_after_labels): Likewise.
18972 (c_parser_pragma): New.
18973 (pragma_lex): Likewise.
18974 (c_parser_pragma_pch_preprocess): New.
18975 (c_parser_new): Merge into ...
18976 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18978 2006-01-04 Jeff Law <law@redhat.com>
18981 * tree-cfg.c (bsi_replace): Remove the original statement
18982 from the EH throw statement table.
18984 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18986 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18987 make the prototype extern "C" and add throw ().
18990 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18991 and pos non-negative and pos + len <= 32.
18992 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18993 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18994 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18997 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18998 as well as sizes not multiple of component size.
19001 * function.c (instantiate_expr): New function.
19002 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19003 walk its DECL_VALUE_EXPR with instantiate_expr.
19005 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19006 DW_OP_deref{,_size} if address isn't going to be added.
19008 2006-01-04 Ben Elliston <bje@au.ibm.com>
19010 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19011 * config/fp-bit.c: Likewise.
19013 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19015 * dominance.c: Add comment about why we use DFS numbering
19018 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19019 Richard Henderson <rth@redhat.com>
19021 Merge from gomp-branch:
19022 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19023 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19025 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19027 PR rtl-optimization/25578
19028 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19029 pass a parameter to simplify_shift_const if changing ASHIFTRT
19032 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19034 * builtins.c (get_builtin_sync_mem): New function.
19035 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19036 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19037 Call get_builtin_sync_mem to generate mem rtx.
19039 2006-01-03 Richard Guenther <rguenther@suse.de>
19042 * stmt.c (add_case_node): Make sure to clear overflow flags
19045 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19047 Merge from gomp-branch.
19048 * config/sparc/sync.md: New file.
19049 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19050 UNSPECV_LDSTUB): New constants.
19051 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19052 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19053 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19056 2006-01-03 Roger Sayle <roger@eyesopen.com>
19058 * combine.c (reg_subword_p): New predicate to test whether the
19059 destination of a set refers to a subword/piece of a register.
19060 (try_combine): Generalize the code to merge the setting of a
19061 pseudo to a constant followed by a set of a subword of that
19062 register to a constant.
19064 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19066 * basic-block.h (control_flow_graph): Change the type of
19067 x_label_to_block_map to VEC(basic_block,gc) *.
19068 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19069 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19071 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19072 VEC(basic_block,heap) *.
19073 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19074 ssa_prop_fini): Adjust the uses of cfg_blocks.
19076 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19078 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19080 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19081 hashing trees instead of a pointer hash.
19082 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19083 compare for MEM_EXPR.
19085 PR rtl-optimization/25130
19086 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19087 when comparing MEMs for GCSE
19089 2006-01-03 Ben Elliston <bje@au.ibm.com>
19091 * targhooks.h (default_decimal_float_supported_p): Declare.
19092 * targhooks.c (default_decimal_float_supported_p): Define.
19093 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19094 `default_decimal_float_supported_p'.
19095 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19097 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19099 * combine.c (apply_distributive_law <SUBREG>): Check
19100 TRULY_NOOP_TRUNCATION.
19102 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19104 * dwarf2out.c (have_switched_text_section): Delete.
19105 (have_multiple_function_sections): New.
19106 (have_location_lists): Make 'bool'.
19107 (add_AT_loc_list): Use 'true' not '1'.
19108 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19109 (output_loc_list): Use have_multiple_function_sections.
19110 (output_ranges): Likewise.
19111 (dwarf2out_begin_function): Set have_multiple_function_sections if
19113 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19114 Check function_section rather than DECL_SECTION_NAME.
19115 (dwarf2out_finish): Use have_multiple_function_sections.
19116 Don't clear have_location_lists.
19118 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19119 Jan Hubicka <jh@suse.cz>
19121 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19122 case of conditional jump jumping to the next instruction.
19123 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19124 cases of conditional jump jumping to the next instruction.
19126 2006-01-02 Jan Hubicka <jh@suse.cz>
19128 * i386.c (*_cost): Add COSTS_N_INSNS.
19129 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19131 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19134 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19136 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19138 * config/arm/arm.c (all_fpus): Fix comment typo.
19139 * config/darwin.c: Likewise.
19140 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19141 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19142 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19144 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19146 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19147 (rs6000_split_compare_and_swapqhi): New.
19148 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19149 (sync_compare_and_swapqhi_internal): New.
19150 * config/rs6000/rs6000-protos.h: Declare.