1 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2 Russell Olsen <Russell_Olsen@playstation.sony.com>
3 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
5 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
6 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
7 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
9 * config.gcc : Add target for SPU.
10 * config/spu/constraints.md : New file.
11 * config/spu/crt0.c : New file.
12 * config/spu/crtend.c : New file.
13 * config/spu/crti.asm : New file.
14 * config/spu/crtn.asm : New file.
15 * config/spu/float_unsdidf.c : New file.
16 * config/spu/float_unssidf.c : New file.
17 * config/spu/predicates.md : New file.
18 * config/spu/spu-builtins.def : New file.
19 * config/spu/spu-builtins.h : New file.
20 * config/spu/spu-builtins.md : New file.
21 * config/spu/spu-c.c : New file.
22 * config/spu/spu-elf.h : New file.
23 * config/spu/spu-modes.def : New file.
24 * config/spu/spu-protos.h : New file.
25 * config/spu/spu.c : New file.
26 * config/spu/spu.h : New file.
27 * config/spu/spu.md : New file.
28 * config/spu/spu.opt : New file.
29 * config/spu/spu_internals.h : New file.
30 * config/spu/spu_intrinsics.h : New file.
31 * config/spu/spu_mfcio.h : New file.
32 * config/spu/t-spu-elf : New file.
33 * config/spu/vec_types.h : New file.
34 * config/spu/vmx2spu.h : New file.
35 * doc/contrib.texi : Document SPU contributor.
36 * doc/extend.texi : Document SPU extensions.
37 * doc/invoke.texi : Document SPU options.
38 * doc/md.texi : Document SPU constraints.
40 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
42 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
44 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
46 (flow_loop_dump): Do not dump loop level.
47 (flow_loops_find): Do not call flow_loops_level_compute.
48 * cfgloop.h (struct loop): Remove level field.
50 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
52 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
53 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
54 Use vector of edges instead of array.
55 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
56 estimate_numbers_of_iterations_loop): Ditto.
57 * predict.c (predict_loops): Ditto.
58 * loop-unroll.c (analyze_insns_in_loop): Ditto.
59 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
61 * basic-block.h: Declare heap allocation for edge vectors.
62 * tree-outof-ssa.c: Ditto.
63 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
64 * cfgloop.h (get_loop_exit_edges): Declaration changed.
66 2006-11-20 Zack Weinberg <zackw@panix.com>
68 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
69 Add another out parameter, "skip".
70 (set_gc_used_type): Adjust calls to process_gc_options. If a field
71 is tagged "skip", do not mark its type used.
73 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
76 * tree-sra.c (single_scalar_field_in_record_p): New function.
77 (decide_block_copy): Use it.
79 2006-11-20 David Daney <ddaney@avtrex.com>
81 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
82 PC to point to following instruction.
84 2006-11-20 Anatoly Sokolov <aesok@post.ru>
88 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
90 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
92 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
94 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
95 Add sh/superh.h to tm_file.
97 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
98 Mark Mitchell <mark@codesourcery.com>
100 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
102 (cpp_relocated): New function.
103 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
105 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
106 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
107 replace configured prefix with gcc_exec_prefix.
109 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
111 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
112 bfin_legitimate_constant_p.
113 * config/bfin/bfin.md (movsi expander): Check return value of
115 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
116 (expand_move): Adjust prototype.
117 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
118 invalid constants specially.
119 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
121 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
123 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
124 sibcall_value_symbol): Allow these patterns if
125 TARGET_LEAF_ID_SHARED_LIBRARY.
126 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
127 (override_options): Turn on id shared library flags if -msep-data,
128 but disallow the combination of these options on the command line.
129 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
130 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
131 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
133 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
134 * doc/invoke.texi (Blackfin Options): Document new switches.
136 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
137 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
139 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
140 inflate costs for addresses with an out-of-bounds address.
142 2006-11-19 Andrew Pinski <pinskia@gmail.com>
145 * fwprop.c (loops): Remove.
146 (forward_propagate_into): Use current_loops instead of
148 (fwprop_init): Call loop_optimizer_init instead of
150 (fwprop_done): Call loop_optimizer_finalize instead of
152 (fwprop): Use current_loops instead of loops.
154 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
157 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
159 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
162 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
163 larger than BITS_PER_WORD.
165 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
169 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
170 to MAX_FIXED_MODE_SIZE.
172 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
174 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
175 (fold_builtin_fmin_fmax): New.
176 (fold_builtin_1): Use it.
178 * fold-const.c (fold_strip_sign_ops): Handle copysign.
180 2006-11-18 Richard Guenther <rguenther@suse.de>
182 * config/i386/i386.c (ix86_builtins): New array for ix86
183 builtin function decls.
184 (def_builtin): New function.
185 (def_builtin_const): Likewise.
186 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
188 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
190 * doc/invoke.texi (core2): Add item.
192 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
194 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
195 (TARGET_CPU_DEFAULT_generic): Change value.
196 (TARGET_CPU_DEFAULT_NAMES): Add core2.
197 (processor_type): Add new constant PROCESSOR_CORE2.
199 * config/i386/i386.md (cpu): Add core2.
201 * config/i386/i386.c (core2_cost): New initialized variable.
202 (m_CORE2): New macro.
203 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
204 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
205 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
206 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
207 x86_partial_reg_dependency, x86_memory_mismatch_stall,
208 x86_accumulate_outgoing_args, x86_prologue_using_move,
209 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
210 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
211 x86_use_incdec, x86_four_jump_limit, x86_schedule,
212 x86_pad_returns): Add m_CORE2.
213 (override_options): Add entries for Core2.
214 (ix86_issue_rate): Add case for Core2.
216 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
218 * doc/invoke.texi: Fix mno-isel typo.
220 2006-11-18 Joseph Myers <joseph@codesourcery.com>
222 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
223 easy vector constant loads.
225 2006-11-18 Joseph Myers <joseph@codesourcery.com>
227 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
228 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
229 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
230 * config/rs6000/sync.md (lwsync): Emit plain sync if
233 2006-11-17 DJ Delorie <dj@redhat.com>
235 * reload1.c (reloads_unique_chain): New.
236 (reloads_conflict): Call it.
238 2006-11-17 Bob Wilson <bob.wilson@acm.org>
240 * config/xtensa/predicates.md (addsubx_operand): New.
241 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
242 (xtensa_emit_bit_branch): New.
243 (xtensa_emit_movcc): New.
244 * config/xtensa/xtensa.md (any_minmax): New code macro.
245 (minmax): New code attribute.
246 (any_cond, any_scc, any_scc_sf): New code macros.
247 (*addx2, *addx4, *addx8): Delete.
249 (*subx2, *subx4, *subx8): Delete.
251 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
252 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
253 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
254 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
255 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
256 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
257 (movsfcc_internal0, movsfcc_internal1): Likewise.
258 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
259 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
260 (xtensa_emit_bit_branch): New.
261 (xtensa_emit_movcc): New.
262 (function_arg_boundary): Add missing prototype.
264 2006-11-17 Bob Wilson <bob.wilson@acm.org>
266 * config/xtensa/xtensa.md (tstsi): Delete
268 2006-11-17 Bob Wilson <bob.wilson@acm.org>
270 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
272 2006-11-17 Bob Wilson <bob.wilson@acm.org>
274 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
276 2006-11-17 Bob Wilson <bob.wilson@acm.org>
278 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
280 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
282 * tree-vrp.c (execute_vrp): Do not update current_loops.
283 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
284 * doc/loop.texi: Remove documentation for cancelled functions.
285 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
286 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
288 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
289 (remove_path): Ensure that in delete_basic_blocks, the loops
291 (add_loop): Work on valid loop structures.
292 (loopify): Modify call of add_loop.
293 (mfb_update_loops): Removed.
294 (create_preheader): Do not update loops explicitly.
295 (force_single_succ_latches, loop_version): Do not use
296 loop_split_edge_with.
297 (loop_split_edge_with): Removed.
298 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
299 Do not use bsi_insert_on_edge_immediate_loop.
300 (split_loop_exit_edge, tree_unroll_loop): Do not use
301 loop_split_edge_with.
302 (bsi_insert_on_edge_immediate_loop): Removed.
303 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
304 use loop_split_edge_with.
305 * cfghooks.c: Include cfgloop.h.
306 (verify_flow_info): Verify that loop_father is filled iff current_loops
308 (redirect_edge_and_branch_force, split_block, delete_basic_block,
309 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
311 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
313 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
314 loop_split_edge_with.
315 (sms_schedule): Use current_loops.
316 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
317 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
319 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
320 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
321 * ifcvt.c (if_convert): Ditto.
322 * predict.c (predict_loops): Do not clear current_loops.
323 (tree_estimate_probability): Use current_loops.
324 (propagate_freq): Receive head of the region to propagate instead of
326 (estimate_loops_at_level): Do not use shared to_visit bitmap.
327 (estimate_loops): New function. Handle case current_loops == NULL.
328 (estimate_bb_frequencies): Do not allocate tovisit. Use
330 * tree-ssa-loop.c (current_loops): Removed.
331 (tree_loop_optimizer_init): Do not return loops.
332 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
333 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
334 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
335 Do not update loops explicitly.
336 * function.h (struct function): Add x_current_loops field.
337 (current_loops): New macro.
338 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
339 * loop-unroll.c (split_edge_and_insert): New function.
340 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
341 use loop_split_edge_with.
342 * loop-doloop.c (add_test, doloop_modify): Ditto.
343 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
344 * cfglayout.c (copy_bbs): Do not update loops explicitly.
345 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
346 * tree-vect-transform.c (vect_transform_loop): Do not update loops
348 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
349 (flow_loops_free): Do not free dfs_order and rc_order.
350 (flow_loops_find): Do not set dfs_order and rc_order in loops
351 structure. Do not call loops and flow info verification.
352 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
353 already belongs to some loop.
354 * cfgloop.h (struct loops): Remove struct cfg.
355 (current_loops, loop_split_edge_with): Declaration removed.
356 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
357 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
359 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
360 * basic-block.h (split_edge_and_insert): Declare.
361 * tree-cfg.c (remove_bb): Do not update loops explicitly.
363 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
365 PR tree-optimization/29801
366 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
367 (get_default_value): Use get_symbol_constant_value.
368 (set_lattice_value): ICE when the value of the constant is
370 (visit_assignment): Ignore VDEFs of read-only variables.
372 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
374 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
376 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
377 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
379 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
381 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
382 select subvars of var.
384 2006-11-17 Jakub Jelinek <jakub@redhat.com>
387 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
388 optimize if DEF doesn't have integral type.
390 2006-11-16 Mike Stump <mrs@apple.com>
392 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
393 pre-darwin9 system, unless the user asks for it directly.
394 (PREFERRED_DEBUGGING_TYPE): Likewise.
395 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
396 * config.gcc: Add suppport for darwin9.h.
397 * config/darwin9.h: Add.
398 * doc/install.texi (Specific): Clarify darwin documentation.
400 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
402 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
405 2006-11-16 Mike Stump <mrs@apple.com>
407 * Makefile.in (targhooks.o): Add $(OPTABS_H).
409 2006-11-16 Dirk Mueller <dmueller@suse.de>
411 * tree-vrp.c (get_value_range): Use XCNEW instead
413 (insert_range_assertions): Use XCNEWVEC instead
414 of XNEWVEC and memset.
415 (vrp_initialize): Same.
416 (vrp_finalize): Same.
417 * tree-ssa-ccp.c (ccp_initialize): Same.
418 * predict.c (tree_bb_level_predictions): Same.
419 * calls.c (expand_call): Same.
420 * tree-ssa-copy.c (init_copy_prop): Same.
421 (fini_copy_prop): Same.
422 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
423 of GGC_NEW and memset.
425 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
428 * gimplify.c (gimplify_expr): Only force a load for references to
429 non-BLKmode volatile values.
430 * doc/implement-c.texi (Qualifiers implementation): Document the
431 interpretation of what a volatile access is.
432 * doc/extend.texi (C++ Extensions): Rework same documentation.
434 2006-11-16 Joseph Myers <joseph@codesourcery.com>
436 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
439 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
441 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
443 (arm_neg_abssi2): Renamed from neg_abssi2.
444 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
446 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
448 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
449 number of arguments passed to local functions in SSE registers is 3.
451 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
452 number of arguments passed in SSE registers to 3.
454 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
457 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
459 (get_last_bb_insn): ... new global function.
460 (basic_block.h): Declare it.
461 * haifa-sched.c (create_recovery_block): Use it.
463 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
466 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
468 2006-11-15 Paul Brook <paul@codesourcery.com>
470 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
471 _Unwind_GetTextRelBase): Move from here ...
472 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
473 _Unwind_GetTextRelBase): ... To here.
475 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
477 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
478 addresses we generate for testing are aligned.
480 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
483 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
484 to what is the const decl is a place holder for.
486 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
488 * config/i386/i386.opt: New target option -mx87regparm.
490 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
491 and float_in_x87 variables. mmx_words, sse_words: Remove.
492 (X87_REGPARM_MAX): Define.
494 * config/i386/i386.c (override_options): Error out for
495 -mx87regparm but no 80387 support.
496 (ix86_attribute_table): Add x87regparm.
497 (ix86_handle_cconv_attribute): Update comments for x87regparm.
498 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
499 (ix86_function_x87regparm): New function.
500 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
502 (init_cumulative_args): Initialize x87_nregs and float_in_x87
504 (function_arg_advance): Process x87_nregs and x87_regno when
505 floating point argument is to be passed in 80387 register.
506 (function_arg): Pass XFmode arguments in 80387 registers for local
507 functions. Pass SFmode and DFmode arguments to local functions
508 in 80387 registers when flag_unsafe_math_optimizations is set.
510 * reg-stack.c (convert_regs_entry): Disable NaN load for
511 stack registers that are used for argument passing.
513 * doc/extend.texi: Document x87regparm function attribute.
514 * doc/invoke.texi: Document -mx87regparm.
516 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
518 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
519 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
520 arg MODE; all callers changed. Use it to determine validity per
521 machine mode instead of using Pmode for all memory references.
522 (get_address_cost): Likewise add and use new arg MEM_MODE.
524 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
525 J"orn Rennecke <joern.rennecke@st.com>
527 * combine.c (likely_spilled_retval_1): Fix masking operation.
528 (likely_spilled_retval_p): Use proper pattern for call to
529 likely_spilled_retval_1.
531 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
533 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
535 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
536 that tests for CONSTANT_POOL_ADDRESS_P.
538 2006-11-15 Jakub Jelinek <jakub@redhat.com>
540 PR tree-optimization/29581
541 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
542 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
543 type is different between Y and USE, create a temporary
544 variable, initialize it at the beginning of the body bb
545 and use it as replacement instead of Y.
547 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
550 * gimplify.c (fold_indirect_ref_rhs): Use
551 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
553 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
555 * expmed.c (emit_store_flag_1): New function.
556 (emit_store_flag): Call it. If we can't find a suitable scc insn,
558 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
559 Use do_compare_rtx_and_jump.
560 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
561 * arm.md (cstoresi4): New define_expand.
562 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
563 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
564 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
566 2006-11-14 Caroline Tice <ctice@apple.com>
568 * dwarf2out.c (debug_pubtypes_section): New static global variable.
569 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
571 (pubname_table): Redefine as a vector.
572 (pubtype_table): New static global variable, defined as a vector.
573 (pubname_table_allocated): Remove static global variable.
574 (pubname_table_in_use): Remove static global variable.
575 (PUBNAME_TABLE_INCREMENT): Remove constant.
576 (size_of_pubnames): Add parameter to deal with either pubnames or
577 pubtypes, and change code to deal with table being a vector.
578 (add_pubname): Change to deal with table being a vector.
579 (add_pubtype): New function.
580 (output_pubnames): Add parameter to deal with either pubnames or
581 pubtypes, and change code to deal with table being a vector.
582 (gen_array_type_die): Add call to add_pubtype.
583 (gen_enumeration_type_die): Add call to add_pubtype.
584 (gen_struct_or_union_type_die): Add call to add_pubtype.
585 (gen_subroutine_type_die): Add call to add_pubtype.
586 (gen_typedef_die): Add call to add_pubtype.
587 (dwarf2out_init): Add code to initialize pubname_table and
588 pubtype_table vectors; also initialize debug_pubtypes_section.
589 (prune_unused_types): Change to deal with pubnames being a vector.
590 (dwarf2out_finish): Change to deal with pubnames being a vector; add
591 pubnames table to call to output_pubnames; Add code to output pubtypes
592 table if DEBUG_PUBTYPES_SECTION is defined.
593 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
595 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
597 2006-11-14 Joseph Myers <joseph@codesourcery.com>
599 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
600 iwmmxt_nregs if TARGET_IWMMXT_ABI.
601 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
602 movv2si_internal): Support moves between core registers.
604 2006-11-14 Eric Christopher <echristo@apple.com>
606 * configure: Regenerate with autoconf 2.59.
608 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
610 Fix PR tree-optimization/27755
612 * tree-ssa-pre.c: Update comments.
613 (bb_bitmap_sets): Add pa_in and deferred member.
614 (BB_DEFERRED): New macro.
615 (maximal_set): New variable.
616 (pre_stats): Add pa_insert member.
617 (bitmap_set_and): Short circuit orig == dest.
618 (bitmap_set_subtract_values): New function.
619 (bitmap_set_contains_expr): Ditto.
620 (translate_vuses_through_block): Add phiblock argument.
621 (dependent_clean): New function.
622 (compute_antic_aux): Update for maximal_set changes.
623 (compute_partial_antic_aux): New function.
624 (compute_antic): Handle partial anticipation.
625 (do_partial_partial_insertion): New function.
626 (insert_aux): Handle partial anticipation.
627 (add_to_sets): Add to maximal set.
628 (compute_avail): Ditto.
629 (init_pre): Initialize maximal_set.
630 (execute_pre): Do partial anticipation if -O3+.
632 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
634 PR rtl-optimization/29798
636 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
637 TARGET_INSN before any other check.
638 (fwprop_init): Always calculate dominators.
639 (fwprop_done): Always free them.
641 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
643 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
646 2006-11-13 DJ Delorie <dj@redhat.com>
648 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
649 temporary for intermediates.
651 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
653 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
654 (sh_optimize_target_register_callee_saved): #if 0 the code
655 using NOTE_INSN_LOOP_{BEG,END}.
657 2006-11-13 Roger Sayle <roger@eyesopen.com>
659 * fold-const.c (optimize_bit_field_compare): Recursively call
660 fold when simplifying non-constant comparisons between bit-fields.
662 2006-11-13 Jakub Jelinek <jakub@redhat.com>
664 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
666 * configure: Rebuilt.
668 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
670 * config/rs6000/cell.md: New file.
671 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
673 (ppccell_cost): New cost matrix.
674 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
675 (rs6000_override_options): Set rs6000_always_hint to false
676 for cell. Also align functions/lables/loops to 8byte
677 for the Cell. Use PROCESSOR_CELL.
678 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
680 (rs6000_variable_issue): If the insn is a nonpipelined instruction
681 on the Cell, return 0.
682 (rs6000_adjust_cost): Add Cell cost adjustments.
683 (is_microcoded_insn): Return true for Cell microcoded
685 (is_nonpipeline_insn): New function.
686 (rs6000_issue_rate): Add PROCESSOR_CELL.
687 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
689 (rs6000_use_sched_lookahead_guard): New function.
690 (rs6000_sched_reorder): Reorder the ready list, if the second
691 to last ready insn is a nonepipeline insn on the Cell.
692 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
693 (ASM_CPU_SPEC): Add Cell.
694 * config/rs6000/rs6000.md (cpu): Add Cell.
695 (cell_micro): New Attr.
698 2006-11-13 Jakub Jelinek <jakub@redhat.com>
700 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
702 * configure: Rebuilt.
704 2006-11-13 Richard Guenther <rguenther@suse.de>
706 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
708 (ix86_expand_lfloorceil): Likewise.
709 (ix86_expand_rint): Likewise.
710 (ix86_expand_floorceildf_32): Likewise.
711 (ix86_expand_floorceil): Likewise.
712 (ix86_expand_rounddf_32): Likewise.
713 (ix86_expand_truncdf_32): Likewise.
714 (ix86_expand_round): Likewise.
716 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
717 Mark Mitchell <mark@codesourcery.com>
719 * gcc.c: Organize search path variables into $prefix relative,
720 and well-known native. Add comments.
721 (add_sysrooted_prefix): Add comment.
722 (process_command): If !gcc_exec_prefix add $prefix based paths.
723 If *cross_compile == '0', add native well-known paths.
724 Assert tooldir_base_prefix is always relative.
725 (main): If print_search_dirs, and if gcc_exec_prefix is set,
726 use this value for 'install:' path.
727 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
729 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
731 * config/i386/i386.c: Fix a typo in comment.
733 2006-11-13 Michael Matz <matz@suse.de>
735 * genemit.c (gen_expand): Allocate enough memory.
737 2006-11-13 Joseph Myers <joseph@codesourcery.com>
739 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
740 __GXX_TYPEINFO_EQUALITY_INLINE but not
741 __GXX_MERGED_TYPEINFO_NAMES.
742 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
743 __GXX_MERGED_TYPEINFO_NAMES.
744 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
745 __GXX_TYPEINFO_EQUALITY_INLINE.
747 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
748 Zdenek Dvorak <dvorakz@suse.cz>
750 PR tree-optimization/29680
751 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
754 2006-11-12 Jason Merrill <jason@redhat.com>
755 Andrew Pinski <pinskia@physics.uc.edu>
758 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
760 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
762 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
763 * tree.c (build_vector): Handle non-_CST elements.
765 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
767 * genemit.c (gen_insn): Call gen_exp with a non-null used
768 when handling multiple insns.
769 (gen_expand): Likewise.
770 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
771 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
772 (movsi_const_16bit+1): Copy operands[1].
773 (call_pcrel): Copy the call_site pattern.
774 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
776 2006-11-12 Roger Sayle <roger@eyesopen.com>
778 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
779 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
780 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
781 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
783 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
785 Fix PR tree-optimization/29587
786 * tree-ssa-structalias.c (process_constraint): Don't
787 mark address taken due only to escaped vars constraint.
789 2006-11-12 Michael Matz <matz@suse.de>
790 Roger Sayle <roger@eyesopen.com>
792 PR rtl-optimization/29797
793 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
794 BITS_BIG_ENDIAN targets.
796 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
798 * builtins.c (fold_builtin_cosh): New.
799 (fold_builtin_1): Use it.
800 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
801 trunc to the list of "odd" functions. Also add llrint, lrint,
802 rint and nearbyint when flag_rounding_math is false.
804 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
806 * tree-flow.h (name_mappings_registered_p): Declare.
807 * tree-into-ssa.c (name_mappings_registered_p): New function.
808 * tree-cfg.c (tree_can_merge_blocks_p): Check
809 name_mappings_registered_p instead of need_ssa_update_p.
811 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
813 * tree-ssa-loop.c (tree_vectorize): Return the result of
815 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
817 * tree-vectorizer.h (vectorize_loops): Declaration removed.
818 * tree-flow.h (vectorize_loops): Declaration changed.
820 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
822 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
824 (issue_prefetch_ref): Move assignment to write_p out of loop.
825 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
826 SIMULTANEOUS_PREFETCHES into account.
827 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
828 * lambda-code.c (lcm): Renamed to ...
829 (least_common_multiple): ... and exported.
830 * tree-flow.h (least_common_multiple): Declare.
832 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
834 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
835 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
836 ud-chains. Handle AND_EXPR.
837 (record_estimate): Record whether the estimate is realistic
838 and whether it is derived from a loop exit.
839 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
840 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
842 (compute_estimated_nb_iterations): Take only realistic bounds into
843 account. Set estimate_state. Use double_ints.
844 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
845 and infer_loop_bounds_from_signedness. Do not consider basic blocks
846 that do not have to be always executed.
847 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
848 to determine whether to call infer_loop_bounds_from_undefined
849 and compute_estimated_nb_iterations.
850 (n_of_executions_at_most): Use double_ints.
851 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
852 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
853 * double-int.c (double_int_to_tree): Improve comment.
854 (double_int_fits_to_tree_p): New function.
855 * double-int.h (double_int_fits_to_tree_p): Declare.
856 * tree-data-ref.c: Include langhooks.h.
857 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
858 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
859 (analyze_array): Do not pass estimate_only argument to
860 analyze_array_indexes.
861 (get_number_of_iters_for_loop): Build tree from the stored double_int
863 (get_references_in_stmt, find_data_references_in_stmt): New functions.
864 (find_data_references_in_loop): Use find_data_references_in_stmt.
865 * tree-data-ref.h (struct data_ref_loc_d): New.
866 (get_references_in_stmt): Declare.
867 (estimate_iters_using_array): Declaration removed.
868 * cfgloop.h (struct nb_iter_bound): Change type of bound to
869 double_int. Improve comments. Add is_exit and realistic
871 (struct loop): Changed type of estimated_nb_iterations to double_int.
872 Added estimate_state field.
873 (record_estimate): Declaration removed.
875 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
877 * params.c (set_param_value): Initialize the "set" field.
878 * params.h (struct param_info): Add "set" field.
879 (PARAM_SET_P): New macro.
880 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
881 L1_CACHE_LINE_SIZE): New macros.
882 * toplev.c (DEFPARAM): Initialize the "set" field.
883 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
884 SIMULTANEOUS_PREFETCHES): Removed.
885 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
886 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
887 * config/sparc/sparc.c: Include params.h.
888 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
889 L1_CACHE_LINE_SIZE parameters.
890 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
892 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
894 * config/i386/i386.c: Include params.h.
895 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
896 (override_options): Set SIMULTANEOUS_PREFETCHES and
897 L1_CACHE_LINE_SIZE parameters.
898 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
899 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
900 L1_CACHE_LINE_SIZE parameters.
901 * config/ia64/ia64.c (ia64_optimization_options): Set
902 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
903 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
905 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
906 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
907 * doc/invoke.texi: Document new params.
909 2006-11-12 Roger Sayle <roger@eyesopen.com>
911 PR tree-optimization/13827
912 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
915 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
917 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
918 update_single_exit_for_duplicated_loops): New functions.
919 (duplicate_loop_to_header_edge): Use
920 update_single_exit_for_duplicated_loops.
921 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
922 functions only with ENABLE_CHECKING.
924 2006-11-12 Andreas Schwab <schwab@suse.de>
926 * except.c (sjlj_emit_function_enter): Remove unused variable.
928 2006-11-11 Roger Sayle <roger@eyesopen.com>
930 * fold-const.c (int_binop_types_match_p): New function.
931 (size_binop): Relax constraint that both arguments must both have
932 exactly the same sizetype type. Instead use int_binop_types_match_p.
933 (size_diffop): Likewise.
935 (make_range): Use build_int_cst instead of fold_convert.
936 (fold_cond_expr_with_comparison): Use build_int_cst to construct
937 integer constants of the correct type.
938 (fold_div_compare): Likewise.
939 (fold_single_bit_test): Likewise.
940 (fold_binary): Likewise.
941 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
942 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
944 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
947 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
948 non null value if the struct memory access is in the 0th
951 2006-11-12 Jie Zhang <jie.zhang@analog.com>
954 2006-11-11 Jie Zhang <jie.zhang@analog.com>
955 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
958 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
959 instead of builtin_define for bfin and BFIN.
961 2006-11-11 Jie Zhang <jie.zhang@analog.com>
963 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
966 2006-11-11 Jan Hubicka <jh@suse.cz>
968 * extended.texi (__builtin_expect): We no longer require second argument
970 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
971 * builtins.c (expand_builtin_expect): Simplify.
972 (expand_builtin_expect_jump): Kill.
973 * final.c (final_scan_insn): Do not skip the removed notes.
974 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
975 EXPECTED_VALUE): Remove.
976 * dojump.c (do_jump): Do not care about __builtin_expect.
977 * predict.c (expected_value_to_br_prob): Kill.
978 * function.c (expand_function_end): Do not expand
979 NOTE_INSN_REPEATED_LINE_NUMBER.
980 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
981 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
982 * cfgexpand.c (add_reg_br_prob_note): Export.
983 * cfgcleanup.c (rest_of_handle_jump2): Do not call
984 expected_value_to_br_prob.
985 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
986 * rtl.h (add_reg_br_prob_note): Declare.
988 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
990 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
992 2006-11-11 Jan Hubicka <jh@suse.cz>
994 * predict.c (predict_loops): Kill RTL variant.
996 2006-11-11 Jan Hubicka <jh@suse.cz>
998 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
999 * modulo-sched.c (find_line_note): Remove.
1000 (loop_canon_p): Do not worry about line number notes.
1001 (sms_schedule): Likewise.
1002 * cse.c (cse_main): Likewise.
1003 * regmove.c (fixup_match_1): Likewise
1004 * function.c (emit_return_info_block): Likewise.
1005 (expand_function_end): Likewise.
1006 (thread_prologue_an_epilogue_insns): Likewise.
1007 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1009 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1010 emit_note_copy_after): Kill.
1011 (emit_note_copy): Do not worry about line numbers.
1012 * jump.c (purge_line_number_notes): Kill.
1013 (pass_purge_lineno_notes): Kill.
1014 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1016 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1017 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1018 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1019 * tree-pass.h (pass_purge_lineno_notes): Kill.
1020 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1021 rm_redundant_line_notes.
1022 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1023 rm_redundant_line_notes.
1024 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1025 * haifa-sched.c: Update comment about handling notes.
1026 (unlink_line_notes): Kill.
1027 (rm_line_notes): Kill.
1028 (save_line_notes): Simplify.
1029 (rm_redundant_line_notes): Kill.
1031 2006-11-11 Richard Guenther <rguenther@suse.de>
1033 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1034 Remove unused tree codes.
1035 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1036 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1037 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1038 * tree.c (stabilize_reference): Likewise.
1039 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1040 fold_unary): Likewise.
1041 * tree-gimple.c (is_gimple_cast): Likewise.
1042 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1043 * expr.c (expand_expr_real_1): Likewise.
1044 * tree-eh.c (tree_could_trap_p): Likewise.
1045 * gimplify.c (gimplify_expr): Likewise.
1046 * tree-inline.c (estimate_num_insns_1): Likewise.
1047 * tree-cfg.c (verify_expr): Likewise.
1049 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1051 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1052 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1053 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1055 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1058 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1059 constraints accept neither registers or memories.
1061 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1063 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1064 (NO_PROFILE_COUNTERS): Define as 1.
1066 2006-11-10 Roger Sayle <roger@eyesopen.com>
1068 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1069 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1071 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1073 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1075 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1077 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1078 (fold_builtin_hypot): Likewise.
1079 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1081 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1083 2006-11-10 Roger Sayle <roger@eyesopen.com>
1085 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1086 when attempting to build INTEGER_CSTs of non-integral types.
1087 * expmed.c (make_tree): Use the correct type, i.e. the inner
1088 type, when constructing the individual elements of a CONST_VECTOR.
1090 2006-11-10 Jan Hubicka <jh@suse.cz>
1092 * cse.c (cse_process_notes): Copy the propagated value.
1093 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1095 * gcse.c (try_replace_reg): Copy the replacement.
1096 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1097 (assign_386_stack_local): Always return copied memory expression
1098 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1101 2006-11-10 Jan Hubicka <jh@suse.cz>
1103 * final.c (final): Walk from first instruction.
1104 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1106 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1109 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1111 (umulv8hi3_highpart): Ditto.
1112 (vec_widen_smult_hi_v8hi): New expander.
1113 (vec_widen_smult_lo_v8hi): Ditto.
1115 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1118 * builtins.c (do_mpfr_arg3): New.
1119 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1121 2006-11-09 Eric Christopher <echristo@apple.com>
1126 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1127 * config.gcc (powerpc64-*-darwin*): New target.
1128 * config.host: Ditto.
1129 * config/rs6000/darwin64.h: New file.
1130 * config/rs6000/x-darwin64: Ditto.
1131 * config/rs6000/host-ppc64-darwin.c: Ditto.
1133 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1135 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1136 routines for integer division.
1138 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1140 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1142 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1145 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1147 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1149 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1150 simplify_subreg with BLKmode outer mode.
1152 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1154 * doc/invoke.texi: Minor formatting fixes in option lists.
1156 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1158 PR tree-optimization/29738
1159 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1160 (ccp_lattice_t): Remove UNKNOWN_VAL.
1161 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1162 Do not handle UNKNOWN_VAL.
1163 (get_default_value): Set initial value of virtual operands to
1165 (get_value): Always use get_default_value on uninitialized
1167 (set_value_varying, surely_varying_stmt_p): New functions.
1168 (set_lattice_value): Do not pass argument to get_value.
1169 Do not handle UNKNOWN_VAL.
1170 (likely_value): Follow the semantics described in the comment.
1171 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1172 phi nodes DONT_SIMULATE_AGAIN.
1173 (ccp_fold): Do not pass argument to get_value.
1174 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1177 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1179 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1180 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1182 2006-11-08 Roger Sayle <roger@eyesopen.com>
1184 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1185 test for inclusion rather than as a test for exclusion.
1186 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1187 the condition after calling fold_binary.
1188 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1189 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1190 * builtins.c (fold_builtin_isascii): Likewise.
1191 (fold_builtin_isdigit): Likewise.
1193 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1195 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1196 * configure: Regenerate.
1198 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1200 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1201 enum argument instead of bool.
1202 (vect_analyze_operations): Call vectorizable_type_promotion.
1203 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1204 stmt_vec_info_type value.
1205 (supportable_widening_operation, vectorizable_type_promotion): New
1206 function declarations.
1207 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1208 (vectorizable_type_promotion): New function.
1209 (vect_transform_stmt): Call vectorizable_type_promotion.
1210 * tree-vect-analyze.c (supportable_widening_operation): New function.
1211 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1213 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1216 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1217 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1218 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1220 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1221 * expr.c (expand_expr_real_1): Likewise.
1222 * optabs.c (optab_for_tree_code): Likewise.
1223 (init_optabs): Initialize new optabs.
1224 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1225 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1226 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1227 vec_unpacku_lo_optab): Initialize new optabs.
1228 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1229 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1230 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1232 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1233 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1234 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1235 (vec_unpacku_lo_optab): New optabs.
1236 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1237 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1238 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1239 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1240 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1241 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1243 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1244 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1245 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1246 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1247 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1248 implement the unsigned unpacking patterns.
1249 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1250 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1251 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1252 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1253 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1254 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1255 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1256 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1257 multiplication patterns.
1259 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1260 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1261 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1262 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1263 (rs6000_builtin_mul_widen_odd): New.
1264 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1265 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1266 * tree-vectorizer.h (enum vect_relevant): New enum type.
1267 (_stmt_vec_info): Field relevant chaned from bool to enum
1269 (STMT_VINFO_RELEVANT_P): Updated.
1270 (STMT_VINFO_RELEVANT): New.
1271 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1272 instead of STMT_VINFO_RELEVANT_P.
1273 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1274 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1275 and boolean variable with enum vect_relevant.
1276 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1277 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1278 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1280 2006-11-08 Richard Henderson <rth@redhat.com>
1282 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1283 vec_widen_umult_lo_v8hi): New.
1284 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1285 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1287 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1288 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1289 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1290 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1291 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1292 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1293 vec_unpacks_lo_v4si): New.
1295 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1297 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1298 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1299 (vect_analyze_operations): Call vectorizable_type_demotion.
1300 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1301 stmt_vec_info_type value.
1302 (vectorizable_type_demotion): New function declaration.
1303 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1306 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1307 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1309 * tree-iniline.c (estimate_num_insns_1): Likewise.
1310 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1311 * optabs.c (optab_for_tree_code): Likewise.
1313 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1314 compared against the predicate of the result is not 'mode' (the input
1315 to the function) but a mode with half the size of 'mode'.
1316 (init_optab): Initialize new optabs.
1317 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1319 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1321 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1322 (vec_pack_usat_optab): Initialize new optabs.
1323 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1324 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1326 2006-11-08 Richard Henderson <rth@redehat.com>
1328 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1329 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1330 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1331 (vec_interleave_highv4si, vec_interleave_lowv4si):
1332 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1334 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1336 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1338 (vect_transform_stmt): Removed redundant code.
1340 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1342 * tree-vect-transform.c (vectorizable_operation): Support multiple
1345 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1347 * tree-vect-transform.c (vect_align_data_ref): Removed.
1348 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1349 Updated function documentation. Return the increment stmt in ptr_incr.
1350 (bump_vector_ptr): New function.
1351 (vect_get_vec_def_for_stmt_copy): New function.
1352 (vect_finish_stmt_generation): Create a stmt_info to newly created
1354 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1356 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1357 VF is greater than the number of elements that can fit in one vector
1359 (vectorizable_operation, vectorizable_condition): Likewise.
1360 (vectorizable_store, vectorizable_load): Support the case that the VF
1361 is greater than the number of elements that can fit in one vector word.
1362 (vect_transform_loop): Don't fail in case of multiple data-types.
1363 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1364 in case of multiple data-types; the smallest type determines the VF.
1365 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1366 if they are of different sizes.
1367 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1368 number of elements rather than number of bytes.
1369 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1370 (vect_can_advance_ivs_p): Fix a dump printout
1372 2006-11-07 Eric Christopher <echristo@apple.com>
1374 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1375 (__bswapsi2): Ditto.
1376 * libgcc2.h: Remove transformation of bswap routines.
1377 * config/i386/i386.md (bswapsi2): New.
1380 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1382 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1383 (handle_gnu_inline_attribute): New function.
1384 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1385 (merge_decls, start_decl, start_function): Likewise.
1386 * doc/extend.texi: Document gnu_inline attribute.
1388 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1391 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1392 _fixunstfdi, and _floatditf
1394 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1396 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1398 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1399 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1400 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1401 which start in an odd register.
1403 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1405 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1407 2006-11-07 Josh Conner <jconner@apple.com>
1409 * doc/invoke.texi (fstrict-aliasing): Move implementation
1411 * doc/tree-ssa.texi (Alias analysis): ...here.
1413 2006-11-07 Richard Guenther <rguenther@suse.de>
1415 PR tree-optimization/29610
1416 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1417 of tree_purge_dead_eh_edges as it may free dominators.
1419 * g++.dg/other/pr29610.C: New testcase.
1421 2006-11-07 David Ung <davidu@mips.com>
1423 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1424 costs when optimizing for size.
1425 (override_options): Use mips_rtx_cost_optimize_size table for cost
1428 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1430 * gcc.c (process_command): Treat -b as normal switch if its argument
1433 2006-11-07 David Ung <davidu@mips.com>
1435 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1438 2006-11-06 Eric Christopher <echristo@apple.com>
1440 * config.gcc: Add x86_64-darwin host support.
1441 * config.host: Ditto.
1442 * config/i386/darwin64.h: New file.
1443 * config/i386/t-darwin64: Ditto.
1445 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1447 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1448 and output-exists-not.
1450 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1453 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1454 checking for overflow.
1456 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1458 * configure.ac: Fixed typo in case statement: :: changed to ;;
1460 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1462 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1463 count_leading_zeros, and count_trailing_zeros.
1464 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1465 (TARGET_FOLD_BUILTIN): Define.
1466 (TARGET_EXPAND_BUILTIN): Define.
1467 (xtensa_init_builtins): New.
1468 (xtensa_fold_builtin): New.
1469 (xtensa_expand_builtin): New.
1470 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1471 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1472 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1473 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1474 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1475 (any_extend): New code macro.
1476 (u, su): New code attributes.
1477 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1478 (nsau): Remove; replaced by clzsi2.
1479 (ffssi2): Use clzsi2.
1480 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1481 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1482 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1483 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1484 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1486 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1488 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1490 * config/arm/t-strongarm-elf: Likewise.
1491 * config/arm/t-pe: Likewise.
1492 * config/arm/t-arm-elf: Likewise.
1493 * config/arm/t-xscale-elf: Likewise.
1494 * config/arm/t-arm-coff: Likewise.
1495 * config/arm/t-xscale-coff: Likewise.
1496 * config/arm/t-wince-pe: Likewise.
1498 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1500 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1503 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1506 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1509 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1512 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1513 as a valid 80387 constant.
1514 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1515 * config/i386/i386.md (unnamed splitter): Split the load of
1516 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1519 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1521 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1522 from the soft-frame, argument and virtual registers.
1524 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1526 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1527 patterns for standard 80387 constants.
1529 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1530 Steven Bosscher <steven@gcc.gnu.org>
1532 * fwprop.c: New file.
1533 * Makefile.in: Add fwprop.o.
1534 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1535 * passes.c (init_optimization_passes): Schedule forward propagation.
1536 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1538 * timevar.def (TV_FWPROP): New.
1539 * common.opt (-fforward-propagate): New.
1540 * opts.c (decode_options): Enable forward propagation at -O2.
1541 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1542 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1543 canon_for_address, table_size): Remove.
1544 (new_basic_block, insert, remove_from_table): Remove references to
1546 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1547 simplification loop more straightforward by not calling fold_rtx
1549 (equiv_constant): Move here a small part of fold_rtx_subreg,
1550 do not call fold_rtx. Call avoid_constant_pool_reference
1552 * recog.h (canonicalize_change_group): New.
1554 * doc/invoke.texi (Optimization Options): Document fwprop.
1555 * doc/passes.texi (RTL passes): Document fwprop.
1557 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1559 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1560 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1561 (grokdeclarator): Likewise.
1563 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1565 * tree-dump.c (dump_enable_all): Rename local variable
1566 ir_type to avoid name conflicts.
1567 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1568 instead of using ir_type().
1569 * profile.c (tree_register_profile_hooks): Likewise.
1570 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1571 * basic-block.h (struct edge_def): Likewise.
1572 * config/arm/arm.c (legitimize_pic_address): Likewise.
1573 * coretypes.h (ir_type): New enum of all intermediate languages
1575 * cfghooks.c (ir_type): Rename to...
1576 (current_ir_type): ...this. Distinguish between cfgrtl and
1577 cfglayout mode when the current IR is RTL. Return enum ir_type.
1578 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1580 2006-11-03 Paul Brook <paul@codesourcery.com>
1582 * config/arm/arm.c (arm_file_start): New function.
1583 (TARGET_ASM_FILE_START): Define.
1584 (arm_default_cpu): New variable.
1585 (arm_override_options): Set arm_default_cpu.
1587 2006-11-03 David Ung <davidu@mips.com>
1589 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1590 PROCESSOR_24KC and PROCESSOR_24KF.
1591 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1592 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1593 (mips_rtx_cost_data): Add costs for the 24kc.
1594 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1595 * config/mips/24k.md: Remove references to 24k and replace with
1596 uses of 24kc/24kf in the appropriate reservations.
1597 * doc/invoke.texi (MIPS Options): Updated.
1599 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1601 * config/sh/crt1.asm: Fix #ifdef indent.
1603 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1604 Merged from STMicroelectronics sources:
1605 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1606 * config/sh/crt1.asm (vbr_600): Add missing #if.
1607 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1608 * sh.opt (mfused-madd): New option.
1609 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1610 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1611 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1612 Remove pointless handler at VBR+0.
1613 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1614 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1615 fr7. Make sure the timer handler is called with the correct FPU
1616 precision setting, according to the ABI.
1617 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1618 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1619 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1620 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1621 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1622 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1623 zero as second operand.
1624 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1625 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1626 Fixed some bugs related to negative values, in particular -0
1627 and overflow at -0x80000000.
1628 * config/sh/divcost-analysis: Added sh4-300 figures.
1629 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1630 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1631 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1632 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1633 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1634 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1636 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1638 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1639 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1640 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1641 mac_mem, mem_mac, dfp_mul, fp_cmp.
1642 (insn_class, dfp_comp, any_fp_comp): Update.
1643 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1644 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1645 (muldf3_i): Likewise.
1646 (movsi_i): Split rI08 alternative into two separate alternatives.
1648 (movsi_ie, movsi_i_lowpart): Likewise.
1649 (movqi_i): Split ri alternative into two separate alternatives.
1651 * sh1.md (sh1_load_store, sh1_fp): Update.
1652 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1653 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1654 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1655 (sh4a_fp_double_arith): Likewise.
1656 * sh4-300.md: New file.
1657 * sh.c (sh_handle_option): Handle m4-300* options.
1658 (sh_adjust_cost): Fix latency of auto-increments.
1659 Handle SH4-300 differently than other SH4s. Check for new insn types.
1660 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1661 been set by an option.
1662 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1663 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1664 (mbranch-cost=): Likewise.
1665 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1667 * sh.md (mulsf3): Remove special expansion code.
1668 (mulsf3_ie): Now a define_insn_and_split.
1669 (macsf3): Allow for TARGET_SH4.
1671 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1672 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1673 (expand_cbranchdi4): Likewise.
1674 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1675 CONST_DOUBLE if the outer code is COMPARE.
1676 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1677 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1678 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1679 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1680 Remove redundant fp_{zero,one}_operand checks.
1681 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1682 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1683 (expand_cbranchdi4): Likewise.
1684 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1685 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1687 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1689 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1692 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1694 * doc/invoke.texi: Fix mfp-trap-mode typo.
1696 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1698 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1699 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1700 file_end_indicate_exec_stack.
1701 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1703 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1704 for a non-executable stack.
1705 * crti.asm: Likewise.
1706 * crtn.asm: Likewise.
1707 * libunwind.S: Likewise.
1709 2006-11-02 Ben Elliston <bje@au.ibm.com>
1711 * tree-ssa.c (warn_uninit): Use expand_location variables for
1712 locus and declaration locus.
1714 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1717 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1718 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1719 cmp{eq,gt,gtu}{si,di}_media.
1720 (*cmpne0si_media): Remove.
1721 (*movsicc_umin): Adjust gen_cmp*_media call.
1722 (unordered): Change the mode of unordered and operands[1] to
1724 (seq): Adjust gen_cmp*_media calls. Make the mode of
1725 a temporary result of compare SImode if needed. If the mode
1726 of operands[0] is DImode, extend the temporary result to DImode.
1727 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1728 (sunorderd): Change the mode of match_operand and unorderd to
1730 (cmpeq{sf,df}_media): Remove.
1731 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1732 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1733 and compare operation to SImode.
1735 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1737 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1739 (sparc64-sun-solaris2*): Likewise.
1741 2006-11-02 Paul Brook <paul@codesourcery.com>
1743 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1744 from priority argument. Use different section for non-default
1746 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1748 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1751 * except.c (switch_to_exception_section): Do not cache the section
1752 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1753 and flag_function_sections is set.
1755 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1758 * builtins.c (do_mpfr_sincos): New.
1759 (fold_builtin_1): Use it to fold builtin sincos.
1761 2006-11-01 Roger Sayle <roger@eyesopen.com>
1763 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1764 it into -D_REENTRANT.
1766 2006-11-01 Roger Sayle <roger@eyesopen.com>
1768 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1769 whether the assembler supports taking the difference of symbols in
1770 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1771 * configure: Regenerate.
1772 * config.in: Regenerate.
1773 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1774 the assembler doesn't support taking the difference of symbols in
1775 different sections, i.e. we're using the native solaris assembler.
1777 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1778 Peter Bergner <bergner@vnet.ibm.com>
1780 * doc/invoke.texi: Add cpu_type power6x
1781 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1782 * config.gcc: Add cpu_type power6x.
1783 * configure.ac: Add test for mf{t,f}gpr instructions.
1784 (HAVE_AS_MFPGPR): New.
1785 * config.in: Regenerate.
1786 * configure: Regenerate.
1787 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1788 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1789 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1790 and mftgpr attributes.
1791 (define_attr "cpu"): Add power6.
1792 Change instruction sequences to use new attributes.
1793 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1794 (fix_truncdfsi2_mfpgpr): New.
1795 (floatsidf_ppc64_mfpgpr): New.
1796 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1797 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1798 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1799 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1800 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1801 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1802 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1803 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1804 cntlz,exts and var_delayed_compare.
1805 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1806 _ARCH_PWR6X, if features enabled.
1807 * config/rs6000/rs6000.opt (mmfpgpr): New.
1808 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1809 (cached_can_issue_more): New variable.
1810 (processor_costs): Add power6_cost.
1811 (rs6000_sched_init): New function.
1812 (is_dispatch_slot_restricted): Deleted.
1813 (set_to_load_agen): New function.
1814 (is_load_insn,is_store_insn): New functions.
1815 (adjacent_mem_locations): New function.
1816 (insn_must_be_first_in_group): New function.
1817 (insn_must_be_last_in_group): New function.
1818 (rs6000_sched_reorder): New function.
1819 (rs6000_sched_reorder2): New function.
1820 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1821 TARGET_SCHED_REORDER2): Define.
1822 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1823 Add power6x. Add MASK_MFPGPR for power6x.
1824 (POWERPC_MASKS): Add MASK_MFPGPR.
1825 (rs6000_override_options): Set rs6000_always_hint to false
1826 for power6. Set rs6000_align_branch_targets. Replace
1827 rs6000_sched_groups check with rs6000_align_branch_targets.
1828 Use PROCESSOR_POWER6.
1829 (last_scheduled_insn): New variable.
1830 (load_store_pendulum): New variable.
1831 (rs6000_variable_issue): Set last_scheduled_insn and
1832 cached_can_issue_more.
1833 (rs6000_adjust_cost): Add power6 cost adjustments.
1834 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1835 with insn_must_be_first_in_group. Add power6 priority adjustments.
1836 (rs6000_issue_rate): Add CPU_POWER6.
1837 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1838 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1839 (TARGET_MFPGPR): New.
1840 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1841 (ASM_CPU_SPEC): Add power6x.
1842 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1844 * config/rs6000/power6.md: New file.
1846 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1848 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1849 HOST_WIDE_INT_PRINT to print high and low parts. Use
1850 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1851 printing a hexadecimal number prefix it with 0x.
1853 2006-11-01 Chris Johns <chris@contemporary.net.au>
1856 * Makefile.in (install-driver): Use exeext when installing
1857 $target-gcc-$version.
1859 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1861 * c-common.c (flag_cpp0x): New.
1862 * c-common.h (flag_cpp0x): New.
1863 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1864 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1865 * c-opts.c (set_std_cxx0x): New.
1866 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1867 * c.opt (std=c++0x): Document.
1868 (std=gnu++0x): Ditto.
1869 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1870 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1872 2006-11-01 Richard Guenther <rguenther@suse.de>
1874 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1876 (ix86_expand_floorceildf_32): Likewise.
1877 (ix86_expand_floorceil): Likewise.
1878 (ix86_expand_trunc): Likewise.
1880 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1882 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1885 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1887 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1889 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1891 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1893 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1894 * configure.ac (use_cxa_atexit): As a special case, don't test
1895 for libc definition of __cxa_atexit on mingw32
1896 * configure: Regenerate.
1897 * config.gcc (i[34567]86-pc-mingw32): Default to
1898 enable__cxa_atexit=yes.
1900 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1902 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1904 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1907 * c-decl.c (start_struct): Don't create self-containing
1909 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1911 * config/rs6000/rs6000-protos.h
1912 (darwin_rs6000_special_round_type_align): New.
1913 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1914 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1916 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1918 * toplev.c (compile_file): Call final_write_globals
1919 even if there have been errors.
1921 2006-10-31 Eric Christopher <echristo@apple.com>
1922 Falk Hueffner <falk@debian.org>
1924 * doc/extend.texi (__builtin_bswap32): Document.
1925 (__builtin_bswap64): Ditto.
1926 * doc/libgcc.texi (bswapsi2): Document.
1928 * doc/rtl.texi (bswap): Document.
1929 * optabs.c (expand_unop): Don't widen a bswap.
1930 (init_optabs): Init bswap. Set libfuncs explicitly
1931 for bswapsi2 and bswapdi2.
1932 * optabs.h (OTI_bswap): New.
1933 (bswap_optab): Ditto.
1934 * genopinit.c (optabs): Handle bswap_optab.
1935 * tree.h (tree_index): Add TI_UINT32_TYPE and
1937 (uint32_type_node): New.
1938 (uint64_type_node): Ditto.
1939 * tree.c (build_common_tree_nodes_2): Initialize
1940 uint32_type_node and uint64_type_node.
1941 * builtins.c (expand_builtin_bswap): New.
1942 (expand_builtin): Call.
1943 (fold_builtin_bswap): New.
1944 (fold_builtin_1): Call.
1945 * fold-const.c (tree_expr_nonnegative_p): Return true
1947 * builtin-types.def (BT_UINT32): New.
1949 (BT_FN_UINT32_UINT32): Ditto.
1950 (BT_FN_UINT64_UINT64): Ditto.
1951 * builtins.def (BUILT_IN_BSWAP32): New.
1952 (BUILT_IN_BSWAP64): Ditto.
1953 * rtl.def (BSWAP): New.
1954 * genattrtab.c (check_attr_value): New.
1955 * libgcc2.c (__bswapSI2): New.
1956 (__bswapDI2): Ditto.
1957 * libgcc2.h (__bswapSI2): Declare.
1958 (__bswapDI2): Ditto.
1959 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1960 * simplify-rtx.c (simplify_const_unary_operation): Return
1962 * libgcc-std.ver (__bwapsi2): Add.
1963 (__bswapdi2): Ditto.
1964 * reload1.c (eliminate_regs_1): Add bswap.
1965 (elimination_effects): Ditto.
1966 * config/i386/i386.h (x86_bswap): New.
1967 (TARGET_BSWAP): Use.
1968 * config/i386/i386.c (x86_bswap): Set.
1970 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1972 * coverage.c (coverage_checksum_string): Update comment.
1973 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1974 of get_file_function_name.
1975 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1976 of get_file_function_name_long.
1977 * tree.c (get_file_function_name): Rename from
1978 get_file_function_name_long; improve comment; handle 'I' and 'D'
1979 specially when the target has ctor/dtor support; remove special
1981 (get_file_function_name): Remove.
1982 * tree.h (get_file_function_name): Rename from
1983 get_file_function_name_long.
1984 (get_file_function_name): Remove prototype.
1986 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1988 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1989 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1991 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1992 Call dsymutil when compiling and linking one or more source files
1995 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1998 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2000 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2002 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2003 inline static functions in c99 mode.
2006 * doc/extend.texi (Inline): Update.
2007 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2008 * c-decl.c (current_extern_inline): Delete.
2009 (pop_scope): Adjust test for an undefined nested function.
2010 Add warning about undeclared inline function.
2011 (diagnose_mismatched_decls): Update comments. Disallow overriding
2012 of inline functions in a translation unit in C99. Allow inline
2013 declarations in C99 at any time.
2014 (merge_decls): Boolize variables. Handle C99 'extern inline'
2016 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2017 C99 inline semantics.
2018 (start_function): Don't clear current_extern_inline. Don't set
2020 (c_push_function_context): Don't push current_extern_inline.
2021 (c_pop_function_context): Don't restore current_extern_inline.
2024 * c-typeck.c (build_external_ref): Warn about static variables
2025 used in extern inline functions.
2026 * c-decl.c (start_decl): Warn about static variables declared
2027 in extern inline functions.
2029 2006-10-31 Roger Sayle <roger@eyesopen.com>
2032 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2033 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2034 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2035 or y is an even integer.
2037 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2040 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2041 * gthr-posix95.h (__gthread_active_p): Likewise.
2043 2006-10-31 Richard Guenther <rguenther@suse.de>
2045 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2046 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2047 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2048 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2049 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2050 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2051 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2052 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2055 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2057 * opts.c (decode_options): Disable CSE skip blocks.
2059 2006-10-30 Dirk Mueller <dmueller@suse.de>
2061 * c-common.h (strict_aliasing_warning): Fix whitespace.
2062 * c-decl (start_function): Move code for main decl warning ..
2063 * c-common.c (check_main_parameter_types): .. here.
2064 * c-common.h (check_main_parameter_types): Declare.
2066 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2069 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2071 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2073 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2074 be a PARALLEL containing sets. Return false when out_pat is not
2077 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2079 * config/mips/mips.md (mul<mode>3): Split into...
2080 (mulsi3, muldi3): ...these separate patterns.
2082 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2084 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2085 but with each set of options separated by spaces.
2087 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2089 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2090 dwarf_reg_size_table has been initialized.
2092 2006-10-30 Roger Sayle <roger@eyesopen.com>
2094 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2095 * ddg.c (print_ddg_edge): Likewise.
2096 * dwarf2out.c (prune_unused_types_walk): Likewise.
2097 * ifcvt.c (noce_try_cmove_arith): Likewise.
2098 * langhooks.c (add_builtin_function): Likewise.
2099 * reg-stack.c (subst_stack_regs_pat): Likewise.
2100 * tree.c (expanded_location): Likewise.
2101 * tree-dump.c (dequeue_and_dump): Likewise.
2103 2006-10-30 David Daney <ddaney@avtrex.com>
2105 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2107 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2109 PR tree-optimization/29637
2110 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2111 of the innertype is the innertype itself.
2113 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2115 * dwarf2out.c (file_name_acquire): Correct typo.
2117 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2119 * tree.h (tree_value_handle): Remove struct value_set declaration.
2120 Change value_set to bitmap_set.
2121 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2122 * tree-vn.c (get_value_handle): Made inline and moved to
2124 * tree-flow-inline.h: (has_stmt_ann): New function.
2125 * tree-ssa-pre.c (expressions): New variable.
2126 (next_expression_id): Ditto.
2127 (alloc_expression_id): New function.
2128 (struct value_set): Remove.
2129 (get_expression_id): New function.
2130 (get_or_alloc_expression_id): Ditto.
2131 (expression_for_id): Ditto.
2132 (clear_expression_ids): Ditto.
2133 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2134 (bb_value_sets): Renamed to bb_bitmap_sets.
2135 All value sets replaced with bitmap_sets.
2137 (BB_VISITED): New macro.
2138 (postorder): New variable.
2139 (add_to_value): Removed.
2140 (value_exists_in_set_bitmap): Ditto.
2141 (value_insert_into_set_bitmap): Ditto.
2144 (set_remove): Ditto.
2145 (set_contains_value): Ditto.
2146 (insert_into_set): Ditto.
2148 (find_leader): Ditto.
2149 (bitmap_set_subtract_from_value_set): Ditto.
2150 (value_insert_into_set): Ditto.
2151 (print_value_set): Ditto.
2152 (debug_value_set): Ditto.
2153 (constant_expr_p): New function.
2154 (bitmap_remove_from_set): Ditto.
2155 (bitmap_insert_into_set): Ditto.
2156 (bitmap_set_free): Ditto.
2157 (vh_compare): Ditto.
2158 (sorted_array_from_bitmap_set): Ditto.
2159 (bitmap_set_subtract): Ditto.
2160 (bitmap_set_equal): Ditto.
2161 (debug_bitmap_set): Ditto.
2162 (find_leader_in_sets): Ditto.
2163 (bitmap_set_replace_value): Modify for bitmapped sets.
2164 (phi_translate): Ditto.
2165 (phi_translate_set): Ditto.
2166 (bitmap_find_leader): Ditto.
2167 (valid_in_sets): Ditto.
2168 (union_contains_value): Ditto.
2170 (compute_antic_aux): Ditto. Mark changed blocks.
2171 (compute_antic): Ditto. Iterate in postorder and only over
2173 (compute_rvuse_and_antic_safe): Reuse postorder.
2174 (create_component_ref_by_pieces): Modify for bitmapped sets.
2175 (find_or_generate_expression): Ditto.
2176 (create_expression_by_pieces): Ditto.
2177 (insert_into_preds_of_block): Ditto.
2178 (changed_blocks): New variable.
2179 (do_regular_insertion): Broken out from insert_aux.
2180 (insert_aux): Modified for bitmapped sets.
2181 (find_existing_value_expr): New function.
2182 (create_value_expr_from): Use it.
2183 (insert_extra_phis): Removed.
2184 (print_bitmap_set): Renamed from bitmap_print_value_set.
2185 (compute_avail): Handle RETURN_EXPR.
2186 (init_pre): Modify for bitmapped sets.
2187 * tree-flow.h (has_stmt_ann): New function.
2189 2006-10-29 Roger Sayle <roger@eyesopen.com>
2191 * builtins.c (fold_builtin_floor): Check for the availability of
2192 the C99 trunc function before transforming floor into trunc.
2194 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2196 * builtins.c (fold_builtin_hypot): Rearrange recursive
2197 transformation before others, and also do ABS_EXPR. When
2198 necessary, check flag_unsafe_math_optimizations. When necessary,
2201 2006-10-29 Roger Sayle <roger@eyesopen.com>
2203 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2204 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2205 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2206 Fold -X eq/ne -Y as X eq/ne Y.
2208 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2210 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2211 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2212 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2213 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2214 Use an inclusive test for "mult" rather than "mul".
2215 (rotr<mode>3): Depend on ISA_HAS_ROR.
2216 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2218 (GENERATE_MULT3_DI): Delete.
2219 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2220 (ISA_HAS_MUL3): New macro.
2221 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2222 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2223 (ISA_HAS_CLZ_CLO): Likewise.
2224 (ISA_HAS_DCLZ_DCLO): Delete.
2225 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2226 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2227 the VR4120 and VR4130.
2228 (ISA_HAS_MACCHI): Use consistent formatting.
2229 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2230 (ISA_HAS_ROR): ...this new macro.
2231 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2232 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2233 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2235 2006-10-29 Roger Sayle <roger@eyesopen.com>
2237 PR tree-optimization/15458
2238 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2241 2006-10-29 Richard Guenther <rguenther@suse.de>
2243 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2244 (ix86_expand_truncdf_32): Likewise.
2245 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2246 trunc inline for SSE math and -fno-trapping-math and if not
2247 optimizing for size.
2248 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2249 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2250 for expanding btrunc inline for SSE math.
2252 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2254 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2255 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2256 i[34567]86-*-solaris2.1[0-9]*.
2257 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2258 Define conditionally depending on TARGET_64BIT_DEFAULT.
2259 (SPEC_32, SPEC_64): Define.
2260 (LINK_SPEC): Use them.
2261 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2263 2006-10-29 Richard Guenther <rguenther@suse.de>
2265 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2266 (ix86_expand_rounddf_32): Likewise.
2267 * config/i386/i386.c (ix86_expand_round): New function expanding
2268 round inline for SSE math and -fno-trapping-math and if not
2269 optimizing for size.
2270 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2271 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2272 round via ix86_expand_round.
2274 2006-10-29 Richard Guenther <rguenther@suse.de>
2276 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2277 (ix86_expand_floorceildf_32): Likewise.
2278 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2279 static helper function.
2280 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2282 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2283 * config/i386/i386.md (floordf2): Adjust to enable floor
2284 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2285 -fno-trapping-math is enabled and if not optimizing for size.
2286 (floorsf2, ceildf2, ceilsf2): Likewise.
2287 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2288 (sse2_maskcmpdf3): Likewise.
2290 2006-10-29 Richard Guenther <rguenther@suse.de>
2292 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2293 rint in case -fno-trapping-math is enabled.
2294 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2295 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2296 (ix86_expand_sse_fabs): Likewise.
2297 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2298 * config/i386/i386.md (rintdf2): Enable for SSE math if
2299 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2300 (rintsf2): Likewise.
2302 2006-10-29 Richard Guenther <rguenther@suse.de>
2304 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2305 to conversion optabs.
2306 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2307 as conversion optab.
2308 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2309 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2310 (lfloor_optab, lceil_optab): Adjust defines.
2311 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2312 lfloor and lceil optabs now being conversion optabs.
2313 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2314 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2315 New static helper function.
2316 (ix86_expand_lfloorceil): New function to expand lfloor and
2318 * config/i386/i386.md (lfloor<mode>2): Split into ...
2319 (lfloorxf<mode>2): ... x87 variant
2320 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2321 using ix86_expand_lfloorceil.
2322 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2324 * doc/md.texi (lfloorMN, lceilMN): Document.
2326 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2328 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2329 -mno-shared assembler option on mips targets.
2330 * configure, config.in: Regenerate.
2331 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2332 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2333 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2335 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2337 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2338 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2340 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2342 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2343 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2346 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2349 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2350 (fold_builtin_pow): Evaluate constant arguments at compile-time
2352 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2353 (do_mpfr_ckconv): New helper function.
2354 (do_mpfr_arg1): Use do_mpfr_ckconv.
2355 (do_mpfr_arg2): New.
2357 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2360 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2361 (-fdump-rtl-sched): Rename to ..
2362 (-fdump-rtl-sched1): here. Also fix file extension number.
2364 2006-10-28 Richard Guenther <rguenther@suse.de>
2366 * fold-const.c (maybe_canonicalize_comparison): Fix code
2369 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2371 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2372 (NON_QI_REG_P): Use IN_RANGE.
2373 (REX_INT_REGNO_P): Use IN_RANGE.
2374 (FP_REGNO_P): Use IN_RANGE.
2375 (SSE_REGNO_P): Use IN_RANGE.
2376 (REX_SSE_REGNO_P): Use IN_RANGE.
2377 (MMX_REGNO_P): Use IN_RANGE.
2378 (STACK_REGNO_P): New macro.
2379 (STACK_REG_P): Use STACK_REGNO_P.
2380 (NON_STACK_REG_P): Use STACK_REGNO_P.
2381 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2382 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2383 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2384 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2385 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2387 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2389 * except.h (output_function_exception_table): Add 'const char*' param.
2390 * except.c (switch_to_exception_section): Add 'const char*' param.
2391 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2392 and flag_function_sections is set, use a function-specific section.
2393 (output_function_exception_table): Add 'const char*' param.
2394 Adjust call to switch_to_exception_section.
2395 * final.c (rest_of_handle_final): Adjust calls to
2396 output_function_exception_table.
2397 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2398 * config.in: Regenerate.
2399 * configure: Likewise.
2401 2006-10-28 Richard Guenther <rguenther@suse.de>
2404 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2405 for maybe_canonicalize_comparison.
2406 (maybe_canonicalize_comparison): New function for canonicalizing
2408 (fold_comparison): Call it to canonicalize comparisons with
2411 2006-10-28 Richard Guenther <rguenther@suse.de>
2414 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2415 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2416 (expand_builtin): Adjust likewise.
2417 * genopinit.c (optabs[]): Add lround optab.
2418 * optabs.c (init_optabs): Initialize lround_optab.
2419 * optabs.h (enum convert_optab_index): Add COI_lround.
2420 (lround_optab): Define.
2421 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2422 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2424 (ix86_expand_lround): New function.
2425 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2427 * doc/md.texi (lroundMN2): Document.
2429 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2432 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2433 argument to HOST_WIDE_INT. Update function prototype.
2434 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2435 "size" argument to HOST_WIDE_INT. Update function prototype.
2437 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2439 * config/i386/i386.c (output_387_ffreep): Create output from a
2440 template string for !HAVE_AS_IX86_FFREEP.
2442 2006-10-27 Eric Christopher <echristo@apple.com>
2444 * config/darwin.c: Fix formatting and grammar.
2446 2006-10-27 Jan Hubicka <jh@suse.cz>
2448 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2449 to be thrown away soon when IGNORE is set.
2450 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2451 indicating when return value shall not be computed.
2452 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2454 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2456 * config/i386/i386.h (TARGET_GEODE):
2457 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2458 (TARGET_CPU_DEFAULT_geode): New macro.
2459 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2460 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2461 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2462 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2463 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2465 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2466 (processor_type): Add PROCESSOR_GEODE.
2468 * config/i386/i386.md: Include geode.md.
2471 * config/i386/i386.c (geode_cost): New initialized global
2473 (m_GEODE, m_K6_GEODE): New macros.
2474 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2475 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2476 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2477 x86_schedule): Use m_K6_GEODE instead of m_K6.
2478 (x86_movx, x86_cmove): Set up m_GEODE.
2479 (x86_integer_DFmode_moves): Clear m_GEODE.
2480 (processor_target_table): Add entry for geode.
2481 (processor_alias_table): Ditto.
2483 * config/i386/geode.md: New file.
2485 * doc/invoke.texi: Add entry about geode processor.
2487 2006-10-27 Mike Stump <mrs@apple.com>
2489 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2490 __DYNAMIC__ from here back to ...
2491 * config/darwin.h (CPP_SPEC): ... here.
2493 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2494 Nathan Sidwell <nathan@codesourcery.com>
2496 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2497 when choosing the minimum heapsize.
2499 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2501 * gcc/unwind-dw2.h: Move cfa-related variables into
2502 struct frame_state_reg_info to ensure that the CFA is properly
2503 handled when executing DW_CFA_{remember,restore}_state.
2504 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2505 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2506 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2507 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2508 gcc/config/rs6000/linux-unwind.h,
2509 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2510 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2511 Modify to use new cfa_* fields.
2513 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2515 * config/s390/s390.c (s390_init_frame_layout): Check positive
2518 2006-10-26 Ben Elliston <bje@au.ibm.com>
2520 * gimplify.c (get_name): Remove extraneous break.
2521 (gimplify_omp_for): Initialise ret with GS_OK.
2523 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2525 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2526 Add unix98.o to link line.
2528 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2531 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2532 Calculate compile-time constants using MPFR.
2533 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2534 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2536 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2538 * config/xtensa/lib2funcs.S: Use C-style comments.
2540 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2542 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2543 (file_table_relative_p): Likewise.
2544 (dwarf2out_finish): Likewise.
2545 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2547 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2549 * tree-ssa-structalias.c (intra_create_variable_infos):
2550 Don't recreate nonlocal_all if it already exists.
2552 2006-10-25 Richard Guenther <rguenther@suse.de>
2555 * optabs.h (enum optab_index): Remove OTI_lrint.
2556 (enum convert_optab_index): Add COI_lrint.
2557 (lrint_optab): Adjust.
2558 (expand_sfix_optab): Declare.
2559 * optabs.c (expand_sfix_optab): New function.
2560 (init_optabs): Init lrint_optab as conversion optab.
2561 * genopinit.c (lrint_optab): Change to a conversion optab.
2562 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2563 expansion via conversion optab.
2564 * config/i386/i386.md (*fistdi2_1): Remove
2565 flag_unsafe_math_optimizations guard.
2566 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2567 fist<mode>2_with_temp): Likewise.
2568 (lrint<mode>2): Split into...
2569 (lrintxf<mode>2): ... x87 part
2570 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2571 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2572 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2573 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2574 * doc/md.texi (lrintMN2): Document.
2576 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2579 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2580 Use inc and dec instructions for TARGET_USE_INCDEC.
2581 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2582 ("sync_double_compare_and_swap<mode>"): Likewise.
2583 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2584 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2585 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2586 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2587 ("sync_old_add<mode>"): Likewise.
2588 ("sync_lock_test_and_set<mode>"): Likewise.
2589 ("sync_lock_test_and_set<mode>"): Likewise.
2590 ("sync_add<mode>"): Likewise.
2591 ("sync_sub<mode>"): Likewise.
2592 ("sync_ior<mode>"): Likewise.
2593 ("sync_and<mode>"): Likewise.
2594 ("sync_xor<mode>"): Likewise.
2596 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2598 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2599 (remainder_optab): Define corresponding macro.
2600 (drem_optab): Remove.
2601 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2602 drem_optab initialization.
2603 * genopinit.c (optabs): Implement remainder_optab using
2604 remainder?f3 patterns. Remove drem_optab.
2605 * builtins.c (expand_builtin_mathfn_2): Handle
2606 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2607 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2608 expand_builtin_mathfn_2.
2610 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2611 depend on flag_unsafe_math_optimizations.
2613 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2614 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2615 Do not depend on flag_unsafe_math_optimizations. Use
2616 truncxf?f expander instead of truncxf?f_i387_noop.
2618 ("fpremxf4", "fprem1xf4"): Do not depend on
2619 flag_unsafe_math_optimizations.
2620 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2621 flag_unsafe_math_optimizations. Use truncxf?f expander
2622 instead of truncxf?f_i387_noop.
2624 * doc/md.texi (fmod, remainder): Document standard named pattern.
2626 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2627 David Daney <ddaney@avtrex.com>
2630 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2632 2006-10-25 Ben Elliston <bje@au.ibm.com>
2634 * doc/extend.texi (Variable Attributes): Typo fix.
2636 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2638 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2639 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2640 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2641 (FRAME_POINTER_REGNUM): Update register number to 21.
2642 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2643 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2645 * config/i386/i386.c (regclass_map): Add fpcr entry.
2646 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2648 (print_reg): Assert REGNO (x) != FPCR_REG.
2650 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2651 (DIRFLAG_REG): Renumber.
2652 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2653 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2654 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2655 hardcoded SSE register numbers.
2657 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2658 hardcoded MMX register numbers.
2660 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2663 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2664 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2666 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2667 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2668 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2669 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2671 2006-10-24 Richard Guenther <rguenther@suse.de>
2674 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2675 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2676 for deciding optimizations in consistency with fold-const.c
2677 (fold_builtin_unordered_cmp): Likewise.
2679 2006-10-24 Richard Guenther <rguenther@suse.de>
2681 * builtins.c (fold_builtin_floor): Fold floor (x) where
2682 x is nonnegative to trunc (x).
2683 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2684 nonnegative to FIX_TRUNC_EXPR.
2686 2006-10-24 Richard Guenther <rguenther@suse.de>
2688 PR tree-optimization/29567
2689 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2690 for TRUTH_NOT_EXPR. Clarify comments.
2692 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2695 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2696 at compile-time using MPFR. Change parameter VALUE to FUNC,
2698 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2699 for overflow and underflow at all times and avoid folding in
2702 2006-10-24 Ben Elliston <bje@au.ibm.com>
2704 * reload1.c: Formatting fixes.
2706 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2708 PR tree-optimization/14784
2709 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2710 * tree-ssa-structalias.c (get_constraint_for,
2711 intra_create_variable_infos): Set is_heapvar.
2712 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2713 non-heapvar pointer variables specially.
2715 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2718 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2719 fold_builtin_tan): Fold all constant arguments. Take a "type"
2720 argument as necessary.
2721 (do_mpfr_arg1): New.
2722 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2724 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2726 * config/xtensa/lib1funcs.asm: Use C-style comments.
2728 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2730 * tree.c (local_define_builtin): Replace calls to
2731 lang_hooks.builtin_function with add_builtin_function.
2732 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2734 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2736 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2737 common code to add_builtin_function.
2738 * langhooks.c (add_builtin_function): New function.
2739 (lhd_builtin_function): New function.
2740 * langhooks.h (struct lang_hooks): Change the signature of
2742 (add_builtin_function): New function.
2743 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2744 calls to lang_hooks.builtin_function with add_builtin_function.
2745 * c-common.c (decl_builtin_1): Replace calls to
2746 lang_hooks.builtin_function with add_builtin_function.
2747 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2748 lang_hooks.builtin_function with add_builtin_function.
2749 * config/frv/frv.c (def_builtin): Replace calls to
2750 lang_hooks.builtin_function with add_builtin_function.
2751 * config/s390/s390.c (s390_init_builtins): Replace calls to
2752 lang_hooks.builtin_function with add_builtin_function.
2753 * config/sparc/sparc.c (def_builtin): Replace calls to
2754 lang_hooks.builtin_function with add_builtin_function.
2755 * config/i386/i386.c (def_builtin): Replace calls to
2756 lang_hooks.builtin_function with add_builtin_function.
2757 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2758 lang_hooks.builtin_function with add_builtin_function.
2759 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2760 lang_hooks.builtin_function with add_builtin_function.
2761 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2762 Replace calls to lang_hooks.builtin_function with
2763 add_builtin_function.
2764 * config/iq2000/iq2000.c (def_builtin):
2765 Replace calls to lang_hooks.builtin_function with
2766 add_builtin_function.
2767 * config/ia64/ia64.c (def_builtin): Replace calls to
2768 lang_hooks.builtin_function with add_builtin_function.
2769 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2770 lang_hooks.builtin_function with add_builtin_function.
2771 (altivec_init_builtins): Replace calls to
2772 lang_hooks.builtin_function with add_builtin_function.
2773 * config/arm/arm.c (def_mbuiltin): Replace calls to
2774 lang_hooks.builtin_function with add_builtin_function.
2775 (arm_init_tls_builtins): Replace calls to
2776 lang_hooks.builtin_function with add_builtin_function.
2777 * config/mips/mips.c (mips_init_builtins): Replace calls to
2778 lang_hooks.builtin_function with add_builtin_function.
2779 * config/bfin/bfin.c (def_builtin): Replace calls to
2780 lang_hooks.builtin_function with add_builtin_function.
2781 * langhooks-def.h (lhd_builtin_function): New function.
2782 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2784 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2786 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2787 BUILT_IN_STRNCAT_CHK.
2789 2006-10-23 Jan Hubicka <jh@suse.cz>
2791 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2792 don't do conversion from memmove to memcpy here.
2793 (expand_builtin_bcopy, expand_builtin): Update call of
2794 expand_builtin_memmove.
2795 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2797 2006-10-23 Paul Brook <paul@codesourcery.com>
2799 * stor-layout.c (start_record_layout): maximum_field_alignment
2800 overrides STRUCTURE_SIZE_BOUNDARY.
2802 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2804 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2805 nonlocal function symbols if flag_pic.
2807 2006-10-23 Richard Guenther <rguenther@suse.de>
2811 * builtins.c (fold_binary): Remove checks for flag_wrapv
2812 and flag_trapv where negate_expr_p covers these cases.
2814 2006-10-23 Richard Guenther <rguenther@suse.de>
2817 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2818 of two on the absolute value.
2819 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2820 and negating -C does not overflow.
2822 2006-10-23 Richard Guenther <rguenther@suse.de>
2825 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2826 only if not flag_rounding_math.
2828 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2829 Kaz Kojima <kkojima@gcc.gnu.org>
2832 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2833 SImode memory reference for the source of a movua.
2834 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2835 (movua): Use an unspec instead of sign_extract. Expect the source
2836 to have mode BLKmode.
2837 (extv, insv): Use a BLKmode rather than SImode memory reference
2838 for the source of a movua.
2840 2006-10-22 Jeff Law <law@redhat.com>
2841 Richard Guenther <rguenther@suse.de>
2843 PR tree-optimization/15911
2844 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2845 (register_edge_assert_for_1): Likewise.
2846 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2847 (find_conditional_asserts): Adjust for new function signature.
2848 (find_assert_locations): Likewise.
2850 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2852 * config/i386/tmmintrin.h: Remove the duplicated content.
2854 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2856 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2857 (x86_64-*-*): Likewise.
2859 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2860 (override_options): Check SSSE3.
2861 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2862 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2863 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2864 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2865 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2866 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2867 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2868 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2869 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2870 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2871 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2872 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2873 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2874 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2875 IX86_BUILTIN_PABSD128.
2876 (bdesc_2arg): Add SSSE3.
2877 (bdesc_1arg): Likewise.
2878 (ix86_init_mmx_sse_builtins): Support SSSE3.
2879 (ix86_expand_builtin): Likewise.
2880 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2882 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2883 (UNSPEC_PSIGN): Likewise.
2884 (UNSPEC_PALIGNR): Likewise.
2885 Include mmx.md before sse.md.
2887 * config/i386/i386.opt: Add -mssse3.
2889 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2890 (ssse3_phaddwv4hi3): Likewise.
2891 (ssse3_phadddv4si3): Likewise.
2892 (ssse3_phadddv2si3): Likewise.
2893 (ssse3_phaddswv8hi3): Likewise.
2894 (ssse3_phaddswv4hi3): Likewise.
2895 (ssse3_phsubwv8hi3): Likewise.
2896 (ssse3_phsubwv4hi3): Likewise.
2897 (ssse3_phsubdv4si3): Likewise.
2898 (ssse3_phsubdv2si3): Likewise.
2899 (ssse3_phsubswv8hi3): Likewise.
2900 (ssse3_phsubswv4hi3): Likewise.
2901 (ssse3_pmaddubswv8hi3): Likewise.
2902 (ssse3_pmaddubswv4hi3): Likewise.
2903 (ssse3_pmulhrswv8hi3): Likewise.
2904 (ssse3_pmulhrswv4hi3): Likewise.
2905 (ssse3_pshufbv16qi3): Likewise.
2906 (ssse3_pshufbv8qi3): Likewise.
2907 (ssse3_psign<mode>3): Likewise.
2908 (ssse3_psign<mode>3): Likewise.
2909 (ssse3_palignrti): Likewise.
2910 (ssse3_palignrdi): Likewise.
2911 (abs<mode>2): Likewise.
2912 (abs<mode>2): Likewise.
2914 * config/i386/tmmintrin.h: New file.
2916 * doc/extend.texi: Document SSSE3 built-in functions.
2918 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2920 2006-10-22 Ira Rosen <irar@il.ibm.com>
2922 * tree-vect-transform.c (vectorizable_load): Use the type of the
2923 return value of the mask_for_load builtin to create realign_load
2926 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2928 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2931 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2933 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2934 (UNSPEC_LDDQU): This.
2935 * config/i386/sse.md (sse3_lddqu): Updated.
2937 2006-10-21 Richard Guenther <rguenther@suse.de>
2939 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2940 (expand_builtin): Use it to expand lrint instead of
2941 expand_builtin_mathfn.
2943 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2946 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2947 flag_unsafe_math_optimizations is set.
2949 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2952 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2953 patterns to use memory input operand in x87->mem->XMM
2954 reload sequences. Skip transformation for TARGET_K8.
2956 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2958 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2959 force operand1 to register if both operands are memory operands.
2960 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2961 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2962 if both operands are memory operands.
2963 (truncdfsf2): Do not force operand1 to register if both operands
2964 are memory operands.
2966 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2968 * Makefile.in (LIBS): Add $(GMPLIBS).
2969 * doc/install.texi: Update GMP and MPFR requirements.
2970 * doc/sourcebuild.texi (need_gmp): Delete.
2972 2006-10-21 Richard Guenther <rguenther@suse.de>
2974 PR tree-optimization/3511
2975 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2976 got new invariant arguments during PHI translation.
2978 2006-10-21 Richard Guenther <rguenther@suse.de>
2981 * fold-const.c (fold_comparison): Fold signed comparisons
2982 of the form X +- C1 CMP Y +- C2.
2984 2006-10-21 Richard Guenther <rguenther@suse.de>
2987 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2988 if flag_unsafe_math_optimizations is specified. We have
2989 flag_finite_math_only for that.
2990 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2991 or flag_unsafe_math_optimizations.
2993 2006-10-21 Richard Guenther <rguenther@suse.de>
2995 * builtins.c (fold_builtin_classify): Fix typo.
2997 2006-10-21 Richard Guenther <rguenther@suse.de>
3000 * simplify-rtx.c (simplify_const_relational_operation):
3001 Do not constant-fold ORDERED and UNORDERED for
3002 flag_unsafe_math_optimizations but only we do not need to
3003 honor NaNs for the given mode.
3005 2006-10-21 Richard Guenther <rguenther@suse.de>
3008 * config/i386/i386.c (classify_argument): Remove redundant
3009 walking of the BINFOs.
3010 (contains_128bit_aligned_vector_p): Likewise.
3012 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3014 * BASE-VER: Set to 4.3.0.
3016 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3018 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3019 (tree_decl_with_vis): Remove artificial_pta_var flag.
3020 * tree-flow.h (referenced_var_check_and_insert): Expose.
3021 (nonlocal_all): New prototype.
3022 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3023 (nonlocal_all): Make global.
3024 (nonlocal_lookup): Remove.
3025 (nonlocal_insert): Ditto.
3026 (create_nonlocal_var): Do not call nonlocal_insert.
3027 (get_nonlocal_id_for_type): Remove.
3028 (find_global_initializers): Mark new vars we find for renaming.
3029 (intra_create_variable_infos): Only create one nonlocal.
3030 (expand_nonlocal_solutions): Remove.
3031 (compute_points_to_sets): Don't call it.
3032 (ipa_pta_execute): Ditto.
3033 (init_alias_heapvars): Don't create nonlocal_for_type.
3034 (delete_alias_heapvars): Don't remove it.
3035 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3038 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3040 * doc/install.texi (Downloading GCC): Clarify mention of
3041 Fortran in the "full distribution" description.
3043 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3045 Fix PR tree-optimization/28778
3046 Fix PR tree-optimization/29156
3047 Fix PR tree-optimization/29415
3048 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3049 (tree_decl_with_vis): Add artificial_pta_var flag.
3050 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3051 pushed into callers.
3052 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3053 (nonlocal_all): Ditto.
3054 (struct variable_info): Add directly_dereferenced member.
3055 (var_escaped_vars): New variable.
3056 (escaped_vars_tree): Ditto.
3057 (escaped_vars_id): Ditto.
3058 (nonlocal_vars_id): Ditto.
3059 (new_var_info): Set directly_dereferenced.
3060 (graph_size): New variable
3061 (build_constraint_graph): Use graph_size.
3062 (solve_graph): Don't process constraints that cannot change the
3063 solution, don't try to propagate an empty solution to our
3065 (process_constraint): Set directly_dereferenced.
3066 (could_have_pointers): New function.
3067 (get_constraint_for_component_ref): Don't process STRING_CST.
3068 (nonlocal_lookup): New function.
3069 (nonlocal_insert): Ditto.
3070 (create_nonlocal_var): Ditto.
3071 (get_nonlocal_id_for_type): Ditto.
3072 (get_constraint_for): Allow results vector to be empty in the case
3073 of string constants.
3074 Handle results of calls properly.
3075 (update_alias_info): Update alias info stats on number and type of
3077 (find_func_aliases): Use could_have_pointers.
3078 (make_constraint_from_escaped): Renamed from
3079 make_constraint_to_anything, and changed to make constraints from
3081 (make_constraint_to_escaped): New function.
3082 (find_global_initializers): Ditto.
3083 (create_variable_info_for): Make constraint from escaped to any
3084 global variable, and from any global variable to the set of
3086 (intra_create_variable_infos): Deal with escaped instead of
3087 pointing to anything.
3088 (set_uids_in_ptset): Do type pruning on directly dereferenced
3090 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3091 (init_base_vars): Fix comment, and initialize escaped_vars.
3092 (need_to_solve): Removed.
3093 (find_escape_constraints): New function.
3094 (expand_nonlocal_solutions): Ditto.
3095 (compute_points_to_sets): Call find_escape_constraints and
3096 expand_nonlocal_solutions.
3097 (delete_points_to_sets): Don't fall off the end of the graph.
3098 (init_alias_heapvars): Initialize nonlocal_for_type and
3100 (delete_alias_heapvars): Free nonlocal_for_type and null out
3103 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3105 * fold-const.c (add_double): Rename to add_double_with_sign.
3106 Add 'unsigned_p' parameter and take it into account for the overflow.
3107 (mul_double): Rename to mul_double_with_sign.
3108 Add 'unsigned_p' parameter and take it into account for the overflow.
3109 (fold_div_compare): Call add_double_with_sign instead of add_double
3110 and mul_double_with_sign instead of mul_double, passing them the
3111 unsignedness of the type.
3112 * tree.h (add_double): Macroize.
3113 (add_double_with_sign): New prototype.
3114 (mul_double): Macroize.
3115 (mul_double_with_sign): New prototype.
3117 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3119 * config/score/crti.asm: New file.
3120 * config/score/crtn.asm: New file.
3121 * config/score/elf.h: New file.
3122 * config/score/mac.md: New file.
3123 * config/score/misc.md: New file.
3124 * config/score/mul-div.S: New file.
3125 * config/score/predicates.md: New file.
3126 * config/score/score7.md: New file.
3127 * config/score/score.c: New file.
3128 * config/score/score-conv.h: New file.
3129 * config/score/score.h: New file.
3130 * config/score/score.md: New file.
3131 * config/score/score-mdaux.c: New file.
3132 * config/score/score-mdaux.h: New file.
3133 * config/score/score-modes.def: New file.
3134 * config/score/score.opt: New file.
3135 * config/score/score-protos.h: New file.
3136 * config/score/score-version.h: New file.
3137 * config/score/t-score-elf: New file.
3138 * config.gcc: Add score*-*-* configurations(Update before).
3139 * doc/invoke.texi (Score Options): New section.
3140 * doc/md.texi (Score family): New section to document constraints.
3142 2006-10-19 Nick Clifton <nickc@redhat.com>
3144 * config/arm/arm.c: Fix spelling typo.
3146 2006-10-18 Tom Tromey <tromey@redhat.com>
3148 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3150 2006-10-18 Jan Hubicka <jh@suse.cz>
3153 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3156 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3158 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3159 TSI_SAME_STMT, since that's the desired entity.
3161 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3163 * config/s390/contraints.md: New file.
3164 * config/s390/s390-protos.h (s390_mem_constraint,
3165 s390_O_constraint_str, s390_N_constraint_str,
3166 s390_float_const_zero_p): Function prototypes added.
3167 * config/s390/s390.c (s390_extra_constraint_str,
3168 s390_const_double_ok_for_constraint_p,
3169 s390_const_ok_for_constraint_p): Functions removed.
3170 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3171 s390_float_const_zero_p): New functions.
3172 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3173 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3174 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3175 Macro definitions removed.
3176 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3177 s390_extra_constraint_str): Functions removed.
3179 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3180 Richard Sandiford <richard@codesourcery.com>
3183 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3184 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3186 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3188 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3189 (DWARF2_FRAME_REG_OUT): Likewise.
3190 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3191 (DWARF2_FRAME_REG_OUT): Likewise.
3193 2006-10-17 Paul Brook <paul@codesourcery.com>
3195 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3197 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3199 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3200 Standardize on "GNU Fortran" as the official name of the Fortran
3203 2006-10-16 Mike Stump <mrs@apple.com>
3205 * doc/invoke.texi (Darwin Options): Document -mkernel.
3206 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3208 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3209 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3210 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3211 (OS_MISSING_ALTIVEC): Add.
3212 * config/i386/i386.c (override_options): Add
3213 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3214 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3215 -mkernel, -static or -mdynamic-no-pic is given.
3216 (C_COMMON_OVERRIDE_OPTIONS): Add.
3217 * config/darwin.opt (fapple-kext): Add.
3219 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3220 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3222 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3223 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3224 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3225 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3226 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3227 (flag_mkernel): Add.
3228 (flag_apple_kext): Add.
3229 (TARGET_KEXTABI): Add.
3230 * config/darwin.c (darwin_handle_kext_attribute): Add.
3231 (DARWIN_VTABLE_P): Add.
3232 (darwin_binds_local_p): Add partial support for rebinding vtables
3234 (darwin_kextabi_p): Add.
3235 (darwin_override_options): Add.
3236 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3237 (darwin_kextabi_p): Add.
3238 (darwin_override_options): Add.
3239 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3240 __DYNAMIC__ and __STATIC__ here.
3242 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3244 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3245 Added mention of "make pdf" target, and Texinfo requirements for
3248 2006-10-16 DJ Delorie <dj@redhat.com>
3250 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3251 into the GOT in case we need a subreg of the address.
3253 2006-10-16 Richard Guenther <rguenther@suse.de>
3256 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3257 SSE builtin documentation. Document SSE2 builtins.
3259 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3261 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3262 symbol in the output file for non-shared links when -nostdlib or
3263 -nodefaultlibs isn't specified.
3265 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3266 posix thread support.
3268 2006-10-15 Jan Hubicka <jh@suse.cz>
3271 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3272 declared always_inline even when not inlining.
3274 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3275 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3276 Andrew Pinski <pinskia@gmail.com>
3279 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3281 2006-10-15 Jan Hubicka <jh@suse.cz>
3282 Richard Guenther <rguenther@suse.de>
3285 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3286 process_function_and_variable_attributes on all variables, including
3287 those discovered during cgraph construction phase.
3289 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3291 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3293 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3295 * config/i386/athlon.md (athlon_fist): Add fisttp.
3297 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3298 Ian Lance Taylor <ian@airs.com>
3301 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3302 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3305 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3307 * config/score/score.c, config/score/score.h: Fix comment
3310 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3313 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3316 2006-10-13 Eric Christopher <echristo@apple.com>
3318 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3320 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3323 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3324 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3325 alignment supported by 32-bit ELF.
3327 2006-10-13 Eric Christopher <echristo@apple.com>
3329 * config/darwin.c (darwin_emit_unwind_label): Strip
3330 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3332 2006-10-13 Richard Guenther <rguenther@suse.de>
3334 PR tree-optimization/29446
3335 * tree-vrp.c (fix_equivalence_set): Remove.
3336 (extract_range_from_assert): Do not call fix_equivalence_set.
3337 (debug_value_range): Print a newline.
3338 (compare_name_with_value): For equivalence sets with
3339 inconsistent value ranges conservatively bail out.
3340 (compare_names): Likewise.
3342 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3344 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3345 and MPFR for gfortran.
3347 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3349 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3350 alignment supported by 32-bit ELF.
3352 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3356 * c-typeck.c (digest_init): Always allow initializing vectors
3357 that have static storage duration with compound literals.
3358 * tree.c (build_type_attribute_qual_variant): New, based on
3359 build_type_attribute_variant.
3360 (build_type_attribute_variant): Rewrite using the former.
3361 (make_vector_type): Use build_type_attribute_qual_variant to build
3362 type variants. Use type_hash_canon on the others.
3364 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3365 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3367 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3369 2006-10-12 Jan Hubicka <jh@suse.cz>
3372 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3373 current_function_decl is set but current_function_scope is not.
3375 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3377 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3378 emit_insn to emit eh_return_internal instruction.
3379 (eh_return_internal): Explicitly set pc.
3381 2006-10-11 Richard Guenther <rguenther@suse.de>
3383 PR tree-optimization/28230
3384 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3385 to the correct place.
3387 2006-10-11 Richard Guenther <rguenther@suse.de>
3390 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3393 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3395 * configure.ac: Added pdf to "Make-hooks"
3396 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3397 targets and *.pdf file patterns in cleanup targets.
3398 * configure: Regenerated.
3400 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3402 * config/avr/predicates.md: New file.
3403 * config/avr/avr.md: Include it.
3404 (REG_SP): New constant.
3405 (peepholes): Use predicates.
3406 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3407 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3408 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3410 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3412 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3415 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3418 * builtins.c (var_decl_component_p): New function.
3419 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3420 single entry optimization to variables and components thereof.
3422 2006-10-10 Richard Guenther <rguenther@suse.de>
3424 PR rtl-optimization/29323
3425 * except.c (set_nothrow_function_flags): For functions
3426 that do not bind local bail out early.
3428 2006-10-10 Ben Elliston <bje@au.ibm.com>
3430 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3433 2006-10-09 Richard Henderson <rth@redhat.com>
3435 Revert emutls patch.
3437 2006-10-09 Richard Guenther <rguenther@suse.de>
3440 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3443 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3446 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3447 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3448 * configure: Regenerate.
3449 * config.in: Regenerate.
3451 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3453 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3455 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3457 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3458 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3459 Remove stray newline.
3461 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3463 * config/mips/mips.c (mips_classify_symbol): Do not return
3464 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3465 (mips_in_small_data_p): Tweak comments.
3467 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3469 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3471 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3473 * gimplify.c, sched-int.h: Fix comment typos.
3475 * sched-int.h: Fix comment typos.
3477 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3479 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3481 * sched-ebb.c (begin_schedule_ready): Use them.
3482 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3483 add_to_speculative_block, create_check_block_twin, speculate_insn,
3484 fix_jump_move, move_block_after_check): Ditto.
3485 * sched-rgn.c (new_ready): Ditto.
3487 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3489 PR rtl-optimization/29128
3490 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3491 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3492 allow interblock movement of speculation checks.
3494 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3497 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3498 casted to integer type.
3499 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3500 if they are significantly more expensive than [reg + index] ones.
3502 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3504 PR tree-optimization/29330
3505 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3506 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3507 on newly allocated ddrs.
3508 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3509 to VEC (loop_p, heap) pointer.
3510 (compute_data_dependences_for_loop): Adjust caller.
3511 (free_dependence_relations): Free DDR_LOOP_NEST.
3513 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3514 free DEPENDENCE_RELATIONS and DATAREFS.
3517 * builtins.c (expand_builtin_sync_operation,
3518 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3519 Use convert_to_mode to handle promoted arguments.
3521 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3523 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3525 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3527 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3529 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3531 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3532 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3533 Use <modeconstraint> instead of "r" as operand 1 constraint.
3535 2006-10-06 Olivier Hainque <hainque@adacore.com>
3537 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3538 Don't recurse on the pointed-to type.
3539 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3540 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3541 types with components of variable size.
3543 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3545 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3547 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3549 PR tree-optimization/29290
3550 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3554 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3555 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3558 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3559 the number of vector elements fill the rest with zeros.
3561 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3563 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3564 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3567 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3569 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3570 unnamed pattern into subsi3. Use correct constraints/predicates.
3571 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3572 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3574 2006-10-05 Ira Rosen <irar@il.ibm.com>
3576 * doc/loop.texi: Add data references analysis description.
3578 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3580 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3582 2006-10-04 Richard Henderson <rth@redhat.com>
3583 Jakub Jelinek <jakub@redhat.com>
3585 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3586 * builtin-types.def (BT_WORD): Make unsigned.
3587 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3588 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3589 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3590 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3591 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3592 * cgraph.c (decide_is_variable_needed): Look at force_output.
3593 Recurse for emulated tls.
3594 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3595 checks redundant with decide_is_variable_needed.
3596 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3597 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3599 * expr.c (emutls_var_address): New.
3600 (expand_expr_real_1): Expand emulated tls.
3601 (expand_expr_addr_expr_1): Likewise.
3602 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3603 * output.h (emutls_finish): Declare.
3604 * toplev.c (compile_file): Call it.
3605 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3606 address before wrapping in CONST.
3607 * varasm.c (emutls_htab, emutls_object_type): New.
3608 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3609 (get_emutls_object_name, get_emutls_object_type): New.
3610 (get_emutls_init_templ_addr, emutls_decl): New.
3611 (emutls_common_1, emutls_finish): New.
3612 (assemble_variable): When emulating tls, swap decls; generate
3613 constructor for the emutls objects.
3614 (do_assemble_alias): When emulating tls, swap decl and target name.
3615 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3617 * emutls.c: New file.
3618 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3619 tls_object for real tls.
3621 2006-10-04 Zack Weinberg <zackw@panix.com>
3623 Fix bug in constraint-check generator, reported by Rask Ingemann
3625 * genpreds.c (add_constraint): Don't remove anything from the
3627 (write_tm_constrs_h): Detect whether "op" argument is used, and
3628 mark it ARG_UNUSED if it isn't.
3629 (write_insn_const_int_ok_for_constraint): Skip the part of the
3630 expression that would test whether "op" (which is not available
3631 here) is a CONST_INT.
3633 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3636 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3638 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3640 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3641 current Leopard versions.
3642 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3644 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3646 * doc/install.texi: Fix typos.
3648 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3650 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3651 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3652 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3654 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3656 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3657 arg to be struct mach_header_64* instead.
3659 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3662 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3663 side effects after the outer expression's post side effects.
3665 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3667 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3668 comments to reflect actual behavior and relationship between
3669 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3671 * doc/c-tree.texi (Working with declarations): Fix documentation
3672 of FIELD_DECL likewise.
3674 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3677 * doc/extend.texi: Add used variable attribute description.
3679 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3682 * c.opt (Woverride-init): New.
3683 * c-opts.c (c_common_post_options): Default warn_override_init to
3685 * c-typeck.c (add_pending_init, output_init_element): Warn for
3686 overriding initializers without side effects.
3687 * doc/invoke.texi (-Woverride-init): Document.
3690 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3692 PR rtl-optimization/28096
3693 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3694 assignment has already been used as a destination earlier in the block.
3696 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3698 * builtins.c (expand_builtin_setjmp): Delete.
3699 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3700 <BUILT_IN_SETJMP_SETUP>: New case.
3701 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3702 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3703 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3704 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3705 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3706 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3707 (lower_function_body): Initialize it to false. If it is set to true
3708 at the end of the processing, emit the setjmp dispatcher.
3709 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3710 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3711 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3712 on the rhs of the assignment.
3713 (lower_builtin_setjmp): New function.
3714 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3715 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3716 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3717 to detect calls that can go to non-local labels. Use specific
3718 helper to create the abnormal edges associated with them.
3719 <MODIFY_EXPR>: Likewise.
3720 (make_abnormal_goto_edges): New function extracted from...
3721 (make_goto_expr_edges): ...here. Call it for computed gotos.
3722 (simple_goto_p): Minor tweak.
3723 (tree_can_make_abnormal_goto): New predicate.
3724 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3725 (tree_purge_dead_abnormal_call_edges): New function.
3726 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3727 (tree_purge_dead_abnormal_call_edges): Likewise.
3728 (make_abnormal_goto_edges): Likewise.
3729 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3730 Purge all dead abnormal edges if the call was in the last statement.
3731 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3732 (execute_fixup_cfg): If there are non-local labels in the function,
3733 scan the basic blocks and split them at calls that can go to non-local
3734 labels or add missing abnormal call edges. Write down the CFG in the
3736 (pass_fixup_cfg): Remove TODO_dump_func flag.
3737 * unwind-sjlj.c: Poison setjmp.
3738 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3739 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3740 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3741 (DONT_USE_BUILTIN_SETJMP): Document it.
3743 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3746 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3747 to 1 when __ppc64__ is defined.
3748 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3750 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3752 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3754 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3755 * config/ia64/unwind-hpux.c: Delete.
3757 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3759 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3760 on the element before gimplifying it, instead of punting if it is of
3763 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3765 * doc/loop.texi: New file.
3766 * doc/gccint.texi: Reference loop.texi.
3767 * Makefile.in (loop.texi): Add.
3769 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3771 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3773 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3774 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3776 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3778 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3780 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3782 * doc/install.texi: Document required versions of GMP and MPFR.
3784 2006-09-27 Paul Brook <paul@codesourcery.com>
3787 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3789 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3791 * reload1.c (alter_reg): Require the alignment of the stack slot to
3792 be at least reg_max_ref_width bytes.
3793 (scan_paradoxical_subregs): Record the largest width in
3796 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3800 * tree-nested.c (struct nesting_info): Added static_chain_added.
3801 (convert_call_expr): Set static_chain_added when adding static
3802 chain. Handle OMP_PARALLEL and OMP_SECTION.
3804 2006-09-25 Matthias Klose <doko@debian.org>
3806 * doc/invoke.texi: Add missing full stop.
3808 2006-09-25 Richard Henderson <rth@redhat.com>
3810 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3811 before cgraph_function_flags_ready.
3813 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3814 Adam Nemet <anemet@caviumnetworks.com>
3816 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3817 determine_common_wider_type): New functions.
3818 (get_computation_aff): Use them to simplify arithmetic between
3819 UBASE and CBASE if they are shortened from the same type.
3821 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3824 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3825 -2147483647 - 1 instead of 0x80000000.
3827 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3829 * flags.h (HONOR_NANS): Fix typo in comment.
3831 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3833 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3835 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3839 * tree.c (merge_attributes, attribute_list_contained): If both
3840 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3842 * c-typeck.c (comptypes_internal): Don't consider aggregates
3843 in different TUs as compatible if there one set of attributes is
3844 not a subset of the other type's attributes.
3845 (composite_type): Try harder not to create a new aggregate type.
3847 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3849 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3850 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3851 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3852 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3853 than replicating condition above.
3854 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3856 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3857 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3858 the linker by default.
3860 2006-09-22 Mike Stump <mrs@apple.com>
3862 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3865 2006-09-22 Richard Guenther <rguenther@suse.de>
3868 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3869 sort of stack variables stable.
3871 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3874 * explow.c (force_reg): Set REG_POINTER flag according to
3877 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3879 PR tree-optimization/28888
3880 * tree-if-conv.c (combine_blocks): Rewritten.
3881 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3882 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3884 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3886 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3889 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3891 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3893 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3895 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3897 2006-09-21 Roger Sayle <roger@eyesopen.com>
3900 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3901 dw_fde_current_label, to be the start of the function, i.e. the same
3902 value as dw_fde_begin.
3904 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3906 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3907 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3908 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3909 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3910 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3911 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3912 (abs<mode>2, neg<mode>2): Likewise.
3913 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3914 (*mips_abs_ps): New define_insn.
3916 2006-09-20 Josh Conner <jconner@apple.com>
3919 * calls.c (expand_call): Allow reuse of structure return stack
3922 2006-09-20 Paul Brook <paul@codesourcery.com>
3924 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3927 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3929 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3930 clean up terminology.
3932 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3935 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3936 with tablejumps in them.
3938 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3941 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3942 wrap it into TARGET_EXPR.
3944 2006-09-20 Eric Christopher <echristo@apple.com>
3946 * config/i386/i386.c (x86_fisttp): Remove.
3947 * config/i386/i386.h (x86_fisttp): Ditto.
3948 (TARGET_FISTTP): Ditto.
3950 2006-09-19 Eric Christopher <echristo@apple.com>
3952 * doc/tm.texi (OBJC_JBLEN): Describe.
3953 * config/i386/darwin.h (OBJC_JBLEN): Define.
3954 * config/rs6000/darwin.h: Ditto.
3956 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3958 PR rtl-optimization/21299
3959 * reload1.c (reload): Purge invalid ASMs in the final pass.
3961 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3964 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3965 pointers as legitimate constants.
3967 2006-09-19 Paul Brook <paul@codesourcery.com>
3970 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3972 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3974 PR tree-optimization/28887
3975 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3976 component parts from the reference.
3977 (gather_memory_references_ref): Record the reference without the
3978 nonaddressable component parts.
3980 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3983 * c-opts.c (c_common_handle_option): Ignore the -std options
3984 if the input language is assembly.
3986 2006-09-17 Ira Rosen <irar@il.ibm.com>
3989 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3991 (ptr_ptr_may_alias_p): Likewise.
3992 (record_record_differ_p): New function.
3993 (base_object_differ_p): Call record_record_differ_p.
3995 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3998 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3999 away for the expr argument.
4001 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4004 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4005 before using it for dumping after vectorizing loops.
4007 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4008 Jack Howarth <howarth@bromo.med.uc.edu>
4011 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4012 skip on error_mark_node.
4013 (rs6000_darwin64_record_arg_recurse): Likewise.
4015 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4017 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4018 * doc/rtl.texi: Remove related documentation.
4020 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4022 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4025 2006-09-15 Jim Wilson <wilson@specifix.com>
4027 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4028 Handle symbol offsets same as they are handled in ia64_expand_move
4031 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4033 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4034 Add forgotten parameter to the fprintf call.
4036 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4038 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4040 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4042 * doc/contrib.texi: Add my entry.
4044 2006-09-15 Nick Clifton <nickc@redhat.com>
4046 * doc/md.texi (Processor pipeline description): Fix typo in
4047 example of how to use the absence_set directive and reword the
4048 description to make it slightly easier to read.
4050 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4052 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4053 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4054 expanding the number of iterations.
4055 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4057 * cfgrtl.c (emit_insn_at_entry): New function.
4058 * rtl.h (emit_insn_at_entry): Declare it.
4059 * integrate.c (emit_initial_value_sets): Use it.
4061 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4063 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4065 (struct loop_work and related VEC declarations): Delete.
4066 (bfin_dump_loops): Print out new member bad.
4067 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4068 (bfin_scan_loop): Don't recurse.
4069 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4070 loops. No longer need to update outer loops if the current one is
4071 found bad. Move some validitiy checks to bfin_discover_loop.
4072 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4073 but changed not to check for nesting. Also changed to use the new bad
4075 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4076 time. Use bitmap based test to discover loop nesting.
4078 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4080 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4083 2006-09-14 Richard Guenther <rguenther@suse.de>
4084 Kazu Hirata <kazu@codesourcery.com>
4086 PR middle-end/28884.
4087 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4088 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4089 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4090 with TARGET_FUNCTION_VALUE.
4092 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4095 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4097 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4099 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4102 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4105 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4108 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4110 * basic_block.h (bb_has_eh_pred): Fix comment.
4112 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4114 * flow.c (calculate_global_regs_live): Invalidate eh registers
4115 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4116 (propagate_block): Handle eh registers as if they were set at basic
4118 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4120 * global.c (global_conflicts): Make eh registers to conflict with
4121 pseudos live at basic block begin.
4122 * basic_block.h (bb_has_eh_pred): New function.
4124 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4126 PR rtl-optimization/28982
4127 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4128 index of a PRE_MODIFY or POST_MODIFY address.
4129 * reload1.c (inc_for_reload): Use find_replacement on the original
4130 base and index registers.
4132 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4134 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4135 for -Os. Update __m128 alignment requirement.
4137 2006-09-13 Jan Hubicka <jh@suse.cz>
4139 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4141 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4143 PR rtl-optimization/28243
4144 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4145 the insn to which the note was originally attached.
4147 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4148 Roger Sayle <roger@eyesopen.com>
4150 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4151 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4152 on platforms that don't use dwarf for debug info.
4154 2006-09-12 Jason Merrill <jason@redhat.com>
4157 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4158 hard_frame_pointer_rtx after using it to update the frame pointer.
4160 2006-09-12 Roger Sayle <roger@eyesopen.com>
4162 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4163 (TARGET_ASM_CLOSE_PAREN): Likewise.
4164 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4165 (TARGET_ASM_CLOSE_PAREN): Likewise.
4167 2006-09-12 Roger Sayle <roger@eyesopen.com>
4170 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4171 frame information for frames larger than 512 Kbytes on Tru64 when
4172 using the native assembler.
4174 2006-09-12 Roger Sayle <roger@eyesopen.com>
4178 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4179 and symbols. Instead use the implementation from cse.c's hash_rtx.
4181 2006-09-12 Jan Hubicka <jh@suse.cz>
4183 PR rtl-optimization/28071
4184 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4185 (vect_transform_loop): Likewise.
4186 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4187 (new_loop_vec_info): Likewise.
4188 (destroy_loop_vec_info): Likewise.
4189 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4190 (create_stmt_ann): Likewise.
4191 (create_tree_ann): Rename to ...
4192 (create_tree_common_ann): ... this one; allocate only the common part
4194 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4195 (get_value_handle): Likewise.
4196 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4197 get_tree_common_ann.
4198 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4199 (vinfo_for_stmt): Use stmt annotations.
4200 * tree-flow.h (tree_ann_common_t): New type.
4201 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4202 (tree_ann, get_tree_ann, create_tree_ann): New.
4203 * tree-flow-inline.h (get_function_ann): Do more type checking.
4204 (stmt_ann): Likewise.
4205 (tree_ann): Rename to ...
4206 (tree_common_ann): ... this one; return ony common_ann
4207 (get_tree_ann): Rename to ...
4208 (tree_common_ann): This one; return only common_ann.
4209 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4212 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4214 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4215 with_cpu by default.
4217 * dwarf2out.c (dwarf_file_data): New.
4218 (enum dw_val_class): Add dw_val_class_file.
4219 (struct dw_val_struct): Add val_file.
4220 (file_table): Change to a hash table.
4221 (file_table_emitted): Delete.
4222 (file_table_last_lookup_index): Delete.
4223 (emitcount): Delete.
4224 (last_emitted_file): New.
4225 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4226 (init_file_table): Delete.
4227 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4228 (AT_addr): Add comment.
4232 (print_die): Handle dw_val_class_file.
4233 (print_dwarf_line_table): Update for new file table structure.
4234 (attr_checksum): Do checksum a filename.
4235 (same_dw_val_p, same_attr_p): Do compare a filename.
4236 (size_of_die): Handle dw_val_class_file.
4237 (value_format): Likewise.
4238 (output_die): Likewise. Also, call maybe_emit_file here.
4239 (struct file_info): Constify filenames. Make file_idx a pointer
4240 to a struct dwarf_file_data.
4241 (struct dir_info): Constify directory names. Remove 'used' field.
4242 (struct file_name_acquire_data): New.
4243 (file_name_acquire): New.
4244 (output_file_names): Modify to handle new file data structures.
4245 (add_src_coords_attributes): Use add_AT_file.
4246 (add_call_src_coords_attributes): Likewise.
4247 (dwarf2out_imported_module_or_decl): Likewise.
4248 (gen_subprogram_die): Modify for new file data structures.
4249 (gen_variable_die): Likewise.
4250 (file_table_eq): New.
4251 (file_table_hash): New.
4252 (file_table_last_lookup): New.
4253 (lookup_filename): Rewrite to handle new file data structures.
4254 (maybe_emit_file): Rewrite to handle new file data structures.
4255 (dwarf2out_source_line): Always call lookup_filename and
4257 (dwarf2out_init): Create file_table here.
4258 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4259 (file_table_relative_p): New.
4260 (dwarf2out_finish): Change detection of relative filenames
4261 to work with new file data structures. Move output_line_info call
4262 after debug_info output.
4264 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4269 * config/i386/i386.c (override_options): Always default to 16
4270 byte stack boundary.
4272 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4275 * var-tracking.c (dump_dataflow_set): Start dumping at
4277 (clobber_variable_part): Kill only the variable part in
4278 registers holding it, leaving other variables alone.
4280 2006-09-11 Josh Triplett <josh@freedesktop.org>
4282 * doc/extend.texi (Other Builtins): Actually use the macro
4283 argument in the documentation example for
4284 __builtin_types_compatible_p.
4286 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4288 PR rtl-optimization/28726
4289 * sched-deps.c (sched_analyze_reg): New function extracted from...
4290 (sched_analyze_1): ...here. Call it to analyze references to
4291 registers. Treat again writes to a stack register as writing to the
4293 (sched_analyze_2): ...and here. Call it to analyze references to
4294 registers. Treat again reads of a stack register as reading the
4297 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4298 David Edelsohn <edelsohn@gnu.org>
4301 * config/rs6000/spe.md (frob_df_di): Remove %H.
4302 (frob_di_df): Remove %H. Change evmergelo to mr.
4303 (frob_di_df_2): Remove %H. Change evldd to two loads.
4305 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4307 * doc/cpp.texi: Fix names of charset options.
4309 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4312 * config/i386/i386.c (override_options): Use 128-bit
4313 stack boundary always for 64bits.
4315 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4317 PR rtl-optimization/28636
4318 * combine.c (force_to_mode): Test for side-effects before
4319 substituting by zero.
4320 (simplify_shift_const): Likewise for zero or other constants.
4322 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4325 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4328 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4331 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4332 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4333 returned by mode_for_size, rather than the mode of src itself,
4334 to choose between 32-bit and 64-bit patterns.
4335 (mips_mem_fits_mode_p): New function.
4336 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4337 that the size of the source matches the size of the destination.
4338 (mov_<store>l, mov_<store>r): Likewise.
4340 2006-09-10 Eric Christopher <echristo@apple.com>
4342 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4345 2006-09-09 Eric Christopher <echristo@apple.com>
4348 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4351 2006-09-09 Roger Sayle <roger@eyesopen.com>
4352 Nicolas Setton <setton@adacore.com>
4354 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4356 2006-09-10 Andreas Schwab <schwab@suse.de>
4358 * config/m68k/m68k.md (bungt_rev): New pattern.
4360 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4361 Dale Johannesen <dalej@apple.com>
4364 * regclass.c (struct reg_pref): Update documentation.
4365 (regclass): Set prefclass to NO_REGS if memory is the best option.
4366 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4368 2006-09-08 Eric Christopher <echristo@apple.com>
4370 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4371 * config/t-slibgcc-darwin: Support x86_64 multilib.
4372 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4373 Return 1 for x86_64-darwin.
4374 * config/i386/t-darwin: Add m64 multilib.
4375 (LIB2_SIDITI_CONV_FUNCS): Use.
4376 (LIB2FUNCS_EXTRA): Ditto.
4377 * config/i386/darwin.h: Support x86_64.
4378 * config/i386/i386.c (override_options): Turn on flag_pic
4379 for x86_64-darwin. Disable flag_omit_pointer.
4380 (get_pc_thunk_name): Assert !TARGET_64BIT.
4381 (legitimate_address_p): Disable machopic addressing for
4383 (legitimize_pic_address): Ditto.
4384 (ix86_expand_move): Ditto.
4385 (ix86_expand_call): Ditto.
4386 (machopic_output_stub): Ditto.
4387 * config/darwin.c (machopic_select_section): Support literal16.
4388 (machopic_select_rtx_section): Ditto.
4389 * config/darwin-sections.def: Ditto.
4390 * config/darwin-64.c: New.
4392 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4395 * c-tree.h (struct c_arg_info): Add pending_sizes.
4396 * c-parser.c (c_parser_parms_declarator,
4397 c_parser_parms_list_declarator): Initialize pending_sizes.
4398 * c-decl.c (get_parm_info): Initialize pending_sizes.
4399 (get_parm_info): Set pending_sizes.
4400 (grokdeclarator): Call put_pending_sizes for parameters for
4401 function definition only.
4403 2006-09-07 Jason Merrill <jason@redhat.com>
4406 * varasm.c (output_constant): Only strip actual no-op conversions.
4409 * config/i386/i386.c (override_options): Use 128-bit
4410 stack boundary if -msse.
4412 2006-09-07 Eric Christopher <echristo@apple.com>
4414 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4416 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4419 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4421 * dwarf2out.c: Remove strange characters from comment above
4422 dwarf2out_frame_debug_expr.
4424 2006-09-07 Eric Christopher <echristo@apple.com>
4426 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4427 * config/darwin.h: ... to here.
4429 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4431 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4433 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4434 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4436 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4437 TARGET_PARTIAL_FLAG_REG_STALL.
4438 (*ashldi3_cconly_rex64): Likewise.
4439 (*ashlsi3_cmp): Likewise.
4440 (*ashlsi3_cconly): Likewise.
4441 (*ashlsi3_cmp_zext): Likewise.
4442 (*ashlhi3_cmp): Likewise.
4443 (*ashlhi3_cconly): Likewise.
4444 (*ashlqi3_cmp): Likewise.
4445 (*ashlqi3_cconly): Likewise.
4446 (*ashrdi3_cmp_rex64): Likewise.
4447 (*ashrdi3_cconly_rex64): Likewise.
4448 (*ashrsi3_cmp): Likewise.
4449 (*ashrsi3_cconly): Likewise.
4450 (*ashrsi3_cmp_zext): Likewise.
4451 (*ashrhi3_cmp): Likewise.
4452 (*ashrhi3_cconly): Likewise.
4453 (*ashrqi3_cmp): Likewise.
4454 (*ashrqi3_cconly): Likewise.
4455 (*lshrdi3_cmp_rex64): Likewise.
4456 (*lshrdi3_cconly_rex64): Likewise.
4457 (*lshrsi3_cmp): Likewise.
4458 (*lshrsi3_cconly): Likewise.
4459 (*lshrsi3_cmp_zext): Likewise.
4460 (*lshrhi3_cmp): Likewise.
4461 (*lshrhi3_cconly): Likewise.
4462 (*lshrqi2_cmp): Likewise.
4463 (*lshrqi2_cconly): Likewise.
4465 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4468 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4469 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4470 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4471 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4472 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4473 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4474 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4475 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4476 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4477 implement only CC setting effects of shift instructions.
4479 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4481 * doc/contrib.texi: Add myself.
4483 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4486 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4487 was set by the user.
4489 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4492 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4493 (divsi_inv_m1): Use them.
4494 (UNSPEC_DIV_INV_TABLE): New constant.
4496 2006-09-06 James E Wilson <wilson@specifix.com>
4499 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4500 then call count_or_remove_death_notes.
4502 2006-09-06 Jason Merrill <jason@redhat.com>
4505 * tree-inline.c (copy_result_decl_to_var): New fn.
4506 (declare_return_variable): Use it. Call declare_inline_vars here.
4507 (expand_call_inline): Not here.
4509 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4511 * doc/contrib.texi: Update my entry.
4513 2006-09-06 Nick Clifton <nickc@redhat.com>
4515 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4517 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4520 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4521 (canonicalize_induction_variables): Likewise.
4522 (tree_unroll_loops_completely): Likewise.
4523 (tree_ssa_prefetch_arrays): Likewise.
4524 (remove_empty_loops): Likewise.
4525 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4526 TODO_cleanup_cfg instead of directly calling
4527 cleanup_tree_cfg_loop.
4528 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4530 (tree_unroll_loops_completely): Likewise.
4531 (remove_empty_loops): Likewise.
4532 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4533 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4534 of tree_ssa_unswitch_loops.
4535 (tree_ssa_loop_ivcanon): Use the return value of
4536 canonicalize_induction_variables.
4537 (tree_ssa_empty_loop): Use the return value of
4539 (tree_complete_unroll): Use the return value of
4540 tree_unroll_loops_completely.
4541 (tree_ssa_loop_prefetch): Use the return value of
4542 tree_ssa_prefetch_arrays.
4543 * passes.c (execute_todo): Before Cleanup CFG, set
4544 updating_used_alone and after cleanup CFG, call
4545 recalculate_used_alone.
4547 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4550 * tree-vect-transform.c (vectorizable_condition): Move the check
4551 for the type after the check for simple condition.
4553 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4554 Kaz Kojima <kkojima@gcc.gnu.org>
4557 * mode-switching.c (optimize_mode_switching): Make the destination
4558 block of an abnormal edge have no anticipatable mode. Don't
4559 insert mode switching code at the end of the source block of
4562 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4564 PR rtl-optimization/26847
4565 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4566 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4567 (simplify_plus_minus): Count n_constants while filling ops. Replace
4568 qsort with insertion sort. Before going through the array to simplify
4569 pairs, sort it. Delay early exit until after the first sort, exiting
4570 only if no swaps occurred. Simplify pairs in reversed order, without
4571 special-casing the first iteration. Pack ops after simplifying pairs.
4573 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4575 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4576 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4577 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4578 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4580 2006-09-05 Richard Guenther <rguenther@suse.de>
4582 PR tree-optimization/28900
4583 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4584 compound conditional before creating COND_EXPR condition.
4586 2006-09-05 Richard Guenther <rguenther@suse.de>
4588 PR tree-optimization/28905
4589 * tree-vrp.c (fix_equivalence_set): Manually implement
4590 !value_ranges_intersect_p to also handle symbolic ranges.
4592 2006-09-05 Richard Guenther <rguenther@suse.de>
4595 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4598 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4600 PR rtl-optimization/27616
4601 * cse.c (table_size): New static variable.
4602 (new_basic_block): Initialize it to 0.
4603 (remove_from_table): Decrement it.
4604 (insert): Increment it.
4605 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4606 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4607 fold_rtx_mem_1 if under the cap.
4608 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4609 the lookup of the equivalent expression and test for equality of the
4610 first operand of the equivalent expression before in turn looking up
4611 an equivalent constant for the second operand.
4613 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4616 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4617 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4618 pointer, instead of assuming it is possible to derive the
4619 correct args size from a call insn.
4621 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4624 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4625 (fold_builtin_mempcpy): Rename to...
4626 (fold_builtin_memory_op): ... this. Optimize one element copy
4628 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4630 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4631 (expand_builtin_memcpy, expand_builtin_mempcpy,
4632 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4633 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4634 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4635 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4637 2006-09-01 DJ Delorie <dj@redhat.com>
4639 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4640 (stzx_16): Likewise.
4641 ("stzx_24_<mode>"): Likewise.
4642 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4643 ("cmp<mode>_op"): New.
4644 (cmp<mode>): Change to expander; just save operands.
4646 (b<code>): Change to expander, emit compare here.
4647 (s<code>_op): Change to use split and expander.
4648 (s<code>_24_op): Likewise.
4649 (s<code>_<mode>): New.
4650 (s<code>_<mode>_24): New.
4651 (movqicc_<code>_<mode): New.
4652 (movhicc_<code>_<mode>): New.
4655 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4656 (m32c_pend_compare): New.
4657 (m32c_unpend_compare): New.
4658 (m32c_expand_scc): New.
4659 (m32c_expand_movcc): Emit the compare also.
4660 * config/m32c/predicates.md (mra_nopp_operand): New.
4662 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4663 Richard Guenther <rguenther@suse.de>
4664 Adam Nemet <anemet@caviumnetworks.com>
4667 * builtins.c (get_pointer_alignment): Handle more forms
4668 of base addresses that can be used to derive more precise
4669 information about alignment.
4671 2006-09-01 Jason Merrill <jason@redhat.com>
4674 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4677 * gimplify.c (voidify_wrapper_expr): Handle null type.
4679 2006-09-01 Josh Conner <jconner@apple.com>
4682 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4683 (execute_return_slot_opt): Use it.
4685 2006-08-31 Josh Conner <jconner@apple.com>
4688 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4689 returning aggregates.
4691 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4693 PR tree-optimization/28839
4694 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4695 blocks in that phi arguments appear.
4697 2006-08-31 Roger Sayle <roger@eyesopen.com>
4700 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4701 NULL, otherwise use an advance_loc4 to adjust relative to the
4703 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4704 (dwarf2out_switch_text_section): Reset the current label to avoid
4705 using advance_loc4 over section boundaries.
4707 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4710 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4711 r12 + SYMBOLIC_CONST.
4713 2006-08-30 Richard Guenther <rguenther@suse.de>
4715 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4717 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4719 PR rtl-optimization/27735
4720 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4721 Add new argument to keep track of whether an irreducible region
4722 was affected. All callers changed.
4723 (fix_irreducible_loops): Removed.
4724 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4725 flags were invalidated.
4727 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4729 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4730 instead of SF operands.
4731 (*fop_df_comm_sse): Likewise.
4732 (*fop_df_comm_i387): Likewise.
4733 (*fop_df_1_mixed): Likewise.
4734 (*fop_df_1_sse): Likewise.
4736 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4737 J"orn Rennecke <joern.rennecke@st.com>
4739 PR tree-optimization/17506
4740 * tree-ssa.c (warn_uninit): If warning about a location outside of
4741 the current function, note where the variable was declared.
4743 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4745 PR tree-optimization/28411
4746 * double-int.c (double_int_div): Use double_int_divmod.
4747 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4748 double_int_mod, double_int_smod, double_int_umod): New functions.
4749 * double-int.h (double_int_divmod, double_int_sdivmod,
4750 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4752 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4754 (get_computation_aff, get_computation_cost_at): Handle double_int
4755 return type of constant_multiple_of.
4757 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4760 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4761 an implicit conversion.
4763 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4765 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4767 2006-08-27 Roger Sayle <roger@eyesopen.com>
4769 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4772 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4774 * config/i386/crtfastmath.c: Fix a comment typo.
4776 2006-08-26 Roger Sayle <roger@eyesopen.com>
4778 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4779 temporary visit flags on CASE_LABEL_EXPRs.
4780 * c-common.c (match_case_to_enum): Add function comment. Avoid
4781 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4782 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4783 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4784 a constant, only warn if that constant value isn't handled.
4786 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4789 * input.h (restore_input_file_stack): Declare.
4790 (INPUT_FILE_STACK_BITS): Define.
4791 * toplev.c (fs_p, input_file_stack_history,
4792 input_file_stack_restored, restore_input_file_stack): New.
4793 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4794 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4795 (pop_srcloc): Don't free old state of stack.
4797 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4800 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4801 (PowerPC Type Attributes): New.
4803 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4805 * config/xtensa/xtensa.c (function_arg_boundary): New.
4806 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4808 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4809 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4811 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4814 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4817 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4819 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4820 (verify_local_live_at_start): Likewise.
4822 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4825 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4826 omp_add_variable): Treat sizes as variable whenever not
4829 2006-08-26 Richard Guenther <rguenther@suse.de>
4832 * fold-const.c (fold_binary): Fold temporary to correct
4833 type before constructing new comparison.
4835 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4838 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4839 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4841 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4844 * c-decl.c (start_function): Don't try to process prototype
4845 information from old declaration that isn't a function.
4847 2006-08-25 Jan Hubicka <jh@suse.cz>
4850 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4852 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4855 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4858 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4860 PR tree-optimization/16876
4861 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4862 exit if PARM doesn't match VALUE.
4864 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4866 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4867 literal_prefix directive.
4868 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4869 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4870 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4872 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4875 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4876 predicate to general_operand. Add 0->y and I->r alternatives.
4878 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4880 * doc/tm.texi: Fix a typo.
4881 * predict.c: Fix comment typos.
4883 2006-08-25 Nick Clifton <nickc@redhat.com>
4885 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4886 assertions of "cpu" and "machine".
4888 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4891 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4892 the access through a base which has an alias set of 0 cannot
4895 2006-08-24 Bill Wendling <wendling@apple.com>
4897 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4899 2006-08-24 Jan Hubicka <jh@suse.cz>
4901 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4903 2006-08-24 Jan Hubicka <jh@suse.cz>
4906 * cgraph.c: Fix comments.
4907 (cgraph_varpool_mark_needed_node): Mark only variables not already
4909 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4910 (cgraph_varpool_assembled_nodes_queue): New static variable.
4911 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4912 (cgraph_varpool_output_debug_info): New function.
4913 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4914 * Makefile.in: Add gt-cgraphunit.h
4916 2006-08-24 Jan Hubicka <jh@suse.cz>
4918 * predict.c (probability_reliable_p): New predicate.
4919 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4920 (predict_loops): Do not predict loop exit with less than 2%
4922 * basic-block.h (edge_probability_reliable_p,
4923 br_prob_note_reliable_p): Declare.
4924 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4925 prediction when static predictor is not reliable.
4926 * rs6000.c (output_cbranch): Likewise.
4928 2006-08-23 Stuart Hastings <stuart@apple.com>
4931 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4932 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4934 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4937 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4938 complex values, nor for generic vector values.
4940 2006-08-22 Richard Guenther <rguenther@suse.de>
4943 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4944 parameter. Convert arguments to arithmetic expression to the
4946 (analyze_scalar_evolution_1): Adjust caller.
4948 2006-08-22 Jan Hubicka <jh@suse.cz>
4950 Patch by Paolo Bonzini
4951 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4954 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4956 PR tree-optimization/28003
4957 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4958 before grouping aliases.
4960 2006-08-22 Roger Sayle <roger@eyesopen.com>
4962 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4963 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4965 2006-08-21 Jason Merrill <jason@redhat.com>
4968 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4969 wrapper. Loop to handle nested wrappers.
4970 (gimplify_bind_expr): Remove temp parameter.
4971 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4972 and STATEMENT_LIST on the rhs.
4973 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4974 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4975 (gimplify_target_expr): Remove special BIND_EXPR handling.
4977 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4979 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4982 2006-08-21 Olivier Hainque <hainque@adacore.com>
4984 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4985 Arrange for the temporary captures of components overlapping the lhs
4986 to happen before the lhs is possibly cleared.
4988 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4990 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4991 necessary places to pass the correct "number of registers" values
4994 2006-08-20 Jan Hubicka <jh@suse.cz>
4996 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4997 (create_name_tags): Instead of quadratic checking use hashtable.
4998 * bitmap.h: Include hashtab.h.
4999 (bitmap_hash): Declare.
5000 * bitmap.c (bitmap_hash): New function.
5002 2006-08-20 Jan Hubicka <jh@suse.cz>
5004 PR rtl-optimization/28071
5005 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5007 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5008 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5009 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5010 cgraph_decide_inlining_incrementally): Update use of
5011 cgraph_check_inline_limits.
5012 * cgraph.c (edge_hash, edge_eq): New function.
5013 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5014 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5015 cgraph_remove_node): Maintain call site hash.
5016 * cgraph.h (struct cgraph_node): Add call_site_hash.
5017 (cgraph_set_call_stmt): New function.
5019 2006-08-20 Jan Hubicka <jh@suse.cz>
5021 PR rtl-optimization/28071
5022 * reload1.c (reg_has_output_reload): Turn into regset.
5023 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5024 choose_reload_regs, emit_reload_insns): Update to new
5025 reg_has_output_reload.
5027 2006-08-20 Jan Hubicka <jh@suse.cz>
5030 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5031 function body sizes.
5032 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5034 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5037 * tree.c (handle_dll_attribute): Return early if not a
5038 var or function decl.
5040 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5043 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5044 alignment of SPE vector types.
5046 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5048 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5050 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5053 * cgraph.h (struct cgraph_node): Remove externally_visible
5055 * cgraphunit.c (process_function_and_variable_attributes): Set
5056 local.externally_visible rather than externally_visible.
5059 * c-common.c (handle_externally_visible_attribute): First look
5060 at TREE_CODE and only if it is function or var decl, check for
5061 non-public objects. Don't warn for DECL_EXTERNAL.
5062 * cgraphunit.c (process_function_and_variable_attributes): Warn
5063 if externally_visible attribute is used on non-public object.
5065 2006-08-17 Jan Hubicka <jh@suse.cz>
5067 PR tree-optimization/27865
5068 * reload1.c (forget_marked_reloads): New function.
5069 (forget_old_reloads_1): When data are passed, just mark the registers
5071 (reload_as_needed): Use the new mechanizm.
5073 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5076 * reload.h (reg_equiv_alt_mem_list): New declaration.
5077 * reload1.c (reg_equiv_alt_mem_list): New definition.
5078 (reload): Initialize it and release it.
5079 (delete_output_reload): Use it.
5080 * reload.c (push_reg_equiv_alt_mem): New function.
5081 (find_reloads_toplev): Call it.
5082 (find_reloads_address, find_reloads_address_1): Likewise.
5083 (find_reloads_subreg_address): Likewise.
5085 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5087 PR rtl-optimization/28489
5088 * sched-ebb.c (begin_schedule_ready): Create basic block
5090 (advance_target_bb): Skip empty blocks.
5091 * haifa-sched.c (bb_note): Make global.
5092 * sched-int.h (bb_note): Add prototype.
5094 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5096 PR tree-optimization/27865
5097 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5099 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5100 fold_used_pointer, pointer_used_p): New functions.
5101 (analyze_scalar_evolution_1): Use fold_used_pointer.
5102 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5103 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5106 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5109 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5110 or the INTEGER_CST. Fail on a CALL_EXPR.
5111 (fold_offsetof): Pass new argument to fold_offsetof_1.
5112 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5113 operand into an INDIRECT_REF.
5114 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5116 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5118 PR gcov/profile/26570
5119 * value-prof.c (static_values): Removed.
5120 (tree_find_values_to_profile): Do not set static_values.
5121 (find_values_to_profile): Do not free static_values.
5122 * profile.c (instrument_values): Do not free the values.
5123 (branch_prob): Free the values.
5125 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5127 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5129 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5132 * c-typeck.c (build_component_ref): Combine qualifiers of
5133 structure or union and field.
5135 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5137 PR rtl-optimization/28071
5138 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5139 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5140 * tree-into-ssa.c (struct dom_dfsnum): New.
5141 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5143 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5144 compute_global_livein.
5145 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5146 in phi nodes in the correct blocks.
5148 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5150 PR tree-optimization/28364
5151 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5153 (fold_affine_expr): New function.
5154 (may_eliminate_iv): Use fold_affine_expr.
5156 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5159 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5162 2006-08-16 Mike Stump <mrs@apple.com>
5164 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5165 * doc/cppopts.texi (-MD): Likewise.
5167 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5170 * c-common.c (handle_weak_attribute): Ignore and warn if
5171 not a FUNCTION_ or VAR_DECL.
5173 2006-07-15 Mike Stump <mrs@apple.com>
5176 * c-parser.c (c_parser_typeof_specifier): Don't use
5177 c_finish_expr_stmt, open code desired semantics instead.
5179 2006-08-15 Nick Clifton <nickc@redhat.com>
5181 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5182 fragment to tmake_file only if threads are enabled.
5183 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5184 * config/i386/t-gthr-win32: New file. ... here.
5186 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5189 * c-parser.c (c_parser_compound_statement_nostart): Reset
5190 parser->error after each statement.
5192 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5195 * omp-low.c (lower_omp_parallel): Convert t to
5196 receiver_decl's type.
5197 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5198 source before comparison.
5201 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5202 to itype in assignment to oldival2.
5204 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5208 * c-typeck.c (build_compound_expr): If the second expression
5209 is an error mark, then just return an error mark instead of
5210 creating a COMPOUND_EXPR.
5212 2006-07-14 Mike Stump <mrs@apple.com>
5214 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5216 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5218 * c-decl.c, var-tracking.c: Fix comment typos.
5220 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5222 PR rtl-optimization/28634
5223 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5224 for floating-point modes unless flag_unsafe_math_optimizations.
5226 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5227 Andrew Pinski <pinskia@physics.uc.edu>
5230 * tree.c (build_array_type): Unify array types with
5231 unspecified index_type.
5232 * c-decl.c (grokdeclarator): Make sure we do not modify a
5233 unified incomplete array type.
5234 * c-typeck.c (store_init_value): Create distinct type before
5235 filling in the index type in an initializer from a compound
5238 * c-decl.c (grokdeclarator): Remove code where we copy the
5241 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5243 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5244 into account for TODO_dump_cgraph.
5245 (TODO_update_ssa_no_phi): Likewise.
5246 (TODO_update_ssa_full_phi): Likewise.
5247 (TODO_update_ssa_only_virtuals): Likewise.
5248 (TODO_remove_unused_locals): Likewise.
5249 (TODO_set_props): Likewise.
5250 (TODO_update_stmt_usage): Likewise.
5252 2006-08-13 Dirk Mueller <dmueller@suse.de>
5254 * c-common.c (strict_aliasing_warning): Fix formatting.
5256 2006-08-13 Matthias Klose <doko@debian.org>
5258 * doc/invoke.texi: Fix spelling errors.
5260 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5262 PR rtl-optimization/23454
5263 * reorg.c (relax_delay_slots): Update comment.
5265 2006-08-11 Richard Guenther <rguenther@suse.de>
5268 * simplify-rtx.c (simplify_const_relational_operation):
5269 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5272 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5274 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5275 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5277 2006-08-10 Paul Brook <paul@codesourcery.com>
5279 * final.c (final_scan_insn): Clear current_insn_predicate before
5280 outputting inline asm.
5282 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5284 PR tree-optimization/26197
5285 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5286 get_ref_base_and_extent and overlap_subvar to add only relevant
5287 subvars as may-aliases.
5288 (add_may_alias_for_new_tag): New function, factored out of
5290 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5291 with additional argument.
5292 * tree-flow.h (new_type_alias): Takes additional argument.
5294 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5296 * gcov.c (no_data_file): New flag.
5297 (read_count_file): Set it if data file not present. Assume counts
5299 (output_lines): Don't name the data file, if there wasn't one.
5301 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5303 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5304 (rs6000_generate_compare): Tweak comments.
5305 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5307 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5309 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5310 (var_debug_decl): New function.
5311 (var_reg_set): Follow debug decl link. Add location even if
5312 reg is already known to hold some other variable.
5313 (var_mem_set): Follow debug decl link.
5314 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5315 decl link. Delete other known locations of the variable part
5317 (var_reg_delete, var_mem_delete): Delete other known locations
5318 of the variable part if requested.
5319 (same_variable_part_p): New function.
5320 (add_stores): Select MO_COPY when appropriate.
5321 (vt_initialize): Handle it.
5322 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5323 known locations for MO_SET and MO_CLOBBER.
5324 (find_variable_location_part): New function.
5325 (set_variable_part, delete_variable_part): Use it.
5326 (clobber_variable_part): New function.
5327 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5330 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5332 PR tree-optimization/26969
5333 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5334 with an empty list of PHIs.
5336 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5340 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5343 2006-08-06 Andreas Schwab <schwab@suse.de>
5345 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5346 string. Whitespace and comment fixup.
5348 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5351 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5355 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5358 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5360 2006-08-04 Jan Hubicka <jh@suse.cz>
5364 * reload.c (push_reload): Patch out the mismatching instruction;
5366 (find_reload): Bail out if the instruction was patched out.
5368 2006-08-04 Jan Hubicka <jh@suse.cz>
5370 PR tree-optimization/24888
5371 * tree-inline.c (expand_call_inline): Do not re-record variables.
5372 (declare_inline_vars): Add variable to unexpanded_var_list.
5374 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5375 Roger Sayle <roger@eyesopen.com>
5377 PR rtl-optimization/26244
5378 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5379 inner_const are negative or greater than or equal to the bitsize of
5380 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5381 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5382 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5383 CONST0_RTX (mode) when the new shift count is greater than or equal to
5384 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5387 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5389 * tree-cfg.c: Fix a comment typo.
5391 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5394 * varasm.c (output_constant): Give the front end another chance to
5395 expand constants, after stripping NOPs.
5397 2006-08-03 Jan Hubicka <jh@suse.cz>
5399 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5402 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5404 PR tree-optimization/27770
5405 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5406 declaration removed (moved to tree-flow.h).
5407 (vect_can_force_dr_alignment_p): Likewise.
5408 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5409 (moved from tree-vectorizer.h).
5410 (vect_can_force_dr_alignment_p): Likewise.
5411 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5412 from outside the vectorizer - in particular from cgraph stage.
5413 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5414 the alignment of global arrays when -fsection-anchors is enabled.
5415 * cgraphunit.c (cgraph_increase_alignment): New function.
5416 (cgraph_optimize): Call cgraph_increase_alignment.
5418 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5421 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5422 not reload a SPE symbol_ref into a lo_sum address.
5424 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5427 * dwarf2out.c (prune_unused_types_prune): Move call to
5428 prune_unused_types_update_strings to cover the parent DIE also.
5430 2006-08-02 Jan Hubicka <jh@suse.cz>
5432 PR gcov/profile/28480
5433 * tree-cfg.c (change_bb_for_stmt): New function.
5434 (tree_merge_blocks, tree_split_blocks): Use it.
5436 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5442 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5443 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5444 (cgraph_optimize): Likewise.
5446 2006-08-01 Stuart Hastings <stuart@apple.com>
5448 * rtl.h (UINTVAL) New.
5449 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5450 * testsuite/gcc.dg/20060801-1.c: New.
5452 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5455 * c-typeck.c (build_external_type): Mark used enum types.
5456 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5458 (gen_subprogram_die): Whitespace fix.
5460 2006-08-01 Jan Hubicka <jh@suse.cz>
5462 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5463 bitmap when not needed.
5464 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5467 2006-08-01 Dirk Mueller <dmueller@suse.de>
5469 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5471 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5473 * Makefile.in: Revert part of previous patch:
5474 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5477 2006-07-30 Eric Christopher <echristo@apple.com>
5480 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5481 (PowerPC Variable Attributes): New section.
5483 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5485 PR target/28126 (partial fix)
5486 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5488 2006-07-28 Jan Hubicka <jh@suse.cz>
5490 PR rtl-optimization/28071
5491 * cfgrtl.c (rtl_delete_block): Free regsets.
5492 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5494 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5496 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5497 and variables used in dependencies.
5499 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5501 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5502 %fs for -mcmodel=kernel.
5503 (stack_tls_protect_test_di): Likewise.
5505 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5507 * Makefile.in: Use mkinstalldirs.
5509 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5512 * opts-common.c (prune_options): Skip joined switches.
5514 2006-07-27 Jan Hubicka <jh@suse.cz>
5516 PR rtl-optimization/28071
5517 * cselib.c (cselib_process_insn): Don't remove useless values too
5518 often for very large hashtables.
5520 2006-07-27 Jan Hubicka <jh@suse.cz>
5522 PR rtl-optimization/28071
5523 * global.c (greg_obstack): New obstack.
5524 (allocate_bb_info): Use it.
5525 (free_bb_info): Likewise.
5526 (modify_reg_pav): Likewise.
5528 2006-07-27 Roger Sayle <roger@eyesopen.com>
5530 * builtins.c (fold_fixed_mathfn): When long and long long are the
5531 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5532 functions to their lceil*, lfloor*, lround* and lrint* forms.
5534 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5537 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5539 (rev_branch_insn): Likewise.
5541 2006-07-27 Jan Hubicka <jh@suse.cz>
5543 PR rtl-optimization/28071
5544 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5545 (reg_set_in_bb, max_reg_computed): New static variables.
5546 (regmove_optimize): Free the new array.
5547 (fixup_match_1): Update call of reg_is_remote_constant_p.
5549 2006-07-26 Jan Hubicka <jh@suse.cz>
5551 PR tree-optimization/27882
5552 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5554 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5556 (cgraph_analyze_compilation_unit): Likewise.
5557 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5558 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5559 (cgraph_early_inlinine): Make order garbage collected.
5560 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5562 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5564 * dbxout.c (output_types_sort): Add a comment.
5565 (output_used_types): Free the VEC.
5567 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5569 * function.c (reorder_fix_fragments): Delete.
5570 (reorder_blocks): Don't call it.
5571 (reorder_blocks_1): Put all subblocks under the origin block.
5573 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5575 PR rtl-optimization/27907
5576 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5579 2006-07-25 Roger Sayle <roger@eyesopen.com>
5582 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5583 bar(x) check that bar's result type can represent all the values of T.
5585 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5587 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5589 2006-07-25 Nick Clifton <nickc@redhat.com>
5591 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5592 size_lookup[] array.
5593 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5594 (ggc_pch_count_object): Likewise.
5595 (ggc_pch_alloc_object): Likewise.
5596 (ggc_pch_write_object): Likewise.
5597 (init_ggc): Do not attempt to initialize entries in the
5598 size_lookup[] array for objects whose size is greater than than
5599 the length of the array.
5601 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5603 * dbxout.c (output_used_types_helper): Push queued types
5605 (output_types_sort): New.
5606 (output_used_types): Collect used types on a VEC and sort them
5609 2006-07-24 Richard Guenther <rguenther@suse.de>
5612 * cgraph.c (cgraph_remove_node): Do not check if dumps
5614 * cgraphunit.c (cgraph_optimize): Likewise.
5616 2006-07-24 Jan Hubicka <jh@suse.cz>
5618 PR rtl-optimization/28071
5619 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5620 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5621 splitting before first stmt.
5623 2006-07-24 Jan Hubicka <jh@suse.cz>
5625 PR rtl-optimization/28071
5626 * ipa-inline.c (update_caller_keys): Remove edges that
5627 are no longer inline candidates.
5629 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5632 * dbxout.c (output_used_types_helper, output_used_types): New.
5633 (dbxout_symbol): Call output_used_types.
5635 2006-07-23 Jan Hubicka <jh@suse.cz>
5639 * cgraph.c (cgraph_varpool_nodes): Export.
5640 (decide_is_variable_needed): Ignored "used" attribute in
5641 unit-at-a-time mode.
5642 * cgraph.h (cgraph_varpool_nodes): Declare.
5643 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5644 unit-at-a-time mode.
5646 2006-07-23 Roger Sayle <roger@eyesopen.com>
5649 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5650 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5651 the __gthrw form of thr_keycreate.
5652 (__gthread_key_delete): Silence the unused argument warning.
5654 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5657 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5658 Cache the last found '\0' marker to avoid quadratic behavior.
5660 2006-07-23 Jan Hubicka <jh@suse.cz>
5662 * i386.md (subsi_3_zext): Fix output template.
5664 2006-07-21 Mike Stump <mrs@apple.com>
5666 * doc/invoke.texi (C++ Dialect Options): Note that
5667 -fvisibility-inlines-hidden doesn't affect explicitly
5668 instantiationed inline methods.
5670 2006-07-20 Roger Sayle <roger@eyesopen.com>
5672 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5673 if the target assembler is GNU binutils' gas.
5674 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5675 whether to pass GNU gas or native as command line options.
5677 2006-07-20 Jason Merrill <jason@redhat.com>
5679 * tree.c (remove_attribute): New fn.
5680 * tree.h: Declare it.
5682 2006-07-20 Paul Brook <paul@codesourcery.com>
5685 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5686 they are invalidated by this instruction.
5688 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5691 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5693 2006-07-20 Eric Christopher <echristo@apple.com>
5696 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5698 2006-07-19 Eric Christopher <echristo@apple.com>
5700 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5701 Rewrite dependencies for libgcc_s.1.dylib.
5703 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5705 * except.c (duplicate_eh_regions_1): Clear next_peer.
5707 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5709 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5710 -mlongcall does not guarantee all calls will be long.
5711 * doc/extend.texi (long_call/short_call): Document that longcall
5712 does not guarantee a long call will be used.
5713 (longcall/shortcall): Likewise.
5715 2006-07-18 Roger Sayle <roger@eyesopen.com>
5718 * expmed.c (expand_shift): Additionally check that the shift_cost
5719 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5720 before implementing a LSHIFT_EXPR as a sequence of additions.
5721 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5722 middle-end that DImode shifts need to be synthesized by expand.
5724 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5727 * tree-ssa-operands.c (access_can_touch_variable): Update
5729 Return true if ALIAS is .GLOBAL_VAR.
5731 2006-07-18 David Daney <ddaney@avtrex.com>
5733 * gcc.c (display_help): Fix typo in help text.
5735 2006-07-18 Olivier Hainque <hainque@adacore.com>
5737 * tree.h (categorize_ctor_elements): Adjust prototype and add
5738 descriptive comment, both in accordance with the interface change
5740 * varasm.c (constructor_static_from_elts_p): New function.
5741 Whether a constructor node is a valid static constant initializer
5742 if all its elements are.
5743 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5744 * output.h: Declare it.
5745 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5746 is a valid constant initializer instead of computing the number of
5747 non-constant elements. Use constructor_static_from_elts_p for this
5748 purpose. Replace the head comment with an indication that this is a
5749 helper for categorize_ctor_elements.
5750 (categorize_ctor_elements): Same interface change as for the _1
5751 helper. Former head comment from this helper moved here, adjusted to
5752 account for the interface changes.
5753 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5754 (all_zeros_p): Likewise.
5755 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5756 static versions of the constructor from the categorize_ctor_elements
5757 return value instead of the formerly computed number of non-constant
5760 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5762 * configure: Regenerate.
5763 * Makefile.in (build_libsubdir): New configure substitution
5764 (build_libobjdir): New variable.
5765 (BUILD_LIBIBERTY): Use it.
5767 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5770 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5772 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5775 * c-common.c (handle_weakref_attribute): Ignore attribute in
5776 the same conditions the alias attribute is ignored.
5778 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5780 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5781 (dbxout_begin_prologue): Increment scope_labelno.
5783 2006-07-17 Richard Henderson <rth@redhat.com>
5786 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5789 2006-07-17 Roger Sayle <roger@eyesopen.com>
5790 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5792 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5793 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5794 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5795 functions such as sbrk, write, etc.. Add function prototypes.
5796 Convert function declarations from K&R to ISO C. Cast pointers
5797 to "long" and "unsigned long" instead of "int" and "unsigned int".
5798 Convert tokens following #endif into comments.
5800 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5802 * invoke.texi: Remove mention of f77; Reformat table for
5803 inline parameter options correctly; mention that -malign-double
5804 is default on x86-64 targets.
5806 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5808 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5809 (convert_affine_scev, chrec_convert_aggressive): Use
5810 avoid_arithmetics_in_type_p. Do not check for the subtypes
5813 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5816 * optabs.c (expand_doubleword_shift): Wrap the call to
5817 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5819 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5822 * optabs.c (expand_binop): Pass next_methods rather than methods
5823 to expand_doubleword_shift.
5825 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5828 * tree.h (dump_addr): Declare.
5829 * print-tree.c (dump_addr): New function.
5830 (print_node_brief, print_node): Use it.
5831 * print-rtl.c (print_rtx): Likewise.
5832 * common.opt (-fdump-noaddr): New option.
5833 * doc/invoke.texi (-fdump-noaddr): Document.
5834 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5835 (ve_info_hash): Likewise.
5837 2006-07-13 Andrew Haley <aph@redhat.com>
5839 PR tree-optimization/19505
5840 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5841 edge leaving this block, make sure that the destination of this
5842 block has only one predecessor.
5844 2006-07-17 Richard Guenther <rguenther@suse.de>
5846 PR tree-optimization/28238
5847 * tree-inline.c (copy_bb): Check if we produced valid
5848 gimple copying and substituting a stmt. If not, gimplify
5851 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5853 * optabs.c (maybe_encapsulate_block): New function extracted from...
5854 (emit_libcall_block): ...here. Invoke it on the block of insns to
5855 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5856 (emit_no_conflict_block): Likewise.
5858 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5860 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5862 2006-07-15 Roger Sayle <roger@eyesopen.com>
5864 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5865 a new NOP_EXPR case of the switch statement.
5867 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5870 * stor-layout.c (place_field): Take the bit field with
5871 an excessive size into account in the ms-bitfiled case.
5874 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5875 the previous bit field.
5877 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5880 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5882 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5884 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5885 signal frames correctly even when the signal was installed with
5888 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5890 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5891 (dbxout_function_end): Use local label LFBB. Remove hook
5893 (dbxout_source_line): Use local label LFBB.
5894 (dbxout_block): Likewise.
5895 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5896 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5897 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5898 and DBX_OUTPUT_NFUN.
5900 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5902 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5904 2006-07-13 Jan Hubicka <jh@suse.cz>
5906 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5908 * output.h (align_variable): Declare.
5909 * varasm.c (align_variable): Export.
5910 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5911 when basic block changed.
5913 2006-07-13 Nick Clifton <nickc@redhat.com>
5915 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5916 walking the LOG_LINKS chain.
5918 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5920 * doc/invoke.texi (C++ Dialect Options): Explain difference
5921 between -fvisibility-inlines-hidden and setting hidden
5922 visibility explicitly.
5924 2006-07-12 Eric Christopher <echristo@apple.com>
5926 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5927 (stmp-lipo): Depend on libgcc.a.
5929 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5931 * tree.c: Fix a comment typo.
5933 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5935 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5937 (umulhisi3_r): Likewise.
5939 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5942 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5943 x < 19, vs wchar_t support.
5945 2006-07-12 Nick Clifton <nickc@redhat.com>
5947 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5948 instead of -isa=sh4.
5950 2006-07-12 Mike Stump <mrs@apple.com>
5952 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5954 2006-07-10 Eric Christopher <echristo@apple.com>
5956 * config/t-slibgcc-darwin: Rewrite.
5958 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5961 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5964 2006-07-08 Matthias Klose <doko@debian.org>
5966 * doc/sourcebuild.texi: Fix typo.
5968 2006-07-07 Mike Stump <mrs@apple.com>
5970 * toplev.c (process_options): Don't give -ffunction-sections may
5971 affect debugging warning for Mach-O.
5973 2006-07-07 James E Wilson <wilson@specifix.com>
5975 * config/mips/mips.md (cpu): Add sb1a.
5976 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5977 addition to sb1. Adjust comments to clarify SB-1A differences from
5979 (ir_sb1a_load): New. Modify bypasses to use it.
5980 (ir_sb1a_simple_alu): Likewise.
5981 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5982 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5983 (mips_issue_rate): Add PROCESSOR_SB1A.
5984 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5985 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5986 (TARGET_SB1): Add PROCESSOR_SB1A check.
5987 (TUNE_SB1): Likewise.
5989 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5990 * config/mips/mips.c (mips_store_data_bypass_p): New.
5991 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5992 store_data_bypass_p.
5994 2006-07-08 Paul Brook <paul@codesourcery.com>
5997 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5999 2006-07-07 Richard Guenther <rguenther@suse.de>
6002 * tree.h (build_one_cst): Declare.
6003 * tree.c (build_one_cst): New function.
6004 * tree-ssa-math-opts.c (get_constant_one): Remove.
6005 (insert_reciprocals): Use build_one_cst.
6006 * fold-const.c (fold_plusminus_mult): Likewise.
6008 2006-07-07 Roger Sayle <roger@eyesopen.com>
6010 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6011 * cfgloopanal.c (dump_graph): Likewise.
6012 * dojump.c (discard_pending_stack_adjust): Likewise.
6013 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6015 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6016 * function.c (finalize_block_changes): Likewise.
6017 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6018 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6019 * rtl.c (dump_rtx_statistics): Likewise.
6020 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6022 * varray.c (dump_varray_statistics): Likewise.
6023 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6024 decode_decimal64, encode_decimal128, decode_decimal128,
6025 decimal_real_to_decimal): Likewise.
6027 2006-07-07 Richard Guenther <rguenther@suse.de>
6029 PR tree-optimization/28187
6030 * tree-vrp.c (vrp_operand_equal_p): New function.
6031 (vrp_bitmap_equal_p): Likewise.
6032 (update_value_range): Use them to compare old and new
6035 2006-07-06 Roger Sayle <roger@eyesopen.com>
6037 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6038 a default case to switch statement to silence compiler warnings.
6040 2006-07-06 Roger Sayle <roger@eyesopen.com>
6043 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6044 the configured assembler supports the x87's ffreep mnemonic.
6045 * configure: Regenerate.
6046 * config.in: Regenerate.
6048 * config/i386/i386.c (output_387_ffreep): New function.
6049 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6050 (output_387_reg_move): Likewise.
6052 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6054 Port to hosts whose 'sort' and 'tail' implementations
6055 treat operands with leading '+' as file names, as POSIX
6056 has required since 2001. However, make sure the code still
6057 works on pre-POSIX hosts.
6058 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6059 which says you should use "tail -c +N" rather than "tail +Nc".
6060 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6062 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6064 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6067 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6070 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6071 PRE_{INC,DEC} of TFmode.
6073 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6074 Alan Modra <amodra@bigpond.net.au>
6077 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6080 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6083 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6084 Remove duplicate gtu.
6086 2006-07-05 Jason Merrill <jason@redhat.com>
6090 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6091 * c-common.c (handle_packed_attribute): So don't copy it here.
6092 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6094 2006-07-05 Mike Stump <mrs@apple.com>
6096 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6098 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6101 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6103 2006-07-05 Richard Guenther <rguenther@suse.de>
6106 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6107 TARGET_SSE2 targets if using SSE math.
6108 (*absdf2_1): Likewise.
6110 2006-07-05 Richard Guenther <rguenther@suse.de>
6112 PR tree-optimization/28162
6113 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6114 make sure to convert the operands to the correct type.
6116 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6118 PR tree-optimization/28218
6120 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6121 to calculate and free the dominator information.
6123 2006-07-04 Peter O'Gorman <peter@pogma.com>
6125 * mklibgcc.in: chmod 644 before ranlib during install.
6127 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6128 J"orn Rennecke <joern.rennecke@st.com>
6130 * configure.ac (.eh_frame data check): Use diff -b.
6132 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6135 * Makefile.in (BUILD_RTL): Add build/vec.o.
6136 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6137 (build/genextract): Delete.
6138 (build/genautomata): Likewise.
6140 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6143 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6144 128-bit IBM long doubles for ABI_V4.
6146 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6148 * tree.c (range_in_array_bounds_p): New predicate.
6149 * tree.h (range_in_array_bounds_p): Declare it.
6150 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6151 return a less conservative answer.
6152 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6153 and flag 'is_group'.
6154 (IS_ELEMENT_FOR_GROUP): New macro.
6155 (FOR_EACH_ACTUAL_CHILD): Likewise.
6156 (next_child_for_group): New helper function.
6157 (can_completely_scalarize_p): Take into account groups.
6158 (sra_hash_tree): Handle RANGE_EXPR.
6159 (sra_elt_eq): Likewise.
6160 (lookup_element): Be prepared for handling groups.
6161 (is_valid_const_index): Delete.
6162 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6163 instead of is_valid_const_index.
6164 <ARRAY_RANGE_REF>: New case.
6165 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6166 is_valid_const_index.
6167 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6168 (scan_dump): Dump info for groups too.
6169 (decide_instantiation_1): Likewise.
6170 (decide_block_copy): Assert that the element is not a group.
6171 Propagate decision to groups.
6172 (generate_one_element_ref): Handle RANGE_EXPR.
6173 (mark_no_warning): Iterate over actual childs.
6174 (generate_copy_inout): Likewise.
6175 (generate_element_copy): Likewise.
6176 (generate_element_zero): Likewise.
6177 (generate_element_init_1): Likewise.
6178 (dump_sra_elt_name): Handle RANGE_EXPR.
6180 2006-07-03 Roger Sayle <roger@eyesopen.com>
6182 PR tree-optimization/26251
6183 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6184 (thread_block): When optimizing for size refuse to thread jumps
6185 that would require duplication of blocks other than redirection
6188 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6190 * configure.ac: Fix thinko in previous check-in.
6191 * configure: Regenerate.
6193 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6196 * configure.ac (for lang...): Simplify nesting of conditionals.
6197 Test subdir_requires for non-enabled languages. Move processing
6198 of lang_opt_files and lang_tree_fiels below that test.
6199 * configure: Regenerate.
6200 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6202 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6204 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6206 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6208 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6211 2006-06-29 Jason Merrill <jason@redhat.com>
6218 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6219 * c-common.c (c_determine_visibility): Handle it here.
6220 * c-decl.c (finish_decl): Call c_determine_visibility for
6222 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6224 * varasm.c (default_assemble_visibility): Likewise.
6225 * c-common.c (handle_visibility_attribute): Complain about trying
6226 to give visibility to an already defined class, or trying to change
6227 declared visibility. Always attach the attribute.
6232 * attribs.c (decl_attributes): Ignore type-in-place attributes
6233 once the type has been defined.
6235 2006-06-29 Roger Sayle <roger@eyesopen.com>
6238 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6239 to indicate the cpplib has issued an error message for us.
6241 2006-06-29 Asher Langton <langton2@llnl.gov>
6244 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6245 insert a label at the end of an function under Mach-O.
6247 2006-06-29 Eric Christopher <echristo@apple.com>
6248 Evan Cheng <evan.cheng@apple.com>
6250 * predicates.md (vector_all_ones_operand): New.
6251 (nonimmediate_or_sse_const_operand): Ditto.
6252 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6253 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6254 (standard_sse_mode_p): Ditto.
6255 (standard_sse_constant_p): Add case for -1 vector.
6256 (ix86_expand_vector_move): Try to use.
6257 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6258 Call standard_sse_constant_opcode.
6259 (*movv4sf_internal): Ditto.
6260 (*movv2df_internal): Ditto.
6262 2006-06-29 Roger Sayle <roger@eyesopen.com>
6264 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6265 of XEXP to extract the operands of a MATCH_CODE rtx.
6267 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6269 * tree.c (tree_size): Do not waste tail padding in
6270 struct tree_string and make the size be the same as
6271 build_string will generate.
6273 2006-06-28 Jason Merrill <jason@redhat.com>
6276 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6277 may_aliases already in the tag's annotations to the bitmap.
6279 2006-06-28 Roger Sayle <roger@eyesopen.com>
6281 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6283 2006-06-28 Roger Sayle <roger@eyesopen.com>
6285 * genpreds.c (generate_switch_p): New function.
6286 (add_mode_tests): Push the new mode test down inside an AND expr
6287 if this allows the switch-suitable MATCH_CODE to be near the root.
6288 (write_match_code_switch): New function to write a MATCH_CODE as
6290 (write_predicate_stmts): New function to write a predicate RTX
6291 expression as a sequence of statements.
6292 (write_one_predicate_function): Use write_predicate_stmts.
6293 (write_tm_constrs_h): Likewise.
6295 2006-06-26 Fred Fish <fnf@specifix.com>
6297 * config/mips/t-sb1: New file.
6298 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6301 2006-06-26 DJ Delorie <dj@redhat.com>
6303 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6305 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6306 Jayant Sonar <jayants@kpitcummins.com>
6307 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6309 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6310 (subsi3, subsi3_1, subsi3_2): New.
6311 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6312 * config/m32c/mov.md (SI mov peephole): New.
6313 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6314 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6316 2006-06-26 Olivier Hainque <hainque@adacore.com>
6318 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6319 a CALL_EXPR target function declaration.
6321 2006-06-26 Richard Guenther <rguenther@suse.de>
6323 * tree.c (build_string): Do not waste tail padding in
6326 2006-06-26 Richard Guenther <rguenther@suse.de>
6328 * ggc-page.c (init_ggc): Add missing element to size_lookup
6332 2006-06-23 Richard Guenther <rguenther@suse.de>
6334 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6335 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6336 alignment requests instead. Add verification code.
6337 Add struct tree_function_decl and struct tree_binfo size to
6338 extra_order_size_table. Add missing element to size_lookup
6341 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6344 * fold-const.c (const_binop): Be prepared for self returning zero.
6345 Simplify code handling complex values.
6347 2006-06-24 Olivier Hainque <hainque@adacore.com>
6349 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6350 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6353 2006-06-24 Olivier Hainque <hainque@adacore.com>
6355 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6356 ARRAY_REF, so have the callback called for the low bound expression.
6358 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6360 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6361 * c-typeck.c (c_common_type): Disallow operations on decimal float
6362 types and other float types.
6363 * convert.c (convert_to_real): Don't ignore conversions involving
6364 decimal float types.
6366 2006-06-23 Olivier Hainque <hainque@adacore.com>
6368 * tree.c (max_int_size_in_bytes): New function, inspired from
6369 code in function.c:assign_temp.
6370 * tree.h (max_int_size_in_bytes): Declare.
6371 * function.c (assign_temp): Use it.
6372 * gimplify.c (create_tmp_var): Relax the assertions on the type
6373 properties, not mandating constant size any more.
6374 (force_constant_size): New static function.
6375 (gimple_add_tmp_var): Use it, forcing variable size to a
6376 constant upper bound if it is not constant on entry.
6378 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6381 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6382 for initialization and setting of one_only flag to ...
6383 (i386_pe_encode_section_info): ...here.
6384 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6385 Recheck that the symbol has not been defined.
6387 2006-06-23 Richard Guenther <rguenther@suse.de>
6389 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6390 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6391 alignment requests instead. Add verification code.
6392 Add struct tree_function_decl and struct tree_binfo size to
6393 extra_order_size_table. Add missing element to size_lookup
6396 2006-06-22 Roger Sayle <roger@eyesopen.com>
6397 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6400 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6401 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6403 2006-06-23 Ben Elliston <bje@au.ibm.com>
6405 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6406 negate dn -- manipulate it directly.
6408 2006-06-22 Roger Sayle <roger@eyesopen.com>
6409 Steven Bosscher <stevenb.gcc@gmail.com>
6412 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6413 generated by gen_move_insn to add REG_LABEL notes if necessary.
6415 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6417 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6418 (leaf_entry): Remove use of MIN_ESA.
6420 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6422 PR rtl-optimization/28121
6423 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6426 2006-06-21 DJ Delorie <dj@redhat.com>
6428 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6430 (mulhisi3_r): Likewise.
6432 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6435 * coverage.c (coverage_counter_alloc): Leave the index type
6437 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6440 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6442 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6443 section from the "Options for Code Generation Conventions".
6445 2006-06-21 Richard Henderson <rth@redhat.com>
6449 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6451 (global_symbolic_operand): Allow weak symbols, even if local_p.
6453 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6455 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6456 (find_interesting_uses_address): Punt if above function returns true.
6458 2006-06-21 Richard Guenther <rguenther@suse.de>
6460 * configure: Regenerated.
6462 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6464 * config/mips/mips.c (function_arg): Where one part of a
6465 complex argument is in registers and the other part in the stack,
6466 return a REG not a PARALLEL.
6468 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6470 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6471 when cross-compiling. Do not substitute libstdcxx_incdir.
6472 * configure: Regenerated.
6474 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6476 * varasm.c (mergeable_string_section): Check for embedded NULs and
6477 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6478 rather than TREE_STRING_LENGTH bytes.
6480 2006-06-21 Richard Guenther <rguenther@suse.de>
6482 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6483 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6486 2006-06-21 Richrad Guenther <rguenther@suse.de>
6488 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6489 Limit iteration over the dominators.
6491 2006-06-20 Roger Sayle <roger@eyesopen.com>
6493 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6494 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6496 2006-06-20 Richard Guenther <rguenther@suse.de>
6497 Michael Matz <matz@suse.de>
6499 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6501 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6502 * et-forest.h (et_free_pools): Prototype new function.
6503 * et-forest.c (et_free_tree_force): Free parent occurrence.
6504 (et_free_pools): New function.
6505 * dominance.c (free_dominance_info): Free et-forest alloc
6508 2006-06-20 Roger Sayle <roger@eyesopen.com>
6510 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6511 integer modes, attempt to directly construct an integer constant.
6513 * fold-const.c (native_encode_vector): Determine the size of each
6514 element from the vector type instead of the first vector element.
6516 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6517 if all of its elements/components are constant.
6518 (build_constructor_from_list): Likewise.
6520 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6522 PR tree-optimization/27331
6523 * tree-data-ref.c (free_data_ref): New function.
6524 (create_data_ref): Fail if the data reference has unknown access
6526 (free_data_refs): Use free_data_ref.
6528 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6531 * tree-inline.c (setup_one_parameter): Strip useless
6532 type conversion before adding it to the IR.
6533 (declare_return_variable): Likewise.
6535 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6538 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6540 2006-06-19 Mike Stump <mrs@apple.com>
6542 * tree.c (variably_modified_type_p): VM arguments don't make the
6545 2006-06-19 Richard Guenther <rguenther@suse.de>
6547 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6548 type conversions after folding.
6550 2006-06-19 Richard Guenther <rguenther@suse.de>
6552 * ggc-page.c (extra_order_size_tab): Add entries with
6553 size of struct function and basic_block.
6554 (size_lookup): Extend to cover sizes up to 511.
6555 (ggc_alloc_stat): Adjust user.
6556 (ggc_pch_count_object): Likewise.
6557 (ggc_pch_alloc_object): Likewise.
6558 (ggc_pch_write_object): Likewise.
6560 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6562 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6563 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6566 2006-06-19 Denis Chertykov <denisc@overta.ru>
6568 * config/avr/libgcc.S : Correct my wrong previous commit.
6570 2006-06-19 Roger Sayle <roger@eyesopen.com>
6573 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6574 have stripped a SUBREG from the shift count, so we may need to
6575 convert_to_mode back to the type's mode before calling make_tree.
6576 Use new_amount instead of amount to avoid expanding a tree twice.
6578 2006-06-19 Richard Guenther <rguenther@suse.de>
6581 * fold-const.c (operand_equal_p): Check if the argument types
6582 have the same precision before stripping NOPs.
6584 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6586 Fix PR tree-optimization/27341
6587 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6589 * tree-complex.c (pass_lower_complex): Update SMT usage.
6591 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6593 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6594 Add a new alternative to the constraint strings. Add move of
6595 operand 1 to 3 to the splitter definition.
6596 ("doloop_si_long"): Second contraint alternative removed.
6598 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6600 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6601 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6603 (AVR_HAVE_MOVW) Define.
6604 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6605 (ASM_SPEC): Add avr25.
6606 (LINK_SPEC): Add avr25.
6607 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6608 (base_arch_s): Add new member 'have_movw_lpmx'.
6609 (avr_arch_types): Init 'have_movw_lpmx'.
6610 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6611 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6612 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6613 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6614 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6616 (avr_file_start): Do not output '.arh' derective.
6617 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6618 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6619 * config/avr/avr.md (mcu_enhanced): Delete.
6620 (mcu_have_movw): Define.
6621 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6622 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6623 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6624 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6625 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6626 attiny861 and at86rf401 devices.
6628 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6630 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6633 2006-06-17 Karl Berry <karl@gnu.org>
6635 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6636 doc/gccint.texi, doc/install.texi (@dircategory): Use
6637 "Software development" instead of "Programming", following
6638 the Free Software Directory.
6640 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6642 * config/i386/i386.c (legitimate_tls_address)
6643 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6644 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6645 (*tls_dynamic_gnu2_combine_64): Likewise.
6647 2006-06-16 Richard Guenther <rguenther@suse.de>
6650 * fold-const.c (negate_expr_p): Do not introduce undefined
6651 overflow in negating INTEGER_CSTs.
6652 (fold_negate_expr): Rename from negate_expr. Revert last
6653 change for folding BIT_NOT_EXPR. Change semantics to
6654 return NULL_TREE for non-simplified negations. Do not
6655 strip type conversions and unify type handling.
6656 (negate_expr): New function, wrap around fold_negate_expr
6657 but ensure building a tree always. Strip type conversions
6658 here, fold to result type.
6659 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6661 2006-06-16 Roger Sayle <roger@eyesopen.com>
6664 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6665 that (would) return their results in stack registers.
6667 2006-06-16 Michael Matz <matz@suse.de>
6668 Richard Guenther <rguenther@suse.de>
6670 * fold-const.c (fold_truthop): Only return new tree node if
6671 we canonicalized something.
6673 2006-06-16 Richard Guenther <rguenther@suse.de>
6675 * function.h (enum function_frequency): Move declaration
6676 out of struct function.
6677 (struct function): Move bool fields and the enum to the bitfield
6678 section. Reorder elements to avoid padding. Remove unused
6679 fields left over from the RTL inliner removal.
6680 * function.c (free_after_compilation): Do not zero removed fields.
6681 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6682 (ipa-type-escape.o): Likewise.
6684 2006-06-16 Richard Guenther <rguenther@suse.de>
6686 * cgraph.h (struct cgraph_local_info): Turn bool elements
6688 (struct cgraph_node): Likewise.
6689 (struct cgraph_varpool_node): Likewise.
6691 2006-06-15 Richard Guenther <rguenther@suse.de>
6693 * fold-const.c (fold_truth_not_expr): Rename from
6694 invert_truthvalue. Give it fold_* semantics to avoid
6696 (invert_truthvalue): New function. Wrapper around
6697 fold_truth_not_expr.
6698 (optimize_minmax_comparison): Avoid creating garbage.
6699 (fold_unary): Use fold_truth_not_expr for folding
6701 (fold_ternary): Replace uses of invert_truthvalue with
6702 fold_truth_not_expr where applicable.
6703 * tree.h (fold_truth_not_expr): Prototype.
6705 2006-06-16 Richard Guenther <rguenther@suse.de>
6707 PR tree-optimization/27781
6708 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6709 * ipa-pure-const.c (target.h): Include.
6710 (analyze_function): Do not analyze functions that do not
6713 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6716 * tree-dfa.c (referenced_vars_dup_list): Remove.
6717 (find_referenced_vars): Remove assert.
6718 (referenced_var_check_and_insert): Replace dup list with assert.
6719 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6720 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6722 2006-06-15 Richard Guenther <rguenther@suse.de>
6724 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6725 extra unused identifiers if not dumping.
6726 (create_variable_info_for): Likewise.
6728 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6730 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6731 (derive_constant_upper_bound): Derive more precise upper bound in
6732 common cases. Return type changed to double_int.
6733 (record_estimate): Reflect the changed return type of
6734 derive_constant_upper_bound.
6735 * double-int.c (double_int_zext, double_int_sext): Fix.
6737 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6739 * configure.ac (CFLAGS): Get them from the toplevel or from the
6740 configure invocation.
6741 * configure: Regenerate.
6742 * Makefile.in (CFLAGS): Substitute value provided by configure.
6744 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6747 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6748 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6749 rather than calling add_stmt on it.
6750 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6752 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6755 * reload1.c (reload): Remove registers returned by update_eliminables
6756 from used_spill_regs.
6758 2006-06-13 DJ Delorie <dj@redhat.com>
6760 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6762 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6764 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6765 html__strip_dir, html__mkdir_p. Enhance install-html target.
6766 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6767 * configure: Regenerate.
6769 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6771 * fold-const.c (fold_cond_expr_with_comparison): Check for
6772 Objective-C++ as language in deciding COND_EXPR transformation.
6774 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6777 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6778 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6779 * config/sh/lib1funcs.h (SL, SL1): Define.
6780 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6781 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6782 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6783 (OBJS_Os_4_200): New variable.
6784 ($(T)libgcc-Os-4-200.a): Use it.
6785 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6786 when dividing 1 and/or by 0.
6788 2006-06-13 Roger Sayle <roger@eyesopen.com>
6790 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6791 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6792 * configure: Regenerate.
6794 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6796 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6797 for real instruction.
6799 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6802 * haifa-sched.c (check_cfg): Handle special case.
6804 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6807 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6808 Add debug_info parameter. Chain the vars to the BLOCK instead
6809 of the BIND_EXPR if debug info are requested for them.
6810 (pop_gimplify_context): Adjust for above change.
6811 (gimple_add_tmp_var): Likewise.
6812 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6814 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6815 (convert_local_reference): Likewise.
6816 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6817 (finalize_nesting_tree_1): Request that debug info be emitted
6818 for debug_var_chain.
6820 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6822 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6823 for PR target/27863.
6825 2006-06-13 Richard Guenther <rguenther@suse.de>
6828 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6830 2006-06-13 Richard Guenther <rguenther@suse.de>
6832 PR tree-optimization/27830
6833 * tree-inline.c (copy_body_r): For copying the operand
6834 of an ADDR_EXPR make sure to fold &* afterwards.
6836 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6838 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6839 lvalues in the fb_none case with side-effects.
6841 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6843 * tree-flow.h: Remove the prototype for
6844 compute_phi_arg_on_exit.
6845 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6846 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6849 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6851 * builtins.c (expand_builtin_return_addr): Only use
6852 frame_pointer_rtx when count == 0 and we are expanding
6853 __builtin_return_address.
6855 2006-06-12 Fred Fish <fnf@specifix.com>
6857 * config/mips/mips.c (mips_file_start): Create special section
6858 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6860 2006-06-11 Eric Christopher <echristo@apple.com>
6863 * stor-layout.c (place_field): Remove check for
6864 remaining_in_alignment when aligning at the end of a run.
6866 2006-06-11 Eric Christopher <echristo@apple.com>
6869 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6872 2006-06-11 Roger Sayle <roger@eyesopen.com>
6875 Revert incorrect fix for PR target/27158
6876 2006-05-08 Roger Sayle <roger@eyesopen.com>
6877 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6878 of a reg_equiv_constant if the result is a legitimate constant.
6880 2006-06-11 Roger Sayle <roger@eyesopen.com>
6883 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6884 extract a CONST_VECTOR element and interpret it as an integer.
6885 (vspltis_constant): Use const_vector_elt_as_int instead of the
6886 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6887 * config/rs6000/predicates.md (easy_vector_const): Consider
6888 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6890 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6893 * stor-layout.c (update_alignment_for_field): Don't add extra
6894 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6897 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6899 * config/mips/t-rtems: Add EL/EB multilib variants.
6901 2006-06-09 Mike Stump <mrs@apple.com>
6903 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6905 2006-06-09 David Daney <ddaney@avtrex.com>
6907 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6909 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6911 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6913 2006-06-09 Richard Guenther <rguenther@suse.de>
6915 PR tree-optimization/26998
6916 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6917 of signed types, only TYPE_MIN_VALUE is special, but for both,
6918 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6919 in this case, as is -fwrapv.
6921 2006-06-08 Mike Stump <mrs@apple.com>
6924 * config/darwin.c (darwin_asm_output_anchor): Disable
6925 -fsection-anchors on darwin for now.
6926 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6927 * rs6000/rs6000.c (optimization_options): Likewise.
6929 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6932 * config/i386/i386.c (classify_argument): Skip fields with invalid
6935 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6937 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6938 (cse_insn): Likewise for the stack_pointer_rtx.
6940 2006-06-08 Roger Sayle <roger@eyesopen.com>
6942 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6943 conditions from floating point comparisons.
6945 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6948 * expmed.c (struct alg_hash_entry): Fix type of field T
6949 to match synth_mult argument.
6950 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6952 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6955 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6958 2006-06-08 Richard Guenther <rguenther@suse.de>
6961 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6962 only, if overflow is defined and not trapping.
6963 (negate_expr): Likewise.
6965 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6967 PR tree-optimization/27872
6968 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6969 flag on the new exit edge of the unrolled loop.
6971 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6973 PR rtl-optimization/26449
6974 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6976 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6979 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6980 referenced_variables with matching DECL_UID's.
6981 (find_referenced_vars): Make sure duplicate list is empty to start.
6982 (referenced_var_p): Remove.
6983 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6984 Check if var is in the list, and add if needed. Update the duplicate
6985 list if a different var is in the list with the same DECL_UID.
6986 (add_referenced_var): Call routine to check and insert.
6987 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6988 * tree-flow.h (referenced_vars_dup_list): External declaration.
6990 2006-06-07 Fred Fish <fnf@specifix.com>
6992 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6995 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6998 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6999 the imaginary and real parts of a clobbered register.
7000 Emit insn to set the imaginary part.
7002 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7004 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7005 in lieu of unwind-dw2-fde.c.
7007 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7009 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7011 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7014 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7015 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7016 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7017 V4SImode temporaries and operations instead.
7019 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7021 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7024 2006-06-06 Mike Stump <mrs@apple.com>
7026 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7027 installing during build.
7029 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7031 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7033 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7034 * config/ia64/ia64.c (params.h): New header.
7035 (ia64_optimization_options): New function to adjust parameters.
7036 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7037 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7038 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7040 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7042 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7044 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7047 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7049 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7050 Victor Kaplansky <victork@il.ibm.com>
7052 PR tree-optimization/26360
7053 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7056 2006-06-04 Roger Sayle <roger@eyesopen.com>
7057 Andrew Pinski <pinskia@physics.uc.edu>
7060 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7061 for LABEL_DECL before calling DECL_WEAK.
7064 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7065 LABEL_DECL and PARM_DECL.
7067 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7071 * c-decl.c (grokdeclarator): Disallow variably modified types at
7072 file scope. Avoid marking shared array type of constant size as
7075 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7078 * c-common.c (fold_offsetof_1): Handle static members.
7080 2006-06-04 Eric Christopher <echristo@apple.com>
7082 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7083 (debug_rli): Output value for remaining_in_alignment.
7084 (update_alignment_for_field): Unconditionalize
7085 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7086 extra alignment code.
7087 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7088 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7089 * tree.h (record_layout_info_s): Remove prev_packed.
7090 * doc/extend.texi (ms_struct): Add documentation of format.
7092 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7094 * tree.h: Declare folding_initializer.
7095 * builtins.c (fold_builtin_constant_p): Give definite answer
7096 if folding inside an initializer.
7097 * fold-const.c: Define folding_initializer.
7098 (START_FOLD_INIT): Save and then set folding_initializer.
7099 (END_FOLD_INIT): Restore folding_initializer.
7101 2006-06-04 Richard Guenther <rguenther@suse.de>
7103 PR tree-optimization/27039
7104 * fold-const.c (fold_comparison): Handle pointer comparison
7105 again for all comparison codes. Compare offsets in signed
7107 (fold_binary): Move code from here.
7109 2006-06-03 Roger Sayle <roger@eyesopen.com>
7112 * config/i386/i386.c (construct_container): Split static issued_error
7113 flag into issued_sse_arg_error, issued_sse_ret_error and
7114 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7115 requires the use of x87 registers and the user explicitly
7116 specified the -mno-80387 command line option.
7118 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7120 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7121 HAVE_DECL_SIGALTSTACK.
7123 (segv_handler): Use MC_FLD.
7124 * configure.ac: Check for a sigaltstack declaration.
7125 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7126 * configure: Regenerate.
7127 * config.in: Regenerate.
7129 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7132 * Makefile.in (stmp-fixinc): Fix typo.
7134 2006-06-02 Roger Sayle <roger@eyesopen.com>
7136 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7137 are type correct. Clean-up.
7138 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7139 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7141 2006-06-01 DJ Delorie <dj@redhat.com>
7143 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7144 shift, as we've disabled the "switch" insn that needs it.
7146 2006-06-01 Per Bothner <bothner@bothner.com>
7148 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7149 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7150 * c-ppoutput.c (cb_define): Don't increment line 0.
7152 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7154 * doc/invoke.texi: Add cpu_type power6.
7155 * config.gcc: Add cpu_type power6.
7156 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7157 to power5+ with Altivec.
7158 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7159 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7161 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7163 * config/avr/avr.h (SET_ASM_OP): Define.
7165 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7167 * config/bfin/bfin.c: Fix comment typos.
7169 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7172 * doc/install.texi: Document --enable-bootstrap and
7173 --disable-bootstrap.
7175 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7177 * doc/install.texi: Document that InfoZIP can replace jar.
7179 2006-05-31 Roger Sayle <roger@eyesopen.com>
7181 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7182 isn't available, directly generate the simpler x87 patterns without
7183 the (use (const_int 0)).
7184 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7185 implementation isn't available.
7186 (*negdf2_1): Likewise.
7187 (*negxf2_1): XF mode negation is always done using the x87.
7188 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7190 2006-05-31 Roger Sayle <roger@eyesopen.com>
7192 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7193 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7195 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7197 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7199 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7200 * config/bfin/bfin.c (basic-block.h): Include.
7201 (struct machine_function): New.
7202 (bfin_init_machine_status): New.
7203 (override_options): Initialize init_machine_status.
7204 (bfin_hardware_loop): New.
7205 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7206 (DEF_VEC_P (loop_info)): New.
7207 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7208 (struct loop_info): New.
7209 (loop_info): New typedef.
7210 (struct loop_work): New.
7211 (loop_work): New typedef.
7212 (DEF_VEC_O (loop_work)): New.
7213 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7214 (bfin_dump_loops): New.
7215 (bfin_bb_in_loop): New.
7216 (bfin_scan_loop): New.
7217 (bfin_optimize_loop): New.
7218 (bfin_reorg_loops): New.
7219 (bfin_reorg): Use bfin_reorg_loops.
7220 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7222 (I_REGNO_P): Simplify.
7223 (DP_REGNO_P, DPREG_P): New macros.
7224 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7225 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7226 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7227 Add LT_REGS, LC_REGS, LB_REGS.
7228 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7230 (REGNO_REG_CLASS): Deal with loop registers.
7231 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7233 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7234 New constants for loop registers.
7235 (UNSPEC_LSETUP_END): New.
7236 (seq_insns): New define_attr. Set it for appropriate insns.
7237 (movsi_insn): Add alternatives for move from/to
7238 loop count registers.
7239 (doloop_end): New define_expand.
7240 (loop_end): New define_insn.
7241 (define_split for bad doloop_end): New.
7242 (lsetup_with_autoinit): New define_insn.
7243 (lsetup_without_autoinit): New define_insn.
7244 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7245 * config/bfin/predicates.md (lc_register_operand): New.
7246 (lt_register_operand): New.
7247 (lb_register_operand): New.
7248 (nondp_register_operand): New.
7249 (nondp_reg_or_memory_operand): New.
7250 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7252 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7254 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7255 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7257 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7259 * Makefile.in (CATALOGS): Add po/ prefix.
7260 * configure: Regenerated.
7262 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7265 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7266 a shift operand before calling shift_op. Avoid redundant call of
7269 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7270 DJ Delorie <dj@redhat.com>
7272 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7273 we're inserting is a singlt-bit constant.
7275 2006-05-30 Roger Sayle <roger@eyesopen.com>
7277 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7278 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7280 2006-05-30 Roger Sayle <roger@eyesopen.com>
7282 PR tree-optimization/23452
7283 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7284 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7285 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7286 complex values and with -ffast-math for FP complex values.
7288 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7290 * c-common.h: Remove the prototype for yyparse.
7291 * rtl.h: Remove the prototype for init_loop.
7293 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7295 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7298 2006-05-30 Roger Sayle <roger@eyesopen.com>
7300 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7302 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7303 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7305 2006-05-30 Dirk Mueller <dmueller@suse.de>
7308 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7309 for CONSTANT_CLASS_P expresisons.
7311 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7314 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7316 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7318 PR tree-optimization/27779
7319 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7320 initial_condition instead of CHREC_LEFT.
7322 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7324 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7325 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7326 Make prototypes ISO C90.
7328 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7329 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7331 * see.c (see_analyze_one_def): Correct check.
7332 (see_get_extension_data): Check if extension is parallel.
7333 (see_get_extension_reg): Likewise.
7335 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7338 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7339 into register for (code == GTU).
7341 2006-05-29 Roger Sayle <roger@eyesopen.com>
7343 PR tree-optimization/24964
7344 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7345 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7346 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7347 abs(x)*abs(x) as x*x for scalar floating point modes.
7349 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7352 * lambda-code.c (perfect_nestify): Don't copy statements
7353 in the inner loop: move them to the inner loop header.
7355 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7358 * c-tree.texi: Document OpenMP directives and clauses.
7360 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7362 * varasm.c (globalize_decl): Fix indentation.
7364 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7367 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7368 pass_fre, pass_store_ccp, pass_copy_prop,
7369 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7370 pass_return_slot, pass_object_size, pass_lim,
7371 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7372 pass_loop_prefetch and pass_stdarg.
7374 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7376 * config/bfin/bfin.opt (mfdpic): New option.
7377 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7378 (EXTRA_MULTILIB_PARTS): Likewise.
7379 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7380 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7382 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7383 (CRT_CALL_STATIC_FUNCTION): New.
7384 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7386 (CRT_CALL_STATIC_FUNCTION): New.
7387 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7389 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7390 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7391 (initialize_trampoline): Changed to handle FD-PIC code generation.
7392 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7393 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7394 (override_options): Disallow -mid-shared-library -mfdpic combination.
7395 Can't do unaligned ops if FD-PIC.
7396 Turn off flag_pic if trying to generate non-id-shared-library
7397 non-fdpic code, since it's not supported.
7398 (bfin_assemble_integer): New function.
7399 (TARGET_ASM_INTEGER): Define.
7400 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7402 * config/bfin/crtn.s: Restore them.
7403 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7405 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7406 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7407 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7408 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7409 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7411 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7412 FDPIC_REGS and FDPIC_FPTR_REGS.
7413 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7414 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7415 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7416 (load_funcdescsi): New pattern.
7417 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7418 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7419 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7421 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7423 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7426 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7428 * tree-flow.h: Remove the prototype for add_type_alias.
7429 * tree-ssa-alias.c (add_type_alias): Remove.
7431 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7433 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7434 config/fr30/fr30.md, config/i386/i386-interix.h,
7435 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7436 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7437 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7438 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7439 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7440 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7441 Follow spelling conventions.
7442 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7443 Follow spelling conventions.
7445 2006-05-27 Richard Guenther <rguenther@suse.de>
7448 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7449 to produce a constant of value 1 of generic type.
7451 2006-05-27 Dirk Mueller <dmueller@suse.de>
7453 * cgraphunit.c (decide_is_function_needed): Fix wrong
7456 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7458 PR rtl-optimization/27661
7459 * reload.c (find_reloads): When reloading a VOIDmode constant
7460 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7461 use Pmode as mode of the reload register.
7463 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7465 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7466 is enabled at -O and above.
7468 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7471 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7474 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7477 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7478 for anonymous variables explicitly declared by front ends.
7480 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7482 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7483 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7484 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7485 ref-all pointers, run a finalization pass for them.
7486 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7487 (finalize_ref_all_pointers): New function.
7488 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7489 regular pointer type to a ref-all pointer type.
7490 (get_tmt_for): Return the special memory tag for ref-all pointers.
7492 2006-05-25 Richard Guenther <rguenther@suse.de>
7495 * fold-const.c (fold_binary): Do not look at the stripped
7496 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7498 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7500 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7501 for LT and GT if the computed range is effectively empty.
7503 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7506 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7507 mips_quad_format formats instead of ieee_single_format,
7508 ieee_double_format and ieee_quad_format formats, respectively.
7510 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7512 PR tree-optimization/27639
7513 PR tree-optimization/26719
7514 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7515 call to scev_probably_wraps_p.
7516 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7517 used_in_pointer_arithmetic_p, convert_step): Removed.
7518 (nowrap_type_p): New function.
7519 (scev_probably_wraps_p): Rewritten.
7520 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7521 chrec_convert if chrec_convert_aggressive might have been used.
7522 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7523 scev_direction): New functions.
7524 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7525 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7526 instead of convert_step.
7527 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7528 (convert_step): Declaration removed.
7529 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7531 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7533 * df-core.c: Added to header comments.
7534 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7535 df_ur_bb_info, df_urec_bb_info): Added comments.
7536 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7537 urec, ri problems): Fixed header comments.
7538 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7539 code from df_rd_transfer_function.
7541 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7543 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7544 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7545 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7547 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7549 * expr.c (undefined_operand_subword_p): New.
7550 (emit_move_multi_word): Do not generate move from undefined bits
7551 of a paradoxical subreg.
7553 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7555 PR rtl-optimization/27736
7556 * combine.c (replaced_rhs_value): New variable.
7557 (combine_instructions): Set it.
7558 (distribute_notes): When distributing a note in replaced_rhs_insn,
7559 check whether the value was used in replaced_rhs_value.
7561 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7564 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7565 add_referenced_var instead of add_referenced_tmp_var.
7566 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7567 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7569 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7570 tree_optimize_tail_calls_1): Use add_referenced_var.
7571 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7572 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7573 Use add_referenced_var.
7574 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7575 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7576 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7577 Use add_referenced_var.
7578 * tree-dfa.c (struct walk_state): Remove.
7579 (find_referenced_vars): Remove walk state and vars_found hash table.
7580 (make_rename_temp): Use add_referenced_var.
7581 (find_vars_r): Pass less parameters to add_referenced_var.
7582 (referenced_var_p): New. Is var in referenced_var hash table.
7583 (referenced_var_insert): Assert var isn't already in hash table.
7584 (add_referenced_var): Don't need walk_state parameter. Add var if it
7585 isn't already in the hash table.
7586 (add_referenced_tmp_var): Remove.
7587 (find_new_referenced_vars_1): Use add_referenced_var.
7588 * tree-ssa-pre.c (create_expression_by_pieces,
7589 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7590 Use add_referenced_var.
7591 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7592 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7593 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7595 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7596 vect_create_data_ref_ptr, vect_create_destination_var,
7597 vect_init_vector, vect_build_loop_niters,
7598 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7599 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7600 Use add_referenced_var.
7601 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7602 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7603 (add_referenced_var): Add prototype.
7604 * tree-ssa-structalias.c (get_constraint_for,
7605 intra_create_variable_infos): Use add_referenced_var.
7607 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7609 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7610 big-endian paradoxical subregs.
7611 * var-tracking.c (struct micro_operation_def): Document that,
7612 for modify micro operations, insn is the subsequent instruction.
7613 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7614 (var_reg_set, var_mem_set): ... new functions.
7615 (add_stores): Record subsequent insn.
7616 (compute_bb_dataflow): Use new functions for MO_USE.
7617 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7618 notes after the insn, and modify notes before the insn known
7619 to be the subsequent one.
7620 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7622 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7625 * config/i386/i386.c (ix86_expand_builtin): Use
7626 gen_sse3_monitor64 for TARGET_64BIT.
7628 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7630 PR rtl-optimization/26375
7631 PR rtl-optimization/26855
7632 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7634 (df_ru_bb_local_compute): Reversed statements and removed bogus
7635 comment explaining why they should be in wrong order.
7636 (df_ru_dump, df_rd_dump): Enhanced debug info.
7637 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7639 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7640 reaching uses and fixed space problem.
7642 2006-05-23 Jan Hubicka <jh@suse.cz>
7644 * cgraphunit.c (decide_is_function_needed): Also nested functions
7645 and functions declared inline can be optimized out at -O0.
7647 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7649 * doc/install.texi (Configuration): Remove reference to CrossGCC
7653 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7656 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7657 ix86_compare_emitted is non-NULL.
7659 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7662 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7665 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7667 PR rtl-optimization/25514
7668 * combine.c (replaced_rhs_insn): New variable.
7669 (combine_instructions): Set replaced_rhs_insn when trying to replace
7670 a SET_SRC with a REG_EQUAL note.
7671 (distribute_notes): Use replaced_rhs_insn when determining the live
7672 range of a REG_DEAD register.
7674 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7675 Anatoly Sokolov <aesok@post.ru>
7677 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7678 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7679 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7680 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7681 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7682 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7683 at90usb647, at90usb1286 and at90usb1287 devices.
7684 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7685 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7687 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7689 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7691 2006-05-22 Richard Guenther <rguenther@suse.de>
7694 2006-01-31 Richard Guenther <rguenther@suse.de>
7695 Paolo Bonzini <bonzini@gnu.org>
7697 * doc/install.texi (--disable-libgcc-math): Document.
7699 2006-05-22 Richard Guenther <rguenther@suse.de>
7702 2006-01-31 Richard Guenther <rguenther@suse.de>
7704 * doc/invoke.texi (-msselibm): Document.
7705 * target.h (expand_library_builtin): New target hook.
7706 * builtins.c (expand_builtin): Use expand_library_builtin.
7707 (default_expand_library_builtin): New function.
7708 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7709 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7710 (link_gcc_math_spec): Declare.
7711 (static_specs): Add link_gcc_math_spec.
7712 * expr.h (default_expand_library_builtin): Declare.
7713 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7714 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7715 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7716 * config/i386/i386.opt (msselibm): New target option.
7717 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7718 (ix86_init_sse_abi_builtins): New function.
7719 (ix86_expand_library_builtin): Likewise.
7720 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7721 (override_options): Handle error conditions wrt -msselibm.
7722 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7723 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7724 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7727 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7730 * c-common.c (self_promoting_args_p): Skip erroneous args.
7733 * c-decl.c (finish_struct): Skip erroneous fields.
7735 2006-05-22 Nick Clifton <nickc@redhat.com>
7737 * config/cris/cris.opt (march): Remove VarExists attribute.
7738 (max-stackframe=): Likewise.
7740 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7742 * doc/rtl.texi: Fix a typo.
7743 * see.c: Fix comment typos.
7745 * tree-ssa-structalias.h (alias_info): Remove num_references.
7747 2006-05-21 Mike Stump <mrs@apple.com>
7749 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7751 (darwin_pragma_options): Use BAD instead.
7752 (darwin_pragma_unused): Likewise.
7753 (darwin_pragma_ms_struct): Likewise.
7755 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7757 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7759 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7761 PR rtl-optimization/27671
7762 * simplify-rtx.c (simplify_relational_operation_1): Fix
7763 simplifications of (eq/ne (xor x y) y) and
7764 (eq/ne (xor x y) x).
7766 PR tree-optimization/26622.
7767 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7770 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7772 * tree-cfg.c: Prune whitespace.
7773 (debug_tree_cfg): Point to correct header containing the
7776 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7779 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7781 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7784 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7785 or sorry count is non zero.
7787 2006-05-20 Andreas Schwab <schwab@suse.de>
7789 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7791 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7792 Kenneth Zadeck <zadeck@naturalbridge.com>
7794 PR rtl-optimization/26855
7796 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7798 (df_scan_alloc): Added code to properly handle multiword hard
7799 registers and add all_blocks parameter.
7800 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7801 code to properly handle multiword hard registers.
7802 (df_rescan_blocks): Added code to remove deleted blocks from
7804 (df_ref_create_structure, df_ref_record): Added code to properly
7806 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7807 and set DF_REF_PARTIAL.
7808 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7809 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7810 (df_scan_add_problem): Added flags parameter.
7811 (df_ref_create_structure): Changed switching structure.
7812 (df_bb_refs_record): Fixed case where duplicate artificial refs
7813 were created. Changed location of flags.
7814 (df_record_entry_block_defs): Added code to make stack pointer
7815 live in entry block. Refined cases where frame pointer is needed.
7816 Changed location of flags.
7817 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7818 (df_set_state): Removed function.
7819 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7820 df_insn_create_insn_record, df_insn_refs_delete,
7821 df_ref_create_structure): Formatting changes.
7822 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7823 df_delete_basic_block): New function.
7824 (df_init): Changed location of flags.
7825 (df_add_problem): Added flags parameter and the way flags are
7827 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7828 debug_df_chain): Improved debugging output.
7829 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7830 (df_refs_chain_dump): Removed df parameter.
7831 (df_iterative_dataflow): Added consistency check.
7832 (df_prune_to_subcfg): Made public.
7833 (df_analyze_problem): Added blocks_to_init parameter and made
7835 (df_ref_record, df_bb_refs_record, df_mark_reg,
7836 df_record_exit_block_uses): Whitespace changes.
7837 (df_dump): Whitespace changes.
7838 * df.h: Some reordering to remove forward references.
7839 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7840 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7841 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7842 (dataflow.flags): New field.
7843 (df.flag): Deleted field.
7844 (df_alloc_function): Added additional bitmap parameter.
7845 (df_dependent_problem_function): New type.
7846 (df_problem.changeable_flags): New field.
7847 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7848 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7849 (df_mw_hardreg): New struct.
7850 (DF_INSN_UID_MWS): New macro.
7851 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7853 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7854 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7855 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7856 (df_set_state): Removed function.
7857 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7858 * df-problems.c (df_chain_dump): Removed df parameter.
7859 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7860 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7862 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7863 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7864 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7865 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7866 DF_REF_MUST_CLOBBER cases.
7867 (df_ru_bb_local_compute_process_def,
7868 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7869 df_lr_bb_local_compute, df_ur_bb_local_compute,
7870 df_chain_create_bb): Made subreg aware.
7871 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7872 df_lr_bb_local_compute, df_lr_bb_local_compute,
7873 df_chain_create_bb): Cleanup to use proper macros.
7874 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7875 code to fixup bitvectors.
7876 (df_ri_alloc): Cleared lifetime.
7877 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7878 df_create_unused_note): New function.
7879 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7880 REG_DEAD and REG_UNUSED notes as well as register information.
7881 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7882 df_chains_dump): Fixed crash if problem was never run.
7883 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7884 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7885 df_ri_add_problem): Processes flags in uniform manner.
7886 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7887 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7888 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7889 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7890 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7891 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7892 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7893 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7894 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7895 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7896 * see.c (see_initialize_data): Ditto.
7897 * final.c (rest_of_clean_state) Added regstack_completed.
7898 * rtl.h (regstack_completed): Ditto.
7899 * reg-stack.c (regstack_completed): Ditto.
7901 2006-05-19 Mike Stump <mrs@apple.com>
7903 * c-tree.h (default_conversion): Remove.
7904 * c-common.h (default_conversion): Add.
7906 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7908 * tree-vrp.c (valid_value_p): New function.
7909 (adjust_range_with_scev): Fail if the value of bound is not
7912 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7914 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7915 (mips_fallback_frame_state): Use syscall numbers to determine
7916 the appropriate li instruction for the current ABI. Only use
7917 __NR_sigreturn for o32.
7919 2006-05-19 Nicolas Setton <setton@adacore.com>
7921 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7922 * langhooks.c (lhd_dwarf_name): New function.
7923 * langhooks-def.h (lhd_dwarf_name): Declare.
7924 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7925 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7926 * ada/misc.c (gnat_dwarf_name): New function.
7927 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7929 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7931 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7933 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7934 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7935 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7936 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7937 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7938 determine the size of Wtype, etc.
7939 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7940 (swfloatfuncs): New variable.
7941 (dwfloatfuncs): Likewise.
7942 (lib2funcs): Remove floating-point conversion functions from
7943 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7944 the set of conversion routines needed. Allow entries to specify
7945 an object name, filename and word size. Update users accordingly.
7946 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7947 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7951 2006-02-08 Roger Sayle <roger@eyesopen.com>
7954 * config/fixtfdi.c: New libgcc source file.
7955 * config/fixunstfdi.c: New source file.
7956 * config/floatditf.c: New source file.
7957 * config/floatunditf.c: New souce file.
7958 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7959 files above instead of config/mips/_tilib.c.
7960 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7962 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7964 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7965 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7967 2006-05-18 Mike Stump <mrs@apple.com>
7969 Fix up vla, vm and [*] sematics.
7975 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7976 (c_vla_unspec_p): Add.
7977 (c_vla_type_p): Add.
7978 * c-decl.c (struct c_scope): Add had_vla_unspec.
7979 (build_array_declarator): Add support for [*].
7980 (grokdeclarator): Likewise.
7981 (grokparms): Likewise.
7982 (get_parm_info): Likewise.
7983 * c-objc-common.c (c_vla_unspec_p): Likewise.
7984 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7985 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7986 typeof when argument is a variably modified type not inside sizeof or alignof.
7987 (c_parser_direct_declarator_inner): Propagate errors.
7988 (c_parser_sizeof_expression): Add support for [*].
7989 (c_parser_parms_declarator): Initialize had_vla_unspec.
7990 (c_parser_parms_list_declarator): Likewise.
7991 * c-typeck.c (c_vla_type_p): Add.
7992 (composite_type): Add support for vla compositing.
7993 (comptypes_internal): Add support for vla compatibility.
7994 (c_expr_sizeof_expr): Evaluate vla arguments.
7995 * tree.c (variably_modified_type_p): Update comment for [*].
7997 2006-05-18 Michael Matz <matz@suse.de>
8000 * config.host: Make assignments to host_xmake_file cumulative.
8001 * config.host (*-darwin*): Test $host, not $target.
8003 2006-05-12 Stuart Hastings <stuart@apple.com>
8005 * config/i386/i386.opt (-mstackrealign): New flag.
8006 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8007 (ix86_handle_cconv_attribute): Emit error when
8008 force_align_arg_pointer attribute collides with too many regparms.
8009 (ix86_function_regparm): Limit regparms when used with
8010 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8011 Support stack-realigning prologue in non-main functions. Emit
8012 warning for nested functions under -mstackrealign, emit error for
8013 nested functions with force_align_arg_pointer attribute.
8014 * doc/extend.texi (force_align_arg_pointer): Document it.
8015 * doc/invoke.texi (-mstackrealign): Document it.
8017 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8019 PR rtl-optimization/27477
8020 * combine.c (try_combine): Don't split a parallel consisting
8021 of two sets into two individual sets if both sets reference
8024 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8026 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8027 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8029 * doc/options.texi (VarExists): Updated.
8031 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8033 * unwind-dw2.c: Add declarations for uw_update_context and
8035 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8036 detected, advance frame state and context once to skip over stub.
8038 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8042 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8043 Call rewrite_into_loop_closed_ssa only when something changed.
8044 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8045 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8046 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8047 Test for perfect_nest_p here. Fix formating.
8048 (replace_uses_equiv_to_x_with_y): Fix formating.
8049 (stmt_uses_op): Removed.
8050 (can_convert_to_perfect_nest): Removed loopivs parameter.
8051 Complete the test by checking the scalar dependences.
8052 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8055 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8058 From Dan Kegel <dank@kegel.com>:
8059 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8061 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8063 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8064 if the element type is variably modified without recursing.
8066 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8069 * tree-loop-linear.c (try_interchange_loops): Test for
8070 no data dependences.
8072 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8074 PR tree-optimization/27548
8075 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8076 range of ssa names that appear on abnormal edges.
8077 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8078 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8080 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8083 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8085 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8088 * tree.h (OMP_PARALLEL_COMBINED): Define.
8089 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8090 (new_omp_context): Add is_combined_parallel argument.
8091 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8092 new_omp_context caller.
8093 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8094 Adjust gimplify_scan_omp_clauses callers.
8095 (omp_is_private): Issue errors if iteration variable is firstprivate
8096 or reduction in the current context.
8097 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8098 on combined parallel workshare constructs.
8100 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8102 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8103 (gcc-options.o): New rule.
8105 * optc-gen.awk: Protect variables for gcc-options.o with
8106 #ifdef GCC_DRIVER/#endif.
8108 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8110 Fix PR tree-optimization/27373
8111 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8112 (forward_propagate_addr_expr): Update call.
8114 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8116 * doc/options.texi: Move the Negative option.
8118 2006-05-16 Richard Guenther <rguenther@suse.de>
8120 PR tree-optimization/22303
8121 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8123 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8124 ccp_fold did not simplify the statement.
8126 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8129 * Makefile.in (GCC_OBJS): New.
8130 (OBJS-common): Add opts-common.o.
8131 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8132 (cpp$(exeext)): Likewise.
8133 (gcc.o): Also depend on opts.h.
8134 (opts-common.o): New.
8136 * common.opt (gcoff): Add Negative(gdwarf-2).
8137 (gdwarf-2): Add Negative(gstabs).
8138 (gstabs): Add Negative(gstabs+).
8139 (gstabs+): Add Negative(gvms).
8140 (gvms): Add Negative(gxcoff).
8141 (gxcoff): Add Negative(gxcoff+).
8142 (gxcoff+): Add Negative(gcoff).
8143 * config/i386/i386.opt (m32): Add Negative(m64).
8144 (m64): Add Negative(m32).
8146 * doc/options.texi: Document the Negative option.
8148 * gcc.c: Include "opts.h".
8149 (main): Call prune_options after expandargv.
8151 * optc-gen.awk: Generate common declarations for all flag
8152 variables in options.c. Output the neg_index field.
8154 * opts.c (find_opt): Moved to ...
8155 * opts-common.c: Here. New file.
8157 * opts.h (cl_option): Add a neg_index field.
8159 (prune_options): Likewise.
8161 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8164 * omp-low.c (expand_omp_parallel): Don't assert
8165 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8166 instead search for it.
8169 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8172 2006-05-16 Andreas Schwab <schwab@suse.de>
8174 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8177 2006-05-15 Roger Sayle <roger@eyesopen.com>
8180 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8181 integer constants other than zero are only legitimate on TARGET_64BIT.
8182 <CONST_VECTOR> Only zero vectors are legitimate.
8183 (ix86_cannot_force_const_mem): Integral and vector constants can
8184 always be put in the constant pool.
8186 2006-05-16 DJ Delorie <dj@redhat.com>
8188 * crtstuff.c (__dso_handle): Set section from
8189 TARGET_LBIGCC_SDATA_SECTION if defined.
8190 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8191 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8193 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8196 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8199 2006-05-16 Ben Elliston <bje@au.ibm.com>
8201 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8203 2006-05-15 Per Bothner <per@bothner.com>
8205 * tree.c: (last_annotated_node): Use source_locus typedef.
8206 This permits bootstrapping with --enable-mapped-location.
8208 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8210 PR tree-optimization/26830
8211 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8212 (info_for_ssa_name, current_info_for_ssa_name_age,
8213 blocks_to_update): New variables.
8214 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8215 (clear_ssa_name_info, initialize_flags_in_bb,
8216 mark_block_for_update): New functions.
8217 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8218 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8219 prepare_def_site_for): Use mark_block_for_update.
8220 (mark_def_interesting): Assert that the processed block is marked in
8221 blocks_to_update. Do not take blocks argument.
8222 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8224 (rewrite_update_init_block, rewrite_update_stmt): Only process
8225 blocks with statements to rewrite.
8226 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8227 (update_ssa): Initialize and free blocks_to_update. Do not
8228 clear flags on statements. Do not use blocks bitmap.
8229 * tree.h (SSA_NAME_AUX): Removed.
8230 (struct tree_ssa_name): Removed aux field.
8231 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8233 2006-05-15 Richard Guenther <rguenther@suse.de>
8235 PR tree-optimization/27603
8236 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8237 Do computations in original type.
8239 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8241 * see.c: Code style changes such as redundant paranthesis,
8242 redundant intialization of local variables etc.
8243 (see_main): Declared now as static.
8244 * doc/invoke.texi: Update that -fsee is not enabled by
8247 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8249 * omp-low.c (check_omp_nesting_restrictions): New function.
8250 (scan_omp_1): Call it.
8253 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8254 construct, return *VAR.
8256 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8258 PR rtl-optimization/27406
8259 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8262 2006-05-14 Roger Sayle <roger@eyesopen.com>
8264 PR rtl-optimization/27538
8265 * combine.c (expand_compound_operation): Call gen_lowpart
8266 before calling simplify_shift_const.
8268 2006-05-14 Roger Sayle <roger@eyesopen.com>
8270 PR rtl-optimization/22563
8271 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8272 a fixed width bitfield, always force the intermediates into psuedos.
8274 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8277 * mkconfig.sh: Use operator = instead of == for test.
8279 2006-05-13 Nick Clifton <nickc@redhat.com>
8281 * dwarf2out.c (dbx_reg_number): Check return value from
8282 LEAF_REG_REMAP and only use it if it is valid.
8283 (multiple_reg_loc_descriptor): Likewise.
8285 2006-05-13 Richard Guenther <rguenther@suse.de>
8287 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8290 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8292 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8293 information attached to non-INSNs such as NOTEs.
8294 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8296 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8298 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8300 * config/s390/s390.md: Adjust comment describing On constraint.
8302 2006-05-11 Jan Hubicka <jh@suse.cz>
8304 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8305 to be output at -O0.
8307 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8310 * fold-const.c (size_binop): Move sanity check for arguments to
8311 the beginning of the function.
8314 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8317 2006-05-11 Richard Guenther <rguenther@suse.de>
8320 * fold-const.c (fold_unary): Handle intermediate conversion
8321 to a pointer type like intermediate conversion to an integer
8322 type in folding of (T1)(T2)var to var.
8323 Match the code to the comment in the final conversion for
8324 (T1)(T2)var to (T1)var regarding to type precision. Rather
8325 than disallow T1 being of pointer type, assert that both T1
8326 and var are of pointer type or not. Make sure not to fall
8327 over the frontends lazyness wrt array to pointer decay though.
8329 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8331 * arm.c (arm_struct_value_rtx): Delete.
8332 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8333 (arm_init_cumulative_args): Always initialize nregs to zero.
8335 2006-05-10 Richard Guenther <rguenther@suse.de>
8337 PR tree-optimization/27532
8338 * tree-object-size.c (plus_expr_object_size): Fix typo.
8340 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8343 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8344 ashrdi_const, ashrdi3): Use a scratch register.
8346 2006-05-10 Richard Guenther <rguenther@suse.de>
8348 PR tree-optimization/27302
8349 * fold-const.c (operand_equal_p): For two comparisons,
8350 try comparison of one comparison code swapped if that yields
8353 2006-05-10 Ben Elliston <bje@au.ibm.com>
8355 * tree-pretty-print.c (pretty_print_string): No need to handle
8356 '\0' as a special character.
8358 * tree.h: Include "hashtab.h".
8359 (iterative_hash_expr): Use hashval_t in its prototype.
8360 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8362 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8365 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8366 (hppa*64*-*-hpux11*): Ditto.
8367 (hppa[12]*-*-hpux11*): Ditto.
8369 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8372 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8374 2006-05-09 Michael Matz <matz@suse.de>
8376 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8377 host_extra_gcc_objs and host_xmake_file.
8378 (<*-*-linux*>): Don't overwrite host_xmake_file.
8379 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8380 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8381 (host_detect_local_cpu): Declare.
8382 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8383 * config/i386/i386.c (override_options): Handle -mtune=native
8385 * config/i386/x-i386: New file.
8386 * config/i386/driver-i386.c: New file.
8387 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8390 2006-05-09 Dirk Mueller <dmueller@suse.de>
8391 Richard Guenther <rguenther@suse.de>
8394 * fold-const.c (fold_read_from_constant_string): Relax check
8395 for matching types to matching modes.
8397 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8399 PR rtl-optimization/27335
8400 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8403 2006-05-08 Chao-ying Fu <fu@mips.com>
8404 Richard Sandiford <richard@codesourcery.com>
8406 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8407 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8408 * config/mips/mips.md (UNSPEC_SCC): New constant.
8409 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8410 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8411 (mips_emit_compare): Use it.
8412 (mips_expand_vcondv2sf): New function.
8414 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8416 Fix PR tree-optimization/27093
8417 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8418 renaming when they become not-used_alone.
8420 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8422 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8423 relocation and relocation stubs.
8425 2006-05-08 Eric Christopher <echristo@apple.com>
8427 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8430 2006-05-08 Jan Hubicka <jh@suse.cz>
8433 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8434 unused static functions are needed.
8436 2006-05-08 Roger Sayle <roger@eyesopen.com>
8439 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8440 of a reg_equiv_constant if the result is a legitimate constant.
8442 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8445 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8446 standard 80387 constants, raise the cost to prevent
8447 compress_float_constant() to generate load from memory.
8449 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8451 * config/arm/constraints.md (c): Fix a typo.
8453 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8456 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8459 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8461 (_mm_mwait): Likewise.
8463 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8465 (sse3_monitor): Make it 32bit only.
8466 (sse3_monitor64): New. 64bit monitor.
8468 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8471 * config/i386/i386.c (classify_argument): Skip fields with invalid
8474 2006-05-07 Richard Guenther <rguenther@suse.de>
8476 PR tree-optimization/27409
8477 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8478 Do not try to find zero-sized subvars.
8480 2006-05-07 Richard Guenther <rguenther@suse.de>
8482 PR tree-optimization/27136
8483 * tree-ssa-loop-niter.c (get_val_for): Correct function
8484 comment, assert requirements.
8485 (loop_niter_by_eval): Stop processing if the iterated
8486 value did not simplify.
8488 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8490 * opts.c (flag_see): remove its setting at -O3.
8492 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8494 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8495 * arm/constraints.md: New file.
8496 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8497 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8498 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8499 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8500 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8501 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8502 * arm.md: Include constraints.md.
8503 (thumb_movsi_insn): Use satisfies_constraint_J.
8504 (movhi, movqi): Use satisfies_constraint_I.
8506 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8508 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8509 for atmeg a645 device.
8511 2006-05-06 Richard Guenther <rguenther@suse.de>
8513 PR tree-optimization/27151
8514 * tree-vect-transform.c (vectorizable_condition): Punt on
8515 values that have a different type than the condition.
8517 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8520 * c-parser.c (c_parser_cast_expression): Only insert casts into
8521 hash table if pointer.
8522 * function.c (used_types_insert_helper): Rename from
8524 (used_types_insert): Call used_types_insert_helper.
8525 * function.h (used_types_insert): Accept only one argument.
8527 2006-05-05 David Edelsohn <edesohn@gnu.org>
8529 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8530 scratch with output modifier.
8532 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8535 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8536 with output modifier.
8538 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8541 * config/mips/mips.c (mips_symbolic_address_p): Return true
8542 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8543 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8545 2006-05-04 Richard Guenther <rguenther@suse.de>
8547 PR tree-optimization/14287
8548 PR tree-optimization/14844
8549 PR tree-optimization/19792
8550 PR tree-optimization/21608
8551 PR tree-optimization/27090
8552 * tree-ssa-pre.c (try_combine_conversion): New function.
8553 (compute_avail): After constructing the value-handle
8554 expression, use try_combine_conversion to combine NOP_EXPRs
8555 with previous value-handle expressions and use the result if it
8558 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8560 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8562 2006-05-04 Jan Hubicka <jh@suse.cz>
8565 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8567 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8569 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8570 that this only matches CONST_INTs. All users changed to VOIDmode
8573 * config/bfin/bfin.c: Include "optabs.h".
8574 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8576 (enum bfin_builtins): Add a number of fractional and vector builtins.
8577 (bfin_init_builtins): Likewise.
8578 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8579 (safe_vector_operand, bfin_expand_binop_builtin,
8580 bfin_expand_unop_builtin): New functions.
8581 (bfin_expand_builtin): Handle the new builtins.
8582 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8585 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8588 * Makefile.in (OBJS-common): Add see.o.
8589 (see.o): Add dependencies.
8590 * common.opt (fsee): New flag for the see optimization was added.
8591 * opts.c (flag_see): Initialized.
8592 * passes.c (init_optimization_passes, pass_see): New pass.
8593 * rtl.h (see_main): Declaration as extern.
8594 * timevar.def (TV_SEE): New.
8595 * tree-pass.h (pass_see): Declaration as extern.
8596 * invoke.texi (-fsee): Document.
8597 * recog.c (validate_simplify_insn): New function.
8598 * recog.h (validate_simplify_insn): Declaration as extern.
8599 * df-problems.c (df_chain_dump): Check for NULL.
8601 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8602 Daniel Berlin <dberlin@dberlin.org>
8604 * cfgrtl.c (insert_insn_bb_end_new): New function.
8605 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8607 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8609 * df.h (struct web_entry): Moved from web.c.
8610 (union_defs): Declaration as extern.
8611 (unionfind_root): Likewise.
8612 (unionfind_union): Likewise.
8613 * web.c (struct web_entry): Moved to df.h.
8614 (unionfind_root): Remove static declaration.
8615 (unionfind_union): Likewise.
8616 (union_defs): Likewise and generalize to use callback function.
8617 (web_main): Update arguments for union_defs function call.
8619 2006-05-04 Richard Guenther <rguenther@suse.de>
8621 PR tree-optimization/26447
8622 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8623 produce SSA_NAME copies before the store stmt to avoid
8624 breaking exception handling.
8626 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8629 * gimplify.c (omp_is_private): If var is shared in some outer context,
8630 return false instead of true. Stop searching on parallel context
8633 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8636 * coverage.c: Use get_gcov_unsigned_t() instead of
8637 unsigned_type_node all over.
8639 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8641 PR tree-optimization/27381
8642 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8643 maintain the same immediate_use links.
8644 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8645 node rather than segfaulting.
8647 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8650 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8651 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8652 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8654 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8656 Fix PR tree-optimization/26626
8657 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8659 * tree-ssa-operands.c (access_can_touch_variable): Allow
8660 typecasting through union pointers.
8662 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8665 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8666 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8667 to find if var will be a global variable even in the nested context.
8668 (omp_copy_decl): Only check for global variable at the end, it might
8669 be overridden in outer contexts.
8670 (scan_sharing_clauses): For global variables don't create a field.
8671 (lower_rec_input_clauses): Do nothing for global shared variables.
8672 Emit a barrier at the end of ILIST if there were any decls in both
8673 firstprivate and lastprivate clauses.
8674 (lower_send_clauses): Do nothing for global variables except for
8677 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8679 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8680 of the correct signedness is returned.
8682 2006-05-02 Jeff Law <law@redhat.com>
8684 PR tree-optimization/27364
8685 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8686 multiply expressions.
8688 2006-05-02 Tom Tromey <tromey@redhat.com>
8690 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8692 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8695 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8696 -mthumb -fPIC are used.
8698 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8699 Joshua Kinard <kumba@gentoo.org>
8702 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8703 with 64-bit pointers.
8705 2006-05-02 Paul Brook <paul@codesourcery.com>
8707 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8709 (create_fix_barrier): Check that a suitable barrier location is
8711 (arm_reorg): Include ftmp->address in allowable range of addresses.
8713 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8716 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8719 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8722 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8723 around RESULT_DECL for result passed by reference.
8724 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8725 * omp-low.c (use_pointer_for_field): Don't look at
8726 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8727 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8728 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8729 time or var for passing by reference for
8730 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8731 TREE_ADDRESSABLE variables when passing by reference.
8733 * omp-low.c (dump_omp_region): Fix output formatting.
8736 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8737 (expand_omp_parallel): Likewise.
8738 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8741 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8742 on statement list containing also constructors and destructors.
8743 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8746 * except.c (duplicate_eh_regions): Fix clearing of
8747 cfun->eh->region_array entries.
8749 2006-05-01 DJ Delorie <dj@redhat.com>
8751 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8753 (gcc_cv_objdump): Likewise.
8754 * configure: Regenerated.
8756 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8759 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8760 templates for case 3 and 4.
8762 2006-05-01 DJ Delorie <dj@redhat.com>
8764 * vec.c: Include bconfig.h when appropriate.
8765 * Makefile.in (build/vec.o): Adjust dependencies.
8766 * mkconfig.sh: Make sure config.h isn't used for build machine
8769 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8771 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8773 (mark_phi_for_rewrite): New function.
8774 (insert_phi_nodes_for, mark_use_interesting): Call
8775 mark_phi_for_rewrite.
8776 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8777 (update_ssa): Initialize and free phis_to_rewrite.
8779 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8781 PR rtl-optimization/27291
8782 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8783 folded to a constant.
8785 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8787 PR tree-optimization/27283
8788 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8789 not whole # of iteration descriptions.
8790 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8791 uses abnormal ssa name.
8792 (niter_for_single_dom_exit): Ditto.
8793 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8794 return just the number of iterations.
8796 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8798 PR tree-optimization/27144
8799 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8800 (record_estimate): Only record constant upper bound.
8801 (infer_loop_bounds_from_undefined): Call
8802 compute_estimated_nb_iterations just once.
8803 (proved_non_wrapping_p): Renamed to ...
8804 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8805 (convert_step_widening, scev_probably_wraps_p): Call
8806 n_of_executions_at_most instead of proved_non_wrapping_p.
8807 (substitute_in_loop_info): Do not replace values in bounds.
8808 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8811 2006-05-01 Richard Henderson <rth@redhat.com>
8814 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8815 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8818 2006-05-01 Roger Sayle <roger@eyesopen.com>
8820 * c-typeck.c (parser_build_binary_op): Don't call the function
8821 unsigned_conversion_warning to spot operand/result type overflow.
8822 (build_binary_op): Instead, call convert_and_check instead of
8823 convert to report the problem when the operands are promoted.
8824 * c-common.c (unsigned_conversion_warning): Make static.
8825 * c-common.h (unsigned_conversion_warning): Delete prototype.
8827 2006-05-01 Richard Guenther <rguenther@suse.de>
8829 PR tree-optimization/26726
8830 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8832 (find_interesting_uses_address): ... we work around here
8833 by folding INDIRECT_REFs in the substituted base.
8835 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8837 * omp-low.c (dump_omp_region): Add newlines.
8839 2006-04-30 Roger Sayle <roger@eyesopen.com>
8841 * common.opt (Woverflow): New command line option.
8842 * c-common.c (constant_expression_warning): Check warn_overflow.
8843 (overflow_waring): Pass OPT_Woverflow to warning.
8844 (unsigned_conversion_warning): Likewise.
8845 (convert_and_check): Likewise.
8846 * doc/invoke.texi: Document new command line option.
8848 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8850 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8851 TARGET_NO_FP_IN_TOC for section anchors.
8852 (optimization_options): Enable section anchors for all
8853 non-"Objective" languages.
8855 2006-04-28 Eric Christopher <echristo@apple.com>
8857 * config/darwin-c.c (darwin_ms_struct): Move this
8858 (darwin_set_default_type_attributes): and this...
8859 * config/darwin.c: ... here.
8860 * config/darwin.h (darwin_ms_struct): Declare.
8862 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8864 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8866 2006-04-28 Roger Sayle <roger@eyesopen.com>
8869 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8870 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8871 an unsigned HOST_WIDE_INT.
8872 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8874 (really_start_incremental_init): No need to call convert because
8875 bitsize_zero_node is already of type bitsizetype.
8876 (push_init_level): Extract the value of constructor_index as an
8877 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8878 (process_init_element): Likewise.
8880 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8882 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8883 value before passing to make_relative_prefix.
8885 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8888 * builtins.c (expand_builtin_memset): Expand val in original mode.
8890 2006-04-27 Eric Christopher <echristo@apple.com>
8892 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8893 with #ifndef/#endif.
8894 * config/darwin-c.c (darwin_ms_struct): New.
8895 (darwin_pragma_ms_struct): Ditto.
8896 (darwin_set_default_type_attributes): Ditto.
8897 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8898 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8899 Register ms_struct pragma.
8900 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8901 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8902 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8903 darwin_set_default_type_attributes if TARGET_MACHO.
8905 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8907 PR tree-optimization/26854
8908 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8909 * doc/tree-ssa.texi: Update immuse iterator documentation.
8910 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8911 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8912 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8913 first_safe_imm_use, next_safe_imm_use): Remove.
8914 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8915 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8916 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8917 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8918 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8919 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8920 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8921 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8922 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8923 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8924 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8925 (perfect_nestify): Use new iterator.
8926 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8928 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8929 (next_imm_name): New field in struct immediate_use_iterator_d.
8930 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8931 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8932 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8933 * tree-cfg.c (replace_uses_by): Use new iterator.
8934 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8935 * tree-ssa-operands.c (correct_use_link): Remove.
8936 (finalize_ssa_use_ops): No longer call correct_use_link.
8938 2006-04-27 Stuart Hastings <stuart@apple.com>
8940 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8941 * config/t-darwin (crt3.o): Use it.
8942 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8943 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8944 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8945 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8946 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8949 2006-04-27 Roger Sayle <roger@eyesopen.com>
8951 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8952 size, force the intermediate into a new pseudo rather instead of
8953 performing both a bitwise AND and a bitwise IOR in memory.
8955 2006-04-27 Richard Guenther <rguenther@suse.de>
8957 PR rtl-optimization/26685
8958 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8959 this one "max-flow-memory-locations".
8961 2006-04-27 Richard Guenther <rguenther@suse.de>
8963 PR tree-optimization/25148
8964 * tree-vrp.c (compare_values): Remove code dealing with
8965 comparisons against type min/max value. Honour overflow
8966 and negative constants in code dealing with comparisons
8967 of plus and minus expressions.
8968 (value_inside_range): Use fold_binary with LE_EXPR and
8969 GE_EXPR rather than compare_values.
8971 2006-04-27 Dirk Mueller <dmueller@suse.de>
8973 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8976 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8978 * basic-block.h (safe_insert_insn_on_edge): Removed.
8979 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8981 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8982 Paolo Bonzini <bonzini@gnu.org>
8985 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8986 (simplify_and_const_int): Same.
8988 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8990 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8992 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8995 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8996 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8997 cgraph_global_info_ready.
9000 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9003 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9004 either decl or init is error_mark_node.
9007 * tree-flow.h (struct omp_region): Add sched_kind.
9008 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9009 instead of extracting omp for data.
9010 (expand_omp_for): Save extracted sched_kind.
9012 2006-04-25 Roger Sayle <roger@eyesopen.com>
9014 * expmed.c (store_bit_field): Also check whether the bitsize is
9015 valid for the machine's "insv" instruction before moving the
9016 target into a pseudo for use with the insv.
9017 * config/i386/predicates.md (const8_operand): New predicate.
9018 * config/i386/i386.md (extv, extzv, insv): Use the new
9019 const8_operand predicate where appropriate.
9021 2006-04-25 DJ Delorie <dj@redhat.com>
9023 * doc/install.texi (Specific): Clarify that this is not a list of
9024 supported hosts or targets.
9026 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9028 PR rtl-optimization/26725
9029 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9030 block's BB_DIRTY flag.
9032 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9034 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9037 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9038 to print an integer.
9040 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9042 * varasm.c (align_variable): New function.
9043 (get_block_for_decl): Apply align_variable to DECL before
9044 calculating section information.
9045 (assemble_variable): Split out alignment computation.
9047 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9049 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9052 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9054 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9055 MODE_PARTIAL_INT mode.
9056 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9057 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9059 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9060 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9062 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9064 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9066 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9067 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9068 MACFLAG_IH): Likewise.
9069 (movstricthi_1): Renamed from "*movstricthi".
9070 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9071 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9072 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9073 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9074 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9075 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9076 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9077 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9078 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9079 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9080 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9081 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9082 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9083 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9084 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9086 * doc/rtl.texi (ss_ashift): Improve wording.
9088 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9090 * dwarf2out.c (verify_marks_clear): New.
9091 (prune_unused_types): Call verify_marks_clear initially, not
9094 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9096 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9097 * doc/rtl.texi: Document them.
9098 * simplify-rtx.c (simplify_unary_operation,
9099 simplify_binary_operation_1): Don't abort when we see them.
9101 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9104 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9105 * configure.ac: Completely disregard languages that are not
9107 * configure: Regenerated.
9109 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9110 Richard Guenther <rguenther@suse.de>
9112 PR tree-optimization/27236
9113 * tree-inline.c (copy_body_r): Make sure to copy
9114 TREE_THIS_VOLATILE flag.
9116 2006-04-24 Richard Guenther <rguenther@suse.de>
9119 * tree-complex.c (update_parameter_components): Don't handle
9120 unused parameters which have no default def.
9122 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9123 Richard Guenther <rguenther@suse.de>
9125 PR tree-optimization/27218
9126 * tree-inline.c (expand_call_inline): Strip useless type
9127 conversions for the return slot address.
9129 2006-04-24 Richard Guenther <rguenther@suse.de>
9131 * cfgloop.h (struct loops): Remove unused field array. Reorder
9133 (LOOP_PREFETCH): Remove.
9135 2006-04-24 Richard Guenther <rguenther@suse.de>
9137 PR tree-optimization/22525
9138 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9139 variable, adjust types of generated expressions.
9141 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9143 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9144 (tree-vect-patterns.o): Likewise.
9146 (cselib.o): Likewise.
9147 (loop-doloop.o): Likewise.
9148 (regclass.o): Likewise.
9149 (reload1.o): Likewise.
9150 (explow.o): Replace target.h with $(TARGET_H).
9151 (ipa-prop.o): Likewise.
9152 (ipa-cp.o): Likewise.
9153 (ipa-inline.o): Likewise.
9154 (reorg.o): Likewise.
9155 (reg-stack.o): Likewise.
9157 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9159 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9161 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9163 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9165 * configure.ac: Completely disregard languages that are not
9167 * configure: Regenerated.
9170 * c-common.h (c_build_bitfield_integer_type): Declare.
9171 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9172 * c-common.c (c_build_bitfield_integer_type): ... here.
9174 2006-04-23 Roger Sayle <roger@eyesopen.com>
9177 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9178 a SImode SUBREG of a floating point register after no_new_pseudos.
9180 2006-04-23 Roger Sayle <roger@eyesopen.com>
9182 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9183 identify potentially eliminable registers to additionally catch
9184 VIRTUAL_INCOMING_ARGS_REGNUM.
9185 (addsi3): Update the conditions on when to use addsi_small_int.
9187 2006-04-23 Roger Sayle <roger@eyesopen.com>
9190 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9191 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9192 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9194 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9196 * fold-const.c (range_predecessor): Use operand_equal_p
9197 as the predicate for equality.
9198 (range_successor): Likewise.
9200 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9203 * config/soft-fp/op-common.h: Fix a typo.
9205 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9208 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9209 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9211 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9213 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9215 * doc/tm.texi: Fix a typo.
9217 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9219 * dwarf2out.c (struct die_struct): Document that die_sib makes
9220 a circular linked list.
9221 (FOR_EACH_CHILD): New.
9222 (reverse_die_lists): Delete.
9223 (reverse_all_dies): Delete.
9224 (add_dwarf_attr): Correct documentation.
9225 (remove_child_with_prev): New.
9226 (remove_child_TAG): Update for change to die_struct, use
9227 remove_child_with_prev.
9228 (add_child_die): Update for change to die_struct.
9229 (splice_child_die): Use remove_child_with_prev and add_child_die.
9230 (print_die): Use FOR_EACH_CHILD.
9231 (die_checksum): Likewise.
9232 (assign_symbol_names): Likewise.
9233 (output_location_lists): Likewise.
9234 (build_abbrev_table): Likewise.
9235 (calc_die_sizes): Likewise.
9236 (mark_dies): Likewise.
9237 (unmark_dies): Likewise.
9238 (unmark_all_dies): Likewise.
9239 (output_die): Likewise.
9240 (prune_unused_types_mark): Likewise.
9241 (prune_unused_types_walk): Likewise.
9242 (same_die_p): Update for change to die_struct.
9243 (break_out_includes): Likewise.
9244 (prune_unused_types_prune): Likewise.
9245 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9246 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9248 (dwarf2out_finish): Don't call reverse_all_dies.
9250 2006-04-21 Eric Christopher <echristo@apple.com>
9252 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9253 in comments and function names.
9255 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9258 * c-typeck.c (digest_init): Robustify.
9260 * c-typeck.c (pop_init_level): Simplify.
9262 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9264 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9266 2006-04-21 Paul Brook <paul@codesourcery.com>
9268 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9269 hardware floating point.
9271 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9273 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9276 2006-04-21 Nick Clifton <nickc@redhat.com>
9278 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9281 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9284 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9285 C++ lang type in traceback table for Objective-C++.
9287 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9289 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9291 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9293 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9296 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9297 were errors. Remove check for erroneous objects.
9299 2006-04-20 Jeff Law <law@redhat.com>
9301 PR tree-optimization/26854
9302 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9303 checking for zero or one use.
9304 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9305 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9306 * tree-ssa-reassoc.c (negate_value): Similarly.
9307 (reassociate_bb): Similarly.
9309 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9311 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9312 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9313 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9315 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9317 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9318 fp regs if the last fp arg doesn't fit in regs.
9320 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9323 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9324 that the last insn has the REG_INC note.
9326 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9327 Nathan Sidwell <nathan@codesourcery.com>
9330 * stor-layout.c (update_alignment_for_field): Do not align
9332 (place_union_field): Place union field at the start of the union.
9333 (place_field): Move ERROR_MARK check later, and use the current
9334 allocation position to maintain monotonicity.
9336 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9338 * dominance.c: Include timevar.h.
9339 (calculate_dominance_info): Use TV_DOMINANCE.
9340 * timevar.def (TV_DOMINANCE): New timevar.
9341 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9343 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9345 PR rtl-optimization/14261
9346 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9347 move would be an INSV insn.
9348 (noce_process_if_block): Don't optimize if the destination is a
9349 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9351 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9353 * config/s390/s390.md: Add comments with the instructions emitted
9354 by an insn pattern if macros are used.
9356 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9358 PR rtl-optimization/26026
9359 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9360 is a known power of two shifted left a variable amount.
9362 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9364 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9365 to hash table twice when the debug_str section has SECTION_MERGE.
9367 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9369 * config/soft-fp: New directory. From glibc.
9370 * config/soft-fp/t-softfp: New.
9371 * config/soft-fp/README: New.
9372 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9373 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9374 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9375 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9376 * config.gcc: Use rs6000/t-fprules-fpbit or
9377 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9379 * config/rs6000/sfp-machine.h: New. Based on glibc.
9380 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9382 * config/rs6000/t-fprules: Remove fp-bit rules.
9383 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9384 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9385 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9386 (softfp_wrap_start, softfp_wrap_end): New.
9388 2006-04-18 DJ Delorie <dj@redhat.com>
9390 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9392 2006-04-18 Devang Patel <dpatel@apple.com>
9394 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9396 2006-04-18 Nick Clifton <nickc@redhat.com>
9398 * config/sh/t-symbian: Add rule to build sh-c.o
9399 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9400 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9401 (sh_symbian_encode_section_info): Likewise.
9403 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9405 * builtins.c (expand_builtin_strcmp): Cover label definition of
9406 do_libcall with HAVE_cmpstrnsi.
9408 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9410 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9412 * function.h (temp_slot_p): New.
9413 (function): Change the type of x_used_temp_slots to
9414 VEC(temp_slot_p,gc) *.
9416 2006-04-18 Nick Clifton <nickc@redhat.com>
9418 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9419 flag_strength_reduce.
9421 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9423 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9427 Partial revert of revision 112637
9428 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9429 Dale Johannesen <dalej@apple.com>
9432 * regclass.c (struct reg_pref): Update documentation.
9433 (regclass): Set prefclass to NO_REGS if memory is the best option.
9434 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9436 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9438 PR tree-optimization/26821
9439 * tree-ssa-math-opts.c (get_constant_one): New.
9440 (insert_reciprocals): Use it.
9442 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9444 * dwarf2out.c (free_AT): Delete.
9445 (remove_AT): Update string ref counts.
9446 (remove_child_TAG): Don't call free_die.
9448 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9449 or DW_TAG_GNU_EINCL.
9450 (prune_unused_types_walk_attribs): Reset string refcounts.
9451 (prune_unused_types_update_strings): New.
9452 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9453 call free_die. Do call prune_unused_types_update_strings.
9454 (prune_unused_types): Empty debug_str_hash.
9456 2006-04-17 Roger Sayle <roger@eyesopen.com>
9458 * expr.c (expand_assignment): Optimize away no-op moves where the
9459 source and destination are equal and have no side-effects.
9461 2006-04-17 Richard Guenther <rguenther@suse.de>
9464 * reload.c (push_reload): Guard calls to get_secondary_mem
9467 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9469 * alias.c (reg_base_value, old_reg_base_value): Change the
9470 type to VEC(rtx,gc) *.
9471 (REG_BASE_VALUE, find_base_value, record_set,
9472 init_alias_analysis): Use VEC instead of VARRAY.
9474 * alias.c (alias_sets): Change the type to
9475 VEC(alias_set_entry,gc) *.
9476 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9477 VEC instead of VARRAY.
9478 (last_alias_set): Remove.
9480 * cgraph.h (cgraph_edge_p): New.
9481 Update the prototype of cgraph_function_versioning.
9482 * cgraphunit.c (cgraph_copy_node_for_versioning,
9483 cgraph_function_versioning): Use VEC instead of VARRAY.
9484 * ipa-cp.c (ipcp_insert_stage): Likewise.
9486 2006-04-16 Roger Sayle <roger@eyesopen.com>
9489 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9490 "A op B" or "A op C", we may need to convert A to the type of B and C.
9492 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9494 * target.h (struct gcc_target): Add mode_rep_extended.
9495 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9496 (init_num_sign_bit_copies_in_rep): Initialize it using
9498 (truncate_to_mode): Use it.
9499 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9500 * targhooks.h (default_mode_rep_extended): Declare it.
9501 * targhooks.c (default_mode_rep_extended): Define it.
9502 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9503 default_mode_rep_extended.
9504 (TARGET_INITIALIZER): Include it.
9505 * doc/tm.texi (Misc): Document it.
9506 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9507 (mips_truncated_to_mode): New function.
9509 2006-04-16 Roger Sayle <roger@eyesopen.com>
9512 * expr.c (compress_float_constant): Copy the narrow constant into
9513 a new pseudo before extending it to its final width.
9515 2006-04-16 Roger Sayle <roger@eyesopen.com>
9516 Andrew Pinski <pinskia@gcc.gnu.org>
9517 Dale Johannesen <dalej@apple.com>
9520 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9521 special case code to implement V8HImode and V16QImode with SSE2.
9523 2006-04-15 Roger Sayle <roger@eyesopen.com>
9525 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9526 trees are constructed with a suitable tree type.
9528 2006-04-15 Roger Sayle <roger@eyesopen.com>
9530 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9531 (integer_onep): Likewise.
9532 (integer_all_onesp): Likewise.
9533 (integer_pow2p): Likewise.
9534 (integer_nonzerop): Likewise.
9535 (real_zerop): Likewise.
9536 (real_onep): Likewise.
9537 (real_twop): Likewise.
9538 (real_minus_onep): Likewise.
9539 (int_size_in_bytes): Likewise.
9540 (host_integerp): Likewise.
9542 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9544 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9545 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9546 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9548 * tree-ssa-structalias.h (alias_info): Remove num_references.
9550 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9552 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9553 (output_bvb patterns): Likewise.
9554 * pa.c (output_bb): Use 'bb' insn for long branch case.
9555 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9556 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9557 1. Correct length operand for alternatives 1 and 2.
9558 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9559 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9561 2006-04-14 Roger Sayle <roger@eyesopen.com>
9563 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9564 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9565 were accidentally reverted by r112959.
9567 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9570 * except.h (eh_region_outermost): New prototype.
9571 * except.c (eh_region_outermost): New function.
9572 * tree-cfg.c (find_outermost_region_in_block): Use it.
9574 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9576 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9578 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9579 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9580 (init_reload, reload): Use VEC instead of VARRAY.
9581 * reload.h: Update the prototype for
9582 reg_equiv_memory_loc_varray.
9584 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9585 Eric Botcazou <ebotcazou@libertysurf.fr>
9587 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9590 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9593 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9594 to expand fallback builtin function call.
9596 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9599 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9600 and emit libcall here in case the builtin fails.
9601 (expand_builtin_strcmp): Always emit the libcall here on failure.
9603 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9605 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9606 * flow.c (reg_n_info): Change the type to
9607 VEC(reg_info_p,heap) *.
9608 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9610 * regs.h (reg_info_p): New.
9611 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9612 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9613 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9616 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9618 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9620 * params.h (MAX_SCHED_READY_INSNS): New macro.
9621 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9622 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9623 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9624 the ready list for 1 cycle during the first scheduling pass.
9625 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9627 2006-04-13 Richard Henderson <rth@redhat.com>
9630 * gimple-low.c (lower_omp_directive): Remove dead code.
9631 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9632 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9633 * omp-low.c (struct omp_region): Move to tree-flow.h.
9634 (root_omp_region): Export.
9635 (omp_regions, lookup_omp_region): Remove.
9636 (determine_parallel_type): Update for struct omp_region changes.
9637 (dump_omp_region): Dump regions with block numbers.
9638 (new_omp_region): Take type and block instead of stmt; malloc
9640 (free_omp_region_1, free_omp_regions): New.
9641 (expand_parallel_call): Take entry_stmt as argument; update for
9642 changes to omp_region.
9643 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9644 (remove_exit_barriers): New.
9645 (expand_omp_parallel): Update for struct omp_region changes.
9646 (expand_omp_synch): Likewise.
9647 (expand_omp): Likewise.
9648 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9649 (expand_omp_for_static_chunk): Likewise.
9650 (expand_omp_for): Likewise.
9651 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9652 (expand_omp_sections): Similarly, with GOMP_sections_end.
9653 (expand_omp_single): New.
9654 (build_omp_regions_1): Update for OMP_CONTINUE.
9655 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9656 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9657 OMP_SECTIONS_SECTIONS.
9658 (lower_omp_single_simple): Don't emit barrier here.
9659 (lower_omp_single_copy): Likewise.
9660 (lower_omp_single): Fix bindings, and lower to straightline now.
9661 (lower_omp_master, lower_omp_ordered): Likewise.
9662 (lower_omp_critical): Likewise.
9663 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9664 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9665 omp edges, free it afterward.
9666 (make_omp_sections_edges): Remove.
9667 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9668 (move_stmt_r): Handle OMP_CONTINUE.
9669 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9670 statement pointers to basic blocks. Add type member.
9671 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9672 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9673 * tree-inline.c (estimate_num_insns_1): Likewise.
9674 * tree-pretty-print.c (dump_generic_node): Likewise.
9675 * tree-ssa-operands.c (get_expr_operands): Likewise.
9676 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9677 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9678 (OMP_CONTINUE): New.
9679 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9680 (OMP_SECTIONS_SECTIONS): Remove.
9681 (OMP_SECTION_LAST): New.
9682 (OMP_RETURN_NOWAIT): New.
9684 2006-04-13 Roger Sayle <roger@eyesopen.com>
9686 * fold-const.c (native_encode_vector, native_interpret_real):
9687 Correct obvious mistakes in the previous check-in.
9689 2006-04-13 Roger Sayle <roger@eyesopen.com>
9691 * fold-const.c (native_encode_expr): New function to encode
9692 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9693 or VECTOR_CST into a specified buffer.
9694 (native_encode_int): New function.
9695 (native_encode_real): New function.
9696 (native_encode_complex): New function.
9697 (native_encode_vector): New function.
9698 (native_interpret_expr): Inverse of native_encode_expr to convert
9699 a target representation into an INTEGER_CST, REAL_CST etc...
9700 (native_interpret_int): New function.
9701 (native_interpret_real): New function.
9702 (native_interpret_complex): New function.
9703 (native_interpret_vector): New function.
9704 (fold_view_convert_expr): New function to constant fold/evaluate
9705 a VIEW_CONVERT_EXPR of a suitable constant expression.
9706 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9707 Change call of build1 to fold_build1 when constructing a
9710 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9711 Ulrich Weigand <uweigand@de.ibm.com>
9714 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9717 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9720 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9721 optimize to lo_sum for DFmode if !TARGET_FPRS.
9723 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9725 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9726 delete_alias_info, compute_flow_sensitive_aliasing,
9727 group_aliases): Use VEC instead of VARRAY.
9728 * tree-ssa-structalias.c (update_alias_info): Likewise.
9729 * tree-ssa-structalias.h (alias_info): Change the type of
9730 processed_ptrs to VEC(tree,heap) *.
9732 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9735 * config/sh/lib1funcs.h: New file, broken out of:
9736 * config/sh/lib1funcs.asm.
9737 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9739 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9740 * config/sh/lib1funcs-Os-4-200.asm: New file.
9741 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9742 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9743 (EXTRA_MULTILIB_PARTS): Include it.
9744 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9745 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9746 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9747 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9750 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9752 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9753 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9754 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9756 * tree-ssa-live.h: Include vecprim.h.
9757 (tree_partition_associator_d): Change the type of
9758 first_partition to VEC(int,heap) *.
9759 (tpa_first_partition): Use VEC instead of VARRAY.
9761 * Makefile.in (GTFILES): Move functions.h after tree.h.
9762 * function.c (reset_block_changes, record_block_change,
9763 check_block_change, free_block_changes): Use VEC instead of
9765 * function.h (function): Change the type of
9766 ib_boundaries_block to VEC(tree,gc) *.
9767 * tree-inline.c (copy_cfg_body): Initialize
9768 ib_boundaries_block to NULL instead of (varray_type) 0.
9770 2006-04-12 Roger Sayle <roger@eyesopen.com>
9772 * expr.c (emit_group_store): Correct operand order in call to
9773 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9774 a SUBREG_BYTE of zero.
9776 2006-04-12 Richard Guenther <rguenther@suse.de>
9778 * profile.c (compute_branch_probabilities): Remove code
9779 encapsulated in !ir_type (), which are remanents of the
9780 removed RTL profiling code.
9781 * rtl-profile.c: Remove.
9783 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9785 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9786 magic NULL_RTX comment.
9787 (function_arg): Store entire fp arg to mem if any part should go
9789 (rs6000_arg_partial_bytes): Adjust for above change.
9791 2006-04-11 Roger Sayle <roger@eyesopen.com>
9793 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9794 if it hasn't been initialized by dwarf2out_init.
9796 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9798 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9799 symbolic constants in branch patterns.
9801 2006-04-11 Roger Sayle <roger@eyesopen.com>
9803 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9805 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9807 PR rtl-optimization/27073
9808 * gcse.c (try_replace_reg): Revert last change. Continue to search
9809 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9812 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9814 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9815 aggregate types other than record and union types.
9816 (function_arg): Likewise.
9817 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9819 (function_value): In 64-bit mode, return objects that require it
9822 2006-04-11 Roger Sayle <roger@eyesopen.com>
9824 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9826 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9828 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9830 2006-04-03 Jeff Law <law@redhat.com>
9833 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9834 alias information too.
9836 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9838 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9840 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9843 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9844 (premark_used_types_helper): New.
9845 (premark_used_types): New.
9846 (gen_subprogram_die): Call premark_used_types.
9847 (prune_unused_types_walk): Do not prune perennial dies.
9848 * function.c (used_types_insert): New.
9849 * function.h (struct function): Add used_types_hash field.
9850 (used_types_insert): Add prototype.
9851 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9852 * c-parser.c (c_parser_cast_expression): Save casted types in used
9855 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9858 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9859 rs6000_explicit_options.float_gprs.
9861 2006-04-10 Roger Sayle <roger@eyesopen.com>
9863 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9864 from ix86_expand_vector_init_low_nonzero. Take an additional
9865 one_var argument indicating which element is non-zero. Support
9866 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9867 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9868 with one_var instead of ix86_expand_vector_init_low_nonzero.
9870 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9872 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9873 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9874 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9875 build/genextract.o): Depend on vecprim.h.
9876 * cfglayout.c, df-problems.c, function.c, genextract.c,
9877 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9878 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9882 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9884 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9885 Declare VECs of this type.
9886 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9887 (remove_children): Delete.
9888 (add_dwarf_attr): Use VEC routines.
9889 (add_AT_flag): Update for changes to add_dwarf_attr.
9890 (add_AT_int): Likewise.
9891 (add_AT_unsigned): Likewise.
9892 (add_AT_long_long): Likewise.
9893 (add_AT_vec): Likewise.
9894 (add_AT_string): Likewise.
9895 (add_AT_die_ref): Likewise.
9896 (add_AT_fde_ref): Likewise.
9897 (add_AT_loc): Likewise.
9898 (add_AT_loc_list): Likewise.
9899 (add_AT_addr): Likewise.
9900 (add_AT_lbl_id): Likewise.
9901 (add_AT_lineptr): Likewise.
9902 (add_AT_macptr): Likewise.
9903 (add_AT_offset): Likewise.
9904 (add_AT_range_list): Likewise.
9905 (get_AT): Use VEC_iterate.
9906 (remove_AT): Use VEC_ordered_remove.
9907 (free_die): Fold remove_children into here; have it use VEC_iterate.
9908 (print_die): Use VEC_iterate on attrs.
9909 (reverse_die_lists): Don't reverse attr lists.
9910 (die_checksum): Use VEC_iterate on attrs.
9911 (same_die_p): Likewise.
9912 (output_location_lists): Likewise.
9913 (build_abbrev_table): Likewise.
9914 (size_of_die): Likewise.
9915 (unmark_all_dies): Likewise.
9916 (output_abbrev_section): Likewise.
9917 (output_die): Likewise.
9918 (prune_unused_types_walk_attribs): Likewise.
9920 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9922 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9924 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9927 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9929 2006-04-09 Roger Sayle <roger@eyesopen.com>
9931 * expr.c (store_constructor): Don't bother clearing target if
9932 we're about to assign a vector to it using vec_init_optab.
9934 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9936 * tree-ssa-alias.c (lhs_may_store_to): New function.
9937 (recalculate_used_alone): Handle LHS of calls.
9939 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9943 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9944 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9945 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9946 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9947 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9948 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9949 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9950 stubs. Add ".align 8" directives before all ".dword" directives.
9951 (GTHREAD_USE_WEAK): Revise comment.
9952 (TARGET_ATTRIBUTE_WEAK): Define.
9953 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9954 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9955 * stublib.c: New file.
9960 * pa.md (cbranch patterns): Revise arguments used in calls to
9961 output_cbranch, output_bb and output_bvd. Add long branch length
9963 (fbranch patterns): Handle long branches.
9964 (jump): Revise length check. Revise arguments for output_lbranch call.
9965 Add long branch length attributes.
9966 (decrement_and_branch_until_zero): Add long branch length attributes.
9967 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9968 Likewise. Revise arguments for output_parallel_addb and
9969 output_parallel_movb calls.
9970 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9971 output_parallel_movb and output_parallel_addb): Update prototypes.
9972 * pa.c (output_cbranch): Revise arguments. Correct handling of
9973 nullification in long branches.
9974 (output_lbranch): Add new argument to control extraction of delay
9976 (output_bb): Handle long branches.
9977 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9978 output_parallel_addb): Likewise.
9980 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9982 PR rtl-optimization/27073
9983 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9986 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9988 * tree.h (tree_memory_tag): Add old_used_alone.
9989 (SMT_OLD_USED_ALONE): New macro.
9990 * tree-ssa-alias.c (recalculate_used_alone): Stop
9991 marking things for renaming unnecessarily.
9993 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9995 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9996 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9997 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9998 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9999 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10000 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10001 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10002 spelling convensions.
10003 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10004 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10005 typos. Follow spelling conventions.
10007 2006-04-07 DJ Delorie <dj@redhat.com>
10009 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10010 passed on the stack.
10011 (m32c_init_cumulative_args): When a function returns a structure,
10012 always pass the pointer to that return area on the stack.
10013 (m32c_function_arg_advance): Don't increment the parameter number
10014 if we're processing the returned structure pointer.
10015 (pushm_info): Reverse order of registers.
10017 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10019 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10020 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10021 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10022 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10023 build_int_cst_type.
10024 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10025 chrec_fold_multiply): Same.
10026 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10027 force_expr_to_var_cost): Same.
10028 * tree-mudflap.c (mf_xform_derefs_1): Same.
10029 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10031 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10033 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10034 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10037 2006-04-07 Jan Hubicka <jh@suse.cz>
10039 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10041 2006-04-07 Richard Guenther <rguenther@suse.de>
10043 PR tree-optimization/26135
10044 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10045 loads for store copy-prop.
10046 (copy_prop_visit_stmt): Likewise.
10048 2006-04-05 Robert Millan <robertmh@gnu.org>
10050 * config/i386/linux.h: Add a comment to mark macros that are
10051 being overriden in config/k*bsd-gnu.h.
10052 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10054 * config/knetbsd-gnu.h: Ditto.
10056 2006-04-06 Jan Hubicka <jh@suse.cz>
10060 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10063 2006-04-06 Mike Stump <mrs@apple.com>
10065 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10066 for HAVE_nonlocal_goto to be consistent.
10067 (expand_builtin_nonlocal_goto): Likewise.
10068 (expand_builtin_strcmp): Use #ifdef instead of #if
10069 for HAVE_cmpstrnsi to be consistent.
10071 2006-04-05 DJ Delorie <dj@redhat.com>
10073 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10076 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10078 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10079 got-relative addressing for anything but SImode.
10081 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10082 even if the calling function doesn't modify them.
10084 2006-04-05 Richard Guenther <rguenther@suse.de>
10086 PR tree-optimization/26919
10087 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10088 to cgraph_estimate_size_after_inlining.
10090 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10092 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10094 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10096 PR tree-optimization/26996
10097 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10098 VECTOR_TYPE variables.
10100 2006-04-05 Richard Guenther <rguenther@suse.de>
10102 PR tree-optimization/26763
10103 * fold-const.c (fold_comparison): Move folding of
10104 PTR + CST CMP PTR + CST ...
10105 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10107 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10109 * doc/install.texi (Prerequisites): Refine some wording on
10110 bootstrapping and ksh.
10111 Move the version numbers of DejaGnu here from the testing section
10112 and fix casing of names.
10113 Fix markup and clarify wording for autogen requirements.
10114 Refer to GCJ instead of just java.
10115 Refer to SVN instead of CVS.
10116 Describe diffutils as useful instead of necessary.
10117 (Downloading the source): Refer to SVN instead of CVS.
10118 Adjust a link to our web site accordingly.
10119 (Configuration): Fix casing of Bison.
10120 (Building): Refer to SVN instead of CVS.
10121 Fix a sentence on the use of Bison and remove duplicate (and
10122 incorrect) version number of Bison requirement.
10123 Remove one redundant list of packages needed for building.
10124 (Specific): Avoid reference to CVS.
10126 2006-04-04 Eric Christopher <echristo@apple.com>
10128 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10129 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10130 (rs6000_handle_struct_attribute): New.
10131 (rs6000_ms_bitfield_layout_p): Ditto.
10133 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10135 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10136 NULL for dso parameter to atexit_common.
10138 2006-04-04 Eric Christopher <echristo@apple.com>
10140 * config/i386/i386.c (machopic_output_stub): Output \t
10141 between instructions and operands.
10143 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10145 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10146 satisfies_constraint_[IL] to explicit tests on value.
10148 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10150 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10151 set_nb_iterations_in_loop): Use build_int_cst instead of
10152 build_int_cst_type.
10153 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10154 build_int_cst instead of convert.
10156 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10158 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10159 new value 2 for incoming.
10160 * function.c (expand_function_start): Call struct_value_rtx
10161 with incoming as 2.
10162 * config/sparc/sparc.md: Comment updated_return.
10163 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10164 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10165 struct return if sparc_std_struct_return and incoming is 2.
10166 (print_operand): Do not adjust return if
10167 sparc_std_struct_return.
10169 2006-04-04 Roger Sayle <roger@eyesopen.com>
10171 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10172 convert in the middle-end.
10173 * expr.c (store_expr, store_constructor, get_inner_reference,
10174 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10176 * tree.c (build_range_type): Likewise.
10178 2006-04-04 Tom Tromey <tromey@redhat.com>
10180 * doc/install.texi (Prerequisites): Mention jar.
10182 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10184 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10187 2006-04-04 Matthias Klose <doko@debian.org>
10189 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10193 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10196 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10198 * doc/extend.texi (Function Attributes): Rewrite visibility
10199 attribute documentation.
10200 * doc/invoke.texi (C++ Dialect Options): Rewrite
10201 -fvisibility-inlines-hidden documentation to describe something
10202 entirely different, although in practise compatible.
10203 (Code Gen Options): Warn about system headers in -fvisibility=
10206 * doc/extend.texi (Other Builtins): Document that
10207 __builtin_nan is a compile-time constant only when its argument
10210 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10212 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10213 trying to remove TRUNCATE check if all bits outside the new mode
10214 are identical to the sign bit.
10216 2006-04-03 Jeff Law <law@redhat.com>
10218 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10219 and operand scanning in some common cases.
10221 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10222 Dale Johannesen <dalej@apple.com>
10225 * regclass.c (struct reg_pref): Update documentation.
10226 (regclass): Set prefclass to NO_REGS if memory is the best option.
10227 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10228 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10229 into account. For non-registers, equate an empty preferred
10230 reload class to a `!' in the constraint; move the if clause to
10231 do so after those that reject the insn.
10232 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10234 (find_dummy_reload): Likewise.
10235 * doc/tm.texi (Register Classes): Document what it means
10236 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10237 * config/i386/i386.c (ix86_preferred_reload_class): Force
10238 using SSE registers (and return NO_REGS for floating-point
10239 constants) if math is done with SSE.
10240 (ix86_preferred_output_reload_class): New.
10241 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10242 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10243 * config/i386/i386.md: Remove # register preferences.
10245 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10248 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10249 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10250 the type of nb_iter.
10251 (instantiate_parameters_1): Convert the operands before calling
10252 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10253 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10255 2006-04-02 Roger Sayle <roger@eyesopen.com>
10257 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10258 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10259 instead of convert.
10260 * dojump.c (do_jump): Likewise.
10261 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10262 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10263 gimplify_boolean_expr): Likewise.
10264 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10265 * varasm.c (array_size_for_constructor): Likewise.
10266 * tree-object-size.c (compute_object_offset): Likewise.
10268 2006-04-02 Roger Sayle <roger@eyesopen.com>
10270 PR middle-end/26977
10271 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10272 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10274 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10276 PR tree-optimization/26939
10277 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10279 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10281 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10282 at_stmt. Convert the type of operands before calling
10283 build_polynomial_chrec.
10284 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10285 add_to_evolution_1.
10286 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10287 (instantiate_parameters_1): Convert the type of operands before calling
10288 build_polynomial_chrec.
10289 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10290 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10291 reset_evolution_in_loop): Insert asserts to check the types of the
10293 (chrec_type): Moved...
10294 (eq_evolutions_p): Use operand_equal_p.
10295 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10296 the types of the operands.
10297 (chrec_type): ...here.
10298 * tree-data-ref.c (create_data_ref): Convert the operands before
10299 calling chrec_replace_initial_condition.
10300 (same_access_functions, analyze_subscript_affine_affine,
10301 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10302 (compute_subscript_distance, analyze_ziv_subscript,
10303 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10304 analyze_miv_subscript): Convert the operands before calling
10305 chrec_fold_minus or chrec_fold_plus.
10307 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10309 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10310 the dependence_relations vector.
10311 (compute_data_dependences_for_loop): Adjust call to
10312 compute_all_dependences.
10314 2006-04-01 Roger Sayle <roger@eyesopen.com>
10315 Richard Henderson <rth@redhat.com>
10317 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10318 gimple_boolify on the condition before calling gimplify_expr.
10320 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10322 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10323 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10324 the frame size. Update to use the new macros.
10325 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10326 * config/xtensa/ieee754-df.S: Likewise.
10328 2006-03-31 Richard Henderson <rth@redhat.com>
10330 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10331 (make_edges): ... here. Control fallthru creation with a local
10332 variable. Do not play with fake edges.
10333 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10334 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10337 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10339 * dwarf2.h (DW64_CIE_ID): Define.
10340 * dwarf2out.c (DWARF_CIE_ID): Define.
10341 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10342 length header. Use DWARF_CIE_ID.
10343 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10344 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10346 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10348 * config/sh/linux-atomic.asm: New file.
10349 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10351 2006-03-31 DJ Delorie <dj@redhat.com>
10353 * config/m32c/cond.md: Set condition flags properly throughout.
10354 * config/m32c/minmax.md: Likewise.
10355 * config/m32c/prologue.md: Likewise.
10356 * config/m32c/bitops.md: Likewise.
10357 * config/m32c/muldiv.md: Likewise.
10358 * config/m32c/mov.md: Likewise.
10359 * config/m32c/addsub.md: Likewise.
10360 * config/m32c/m32c.md: Likewise.
10361 * config/m32c/jump.md: Likewise.
10362 * config/m32c/shift.md: Likewise.
10364 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10365 conditionally output the pattern for this.
10366 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10367 (m32c_compare_redundant): New.
10368 (m32c_output_compare): New.
10369 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10371 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10372 dest, not src. Allow other 4-byte modes.
10374 2006-03-30 Denis Chertykov <denisc@overta.ru>
10376 * doc/md.texi: Refer to avr/constraints.md instead of
10379 2006-03-30 Roger Sayle <roger@eyesopen.com>
10381 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10382 signed vs. unsigned comparison failures on some hosts.
10384 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10387 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10388 change to FLOAT_REGS.
10390 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10391 (rs6000_override_options): Use it.
10392 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10393 only for -mabi=spe/no-spe and -mabi=altivec.
10395 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10397 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10400 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10402 * Makefile.in: Rename docdir to gcc_docdir.
10404 2006-03-30 Roger Sayle <roger@eyesopen.com>
10407 * expr.c (emit_group_store): Optimize group stores into a pseudo
10408 register by using a paradoxical subreg to initialize the destination
10409 if the first or last member of the group specifies a "low part".
10411 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10414 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10415 * target.h (struct gcc_target.speculate_insn): Change type of the
10416 second parameter to 'int'.
10417 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10418 the second operand of the DEPS_LIST.
10419 (copy_DEPS_LIST_list): Update reference to the second operand of the
10421 * rtl.h (alloc_DEPS_LIST): Update signature.
10422 * sched-int.h (ds_t): Change typedef to 'int'.
10423 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10425 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10427 * haifa-sched.c (try_ready): Change condition to restore
10428 non-speculative pattern of the instruction.
10429 (process_insn_depend_be_in_spec): Code to keep probability of the
10430 speculative dependence non-decreasing.
10432 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10434 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10435 (single_move_for_movmem): ... this. Also change all uses.
10436 (bfin_expand_strmov): Renamed to...
10437 (bfin_expand_movmem): ... this. Also change all uses.
10438 * config/bfin/bfin.md (movstrsi): Renamed to...
10439 (movstrsi): ...this.
10441 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10443 PR tree-optimization/26830
10445 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10446 (copy_prop_visit_stmt): Remove write-only variable ann.
10447 (init_copy_prop): Check variable loop depth here. Do not simulate
10448 memory-tag and virtual operand PHIs except for store copy prop.
10450 2006-03-30 Richard Guenther <rguenther@suse.de>
10452 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10453 variants with double arguments.
10455 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10457 * genpreds.c (write_tm_constrs_h): Delete variable p.
10458 * genconditions.c (write_header): Add tm-constrs.h to included
10460 * genpeep.c (main): Add toplev.h to included headers.
10461 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10462 (build/genpeep.o): Add toplev.h dependency.
10463 * config/rs6000/constraints.md: Add "W" constraint.
10465 2006-03-29 Roger Sayle <roger@eyesopen.com>
10467 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10468 sizes by correctly testing whether the size fits a host integer.
10469 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10470 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10471 SImode range for the default sizetype and bitsizetype.
10473 2006-03-29 Roger Sayle <roger@eyesopen.com>
10475 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10476 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10477 quickly if the argument is already of the correct type.
10478 Call fold_build1 instead of build1. Tidy up blank lines.
10480 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10482 * genemit.c (main): Add tm-constrs.h to included headers.
10483 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10484 * genpeep.c (main): Add tm-constrs.h to included headers.
10485 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10486 (write_tm_constrs_h): this and write complete file.
10487 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10488 (write_insn_preds_c): Add tm-constrs.h to included headers.
10489 (gen_constrs): New variable.
10490 (parse_option): Parse "-c".
10491 (main): Invoke write_tm_constrs_h.
10492 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10493 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10494 (object_out_file): Add tm-constrs.h dependency.
10495 (insn-emit.o): Same.
10496 (insn-output.o): Same.
10497 (insn-peep.o): Same.
10498 (insn-preds.o): Same.
10499 (insn-recog.o): Same.
10500 (tm-constsr.h): New target.
10501 (s-constrs-h): New target.
10503 * config/rs6000/constraints.md: New file.
10504 * config/rs6000/rs6000.c: Include tm-constrs.h.
10505 (num_insn_constant_wide): Convert to satisfies_constraint.
10506 (rs6000_rtx_costs): Convert to satisfies_constraint.
10507 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10508 (CONST_OK_FOR_LETTER_P): Delete.
10509 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10510 (EXTRA_CONSTRAINT): Delete.
10511 (EXTRA_MEMORY_CONSTRAINT): Delete.
10512 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10513 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10514 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10515 satisfies_constraint.
10517 * config/i386/i386.c: Include tm-constrs.h.
10519 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10521 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10522 * tree-data-ref.c (find_data_references_in_loop,
10523 compute_data_dependences_for_loop): Use pointers to VEC.
10524 (analyze_all_data_dependences): Adjust calls.
10525 * tree-data-ref.h (find_data_references_in_loop,
10526 compute_data_dependences_for_loop): Adjust declarations.
10527 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10528 compute_data_dependences_for_loop.
10530 2006-03-29 Paul Brook <paul@codesourcery.com>
10532 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10533 (movdf_vfp): Ditto.
10535 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10537 PR tree-optimization/26859
10538 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10540 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10541 for the step after fold_convert.
10543 2006-03-29 Paul Brook <paul@codesourcery.com>
10545 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10546 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10548 2006-03-29 Paul Brook <paul@codesourcery.com>
10550 PR middle-end/23623
10551 * targhooks.c (default_narrow_bitfield): New fuction.
10552 * targhooks.h (default_narrow_bitfield): add prototype.
10553 * target.h (gcc_target): Add narrow_volatile_bitfield.
10554 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10555 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10556 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10557 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10559 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10561 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10563 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10564 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10565 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10566 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10567 (s390_function_arg_float): Allow SDmode and DDmode values to be
10568 passed in floating point registers.
10569 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10570 check with SCALAR_FLOAT_MODE_P.
10571 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10573 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10575 PR tree-optimization/25985
10576 * tree-ssa-loop-niter.c (number_of_iterations_le,
10577 number_of_iterations_ne): Make comments more precise.
10578 (number_of_iterations_cond): Add only_exit argument. Use the
10579 fact that signed variables do not overflow only when only_exit
10581 (loop_only_exit_p): New.
10582 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10583 number_of_iterations_cond.
10585 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10587 PR tree-optimization/26643
10588 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10591 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10593 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10594 (divsi3_i4_int): Likewise.
10596 2006-03-28 Roger Sayle <roger@eyesopen.com>
10598 * expr.c (emit_group_store): Only create a new pseudo reg if the
10599 quantity it needs to hold isn't already a suitable pseudo.
10601 2006-03-28 Jeff Law <law@redhat.com>
10603 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10604 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10606 2006-03-28 Roger Sayle <roger@eyesopen.com>
10608 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10609 the equivalent ~X & Y, and the symmetry related transformations.
10610 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10611 ~X & Y, and symmetry related transforms.
10613 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10615 Revert my 2006-03-27 patches.
10617 2006-03-28 Roger Sayle <roger@eyesopen.com>
10619 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10620 ~(T1)X, when T1 and T2 are integer types of the same precision
10621 and (T2)X isn't an extension.
10623 2006-03-28 Jeff Law <law@redhat.com>
10625 PR tree-optimization/26796
10626 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10627 need EH edge cleanups rather than purging them immediately.
10628 (eliminate_degenerate_phis): Handle queued EH cleanups.
10630 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10632 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10635 2006-03-27 Roger Sayle <roger@eyesopen.com>
10637 PR middle-end/22524
10638 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10639 cast BIT_NOT_EXPR operand to the correct type.
10641 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10643 * tree-loop-linear.c: Don't include varray.h.
10644 (gather_interchange_stats, try_interchange_loops,
10645 linear_transform_loops): Use VEC instead of VARRAY.
10646 * lambda-mat.c: Don't include varray.h.
10647 * tree-chrec.c: Same.
10648 * lambda-trans.c: Same.
10649 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10650 VEC instead of VARRAY.
10651 * tree-vectorizer.h: Idem.
10652 * tree-data-ref.c (dump_data_references,
10653 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10654 initialize_data_dependence_relation, finalize_ddr_dependent,
10655 compute_all_dependences, find_data_references_in_loop,
10656 compute_data_dependences_for_loop, analyze_all_data_dependences,
10657 free_dependence_relation, free_dependence_relations,
10658 free_data_refs): Idem.
10659 * tree-data-ref.h (data_reference_p, subscript_p): New.
10660 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10661 VEC instead of VARRAY.
10662 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10663 (find_data_references_in_loop, compute_data_dependences_for_loop,
10664 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10665 dump_data_dependence_relations, free_dependence_relations,
10666 free_data_refs): Adjust declaration.
10667 (lambda_transform_legal_p): Move declaration here...
10668 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10669 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10670 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10671 vect_analyze_data_refs): Use VEC instead of VARRAY.
10672 * lambda.h (lambda_transform_legal_p): ...from here.
10673 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10674 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10675 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10676 tree-chrec.o): Don't depend on VARRAY_H.
10678 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10680 * rtl.def (Copyright): Update date.
10681 (DEPS_LIST): Change type of the second operand to 'int'.
10682 * target.h (Copyright): Update date.
10683 (struct gcc_target.speculate_insn): Change type of the second parameter
10685 * lists.c (Copyright): Update date.
10686 (alloc_DEPS_LIST): Change signature. Update reference to the second
10687 operand of the DEPS_LIST.
10688 (copy_DEPS_LIST_list): Update reference to the second operand of the
10690 * rtl.h (Copyright): Update date.
10691 (alloc_DEPS_LIST): Update signature.
10692 * sched-int.h (Copyright): Update date.
10693 (ds_t): Change typedef to 'int'.
10694 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10696 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10698 * haifa-sched.c (Copyright): Update date.
10699 (try_ready): Change condition to restore non-speculative pattern
10700 of the instruction.
10701 (process_insn_depend_be_in_spec): Code to keep probability of the
10702 speculative dependence non-decreasing.
10704 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10706 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10707 shut up the compiler.
10709 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10711 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10712 to use lib prefix for target.
10713 ($(T)libic_invalidate_array_4-200.a): Likewise.
10714 ($(T)libic_invalidate_array_4a.a): Likewise.
10716 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10717 J"orn Rennecke <joern.rennecke@st.com>
10719 * superh.opt: New file.
10720 * sh.c (boardtype, osruntime): Remove.
10721 * superh.h (SUBTARGET_OPTIONS): Remove.
10722 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10724 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10725 arguments with ^ and/or [].
10727 * config.gcc (sh-*-*): Add quoting to account for quirk of
10729 Replace == with = in enable_incomplete_targets test.
10731 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10732 with MASK_LITTLE_ENDIAN.
10734 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10735 * config/sh/sh.opt: Added to some comments.
10736 * config/sh/superh.h: Removed some chaff.
10738 * config/sh/sh.opt: Add m4-[1234]00* options.
10739 * config/sh/sh.c (sh_handle_option): Likewise.
10740 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10741 (ic_invalidate_array_4-100.o): New rule.
10742 ($(T)libic_invalidate_array_4-100.a): Likewise.
10743 (ic_invalidate_array_4-200.o): Likewise.
10744 ($(T)libic_invalidate_array_4-200.a): Likewise.
10745 (ic_invalidate_array_4a.o): Likewise.
10746 ($(T)libic_invalidate_array_4a.a): Likewise.
10747 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10748 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10750 * config/sh/crt1.asm: Merged in profiling code.
10751 * config/sh/superh.h (STARTFILE_SPEC): Override.
10752 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10753 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10754 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10756 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10757 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10758 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10760 * sh.opt (mpretend-cmove): New option.
10761 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10762 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10763 (movsicc): Add TARGET_PRETEND_CMOVE code.
10765 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10767 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10768 s390_class_max_nregs): New function prototypes.
10769 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10770 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10771 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10772 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10774 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10776 * dwarf2out.c (add_location_or_const_value_attribute): Call
10777 tree_add_const_value_attribute if nothing else works.
10778 (reference_to_unused): New.
10779 (rtl_for_decl_init): Use reference_to_unused to decide whether
10780 to output an initializer.
10782 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10785 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10786 peephole removing spe frob_di_df_2.
10788 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10790 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10791 (subscript_dependence_tester_1): Declared.
10792 (print_dir_vectors, print_dist_vectors): New.
10793 (debug_data_dependence_relation): New.
10794 (dump_data_dependence_relation): Print more details.
10795 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10796 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10797 (save_dist_v, save_dir_v, add_outer_distances,
10798 build_classic_dist_vector_1): New.
10799 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10800 Don't test for lambda_vector_lexico_pos.
10801 (same_access_functions, add_multivariate_self_dist,
10802 add_other_self_distances, dir_from_dist): New.
10803 (build_classic_dir_vector): Replace implementation almost identical to
10804 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10806 (subscript_dependence_tester_1): New.
10807 (subscript_dependence_tester): Handle the lexicographically negative
10808 distance vectors by recomputing the dependence relation.
10809 (compute_affine_dependence): Remove parameter loop_nest_depth.
10810 (compute_self_dependence): Don't call compute_subscript_distance.
10811 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10812 Add a parameter for the loop_nest.
10813 (find_loop_nest_1, find_loop_nest): New.
10814 (compute_data_dependences_for_loop): Compute the loop nest, and give
10815 up if the nest is not well formed.
10816 * tree-data-ref.h (loop_p): New.
10817 (struct data_dependence_relation): Replace size_vect field with
10818 loop_nest, a vec of loops.
10819 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10820 (DDR_LOOP_NEST): New.
10821 (print_dir_vectors, print_dist_vectors,
10822 debug_data_dependence_relation): Declared.
10823 (index_in_loop_nest): New.
10824 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10825 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10828 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10830 * simplify-rtx.c (simplify_relational_operation): Call
10831 simplify_relational_operation_1 even if mode is VOIDmode.
10833 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10835 PR tree-optimization/26804
10836 * tree.h (DECL_CALL_CLOBBERED): New macro.
10837 (tree_decl_common): Add call_clobbered_flag.
10838 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10839 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10840 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10841 (mark_non_addressable): Ditto.
10842 * tree-ssa.c (verify_call_clobbered): New function.
10843 (verify_alias_info): Use it.
10844 * tree-pass.h (pass_reset_cc_flags): New prototype.
10845 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10846 (reset_cc_flags): New function.
10847 * passes.c (init_optimization_passes): Call reset_cc_flags after
10848 initializing referenced_vars.
10850 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10851 Roger Sayle <roger@eyesopen.com>
10853 PR middle-end/26717
10854 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10855 to 1.0 for non-real operands. Implement A / A optimization for
10858 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10860 * config/i386/i386.c (size_cost): Correct the comment for
10861 cost of storing fp registers.
10862 (i386_cost): Likewise.
10863 (i486_cost): Likewise.
10864 (pentium_cost): Likewise.
10865 (pentiumpro_cost): Likewise.
10866 (k6_cost): Likewise.
10867 (athlon_cost): Likewise.
10868 (k8_cost): Likewise.
10869 (pentium4_cost): Likewise.
10870 (nocona_cost): Likewise.
10871 (generic64_cost): Likewise.
10872 (generic32_cost): Likewise.
10874 2006-03-24 Denis Chertykov <denisc@overta.ru>
10876 * config/avr/avr-protos.h (extra_constraint): Delete.
10877 (extra_constraint_Q): New declaration.
10878 * config/avr/constraints.md: New file.
10879 * config/avr/avr.md: Include it.
10880 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10881 (TMP_REGNO, ZERO_REGNO): Likewise.
10882 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10883 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10884 (extra_constraint): Delete.
10885 (extra_constraint_Q): Test for memory constraint 'Q'.
10886 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10887 (REG_CLASS_FROM_LETTER): Delete.
10888 (CONST_OK_FOR_LETTER_P): Delete.
10889 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10890 (EXTRA_CONSTRAINT): Delete.
10891 (TMP_REGNO): Delete.
10892 (ZERO_REGNO): Delete.
10894 2006-03-24 Jeff Law <law@redhat.com>
10896 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10897 directly. Call mark_new_vars_to_rename slightly earlier.
10899 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10901 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10902 (is_cxx): Likewise.
10903 (gen_compile_unit_die): Use new language types for Objective-C and
10905 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10906 DW_LANG_C_plus_plus.
10909 * config/t-darwin (crt3.o): Work around bug 26840.
10910 * config/darwin-crt3.c: Rewrite.
10911 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10913 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10915 * doc/invoke.texi: Document -femit-class-debug-always
10916 * common.opt: Add -femit-class-debug-always.
10918 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10920 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10921 index and base register.
10922 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10923 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10924 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10925 REGNO_OK_FOR_INDEX_P.
10926 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10928 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10929 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10930 REG_OK_FOR_BASE_P): Definitions removed.
10932 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10934 PR middle-end/26611
10935 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10936 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10937 set yet or weren't marked as local yet.
10939 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10941 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10944 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10946 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10947 (rs6000_legitimate_small_data_p): Delete.
10948 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10949 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10950 and make static. Add forward declaration. Update uses.
10951 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10952 of offsettable_memref_p.
10953 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10954 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10956 2006-03-24 Jeff Law <law@redhat.com>
10958 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10959 around bug in immediate-use iterator.
10961 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10964 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10965 or __LITTLE_ENDIAN__.
10967 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10969 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10970 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10971 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10972 * config/sh/sh.opt (mdiv=): Amend description.
10973 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10974 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10975 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10976 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10977 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10978 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10979 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10980 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10981 TARGET_DIVIDE_CALL_FP.
10983 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10985 * haifa-sched.c (choose_ready): Fix type of the local variable.
10986 Move local variables. Add comment.
10987 (check_reg_live): Change signature. Make callable from debugger.
10988 * sched-int.h (check_reg_live): Update signature.
10989 * sched-ebb.c (check_reg_live): Update parameters.
10990 * sched-rgn.c (check_reg_live): Ditto.
10991 (region_head_or_leaf_p): Check pointer before dereferencing.
10992 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10993 before reload on optimization levels below 1.
10995 2006-03-23 Richard Henderson <rth@redhat.com>
10997 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11001 * config/alpha/predicates.md (local_symbolic_operand): Reject
11004 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11007 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11008 expressions which have overflowed constants.
11010 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11012 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11014 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11016 * cfgloopmanip.c (create_loop_notes): Removed.
11017 * final.c (final_scan_insn): Do not handle loop notes.
11018 * jump.c (squeeze_notes): Ditto.
11019 * cfglayout.c (skip_insns_after_block,
11020 duplicate_insn_chain): Ditto.
11021 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11023 * cfgloop.h (create_loop_notes): Declaration removed.
11025 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11027 * varasm.c (output_constant_pool): Restore fnname and fndecl
11029 (assemble_start_function): Adjust call accordingly.
11030 (assemble_end_function): Likewise.
11032 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11035 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11038 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11040 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11043 * system.h (ICE_EXIT_CODE): New macro.
11044 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11045 (diagnostic_action_after_output): Likewise.
11046 * gcc.c (fatal_ice): New function.
11047 (execute): Use it instead of fatal.
11048 (fancy_abort): Likewise.
11049 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11051 2006-03-22 Jeff Law <law@redhat.com>
11053 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11054 iv_analyze_result returning false.
11056 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11058 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11060 2006-03-22 Richard Henderson <rth@redhat.com>
11062 PR middle-end/26084
11063 * except.c (duplicate_eh_regions_0): New.
11064 (duplicate_eh_region_1): Duplicate the children of the node as
11065 well as the node itself. Link them up properly.
11066 (duplicate_eh_region_2): Merge into ...
11067 (duplicate_eh_regions): ... here. Take copy_region argument, and
11068 copy only a sub-tree if asked. Simplify copying and fixup.
11069 (eh_region_outer_p): New.
11070 * except.h (duplicate_eh_regions): Update decl.
11071 (eh_region_outer_p): Declare.
11072 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11073 (lower_omp_master): Likewise.
11074 (lower_omp_ordered): Likewise.
11075 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11076 (move_stmt_r): Use it to remap labels. Handle recursion vs
11077 remap_decls_p properly.
11078 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11079 (find_outermost_region_in_block): New.
11080 (new_label_mapper): New.
11081 (move_sese_region_to_fn): Copy eh information to the new function
11083 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11085 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11088 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11090 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11091 into shared libraries.
11093 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11095 * doc/md.texi: Refer to i386/constraints.md instead of
11096 i386/predicates.md.
11097 * config/i386/constraints.md: New file, extracted from...
11098 * config/i386/predicates.md: ...here.
11099 * config/i386/i386.md: Include constraints.md.
11101 2006-03-21 Jason Merrill <jason@redhat.com>
11103 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11105 PR middle-end/20297
11106 * expr.c (init_block_move_fn): Force default visibility.
11107 (init_block_clear_fn): Likewise.
11108 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11109 * targhooks.c (default_external_stack_protect_fail): Likewise.
11111 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11113 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11114 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11115 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11116 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11117 (loadgp): Use mips_current_loadgp_style.
11118 (loadgp_noshared): New pattern.
11119 (sibcall_internal): Use MIPS_CALL.
11120 (sibcall_value_internal): Likewise.
11121 (sibcall_value_multiple_internal): Likewise.
11122 (call_internal): Likewise.
11123 (call_value_internal): Likewise.
11124 (call_value_multiple_internal): Likewise.
11125 (call_split): Use MIPS_CALL and add an 'S' constraint.
11126 (call_value_split): Likewise.
11127 (call_value_multiple_split): Likewise.
11128 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11129 (-mshared): New option.
11130 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11131 (mips_current_loadgp_style): Declare.
11132 * config/mips/mips.c (mips_classify_symbol): Avoid using
11133 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11134 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11135 TARGET_ABSOLUTE_ABICALLS.
11136 (override_options): Adjust comments. Improve the warning that is
11137 issued when -mabicalls and -G are used together.
11138 (mips_file_start): Remove comment.
11139 (mips_current_loadgp_style): New function.
11140 (mips_gnu_local_gp): New variable.
11141 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11143 (mips_output_function_prologue): Use mips_current_laodgp_style.
11144 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11145 the cprestore instruction.
11146 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11147 live for TARGET_ABSOLUTE_ABICALLS.
11148 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11149 (ASM_SPEC): Pass down -mshared and -mno-shared.
11150 (MIPS_CALL): New macro.
11151 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11153 * doc/invoke.texi (-mabicalls): Update documentation.
11154 (-mshared): Document.
11156 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11158 * config/ia64/unwind-hpux.c: New file.
11159 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11161 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11164 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11166 2006-03-21 Jeff Law <law@redhat.com>
11168 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11169 type conversions of a VR_VARYING source to a wider type.
11171 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11173 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11174 tm_file on Solaris 10 and later.
11175 (sparc64-*-solaris2*): Likewise.
11176 (sparc-*-solaris2*): Likewise.
11177 * config/sol26.h: Rename to config/sol2-6.h.
11178 * config/sol2-10.h: New file.
11180 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11183 * tree-ssa-pre.c (create_component_ref_by_pieces):
11186 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11189 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11190 return it immediately.
11192 2006-03-21 Michael Matz <matz@suse.de>
11194 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11196 (remove_arc, add_arc): Update num_out_arcs member.
11197 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11199 (cache_presence): New function.
11200 (compare_states_for_equiv): New function.
11201 (state_is_differed): Don't take number of outargs, adjust callers.
11202 Use new invariant for speeding up.
11203 (init_equiv_class): Create initial classes based on sorted
11205 (partition_equiv_class): Don't track out_arcs_num.
11206 (evaluate_equiv_classes): Call cache_presence on all states and
11209 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11211 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11212 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11213 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11214 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11216 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11217 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11218 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11219 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11220 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11222 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11223 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11224 (REGNO_REG_CLASS): ARGP is in PREGS.
11225 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11227 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11228 to deal with those addresses.
11229 * addresses.h: New file.
11230 * caller-save.c: Include "addresses.h".
11231 (init_caller_save): Use new base_reg_class function.
11232 * rtl-factoring.c: Include "addresses.h".
11233 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11234 * recog.c: Include "addresses.h".
11235 (preprocess_constraints): Use new base_reg_class function.
11236 * regrename.c: Include "addresses.h".
11237 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11238 functions. Keep track of a new var INDEX_CODE to compute valid
11240 (replace_oldest_value_addr): Likewise.
11241 (replace_oldest_value_mem): Use base_reg_class.
11242 * reload.c: Include "addresses.h".
11243 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11244 (find_reloads): Use new base_reg_class function.
11245 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11246 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11247 all callers and prototype changed.
11248 * reload1.c: Include "addresses.h".
11249 (maybe_fix_stack_asms): Use base_reg_class.
11250 * regclass.c: Include "addresses.h".
11251 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11252 (init_reg_autoinc): Use new base_reg_class function.
11253 (record_reg_classes): Likewise.
11254 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11255 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11256 Use new args to compute necessary class.
11258 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11259 regrename.o, rtl-factoring.o): Update dependencies.
11260 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11261 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11262 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11263 REG_OK_FOR_INDEX_P): Delete documentation.
11265 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11267 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11268 from V7 to V9 for Solaris 7 and above.
11270 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11272 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11273 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11274 argument pointers may not alias any other storage.
11275 * common.opt: Define option -fargument-noalias-anything.
11276 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11277 alias semantics is specified by flag_argument_noalias > 2.
11279 2006-03-20 Jeff Law <law@redhat.com>
11281 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11282 (pass_phi_only_cprop): Declare.
11283 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11284 with phi_only_cprop
11285 * tree-ssa-dom.c (degenerate_phi_result): New function.
11286 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11287 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11288 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11289 (eliminate_degenerate_phis): Likewise.
11290 (pass_phi_only_cprop): New pass descriptor.
11291 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11292 support code. Callers updated.
11293 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11294 (store_copy_prop): Likewise.
11295 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11297 2006-03-20 Jason Merrill <jason@redhat.com>
11300 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11301 (push_visibility, pop_visibility): Likewise.
11302 * c-pragma.h: Declare them.
11304 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11306 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11308 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11309 parameter and use get_ebb_head_tail.
11310 (sh_md_init_global): Adjust uses of find_regmode_weight.
11312 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11314 * function.h (struct function) <x_tail_recursion_reentry>:
11315 Rename to x_stack_check_probe_note.
11316 (tail_recursion_reentry): Rename to stack_check_probe_note.
11317 * function.c: Replace tail_recursion_reentry with
11318 stack_check_probe_note everywhere.
11319 (expand_function_start): Only emit a note for
11320 stack_check_probe_note with -fstack-protect.
11321 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11323 * emit-rtl.c (remove_unnecessary_notes): Remove.
11324 (pass_remove_unnecessary_notes): Remove.
11325 * rtl.h (remove_unnecessary_notes): Remove prototype.
11326 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11327 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11328 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11330 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11333 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11334 (valid_in_set): Handle ARRAY_REF.
11335 Change "if min_variant or VH" to asserts.
11336 (create_component_ref_by_pieces): Handle ARRAY_REF.
11337 (create_expression_by_pieces): Likewise.
11338 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11340 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11342 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11343 is operand of switch, not str[0].
11345 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11347 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11348 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11350 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11352 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11353 end of insn_extra_address_constraint declaration.
11355 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11357 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11358 (no-sum-in-toc): Same.
11359 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11361 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11362 NO_FP_IN_TOC for -fPIC instead of mask.
11364 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11365 (BOOT_LDFLAGS): Delete.
11367 * config/rs6000/t-aix52: Same.
11369 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11370 (stmsi[345678]_power): New.
11372 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11374 * config/ia64/ia64.opt: Add empty line to end of file.
11376 2006-03-17 Richard Guenther <rguenther@suse.de>
11378 PR middle-end/26721
11379 * builtins.c (get_pointer_alignment): For component style references
11380 adjust alignment to the component type alignment. Make sure
11381 to adjust alignment for component access of constants.
11383 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11385 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11386 unconditional jump.
11388 2006-03-17 Paul Brook <paul@codesourcery.com>
11390 * doc/install.texi: Docuemnt --with-mode.
11391 * config.gcc: Add --with-mode for arm*-*-*.
11392 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11394 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11396 * sh.c (max_labelno_before_reorg): New variable.
11397 (sh_reorg): Initialize it.
11398 (find_barrier): Check max_labelno_before_reorg before using
11399 label_to_alignment. Take length of explicit alignment insns
11400 into account. When seeing a UNSPECV_CONST_END, return it.
11402 * sh.c (fixup_mova): Set mode of affected label to QImode.
11403 (untangle_mova): New function.
11404 (find_barrier): Use it. Check mode of label before decrementing
11406 (sh_reorg): Likewise.
11407 Set mode of all insns back to VOIDmode.
11409 * sh.c (MOVA_LABELREF): New macro.
11410 (mova_p, fixup_mova, sh_reorg): Use it.
11411 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11412 ADDR_DIFF_VEC matches mova.
11414 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11416 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11417 with ATTRIBUTE_UNUSED.
11419 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11421 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11422 pointer, instead of assuming it is possible to derive the
11423 correct args size from a call insn.
11425 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11427 * rtl.h (CONST_INT_P): Define.
11428 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11429 instead of GET_CODE(x) == CONST_INT.
11430 (vax_rtx_costs): Likewise.
11431 (vax_output_int_move): Likewise.
11432 (vax_output_int_add): Likewise.
11433 (legitimate_constant_address_p): Likewise.
11434 (index_term_p): Likewise.
11435 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11436 * config/vax/vax.md (and<mode>3): Likewise.
11437 (ashrsi3): Likewise.
11439 (movstricthi): Likewise.
11440 (movstrictqi): Likewise.
11441 (rotrsi3): Likewise.
11442 (five unnamed insns): Likewise.
11444 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11446 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11447 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11448 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11449 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11450 Pass to ASM_OUTPUT_DWARF_OFFSET.
11451 * dwarf2out.c (debug_frame_section): New.
11452 (output_call_frame_info): Use debug_frame_section. Pass it to
11453 dw2_asm_output_offset.
11454 (output_die): Pass appropriate section to dw2_asm_output_offset.
11455 (output_compilation_unit_header): Likewise.
11456 (output_pubnames): Likewise.
11457 (output_aranges): Likewise.
11458 (enum dw_val_class): Break dw_val_class_lbl_offset into
11459 dw_val_class_lineptr and dw_val_class_macptr.
11460 (add_AT_lbl_offset): Delete.
11461 (add_AT_lineptr): New.
11462 (add_AT_macptr): New.
11463 (AT_lbl): Expect a lineptr or macptr.
11464 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11465 (attr_checksum): Likewise.
11466 (same_dw_val_p): Likewise.
11467 (size_of_die): Likewise.
11468 (value_format): Likewise.
11469 (output_die): Likewise.
11470 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11472 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11473 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11474 * config/darwin-protos.h (darwin_file_start): New.
11475 (darwin_asm_output_dwarf_offset): New.
11476 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11477 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11479 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11480 if not EH section; simplify.
11481 (darwin_file_start): New.
11482 (darwin_asm_output_dwarf_offset): New.
11483 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11485 (DEBUG_INFO_SECTION): Likewise.
11486 (DEBUG_ABBREV_SECTION): Likewise.
11487 (DEBUG_ARANGES_SECTION): Likewise.
11488 (DEBUG_MACINFO_SECTION): Likewise.
11489 (DEBUG_LINE_SECTION): Likewise.
11490 (DEBUG_LOC_SECTION): Likewise.
11491 (DEBUG_PUBNAMES_SECTION): Likewise.
11492 (DEBUG_STR_SECTION): Likewise.
11493 (DEBUG_RANGES_SECTION): Likewise.
11494 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11495 (ASM_OUTPUT_DWARF_OFFSET): New.
11497 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11499 * config.gcc (tm_defines): Always add to previous value rather
11502 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11504 * config/mips/predicates.md (splittable_const_int_operand): New,
11505 split from move_operand.
11506 (splittable_symbolic_operand): New.
11507 (move_operand): Add commentary. Use splittable_const_int_operand.
11508 Inline mips_atomic_symbolic_constant_p.
11509 * config/mips/mips.md: Add combine splitters for handling moves
11510 of splittable_const_int_operands and splittable_symbolic_operands.
11511 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11512 (mips_split_symbol): Declare.
11513 (mips_move_integer): Declare.
11514 * config/mips/mips.c (mips_split_p): Make global.
11515 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11516 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11517 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11518 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11519 (mips_offset_within_object_p): Handle block symbols.
11520 (mips_atomic_symbolic_constant_p): Delete.
11521 (mips_cannot_force_const_mem): Return false for constants that
11522 mips_legitimize_move can handle.
11523 (mips_use_blocks_for_constant_p): New function.
11524 (mips_split_symbol): Make global.
11525 (mips_move_integer): Likewise. Add a temporary register argument.
11526 (mips_legitimize_const_move): Use splittable_const_int_operand and
11527 splittable_symbolic_operand.
11528 (mips_use_anchors_for_symbol_p): New function.
11529 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11530 (mips_split_p): Declare.
11532 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11534 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11535 (mips*-*-linux*): Likewise.
11537 2006-03-16 Roger Sayle <roger@eyesopen.com>
11538 Daniel Speyer <dspeyer@wam.umd.edu>
11540 PR middle-end/18259
11541 * tree-dump.c (dump_real): New function.
11542 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11543 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11544 (tree-dump.o): Add $(REAL_H) to the dependencies.
11546 2006-03-16 Roger Sayle <roger@eyesopen.com>
11548 PR middle-end/21781
11549 * real.c (real_from_string): If the mantissa is zero, don't bother
11550 parsing the exponent as the result should always be zero.
11552 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11554 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11556 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11558 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11559 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11560 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11561 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11562 ia64_sched_finish_global): New static functions to implement
11563 hooks from gcc_target.sched.
11564 (spec_check_no, max_uid, pending_data_specs): New static variables.
11565 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11566 ia64_spec_check_src_p): New static functions.
11567 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11568 (TARGET_SCHED_ADJUST_COST): Removed.
11569 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11570 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11571 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11572 TARGET_SCHED_GEN_CHECK,
11573 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11574 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11575 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11576 Fixed to handle speculation checks.
11577 (rtx_needs_barrier): Fixed to handle speculative loads and
11579 (ia64_variable_issue): Added code to count speculative loads and their
11581 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11583 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11585 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11587 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11588 (ia64_reorg): Reset stops_p to NULL after it is freed.
11589 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11590 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11591 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11593 (data_speculative, control_speculative, check_load): New attributes.
11594 (mov<mode>_advanced, mov<mode>_speculative,
11595 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11596 zero_extend<mode>di2_speculative,
11597 zero_extend<mode>di2_speculative_advanced): New patterns for
11598 data and control speculative loads.
11599 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11601 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11602 New pattern for data and control speculation checks.
11603 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11604 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11605 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11606 Auxiliary definitions for the patterns.
11607 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11608 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11610 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11612 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11613 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11614 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11615 New resource constraints.
11616 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11618 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11619 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11620 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11621 msched-in-control-spec, msched-ldc, msched-control-ldc,
11622 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11623 msched-prefer-non-control-spec-insns,
11624 msched-count-spec-in-critical-path): New flags to tune speculative
11626 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11627 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11628 msched-in-control-spec, msched-ldc, msched-control-ldc,
11629 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11630 msched-prefer-non-control-spec-insns,
11631 msched-count-spec-in-critical-path): Document new flags.
11633 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11635 * target.h (struct spec_info_def): New opaque declaration.
11636 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11637 speculate_insn, needs_block_p, gen_check,
11638 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11639 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11640 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11641 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11642 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11643 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11645 (TARGET_SCHED): Use new macros.
11646 * rtl.h (copy_DEPS_LIST_list): New prototype.
11647 * sched-int.h (struct sched_info): Change signature of new_ready field,
11648 adjust all initializations. New fields: add_remove_insn,
11649 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11650 region_head_or_leaf_p.
11651 (struct spec_info_def): New structure declaration.
11652 (spec_info_t): New typedef.
11653 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11654 recovery_block, orig_pat.
11655 (glat_start, glat_end): New variables declaraions.
11656 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11658 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11659 DETACH_LIFE_INFO, USE_GLAT.
11660 (enum SPEC_SCHED_FLAGS): New enumeration.
11661 (NOTE_NOTE_BB_P): New macro.
11662 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11663 attach_life_info, debug_spec_status, check_reg_live): New functions.
11664 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11665 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11667 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11668 * ddg.c (get_block_head_tail): Adjust all uses.
11669 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11670 (sms_sched_info): Initialize new fields.
11671 (contributes_to_priority): Removed.
11672 * haifa-sched.c (params.h): New include.
11673 (get_block_head_tail): Adjust all uses.
11674 (ISSUE_POINTS): New macro.
11675 (glat_start, glat_end): New global variables.
11676 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11677 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11678 old_last_basic_block, before_recovery, current_sched_info_var,
11679 rgn_n_insns, luid): New static variables.
11680 (insn_cost1): New function. Move logic from insn_cost to here.
11681 (find_insn_reg_weight1): New function. Move logic from
11682 find_insn_reg_weight to here.
11683 (reemit_notes, move_insn, max_issue): Change signature.
11684 (move_insn1): Removed.
11685 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11686 extend_bb): New static functions to support extension of scheduler's
11688 (generate_recovery_code, process_insn_depend_be_in_spec,
11689 begin_speculative_block, add_to_speculative_block,
11690 init_before_recovery, create_recovery_block, create_check_block_twin,
11691 fix_recovery_deps): New static functions to support
11692 generation of recovery code.
11693 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11694 restore_bb_notes, move_block_after_check, move_succs): New static
11695 functions to support ebb scheduling.
11696 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11697 functions to support handling of register live information.
11698 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11699 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11700 add_jump_dependencies): New static functions.
11701 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11702 consistancy checking.
11703 (debug_spec_status): New function to call from debugger.
11704 (priority): Added code to handle speculation checks.
11705 (rank_for_schedule): Added code to distinguish speculative instructions.
11706 (schedule_insn): Added code to handle speculation checks.
11707 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11708 Fixed to handle ebbs.
11709 (move_insn): Added code to handle ebb scheduling.
11710 (max_issue): Added code to use ISSUE_POINTS of instructions.
11711 (choose_ready): Added code to choose between speculative and
11712 non-speculative instructions.
11713 (schedule_block): Added code to handle ebb scheduling and scheduling of
11714 speculative instructions.
11715 (sched_init): Initialize new variables.
11716 (sched_finish): Free new variables. Print statistics.
11717 (try_ready): Added code to handle speculative instructions.
11718 * lists.c (copy_DEPS_LIST_list): New function.
11719 * sched-deps.c (extend_dependency_caches): New function. Move logic
11720 from create_dependency_caches to here.
11721 (get_dep_weak, ds_merge): Make global.
11722 * genattr.c (main): Code to output prototype for
11723 dfa_clear_single_insn_cache.
11724 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11725 (output_dfa_clean_insn_cache_func): Code to output
11726 dfa_clear_single_insn_cache function.
11727 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11729 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11731 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11732 New static variables.
11733 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11734 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11736 (ebb_sched_info): Initialize new fields.
11737 (get_block_head_tail): Adjust all uses.
11738 (compute_jump_reg_dependencies): Fixed to use glat_start.
11739 (schedule_ebb): Code to remove unreachable last block.
11740 (schedule_ebbs): Added code to update register live information.
11741 * sched-rgn.c (region_sched_info): Initialize new fields.
11742 (get_block_head_tail): Adjust all uses.
11743 (last_was_jump): Removed. Adjust users.
11744 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11745 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11746 Implement new hooks.
11747 (check_dead_notes1): New static function.
11748 (struct region): New fields: dont_calc_deps, has_real_ebb.
11749 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11750 (BB_TO_BLOCK): Fixed to handle EBBs.
11751 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11752 (ebb_head): New static variable.
11753 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11754 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11756 (compute_dom_prob_ps): New assertion.
11757 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11758 global_live_at_start.
11759 (init_ready_list): New assertions.
11760 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11761 (new_ready): Add support for BEGIN_CONTROL speculation.
11762 (schedule_insns): Fixed code that updates register live information
11764 (schedule_region): Fixed to handle EBBs.
11765 (init_regions): Use extend_regions and check_dead_notes1.
11766 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11767 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11768 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11769 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11770 TARGET_SCHED_GEN_CHECK,
11771 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11772 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11773 * doc/invoke.texi (max-sched-insn-conflict-delay,
11774 sched-spec-prob-cutoff): Document.
11776 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11778 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11779 inter_tick, queue_index.
11780 (struct sched_info): Change signature of init_ready_list field.
11781 Adjust all initializations.
11782 (RESOLVED_DEPS): New access macro.
11783 (ready_add): Remove prototype.
11784 (try_ready): Add prototype.
11785 * sched-rgn.c (init_ready_list): Use try_ready.
11786 (schedule_region): Initialize
11787 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11788 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11789 (init_ready_list): Use try_ready.
11790 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11791 * lists.c (remove_list_elem): Remove `static'.
11792 (remove_free_INSN_LIST_elem): New function.
11793 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11794 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11795 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11797 (readyp): New variable.
11798 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11799 change_queue_index, resolve_dep): New static functions.
11800 (try_ready): New function. Adjust callers in sched-rgn.c and
11801 sched-ebb.c to use it instead of ready_add.
11802 (clock_var): Move at the begining of file.
11803 (rank_for_schedule): Fix typo.
11804 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11805 (ready_lastpos): Enforce assertion.
11806 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11807 update all callers.
11808 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11809 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11810 (queue_to_ready): Use free_INSN_LIST_list.
11811 (early_queue_to_ready): Fix typo.
11812 (schedule_block): Init readyp. Move init_ready_list call after the
11813 initialization of clock_var. Fix error in rejecting insn by
11814 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11815 that previously corrected INSN_TICKs. Add code for handling
11817 (set_priorities): Fix typo.
11818 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11819 Clarify comment and code that keeps current_sched_info->next_tail
11822 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11824 * sched-rgn.c (extend_rgns): New static function.
11825 (find_rgns): Use it.
11826 (gather_region_statistics, print_region_statistics): New static
11828 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11829 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11831 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11832 Andrey Belevantsev <abel@ispras.ru>
11834 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11835 * lists.c (unused_deps_list): New variable.
11836 (free_list): Add assertions to verify the proper distinguishing
11837 between INSN_LISTs and DEPS_LISTs.
11838 (find_list_elem, remove_list_elem, remove_list_node): New static
11840 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11841 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11842 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11843 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11845 (free_INSN_LIST_node): Likewise.
11846 * modulo-sched.c (current_sched_info): Initialize flags field.
11847 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11848 * rtl.def (DEPS_LIST): Define.
11849 * rtl.h: Declare new functions from lists.c.
11850 * sched-deps.c (spec_dependency_cache): New static variable.
11851 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11852 (add_dependence): Change return type to void. Move the logic to ...
11853 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11854 (delete_all_dependences): Add comment about forward_dependency_cache.
11855 Handle spec_dependency_cache. Handle DEPS_LISTs.
11856 (fixup_sched_groups): Clarify the change of priority of output
11857 and anti dependencies.
11858 (sched_analyze_2): Adjust add_dependence calls to create data
11859 speculative dependence.
11860 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11861 Adjust all callers. Handle DEPS_LISTS.
11862 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11863 presence of speculation.
11864 (init_dependency_caches, free_dependency_caches):
11865 Handle spec_dependency_cache.
11866 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11867 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11868 New static functions.
11869 (add_or_update_back_dep, add_or_update_back_forw_dep,
11870 add_back_forw_dep, delete_back_forw_dep): New functions.
11871 * sched-int.h (ds_t, dw_t): New typedefs.
11872 (struct sched_info): Add new field flags.
11873 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11874 Prototype new sched-deps.c functions.
11875 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11876 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11877 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11878 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11879 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11880 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11882 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11884 * sched-rgn.c (current_sched_info): Initialize flags field.
11885 (schedule_insns): Initialize current_sched_info before the sched_init
11887 * sched-ebb.c (current_sched_info): Initialize flags field.
11888 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11889 Call add_or_update_back_dep instead of add_dependence.
11890 Create control speculative dependencies.
11891 (schedule_insns): Initialize current_sched_info before the sched_init
11894 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11896 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11898 (sh_fallback_frame_state): Likewise.
11900 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11902 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11903 Do switch on default_use_cxa_atexit.
11904 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11905 * config/darwin-crt3.o: New.
11906 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11907 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11908 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11910 * config/rs6000/t-darwin: Move crt2.o building to here.
11911 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11912 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11915 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11917 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11918 from '! xxx' to '!xxx' for coding-style conformance.
11919 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11920 (EXTRA_CONSTRAINT): Likewise.
11921 * config/vax/vax.md (four unnamed insns): Likewise.
11923 2006-03-15 Paul Brook <paul@codesourcery.com>
11925 * config/arm/arm.c (minipool_pad): New.
11926 (add_minipool_forward_ref): Include pool alignment padding in address
11928 (push_minipool_fix): Set minipool_pad.
11929 (minipool_pad): Ditto.
11931 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11933 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11934 instead of GET_CODE() == MEM and REG_P() instead of
11936 (print_operand_address): Likewise.
11937 (vax_address_cost): Likewise.
11938 (vax_rtx_costs): Likewise.
11939 (vax_notice_update_cc): Likewise.
11940 (vax_output_int_add): Likewise.
11941 (INDEX_REGISTER_P): Likewise.
11942 (BASE_REGISTER_P): Likewise.
11943 (nonindexed_address_p): Likewise.
11944 (vax_mode_dependent_address_p): Likewise.
11945 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11946 (PRINT_OPERAND): Likewise.
11947 * config/vax/vax.md (ashlsi3): Likewise.
11948 (ashlsi3): Likewise.
11949 (some more unnamed insns): Likewise.
11951 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11953 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11954 iterator-style macro.
11955 (mark_control_dependent_edges_necessary): Update the use of
11956 EXECUTE_IF_CONTROL_DEPENDENT.
11958 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11960 * config/sh/predicates.md (cache_address_operand): Special.
11961 (ua_address_operand): Likewise.
11963 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11965 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11967 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11969 2006-03-15 Andreas Schwab <schwab@suse.de>
11971 * gensupport.c (identify_predicable_attribute): Don't free p_false
11972 when it is still in use.
11974 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11976 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11977 the default setting here.
11979 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11981 * tree-pass.h (pass_cfg): Remove.
11982 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11983 * passes.c (pass_cfg): Don't run it.
11985 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11987 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11988 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11990 (stack_regs_mentioned): Update the uses of
11991 stack_regs_mentioned_data. Don't access the array beyond its
11993 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11994 Don't include gt-reg-stack.h.
11996 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11997 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11999 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12001 PR middle-end/26684
12002 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12005 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12007 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12009 2006-03-14 Richard Guenther <rguenther@suse.de>
12011 PR tree-optimization/26672
12012 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12015 2006-03-14 Richard Guenther <rguenther@suse.de>
12017 PR tree-optimization/26667
12018 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12019 node for the callees. Always allow inlining if it will shrink
12022 2006-03-14 Richard Guenther <rguenther@suse.de>
12024 PR middle-end/26659
12025 * builtins.c (get_pointer_alignment): Prefer alignment
12026 information from decls over that from types.
12028 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12031 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12033 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12035 * config/rs6000/rs6000.opt (mdlmzb): New option.
12036 (msched-prolog, msched-epilog): Use Var not Mask.
12037 * doc/invoke.texi (-mdlmzb): Document.
12038 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12040 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12041 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12043 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12045 PR rtl-optimization/25739
12046 * bt-load.c (augment_live_range): Free tos pointer.
12048 * gensupport.c (identify_predicable_attribute): Free
12050 * gcov.c (create_file_names): Free name pointer.
12052 2006-03-13 Roger Sayle <roger@eyesopen.com>
12054 PR middle-end/26557
12055 * stmt.c (emit_case_nodes): Handle the case where the index is a
12056 CONST_INT, where the comparison mode is specified by the index type.
12058 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12060 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12063 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12065 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12066 (*branch_fp_inverted): Likewise.
12068 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12070 PR middle-end/25989
12071 * omp-low.c (expand_omp_for_generic): Mark istart0
12072 and iend0 as addressable.
12074 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12076 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12078 2006-03-13 Jeff Law <law@redhat.com>
12080 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12081 virtual operands are interesting.
12082 (vrp_visit_stmt): Corresponding changes.
12084 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12086 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12088 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12089 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12090 * config/bfin/crti.S: Use it instead of __PIC__.
12091 * config/bfin/crtn.S: Likewise.
12093 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12094 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12096 Lose 'G' modifier for call operand.
12097 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12098 recognize 'G' modifier.
12100 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12102 PR middle-end/18859
12103 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12104 * stmt.c (expand_case): Likewise.
12106 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12108 PR rtl-optimization/26254
12109 * loop-invariant.c (seq_insns_valid_p): New function.
12110 (move_invariant_reg): Only emit new code if it is valid.
12112 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12114 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12116 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12117 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12118 (commit_one_edge_insertion): Do not look for loop notes.
12120 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12122 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12123 flag_test_coverage out of loop.
12125 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12127 * final.c (shorten_branches): Remove outdated comment, and turn
12128 the if branch that guards it to continue.
12130 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12132 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12133 * cfgloop.h (struct loop): Remove unused fields.
12135 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12137 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12138 (-dL, -fdump-rtl-loop2): Update the dump file names
12140 * doc/invoke.texi: Update dump file names.
12142 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12144 * predict.c (estimate_probability): Remove.
12145 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12146 * basic-block.h (estimate_probability): Remove prototype.
12147 * passes.c (finish_optimization_passes): Dump branch prediction or
12148 profiling heuristics to the .profile tree dump.
12149 (init_optimization_passes): Unqueue pass_branch_prob.
12151 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12153 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12155 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12156 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12158 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12160 * function.h (frame_offset_overflow): Declare.
12161 * function.c (frame_offset_overflow): New function.
12162 (assign_stack_local_1): Call it to detect that the offset overflows.
12163 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12165 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12167 * config/sh/sh.c: Include alloc-pool.h.
12168 (label_ref_list_pool): New alloc pool.
12169 (label_ref_list_t): New type for lists of labels.
12170 (struct pool_node): Make wend a label_ref_list_t.
12171 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12173 (dump_table): Likewise.
12174 (sh_reorg): Set up the alloc pool before using add_constant and
12175 dump_table, and destroy it when finishing.
12177 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12179 * config/mips/mips.c: Remove redundant comment.
12181 2006-03-10 Jason Merrill <jason@redhat.com>
12184 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12185 the target was declared 'register'.
12187 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12189 * genpreds.c (write_insn_constraint_len): Change definition of
12190 insn_constraint_len to return size_t to match the declaration.
12192 2006-03-10 DJ Delorie <dj@redhat.com>
12194 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12196 (m32c_expand_insv): Fix test for an AND mask.
12198 2006-03-10 Richard Guenther <rguenther@suse.de>
12200 PR middle-end/26565
12201 * builtins.c (get_pointer_alignment): Handle component
12202 references for field alignment.
12204 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12206 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12207 when building with libgloss.
12208 (sh*elf): Implement --without-fp option.
12209 (sh64-superh-linux*): Don't multilib.
12211 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12213 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12215 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12217 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12218 Set it when one of the replacement functions returned true.
12219 Return TODO_cleanup_cfg if cfgchanged is true.
12220 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12222 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12224 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12225 instead of gen_lowpart.
12227 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12229 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12231 (mips_output_order_conditional_branch): Declare.
12232 * config/mips/mips.h (MIPS_BRANCH): New macro.
12233 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12234 for the comparison. Use gen_condjump.
12235 (mips_output_conditional_branch): Rework interface to take the
12236 asm templates for a direct branch and the inverse of a direct branch.
12237 (mips_output_order_conditional_branch): New function.
12238 (mips_builtin_branch_and_move): New function.
12239 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12240 branch condition. Use gen_single_cc as the condition for
12241 __builtin_mips_upper_* or __builtin_mips_lower_*.
12242 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12243 Use VOIDmode for the branch condition.
12244 * config/mips/predicates.md (order_operator): New predicate.
12245 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12246 (branch_fp): Rename to...
12247 (*branch_fp): ...this. Remove mode from comparison operator.
12248 Use new mips_output_conditional_branch interface.
12249 (branch_fp_inverted): Rename to...
12250 (*branch_fp_inverted): ...this and update as for *branch_fp.
12251 (*branch_zero<mode>): Rename to...
12252 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12253 Use mips_output_order_conditional_branch. Only accept ordered
12255 (*branch_zero<mode>_inverted): Rename to...
12256 (*branch_order<mode>_inverted): ...this and update as for
12257 *branch_order<mode>.
12258 (*branch_equality<mode>): Accept zero as the second operand to
12259 the equality operator. Use the new mips_output_conditional_branch
12261 (*branch_equality<mode>_inverted): Likewise.
12262 (condjump): New expander.
12263 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12265 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12266 (bc1any2t, bc1any2f): Likewise.
12267 (single_cc): New expander.
12268 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12270 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12272 * doc/md.texi: Update documentation of MIPS constraints.
12273 * config/mips/constraints.md: New file.
12274 * config/mips/mips.md: Include it.
12275 * config/mips/mips.c (mips_char_to_class): Delete.
12276 (override_options): Don't initialize mips_char_to_class.
12277 * config/mips/mips.h (mips_char_to_class): Delete.
12278 (REG_CLASS_FROM_LETTER): Delete.
12279 (CONST_OK_FOR_LETTER_P): Delete.
12280 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12281 (EXTRA_CONSTRAINT_Y): Delete.
12282 (EXTRA_CONSTRAINT_STR): Delete.
12283 (CONSTRAINT_LEN): Delete.
12284 (EXTRA_MEMORY_CONSTRAINT): Delete.
12286 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12288 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12289 original fn's eh regions.
12291 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12293 * fold-const.c (build_range_check): Make sure to use a valid type to
12294 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12297 (range_predecessor): New static function.
12298 (range_successor): Likewise.
12299 (merge_ranges): Use them to compute predecessors and successors of
12302 2006-03-09 Roger Sayle <roger@eyesopen.com>
12304 PR middle-end/26561
12305 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12306 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12308 2006-03-08 DJ Delorie <dj@redhat.com>
12310 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12311 (addpsi3): Expand to include memory operands. Remove
12312 reload-specific splits.
12313 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12314 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12315 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12316 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12317 (shift1_qi, shift1_hi, insv): New.
12318 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12319 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12320 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12322 * config/m32c/m32c-protos.h: Update as needed.
12323 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12324 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12325 Fail for unrecognized R* constraints.
12326 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12327 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12328 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12330 (m32c_init_libfuncs): New.
12331 (m32c_legitimate_address_p): Add debug wrapper.
12332 (m32c_rtx_costs): New.
12333 (m32c_address_cost): New.
12334 (conversions): Add 'B' prefix.
12335 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12336 operands, or word regnames for QI operands. 'B' prints bit
12338 (m32c_expand_setmemhi): New.
12339 (m32c_expand_movmemhi): New.
12340 (m32c_expand_movstr): New.
12341 (m32c_expand_cmpstr): New.
12342 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12343 (m32c_expand_neg_mulpsi3): Handle non-ints.
12344 (m32c_cmp_flg_0): New.
12345 (m32c_expand_movcc): New.
12346 (m32c_expand_insv): New.
12347 (m32c_scc_pattern): New.
12348 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12349 a0/a1 out of SIregs.
12350 (STORE_FLAG_VALUE): New.
12351 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12354 * config/m32c/mov.md: Make constraints more liberal.
12355 (zero_extendqihi2): Optimize r0/r1 case.
12356 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12357 * config/m32c/predicates.md (m32c_any_operand): New.
12358 (m32c_nonimmediate_operand): New.
12359 (m32c_hl_operand): New.
12360 (m32c_r3_operand): New.
12363 (memsym_operand): New.
12364 (memimmed_operand): New.
12365 (a_qi_operand): New.
12366 (m32c_eqne_operator): New.
12367 (m32c_1bit8_operand): New.
12368 (m32c_1bit16_operand): New.
12369 (m32c_1mask8_operand): New.
12370 (m32c_1mask16_operand): New.
12371 * config/m32c/blkmov.md: New file.
12372 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12374 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12376 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12377 unsigned to fix signed/unsigned comparison issue in
12378 DWARF2_FRAME_REG_OUT.
12379 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12380 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12382 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12383 of ptr into the ENABLE_CHECKING section.
12385 2006-03-08 Jeff Law <law@redhat.com>
12387 * tree-vrp.c (infer_value_range): Only count pointer uses
12388 and dereferences if -fdelete-null-pointer-checks is enabled.
12390 * tree-vrp.c (find_assert_locations): Infer value ranges for
12391 single use pointers, but do not create ASSERT_EXPRs for them.
12392 When a non-null range is inferred for a pointer, backwards
12393 propagate that range to other equivalent pointers through the
12396 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12399 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12400 language hook targets.
12401 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12402 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12403 if language hook targets were missing.
12405 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12407 * tree-ssa-opfinalize.h: Removed.
12408 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12410 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12411 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12412 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12413 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12414 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12415 finalize_ssa_v_must_def_ops): New.
12417 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12419 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12420 block as parameter.
12422 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12424 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12426 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12427 addresses with offsets; reorganize.
12429 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12430 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12431 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12433 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12436 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12438 2006-03-08 Ben Elliston <bje@au.ibm.com>
12440 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12442 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12445 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12448 2006-03-07 Richard Guenther <rguenther@suse.de>
12450 PR tree-optimization/26587
12451 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12453 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12455 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12457 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12459 * hooks.c (hook_bool_mode_rtx_true): New function.
12460 * hooks.h (hook_bool_mode_rtx_true): Declare.
12461 * toplev.c (compile_file): Call output_shared_constant_pool.
12462 * varasm.c (shared_constant_pool): New variable.
12463 (assemble_start_function, assemble_end_function): Remove arguments
12464 from call to output_constant_pool.
12465 (create_constant_pool): New function, split out from...
12466 (init_varasm_status): ...here.
12467 (force_const_mem): Choose between the shared and per-function constant
12468 pools. Set current_function_uses_const_pool when reusing old entries
12469 as well as when creating new ones.
12470 (mark_constant): Ignore data argument.
12471 (mark_constants): Remove pool argument.
12472 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12473 to decide whether the function uses a constant pool.
12474 (output_constant_pool_contents): New function, split out from...
12475 (output_constant_pool): ...here.
12476 (output_shared_constant_pool): New function.
12477 (init_varasm_once): Initialize shared_constant_pool.
12478 * output.h (output_constant_pool): Delete.
12479 (output_shared_constant_pool): Declare.
12480 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12481 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12483 2006-03-06 Nick Clifton <nickc@redhat.com>
12485 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12486 flag_strength_reduce.
12488 2006-03-06 Ben Elliston <bje@au.ibm.com>
12490 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12491 x86_64-*-linux* configurations.
12493 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12494 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12496 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12498 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12500 * basic-block.h: Remove the extern for
12501 rediscover_loops_after_threading.
12503 * cfgloop.c (cancel_loop): Make it static.
12504 * cfgloop.h: Remove the prototype for cancel_loop.
12506 * flow.c (recompute_reg_usage): Make it static.
12507 * rtl.h: Remove the prototype for recompute_reg_usage.
12509 * function.c (use_return_register): Make it static.
12510 * function.h: Remove the prototype.
12512 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12514 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12516 * recog.h: Remove the prototype for
12517 validate_change_maybe_volatile.
12519 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12521 * rtlanal.c (replace_reg): Remove.
12522 * rtl.h: Remove the prototype for replace_reg.
12524 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12526 * regclass.c (reg_scan_update): Remove.
12527 (reg_scan_mark_refs): Remove the last argument.
12528 * rtl.h: Remove the prototype for reg_scan_update.
12530 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12532 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12533 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12534 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12535 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12536 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12537 loop-invariant.c, omp-low.c, opts.c, passes.c,
12538 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12539 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12540 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12541 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12542 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12543 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12545 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12547 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12548 * dwarf2out.h: Remove the prototype for
12549 dwarf2out_add_library_unit_info.
12551 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12553 * tree.c (add_var_to_bind_expr): Remove.
12554 * tree.h: Remove the prototype for add_var_to_bind_expr.
12556 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12558 * regclass.c (n_non_fixed_regs): Remove.
12559 (init_reg_sets_1, globalize_reg): Remove all uses of
12561 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12563 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12565 * rtlanal.c (insns_safe_to_move_p): Remove.
12566 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12568 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12570 * expmed.c (expand_mult_add): Remove.
12571 * expr.h: Remove the prototype for expand_mult_add.
12573 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12575 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12576 and REG_SAVED_VAL_EXP constants.
12577 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12578 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12579 Handle regs stored by value.
12580 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12581 (execute_cfa_program): Handle DW_CFA_val_offset,
12582 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12583 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12584 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12585 (uw_install_context_1): Handle target regs stored by value.
12587 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12589 * tree-sra.c (tree_sra): Return todoflags;
12590 (generate_one_element): Set TODO_update_smt_usage if needed.
12591 (pass_sra): Remove TODO_update_smt_usage.
12592 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12594 (tree_ssa_forward_propagate_single_use_vars): Return
12595 TODO_update_smt_usage if we need to update SMT usage.
12596 (pass_forwprop): Remove TODO_update_smt_usage.
12598 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12600 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12601 (correct_use_link): Remove reference to get_stmt_operands.
12602 (update_stmt_operands): Likewise.
12603 (get_modify_expr_operands): New function factored out of
12604 parse_ssa_operands and get_expr_operands.
12605 Try to create V_MUST_DEFs for LHS by default.
12606 (get_expr_operands) <case MODIFY_EXPR>: Call
12607 get_modify_expr_operands.
12608 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12609 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12610 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12611 get_modify_expr_operands.
12613 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12615 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12616 * tree-flow.h: Remove the prototype for
12617 referenced_var_lookup_if_exists.
12619 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12621 PR rtl-optimization/26345
12623 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12625 2006-03-03 Roger Sayle <roger@eyesopen.com>
12627 PR tree-optimization/26524
12628 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12629 fold_convert to create a constant of the appropriate type.
12631 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12633 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12634 SYMBOL_REF_IN_BLOCK_P.
12635 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12636 of SYMBOL_FLAG_IN_BLOCK.
12637 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12638 instead of SYMBOL_REF_IN_BLOCK_P.
12639 * explow.c (use_anchored_address): Likewise.
12640 * rtl.c (rtx_size): Likewise.
12641 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12642 instead of SYMBOL_FLAG_IN_BLOCK.
12643 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12644 SYMBOL_REF_IN_BLOCK_P.
12645 (assemble_variable): Likewise.
12646 (output_constant_def_contents): Likewise.
12647 (output_constant_pool): Likewise.
12648 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12649 instead of SYMBOL_FLAG_IN_BLOCK.
12650 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12651 SYMBOL_REF_IN_BLOCK_P.
12652 (SYMBOL_REF_BLOCK): Likewise.
12653 (SYMBOL_REF_OFFSET): Likewise.
12654 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12655 SYMBOL_REF_IN_BLOCK_P.
12656 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12657 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12658 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12659 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12661 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12663 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12665 2006-03-02 Roger Sayle <roger@eyesopen.com>
12667 * simplify-rtx.c (simplify_unary_operation): When simplifying
12668 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12669 that we perform the right shift in the appropriate mode, and
12670 then extend or truncate the result to requested mode.
12672 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12674 * gengtype.c (main): Handle double_int type.
12675 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12676 * double-int.c: New file.
12677 * double-int.h: New file.
12678 * system.h: Include doubleint.h.
12679 * Makefile.in (SYSTEM_H): Include double-int.h.
12680 (double-int.o): Add.
12682 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12685 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12688 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12690 * tree-vrp.c (remove_range_assertions): Do not update statements
12693 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12695 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12697 * gcse.c (rest_of_handle_gcse): Ditto.
12698 * except.c (gate_handle_eh): Ditto.
12699 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12700 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12702 2006-03-02 Eric Christopher <echristo@apple.com>
12704 * config/i386/i386.c (machopic_output_stub): Add indirection to
12707 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12711 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12713 Sun Niagara specific optimizations.
12714 * config.gcc: Recognize niagara as target.
12715 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12716 (TARGET_CPU_niagara): Define.
12717 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12718 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12719 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12720 (ASM_CPU_SPEC): Likewise.
12721 (PROCESSOR_NIAGARA): New enum entry.
12722 (REGISTER_MOVE_COST): Handle Niagara.
12723 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12724 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12725 (sparc_override_options): Recognize "niagara", set appropriate
12726 default MASK_* values for it, and align functions to 32-bytes
12727 by default just like ULTRASPARC/ULTRASPARC3.
12728 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12729 (sparc64_initialize_trampoline): Likewise.
12730 (sparc_use_sched_lookahead): Use zero for niagara.
12731 (sparc_issue_rate): Use one for niagara.
12732 * config/sparc/niagara.md: New file.
12733 * config/sparc/sparc.md: Include it.
12734 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12735 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12736 when default cpu is niagara.
12737 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12738 (ASM_CPU_SPEC): Likewise.
12739 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12740 when default cpu is niagara.
12741 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12742 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12743 just like v9/ultrasparc/ultrasparc3.
12744 * doc/invoke.texi: Add documentation for "niagara" and improve
12745 existing documentation for ultrasparc variants.
12747 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12749 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12751 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12753 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12754 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12755 and say that only one is needed.
12756 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12757 * target.h (have_switchable_bss_sections): New hook.
12758 * explow.c (use_anchored_address): Check that the symbol is in a block.
12759 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12760 (bss_noswitch_section): New variables.
12761 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12762 (get_noswitch_section): New function.
12763 (get_block_for_section): Allow SECT to be null.
12764 (unlikely_text_section_p): Use SECTION_STYLE.
12765 (bss_initializer_p): New function.
12766 (get_variable_section): Move earlier in file. Take a new argument,
12767 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12768 Return one of the new *_sections in such cases.
12769 (get_block_for_decl): New function, extracting some logic from
12770 use_blocks_for_decl_p.
12771 (change_symbol_section): Remove in favor of...
12772 (change_symbol_block): ...this new function.
12773 (use_blocks_for_decl_p): Remove checks now performed by
12774 get_block_for_decl.
12775 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12776 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12777 (emit_local, emit_bss, emit_common): ...these new functions.
12778 Return true if the alignment was honored.
12779 (emit_tls_common): New function.
12780 (asm_emit_uninitialised): Delete.
12781 (assemble_variable_noswitch): New function, split out from...
12782 (assemble_variable): ...here. Don't make decisions about common
12783 variables here. Globalize all public decls that go into non-common
12784 sections. Check whether SYMBOL_REF_BLOCK is null.
12785 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12786 (output_constant_pool): Likewise.
12787 (init_varasm_once): Initialize the new section variables.
12788 (have_global_bss_p): New function.
12789 (categorize_decl_for_section): Use bss_initializer_p.
12790 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12791 (place_block_symbol): Assert that the symbol must be in a block.
12792 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12793 (TARGET_INITIALIZER): Include it.
12794 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12795 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12796 (SECTION_MACH_DEP): Bump by two.
12797 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12798 (unnamed_section): Mention SECTION_UNNAMED in comment.
12799 (named_section): Likewise SECTION_NAMED.
12800 (noswitch_section_callback): New type.
12801 (noswitch_section): New structure.
12802 (section): Add a noswitch_section alternative.
12803 (SECTION_STYLE): New macro.
12804 (tls_comm_section, comm_section, lcomm_section): Declare.
12805 (bss_noswitch_section, have_global_bss_p): Declare.
12806 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12807 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12809 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12810 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12813 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12815 * tree-vrp.c (execute_vrp): Return value.
12816 * regrename.c (rest_of_handle_regrename): Ditto.
12817 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12818 * tree-complex.c (tree_lower_complex): Ditto.
12819 (tree_lower_complex_O0): Ditto.
12820 * tracer.c (rest_of_handle_tracer): Ditto.
12821 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12822 * postreload.c (rest_of_handle_postreload): Ditto.
12823 * tree-tailcall.c (execute_tail_recursion): Ditto.
12824 (execute_tail_calls): Ditto.
12825 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12826 * tree.h (init_function_for_compilation): Ditto.
12827 * ipa-cp.c (ipcp_driver): Ditto.
12828 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12829 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12830 * final.c (compute_alignments): Ditto.
12831 (rest_of_handle_final): Ditto.
12832 (rest_of_handle_shorten_branches): Ditto.
12833 (rest_of_clean_state): Ditto.
12834 * omp-low.c (execute_expand_omp): Ditto.
12835 (execute_lower_omp): Ditto.
12836 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12837 * ipa-reference.c (static_execute): Ditto.
12838 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12839 * reorg.c (rest_of_handle_delay_slots): Ditto.
12840 (rest_of_handle_machine_reorg): Ditto.
12841 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12842 * flow.c (recompute_reg_usage): Ditto.
12843 (rest_of_handle_remove_death_notes): Ditto.
12844 (rest_of_handle_life): Ditto.
12845 (rest_of_handle_flow2): Ditto.
12846 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12847 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12848 (do_ssa_store_ccp): Ditto.
12849 (execute_fold_all_builtins): Ditto.
12850 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12851 * modulo-sched.c (rest_of_handle_sms): Ditto.
12852 * ipa-pure-const.c (static_execute): Ditto.
12853 * cse.c (rest_of_handle_cse): Ditto.
12854 (rest_of_handle_cse2): Ditto.
12855 * web.c (rest_of_handle_web): Ditto.
12856 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12857 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12858 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12859 * tree-nrv.c (tree_nrv): Ditto.
12860 (execute_return_slot_opt): Ditto.
12861 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12862 (create_structure_vars): Ditto.
12863 * loop-init.c (rtl_loop_init): Ditto.
12864 (rtl_loop_done): Ditto.
12865 (rtl_move_loop_invariants): Ditto.
12866 (rtl_unswitch): Ditto.
12867 (rtl_unroll_and_peel_loops): Ditto.
12868 (rtl_doloop): Ditto.
12869 * gimple-low.c (lower_function_body): Ditto.
12870 (mark_used_blocks): Ditto.
12871 * tree-ssa-sink.c (execute_sink_code): Ditto.
12872 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12873 (cgraph_early_inlining): Ditto.
12874 * global.c (rest_of_handle_global_alloc): Ditto.
12875 * jump.c (cleanup_barriers): Ditto.
12876 (purge_line_number_notes): Ditto.
12877 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12878 (rest_of_handle_if_after_reload): Ditto.
12879 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12880 (tree_ssa_loop_im): Ditto.
12881 (tree_ssa_loop_unswitch): Ditto.
12882 (tree_vectorize): Ditto.
12883 (tree_linear_transform): Ditto.
12884 (tree_ssa_loop_ivcanon): Ditto.
12885 (tree_ssa_empty_loop): Ditto.
12886 (tree_ssa_loop_bounds): Ditto.
12887 (tree_complete_unroll): Ditto.
12888 (tree_ssa_loop_prefetch): Ditto.
12889 (tree_ssa_loop_ivopts): Ditto.
12890 (tree_ssa_loop_done): Ditto.
12891 * predict.c (tree_estimate_probability): Ditto.
12892 * recog.c (split_all_insns_noflow): Ditto.
12893 (rest_of_handle_peephole2): Ditto.
12894 (rest_of_handle_split_all_insns): Ditto.
12895 * tree-eh.c (lower_eh_constructs): Ditto.
12896 * regmove.c (rest_of_handle_regmove): Ditto.
12897 (rest_of_handle_stack_adjustments): Ditto.
12898 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12899 * function.c (instantiate_virtual_regs): Ditto.
12900 (init_function_for_compilation): Ditto.
12901 (rest_of_handle_check_leaf_regs): Ditto.
12902 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12903 (rest_of_handle_gcse): Ditto.
12904 * ipa-type-escape.c (type_escape_execute): Ditto.
12905 * alias.c (rest_of_handle_cfg): Ditto.
12906 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12907 * profile.c (rest_of_handle_branch_prob): Ditto.
12908 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12909 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12910 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12911 * tree-dfa.c (find_referenced_vars): Ditto.
12912 * except.c (set_nothrow_function_flags): Ditto.
12913 (convert_to_eh_region_ranges): Ditto.
12914 (rest_of_handle_eh): Ditto.
12915 * emit-rtl.c (unshare_all_rtl): Ditto.
12916 (remove_unnecessary_notes): Ditto.
12917 * except.h (set_nothrow_function_flags): Ditto.
12918 (convert_to_eh_region_ranges): Ditto.
12919 * cfgexpand.c (tree_expand_cfg): Ditto.
12920 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12921 * tree-ssa-pre.c (do_pre): Ditto.
12922 (execute_fre): Ditto.
12923 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12924 (rest_of_handle_jump2): Ditto.
12925 * tree-sra.c (tree_sra): Ditto.
12926 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12927 (execute_mudflap_function_decls): Ditto.
12928 * tree-ssa-copy.c (do_copy_prop): Ditto.
12929 (do_store_copy_prop): Ditto.
12930 * ipa-prop.h (ipcp_driver): Ditto.
12931 * cfglayout.c (insn_locators_initialize): Ditto.
12932 * tree-ssa-forwprop.c
12933 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12934 * cfglayout.h (insn_locators_initialize): Ditto.
12935 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12936 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12937 (execute_late_warn_uninitialized): Ditto.
12938 * rtl.h (cleanup_barriers): Ditto.
12939 (split_all_insns_noflow): Ditto.
12940 (purge_line_number_notes): Ditto.
12941 (unshare_all_rtl): Ditto.
12942 (remove_unnecessary_notes): Ditto.
12943 (recompute_reg_usage): Ditto.
12944 (variable_tracking_main): Ditto.
12945 * integrate.c (emit_initial_value_sets): Ditto.
12946 * integrate.h (emit_initial_value_sets): Ditto.
12947 * tree-optimize.c (execute_free_datastructures): Ditto
12948 (execute_free_cfg_annotations): Ditto.
12949 (execute_fixup_cfg): Ditto.
12950 (execute_cleanup_cfg_pre_ipa): Ditto.
12951 (execute_cleanup_cfg_post_optimizing): Ditto.
12952 (execute_init_datastructures): Ditto.
12953 * tree-object-size.c (compute_object_sizes): Ditto.
12954 * combine.c (rest_of_handle_combine): Ditto.
12955 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12956 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12957 (rest_of_handle_reorder_blocks): Ditto.
12958 (rest_of_handle_partition_blocks): Ditto.
12959 * var-tracking.c (variable_tracking_main): Ditto.
12960 * tree-profile.c (tree_profiling): Ditto.
12961 * tree-vect-generic.c (expand_vector_operations): Ditto.
12962 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12963 * sched-rgn.c (rest_of_handle_sched): Ditto.
12964 (rest_of_handle_sched2): Ditto.
12965 * basic-block.h (free_bb_insn): Ditto.
12966 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12967 * tree-cfg.c (execute_build_cfg): Ditto.
12968 (remove_useless_stmts): Ditto.
12969 (split_critical_edges): Ditto.
12970 (execute_warn_function_return): Ditto.
12971 (execute_warn_function_noreturn): Ditto.
12972 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12973 * cfgrtl.c (free_bb_for_insn): Ditto.
12974 * passes.c (execute_one_pass): Run additional
12975 todos returned by execute function.
12976 * tree-pass.h (struct tree_opt_pass): Make execute
12979 2006-03-02 Richard Guenther <rguenther@suse.de>
12981 * tree-ssa-alias.c (find_used_portions): Consider taking
12982 the address as making the variable not write-only.
12984 2006-03-02 Nick Clifton <nickc@redhat.com>
12986 * config.gcc (default_use_cxa_atexit): Extend the description of
12987 this configure variable. Set its default value to "yes" for
12988 Linux, NetBSD and ELF targets on the assumption that they will
12989 use C libraries with the __cxa_atexit function.
12991 2006-03-02 Ben Elliston <bje@au.ibm.com>
12993 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12994 parameter as unused to suppress a build warning.
12996 2006-03-02 Ben Elliston <bje@au.ibm.com>
12998 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13001 2006-03-01 Roger Sayle <roger@eyesopen.com>
13004 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13005 declared name, the weak reference name, and the typeof name.
13006 (__gthrw): Avoid expanding the declared name suffix.
13007 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13009 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13011 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13013 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13014 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13015 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13016 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13017 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13018 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13019 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13020 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13021 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13022 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13023 (DW_END_default, DW_END_big, DW_END_little): New.
13024 (DW_END_lo_user, DW_END_hi_user): Define.
13025 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13026 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13027 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13030 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13032 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13034 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13036 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13038 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13040 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13041 to 'symbol_mem_tag'.
13043 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13046 2006-03-01 Roger Sayle <roger@eyesopen.com>
13048 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13050 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13053 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13054 MACHO_DYNAMIC_NO_PIC_P.
13055 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13057 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13060 * config/darwin-protos.h (darwin_asm_output_anchor):
13062 * config/darwin-sections.def (cstring_section):
13063 Add SECTION_MERGE to the flags.
13064 (literal4_section): Likewise.
13065 (literal8_section): Likewise.
13066 (objc_selector_refs_section): Likewise.
13067 (objc_cls_refs_section): Likewise.
13068 * config/darwin.c (darwin_asm_output_anchor): New
13070 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13072 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13074 Fix PR tree-optimization/26443
13075 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13076 to todo and PROP_tmt_usage to properties_destroyed.
13077 * tree-ssa-ccp.c (pass_ccp): Ditto.
13078 (pass_store_ccp): Ditto.
13079 * tree-ssa-dom.c (pass_dominator): Ditto.
13081 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13083 * tree-ssa-operands.c: Cleanup whitespace.
13084 (get_asm_expr_operands): Move before first invocation.
13085 (get_indirect_ref_operands): Likewise.
13086 (get_tmr_operands): Likewise.
13087 (get_call_expr_operands): Likewise.
13088 (append_def): Likewise.
13089 (append_use): Likewise.
13090 (append_v_may_def): Likewise.
13091 (append_v_must_def): Likewise.
13092 (add_call_clobber_ops): Likewise.
13093 (add_call_read_ops): Likewise.
13094 (add_stmt_operand): Likewise.
13095 (add_virtual_operand): Likewise.
13096 (build_ssa_operands): Likewise.
13098 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13100 PR middle-end/26022
13102 PR middle-end/24437
13103 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13104 with a call expr to ...
13105 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13107 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13109 * tree-vrp.c (extract_range_from_assert): Remove special
13110 handling for types with super-types.
13112 2006-03-01 Ben Elliston <bje@au.ibm.com>
13114 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13115 and powerpc64-*-linux* configurations.
13116 * config/t-dfprules: New file.
13118 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13119 Compile dfp-bit.c from the source directory using -DWIDTH and
13120 $DFP_CFLAGS to control the compilation of that file, rather than
13121 generating width-specific versions in the build directory.
13122 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13123 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13125 2006-02-28 Zack Weinberg <zackw@panix.com>
13127 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13130 2006-02-28 Eric Christopher <echristo@apple.com>
13132 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13133 Set up IN_LIBGCC definition of TARGET_64BIT.
13134 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13136 2006-02-28 Roger Sayle <roger@eyesopen.com>
13138 PR middle-end/14752
13139 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13140 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13141 cases via the construction of "expr != 0".
13143 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13145 * alias.c (alias_invariant, alias_invariant_size): Remove.
13146 (record_base_value): Remove.
13147 (memrefs_conflict_p): Don't look at alias_invariant.
13148 (end_alias_analysis): Don't free it.
13149 * alias.h (record_base_value): Remove prototype.
13151 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13152 Adam Nemet <anemet@caviumnetworks.com>
13154 * rtl.h (truncated_to_mode): Declare it.
13155 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13156 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13157 (RTL_HOOKS_INITIALIZER): Include it.
13158 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13159 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13160 reg_truncated_to_mode.
13161 * rtlanal.c (truncated_to_mode): Define it.
13162 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13164 2006-02-28 Jeff Law <law@redhat.com>
13166 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13167 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13168 the range allowed by TYPE_PRECISION.
13170 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13172 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13174 PR tree-optimization/26419
13175 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13178 2006-02-27 Zack Weinberg <zackw@panix.com>
13180 * doc/md.texi: Fix typo in previous change.
13182 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13186 2006-02-27 Zack Weinberg <zackw@panix.com>
13188 * rtl.def (define_constraint, define_register_constraint)
13189 (define_memory_constraint, define_address_constraint): New MD forms.
13190 * gensupport.c (process_rtx): Put define_constraint etc on the
13192 * genpreds.c (process_define_predicate): Adjust comment. Validate
13193 the name, and call validate_exp to validate the expression.
13194 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13195 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13196 all callers changed.
13197 (validate_exp, needs_variable, struct constraint_data)
13198 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13199 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13200 (const_dbl_constraints, constraint_max_namelen)
13201 (have_register_constraints, have_memory_constraints)
13202 (have_address_constraints, have_address_constraints)
13203 (have_extra_constraints, have_const_int_constraints)
13204 (have_const_dbl_constraints, mangle, add_constraint)
13205 (process_define_constraint, process_define_register_constraint)
13206 (write_enum_constraint_num, write_lookup_constraint)
13207 (write_insn_constraint_len, write_regclass_for_constraint)
13208 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13209 (write_insn_extra_memory_constraint)
13210 (write_insn_extra_address_constraint)
13211 (write_satisfies_constraint_fns): New.
13212 (write_tm_preds_h): If we have new-style constraint definitions,
13213 prototype the functions generated from them, and define the
13214 old constraint interface (still used by generic code) in terms of
13216 (write_insn_preds_c): If we have new-style constraint definitions,
13217 generate all relevant functions from those definitions.
13218 (main): Handle define_constraint etc.
13219 * genoutput.c (struct constraint_data, indep_constraints)
13220 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13221 (mdep_constraint_len): New data structures and functions, defined
13222 #ifdef USE_MD_CONSTRAINTS.
13223 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13224 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13225 use new logic to validate operand constraints against constraint
13227 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13229 * defaults.h: If none of the old-style constraint macros are
13230 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13231 old-style macros; and poison REG_CLASS_FROM_LETTER,
13232 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13234 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13235 * doc/md.texi: Document new constraint-definition mechanism and the
13236 C interface it provides. Remove references to old mechanism
13237 elsewhere in the document.
13238 (Machine Constraints): Use pathnames relative to gcc directory,
13239 i.e. config/ARCH/FILE. Change i386 section to refer to
13240 config/i386/predicates.md; update that section to match docstrings.
13241 * doc/tm.texi: Move all documentation of the old constraint-
13242 definition macros to their own section, clearly mark as obsolete.
13244 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13245 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13247 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13248 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13249 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13250 constraint strings.
13251 (splits and peepholes): Use satisfies_constraint_*.
13252 * config/i386/i386.c (memory_address_length)
13253 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13255 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13257 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13258 scalar operation to be put back into the loop.
13260 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13263 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13264 (extract_cie_info): Handle S flag in augmentation string.
13265 (execute_cfa_program): If context->signal_frame, execute also
13266 fs->pc == context->ra instructions.
13267 (uw_frame_state_for): If context->signal_frame, don't subtract one
13268 from context->ra to find FDE.
13269 (uw_update_context_1): Set context->signal_frame to
13271 (_Unwind_GetIPInfo): New function.
13272 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13273 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13275 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13276 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13277 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13278 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13279 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13280 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13281 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13282 x86_64_fallback_frame_state): Set fs->signal_frame.
13283 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13284 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13285 (frob_update_context): Likewise. Workaround missing S flag in
13286 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13287 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13288 Remove the psw_addr + 1 hack.
13290 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13292 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13293 with aggregates here.
13294 (find_func_aliases): Remove code for &<aggregate> from here.
13296 2006-02-26 Roger Sayle <roger@eyesopen.com>
13298 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13299 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13300 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13301 as (X & C) ne/eq 0.
13303 2006-02-26 Roger Sayle <roger@eyesopen.com>
13305 PR middle-end/19983
13306 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13308 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13310 * opts.c (decode_options): Do not handle flag_strength_reduce.
13311 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13312 and OPT_fstrength_reduce.
13313 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13314 flag_prefetch_loop_arrays for being nonzero.
13315 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13317 (fprefetch-loop-arrays-rtl): Removed.
13318 (flag_prefetch_loop_arrays): Do not specify the value.
13320 * doc/passes.texi: Update documentation of loop optimizer
13322 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13323 -frerun-loop-opt): Remove.
13325 2006-02-26 Richard Guenther <rguenther@suse.de>
13327 PR tree-optimization/26421
13328 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13329 in function calls that are ADDR_EXPRs as using the whole structure.
13331 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13333 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13334 * tree-pass.h (pass_loop_optimize): Remove.
13335 * passes.c (pass_loop_optimize): Never run it.
13336 * toplev.c (backend_init): Don't call init_loop.
13337 * opts.c (flag_loop_optimize_set): Remove.
13338 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13339 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13340 the old RTL loop optimizer when profiling enabled.
13341 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13342 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13343 pre-headers for the sake of the old RTL loop optimizer.
13344 * Makefile.in: Remove all references to loop.o.
13346 * doc/invoke.texi: Remove all references to -floop-optimize
13347 and -frerun-loop-opt.
13349 2006-02-26 Zack Weinberg <zackw@panix.com>
13351 * doc/md.texi (Machine Constraints): Refer to all files with paths
13352 relative to gcc directory (i.e. config/CPU/file). Add missing
13353 @table @code ... @end table to M32C subsection.
13355 2006-02-26 Roger Sayle <roger@eyesopen.com>
13357 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13359 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13361 2006-02-26 Roger Sayle <roger@eyesopen.com>
13362 James A. Morrison <phython@gcc.gnu.org>
13364 PR middle-end/21137
13365 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13366 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13367 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13368 signedness of the shift operation.
13370 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13372 PR tree-optimization/26359
13373 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13375 2006-02-25 Roger Sayle <roger@eyesopen.com>
13377 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13378 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13379 as X == 0, and some symmetry related transformations.
13380 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13382 2006-02-25 Roger Sayle <roger@eyesopen.com>
13384 PR middle-end/23673
13385 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13386 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13387 symmetry related transformations. Fold (X^C1) == C2 as
13390 2006-02-25 Juergen Weigert <jw@suse.de>
13391 Richard Guenther <rguenther@suse.de>
13393 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13395 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13397 * combine.c (gen_lowpart_or_truncate): Call
13398 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13400 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13402 * doc/invoke.texi: Move -fopenmp description to "Options for
13404 Remove reference to -lgomp.
13406 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13408 * doc/install.texi: Require GNU tar version 1.14.
13410 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13412 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13413 * doc/invoke.texi (C++ Dialect Options): Document
13414 -fno-use-cxa-get-exception-ptr.
13415 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13416 * configure: Regenerate.
13417 * c.opt (fuse-cxa-get-exception-ptr): New.
13418 * c-opts.c (c_common_handle_option): Handle
13419 OPT_fuse_cxa_get_exception_ptr.
13420 * c-common.c (flag_use_cxa_atexit): Update documentation.
13421 (flag_use_cxa_get_exception_ptr): New.
13422 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13423 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13425 (C_COMMON_OVERRIDE_OPTIONS): New.
13427 2006-02-24 Roger Sayle <roger@eyesopen.com>
13429 PR middle-end/24952
13430 * combine.c (try_combine): Explicitly check whether GET_CODE is
13431 a SET or a CLOBBER, instead on checking that it isn't a USE.
13433 2006-02-24 Roger Sayle <roger@eyesopen.com>
13435 * fold-const.c (fold_comparison): New subroutine of fold_binary
13436 containing transformations common to both the equality and
13437 ordering relational operators, factored out of fold_binary.
13438 (fold_binary): Separate out the equality operators (EQ_EXPR
13439 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13440 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13441 transformations common to both.
13442 (fold_div_compare): Fix latent bugs in the previously unreachable
13443 LT_EXPR and GE_EXPR cases.
13445 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13447 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13448 decl libname for clog to __clog on AIX.
13450 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13452 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13455 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13456 output traceback table for thunks. Localise rs6000_stack_info call.
13458 2006-02-23 Roger Sayle <roger@eyesopen.com>
13459 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13461 * gthr-posix.h (__gthrw): Fix typo in comment.
13463 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13465 * doc/cpp.texi (Character sets): Document that we do support
13466 input files to be in any character set.
13468 2006-02-23 Jeff Law <law@redhat.com>
13470 * tree.h (PHI_ARG_NONZERO): Remove.
13471 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13472 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13473 node to the new node.
13475 PR tree-optimization/26425
13476 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13477 min/max, then assume its varying.
13479 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13481 PR rtl-optimization/26316
13482 * rtlanal.c (enum may_trap_p_flags): New.
13483 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13484 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13485 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13486 (may_trap_after_code_motion_p): New function.
13487 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13488 (find_invariant_insn): Use may_trap_after_code_motion_p.
13489 * rtl.h (may_trap_after_code_motion_p): Declare.
13491 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13493 * emit-rtl.c (immed_double_const): Cleanup.
13495 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13497 Fix PR tree-optimization/26376
13498 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13501 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13503 PR middle-end/26412
13504 * gimplify.c (omp_add_variable): Guard variable size decl test with
13505 DECL_SIZE (decl) check.
13507 2006-02-23 Richard Guenther <rguenther@suse.de>
13509 PR middle-end/26439
13510 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13511 like aggregate types.
13513 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13515 * configure.ac: Add --with{,out}-long-double-128 configure option.
13516 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13517 * configure: Rebuilt.
13518 * config.in: Rebuilt.
13519 * doc/install.texi (Options specification): Document
13520 --with-long-double-128.
13522 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13523 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13524 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13525 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13527 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13529 * config/s390/s390.c (override_options): Handle
13530 TARGET_DEFAULT_LONG_DOUBLE_128.
13532 * config/alpha/alpha.c (override_options): Handle
13533 TARGET_DEFAULT_LONG_DOUBLE_128.
13535 * config/sparc/sparc.c (sparc_override_options): Handle
13536 TARGET_DEFAULT_LONG_DOUBLE_128.
13538 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13540 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13541 (real-install-headers-tar, real-install-headers-cpio)
13542 (real-install-headers-cp): New targets.
13544 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13546 * tree.h (variable_section): Delete.
13547 * varasm.c (variable_section): Delete.
13549 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13551 * install.texi: Add notes on install.texi2html.
13552 (Building in parallel): Do not use footnotes.
13554 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13557 * doc/install.texi (Configuration): Document --disable-libgomp.
13559 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13561 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13563 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13565 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13566 (vec_extractv2df_0_sse): New.
13568 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13570 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13571 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13572 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13573 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13574 to the result of the expression.
13575 (def_cfa_1): Adjust.
13576 (frame_pointer_cfa_offset): Rename to...
13577 (frame_pointer_fb_offset): ... this. Adjust all uses.
13578 (convert_cfa_to_loc_list): Rename to...
13579 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13580 Pass it on to build_cfa_loc.
13581 (compute_frame_pointer_to_cfa_displacement): Rename to...
13582 (compute_frame_pointer_to_fb_displacement): ... this. New
13583 offset parameter. Use it in computation.
13584 (gen_subprogram_die): Compute cfa_fb_offset with the new
13585 macro, and use it to compute the fb loc list and the
13588 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13590 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13591 replaced with register_operand.
13592 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13593 non-DREG is expensive.
13594 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13595 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13598 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13600 * doc/install.texi2html: Use set -e.
13602 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13604 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13605 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13606 * doc/invoke.texi (-fshared-data): Delete.
13607 * common.opt (fshared-data): Delete.
13608 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13609 (assemble_static_space): Remove #if 0 code.
13610 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13611 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13612 * config/cris/cris.h: Remove FIXME.
13614 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13616 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13619 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13621 PR middle-end/26379
13622 * combine.c (simplify_shift_const_1): Disable nested shifts
13623 optimization for vector shifts.
13625 2006-02-20 Roger Sayle <roger@eyesopen.com>
13627 PR tree-optimization/26361
13628 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13629 of unsigned integer types.
13631 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13633 * tree-chrec.c (eq_evolutions_p): New.
13634 * tree-chrec.h (eq_evolutions_p): Declared.
13635 * tree-data-ref.c: Fix formatting.
13636 (datadep_stats, dependence_stats): New.
13638 (print_direction_vector): New.
13639 (dump_data_dependence_relation): Use print_direction_vector.
13640 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13641 (compute_subscript_distance): Static.
13642 (initialize_data_dependence_relation): Static. Get the number
13643 of loops surrounding the references from the callers, and initialize
13644 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13645 base_object_differ_p analyzers.
13646 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13647 compute_overlap_steps_for_affine_1_2,
13648 analyze_subscript_affine_affine): Count the classified dependences.
13649 Print a message when a test failed.
13650 (can_use_analyze_subscript_affine_affine): New.
13651 (analyze_siv_subscript): Compute the data dependences on symbolic
13652 scevs that verify can_use_analyze_subscript_affine_affine.
13653 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13654 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13655 Handle symbolic scevs.
13656 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13658 (subscript_dependence_tester): Moved...
13659 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13660 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13661 DDR_SIZE_VECT instead of getting it in parameter.
13662 (subscript_dependence_tester): ... here. Take as a parameter
13663 loop_nest_depth. Call build_classic_dist_vector and
13664 build_classic_dir_vector.
13665 (compute_affine_dependence): Update subscript_dependence_tester
13666 parameters. Update datadep_stats counters. Call
13667 compute_subscript_distance.
13668 (compute_self_dependence): Save the dist and dir vectors. Call
13669 compute_subscript_distance.
13670 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13671 (compute_all_dependences): Reorder parameters as they were before
13672 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13673 compute_subscript_distance. Update the use of
13674 compute_affine_dependence and initialize_data_dependence_relation.
13675 (find_data_references_in_loop): Handle COMPONENT_REF.
13676 (compute_data_dependences_for_loop): Initialize dependence_stats.
13677 Don't call build_classic_dist_vector and build_classic_dir_vector.
13678 Update the parameters of initialize_data_dependence_relation and
13679 compute_all_dependences. Print the statistics from datadep_stats.
13680 (analyze_all_data_dependences): Static. Not used until the pass for
13681 checking the data dependences is contributed.
13682 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13683 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13684 (initialize_data_dependence_relation, compute_affine_dependence,
13685 analyze_all_data_dependences, compute_subscript_distance): Removed.
13686 (print_direction_vector): New.
13687 * lambda.h (gcd): ... here.
13688 (lambda_vector_gcd): Moved here from gcd_vector.
13689 * lambda-code.c (gcd, gcd_vector): Removed.
13690 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13691 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13693 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13695 * ipa-type-escape.c: Tidy some comments and white space.
13696 * tree-ssa-operands.c: Likewise.
13698 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13701 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13702 (dump_decl_name): Do not walk the decl tree chains.
13703 * tree-pass.h (TDF_CHAIN): Remove.
13705 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13707 * Makefile.in (C): Remove
13709 (.PHONY): Remove C and PROTO
13711 2006-02-20 Roger Sayle <roger@eyesopen.com>
13713 PR middle-end/26236
13714 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13715 deprecated CHAR_TYPE tree code.
13717 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13719 * configure.ac (target_list): Add install-info, dvi, html.
13720 * configure: Regenerate.
13722 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13723 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13724 treelang/Make-lang.in: Do not use double-colon rules.
13726 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13728 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13729 (TMT_USED_ALONE): New macro.
13730 * tree-pass.h (PROP_tmt_usage): New property.
13731 (TODO_update_tmt_usage): New todo.
13732 * tree-ssa-alias.c (updating_used_alone): New variable.
13733 (recalculate_used_alone): New function.
13734 (compute_may_aliases): Set updating_used_alone, call
13735 recalculate_used_alone.
13736 * tree-sra.c (pass_sra): Note that this pass destroys
13737 PROP_tmt_usage, and add TODO_update_tmt_usage.
13738 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13739 * tree-flow.h (updating_used_alone): Prototype.
13740 (recalculate_used_alone): Ditto.
13741 * passes.c (execute_todo): Add code to set updating_used_alone,
13742 and call recalculate.
13743 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13744 for clobber if used alone, and add assert to verify used_alone
13747 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13749 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13750 for non tls symbols added.
13751 (legitimize_address): Do nothing for PLUS expressions if one of the
13752 addends is a tls symbol reference.
13754 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13758 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13760 * Makefile.in (BOOTSTRAPPING): New.
13761 (quickstrap): New definition if BOOTSTRAPPING=yes.
13763 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13764 * configure.ac: Substitute all_selected_languages with the languages
13765 that were configured. For all the other variables except
13766 lang_specs_files, include all the languages in the tree.
13767 * configure: Regenerate.
13769 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13770 if there is one. Run the commands to run fixincludes in the same
13773 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13774 * doc/install.texi: Document exact conventions for searching target tools.
13775 Document --with-build-time-tools. Document toplevel bootstrap. Document
13776 something more about building an Ada cross-compiler. Don't list GNU Make
13777 requirements which affect all platforms.
13779 2006-02-19 Roger Sayle <roger@eyesopen.com>
13781 PR middle-end/19543
13782 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13783 only equivalent if the have both the same mode and precision.
13785 2006-02-20 Ben Elliston <bje@au.ibm.com>
13787 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13789 2006-02-19 Roger Sayle <roger@eyesopen.com>
13790 Steven Bosscher <stevenb.gcc@gmail.com>
13792 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13793 constant pool references to identify stack mode constants.
13794 * rtlanal.c (constant_pool_constant_p): New predicate to check
13795 whether operand is a floating point constant in the pool.
13796 * rtl.h (constant_pool_constant_p): Prototype here.
13797 * loop.c (scan_loop): Avoid hoisting constants from the constant
13798 pool on STACK_REGS targets.
13799 (load_mems): Likewise.
13800 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13801 loads into x87 registers expensive in terms of register pressure.
13803 2006-02-19 Roger Sayle <roger@eyesopen.com>
13805 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13806 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13808 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13810 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13811 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13813 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13815 * doc/invoke.texi: Document -fipa-pta.
13816 * common.opt: Add ipa-pta option.
13817 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13818 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13819 (do_ds_constraint): Ditto.
13820 (get_constraint_for): Only add to referenced_vars if
13821 referenced_vars exists.
13822 (insert_into_field_list): Rewrite to do this unsorted.
13823 (insert_into_field_list_sorted): Rename old insert_into_field_list
13825 (create_function_info_for): Use insert_into_field_list_sorted.
13826 (create_variable_info_for): Rewrite so it uses unsorted version,
13827 since the field list is sorted.
13828 (intra_create_variable_infos): Only add to referenced_vars if
13829 referenced_vars exists.
13830 (ipa_pta_execute): Init heapvars, and delete when done.
13831 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13833 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13835 * doc/install.texi: Add missing `@samp'.
13837 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13839 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13842 2006-02-18 Mark Wielaard <mark@klomp.org>
13844 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13845 who added new 4.1 features, bug fixes and integration support.
13847 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13850 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13851 MEM for ABI_V4 pic.
13853 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13855 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13856 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13857 (copy_insn_1): Likewise. Don't copy each field individually.
13859 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13861 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13862 * rtl.c (rtx_size): Rename variable to...
13863 (rtx_code_size): ...this.
13864 (rtx_size): New function.
13865 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13866 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13868 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13869 * rtl.h (rtx_code_size): New variable.
13870 (rtx_size): Change from a variable to a function.
13871 (RTX_SIZE): Rename to...
13872 (RTX_CODE_SIZE): ...this.
13875 PR tree-optimization/17106
13876 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13877 (Anchored Addresses): New section.
13878 * doc/invoke.texi (-fsection-anchors): Document.
13879 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13880 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13881 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13882 * hooks.c (hook_bool_mode_rtx_false): New function.
13883 * hooks.h (hook_bool_mode_rtx_false): Declare.
13884 * gengtype.c (create_optional_field): New function.
13885 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13886 SYMBOL_REF_IN_BLOCK_P is true.
13887 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13888 (min_anchor_offset, max_anchor_offset): Likewise.
13889 (use_anchors_for_symbol_p): New hook.
13890 * toplev.c (compile_file): Call output_object_blocks.
13891 (target_supports_section_anchors_p): New function.
13892 (process_options): Check that -fsection-anchors is only used on
13893 targets that support it and when -funit-at-a-time is in effect.
13894 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13895 if the decl doesn't have one.
13896 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13897 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13898 of force_const_mem through use_anchored_address.
13899 (expand_expr_constant): New function.
13900 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13901 calling expand_expr for INDIRECT_REF.
13902 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13903 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13904 * expr.h (use_anchored_address): Declare.
13905 * loop-unroll.c: Don't declare rtx vectors here.
13906 * explow.c: Include output.h.
13907 (validize_mem): Call use_anchored_address.
13908 (use_anchored_address): New function.
13909 * common.opt (-fsection-anchors): New switch.
13910 * varasm.c (object_block_htab, anchor_labelno): New variables.
13911 (hash_section, object_block_entry_eq, object_block_entry_hash)
13912 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13913 (use_blocks_for_decl_p, change_symbol_section): New functions.
13914 (get_variable_section): New function, split out from assemble_variable.
13915 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13916 use_blocks_for_decl_p say so. Use change_symbol_section if the
13917 symbol has already been created.
13918 (assemble_variable_contents): New function, split out from...
13919 (assemble_variable): ...here. Don't output any code for
13920 block symbols; just pass them to place_block_symbol.
13921 Use get_variable_section and assemble_variable_contents.
13922 (get_constant_alignment, get_constant_section, get_constant_size): New
13923 functions, split from output_constant_def_contents.
13924 (build_constant_desc): Create a block symbol if use_object_blocks_p
13925 says so. Or into SYMBOL_REF_FLAGS.
13926 (assemble_constant_contents): New function, split from...
13927 (output_constant_def_contents): ...here. Don't output any code
13928 for block symbols; just pass them to place_section_symbol.
13929 Use get_constant_section and get_constant_alignment.
13930 (force_const_mem): Create a block symbol if use_object_blocks_p and
13931 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13932 (output_constant_pool_1): Add an explicit alignment argument.
13933 Don't switch sections here.
13934 (output_constant_pool): Adjust call to output_constant_pool_1.
13935 Switch sections here instead. Don't output anything for block symbols;
13936 just pass them to place_block_symbol.
13937 (init_varasm_once): Initialize object_block_htab.
13938 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13939 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13940 (place_block_symbol, get_section_anchor, output_object_block)
13941 (output_object_block_htab, output_object_blocks): New functions.
13942 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13943 (TARGET_ASM_OUT): Include it.
13944 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13945 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13946 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13947 (TARGET_INITIALIZER): Include them.
13948 * rtl.c (rtl_check_failed_block_symbol): New function.
13949 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13950 (block_symbol, object_block): New structures.
13951 (rtx_def): Add a block_symbol field to the union.
13952 (BLOCK_SYMBOL_CHECK): New macro.
13953 (rtl_check_failed_block_symbol): Declare.
13954 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13955 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13956 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13957 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13958 * output.h (output_section_symbols): Declare.
13959 (object_block): Name structure.
13960 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13961 (default_use_anchors_for_symbol_p): Declare.
13962 * Makefile.in (RTL_BASE_H): Add vec.h.
13963 (explow.o): Depend on output.h.
13964 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13965 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13966 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13967 (rs6000_use_blocks_for_constant_p): New function.
13969 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13971 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13973 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13976 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13979 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13981 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13985 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13987 PR middle-end/26334
13988 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13989 instead of DECL_REGISTER.
13991 2006-02-18 Olivier Hainque <hainque@adacore.com>
13994 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13996 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13999 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14000 * opth-gen.awk: Handle Var and InverseMask together.
14001 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14002 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14003 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14004 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14006 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14007 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14008 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14009 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14010 LINUX_DYNAMIC_LINKER): Define.
14011 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14012 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14014 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14015 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14016 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14017 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14018 (TARGET_C99_FUNCTIONS): Don't define.
14019 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14020 GLIBC_DYNAMIC_LINKER.
14021 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14022 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14023 GLIBC_DYNAMIC_LINKER64): Define.
14024 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14025 LINUX_DYNAMIC_LINKER64.
14026 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14027 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14028 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14029 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14030 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14031 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14032 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14033 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14034 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14035 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14036 and LINUX_DYNAMIC_LINKER32.
14037 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14038 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14039 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14040 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14041 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14043 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14044 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14045 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14046 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14047 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14048 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14049 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14050 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14051 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14052 LINUX_DYNAMIC_LINKER): Define.
14053 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14054 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14055 GLIBC_DYNAMIC_LINKER64): Define.
14056 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14057 LINUX_DYNAMIC_LINKER64.
14058 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14059 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14060 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14061 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14062 LINUX_DYNAMIC_LINKER): Define.
14063 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14064 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14065 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14066 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14067 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14068 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14069 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14070 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14071 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14072 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14073 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14074 * doc/invoke.texi (-muclibc): Remove caveat about supported
14077 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14079 * doc/cpp.texi (__TIMESTAMP__): Document.
14081 2006-02-17 Roger Sayle <roger@eyesopen.com>
14083 PR middle-end/25600
14084 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14085 C is one less than the width of X (and related transformations).
14086 * simplify-rtx.c (simplify_unary_operation_1): Transform
14087 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14088 depending on STORE_FLAG_VALUE, were C is one less then the
14091 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14093 Fix PR tree-optimization/26341
14094 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14095 about NAME_MEMORY_TAG's.
14097 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14100 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14101 with hardware float support, and software float support. Add fcpy
14102 alternative to hardware patterns. Add alternatives to copy between
14103 general and floating-point registers to the 32-bit pattern.
14104 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14105 secondary reload to load a QI or HI mode constant into a floating
14107 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14108 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14110 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14113 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14115 (load_macho_picbase_di): Likewise.
14117 2006-02-16 Jeff Law <law@redhat.com>
14119 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14120 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14121 (ssa_name_nonzero_p): Likewise.
14122 (get_value_range): Return NULL if VRP is not running.
14123 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14124 VRP routines do not discover a range.
14125 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14126 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14127 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14128 (tree_expr_nonnegative_p): Similarly.
14129 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14130 (restore_nonzero_vars_to_original_value): Remove.
14131 (unsafe_associative_fp_binop): Remove.
14132 (tree_ssa_dominator_optimize): Remove initialization and
14133 finalization of nonzero_vars and nonzero_vars_stack.
14134 (dom_opt_initialize_block): No longer push marker on
14135 nonzero_vars_stack.
14136 (dom_opt_finalize_block): No longer call
14137 restore_nonzero_vars_to_original_value.
14138 (record_equivalences_from_phis): No longer look for
14139 nonzero PHI arguments.
14140 (cprop_into_successor_phis): No longer propagate nonzero
14141 property into PHI arguments. Lose unused argument. Caller
14143 (record_equivalences_from_stmt): No longer record nonzero
14144 values for SSA_NAMEs.
14145 (lookup_avail_expr): No longer use nonzero_vars.
14147 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14148 for sizetype when sizetype is unsigned.
14150 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14152 PR rtl-optimization/25603
14153 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14154 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14155 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14156 with new meaning of SETS.
14158 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14163 * config/linux.opt: New file.
14164 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14165 LINUX_DYNAMIC_LINKER): Define.
14166 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14167 * config.gcc (*-*-linux*): Define extra_options.
14168 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14169 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14170 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14171 GLIBC_DYNAMIC_LINKER.
14172 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14173 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14174 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14175 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14176 * doc/invoke.texi (GNU/Linux Options): New section.
14178 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14180 * config/sparc/sparc.md (setjmp): Rewrite.
14181 (setjmp_32): Delete.
14182 (setjmp_64): Likewise.
14184 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14186 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14189 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14191 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14194 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14196 PR rtl-optimization/26296
14197 * Makefile.in (loop-invariant.c): Add except.h dependency.
14198 * loop-invariant.c: Include except.h.
14199 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14201 2005-02-16 Paul Brook <paul@codesourcery.com>
14203 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14206 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14208 PR rtl-optimization/25636
14209 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14210 when deciding whether an insn is an initializing insn.
14212 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14214 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14215 (tree_code_size): Ditto.
14216 * tree.h (struct tree_memory_tag): Remove parent_var.
14217 (struct tree_struct_field_tag): New.
14220 (union tree_node): Add sft member.
14221 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14223 (create_sft): Add size and offset argument, set SFT_OFFSET and
14225 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14226 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14227 * tree-flow-inline.h (get_subvar_at): Update for
14228 SFT_OFFSET/SFT_SIZE.
14229 (var_can_have_subvars): Ditto.
14230 (overlap_subvar): Ditto.
14231 * print-tree.c (print_node): Print out interesting things for
14233 * tree-flow.h (struct subvar): Remove offset and size members.
14234 * tree-ssa-operands.c (get_expr_operands): Update for
14235 get_indirect_ref_operands changes.
14236 (get_indirect_ref_operands): Call add_virtual_operand instead of
14237 add_stmt_operand. Only recurse on base var if requested.
14238 (access_can_touch_variable): New function.
14239 (add_stmt_operand): Split virtual operand handling into ...
14240 (add_virtual_operand): Here. Add offset, size, and for_clobber
14241 arguments. Prune alias sets.
14242 (add_call_clobber_ops): Call add_virtual_operand.
14244 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14246 PR middle-end/26300
14247 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14249 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14250 than TREE_CODE as index into omp_clause_num_ops array.
14252 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14254 PR rtl-optimization/26184
14255 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14257 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14258 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14259 must_precede, must_follow and tobe_scheduled.
14262 * opts.c (common_handle_option): Free new_option pointer.
14263 * df-core.c (df_analyze): Free postorder pointer.
14265 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14267 * Makefile.in: Fix the examples about the use of stamps
14269 2006-02-15 Michael Matz <matz@suse.de>
14271 PR middle-end/22275
14273 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14274 influenced by maximum_field_alignment or DECL_PACKED.
14275 (update_alignment_for_field): Ditto.
14276 (place_field): Ditto.
14277 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14280 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14282 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14283 (debug_flow_info): Pass it.
14284 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14285 * bb-reorder.c (reorder_basic_blocks): Likewise.
14286 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14287 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14288 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14289 * gcse.c (gcse_main, bypass_jumps): Likewise.
14290 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14291 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14292 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14293 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14294 * rtl.h (dump_flow_info): Adjust prototype.
14295 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14296 * var-tracking.c (variable_tracking_main): Likewise.
14297 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14298 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14301 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14303 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14306 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14308 PR tree-optimization/26209
14309 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14310 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14312 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14314 2006-02-14 Roger Sayle <roger@eyesopen.com>
14316 PR middle-end/23670
14317 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14318 (X,Y) and the corresponding symmetry related transformations.
14319 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14320 (X,Y) and its symmetry related transformations.
14322 2006-02-14 Roger Sayle <roger@eyesopen.com>
14324 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14327 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14329 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14331 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14334 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14335 support COMDAT group.
14336 * configure: Regenerate.
14338 2006-02-14 Roger Sayle <roger@eyesopen.com>
14340 PR middle-end/26279
14341 PR middle-end/26280
14342 PR middle-end/26283
14343 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14345 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14347 Fix PR tree-optimization/26260
14349 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14351 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14352 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14353 * tree-ssa-structalias.c (create_variable_info_for): Use
14354 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14356 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14358 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14360 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14361 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14362 of the ending condition.
14363 * tree-ssa-loop-manip.c: Include params.h.
14364 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14365 tree_unroll_loop): New functions.
14366 * tree-pass.h (pass_loop_prefetch): Declare.
14367 * loop.c (rest_of_handle_loop_optimize): Test for
14368 -fprefetch-loop-arrays-rtl.
14369 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14370 * timevar.def (TV_TREE_PREFETCH): New timevar.
14371 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14372 pass_loop_prefetch): New.
14373 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14374 (cleanup_tree_cfg_loop): Call scev_reset.
14375 * common.opt (fprefetch-loop-arrays-rtl): Add.
14376 * tree-ssa-loop-prefetch.c: New file.
14377 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14378 (new_temp_expr_table): Initialize expr_vars.
14379 (free_temp_expr_table): Cleanup expr_vars.
14380 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14381 expressions from being merged into one.
14382 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14383 (struct tree_niter_desc): Add control, bound and cmp fields.
14384 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14386 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14387 (tree-cfgcleanup.o): Add SCEV_H dependency.
14388 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14389 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14391 2006-02-14 Richard Guenther <rguenther@suse.de>
14393 PR tree-optimization/26258
14394 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14395 in PHI argument processing.
14397 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14399 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14400 new expression in the requested machine mode.
14402 2006-02-13 Roger Sayle <roger@eyesopen.com>
14404 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14405 directly, instead let do_compare_rtx_and_jump handle this for us.
14406 * expr.c (expand_expr_real_1): Likewise.
14407 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14408 before do_jump_by_parts_greater.
14409 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14410 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14412 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14414 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14416 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14418 PR rtl-optimization/26235
14419 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14420 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14423 2006-02-13 Jeff Law <law@redhat.com>
14425 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14428 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14430 PR middle-end/26092
14431 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14432 twice if decl is a builtin. When trying again, call get_callee_fndecl
14433 first to verify it is still a builtin.
14435 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14437 * dwarf2out.c (base_type_die): Don't add AT_name here.
14438 (subrange_type_die): Don't add AT_name here.
14439 (modified_type_die): Rearrange code flow. Do add AT_name here.
14441 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14443 PR rtl-optimization/26247
14444 PR rtl-optimization/26248
14445 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14447 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14449 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14450 * config/fixtfdi.c: Likewise.
14451 * config/fixunstfdi.c: Likewise.
14452 * config/floatditf.c: Likewise.
14454 2006-02-13 Roger Sayle <roger@eyesopen.com>
14456 PR middle-end/24427
14457 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14458 into (X,C2) if C1 is a subset of the bits of C2. Transform
14459 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14461 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14463 2006-02-13 Josh Conner <jconner@apple.com>
14466 * varasm.c (function_section): Check for section name before
14467 calling select_section on targets that define
14468 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14469 unlikely_text_section instead of hot_function_section if
14470 first_function_block_is_cold.
14472 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14474 PR middle-end/25335
14475 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14477 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14479 PR rtl-optimization/26222
14480 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14481 after tree->rtl expansion.
14482 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14483 before passing it to emit_move_insn.
14485 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14487 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14489 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14490 Clarify documentation.
14491 * c-common.h (warn_write_strings): Remove.
14492 * c-common.c (warn_write_strings): Likewise.
14493 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14496 2006-02-12 Roger Sayle <roger@eyesopen.com>
14498 PR middle-end/25724
14499 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14500 (do_jump_parts_zero_rtx): New function renamed from
14501 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14502 (do_jump_parts_equality_rtx): New function split out from
14503 do_jump_parts_equality. Old implementation renamed as above.
14504 Call do_jump_parts_zero_rtx if either operand is zero.
14505 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14506 do all of the heavy lifting.
14507 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14508 calling either do_jump_by_parts_greater_rtx or
14509 do_jump_by_parts_equality_rtx.
14510 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14511 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14512 moved to do_compare_rtx_and_jump, call it directly.
14513 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14514 mode argument. Call do_compare_rtx_and_jump.
14515 (emit_case_nodes): Update calls to do_jump_if_equal.
14517 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14519 PR rtl-optimization/26225
14520 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14522 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14524 PR rtl-optimization/26232
14525 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14527 2006-02-11 Jason Merrill <jason@redhat.com>
14530 * tree-inline.c (declare_return_variable): Just don't use the
14531 modify target if it's a gimple complex reg and the return slot
14534 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14536 * doc/contrib.texi: Update my entry.
14538 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14540 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14542 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14544 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14547 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14549 * doc/invoke.texi (-floop-optimize2): Removed.
14550 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14551 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14552 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14553 * common.opt (floop-optimize2): Removed.
14554 (fmove-loop-invariants): Enabled by default.
14556 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14558 * tree-if-conv.c (combine_blocks): Free the result of
14559 get_loop_exit_edges.
14561 2006-02-10 Jeff Law <law@redhat.com>
14563 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14565 PR tree-optimization/26213
14566 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14567 loop trying to follow SSA_NAME_VALUE chains.
14569 2006-02-10 Richard Guenther <rguenther@suse.de>
14571 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14572 deal with structures that end in implicitly variable sized arrays.
14574 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14576 PR rtl-optimization/24762
14577 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14580 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14582 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14583 (struct ivopts_data): Add regs_used field.
14584 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14585 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14586 instead of loop_data->regs_used;
14587 (free_loop_data): Do not free aux fields for loops.
14588 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14589 and tree_ssa_iv_optimize_finalize.
14591 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14593 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14595 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14598 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14599 computing the effective result type.
14601 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14603 PR inline-asm/16194
14604 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14605 (tree_overlaps_hard_reg_set): Declare.
14606 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14607 type and signature to match function type expected by walk_tree.
14608 (tree_overlaps_hard_reg_set): New function.
14609 (decl_conflicts_with_clobbers_p): Rename to:
14610 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14611 Use tree_overlaps_hard_reg_set. Changed caller.
14612 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14613 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14614 * cris.c (cris_md_asm_clobbers): Likewise.
14616 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14618 * reload1.c (emit_input_reload_insns): Delete code that tries to
14619 inherit using find_equiv_reg.
14621 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14623 * c-common.h (flag_const_strings): Don't declare.
14624 * c-common.c (flag_const_strings): Remove.
14625 * c.opt (fconst_strings): Remove.
14626 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14627 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14628 (c_common_init_options): Don't set flag_const_strings.
14629 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14631 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14633 * arm.md (tlobits_cbranch): New pattern.
14634 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14635 testing a single bit.
14637 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14640 * tree-ssa-pre.c (create_component_ref_by_pieces):
14641 Handle RETURN_DECL like VAR_DECL.
14643 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14645 PR middle-end/26134
14646 * fold-const.c (fold_indirect_ref_1): Fold
14647 "*(foo *)&complexfoo" to "__real__ complexfoo"
14648 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14650 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14652 * tree-flow-inline.h (var_can_have_subvars):
14653 Volatile variables should not have subvariables.
14655 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14658 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14659 multiplying unsigned values.
14662 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14664 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14666 2006-02-08 Jason Merrill <jason@redhat.com>
14669 * tree.def: Elaborate on difference from MODIFY_EXPR.
14670 * doc/c-tree.texi (INIT_EXPR): Likewise.
14671 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14672 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14673 (gimplify_target_expr): Likewise.
14674 (gimplify_cond_expr): Remove target handling.
14675 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14676 (gimplify_expr): Clobber it here.
14677 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14678 Do return slot optimization if we have an INIT_EXPR.
14681 * tree-inline.c (declare_return_variable): Also clear
14682 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14685 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14687 PR middle-end/22439
14688 * gimplify.c (gimplify_one_sizepos): Fix typo.
14690 2006-02-08 Jeff Law <law@redhat.com>
14692 PR tree-optimization/21417
14693 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14694 across a backedge if the control statement at the end of the
14695 block is data dependent on other statements in the same block.
14696 (record_temporary_equivalences_from_stmts): Remove over-conservative
14697 test for threading across backedges.
14699 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14700 control statement, handle all three special cases in the same
14701 manner as they all have the same desired solution. No longer
14702 special case edge flag updating when the post dominator is
14705 2006-02-08 Roger Sayle <roger@eyesopen.com>
14707 * tree.def (CHAR_TYPE): Remove.
14708 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14709 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14710 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14711 (gen_string_type_die): Delete unreachable function.
14713 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14714 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14715 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14716 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14717 * builtins.c (type_to_class): Likewise.
14718 * fold-const.c (fold_convert, build_range_check,
14719 merge_ranges): Likewise.
14720 * expr.c (count_type_elements): Likewise.
14721 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14722 * stor-layout.c (layout_type): Likewise.
14723 * ipa-type-escape.c (type_to_consider): Likewise.
14724 * gimplify.c (omp_firstprivatize_type_sizes,
14725 gimplify_type_sizes): Likewise.
14726 * explow.c (promote_mode): Likewise.
14727 * tree-sra.c (is_sra_scalar_type): Likewise.
14728 * varasm.c (output_constant): Likewise.
14729 * tree-inline.c (remap_type_1): Likewise.
14730 * convert.c (convert_to_pointer, convert_to_real,
14731 convert_to_integer, convert_to_complex): Likewise.
14733 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14735 * df-scan.c (df_def_record_1): A set destination may
14736 be a parallel regardless of mode.
14738 2006-02-08 Roger Sayle <roger@eyesopen.com>
14741 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14742 * config/mips/_tilib.c: Remove.
14743 * config/fixtfdi.c: New libgcc source file.
14744 * config/fixunstfdi.c: New source file.
14745 * config/floatditf.c: New source file.
14746 * config/floatunditf.c: New souce file.
14747 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14748 files above instead of config/mips/_tilib.c.
14749 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14751 2006-02-08 Jeff Law <law@redhat.com>
14753 PR tree-optimization/26169
14754 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14757 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14759 * df.h (DF_REG_SIZE): Return the length of the initialized
14762 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14764 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14765 __muldf3): Return a correctly signed zero.
14767 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14769 * passes.c (register_one_dump_file): Accept the current properties
14770 instead of pass number. Adjust call to dump_register. Remove
14772 (register_dump_files): Now a wrapper around...
14773 (register_dump_files_1): ... this one. Do not modify the pass
14775 (next_pass_1): Cosmetic fix.
14776 (execute_todo): Keep second parameter only. Use curr_properties
14777 instead of fetching it from the pass structure. Check and set
14779 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14780 instead of fetching it from the pass structure. Fix calls to
14781 execute_todo. Update curr_properties and initialize .vcg RTL dump
14782 after running the pass. Reset last_verified.
14783 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14785 (FIRST_AUTO_NUMBERED_DUMP): New.
14786 (dump_register): Remove "num" parameter, assign it within the
14788 (get_dump_file_name): Modify template for dumps.
14789 * tree-dump.h (dump_register): Adjust prototype.
14790 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14791 (PROP_trees): Add PROP_gimple_lomp.
14792 (TODO_set_props): New.
14793 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14794 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14795 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14797 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14799 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14800 (sparc64-*-linux*): Likewise.
14801 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14802 * config/sparc/t-linux: New file.
14803 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14804 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14805 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14806 -m32 -mlong-double-128.
14808 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14809 * config/alpha/t-linux: New file.
14810 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14812 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14813 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14814 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14815 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14816 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14817 (CPP_ARCH32_SPEC): Remove.
14819 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14821 PR tree-optimization/26145
14822 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14825 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14828 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14829 >= 240000 when generating code for SOM runtime.
14830 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14831 to $$dyncall when generating code for SOM runtime..
14833 2006-02-07 Dirk Mueller <dmueller@suse.com>
14836 * doc/invoke.texi (-Wsequence-point): Update documentation
14837 that -Wsequence-point is implemented for C++ as well.
14839 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14841 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14842 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14843 (LIB_SPEC): Likewise.
14844 * doc/invoke.texi (SPARC options): Document -pthread.
14846 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14848 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14851 2006-02-07 Roger Sayle <roger@eyesopen.com>
14853 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14854 Correct comment describing BOOLEAN_TYPE.
14856 2006-02-07 Dirk Mueller <dmueller@suse.com>
14858 * c.opt: C++ frontend supports -Wdiv-by-zero.
14859 * c-opts.c (c_common_handle_option): Remove dead case.
14861 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14863 * configure.ac (TLS assembler check): Do not enable TLS by
14864 default on SPARC/Solaris before version 10.
14865 * configure: Regenerate.
14867 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14869 * doc/invoke.texi (xl-compat): Document conversion and support
14872 2006-02-07 Jeff Law <law@redhat.com>
14874 * tree-vrp.c (find_conditional_asserts): Update comments.
14875 (simplify_stmt_for_jump_threading): New.
14876 (identify_jump_threads, finalize_jump_threads): New.
14877 (vrp_finalize): Call identify_jump_threads.
14878 (execute_vrp): Call finalize_jump_threads.
14879 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14880 (vrp_element, vrp_data, vrp_element_p): Remove.
14881 (vrp_hash_elt, vrp_variables_stack): Remove.
14882 (vrp_hash, vrp_eq, record_range): Remove.
14883 (simplify_cond_and_lookup_avail_expr): Remove.
14884 (extract_range_from_cond): Remove.
14885 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14886 (simplify_stmt_for_jump_threading): New.
14887 (dom_thread_across_edge): New wrapper.
14888 (tree_ssa_dominator_optimize): No longer initialize or
14889 finalize any of the VRP datastructures. Remove iteration
14890 step and simplify as a result of removal of iteration step.
14891 (pass_dominator): Perform a cfg cleanup after DOM.
14892 (dom_opt_finalize_block): Use the new common routines
14893 for threading jumps. Simplify stack management slightly.
14894 No longer need to unwind VRP state.
14895 (record_equivalences_from_incoming_edge): No longer record
14897 (eliminate_redundant_computations): No longer call
14898 simplify_cond_and_lookup_avail_expr.
14899 * tree-flow.h (potentially_threadable_block): Prototype.
14900 (thread_across_edge): Likewise.
14901 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14902 (tree-ssa-threadedge.o): Add dependencies.
14903 * tree-ssa-threadedge.c: New file.
14904 * passes.c (init_optimization_passes): Merge PHIs before
14905 calling VRP. Run VRP again late in the SSA optimization pipeline.
14907 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14909 * df-core.c (df_set_blocks): Do not dereference function pointers.
14910 (df_finish1): Likewise.
14911 (df_hybrid_search_forward): Likewise.
14912 (df_hybrid_search_backward): Likewise.
14913 (df_iterative_dataflow): Likewise.
14914 (df_analyze_problem): Likewise.
14915 (df_compact_blocks): Likewise.
14916 (df_dump): Likewise.
14917 * df-scan.c (df_rescan_blocks): Likewise.
14918 (df_record_entry_block_defs): Likewise.
14920 * genconditions.c (write_conditions): Guard the definition of
14921 'insn_conditions' with the check on GCC version.
14922 (write_writer): Guard the traversal 'insn_conditions' with
14923 the check on GCC version.
14925 2006-02-07 Richard Guenther <rguenther@suse.de>
14929 2006-01-30 Richard Guenther <rguenther@suse.de>
14931 * gimplify.c (gimplify_target_expr): Handle easy cases
14932 without creating a temporary.
14934 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14936 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14937 use of float in probability computations. Use edge probabilities
14938 in place of statically computed probabilities.
14939 (min_spec_prob): New static variable.
14940 (schedule_insns): Initialize it.
14941 (GET_SRC_PROB): Removed.
14942 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14944 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14947 * config/ia64/unwind-ia64.c: Revert last change.
14948 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14949 (INCOMING_FRAME_SP_OFFSET): Define.
14951 2006-02-06 Roger Sayle <roger@eyesopen.com>
14953 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14955 2006-02-07 Ben Elliston <bje@au.ibm.com>
14957 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14958 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14959 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14960 (ix86_return_in_memory): Handle TDmode.
14961 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14962 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14964 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14966 * reorg.c (dbr_schedule): Use dump_file instead of file.
14968 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14971 * config/ia64/predicates.md (extr_len_operand): New predicate.
14972 * config/ia64/ia64.md (extv): Tighten constraints.
14974 (*tbit_and_2): Ditto.
14975 (*tbit_and_3): Ditto.
14976 (*tbit_or_2): Ditto.
14977 (*tbit_or_3): Ditto.
14978 (*bit_zero): Ditto.
14981 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14984 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14986 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14988 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14989 loop_optimizer_init and loop_optimizer_finalize
14990 * tree-ssa-sink.c (execute_sink_code): Ditto.
14991 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14992 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14993 tree_ssa_loop_done): Ditto.
14994 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14995 * sched-ebb.c: Include output.h.
14996 (schedule_ebbs): Do not use dump argument.
14997 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14998 * loop.c (loop_dump_stream): Removed.
14999 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15001 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15002 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15003 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15004 loop_iterations, strength_reduce, record_biv, record_giv,
15005 final_giv_value, check_final_value, check_ext_dependent_givs,
15006 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15007 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15008 dump_file instead of loop_dump_stream.
15009 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15010 argument dump_file.
15011 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15013 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15014 * haifa-sched.c: Include output.h
15015 (schedule_insns, sched_init): Do not use dump argument.
15016 * mode-switching.c (optimize_mode_switching): Ditto.
15017 * modulo-sched.c (stats_file): Removed.
15018 (print_node_sched_params): Do not call argument dump_file.
15019 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15020 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15022 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15024 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15025 rtl_loop_init, rtl_loop_done): Ditto.
15026 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15027 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15029 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15030 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15031 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15032 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15033 * emit-rtl.c (renumber_insns): Ditto.
15034 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15035 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15036 * regclass.c (regclass): Ditto.
15037 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15038 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15039 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15040 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15042 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15043 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15045 * gcse.c (gcse_file, debug_stderr): Removed.
15046 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15047 rest_of_handle_gcse): Do not use dump argument.
15048 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15049 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15050 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15051 compute_code_hoist_vbeinout, compute_code_hoist_data,
15052 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15053 compute_store_table, build_store_vectors, insert_insn_start_bb,
15054 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15055 store_motion): Use dump_file instead of gcse_file.
15056 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15057 * profile.c (profile_dump_file): Removed.
15058 (branch_prob): Use dump_file instead of profile_dump_file.
15059 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15061 * tree-ssa-copy.c (dump_copy_of): Ditto.
15062 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15063 dump file to life_analysis.
15064 * bt-load.c (branch_target_load_optimize): Ditto.
15065 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15067 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15068 regclass, dbr_schedule): Declaration changed.
15069 * sched-int.h (sched_init): Declaration changed.
15070 * tree-profile.c (tree_profile_dump_file): Removed.
15071 (tree_profile_hooks): Removed profile_dump_file hook.
15072 * rtl-profile (rtl_profile_dump_file): Removed.
15073 (rtl_profile_hooks): emoved profile_dump_file hook.
15074 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15076 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15077 * tree-cfg.c (build_tree_cfg): Ditto.
15078 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15079 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15080 Declaration changed.
15081 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15082 life_analysis and schedule_insns.
15083 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15085 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15087 * config/mips/mips.c (mips_reorg): Ditto.
15088 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15091 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15093 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15094 (s390_mangle_fundamental_type): New.
15095 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15098 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15099 (alpha_mangle_fundamental_type): New.
15100 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15103 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15105 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15107 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15108 (sparc_mangle_fundamental_type): New.
15110 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15112 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15113 (s390x-*-linux*): Likewise.
15114 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15115 * config/s390/t-linux: New file.
15117 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15119 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15120 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15122 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15124 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15125 (ANTIC_SAFE_LOADS): New macro.
15126 (find_or_generate_expression): Add prototype.
15127 (set_contains_value): Allow null set for sake of not always having
15128 to allocate ANTIC_SAFE_LOADS.
15129 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15130 Allow COMPONENT_REF too.
15131 (valid_in_set): Allow COMPONENT_REF.
15132 Check ANTIC_SAFE_LOADS too.
15133 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15134 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15136 (can_PRE_operation): Add COMPONENT_REF.
15137 (create_component_ref_by_pieces): New function.
15138 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15139 (insert_aux): Move AGGREGATE_TYPE_P check here.
15140 (compute_avail): Set bb local stmt uids.
15141 (pass_pre): Use TODO_update_ssa_only_virtuals.
15143 2006-02-06 Ben Elliston <bje@au.ibm.com>
15145 * configure.ac: Unconditionally disable decimal float by default.
15146 * configure: Regenerate.
15148 2006-02-06 Ben Elliston <bje@au.ibm.com>
15150 * read-rtl.c (read_name): Terminate reading on EOF.
15152 2006-02-06 Ben Elliston <bje@au.ibm.com>
15154 * dfp.c (decimal_real_arithmetic): Change second argument type
15155 from int to enum tree_code. Do not always return true, but now
15156 return result of any call to decimal_do helper functions.
15157 * dfp.h (decimal_real_arithmetic): Update prototype.
15159 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15161 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15163 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15166 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15169 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15171 * tree-vrp.c (cfg_loops): Removed.
15172 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15173 Use current_loops instead of cfg_loops. Pass flags to
15174 loop_optimizer_init.
15175 * cfgloopmanip.c (fix_loop_structure): Update only available
15177 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15178 loop_optimizer_init.
15179 * modulo-sched.c (build_loops_structure): Removed.
15180 (sms_schedule): Use loop_optimizer_init.
15181 * loop-init.c (loop_optimizer_init): Use flags to determine
15182 which properties of loops to prepare.
15183 (rtl_loop_init): Pass flags to loop_optimizer_init.
15184 * tree-ssa-sink.c (execute_sink_code): Ditto.
15185 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15186 * tree-ssa-pre.c (init_pre): Ditto.
15187 * cfgloop.h (LOOPS_NORMAL): New.
15188 (loop_optimizer_init): Declaration changed.
15190 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15192 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15193 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15195 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15197 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15199 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15200 * pa/t-pa64: Delete quadlib.c rule.
15201 * pa/x-ada: Revert last change.
15202 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15204 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15206 PR rtl-optimization/26087
15207 * rtlanal.c (canonicalize_condition): Do not cross basic block
15210 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15213 * config/ia64/ia64.c: Include debug.h.
15214 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15215 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15216 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15217 (process_epilogue, process_set, process_for_unwind_directive):
15218 Output unwind info only if requested. Add CFA info if requested.
15219 Add new arguments as needed. Adjust callers.
15220 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15222 (DWARF2_FRAME_INFO): Define to zero.
15223 * config/ia64/unwind-ia64.c: Remove code that compensated for
15224 the CFA offset error fixed above.
15225 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15226 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15227 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15228 -funwind-tables and -fexceptions to enable frame info.
15229 (dwarf2out_frame_init): Define initial CFA even if
15230 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15231 DWARF2_UNWIND_INFO is nonzero, not just defined.
15232 (dwarf2out_frame_finish): Output non-EH call frame info only
15233 if DWARF2_FRAME_INFO is nonzero.
15234 (convert_cfa_to_loc_list,
15235 compute_frame_pointer_to_cfa_displacement): Define even if
15236 unwind info is not supported.
15237 (gen_subprogram_die): Use the above unconditionally. Remove
15238 legacy alternate code.
15239 * toplev.c (compile_file): Compile in call to
15240 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15241 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15243 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15244 Jakub Jelinek <jakub@redhat.com>
15246 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15247 IBM extended float format long double as "g" on powerpc*-linux.
15249 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15252 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15253 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15255 2006-02-03 Jason Merrill <jason@redhat.com>
15258 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15260 PR middle-end/25977
15261 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15262 on the return slot if it's an NRV.
15264 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15266 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15267 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15268 rewrite_use): Do not handle USE_OUTER.
15269 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15270 add_iv_outer_candidates, may_replace_final_value,
15271 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15272 (find_interesting_uses_op): Functionality of
15273 find_interesting_uses_outer_or_nonlin moved here.
15274 (find_interesting_uses_outside): Use find_interesting_uses_op.
15276 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15279 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15281 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15282 Ulrich Weigand <uweigand@de.ibm.com>
15285 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15286 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15287 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15288 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15290 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15291 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15292 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15293 Define secondary reloads for TFmode moves.
15294 (constant_modes): Add TFmode.
15295 (NR_C_MODES): Set to 8.
15296 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15298 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15299 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15300 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15301 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15302 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15303 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15304 (FPR mode macro): Add TFmode.
15305 (DSF mode macro): New.
15306 (<de>, <dee> mode attributes): Removed.
15307 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15308 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15309 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15310 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15311 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15312 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15313 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15314 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15315 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15316 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15317 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15318 "*negabs<mode>2", "sqrt<mode>2"):
15319 Changed <de> to <xde>. R constraint replaced by <Rf>.
15320 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15322 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15323 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15324 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15326 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15327 "extenddftf2", "extendsftf2"): New expanders.
15328 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15329 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15330 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15331 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15333 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15334 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15335 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15336 __floatditf): Add a GCC_4.1.0 symbol version tag.
15337 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15340 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15343 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15344 Use targetm.binds_local_p instead of TREE_PUBLIC.
15346 2006-02-02 Roger Sayle <roger@eyesopen.com>
15348 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15349 on INTEGER_TYPEs to indicate that it denotes a character type.
15350 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15351 signed_char_type_node, unsigned_char_type_node and char_type_node.
15352 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15353 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15354 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15356 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15357 Daniel Berlin <dberlin@dberlin.org>
15359 * tree-tailcall.c (arg_needs_copy_p): New function.
15360 (eliminate_tail_call): Use arg_needs_copy_p.
15361 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15362 (add_virtual_phis): New function.
15364 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15366 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15367 #ignore instead of #scratch for %g7 .register directive.
15369 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15371 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15374 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15376 * flow.c (calculate_global_regs_live): Assert that there aren't any
15379 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15381 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15382 what its name says.
15383 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15384 bsi_after_labels iterator.
15385 * tree-if-conv.c (find_phi_replacement_condition,
15386 replace_phi_with_cond_modify_expr): Likewise.
15387 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15388 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15390 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15392 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15394 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15397 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15398 array after growing it.
15400 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15402 PR middle-end/24901
15403 * fold-const.c (fold_checksum_tree): Change type of buf.
15405 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15407 * reload.c (push_secondary_reload): Initialize t_icode.
15409 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15411 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15412 -msoft-float -mlong-double-128 only issue a warning, but don't
15413 swich to DFmode long double.
15415 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15417 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15418 has a constant equivalent, iterate over equivalents for arg0,
15419 calling simplify_relational_operation and if there's a result
15420 cheaper than X, apply fold_rtx and return the result.
15422 2006-02-01 Jan Hubicka <jh@suse.cz>
15424 * opts.c (no_unit_at_a_time_default): New global variable.
15425 (decode_options): Use it.
15426 * opts.h (no_unit_at_a_time_default): Declare.
15428 2006-02-01 Paul Brook <paul@codesourcery.com>
15430 * function.c (assign_parm_setup_reg): Use function argument promotion
15432 * expr.c (expand_expr_real_1): Use function argument promotion rules
15435 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15437 * gcc.c (process_command): Change j to 'unsigned int'.
15439 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15441 PR middle-end/26001
15442 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15443 Use the corrected index for the character
15444 out of the string constant.
15446 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15448 * mode-switching.c (optimize_mode_switching): Fix size
15449 allocated for bb_info[n_entities].
15451 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15453 * gcc.c (main): Correct type that is allocated for
15454 explicit_link_files.
15456 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15458 * config/s390/s390.c (init_alignment_context): Set
15459 ALIAS_SET_MEMORY_BARRIER on the MEM.
15460 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15462 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15464 PR middle-end/25933
15465 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15467 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15470 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15472 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15473 * regrename.c: Ditto.
15474 * tree-ssa-loop-im.c: Ditto.
15475 * tree-dump.c: Ditto.
15476 * tree-complex.c: Ditto.
15477 * genrecog.c: Ditto.
15478 * tree-ssa-threadupdate.c: Ditto.
15480 * java/class.c: Ditto.
15481 * java/jcf-parse.c: Ditto.
15482 * java/resource.c: Ditto.
15483 * java/except.c: Ditto.
15484 * java/jvspec.c: Ditto.
15485 * java/jcf-write.c: Ditto.
15486 * java/jcf-path.c: Ditto.
15487 * java/gjavah.c: Ditto.
15488 * java/zextract.c: Ditto.
15489 * java/jcf-io.c: Ditto.
15490 * java/jcf.h: Ditto.
15491 * java/buffer.c: Ditto.
15492 * java/lang.c: Ditto.
15493 * java/parse-scan.y: Ditto.
15494 * java/lex.c: Ditto.
15495 * java/lex.h: Ditto.
15496 * cfgloopmanip.c: Ditto.
15497 * postreload-gcse.c: Ditto.
15498 * tree-ssa-loop-manip.c: Ditto.
15499 * postreload.c: Ditto.
15500 * tree-ssa-loop-ch.c: Ditto.
15503 * cppspec.c: Ditto.
15504 * diagnostic.c: Ditto.
15506 * genoutput.c: Ditto.
15508 * cfghooks.c: Ditto.
15509 * cfgloopanal.c: Ditto.
15510 * objc/objc-act.c: Ditto.
15512 * genextract.c: Ditto.
15513 * genautomata.c: Ditto.
15514 * pretty-print.c: Ditto.
15515 * genemit.c: Ditto.
15516 * cgraphunit.c: Ditto.
15518 * df-scan.c: Ditto.
15519 * haifa-sched.c: Ditto.
15520 * dominance.c: Ditto.
15522 * tree-ssa-loop-ivopts.c: Ditto.
15523 * df-core.c: Ditto.
15524 * mode-switching.c: Ditto.
15525 * modulo-sched.c: Ditto.
15527 * ipa-pure-const.c: Ditto.
15529 * fix-header.c: Ditto.
15531 * tree-stdarg.c: Ditto.
15532 * ipa-utils.c: Ditto.
15533 * loop-init.c: Ditto.
15534 * ipa-inline.c: Ditto.
15535 * cfganal.c: Ditto.
15537 * alloc-pool.c: Ditto.
15538 * dwarf2out.c: Ditto.
15540 * genattrtab.c: Ditto.
15541 * tree-ssa-loop-ivcanon.c: Ditto.
15542 * predict.c: Ditto.
15543 * timevar.c: Ditto.
15545 * fortran/gfortranspec.c: Ditto.
15546 * regmove.c: Ditto.
15547 * local-alloc.c: Ditto.
15548 * langhooks.c: Ditto.
15549 * function.c: Ditto.
15550 * tree-vectorizer.c: Ditto.
15552 * ipa-type-escape.c: Ditto.
15554 * tree-if-conv.c: Ditto.
15555 * profile.c: Ditto.
15557 * tree-data-ref.c: Ditto.
15558 * loop-unroll.c: Ditto.
15559 * treelang/treetree.c: Ditto.
15561 * bt-load.c: Ditto.
15562 * ggc-common.c: Ditto.
15564 * coverage.c: Ditto.
15566 * tree-cfgcleanup.c: Ditto.
15567 * tree-ssa-pre.c: Ditto.
15568 * cfgcleanup.c: Ditto.
15569 * loop-invariant.c: Ditto.
15570 * loop-iv.c: Ditto.
15571 * ipa-prop.c: Ditto.
15572 * print-tree.c: Ditto.
15573 * conflict.c: Ditto.
15574 * ggc-page.c: Ditto.
15575 * sched-deps.c: Ditto.
15576 * regclass.c: Ditto.
15577 * tree-object-size.c: Ditto.
15578 * combine.c: Ditto.
15579 * bb-reorder.c: Ditto.
15580 * resource.c: Ditto.
15581 * var-tracking.c: Ditto.
15582 * cfgloop.c: Ditto.
15583 * df-problems.c: Ditto.
15584 * reg-stack.c: Ditto.
15586 * gccspec.c: Ditto.
15587 * sched-rgn.c: Ditto.
15588 * tree-ssa-structalias.c: Ditto.
15589 * tree-ssa-reassoc.c: Ditto.
15590 * config/darwin-c.c: Ditto.
15591 * config/darwin.c: Ditto.
15592 * config/arm/arm.c: Ditto.
15594 * collect2.c: Ditto.
15595 * reload1.c: Ditto.
15597 2006-01-31 Nicolas Pitre <nico@cam.org>
15599 * arm.md (smaxsi3): Make aware of smax_m1.
15602 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15604 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15606 2006-01-31 Richard Guenther <rguenther@suse.de>
15608 * doc/invoke.texi (-msselibm): Document.
15609 * target.h (expand_library_builtin): New target hook.
15610 * builtins.c (expand_builtin): Use expand_library_builtin.
15611 (default_expand_library_builtin): New function.
15612 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15613 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15614 (link_gcc_math_spec): Declare.
15615 (static_specs): Add link_gcc_math_spec.
15616 * expr.h (default_expand_library_builtin): Declare.
15617 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15618 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15619 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15620 * config/i386/i386.opt (msselibm): New target option.
15621 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15622 (ix86_init_sse_abi_builtins): New function.
15623 (ix86_expand_library_builtin): Likewise.
15624 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15625 (override_options): Handle error conditions wrt -msselibm.
15626 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15627 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15628 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15631 2006-01-31 Richard Guenther <rguenther@suse.de>
15632 Paolo Bonzini <bonzini@gnu.org>
15634 * doc/install.texi (--disable-libgcc-math): Document.
15636 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15638 * expr.h (expand_normal): new inline function.
15639 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15640 * dojump.c: use it.
15641 * dwarf2out.c: use it.
15644 * expmed.c: use it.
15645 * except.c: use it.
15646 * config/sparc/sparc.c: use it.
15647 * config/i386/i386.c: use it.
15648 * config/rs6000/rs6000.c: use it.
15649 * config/arm/arm.c: use it.
15650 * config/mips/mips.c: use it.
15651 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15653 2006-01-30 Roger Sayle <roger@eyesopen.com>
15655 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15656 argv to the appropriate type.
15658 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15660 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15663 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15666 * config/s390/s390.c (struct machine_function): New flag
15667 decomposed_literal_pool_addresses_ok_p.
15668 (s390_reorg): Set it before final stage of literal pool transforms.
15669 (s390_decompose_address): Only accept displacements of the form
15670 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15672 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15674 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15675 the comparison routine return.
15677 2006-01-30 Michael Matz <matz@suse.de>
15679 * global.c (find_reg): Only evict for global regs.
15680 Take n_refs into account and dump more info.
15682 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15685 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15686 (pragma_trap, pragma_nosave_low_regs): Likewise.
15687 (current_function_anonymous_args): Likewise.
15688 (sh_deferred_function_attributes): New variable.
15689 (sh_deferred_function_attributes_tail): Likewise.
15690 (print_operand): For '@', look up trap_exit attribute.
15691 (calc_live_regs): Look up trapa_handler attribute. For trapa
15692 handlers, save/restore fpscr, but don't do any other
15693 interrupt-specific saves.
15694 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15695 Fix check for partially saved registers to check for SHmedia.
15696 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15697 (sh_output_function_epilogue): Don't clear any of the removed
15699 (sh_insert_attributes): Don't check pragma_interrupt.
15700 Insert deferred attributes. Check that interrupt attribute is
15701 present for other attributes that require its presence.
15702 (sh_attribute_table): Add new attributes trapa_handler and
15704 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15705 Don't check for pragma_interrupt. Don't store argument.
15706 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15707 (sh_deferred_function_attributes): Declare.
15708 (sh_deferred_function_attributes_tail): Likewise.
15709 * sh.md (sp_switch_1): Add operand. Change generator caller.
15710 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15711 (*return_i): Don't use when trap_exit attribute is in effect.
15712 (*return_trapa): New insn pattern.
15713 * sh-c.c: New file.
15714 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15715 setting c_target_objs and cxx_target_objs.
15716 * t-sh: Add rule for sh-c.o.
15718 2006-01-30 Richard Guenther <rguenther@suse.de>
15721 * gimplify.c (gimplify_target_expr): Handle easy cases
15722 without creating a temporary.
15724 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15726 * vec.h (safe_grow): Remove duplicated line.
15728 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15731 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15732 (expand_omp): ... here.
15733 (expand_omp_parallel): Only remove barriers for combined
15734 parallel+workshare constructs.
15736 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15740 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15741 * tree.c (build_qualified_type): Chain the new type to the original
15742 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15743 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15744 (build_pointer_type_for_mode): Only return unqualified types.
15745 (build_reference_type_for_mode): Likewise.
15747 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15749 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15750 * Makefile.in (CXX_COMPAT_WARN): Define.
15751 * configure: Regenerate.
15753 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15756 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15759 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15761 * toplev.c: Fix thinko.
15763 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15764 Marcin Dalecki <martin@dalecki.de>
15766 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15767 (push_srcloc): Use XNEW.
15768 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15770 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15772 * df-core.c (df_set_blocks): Deleted all variable.
15774 2006-01-28 Ian Lance Taylor <ian@airs.com>
15776 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15777 cgraph_output_pending_asms.
15779 2006-01-28 Zack Weinberg <zackw@panix.com>
15781 * c.opt: Add -W(no-)overlength-strings.
15782 * doc/invoke.texi: Document it.
15783 * c-opts.c (c_common_handle_option): -pedantic implies
15784 -Woverlength-strings, if not explicitly disabled already.
15785 (c_common_post_options): -Woverlength-strings defaults to off, and
15786 is always off for C++.
15787 * c-common.c (fix_string_type): Issue warning about strings longer
15788 than is portable only if warn_overlength_strings. Rearrange code
15789 a little for clarity.
15790 * configure.in: Check for -Wno-overlength-strings as well before
15791 enabling -pedantic in stage 1.
15792 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15793 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15795 * genconditions.c (write_header, write_one_condition)
15796 (write_conditions, write_writer): Consolidate very long strings
15797 that were broken up to fit in C89 portable limit. Don't use
15798 printf when fputs will do.
15800 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15802 * combine.c (simplify_comparison <AND>): Check
15803 TRULY_NOOP_TRUNCATION before start using a subreg.
15805 * config/mips/mips.md (*branch_zero<mode>,
15806 *branch_zero<mode>_inverted, *branch_equality<mode>,
15807 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15808 Remove mode check from comparisons.
15810 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15812 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15814 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15816 * expmed.c (const_mult_add_overflow_p): Remove.
15817 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15819 * recog.c (validate_replace_rtx_subexp): Remove.
15820 * recog.h: Remove the prototype for
15821 validate_replace_rtx_subexp.
15823 * integrate.h: Remove the prototype for
15824 copy_decl_for_inlining.
15825 * rtl.h: Remove the prototype for mark_constant_function.
15826 * tree-vectorizer.h: Remove the prototype for
15827 vect_strip_conversion.
15829 * modulo-sched.c (create_partial_schedule,
15830 free_partial_schedule, reset_partial_schedule): Make them
15833 * hooks.c (hook_bool_rtx_int_false): Remove.
15834 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15836 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15838 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15839 and -mlong-double-128 are incompatible.
15840 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15841 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15842 (TARGET_LIBGCC2_CFLAGS): Define.
15843 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15844 (TARGET_LIBGCC2_CFLAGS): Same.
15845 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15847 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15850 * c-typeck.c (build_binary_op): Perform implicit casts of
15851 operands before shortening them.
15853 * cfgloopmanip.c (split_loop_bb): Remove.
15854 * cfgloop.h: Remove the prototype for split_loop_bb.
15856 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15857 * cfgloop.h: Remove the prototype for
15858 flow_loop_outside_edge_p.
15860 * emit-rtl.c (init_virtual_regs): Make it static.
15861 * function.h: Remove the prototype for init_virtual_regs.
15863 * recog.c (peephole2_optimize): Make it static.
15864 * recog.h: Remove the prototype for peephole2_optimize.
15866 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15868 * df-scan.c (df_record_entry_block_defs): Check if
15869 INCOMING_RETURN_ADDR_RTX is defined.
15871 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15872 Kenneth Zadeck <zadeck@naturalbridge.com>
15874 PR rtl-optimization/24762
15875 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15876 * targhooks.c (hook_void_bitmap): New hook prototype.
15877 * targhoohs.h (hook_void_bitmap): Ditto.
15878 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15879 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15880 * target.h (live_on_entry): New function pointer.
15881 * df-scan.c (df_all_hard_regs): Removed.
15882 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15883 (df_scan_free_internal): Added df->entry_block_defs.
15884 (df_scan_alloc): Ditto.
15885 (df_scan_dump): Ditto.
15886 (df_uses_record): Plumbed flag field properly thru calls.
15887 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15888 This part fixes PR24762.
15889 (df_bb_refs_record): Added code to make the frame and arg
15890 pointers live in EH blocks.
15891 (df_refs_record): Added call to df_record_entry_block_defs.
15892 (df_record_entry_block_defs): New function.
15893 * df-core.c: Added comments to describe new artifical defs.
15894 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15895 (entry_block_defs): New field in struct df.
15896 (df_all_hard_regs): Deleted.
15897 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15898 * df-problems.c (df_ru_bb_local_compute_process_def):
15899 Added code to handle artifical defs in the entry to a function.
15900 (df_ru_bb_local_compute): Ditto.
15901 (df_rd_bb_local_compute_process_def): Ditto.
15902 (df_rd_bb_local_compute): Ditto.
15903 (df_lr_bb_local_compute): Ditto.
15904 (df_ur_bb_local_compute): Ditto.
15905 (df_urec_bb_local_compute): Ditto.
15906 (df_chain_create_bb): Ditto.
15907 (df_ur_local_finalize): Removed entry.
15908 (df_urec_init): Ditto.
15909 (df_urec_local_finalize): Ditto.
15910 (df_ri_bb_compute): Added detection of last use of pseudos.
15911 * Makefile.in (df-scan.o): Updated dependencies.
15912 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15913 * config/mips/mips.c (mips_set_live_on_entry): Added.
15914 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15916 * dce.c (marked_insn_p): Added code to handle artifical defs.
15918 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15920 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15922 (_mm_cvtsi128_si64): Likewise.
15923 (_mm_cvtsd_si64): Likewise.
15924 (_mm_cvttsd_si64): Likewise.
15925 (_mm_cvtsi64_sd): Likewise.
15926 (_mm_cvtsi64_si128): Likewise.
15927 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15928 (_mm_cvtsi64_m64): Likewise.
15929 (_m_to_int64): Likewise.
15930 (_mm_cvtm64_si64): Likewise.
15931 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15932 (_mm_cvttss_si64): Likewise.
15933 (_mm_cvtsi64_ss): Likewise.
15934 (_mm_cvtss_f32): Likewise.
15936 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15938 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15939 for pragma redefine_extname.
15941 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15944 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15945 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15946 -mno-minimal-toc to previous content.
15947 (bispecs): Remove goal.
15948 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15949 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15950 compatibility aliases on powerpc-*-*gnu*.
15951 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15952 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15953 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15954 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15955 (ldblspecs): New goal.
15956 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15957 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15959 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15960 L_sf_to_tf or L_df_to_tf is defined.
15962 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15963 Alan Modra <amodra@bigpond.net.au>
15966 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15967 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15968 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15969 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15970 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15971 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15972 (rs6000_override_options): Initialize rs6000_ieeequad.
15973 Initialize TFmode format to ibm_extended_format if not
15975 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15977 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15978 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15979 (function_arg_advance): IBM long double passed in two FPRs, not
15981 (function_arg): IBM long double passed in FPRs.
15982 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15983 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15984 Only multireg GPR aligned.
15985 (rs6000_init_libfuncs): Enable IBM long double functions if not
15987 (rs6000_generate_compare): Use IBM long double compare if not
15989 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15990 (TARGET_IEEEQUAD): Define.
15991 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15992 not TARGET_IEEEQUAD.
15993 * config/rs6000/rs6000.md: Enable TFmode patterns if
15995 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15996 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15997 and -mlong-double-128 are incompatible.
15998 * doc/invoke.texi (-mabi): Collect options together. Add
15999 ibmlongdouble and ieeelongdouble.
16001 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16003 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16005 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16006 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16007 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16008 * rtl.h (rtunion_def): Remove rt_ptr.
16010 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16011 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16012 * config/i386/winnt.c (i386_pe_mark_dllexport)
16013 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16015 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16017 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16019 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16023 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16024 pthread_key_delete. From John David Anglin. gthrw-ify
16025 pthread_getunique_np only if it it's not a macro. Delete
16027 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16028 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16029 __gthread_objc_condition_signal, __gthread_key_delete): Add
16030 "__attribute__ ((__unused__))" to unused arguments.
16031 (__gthread_recursive_mutex_init_function): Add missing return.
16032 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16033 gthr-posix95.h: Use macro-based approach for name redirection
16034 on targets missing weakref.
16036 2006-01-26 Zack Weinberg <zackw@panix.com>
16038 * genconditions.c (write_header): In generated code, #ifdef out
16039 all includes and fake declarations, except includes of bconfig.h
16040 and system.h, unless GCC_VERSION >= 3001. Do not include
16041 gensupport.h in any case.
16042 (write_conditions): Generate a definition of struct c_test. Add
16043 a comment to the generated #endif.
16044 (write_one_condition): Escape backslashes in string too.
16045 (write_writer): Generated code must escape backslashes and quote
16046 marks (but not newlines) in the strings it writes.
16047 * Makefile.in (build/gencondmd.o): Update dependencies.
16049 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16052 * Makefile.in (insn-automata.o): Add header file dependencies.
16053 * genautomata.c: Add includes.
16055 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16058 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16060 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16062 * configure.ac: Expect target tools paths to be passed from the toplevel
16063 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16065 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16067 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16070 * c.opt (Wpointer-sign): Init to -1.
16071 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16072 OPT_pedantic, to 0 otherwise.
16073 * doc/invoke.texi: Update.
16075 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16077 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16078 constants provided by 80387 instructions in the destination mode.
16080 2006-01-26 Richard Guenther <rguenther@suse.de>
16081 Andrew Pinski <pinskia@physics.uc.edu>
16084 partial PR tree-opt/17064
16085 * tree-ssa-structalias.c (intra_create_variable_infos):
16086 Create heap variables for incoming parameters if
16087 flag_argument_noalias > 1.
16088 (find_what_p_points_to): Look through default defs of
16091 2006-01-26 Jeff Law <law@redhat.com>
16094 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16095 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16096 within the VR_RANGE, use the VR_RANGE as the result, not the
16098 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16099 bounds for the type.
16101 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16103 * tree-ssa-alias.c (maybe_create_global_var): Change
16104 subvar walking to an assertion that we don't have subvar'd variables.
16106 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16109 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16110 Use a new variable, inner. PARM_DECLs are always non-weak.
16112 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16114 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16115 --disable-checking.
16117 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16119 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16121 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16123 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16124 (smax_insn, smin_insn, smax_0, smin_0): New.
16126 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16129 * config/cris/cris.c (cris_order_for_addsi3): New function.
16130 * config/cris/cris-protos.h: Prototype it.
16131 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16132 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16133 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16134 (split for "op.S1 [rx=rx+i],ry (swapped)")
16135 (split for "op(s|u).S1 [rx=rx+i],ry")
16136 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16137 Apply cris_order_for_addsi3 when generating addsi3 insns.
16139 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16141 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16142 (TREE_BLOCK): Add call to EXPR_CHECK.
16144 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16147 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16148 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16149 (dump_omp_clauses): ... here.
16150 (dump_generic_node): Handle OMP_CLAUSE.
16151 * tree.c (omp_clause_num_ops): New.
16152 (omp_clause_code_name): New.
16153 (tree_code_size): Handle OMP_CLAUSE.
16154 (tree_size): Likewise.
16155 (make_node): Document handling of OMP_CLAUSE.
16156 (tree_node_structure): Handle OMP_CLAUSE.
16157 (omp_clause_check_failed): New.
16158 (omp_clause_range_check_failed): New.
16159 (omp_clause_operand_check_failed): New.
16160 (build_omp_clause): New.
16161 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16162 * tree.h (enum omp_clause_code): Declare.
16163 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16164 (OMP_CLAUSE_RANGE_CHECK): Define.
16165 (OMP_CLAUSE_ELT_CHECK): Define.
16166 (omp_clause_check_failed): Declare.
16167 (omp_clause_operand_check_failed): Declare.
16168 (omp_clause_range_check_failed): Declare.
16169 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16170 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16171 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16172 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16173 (OMP_CLAUSE_IF_EXPR): Likewise.
16174 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16175 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16176 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16177 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16178 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16179 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16180 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16181 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16182 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16183 (OMP_CLAUSE_CODE): Define.
16184 (OMP_CLAUSE_SET_CODE): Define.
16185 (OMP_CLAUSE_CODE): Define.
16186 (OMP_CLAUSE_OPERAND): Define.
16187 (struct tree_omp_clause): Declare.
16188 (union tree_node): Add field 'omp_clause'.
16189 * treestruct.def (TS_OMP_CLAUSE): Define.
16190 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16191 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16192 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16193 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16194 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16195 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16196 (OMP_CLAUSE): Define.
16197 * print-tree.c (print_node): Handle OMP_CLAUSE.
16198 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16199 * c-typeck.c: Likewise.
16200 * gimplify.c: Likewise.
16201 * c-omp.c: Likewise.
16202 * tree-nested.c: Likewise.
16203 * tree-inline.c: Likewise.
16204 * c-parser.c: Likewise.
16205 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16208 2006-01-25 Roger Sayle <roger@eyesopen.com>
16210 PR rtl-optimization/25703
16211 * combine.c (try_combine): Handle zero_extract and strict_low_part
16212 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16214 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16216 * global.c: Fix comment typos.
16218 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16221 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16222 Use output_addr_const instead of assemble_name.
16224 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16226 * Makefile.in (sched-vis.o): Update dependencies.
16227 * haifa-sched.c (sched_finish): Clear current_sched_info.
16228 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16229 (dump_flow_info): Call it.
16230 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16232 * basic-block.h (dump_bb_info): Declare.
16233 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16234 option, and apply options only for dump files whose TDF_RTL,
16235 TDF_TREE, or TDF_IPA bits match.
16236 * rtl.h: Declare new functions exported from sched-vis.c.
16237 * sched-vis.c: Enable also if scheduling is not used.
16238 (print_value): Print the mode of registers if not inside scheduling.
16239 (print_insn): Make it work outside the scheduler. Beautify the output
16241 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16243 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16245 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16246 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16247 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16248 depending on the value of CONSTANT_POOL_ADDRESS_P.
16249 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16251 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16252 rather than SYMBOL_REF_DECL.
16253 (rtx_constant_pool): Remove const_rtx_sym_htab.
16254 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16255 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16256 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16257 Remove handling of const_rtx_sym_htab.
16258 (find_pool_constant): Delete.
16259 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16260 rather than find_pool_constant.
16261 (get_pool_constant_for_function): Delete.
16262 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16263 find_pool_constant.
16264 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16265 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16266 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16267 (SYMBOL_REF_CONSTANT): New macro.
16268 (get_pool_constant_for_function): Delete.
16269 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16270 rather than SYMBOL_REF_DECL.
16271 (i386_pe_mark_dllimport): Likewise.
16272 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16273 rather than SYMBOL_REF_DECL.
16274 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16275 (machopic_indirect_call_target): Likewise.
16277 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16279 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16281 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16283 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16285 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16287 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16289 2006-01-24 David Daney <ddaney@avtrex.com>
16292 * configure.ac (enable_tls): New enable option.
16293 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16294 * configure: Regenerate.
16295 * doc/install.texi (--enable-tls): Document new option.
16296 (--disable-tls): Ditto.
16298 2006-01-24 Richard Henderson <rth@redehat.com>
16300 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16301 * alias.c (true_dependence): Respect it.
16302 (canon_true_dependence, write_dependence_p): Likewise.
16303 * builtins.c (get_builtin_sync_mem): Set it.
16305 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16307 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16310 2006-01-24 DJ Delorie <dj@redhat.com>
16312 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16313 for storing constants in single-bit bitfields.
16315 2006-01-25 Ben Elliston <bje@au.ibm.com>
16317 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16319 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16322 * tree-ssa-pre.c (phi_translate): Return NULL
16323 for AGGREGATE_TYPE's.
16325 2006-01-24 Zack Weinberg <zackw@panix.com>
16327 * genautomata.c (process_state_for_insn_equiv_partition):
16328 Use xcalloc for insn_arcs_array.
16329 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16330 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16332 2006-01-24 Richard Henderson <rth@redhat.com>
16334 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16335 update all callers.
16337 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16339 PR rtl-optimization/25890
16340 PR rtl-optimization/25905
16341 * combine.c (expand_compound_operation, expand_field_assignment):
16342 Fail if the bitfield's final position is out of bounds.
16344 2006-01-24 Ian Lance Taylor <ian@airs.com>
16346 PR middle-end/25930
16347 * cgraphunit.c (cgraph_output_in_order): Don't clear
16348 cgraph_asm_nodes until after asm strings have been output.
16350 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16352 * fix-header.c (read_scan_file): Add new parameter imultilib when
16353 calling register_include_chains.
16355 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16357 * omp-low.c: Update documentation.
16359 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16360 Daniel Berlin <dberlin@dberlin.org>
16364 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16365 return from the function.
16367 2006-01-22 Zack Weinberg <zackw@panix.com>
16369 * rtl.def (match_code): Add second argument.
16370 * genpreds.c (write_extract_subexp): New function.
16371 (write_match_code): Add path argument. Use write_extract_subexp.
16372 (write_predicate_expr): Pass path to write_match_code.
16373 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16374 not perform a mode test.
16375 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16376 a subexpression does not constrain the top-level code set.
16377 * read-rtl.c (read_rtx_variadic): New function.
16378 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16379 * doc/md.texi: Document new notation.
16380 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16381 (cmpsi_operand): ... here, using new notation.
16383 2006-01-22 Zack Weinberg <zackw@panix.com>
16385 * varray.c: Remove GENERATOR_FILE #ifdefs.
16387 2006-01-22 Zack Weinberg <zackw@panix.com>
16389 * genautomata.c (output_reserved_units_table): Emit nothing if
16390 description->query_units_num is zero. Remove extra blank line.
16391 (output_cpu_unit_reservation_p): Short circuit
16392 if description->query_units_num is zero.
16394 2006-01-22 Zack Weinberg <zackw@panix.com>
16396 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16397 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16398 nor any of the random handful of variables that used to be necessary
16399 when this program was linked with rtlanal.o. Prune set of forward
16400 function declarations.
16401 (struct attr_desc): Remove static_p field.
16402 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16403 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16404 (attr_string): Do not read the character one past the length of
16406 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16407 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16408 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16409 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16410 (make_automaton_attrs): New.
16411 (main): Do not call into genautomata. Call local gen_bypass
16412 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16413 Remove special case for insn_alts.
16414 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16415 varray.h (leftover from previous change). Prune set of forward
16416 function declarations. Remove state_alts fields from all
16417 structures. Remove state_alts_table from struct automaton.
16418 Make everything except main static. Do not maintain num_dfa_decls.
16419 Do not maintain state_alts fields of various structures.
16420 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16421 (add_arc): Remove state_alts argument. All callers updated.
16422 (output_reserved_units_table): Emit #ifdef here...
16423 (output_tables): ...not here. Don't generate state_alts tables.
16424 (expand_automata): Don't generate attributes.
16425 (write_automata): Don't generate state_alts functions.
16426 (main): New function.
16427 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16428 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16429 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16430 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16431 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16432 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16433 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16434 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16436 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16437 * genattrtab.h: Delete file.
16438 * Makefile.in (OBJS-common): Add insn-automata.o.
16439 (insn-automata.o): New rule.
16440 (simple_generated_c): Add insn-automata.c.
16441 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16442 (genprogmd): Add automata.
16443 (build/genattrtab): Needs no extra objects nor libraries.
16444 (build/genautomata): Needs build/vec.o and -lm.
16446 2006-01-22 Zack Weinberg <zackw@panix.com>
16448 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16449 (output_dfa_max_issue_rate, locked_states_num): Delete.
16450 (struct automaton): Add locked_states field.
16451 (output_dead_lock_vect): Save number of locked states in
16452 automaton->locked_states. If it is zero, don't print anything.
16453 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16454 (output_internal_dead_lock_func): Only test the dead_lock_vect
16455 for automata that have locked states.
16456 (output_statistics): Always print the number of locked states for
16457 each automaton. Calculate total number of locked states here.
16458 (write_automata): Don't call output_dfa_max_issue_rate.
16459 * genattrtab.c: Define length_unit_log as a const variable.
16460 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16461 max_insn_queue_index const.
16462 * final.c (length_unit_log): Declare const.
16463 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16465 2006-01-22 Zack Weinberg <zackw@panix.com>
16467 * genautomata.c: Include vec.h, not varray.h.
16468 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16469 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16470 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16471 VEC_* macros operating on appropriately typed vectors, or to
16472 malloced arrays when the size is known in advance. Const-ify
16473 many char* variables and function arguments. No functional changes.
16474 * Makefile.in (build/varray.o): Delete rule.
16475 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16476 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16478 2006-01-22 Zack Weinberg <zackw@panix.com>
16480 * gensupport.c: Define get_insn_name and record_insn_name here.
16481 (read_md_rtx): Call record_insn_name as appropriate.
16482 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16483 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16484 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16486 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16487 (BUILD_VARRAY): Delete.
16488 (genprognormal): Rename genprogmd. Fold in all programs from
16489 genprognoprint; also attrtab.
16490 (build/genattrtab): Just mention genautomata.o and varray.o.
16491 Reorganize a bit, add comments to make the categories clearer.
16493 2006-01-22 Zack Weinberg <zackw@panix.com>
16495 * genconditions.c (condition_table, add_condition): Delete.
16496 (write_conditions): Don't emit n_insn_conditions nor
16497 insn_elision_unavailable. Issue the gcc version #ifdef here,
16498 inside the table, with no #else clause ...
16499 (write_header): ...not here.
16500 (write_writer): New function.
16501 (main): Don't initialize condition_table. Use add_c_test.
16503 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16504 files on the command line.
16505 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16506 Return -1 if there is no entry in the table, don't abort.
16507 (add_c_test, traverse_c_tests): New functions.
16508 * gensupport.h (insn_elision_unavailable, insn_conditions)
16509 (n_insn_conditions): Delete declarations.
16510 (add_c_test, traverse_c_tests): Declare.
16511 * read-rtl.c: Include gensupport.h.
16512 (read_conditions): New function.
16513 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16514 (read_rtx_1): If we get EOF when we were looking for an initial
16515 open paren, return 0. Call read_conditions when appropriate.
16516 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16517 dummy-conditions.o. Eliminate references to insn-conditions.o,
16518 or change them to build/gencondmd.o, as appropriate. Remove
16519 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16520 from $(simple_generated_c). For all files remaining in those
16521 two lists, add insn-conditions.md to the generator command line.
16522 Give insn-constants.h/s-constants their own rules. Add rules
16523 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16524 (build/read-rtl.o): Depend on gensupport.h.
16525 (genprognormal): Include preds.
16526 (genprogearly): Rename genprognoprint; only difference is now that
16527 they don't link with $(BUILD_PRINT).
16528 * dummy-conditions.c: Delete.
16530 2006-01-22 Zack Weinberg <zackw@panix.com>
16532 * genextract.c: Don't include insn-config.h. Do include vec.h.
16533 Declare vectors of int, char, and locstr.
16534 (locstr): New typedef.
16535 (struct extraction): Make all array fields into bare pointers.
16536 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16537 (insn_code_number): Delete.
16538 (accum_extract): New struct.
16539 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16540 (gen_insn): Take insn_code_number as an argument. Use an
16541 accum_extract structure instead of loading data directly into
16542 a struct extraction, and having to know how big it might get.
16543 (walk_rtx): Operate entirely on an accum_extract structure.
16544 (print_path): Avoid unnecessary use of printf.
16545 (print_header): New function, split out of main. Distinguish
16546 more carefully between an unrecognizable insn and an insn that
16547 has the code number of a define_expand.
16548 (main): Pass insn_code_number to gen_insn. Call print_header
16549 only after parsing. Avoid unnecessary use of printf.
16550 * Makefile.in (build/vec.o): New rule.
16551 (build/genextract): Depend on build/vec.o.
16552 (build/genextract.o): Don't depend on insn-config.h.
16554 2006-01-22 Zack Weinberg <zackw@panix.com>
16556 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16557 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16558 practical. Eliminate per-generator-program link rules.
16560 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16562 PR middle-end/24437
16563 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16564 with a call expr to ...
16565 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16567 2006-01-23 Richard Guenther <rguenther@suse.de>
16569 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16570 before make_edge with conditional EDGE_TRUE_VALUE.
16572 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16573 Jan Hubicka <jh@suse.cz>
16574 Richard Guenther <rguenther@suse.de>
16576 PR rtl-optimization/25654
16577 * cfgexpand.c (aggregate_contains_union_type): New function.
16578 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16579 for structure variables that contain a union type.
16581 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16583 * gengtype.c (new_structure): Return the structure.
16584 (create_option): Add an extra "next" argument.
16585 (create_field): New function.
16586 (adjust_field_rtx_def): Use create_option and create_field.
16587 Remove a now-unnecessary call to find_structure.
16588 (adjust_field_tree_def): Likewise.
16589 (note_yacc_type): Remove an unnecessary call to find_structure.
16590 * gengtype.h (new_structure): Return the structure.
16591 (create_option): Add an extra argument.
16592 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16593 (option): Adjust calls to create_option.
16595 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16597 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16599 2006-01-22 Paul Brook <paul@codesourcery.com>
16600 Peter Barada <peter@the-baradas.com>
16602 * config/m68k/m68k.md: Add Coldfire FPU support.
16603 Define FP mode macro and associated attributes.
16604 Use it for float mode patterns.
16605 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16606 (LIBCALL_VALUE): Use m68k_libcall_value.
16607 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16608 (m68k_function_value): Ditto.
16609 (emit_move_sequence): Ditto.
16610 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16611 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16612 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16613 (MULTILIB_EXCEPTIONS): Ditto.
16614 * config/m68k/m68k.opt: Add mcfv4e.
16615 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16616 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16617 (m68k_output_function_prologue): Save ColdFire FPU registers.
16618 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16619 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16620 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16621 ColdFire FPU registers.
16622 (m68k_libcall_value, m68k_function_value): New functions.
16623 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16624 (LIBCALL_VALUE): Use m68k_libcall_value.
16625 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16626 (MASK_COLDFIRE): Add MASK_CFV4E.
16627 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16628 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16629 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16630 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16631 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16632 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16633 * doc/invoke.tex: Document -mcfv4e on m68k.
16635 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16637 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16640 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16643 * c-opts.c (c_common_handle_option): Don't include
16644 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16645 * doc/invoke.texi (C++ Dialect Options): Document that
16646 -Wnon-virtual-dtor is no longer included in -Wall.
16648 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16650 * gcov.c (print_version), gcov-dump.c (print_version),
16651 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16654 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16656 * df-scan.c (problem_SCAN): Added NULL reset function.
16657 (df_scan_reset_blocks): Added code to call reset block function
16658 (df_bb_refs_delete) Fixed comment.
16659 (df_insn_refs_delete): Made tolerant of deleting non existent info
16660 for dataflow problems that need to be reset.
16661 * df-core.c (df_set_blocks): Ditto.
16662 * df.h (struct df_problem): Added reset_fun.
16663 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16664 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16665 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16666 functions to clear out all references to def-use or use-def chains.
16668 2006-01-21 Ben Elliston <bje@au.ibm.com>
16670 * varasm.c (assemble_real): Initialise data array.
16672 2006-01-20 Paul Brook <paul@codesourcery.com>
16674 Merge from csl-arm-branch.
16675 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16676 * config/arm/arm.md (movdi): Force operands[1] to a register
16677 if we have a non-register source.
16678 (*arm_movdi, *movdf_soft_insn): Require that one of the
16679 operands be a register.
16680 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16681 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16683 2006-01-20 DJ Delorie <dj@redhat.com>
16685 * varasm.c (initializer_constant_valid_p): Allow pointers
16686 initialized from integer constants of lesser precision.
16687 (output_constant): Allow non-int-sized pointer modes to be
16688 initialized from integer constants.
16690 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16693 * cppdefault.h (struct default_include): Add multilib flag.
16694 * cppdefault.c (cpp_include_defaults): Set it.
16695 * c.opt (-imultilib): New option.
16696 * c-opts.c (imultilib): New.
16697 (c_common_handle_option): Handle -imultilib.
16698 (c_common_post_options): Likewise.
16699 * c-incpath.c (add_standard_paths, register_include_chains):
16701 * c-incpath.h (register_include_chains): Add extra parameter.
16702 * gcc.c (do_spec_1): Generate -imultilib option.
16703 (The Specs Language): Update %I description.
16704 (process_command): Update copyright notice.
16705 * doc/cppopts.texi (-imultilib): Document.
16706 * doc/invoke.texi (-imultilib): Include in option summary.
16707 (%I): Update specs documentation.
16709 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16711 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16713 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16715 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16718 2006-01-20 Richard Guenther <rguenther@suse.de>
16719 Steven Bosscher <stevenb.gcc@gmail.com>
16721 PR rtl-optimization/24626
16722 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16723 EDGE_TRUE_VALUE if in RTL mode.
16726 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16727 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16729 2006-01-20 Dirk Mueller <dmueller@suse.com>
16732 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16733 instead of a special NOP marker.
16734 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16735 NOP marker handling.
16736 * c-common.h (empty_body_warning): Add forward declaration.
16737 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16738 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16740 2006-01-20 Paul Brook <paul@codesourcery.com>
16742 * Makefile.in (lang_checks): Keep going if mkdir fails.
16744 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16746 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16747 be able to clean out basic block when not necessary.
16748 (df_scan_free): Fixed to properly delete information if df is
16749 unused before calling df_finish.
16750 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16751 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16753 (df_bb_refs_delete): New function.
16754 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16755 * df-core.c (df_set_blocks): Added code to properly clean out
16756 unused blocks if they are not part of the blocks to consider.
16757 Added additional null check.
16758 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16759 be able to clean out basic block when not necessary
16760 * df.h (df_free_bb_function): Ditto.
16761 (df_bb_refs_delete): New function.
16762 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16763 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16764 basic block parameter to be able to clean out basic block when not
16766 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16767 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16768 Fixed to properly delete information if df is unused before
16771 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16773 PR rtl-optimization/25799
16774 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16775 Corrected confluence operator to remove bits from op2 before oring
16776 with op1 rather than removing bits from op1.
16777 (df_ru_transfer_function): Corrected test on wrong bitmap which
16778 caused infinite loop. Both of these problems were introduced in
16779 the dataflow rewrite.
16781 2006-01-19 DJ Delorie <dj@redhat.com>
16783 * reload1.c (find_reload_regs): Note the details of reload
16784 failures in the dump file.
16785 (spill_failure): Likewise.
16787 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16789 * loop-iv.c: Include df.h and hashtab.h.
16790 (enum iv_grd_result): New enum.
16791 (DF_REF_IV, DF_REF_IV_SET): New macros.
16792 (struct biv_entry): New.
16793 (df, bivs): New global variables.
16794 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16795 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16797 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16798 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16799 analyzed_for_bivness_p, record_biv): New functions.
16800 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16801 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16802 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16804 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16806 (iv_number_of_iterations): Use new interface to iv analysis.
16807 * loop-unroll.c: Do not include varray.h.
16808 (analyze_iv_to_split_insn): Use new interface to iv
16810 * loop-unswitch.c (may_unswitch_on): Ditto.
16811 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16813 (df_bb_modify): Realloc tables to the new index.
16814 (df_find_use): New function.
16815 * df.h (df_find_use): Declare.
16816 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16818 * cfgloop.h (struct rtx_iv): Remove analysed field.
16819 (iv_get_reaching_def): Removed.
16820 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16821 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16822 (loop-iv.o): Add df.h and hashtab.h dependency.
16823 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16825 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16828 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16830 (__floatundisf, __floatundidf): Likewise.
16831 * libgcc2.h (IS_IBM_EXTENDED): Define.
16833 2006-01-19 DJ Delorie <dj@redhat.com>
16835 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16837 2006-01-19 Paul Brook <paul@codesourcery.com>
16839 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16840 as nothrow when unwinding tables are disabled.
16842 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16845 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16846 of bit-field" when in system header.
16848 2006-01-19 DJ Delorie <dj@redhat.com>
16850 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16851 the 16 bit shift limit of the m16c.
16853 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16856 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16857 * config/i386/i386.c (output_set_got): Output the label if we have one
16858 for the TARGET_DEEP_BRANCH_PREDICTION case.
16860 2006-01-19 Jan Hubicka <jh@suse.cz>
16861 H.J. Lu <hongjiu.lu@intel.com>
16862 Evandro Menezes <evandro.menezes@amd.com>
16864 * invoke.texi (generic): Document
16866 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16867 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16868 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16869 (x86_use_incdec, x86_pad_returns): New variables
16870 (TARGET_CPU_DEFAULT_generic): New constant
16871 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16872 (enum processor_type): Add generic32 and generic64.
16873 * i386.md (cpu attribute): Add generic32/generic64
16874 (movhi splitter): Behave sanely when both partial_reg_dependency and
16875 partial_reg_stall are set.
16876 (K8 splitters): Enable for generic as well.
16877 * predicates.md (incdec_operand): Use TARGET_INCDEC
16878 (aligned_operand): Avoid memory mismatch stalls.
16879 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16880 * ppro.md: Enable for generic32
16881 * i386.c (generic64_cost, generic32_cost): New.
16882 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16883 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16884 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16885 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16886 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16887 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16888 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16889 x86_accumulate_outgoing_args, x86_prologue_using_move,
16890 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16891 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16892 Enable for generic.
16893 (x86_use_incdec, x86_pad_returns): New.
16894 (override_options): Add generic32 and generic64, translate "generic"
16895 to generic32/generic64 and "i686" to "generic32", refuse
16896 "generic32"/"generic64" as arch target.
16897 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16898 (ix86_reorg): Honor PAD_RETURNS.
16900 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16902 * tree-pretty-print.c (dump_generic_node): Handle
16903 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16904 * cgraph.c (cgraph_expand_queue): Rename from
16905 cgraph_analyze_queue. Update all users.
16906 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16907 cgraph_expand_queue.
16908 (cgraph_expand_all_functions): Likewise.
16909 (cgraph_finalize_pending_functions): Remove. Update callers.
16911 * tree.h (OMP_DIRECTIVE_P): Define.
16912 (OMP_PARALLEL_FN): Define.
16913 (OMP_PARALLEL_DATA_ARG): Define.
16914 (OMP_SECTIONS_SECTIONS): Define.
16915 * tree-pass.h (pass_expand_omp): Declare.
16916 * omp-low.c (struct omp_region): Declare.
16917 (struct omp_context): Remove fields 'parallel_type',
16918 'parallel_start_ix' and 'parallel_start_additional_args'.
16920 (struct omp_for_data): Rename from struct expand_omp_for_data.
16921 (omp_regions): New static variable.
16922 (root_omp_region): New static variable.
16923 (find_omp_clause): Make static.
16924 (is_in_combined_parallel_ctx): Remove.
16925 (is_combined_parallel): New.
16926 (extract_omp_for_data): Move earlier in the file.
16927 (workshare_safe_to_combine_p): New.
16928 (get_ws_args_for): New.
16929 (determine_parallel_type): Move earlier in the file.
16930 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16932 (omp_copy_decl): Likewise.
16933 (create_omp_child_function): Likewise.
16934 (lookup_omp_region): New.
16935 (dump_omp_region): New.
16936 (debug_omp_region): New.
16937 (debug_all_omp_regions): New.
16938 (new_omp_region): New.
16939 (scan_omp_parallel): If parallel_nesting_level > 1, the
16940 directive is nested within another parallel directive.
16941 Set OMP_PARALLEL_FN.
16942 (scan_omp_for): Do not try to handle combined parallel+for
16944 Remove FIXME comment.
16945 (scan_omp_nested): Remove.
16946 (scan_omp_1): Do not call scan_omp_nested when
16947 parallel_nesting_level is > 1.
16948 Do not change the DECL_CONTEXT of local variables found.
16949 (lookup_decl_in_outer_ctx): New.
16950 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16951 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16952 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16953 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16954 If CTX is nested, lookup VAR in the outer context when
16955 building copy assignment.
16956 (lower_send_clauses): Rename from expand_send_clauses.
16957 If CTX is nested, lookup VAR in the outer context when
16958 building copy assignments.
16959 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16960 If CTX is nested, lookup VAR in the outer context when
16961 building copy assignments.
16962 (expand_parallel_call): Rename from build_parallel_call.
16963 Handle combined parallel+workshare cases.
16964 Re-implement to emit code into the CFG.
16966 (expand_omp_parallel): Re-implement to emit code into the CFG.
16967 Call move_sese_region_to_fn to outline the sub-graph
16968 containing the parallel region.
16969 (expand_omp_for_1): Remove.
16970 (expand_omp_for_generic): Re-implement to emit code into the
16972 (expand_omp_for_static_nochunk): Likewise.
16973 (expand_omp_for_static_chunk): Likewise.
16974 (expand_omp_for): Likewise.
16975 (expand_omp_sections): Likewise.
16976 (remove_exit_barriers): New.
16977 (expand_omp_synch): New.
16979 (build_omp_regions_1): New.
16980 (build_omp_regions): New.
16981 (execute_expand_omp): New.
16982 (gate_expand_omp): New.
16983 (pass_expand_omp): Define.
16984 (lower_omp_sections): Rename from expand_omp_sections.
16985 Set OMP_SECTIONS_SECTIONS.
16986 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16987 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16988 (lower_omp_single): Rename from expand_omp_simple.
16989 (lower_omp_master): Rename from expand_omp_master.
16990 (lower_omp_ordered): Rename from expand_omp_ordered.
16991 (lower_omp_critical): Rename from expand_omp_critical.
16992 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16993 (lower_omp_for): Re-implement.
16994 (lower_omp_parallel): Re-implement.
16995 (lower_regimplify): Rename from expand_regimplify.
16996 (lower_omp_1): Rename from expand_omp_1.
16997 If there are syntax errors in the program, replace every
16998 OpenMP directive with NOP.
16999 Call lower_omp_* instead of expand_omp_*.
17000 (lower_omp): Rename from expand_omp.
17002 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17003 * tree-gimple.h (enum omp_parallel_type): Remove.
17004 (gimple_boolify): Declare extern.
17005 (find_omp_clause, determine_parallel_type): Remove.
17007 * gimple-low.c (lower_omp_directive): New.
17008 (lower_stmt): Call it.
17009 (record_vars_into): Move from ...
17010 (record_vars): ... here.
17011 Call record_vars_into with current_function_decl.
17013 * gimplify.c (struct gimplify_ctx): Remove fields
17014 combined_pre_p and combined_ctxp. Update users.
17015 (get_formal_tmp_var): Add documentation.
17016 (gimple_boolify): Make extern.
17017 (gimplify_expr_in_ctx): Remove. Update callers.
17018 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17019 will always be a BIND_EXPR.
17020 (gimplify_expr): Handle OMP_RETURN_EXPR.
17021 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17022 (OMP_PARALLEL): Add 3 operands.
17023 (OMP_SECTIONS): Add 1 operand.
17024 (OMP_RETURN_EXPR): Define.
17026 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17027 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17028 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17029 creating a circular free list.
17030 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17032 * tree-flow.h (move_sese_region_to_fn): Declare.
17033 (record_vars_into): Declare.
17034 * tree-cfg.c (make_omp_sections_edges): New.
17035 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17036 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17037 OMP_SECTIONS and OMP_SECTION.
17038 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17039 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17040 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17041 (gather_blocks_in_sese_region): New.
17042 (struct move_stmt_d): Declare.
17043 (move_stmt_r): New.
17044 (move_block_to_fn): New.
17045 (move_sese_region_to_fn): New.
17047 * passes.c (init_optimization_passes): Schedule
17048 pass_expand_omp after pass_init_datastructures.
17050 * tree-ssa-operands.c (get_expr_operands): Handle
17051 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17052 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17054 2006-01-19 Jeff Law <law@redhat.com>
17056 * tree-vrp.c (extract_range_from_assert): Refine the result range
17057 if the variable referenced by the ASSERT_EXPR has a range and
17058 either the tentative result range or the previous range is a
17061 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17063 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17065 2006-01-19 Jan Hubicka <jh@suse.cz>
17067 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17069 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17071 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17072 (expand_compound_operation, expand_field_assignment): Fail if the
17073 bit lengths of an extract operation are out of range.
17074 (make_extraction): Compute wanted_inner_mode based on the position
17075 and length of the extraction. Make it extraction_mode for non-constant
17076 positions, and do not modify offset in that case. When generating a
17077 new MEM, use a mode that can hold the extraction while keeping correct
17078 alignment. Remove code that supported MEMs wrapped by USEs.
17079 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17081 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17083 * config/s390/s390.md ("Y", "y"): New mode attribute.
17084 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17085 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17086 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17087 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17088 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17089 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17090 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17091 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17092 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17093 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17094 "addsi3", "subsi3"): Insn patterns removed.
17095 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17096 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17097 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17098 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17099 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17100 "*sub<mode>3_cconly2"): New insn patterns.
17101 ("addsi3", "subsi3"): New expanders.
17103 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17105 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17106 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17107 existing STMT_VINFO_VECTYPE if available.
17108 (vect_mark_relevant): Add special handling for stmts that are
17109 marked as STMT_VINFO_IN_PATTERN_P.
17110 (vect_analyze_loop): Call vect_pattern_recog.
17111 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17112 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17114 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17115 (vect_recog_func_ptr): New function-pointer type.
17116 * tree-vect-patterns.c: New file.
17117 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17118 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17119 (vect_pattern_recog_1): New functions.
17120 (vect_pattern_recog_funcs): New array of function pointers.
17122 * tree-vectorizer.h (ternary_op): New enum value.
17123 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17124 declaration. Revised documentation. Removed redundant dump prints.
17125 Removed redundant argument. Added support for reduction patterns.
17126 (vectorizable_reduction): Added support for reduction patterns.
17127 (vect_transform_stmt): Added support for patterns.
17129 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17130 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17131 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17132 (expand_widen_pattern_expr): New function.
17133 (init_optabs): Initialize new optabs udot_prod_optab,
17135 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17136 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17137 (expand_widen_pattern_expr): New function declaration.
17138 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17140 * tree-inline.c (estimate_num_insns_1): Added cases for new
17141 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17142 * tree-pretty-print.c (dump_generic_node): Likewise.
17143 (op_prio): Likewise.
17144 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17145 * tree-ssa-operands.c (get_expr_operands): Added case for
17147 * tree-vect-patterns.c (widened_name_p): New function.
17148 (vect_recog_dot_prod_pattern): Added function implementation.
17149 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17150 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17151 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17152 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17154 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17155 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17156 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17157 (init_optabs): Initialize new optabs widen_ssum_optab,
17159 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17160 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17161 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17162 use instead of type of def.
17163 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17164 function implementation.
17165 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17166 widen_ssumv8hi): New.
17168 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17171 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17174 * c-decl.c (add_flexible_array_elts_to_size): New function.
17175 (finish_decl): Use it.
17177 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17179 * diagnostic.h: Include options.h.
17180 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17181 dependancies for diagnostic.h.
17182 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17184 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17186 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17187 (ssa_ro_call_cache_valid): Ditto.
17188 * tree-ssa-alias.c (sort_tags_by_id): New function.
17189 (init_transitive_clobber_worklist): Ditto.
17190 (add_to_worklist): Ditto.
17191 (mark_aliases_call_clobbered): Ditto.
17192 (compute_tag_properties): Ditto.
17193 (set_initial_properties): Ditto.
17194 (compute_call_clobbered): Ditto.
17195 (compute_may_aliases): Call compute_call_clobbered and grouping.
17196 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17197 (compute_flow_insensitive_aliasing): Grouping now happens in our
17199 (setup_pointers_and_addressables): Remove clobbering related code.
17200 (add_may_alias): Ditto.
17201 (replace_may_alias): Ditto.
17202 (get_nmt_for): Ditto.
17203 (create_global_var):
17204 (is_escape_site): Return an escape_type enumeration.
17205 * tree-flow-inline.h (is_call_clobbered): Global var does not
17206 imply call clobbered.
17207 (mark_call_clobbered): Take a reason for marking this. Remove
17208 marking of globalness, and cache invalidation.
17209 (clear_call_clobbered): Remove cache invalidation code.
17210 * tree-dfa.c (dump_variable): If details is on, dump the reason
17212 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17214 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17215 (struct var_ann_d): Ditto.
17216 (enum escape_type): New.
17217 (mark_call_clobbered): Adjust prototype.
17218 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17219 are never call clobbered.
17220 Record reasons for escaping.
17221 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17222 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17223 (ssa_ro_call_cache_valid): Ditto.
17224 (clobbered_v_may_defs): Ditto.
17225 (clobbered_vuses): Ditto.
17226 (ro_call_vuses): Ditto.
17227 (clobber_stats): New.
17228 (init_ssa_operands): Zero out clobber stats.
17229 (fini_ssa_operands): Print out clobber stats.
17230 (get_call_expr_operands): Pass callee fndecl to
17231 add_call_read_ops).
17232 (add_call_clobber_ops): Remove use of cache.
17233 Add use of PURE_CONST information.
17234 (add_call_read_ops): Remove use of cache.
17235 Add use of static not_read information.
17237 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17239 Introduce TLS descriptors for i386 and x86_64.
17240 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17241 (TARGET_ANY_GNU_TLS): New macro.
17242 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17243 (struct machine_function): Add tls_descriptor_call_expanded_p.
17244 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17245 (ix86_current_function_calls_tls_descriptor): Likewise.
17246 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17247 (override_options): Introduce gnu2 tls dialect.
17248 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17250 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17252 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17253 (ix86_init_machine_status): Initialize new field.
17254 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17255 (ix86_tls_module_base): New.
17256 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17257 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17258 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17259 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17260 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17261 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17262 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17263 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17264 * config/i386/predicates.md (tls_modbase_operand): New.
17265 (tp_or_register_operand): New.
17267 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17269 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17270 (look_for_address_of): Ditto.
17271 (ipa_init): Walk the function decls.
17272 (static_execute): Don't set readonly on FUNCTION_DECL's.
17274 2006-01-18 Roger Sayle <roger@eyesopen.com>
17276 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17277 for shifts where the source and destination registers are different.
17279 2006-01-18 Paul Brook <paul@codesourcery.com>
17281 Merge from csl-arm-branch.
17282 2005-03-14 Julian Brown <julian@codesourcery.com>
17283 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17284 (aeabi_llsl): Likewise.
17285 (ashrdi3): Likewise.
17286 (aeabi_lasr): Likewise.
17287 (lshrdi3): Likewise.
17288 (aeabi_llsr): Likewise.
17289 2005-03-10 Julian Brown <julian@codesourcery.com>
17290 * config.gcc: Disable shared libgcc for SymbianOS.
17291 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17293 2006-01-18 DJ Delorie <dj@redhat.com>
17295 * c-pragma.c (handle_pragma_diagnostic): New.
17296 (init_pragma): Register it.
17297 * doc/extend.texi: Document it.
17299 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17300 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17301 (diagnostic_context): Add classify_diagnostic[].
17302 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17303 as errors if they're overridden to DK_WARNING.
17304 (diagnostic_initialize): Initialize classify_diagnostic[].
17305 (diagnostic_set_kind_override): New.
17306 (diagnostic_report_diagnostic): Check for kind changes.
17307 * opts.c (common_handle_option): Take lang_mask. Update callers.
17308 Handle OPT_Werror_.
17309 * common.opt (Werror=): New.
17310 * doc/invoke.texi: Document -Werror=*
17312 2006-01-18 Jeff Law <law@redhat.com>
17314 * tree-vrp.c (test_for_singularity): Correct test for new
17315 min limit. Use operand_equal_p rather than pointer equality
17316 for testing if new min/max values are equal.
17318 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17319 using range information until after propagation and folding.
17321 2006-01-18 Richard Henderson <rth@redhat.com>
17322 Aldy Hernandez <aldyh@redhat.com>
17323 Jakub Jelinek <jakub@redhat.com>
17324 Diego Novillo <dnovillo@redhat.com>
17326 * omp-low.c: New file.
17327 * c-omp.c: New file.
17329 2006-01-18 Richard Henderson <rth@redhat.com>
17330 Jakub Jelinek <jakub@redhat.com>
17331 Diego Novillo <dnovillo@redhat.com>
17333 * doc/invoke.texi: Document -fopenmp.
17334 * tree-dump.h (debug_function): Declare.
17335 * hooks.c (hook_bool_tree_bool_false): New function.
17336 (hook_tree_tree_null): Remove.
17337 (hook_tree_tree_tree_null): New.
17338 * hooks.h: Update to match.
17339 * tree-pretty-print.c (debug_tree_chain): New.
17340 (print_generic_expr): Handle TDF_CHAIN.
17341 (dump_generic_node): Handle BLOCK.
17342 Do not abort with incomplete SWITCH_EXPRs.
17343 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17344 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17345 print space after directive name.
17346 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17347 Handle OMP_MASTER and OMP_ORDERED.
17348 Handle printing of OMP_BODY just in one place, goto
17349 dump_omp_body in the rest of OMP_* nodes that have
17351 Don't handle clause nodes here. Update omp statements to
17352 use dump_omp_clauses.
17353 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17354 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17355 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17356 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17357 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17358 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17359 Adjust output for GOMP_PARALLEL.
17360 (dump_omp_clauses): New.
17361 (print_declaration): Dump DECL_VALUE_EXPR.
17362 (op_symbol_1): Split out of op_symbol.
17363 (dumping_stmts): Remove. Update all users.
17364 * cgraph.c (cgraph_analyze_queue): New.
17365 (cgraph_add_new_function): New.
17366 * cgraph.h (cgraph_analyze_queue): Declare.
17367 (cgraph_add_new_function): Declare.
17368 (cgraph_lower_function): Remove.
17369 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17370 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17371 and TYPE_P nodes in its default clause.
17372 (empty_body_p): New.
17373 (tree_range_check_failed): New.
17374 (build5_stat): New.
17375 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17376 OMP_CLAUSE_REDUCTION_MERGE,
17377 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17378 OMP_CLAUSE_PRIVATE_DEBUG,
17379 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17380 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17381 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17382 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17383 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17384 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17385 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17386 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17387 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17388 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17389 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17390 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17391 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17392 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17393 (TREE_RANGE_CHECK): New.
17394 (empty_body_p): Declare.
17395 (enum omp_clause_default_kind): New.
17396 (build_string_literal): Declare.
17397 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17398 (build5_stat, build5): Declare.
17399 * tree-pass.h (TDF_CHAIN): Define.
17400 * tree-pass.h (PROP_gimple_lomp): Define.
17401 (pass_lower_omp): Declare.
17402 * diagnostic.h (debug_tree_chain): Declare.
17403 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17405 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17406 * builtins.c (build_string_literal): Make extern.
17407 * gcc.c (include_spec_function): New.
17408 (static_spec_functions): Add it.
17409 (main): Move load of libgomp.spec ...
17410 (LINK_COMMAND_SPEC): ... here.
17411 (link_gomp_spec): New.
17412 (static_specs): Include it.
17413 (LINK_COMMAND_SPEC): Add link_gomp.
17414 (GOMP_SELF_SPECS): New.
17415 (driver_self_specs): Include it.
17416 (switch_matches): Don't mark inline.
17417 (main): Load libgomp.spec.
17418 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17419 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17420 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17421 * tree-gimple.h (enum omp_parallel): Declare.
17422 (determine_parallel_type): Declare.
17423 (omp_firstprivatize_variable): Declare.
17424 (omp_reduction_init): Declare.
17425 (diagnose_omp_structured_block_errors): Declare.
17426 (struct walk_stmt_info): Add want_return_expr.
17427 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17428 (find_omp_clause): Declare.
17429 (insert_field_into_struct): Declare.
17430 (struct walk_stmt_info): Move from tree-nested.c
17431 (walk_stmts): Declare.
17432 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17434 * cgraphunit.c (cgraph_lower_function): Make static.
17435 (cgraph_finalize_pending_functions): New.
17436 (cgraph_finalize_function): Call it.
17437 (cgraph_finalize_compilation_unit): Likewise.
17438 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17439 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17440 (BT_FN_UINT_UINT): New.
17441 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17442 DEF_FUNCTION_TYPE_VAR_4): Document.
17443 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17444 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17445 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17446 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17447 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17448 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17449 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17450 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17451 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17452 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17453 into separate files.
17454 (DEF_GOMP_BUILTIN): New.
17455 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17456 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17457 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17458 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17459 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17460 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17461 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17462 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17463 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17464 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17465 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17466 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17467 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17468 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17469 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17470 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17471 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17472 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17473 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17474 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17475 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17476 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17477 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17478 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17479 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17480 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17481 * sync-builtins.def: New file, moved from builtins.def.
17482 * omp-builtins.def: New file, moved from builtins.def.
17483 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17484 * gimple-low.c (lower_function_body): Clear data.
17485 (lower_stmt): Do not handle COMPOUND_EXPR.
17486 Remove call to print_node_brief.
17487 * c-tree.h (c_finish_omp_clauses): New prototype.
17488 (C_DECL_THREADPRIVATE_P): Define.
17489 (lookup_name_no_remap, c_omp_remap_private): Remove
17490 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17491 (check_for_loop_decls): Update decl.
17492 (lookup_name_no_remap, c_omp_remap_private): Declare.
17493 (build_indirect_ref, build_modify_expr, pushdecl,
17494 pushdecl_top_level): Move to c-common.h.
17495 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17496 before the switch, but just in the 2 places that need it.
17497 * c-decl.c (diagnose_mismatched_decls): Do not check for
17498 mismatched thread-local attributes when OLDDECL is marked
17499 threadprivate and NEWDECL has no thread-local attributes.
17500 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17501 (c_gimple_diagnostics_recursively): Rename from
17502 c_warn_unused_result_recursively. Invoke
17503 diagnose_omp_structured_block_errors.
17504 (check_for_loop_decls): Return a singular decl found.
17505 * langhooks.c (lhd_omp_predetermined_sharing): Return
17506 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17507 (lhd_omp_firstprivatize_type_sizes): New.
17508 (lhd_omp_assignment): New.
17509 (lhd_omp_predetermined_sharing): New.
17510 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17511 (struct lang_hooks_for_types): Add
17512 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17513 omp_predetermined_sharing, omp_disregard_value_expr,
17514 omp_private_debug_clause, omp_clause_default_ctor,
17515 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17516 (c_finish_omp_clauses): New.
17517 (c_finish_bc_stmt): Diagnose break within omp for.
17518 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17519 (build_unary_op): Return error_mark after reporting
17521 (build_modify_expr): Likewise.
17522 * gimplify.c: Include optabs.h and pointer-set.h.
17523 (enum gimplify_omp_var_data): Declare.
17524 (struct gimplify_omp_ctx): Declare.
17525 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17527 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17528 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17529 (splay_tree_compare_decl_uid): New.
17530 (new_omp_context): New.
17531 (delete_omp_context): New.
17532 (gimple_add_tmp_var): Call omp_add_variable.
17533 (gimplify_bind_expr): Likewise.
17534 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17535 true, disregard DECL_VALUE_EXPR on the decl if any.
17536 (gimplify_expr_in_ctx): New.
17537 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17538 omp_add_variable, omp_notice_variable, omp_is_private
17539 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17540 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17541 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17542 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17543 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17544 gimplify_omp_atomic): New.
17545 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17546 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17547 OMP_CRITICAL and OMP_ATOMIC.
17548 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17549 * c-pragma.h (enum pragma_kind): Add
17550 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17551 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17552 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17553 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17554 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17555 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17556 PRAGMA_OMP_THREADPRIVATE.
17557 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17558 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17559 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17560 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17561 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17562 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17563 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17564 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17565 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17566 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17567 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17568 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17569 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17571 (struct nesting_info): Add field_map,
17572 suppress_expansion, debug_var_chain.
17573 (create_nesting_tree): Initialize them.
17574 (lookup_field_for_decl): Use field_map.
17575 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17576 (convert_local_omp_clauses): New.
17577 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17578 (walk_body): Split out of walk_function.
17579 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17580 (convert_nonlocal_reference): Handle omp statements.
17581 (convert_local_reference): Likewise.
17582 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17583 (unnest_nesting_tree): New.
17584 (lower_nested_functions): Call it.
17585 (insert_field_into_struct): Make extern.
17586 (struct walk_stmt_info): Move to tree-gimple.h.
17587 (walk_stmts): Make extern.
17588 * omp-builtins.def: New file.
17589 * tree-iterator.c (expr_only): Clarify comment.
17590 * c-common.h (pushdecl_top_level, pushdecl,
17591 build_modify_expr, build_indirect_ref,
17592 c_finish_omp_master, c_finish_omp_critical,
17593 c_finish_omp_ordered, c_finish_omp_barrier,
17594 c_finish_omp_atomic, c_finish_omp_flush,
17595 c_finish_omp_for, c_split_parallel_clauses,
17596 omp_clause_default_kind, c_omp_sharing_predetermined,
17597 c_omp_remap_decl): Declare.
17598 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17599 (OBJS-common): Add omp-low.o.
17600 (c-omp.o, omp-low.o): Add.
17601 (gimplify.o): Add dependency on $(OPTABS_H).
17602 (GTFILES): Add omp-low.c.
17603 (gt-stringpool.h): Add.
17604 * tree-cfg.c (set_bb_for_stmt): Do not update the
17605 block-to-labels map if we are currently expanding to RTL.
17606 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17608 Handle IDENTIFIER_NODE.
17609 (tree_verify_flow_info): Do not ICE when emitting error
17610 messages about invalid labels.
17611 (dump_function_to_file): Reset CFUN before emitting the body
17613 (debug_function): New.
17614 * passes.c (init_optimization_passes): Schedule
17616 * langhooks-def.h (lhd_omp_predetermined_sharing,
17617 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17619 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17620 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17621 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17622 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17623 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17624 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17625 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17626 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17627 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17628 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17629 (LANG_HOOK_DECLS): Use them.
17631 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17632 Richard Henderson <rth@redhat.com>
17633 Jakub Jelinek <jakub@redhat.com>
17634 Diego Novillo <dnovillo@redhat.com>
17636 * c-parser.c (pragma_omp_clause): Define.
17637 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17638 (c_parser_compound_statement): Likewise.
17639 (c_parser_statement): Likewise.
17640 (c_parser_pragma): Handle omp pragmas.
17641 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17642 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17643 (c_parser_omp_clause_name, check_no_duplicate_clause,
17644 c_parser_omp_variable_list,
17645 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17646 c_parser_omp_clause_copyprivate,
17647 c_parser_omp_clause_default,
17648 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17649 c_parser_omp_clause_lastprivate,
17650 c_parser_omp_clause_nowait,
17651 c_parser_omp_clause_num_threads,
17652 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17653 c_parser_omp_clause_reduction,
17654 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17655 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17656 c_parser_omp_atomic, c_parser_omp_barrier,
17657 c_parser_omp_critical, c_parser_omp_flush,
17658 c_parser_omp_for_loop, c_parser_omp_for,
17659 c_parser_omp_master, c_parser_omp_ordered,
17660 c_parser_omp_sections_scope, c_parser_omp_sections,
17661 c_parser_omp_parallel, c_parser_omp_single,
17662 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17663 * c-pragma.c (init_pragma): Do omp pragma registration here.
17664 * c.opt (fopenmp): New flag.
17666 2006-01-18 Eric Christopher <echristo@apple.com>
17668 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17669 * config/darwin.h (GOMP_SELF_SPECS): Define.
17671 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17673 * rtl.h: Remove the prototype for reg_alloc.
17675 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17678 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17679 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17680 sjlj and dwarf2 exception handling.
17681 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17682 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17683 * pa/pa.c (function_value): Treat complex and vector types as
17685 (function_arg): Likewise. Only pass scalar floats in the floating
17686 point argument registers.
17687 * pa/t-slibgcc-dwarf-ver: New file.
17688 * pa/t-slibgcc-sjlj-ver: New file.
17689 * pa/t-slibgcc-elf-ver: Delete file.
17691 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17693 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17694 unlikely_test_section_p test.
17696 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17698 * mode-switching.c (optimize_mode_switching): Make it static.
17699 * basic-block.h: Remove the prototype for
17700 optimize_mode_switching.
17702 * modulo-sched.c (sms_schedule): Make it static.
17703 * rtl.h: Remove the prototype for sms_schedule.
17705 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17706 * rtl.h: Remove the prototype for gcse_after_reload_main.
17708 * reg-stack.c (reg_to_stack): Make it static.
17709 * rtl.h: Remove the prototype for reg_to_stack.
17711 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17713 * rtl.h: Remove the prototypes for regrename_optimize and
17714 copyprop_hardreg_forward.
17716 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17718 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17719 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17720 Test against the appropriate null constant for the mode.
17721 If 'fixup_overlap' is true, swap the operands if they overlap.
17722 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17723 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17724 alpha_split_tmode_pair and adjust for above change.
17725 * config/alpha/alpha.md (movtf_internal): Adjust call to
17726 alpha_split_tfmode_pair and rely on it to swap the operands.
17727 (movti_internal): New insn and post-reload splitter.
17728 (movti): New expander.
17730 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17732 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17735 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17737 * rtlanal.c (global_reg_mentioned_p_1,
17738 global_reg_mentioned_p): Remove.
17739 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17741 * flow.c (initialize_uninitialized_subregs): Make it static.
17742 * rtl.h: Remove the prototype for
17743 initialize_uninitialized_subregs.
17745 * function.c (instantiate_virtual_regs): Make it static.
17746 * function.h: Remove the prototype for
17747 instantiate_virtual_regs.
17749 * regmove.c (regmove_optimize, combine_stack_adjustments):
17751 * rtl.h: Remove the prototypes for regmove_optimize and
17752 combine_stack_adjustments.
17754 2006-01-17 Roger Sayle <roger@eyesopen.com>
17756 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17757 (size_cost): Encode costs in bytes so that a reg-reg addition is
17758 equivalent to COSTS_N_INSNS(1).
17759 (override_options): Use the size_cost.branch_cost as the default
17760 ix86_branch_cost when optimizing for size.
17762 2006-01-18 Ben Elliston <bje@au.ibm.com>
17764 * Makefile.in (D32PBIT_FUNCS): New.
17765 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17766 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17767 D64PBIT_FUNCS and D128PBIT_FUNCS.
17768 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17769 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17771 (decnumber_dep): Define.
17772 * doc/libgcc.texi (Decimal float library routines): New node.
17773 * config/dfp-bit.h, config/dfp-bit.c: New files.
17775 2006-01-18 Ben Elliston <bje@au.ibm.com>
17777 * expr.c (emit_move_change_mode): Always adjust addresses, not
17778 just during reload. Copy replacements only during reload.
17779 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17780 emit_move_via_integer.
17782 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17784 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17785 instead of $(srcdir) and ${srcdir}.
17787 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17790 PR middle-end/11135
17791 * arm.h (struct machine_function): Add pic_reg.
17792 * arm.c (arm_pic_register): Make unsigned.
17793 (arm_override_options): Only set arm_pic_register if
17794 TARGET_SINGLE_PIC_BASE.
17795 (use_return_insn): Only test for a pic register if it is fixed.
17796 (arm_compute_save_reg0_reg12_mask): Likewise.
17797 (thumb_compute_save_reg_mask): Likewise.
17798 (legitimate_pic_operand): Factor out some known invariants.
17799 (legitimize_pic_address): If we don't have a fixed pic register,
17800 then set up a pseudo in the function entry sequence. Handle the
17801 pic base being in a pseudo.
17802 (arm_load_pic_register): Handle the pic register being in a pseudo.
17803 (arm_expand_prologue): Only set up the pic register if it is fixed.
17804 (thumb_expand_prologue): Likewise.
17805 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17806 (pic_load_addr_based_insn): Likewise.
17807 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17810 2006-01-18 Ben Elliston <bje@au.ibm.com>
17812 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17813 decimal float modes for all floating point registers.
17815 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17816 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17818 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17821 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17822 even when the pointer is not NULL.
17824 2006-01-16 Ian Lance Taylor <ian@airs.com>
17826 * common.opt (ftoplevel-reorder): New option.
17827 * cgraph.c (cgraph_asm_nodes): New global variable.
17828 (cgraph_asm_last_node): New static variable.
17829 (cgraph_order): New global variable.
17830 (cgraph_create_node): Set new order field.
17831 (cgraph_varpool_node): Likewise.
17832 (decide_is_variable_needed): Return true if not
17833 flag_toplevel_reorder.
17834 (cgraph_add_asm_node): New function.
17835 * cgraph.h (struct cgraph_node): Add order field.
17836 (struct cgraph_varpool_node): Add order field.
17837 (struct cgraph_asm_node): Define.
17838 (cgraph_asm_nodes, cgraph_order): Declare.
17839 (cgraph_add_asm_node): Declare.
17840 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17842 (cgraph_varpool_assemble_pending_decls): Call it.
17843 (cgraph_output_pending_asms): New static function.
17844 (cgraph_finalize_compilation_unit): Call it.
17845 (struct cgraph_order_sort): Define.
17846 (cgraph_output_in_order): New static function.
17847 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17848 !flag_toplevel_reorder case.
17849 * c-parser.c: Include "cgraph.h".
17850 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17852 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17853 than -fno-unit-at-a-time.
17854 * doc/invoke.texi (Option Summary): Mention
17855 -fno-toplevel-reorder.
17856 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17857 -funit-at-a-time documentation.
17859 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17860 Kazu Hirata <kazu@codesourcery.com>
17862 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17864 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17866 * Makefile.in (FUNCTION_H): New. Use it instead of
17867 function.h throughout the file.
17868 * function.h: Include tree.h.
17870 2006-01-17 Ben Elliston <bje@au.ibm.com>
17872 * recog.c: Separate some functions with whitespace.
17874 2006-01-16 Richard Henderson <rth@redhat.com>
17876 Merge from gomp branch:
17877 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17878 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17879 and rename from struct inline_data. Rename callee* to dst*;
17880 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17881 transform_new_cfg, transform_return_to_modify, and
17882 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17884 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17885 (copy_decl_for_dup): Remove.
17886 * tree-inline.c (struct inline_data): Move to header.
17887 (insert_decl_map): Export.
17888 (remap_decl): Update for member name changes. Use copy_decl hook.
17889 Allow for replacement to be a non-decl. Remove dead code.
17890 (remap_type_1): Check for existing mapping.
17891 (remap_type): Export.
17892 (remap_decls): Update for member name changes.
17893 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17894 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17895 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17896 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17897 (tree_function_versioning, build_duplicate_type): Likewise.
17898 (copy_body_r): Likewise. Export.
17899 (copy_decl_for_dup): Split into ...
17900 (copy_decl_for_dup_finish, copy_decl_to_var,
17901 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17902 (replace_ref_tree, inlining_p): Remove.
17904 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17906 * ifcvt.c (if_convert): Make it static.
17907 * rtl.h: Remove the prototype for if_convert.
17909 * local-alloc.c (local_alloc): Make it static.
17910 * rtl.h: Remove the prototype for local_alloc.
17912 * loop.c (loop_optimize): Make it static.
17913 * cfgloop.h: Remove the prototype for loop_optimize.
17916 2006-01-16 DJ Delorie <dj@redhat.com>
17918 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17921 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17923 * pa.md: Disparage copies between general and floating-point registers
17924 in 32-bit move patterns.
17926 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17929 * Makefile.in (check-%): Depend on site.exp instead of
17930 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17933 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17935 * global.c (global_alloc): Make it static.
17936 * rtl.h: Remove the prototype for global_alloc.
17938 2006-01-16 Richard Guenther <rguenther@suse.de>
17940 * tree-ssa-alias.c (struct used_part): Add write_only field.
17941 (get_or_create_used_part_for): Initialize it to true.
17942 (create_overlap_variables_for): Don't create structure variables
17943 for structures that only are written to.
17944 (find_used_portions): Handle MODIFY_EXPR to track whether a
17945 structure is only written to.
17947 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17949 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17951 * basic-block.h: Remove the prototype for
17952 partition_hot_cold_basic_blocks.
17954 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17956 * cppspec.c (lang_specific_spec_functions): Remove.
17957 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17958 * gcc.h (lang_specific_spec_functions): Remove.
17959 * gccspec.c (lang_specific_spec_functions): Remove.
17961 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17963 * combine.c (record_value_for_reg): Invalidate registers
17965 (record_dead_and_set_regs_1): Likewise, by passing them to
17966 record_value_for_reg.
17967 (record_dead_and_set_regs): Invalidate stores made by a
17968 call. We do not combine across a call, but we still
17969 relied on equivalences.
17971 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17973 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17974 vrp_int_const_binop returning non-constant nodes.
17976 2006-01-16 Paul Brook <paul@codesourcery.com>
17978 * config/m68k/m68k.c (output_move_const_into_data_reg):
17979 Output correct mnemonic for mvz and mvs.
17981 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17983 * rtl-factoring.c: Add sequence abstraction algorithm.
17984 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17985 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17987 (block_has_preserve_label): New function.
17988 * common.opt: Register new pass.
17989 * Makefile.in: Ditto.
17991 * timevar.def: Ditto.
17992 * tree-pass.h: Ditto.
17993 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17994 * rtl.h (make_jump_insn_raw): Add forward decl.
17995 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17997 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17998 Roger Sayle <roger@eyesopen.com>
18000 * fold-const.c (fold_minmax): New static function.
18001 (fold_binary) <MIN_EXPR>: Call it.
18002 <MAX_EXPR>: Likewise.
18003 * stor-layout.c (place_field): Use DECL_SIZE consistently
18004 in the computation of the new record size.
18006 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18008 * cse.c (cse_condition_code_reg): Make it static.
18009 * rtl.h: Remove the prototype for cse_condition_code_reg.
18011 * combine.c (combine_instructions): Make it static.
18012 * rtl.h: Remove the prototype for combine_instructions.
18014 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18017 * tree.c (get_file_function_name_long): Concatenate the first global
18018 object name with a string derived from the input filename of the object
18021 2006-01-16 Ben Elliston <bje@au.ibm.com>
18023 * config/i386/winnt-stubs.c: Update FSF address.
18024 * config/xtensa/ieee754-df.S: Ditto.
18025 * config/xtensa/ieee754-sf.S: Ditto.
18027 2006-01-14 Ian Lance Taylor <ian@airs.com>
18029 * ifcvt.c (noce_init_if_info): New static function, broken out of
18030 noce_process_if_block.
18031 (noce_process_if_block): Call noce_init_if_info.
18032 (check_cond_move_block): New static function.
18033 (cond_move_process_if_block): New static function.
18034 (process_if_block): Call cond_move_process_if_block.
18036 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18038 * cselib.c (hash_table): Rename to cselib_hash_table.
18039 (cselib_clear_table, discard_useless_values,
18040 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18041 cselib_init, cselib_finish): Adjust uses of hash_table.
18043 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18045 PR tree-optimization/25485
18046 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18047 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18048 is known to be false and true, respectively.
18050 2006-01-14 Richard Guenther <rguenther@suse.de>
18052 PR tree-optimization/22548
18053 PR tree-optimization/22555
18054 PR tree-optimization/22501
18055 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18056 * params.def (salias-max-array-elements): New parameter.
18057 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18058 * doc/invoke.texi (salias-max-array-elements): Document.
18059 * tree-flow-inline.h (var_can_have_subvars): We also handle
18061 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18063 * tree-ssa-structalias.c (params.h): Include.
18064 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18065 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18066 (get_constraint_for): For ADDR_EXPR operating on something
18067 containing an ARRAY_REF, add all subvars to the solution.
18068 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18069 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18070 for creating MUST_DEFs.
18071 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18073 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18075 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18077 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18078 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18079 number_of_iterations_le): New functions.
18080 (number_of_iterations_special): Removed.
18081 (number_of_iterations_exit): Do not use number_of_iterations_special.
18082 * tree.c (unsigned_type_for): Always return integer type.
18084 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18085 Richard Guenther <rguenther@suse.de>
18087 PR rtl-optimization/24257
18088 * gcse.c (find_moveable_store): Only consider a store movable
18089 when the SET_SRC of the insn can be assigned to a register.
18091 2006-01-14 Ian Lance Taylor <ian@airs.com>
18093 * tree.c (tree_not_class_check_failed): New function.
18094 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18095 (tree_not_class_check_failed): Declare.
18097 2006-01-13 Ian Lance Taylor <ian@airs.com>
18099 * reload1.c (do_output_reload): Add assertion rejecting a
18102 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18104 * combine.c (struct reg_stat): Add new fields truncation_label and
18106 (record_value_for_reg): Reset truncated_to_mode.
18107 (record_truncated_value): New function.
18108 (check_promoted_subreg): Call it. Rename to check_conversions.
18109 (combine_instructions): Rename check_promoted_subreg to
18111 (reg_truncated_to_mode): New function.
18112 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18113 (gen_lowpart_or_truncate): New function.
18114 (force_to_mode): Use it instead of gen_lowpart.
18116 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18118 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18119 VAR is a tag, not its type tag.
18121 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18123 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18124 alternatives to match style of other entries.
18125 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18127 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18129 PR tree-optimization/25771
18130 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18133 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18136 * tree-inline.c (declare_return_variable): If the return variable
18137 was marked as a non gimple complex, set the return slot variable
18138 to be a non gimple comple variable.
18140 2006-01-13 Richard Guenther <rguenther@suse.de>
18142 * builtins.c (expand_builtin_sincos): New function.
18143 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18145 (expand_builtin): Expand sincos using expand_builtin_sincos.
18147 2006-01-12 DJ Delorie <dj@redhat.com>
18149 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18150 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18151 so that constant shifts can be split.
18152 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18153 (m32c_valid_pointer_mode): Make static.
18154 (shift_gen_func_for): New.
18155 (m32c_prepare_shift): Use it. Split large const shifts into
18157 * config/m32c/predicates.md (shiftcount_operand): Allow more
18159 (longshiftcount_operand): New.
18160 * doc/md.texi (Machine Constraints): Document In6.
18162 2006-01-13 Ben Elliston <bje@au.ibm.com>
18164 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18165 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18168 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18170 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18171 to try to avoid clobbering pieces of structures when we know
18172 something about the whole structure.
18173 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18175 2006-01-13 Ben Elliston <bje@au.ibm.com>
18177 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18178 return in memory, as this is no limitation is no longer present.
18180 2006-01-12 DJ Delorie <dj@redhat.com>
18182 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18183 mova with fb, and for fb+0 -> An.
18185 * config/m32c/mov.md (peephole2): Fix enabling logic.
18187 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18188 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18189 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18190 FINI_ARRAY_SECTION_ASM_OP): Define.
18192 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18194 (m32c_legitimize_reload_address): New logic to reload FB to An.
18195 (m32c_output_reg_push): Add newline.
18196 (m32c_output_reg_pop): Likewise.
18198 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18200 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18202 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18204 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18206 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18208 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18211 2006-01-11 Ben Elliston <bje@au.ibm.com>
18213 * rtlanal.c (find_reg_note): Assert insn is not null.
18215 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18217 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18220 2006-01-11 Jeff Law <law@redhat.com>
18222 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18224 (mark_threaded_blocks, register_jump_thread): New functions.
18225 (thread_through_all_blocks): Remove unwanted argument. No
18226 longer rely on e->aux to communicate thread target info.
18227 Call mark_threaded_blocks. Release the threaded_blocks
18228 bitmap and threaded_edges vector when complete.
18229 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18230 (threaded_blocks): Remove.
18231 (tree_ssa_dominator_optimize): Remove initialization and
18232 finalization of threaded_blocks. Simplify call to
18233 thread_through_all_blocks.
18234 (thread_across_edge): Call register_jump_thread rather than
18235 storing thread information into e->aux.
18236 (free_all_edge_infos): Simplify now that e->aux is no longer
18237 used to communicate with thread_through_all_blocks.
18238 * tree-flow.h (thread_through_all_blocks): Update prototype.
18239 (register_jump_thread): Prototype.
18241 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18243 * df-core.c (df_compact_blocks, df_bb_replace): Use
18244 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18246 2006-01-11 Richard Guenther <rguenther@suse.de>
18248 PR tree-optimization/25734
18249 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18250 stop propagation after successful propagation to the LHS.
18252 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18254 * basic-block.h (control_flow_graph): Change the type of
18255 x_basic_block_info to VEC(basic_block,gc) *.
18256 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18258 (SET_BASIC_BLOCK): New.
18259 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18260 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18261 * cfgbuild.c (find_basic_blocks): Likewise.
18262 * cfglayout.c (fixup_reorder_chain): Likewise.
18263 * cfgrtl.c (create_basic_block_structure,
18264 rtl_create_basic_block): Likewise.
18265 * ifcvt.c (find_if_case_1): Likewise.
18266 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18269 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18271 * Makefile.in: Removed rotted odf.c entry.
18273 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18276 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18277 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18278 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18279 output pattern modifier, not %e.
18280 * config/cris/cris.c (cris_op_str): Update comment about pattern
18282 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18283 before falling through into...
18284 <case 'E'>: Redefined from old 'e' case.
18286 2006-01-11 Jan Hubicka <jh@suse.cz>
18289 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18291 2006-01-11 Jan Hubicka <jh@suse.cz>
18293 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18294 * i386.c (x86_decompose_lea): Kill.
18295 (ix86_rtx_costs): Kill.
18297 2006-01-11 Jan Hubicka <jh@suse.cz>
18299 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18300 * cgraph.h (cgraph_node): Add inline_decl.
18301 (cgraph_insert_node_to_hashtable): Declare.
18302 (save_inline_function_body): Declare.
18303 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18305 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18306 (cgraph_function_versioning): Update call of tree_function_versioning.
18307 (save_inline_function_body): New function.
18308 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18309 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18310 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18311 (cgraph_default_inline_p): Likewise.
18312 (cgraph_decide_inlining_incrementally): Likewise.
18313 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18314 (copy_bb): Kill saving; do updating of clones.
18315 (copy_cfg_body): Kill saving.
18316 (initialize_inlined-parameters): Likewise.
18317 (expand_call_inline): Likewise.
18319 (tree_function_versioning): New parameter "update_clones".
18320 (inlining_p): Kill saving.
18321 * tree-inline.h (tree_function_versioning): Update prototype.
18322 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18325 2006-01-11 Ian Lance Taylor <ian@airs.com>
18327 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18328 Allow undoing set of machine mode.
18329 (do_SUBST): Use enums instead of is_int.
18330 (do_SUBST_MODE): New function.
18331 (SUBST_MODE): New macro.
18332 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18333 reg and trying to replace reg_regno_rtx with a new register.
18334 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18335 (simplify_set): Use SUBST_MODE.
18336 (distribute_notes): Remove code that tried to update reg notes
18337 for regno_reg_rtx changes.
18339 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18341 PR tree-optimization/23109
18342 PR tree-optimization/23948
18343 PR tree-optimization/24123
18345 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18346 * tree-cfg.c (single_noncomplex_succ): New.
18347 * tree-flow.h (single_noncomplex_succ): Declare it.
18348 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18349 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18350 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18351 insert_bb, register_division_in, insert_reciprocals,
18352 replace_reciprocal, free_bb): New.
18353 (execute_cse_reciprocals_1): Rewritten.
18354 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18355 Do not commit any edge insertion. Always compute dominators and
18356 create the allocation pool.
18357 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18358 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18359 * targhooks.c (default_min_divistions_for_recip_mul): New.
18360 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18361 * passes.c (init_optimization_passes): Run recip after tree loop
18363 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18365 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18366 Kenneth Zadeck <zadeck@naturalbridge.com>
18368 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18369 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18370 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18371 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18372 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18373 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18374 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18375 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18376 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18377 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18378 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18379 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18380 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18381 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18382 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18383 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18384 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18385 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18386 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18387 DF_SCAN_POST_ALLOC): New macros.
18388 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18389 df_free_bb_function, df_local_compute_function, df_init_function,
18390 df_dataflow_function, df_confluence_function_0,
18391 df_confluence_function_n, df_transfer_function,
18392 df_finalizer_function, df_free_function, df_dump_problem_function,
18393 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18394 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18395 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18396 df_urec_bb_info, ) New types.
18397 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18399 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18400 df_analyze_simple_change_some_blocks,
18401 df_analyze_simple_change_one_block, df_compact_blocks,
18402 df_bb_replace, df_bb_regno_last_use_find,
18403 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18404 df_insn_regno_def_p, df_find_def, df_find_use,
18405 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18406 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18407 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18408 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18409 debug_df_chain, df_get_dependent_problem, df_chain_create,
18410 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18411 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18412 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18413 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18414 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18415 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18416 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18417 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18418 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18419 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18420 df_reorganize_refs, df_set_state, df_hard_reg_init,
18421 df_read_modify_subreg_p) New public functions.
18422 * df-core.c: The core dataflow solver and glue routines for rtl
18424 (df_init, df_add_problem, df_set_blocks, df_finish,
18425 df_hybrid_search_forward, df_hybrid_search_backward,
18426 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18427 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18428 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18429 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18430 df_reg_defined, df_find_use, df_reg_used, df_dump,
18431 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18432 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18433 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18434 debug_df_useno, reset_df_after_reload): New functions.
18435 * df-scan.c: The scanning fuctions, once in df.c, completely
18436 rewritten so that they now fully model the functionality of
18437 register usage at the backend.
18438 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18439 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18440 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18441 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18442 df_get_artificial_defs, df_get_artificial_uses,
18443 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18444 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18445 df_refs_delete, df_reorganize_refs, df_set_state,
18446 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18447 df_def_record_1, df_defs_record, df_uses_record,
18448 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18449 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18450 df_record_exit_block_uses, df_hard_reg_init): New functions.
18452 * df-problems.c: Seven concrete dataflow problems that use the
18453 scanning in df-scan.c and are solved by the engine in df-core.c.
18454 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18455 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18456 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18457 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18458 df_ru_free_bb_info, df_ru_alloc,
18459 df_ru_bb_local_compute_process_def,
18460 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18461 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18462 df_ru_transfer_function, df_ru_free, df_ru_dump,
18463 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18464 df_rd_free_bb_info, df_rd_alloc,
18465 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18466 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18467 df_rd_transfer_function, df_rd_free, df_rd_dump,
18468 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18469 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18470 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18471 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18472 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18473 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18474 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18475 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18476 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18477 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18478 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18479 df_urec_mark_reg_use_for_earlyclobber,
18480 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18481 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18482 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18483 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18484 df_chain_create_bb_process_use, df_chain_create_bb,
18485 df_chain_finalize, df_chain_free, df_chains_dump,
18486 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18487 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18488 df_reg_lifetime): New functions.
18489 * df.c: Deleted file.
18490 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18491 consistent with new df api.
18492 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18493 rest_of_handle_sms): Ditto.
18494 * web.c (unionfind_union, union_defs, entry_register, web_main):
18496 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18497 invariant_expr_equal_p, find_defs, check_dependencies,
18498 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18499 free_inv_motion_data, move_loop_invariants): Ditto.
18500 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18501 Update dependencies.
18502 (odf.c): Added defective entry that was deleted later in day.
18503 * sched-deps.c (sched_analyze_1): Ditto.
18505 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18507 * tree-ssa-operands.c (get_expr_operands): Record addressable
18508 variables directly. Do not call add_stmt_operands for CONST_DECLs
18510 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18511 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18513 2006-01-11 Ben Elliston <bje@au.ibm.com>
18515 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18516 function returns true in the positive case.
18518 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18521 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18522 for SI, DI, SF and DF modes. Add alternatives to copy between
18523 general and floating point registers to the 32-bit patterns.
18524 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18525 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18526 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18527 generating 64-bit code.
18528 * config/pa/pa.c (output_move_double): Handle copies between general
18529 and floating registers.
18531 2006-01-10 Stuart Hastings <stuart@apple.com>
18533 * config/i386/i386.md (set_got): Update.
18534 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18535 (builtin_setjmp_receiver): Mach-O support.
18536 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18537 (GOT_SYMBOL_NAME): Define.
18538 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18539 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18540 * config/i386/i386.c (override_options): Revise for Darwin.
18541 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18542 support. (darwin_x86_file_end): New. (output_set_got): Add label
18543 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18544 * config/i386/i386-protos.h (output_set_got): Likewise.
18545 * config/darwin.c (machopic_legitimize_pic_address): Update
18548 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18550 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18551 when MODE isn't BLKmode.
18553 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18555 PR rtl-optimization/25367
18556 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18558 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18561 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18562 for a negative bound.
18564 2006-01-10 Richard Guenther <rguenther@suse.de>
18566 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18567 Never override with anything constraint.
18569 2006-01-10 Jan Beulich <jbeulich@novell.com>
18571 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18572 256 bits when optimize_size.
18574 2006-01-10 Jan Beulich <jbeulich@novell.com>
18576 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18578 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18579 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18582 2006-01-10 Ben Elliston <bje@au.ibm.com>
18584 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18586 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18587 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18588 (USE_FP_FOR_ARG): Reject decimal float modes.
18589 (function_arg_advance): Likewise.
18590 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18591 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18592 point types in AltiVec vectors.
18593 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18594 (rs6000_libcall_value): Likewise.
18596 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18598 * config/xtensa/ieee754-df.S: New file.
18599 * config/xtensa/ieee754-sf.S: New file.
18600 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18601 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18602 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18604 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18606 * config/sh/predicates.md (binary_float_operator,
18607 binary_logical_operator, commutative_float_operator,
18608 equality_comparison_operator, greater_comparison_operator,
18609 less_comparison_operator, logical_operator,
18610 noncommutative_float_operator, shift_operator,
18611 symbol_ref_operand, unary_float_operator): Remove redundant
18614 2006-01-09 Jeff Law <law@redhat.com>
18616 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18617 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18618 now unused arguments. Callers updated.
18619 (eliminate_redundant_computations): Remove now unused arguments,
18621 (local_fold): Remove, no longer used.
18622 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18624 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18625 (simplify_cond): New function.
18626 (forward_propagate_into_cond): Call simplify_cond.
18628 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18630 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18631 (*vec_extractv2di_1_sse): New.
18633 2006-01-09 Ben Elliston <bje@au.ibm.com>
18635 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18637 2006-01-08 Richard Guenther <rguenther@suse.de>
18639 * tree-ssa-structalias.c (get_constraint_for): Remove
18640 anyoffset argument.
18641 (get_constraint_for_component_ref): Likewise.
18642 (do_deref): Likewise.
18643 (get_constraint_for): Likewise.
18644 (do_structure_copy): Likewise.
18645 (handle_ptr_arith): Likewise.
18646 (find_func_aliases): Likewise. Remove unused need_anyoffset
18649 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18650 Kaz Kojima <kkojima@gcc.gnu.org>
18652 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18653 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18654 (EXTRA_CONSTRAINT_C16): Remove.
18655 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18656 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18657 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18658 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18659 constants of SHmedia. Handle nested constant expressions of
18661 (andcosts): Fix the costs for SHmedia constants.
18662 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18663 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18664 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18665 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18666 (movv4hi_i, movv2si_i): Likewise.
18667 (movsi_const): Adjust the second operand of ior so to match with
18668 the Csu constraint.
18669 (movdi_const, movdi_const_32bit): Likewise.
18670 (movdi_const_16bit+1): Don't sign-extend LOW.
18671 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18673 (*double_shori): Fix the split condition. Use GEN_INT instead
18674 of get_int_mode calls. Mask lower 16-bit of the argument of
18676 (sym2GOTPLT): Remove.
18677 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18679 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18680 instead of EXTRA_CONSTRAINT_C16.
18682 2006-01-07 Ian Lance Taylor <ian@airs.com>
18683 David Edelsohn <edelsohn@gnu.org>
18685 PR rtl-optimization/25662
18686 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18687 for constant operands instead of simplify_gen_binary.
18688 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18689 after trying simplify_binary_operation
18691 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18693 * tree.c (iterative_hash_expr): Hash decls based on UID.
18695 2006-01-06 Eric Christopher <echristo@apple.com>
18697 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18698 (TARGET_UNWIND_EMIT): Fix spelling.
18699 * target.h (gcc_target): Add except_table_label.
18700 * except.c (output_function_exception_table): Use.
18701 * varasm.c (default_emit_except_table_label): New.
18702 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18704 (asm_out): Add here.
18705 * output.h (default_emit_except_table_label): Prototype.
18706 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18707 * config/darwin.c (darwin_emit_except_table_label): Define.
18708 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18710 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18712 PR tree-optimization/18527
18713 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18714 number_of_iterations_special, number_of_iterations_exit):
18715 Move base and step of an iv to a single structure. Add
18716 no_overflow flag, and use it in # of iterations analysis.
18717 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18718 folded_casts argument.
18719 (simple_iv): Pass base and step in a structure. Set no_overflow
18721 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18722 Evaluate expensiveness of computing # of iterations instead of
18723 the final expression.
18724 * tree-scalar-evolution.h (affine_iv): New structure.
18725 (simple_iv): Declaration changed.
18726 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18727 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18728 find_givs_in_stmt): Changed due to simple_iv change.
18730 2006-01-06 Jeff Law <law@redhat.com>
18733 * tree-cfg.c (bsi_replace): Rename final argument from
18734 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18735 change (stmt -> orig_stmt).
18736 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18737 (bsi_remove): Add new argument. Remove EH information
18739 (verify_eh_throw_table_statements): New function.
18740 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18742 * tree-optimize.c (execute_free_cfg_annotations): Verify
18743 the EH throw statement table after removing annotations.
18744 * except.h (verify_eh_throw_table_statements): Prototype.
18745 * tree-flow.h (bsi_remove): Update prototype.
18746 * tree-vrp.c (remove_range_assertions): Add new argument to
18748 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18749 * tree-complex.c (expand_complex_div_wide): Likewise.
18750 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18751 * tree-tailcall.c (eliminate_tailcall): Likewise.
18752 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18753 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18754 * tree-nrv.c (tree_nrv): Likewise.
18755 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18756 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18757 (combine_blocks): Likewise.
18758 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18759 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18760 (cleanup_control_flow): Likewise.
18761 (remove_forwarder_block): Likewise.
18762 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18763 * tree-sra.c (sra_replace): Likewise.
18764 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18765 (forward_propagate_single_use_vars): Likewise.
18766 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18767 * tree-inline.c (expand_call_inline): Likewise.
18768 * tree-vect-transform.c (vect_transform_loop): Likewise.
18769 * tree-outof-ssa.c (rewrite_trees): Likewise.
18770 * tree-cfg.c (make_goto_expr_edges): Likewise.
18771 (cleanup_dead_labels): Likewise.
18772 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18773 (bsi_move_before, bsi_move_after): Likewise.
18774 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18775 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18777 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18780 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18782 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18783 on non gimple variables. Also add checks at the top for decls and
18785 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18787 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18788 and IMAGPART_EXPR for creating MUST_DEFs.
18789 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18790 and NAME_MEMORY_TAG separately from the DECLs.
18792 2006-01-06 Richard Guenther <rguenther@suse.de>
18794 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18795 annotation, if necessary.
18796 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18797 redundant calls to update_stmt.
18798 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18801 2006-01-05 Richard Henderson <rth@redhat.com>
18803 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18805 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18807 * c-typeck.c: Update copyright date.
18809 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18811 * c-typeck.c (build_c_cast): Always warn when casting
18812 from a pointer to an integer of different size, even if
18813 the node was constant.
18815 2006-01-05 Richard Guenther <rguenther@suse.de>
18817 PR tree-optimization/22555
18818 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18819 if one structure field is an array.
18820 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18821 operands even if we found a subvar, but ignore VOPs in this
18823 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18825 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18827 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18829 PR middle-end/24998
18830 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18832 2006-01-05 Richard Guenther <rguenther@suse.de>
18833 Diego Novillo <dnovillo@redhat.com>
18835 * tree-pass.h (TODO_remove_unused_locals): Define.
18836 * gimple-low.c (expand_var_p, remove_useless_vars,
18837 pass_remove_useless_vars): Remove. Update all users.
18838 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18839 (remove_unused_locals): New function.
18840 * tree-flow.h (remove_unused_locals): Declare.
18841 * passes.c (execute_todo): Call remove_unused_locals if
18842 TODO_remove_unused_locals is set.
18843 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18844 * tree-ssa-dce.c (pass_dce): Likewise.
18845 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18847 2006-01-05 Richard Guenther <rguenther@suse.de>
18849 * tree-flow.h (struct fieldoff): Decompose field to
18850 type, size and decl.
18851 * tree-ssa-alias.c (create_sft): Take type as parameter.
18852 (create_overlap_variables_for): Store type, size and decl
18853 in the fieldoff structure.
18854 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18855 of struct fieldoff.
18856 (push_fields_onto_fieldstack): Likewise.
18857 (create_variable_info_for): Likewise. Use offset for the
18858 SFT name if the decl is not available.
18860 2006-01-04 Paul Brook <paul@codesourcery.com>
18862 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18864 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18866 * lambda-code.c (can_put_in_inner_loop): Relax
18868 (can_put_after_inner_loop): New function.
18869 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18870 (perfect_nestify): Change to make copies and modify uses.
18872 2006-01-04 Richard Henderson <rth@redhat.com>
18874 Merge from gomp branch:
18875 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18876 via integer constant.
18877 (pragma_lex): Remove.
18878 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18879 rather than parsing it.
18880 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18881 handle_pragma_extern_prefix): Add %< %> quotes.
18882 (registered_pragmas): New.
18883 (c_register_pragma_1): New.
18884 (c_register_pragma): Use it.
18885 (c_register_pragma_with_expansion): Likewise.
18886 (c_invoke_pragma_handler): New.
18887 (init_pragma): Use cpp_register_deferred_pragma directly for
18889 * c-pragma.h (enum pragma_kind): New.
18890 (pragma_handler): New.
18891 (c_invoke_pragma_handler): Declare.
18892 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18894 * c-common.h (c_common_pch_pragma): Update decl.
18895 * Makefile.in (c-parser.o): Update dependencies.
18896 (GTFILES): Add c-pragma.h.
18897 * c-parser.c (struct c_token): Add pragma_kind.
18898 (struct c_parser): Add in_pragma.
18899 (c_lex_one_token): Always initialize keyword and pragma_kind.
18900 Extract data for CPP_PRAGMA.
18901 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18902 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18903 Don't allow CPP_PRAGMA_EOL if in_pragma.
18904 (c_parser_consume_pragma): New.
18905 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18906 (c_parser_skip_to_end_of_parameter): Likewise.
18907 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18908 (c_parser_skip_to_pragma_eol): New.
18909 (c_parser_external_declaration): Handle CPP_PRAGMA.
18910 (c_parser_compound_statement_nostart): Likewise.
18911 (c_parser_statement_after_labels): Likewise.
18912 (c_parser_pragma): New.
18913 (pragma_lex): Likewise.
18914 (c_parser_pragma_pch_preprocess): New.
18915 (c_parser_new): Merge into ...
18916 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18918 2006-01-04 Jeff Law <law@redhat.com>
18921 * tree-cfg.c (bsi_replace): Remove the original statement
18922 from the EH throw statement table.
18924 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18926 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18927 make the prototype extern "C" and add throw ().
18930 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18931 and pos non-negative and pos + len <= 32.
18932 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18933 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18934 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18937 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18938 as well as sizes not multiple of component size.
18941 * function.c (instantiate_expr): New function.
18942 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18943 walk its DECL_VALUE_EXPR with instantiate_expr.
18945 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18946 DW_OP_deref{,_size} if address isn't going to be added.
18948 2006-01-04 Ben Elliston <bje@au.ibm.com>
18950 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18951 * config/fp-bit.c: Likewise.
18953 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18955 * dominance.c: Add comment about why we use DFS numbering
18958 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18959 Richard Henderson <rth@redhat.com>
18961 Merge from gomp-branch:
18962 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18963 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18965 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18967 PR rtl-optimization/25578
18968 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18969 pass a parameter to simplify_shift_const if changing ASHIFTRT
18972 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18974 * builtins.c (get_builtin_sync_mem): New function.
18975 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18976 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18977 Call get_builtin_sync_mem to generate mem rtx.
18979 2006-01-03 Richard Guenther <rguenther@suse.de>
18982 * stmt.c (add_case_node): Make sure to clear overflow flags
18985 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18987 Merge from gomp-branch.
18988 * config/sparc/sync.md: New file.
18989 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18990 UNSPECV_LDSTUB): New constants.
18991 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18992 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18993 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18996 2006-01-03 Roger Sayle <roger@eyesopen.com>
18998 * combine.c (reg_subword_p): New predicate to test whether the
18999 destination of a set refers to a subword/piece of a register.
19000 (try_combine): Generalize the code to merge the setting of a
19001 pseudo to a constant followed by a set of a subword of that
19002 register to a constant.
19004 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19006 * basic-block.h (control_flow_graph): Change the type of
19007 x_label_to_block_map to VEC(basic_block,gc) *.
19008 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19009 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19011 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19012 VEC(basic_block,heap) *.
19013 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19014 ssa_prop_fini): Adjust the uses of cfg_blocks.
19016 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19018 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19020 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19021 hashing trees instead of a pointer hash.
19022 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19023 compare for MEM_EXPR.
19025 PR rtl-optimization/25130
19026 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19027 when comparing MEMs for GCSE
19029 2006-01-03 Ben Elliston <bje@au.ibm.com>
19031 * targhooks.h (default_decimal_float_supported_p): Declare.
19032 * targhooks.c (default_decimal_float_supported_p): Define.
19033 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19034 `default_decimal_float_supported_p'.
19035 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19037 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19039 * combine.c (apply_distributive_law <SUBREG>): Check
19040 TRULY_NOOP_TRUNCATION.
19042 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19044 * dwarf2out.c (have_switched_text_section): Delete.
19045 (have_multiple_function_sections): New.
19046 (have_location_lists): Make 'bool'.
19047 (add_AT_loc_list): Use 'true' not '1'.
19048 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19049 (output_loc_list): Use have_multiple_function_sections.
19050 (output_ranges): Likewise.
19051 (dwarf2out_begin_function): Set have_multiple_function_sections if
19053 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19054 Check function_section rather than DECL_SECTION_NAME.
19055 (dwarf2out_finish): Use have_multiple_function_sections.
19056 Don't clear have_location_lists.
19058 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19059 Jan Hubicka <jh@suse.cz>
19061 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19062 case of conditional jump jumping to the next instruction.
19063 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19064 cases of conditional jump jumping to the next instruction.
19066 2006-01-02 Jan Hubicka <jh@suse.cz>
19068 * i386.c (*_cost): Add COSTS_N_INSNS.
19069 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19071 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19074 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19076 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19078 * config/arm/arm.c (all_fpus): Fix comment typo.
19079 * config/darwin.c: Likewise.
19080 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19081 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19082 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19084 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19086 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19087 (rs6000_split_compare_and_swapqhi): New.
19088 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19089 (sync_compare_and_swapqhi_internal): New.
19090 * config/rs6000/rs6000-protos.h: Declare.