1 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
5 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
7 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
9 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
11 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
13 2006-11-21 Richard Guenther <rguenther@suse.de>
15 * tree-vectorizer.h (NUM_PATTERNS): Increase.
16 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
17 vect_recog_pow_pattern.
18 (vect_recog_pow_pattern): New function.
20 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
22 * config/bfin/bfin.opt (mstack-check-l1): New.
23 * doc/invoke.texi (Blackfin Options): Document it.
24 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
25 stack bounds in L1 memory if the new option is enabled.
26 (override_options): Don't allow combinations of -fstack-limit and
28 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
31 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
33 (bfin_register_move_cost): Bump costs if trying to move plain
34 integer values through accumulators.
36 2006-11-21 Ben Elliston <bje@au.ibm.com>
38 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
40 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
41 Russell Olsen <Russell_Olsen@playstation.sony.com>
42 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
43 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
44 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
45 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
46 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
48 * config.gcc: Add target for SPU.
49 * config/spu/constraints.md: New file.
50 * config/spu/crt0.c: New file.
51 * config/spu/crtend.c: New file.
52 * config/spu/crti.asm: New file.
53 * config/spu/crtn.asm: New file.
54 * config/spu/float_unsdidf.c: New file.
55 * config/spu/float_unssidf.c: New file.
56 * config/spu/predicates.md: New file.
57 * config/spu/spu-builtins.def: New file.
58 * config/spu/spu-builtins.h: New file.
59 * config/spu/spu-builtins.md: New file.
60 * config/spu/spu-c.c: New file.
61 * config/spu/spu-elf.h: New file.
62 * config/spu/spu-modes.def: New file.
63 * config/spu/spu-protos.h: New file.
64 * config/spu/spu.c: New file.
65 * config/spu/spu.h: New file.
66 * config/spu/spu.md: New file.
67 * config/spu/spu.opt: New file.
68 * config/spu/spu_internals.h: New file.
69 * config/spu/spu_intrinsics.h: New file.
70 * config/spu/spu_mfcio.h: New file.
71 * config/spu/t-spu-elf: New file.
72 * config/spu/vec_types.h: New file.
73 * config/spu/vmx2spu.h: New file.
74 * doc/contrib.texi: Document SPU contributor.
75 * doc/extend.texi: Document SPU extensions.
76 * doc/invoke.texi: Document SPU options.
77 * doc/md.texi: Document SPU constraints.
79 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
81 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
83 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
85 (flow_loop_dump): Do not dump loop level.
86 (flow_loops_find): Do not call flow_loops_level_compute.
87 * cfgloop.h (struct loop): Remove level field.
89 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
91 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
92 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
93 Use vector of edges instead of array.
94 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
95 estimate_numbers_of_iterations_loop): Ditto.
96 * predict.c (predict_loops): Ditto.
97 * loop-unroll.c (analyze_insns_in_loop): Ditto.
98 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
100 * basic-block.h: Declare heap allocation for edge vectors.
101 * tree-outof-ssa.c: Ditto.
102 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
103 * cfgloop.h (get_loop_exit_edges): Declaration changed.
105 2006-11-20 Zack Weinberg <zackw@panix.com>
107 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
108 Add another out parameter, "skip".
109 (set_gc_used_type): Adjust calls to process_gc_options. If a field
110 is tagged "skip", do not mark its type used.
112 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
115 * tree-sra.c (single_scalar_field_in_record_p): New function.
116 (decide_block_copy): Use it.
118 2006-11-20 David Daney <ddaney@avtrex.com>
120 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
121 PC to point to following instruction.
123 2006-11-20 Anatoly Sokolov <aesok@post.ru>
127 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
129 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
131 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
133 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
134 Add sh/superh.h to tm_file.
136 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
137 Mark Mitchell <mark@codesourcery.com>
139 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
141 (cpp_relocated): New function.
142 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
144 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
145 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
146 replace configured prefix with gcc_exec_prefix.
148 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
150 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
151 bfin_legitimate_constant_p.
152 * config/bfin/bfin.md (movsi expander): Check return value of
154 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
155 (expand_move): Adjust prototype.
156 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
157 invalid constants specially.
158 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
160 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
162 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
163 sibcall_value_symbol): Allow these patterns if
164 TARGET_LEAF_ID_SHARED_LIBRARY.
165 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
166 (override_options): Turn on id shared library flags if -msep-data,
167 but disallow the combination of these options on the command line.
168 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
169 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
170 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
172 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
173 * doc/invoke.texi (Blackfin Options): Document new switches.
175 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
176 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
178 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
179 inflate costs for addresses with an out-of-bounds address.
181 2006-11-19 Andrew Pinski <pinskia@gmail.com>
184 * fwprop.c (loops): Remove.
185 (forward_propagate_into): Use current_loops instead of
187 (fwprop_init): Call loop_optimizer_init instead of
189 (fwprop_done): Call loop_optimizer_finalize instead of
191 (fwprop): Use current_loops instead of loops.
193 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
196 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
198 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
201 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
202 larger than BITS_PER_WORD.
204 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
208 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
209 to MAX_FIXED_MODE_SIZE.
211 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
213 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
214 (fold_builtin_fmin_fmax): New.
215 (fold_builtin_1): Use it.
217 * fold-const.c (fold_strip_sign_ops): Handle copysign.
219 2006-11-18 Richard Guenther <rguenther@suse.de>
221 * config/i386/i386.c (ix86_builtins): New array for ix86
222 builtin function decls.
223 (def_builtin): New function.
224 (def_builtin_const): Likewise.
225 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
227 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
229 * doc/invoke.texi (core2): Add item.
231 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
233 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
234 (TARGET_CPU_DEFAULT_generic): Change value.
235 (TARGET_CPU_DEFAULT_NAMES): Add core2.
236 (processor_type): Add new constant PROCESSOR_CORE2.
238 * config/i386/i386.md (cpu): Add core2.
240 * config/i386/i386.c (core2_cost): New initialized variable.
241 (m_CORE2): New macro.
242 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
243 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
244 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
245 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
246 x86_partial_reg_dependency, x86_memory_mismatch_stall,
247 x86_accumulate_outgoing_args, x86_prologue_using_move,
248 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
249 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
250 x86_use_incdec, x86_four_jump_limit, x86_schedule,
251 x86_pad_returns): Add m_CORE2.
252 (override_options): Add entries for Core2.
253 (ix86_issue_rate): Add case for Core2.
255 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
257 * doc/invoke.texi: Fix mno-isel typo.
259 2006-11-18 Joseph Myers <joseph@codesourcery.com>
261 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
262 easy vector constant loads.
264 2006-11-18 Joseph Myers <joseph@codesourcery.com>
266 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
267 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
268 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
269 * config/rs6000/sync.md (lwsync): Emit plain sync if
272 2006-11-17 DJ Delorie <dj@redhat.com>
274 * reload1.c (reloads_unique_chain): New.
275 (reloads_conflict): Call it.
277 2006-11-17 Bob Wilson <bob.wilson@acm.org>
279 * config/xtensa/predicates.md (addsubx_operand): New.
280 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
281 (xtensa_emit_bit_branch): New.
282 (xtensa_emit_movcc): New.
283 * config/xtensa/xtensa.md (any_minmax): New code macro.
284 (minmax): New code attribute.
285 (any_cond, any_scc, any_scc_sf): New code macros.
286 (*addx2, *addx4, *addx8): Delete.
288 (*subx2, *subx4, *subx8): Delete.
290 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
291 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
292 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
293 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
294 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
295 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
296 (movsfcc_internal0, movsfcc_internal1): Likewise.
297 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
298 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
299 (xtensa_emit_bit_branch): New.
300 (xtensa_emit_movcc): New.
301 (function_arg_boundary): Add missing prototype.
303 2006-11-17 Bob Wilson <bob.wilson@acm.org>
305 * config/xtensa/xtensa.md (tstsi): Delete
307 2006-11-17 Bob Wilson <bob.wilson@acm.org>
309 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
311 2006-11-17 Bob Wilson <bob.wilson@acm.org>
313 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
315 2006-11-17 Bob Wilson <bob.wilson@acm.org>
317 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
319 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
321 * tree-vrp.c (execute_vrp): Do not update current_loops.
322 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
323 * doc/loop.texi: Remove documentation for cancelled functions.
324 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
325 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
327 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
328 (remove_path): Ensure that in delete_basic_blocks, the loops
330 (add_loop): Work on valid loop structures.
331 (loopify): Modify call of add_loop.
332 (mfb_update_loops): Removed.
333 (create_preheader): Do not update loops explicitly.
334 (force_single_succ_latches, loop_version): Do not use
335 loop_split_edge_with.
336 (loop_split_edge_with): Removed.
337 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
338 Do not use bsi_insert_on_edge_immediate_loop.
339 (split_loop_exit_edge, tree_unroll_loop): Do not use
340 loop_split_edge_with.
341 (bsi_insert_on_edge_immediate_loop): Removed.
342 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
343 use loop_split_edge_with.
344 * cfghooks.c: Include cfgloop.h.
345 (verify_flow_info): Verify that loop_father is filled iff current_loops
347 (redirect_edge_and_branch_force, split_block, delete_basic_block,
348 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
350 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
352 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
353 loop_split_edge_with.
354 (sms_schedule): Use current_loops.
355 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
356 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
358 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
359 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
360 * ifcvt.c (if_convert): Ditto.
361 * predict.c (predict_loops): Do not clear current_loops.
362 (tree_estimate_probability): Use current_loops.
363 (propagate_freq): Receive head of the region to propagate instead of
365 (estimate_loops_at_level): Do not use shared to_visit bitmap.
366 (estimate_loops): New function. Handle case current_loops == NULL.
367 (estimate_bb_frequencies): Do not allocate tovisit. Use
369 * tree-ssa-loop.c (current_loops): Removed.
370 (tree_loop_optimizer_init): Do not return loops.
371 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
372 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
373 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
374 Do not update loops explicitly.
375 * function.h (struct function): Add x_current_loops field.
376 (current_loops): New macro.
377 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
378 * loop-unroll.c (split_edge_and_insert): New function.
379 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
380 use loop_split_edge_with.
381 * loop-doloop.c (add_test, doloop_modify): Ditto.
382 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
383 * cfglayout.c (copy_bbs): Do not update loops explicitly.
384 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
385 * tree-vect-transform.c (vect_transform_loop): Do not update loops
387 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
388 (flow_loops_free): Do not free dfs_order and rc_order.
389 (flow_loops_find): Do not set dfs_order and rc_order in loops
390 structure. Do not call loops and flow info verification.
391 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
392 already belongs to some loop.
393 * cfgloop.h (struct loops): Remove struct cfg.
394 (current_loops, loop_split_edge_with): Declaration removed.
395 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
396 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
398 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
399 * basic-block.h (split_edge_and_insert): Declare.
400 * tree-cfg.c (remove_bb): Do not update loops explicitly.
402 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
404 PR tree-optimization/29801
405 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
406 (get_default_value): Use get_symbol_constant_value.
407 (set_lattice_value): ICE when the value of the constant is
409 (visit_assignment): Ignore VDEFs of read-only variables.
411 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
413 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
415 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
416 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
418 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
420 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
421 select subvars of var.
423 2006-11-17 Jakub Jelinek <jakub@redhat.com>
426 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
427 optimize if DEF doesn't have integral type.
429 2006-11-16 Mike Stump <mrs@apple.com>
431 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
432 pre-darwin9 system, unless the user asks for it directly.
433 (PREFERRED_DEBUGGING_TYPE): Likewise.
434 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
435 * config.gcc: Add suppport for darwin9.h.
436 * config/darwin9.h: Add.
437 * doc/install.texi (Specific): Clarify darwin documentation.
439 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
441 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
444 2006-11-16 Mike Stump <mrs@apple.com>
446 * Makefile.in (targhooks.o): Add $(OPTABS_H).
448 2006-11-16 Dirk Mueller <dmueller@suse.de>
450 * tree-vrp.c (get_value_range): Use XCNEW instead
452 (insert_range_assertions): Use XCNEWVEC instead
453 of XNEWVEC and memset.
454 (vrp_initialize): Same.
455 (vrp_finalize): Same.
456 * tree-ssa-ccp.c (ccp_initialize): Same.
457 * predict.c (tree_bb_level_predictions): Same.
458 * calls.c (expand_call): Same.
459 * tree-ssa-copy.c (init_copy_prop): Same.
460 (fini_copy_prop): Same.
461 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
462 of GGC_NEW and memset.
464 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
467 * gimplify.c (gimplify_expr): Only force a load for references to
468 non-BLKmode volatile values.
469 * doc/implement-c.texi (Qualifiers implementation): Document the
470 interpretation of what a volatile access is.
471 * doc/extend.texi (C++ Extensions): Rework same documentation.
473 2006-11-16 Joseph Myers <joseph@codesourcery.com>
475 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
478 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
480 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
482 (arm_neg_abssi2): Renamed from neg_abssi2.
483 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
485 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
487 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
488 number of arguments passed to local functions in SSE registers is 3.
490 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
491 number of arguments passed in SSE registers to 3.
493 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
496 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
498 (get_last_bb_insn): ... new global function.
499 (basic_block.h): Declare it.
500 * haifa-sched.c (create_recovery_block): Use it.
502 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
505 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
507 2006-11-15 Paul Brook <paul@codesourcery.com>
509 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
510 _Unwind_GetTextRelBase): Move from here ...
511 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
512 _Unwind_GetTextRelBase): ... To here.
514 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
516 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
517 addresses we generate for testing are aligned.
519 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
522 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
523 to what is the const decl is a place holder for.
525 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
527 * config/i386/i386.opt: New target option -mx87regparm.
529 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
530 and float_in_x87 variables. mmx_words, sse_words: Remove.
531 (X87_REGPARM_MAX): Define.
533 * config/i386/i386.c (override_options): Error out for
534 -mx87regparm but no 80387 support.
535 (ix86_attribute_table): Add x87regparm.
536 (ix86_handle_cconv_attribute): Update comments for x87regparm.
537 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
538 (ix86_function_x87regparm): New function.
539 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
541 (init_cumulative_args): Initialize x87_nregs and float_in_x87
543 (function_arg_advance): Process x87_nregs and x87_regno when
544 floating point argument is to be passed in 80387 register.
545 (function_arg): Pass XFmode arguments in 80387 registers for local
546 functions. Pass SFmode and DFmode arguments to local functions
547 in 80387 registers when flag_unsafe_math_optimizations is set.
549 * reg-stack.c (convert_regs_entry): Disable NaN load for
550 stack registers that are used for argument passing.
552 * doc/extend.texi: Document x87regparm function attribute.
553 * doc/invoke.texi: Document -mx87regparm.
555 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
557 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
558 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
559 arg MODE; all callers changed. Use it to determine validity per
560 machine mode instead of using Pmode for all memory references.
561 (get_address_cost): Likewise add and use new arg MEM_MODE.
563 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
564 J"orn Rennecke <joern.rennecke@st.com>
566 * combine.c (likely_spilled_retval_1): Fix masking operation.
567 (likely_spilled_retval_p): Use proper pattern for call to
568 likely_spilled_retval_1.
570 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
572 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
574 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
575 that tests for CONSTANT_POOL_ADDRESS_P.
577 2006-11-15 Jakub Jelinek <jakub@redhat.com>
579 PR tree-optimization/29581
580 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
581 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
582 type is different between Y and USE, create a temporary
583 variable, initialize it at the beginning of the body bb
584 and use it as replacement instead of Y.
586 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
589 * gimplify.c (fold_indirect_ref_rhs): Use
590 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
592 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
594 * expmed.c (emit_store_flag_1): New function.
595 (emit_store_flag): Call it. If we can't find a suitable scc insn,
597 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
598 Use do_compare_rtx_and_jump.
599 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
600 * arm.md (cstoresi4): New define_expand.
601 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
602 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
603 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
605 2006-11-14 Caroline Tice <ctice@apple.com>
607 * dwarf2out.c (debug_pubtypes_section): New static global variable.
608 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
610 (pubname_table): Redefine as a vector.
611 (pubtype_table): New static global variable, defined as a vector.
612 (pubname_table_allocated): Remove static global variable.
613 (pubname_table_in_use): Remove static global variable.
614 (PUBNAME_TABLE_INCREMENT): Remove constant.
615 (size_of_pubnames): Add parameter to deal with either pubnames or
616 pubtypes, and change code to deal with table being a vector.
617 (add_pubname): Change to deal with table being a vector.
618 (add_pubtype): New function.
619 (output_pubnames): Add parameter to deal with either pubnames or
620 pubtypes, and change code to deal with table being a vector.
621 (gen_array_type_die): Add call to add_pubtype.
622 (gen_enumeration_type_die): Add call to add_pubtype.
623 (gen_struct_or_union_type_die): Add call to add_pubtype.
624 (gen_subroutine_type_die): Add call to add_pubtype.
625 (gen_typedef_die): Add call to add_pubtype.
626 (dwarf2out_init): Add code to initialize pubname_table and
627 pubtype_table vectors; also initialize debug_pubtypes_section.
628 (prune_unused_types): Change to deal with pubnames being a vector.
629 (dwarf2out_finish): Change to deal with pubnames being a vector; add
630 pubnames table to call to output_pubnames; Add code to output pubtypes
631 table if DEBUG_PUBTYPES_SECTION is defined.
632 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
634 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
636 2006-11-14 Joseph Myers <joseph@codesourcery.com>
638 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
639 iwmmxt_nregs if TARGET_IWMMXT_ABI.
640 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
641 movv2si_internal): Support moves between core registers.
643 2006-11-14 Eric Christopher <echristo@apple.com>
645 * configure: Regenerate with autoconf 2.59.
647 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
649 Fix PR tree-optimization/27755
651 * tree-ssa-pre.c: Update comments.
652 (bb_bitmap_sets): Add pa_in and deferred member.
653 (BB_DEFERRED): New macro.
654 (maximal_set): New variable.
655 (pre_stats): Add pa_insert member.
656 (bitmap_set_and): Short circuit orig == dest.
657 (bitmap_set_subtract_values): New function.
658 (bitmap_set_contains_expr): Ditto.
659 (translate_vuses_through_block): Add phiblock argument.
660 (dependent_clean): New function.
661 (compute_antic_aux): Update for maximal_set changes.
662 (compute_partial_antic_aux): New function.
663 (compute_antic): Handle partial anticipation.
664 (do_partial_partial_insertion): New function.
665 (insert_aux): Handle partial anticipation.
666 (add_to_sets): Add to maximal set.
667 (compute_avail): Ditto.
668 (init_pre): Initialize maximal_set.
669 (execute_pre): Do partial anticipation if -O3+.
671 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
673 PR rtl-optimization/29798
675 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
676 TARGET_INSN before any other check.
677 (fwprop_init): Always calculate dominators.
678 (fwprop_done): Always free them.
680 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
682 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
685 2006-11-13 DJ Delorie <dj@redhat.com>
687 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
688 temporary for intermediates.
690 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
692 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
693 (sh_optimize_target_register_callee_saved): #if 0 the code
694 using NOTE_INSN_LOOP_{BEG,END}.
696 2006-11-13 Roger Sayle <roger@eyesopen.com>
698 * fold-const.c (optimize_bit_field_compare): Recursively call
699 fold when simplifying non-constant comparisons between bit-fields.
701 2006-11-13 Jakub Jelinek <jakub@redhat.com>
703 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
705 * configure: Rebuilt.
707 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
709 * config/rs6000/cell.md: New file.
710 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
712 (ppccell_cost): New cost matrix.
713 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
714 (rs6000_override_options): Set rs6000_always_hint to false
715 for cell. Also align functions/lables/loops to 8byte
716 for the Cell. Use PROCESSOR_CELL.
717 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
719 (rs6000_variable_issue): If the insn is a nonpipelined instruction
720 on the Cell, return 0.
721 (rs6000_adjust_cost): Add Cell cost adjustments.
722 (is_microcoded_insn): Return true for Cell microcoded
724 (is_nonpipeline_insn): New function.
725 (rs6000_issue_rate): Add PROCESSOR_CELL.
726 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
728 (rs6000_use_sched_lookahead_guard): New function.
729 (rs6000_sched_reorder): Reorder the ready list, if the second
730 to last ready insn is a nonepipeline insn on the Cell.
731 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
732 (ASM_CPU_SPEC): Add Cell.
733 * config/rs6000/rs6000.md (cpu): Add Cell.
734 (cell_micro): New Attr.
737 2006-11-13 Jakub Jelinek <jakub@redhat.com>
739 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
741 * configure: Rebuilt.
743 2006-11-13 Richard Guenther <rguenther@suse.de>
745 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
747 (ix86_expand_lfloorceil): Likewise.
748 (ix86_expand_rint): Likewise.
749 (ix86_expand_floorceildf_32): Likewise.
750 (ix86_expand_floorceil): Likewise.
751 (ix86_expand_rounddf_32): Likewise.
752 (ix86_expand_truncdf_32): Likewise.
753 (ix86_expand_round): Likewise.
755 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
756 Mark Mitchell <mark@codesourcery.com>
758 * gcc.c: Organize search path variables into $prefix relative,
759 and well-known native. Add comments.
760 (add_sysrooted_prefix): Add comment.
761 (process_command): If !gcc_exec_prefix add $prefix based paths.
762 If *cross_compile == '0', add native well-known paths.
763 Assert tooldir_base_prefix is always relative.
764 (main): If print_search_dirs, and if gcc_exec_prefix is set,
765 use this value for 'install:' path.
766 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
768 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
770 * config/i386/i386.c: Fix a typo in comment.
772 2006-11-13 Michael Matz <matz@suse.de>
774 * genemit.c (gen_expand): Allocate enough memory.
776 2006-11-13 Joseph Myers <joseph@codesourcery.com>
778 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
779 __GXX_TYPEINFO_EQUALITY_INLINE but not
780 __GXX_MERGED_TYPEINFO_NAMES.
781 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
782 __GXX_MERGED_TYPEINFO_NAMES.
783 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
784 __GXX_TYPEINFO_EQUALITY_INLINE.
786 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
787 Zdenek Dvorak <dvorakz@suse.cz>
789 PR tree-optimization/29680
790 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
793 2006-11-12 Jason Merrill <jason@redhat.com>
794 Andrew Pinski <pinskia@physics.uc.edu>
797 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
799 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
801 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
802 * tree.c (build_vector): Handle non-_CST elements.
804 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
806 * genemit.c (gen_insn): Call gen_exp with a non-null used
807 when handling multiple insns.
808 (gen_expand): Likewise.
809 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
810 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
811 (movsi_const_16bit+1): Copy operands[1].
812 (call_pcrel): Copy the call_site pattern.
813 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
815 2006-11-12 Roger Sayle <roger@eyesopen.com>
817 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
818 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
819 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
820 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
822 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
824 Fix PR tree-optimization/29587
825 * tree-ssa-structalias.c (process_constraint): Don't
826 mark address taken due only to escaped vars constraint.
828 2006-11-12 Michael Matz <matz@suse.de>
829 Roger Sayle <roger@eyesopen.com>
831 PR rtl-optimization/29797
832 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
833 BITS_BIG_ENDIAN targets.
835 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
837 * builtins.c (fold_builtin_cosh): New.
838 (fold_builtin_1): Use it.
839 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
840 trunc to the list of "odd" functions. Also add llrint, lrint,
841 rint and nearbyint when flag_rounding_math is false.
843 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
845 * tree-flow.h (name_mappings_registered_p): Declare.
846 * tree-into-ssa.c (name_mappings_registered_p): New function.
847 * tree-cfg.c (tree_can_merge_blocks_p): Check
848 name_mappings_registered_p instead of need_ssa_update_p.
850 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
852 * tree-ssa-loop.c (tree_vectorize): Return the result of
854 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
856 * tree-vectorizer.h (vectorize_loops): Declaration removed.
857 * tree-flow.h (vectorize_loops): Declaration changed.
859 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
861 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
863 (issue_prefetch_ref): Move assignment to write_p out of loop.
864 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
865 SIMULTANEOUS_PREFETCHES into account.
866 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
867 * lambda-code.c (lcm): Renamed to ...
868 (least_common_multiple): ... and exported.
869 * tree-flow.h (least_common_multiple): Declare.
871 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
873 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
874 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
875 ud-chains. Handle AND_EXPR.
876 (record_estimate): Record whether the estimate is realistic
877 and whether it is derived from a loop exit.
878 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
879 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
881 (compute_estimated_nb_iterations): Take only realistic bounds into
882 account. Set estimate_state. Use double_ints.
883 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
884 and infer_loop_bounds_from_signedness. Do not consider basic blocks
885 that do not have to be always executed.
886 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
887 to determine whether to call infer_loop_bounds_from_undefined
888 and compute_estimated_nb_iterations.
889 (n_of_executions_at_most): Use double_ints.
890 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
891 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
892 * double-int.c (double_int_to_tree): Improve comment.
893 (double_int_fits_to_tree_p): New function.
894 * double-int.h (double_int_fits_to_tree_p): Declare.
895 * tree-data-ref.c: Include langhooks.h.
896 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
897 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
898 (analyze_array): Do not pass estimate_only argument to
899 analyze_array_indexes.
900 (get_number_of_iters_for_loop): Build tree from the stored double_int
902 (get_references_in_stmt, find_data_references_in_stmt): New functions.
903 (find_data_references_in_loop): Use find_data_references_in_stmt.
904 * tree-data-ref.h (struct data_ref_loc_d): New.
905 (get_references_in_stmt): Declare.
906 (estimate_iters_using_array): Declaration removed.
907 * cfgloop.h (struct nb_iter_bound): Change type of bound to
908 double_int. Improve comments. Add is_exit and realistic
910 (struct loop): Changed type of estimated_nb_iterations to double_int.
911 Added estimate_state field.
912 (record_estimate): Declaration removed.
914 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
916 * params.c (set_param_value): Initialize the "set" field.
917 * params.h (struct param_info): Add "set" field.
918 (PARAM_SET_P): New macro.
919 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
920 L1_CACHE_LINE_SIZE): New macros.
921 * toplev.c (DEFPARAM): Initialize the "set" field.
922 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
923 SIMULTANEOUS_PREFETCHES): Removed.
924 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
925 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
926 * config/sparc/sparc.c: Include params.h.
927 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
928 L1_CACHE_LINE_SIZE parameters.
929 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
931 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
933 * config/i386/i386.c: Include params.h.
934 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
935 (override_options): Set SIMULTANEOUS_PREFETCHES and
936 L1_CACHE_LINE_SIZE parameters.
937 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
938 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
939 L1_CACHE_LINE_SIZE parameters.
940 * config/ia64/ia64.c (ia64_optimization_options): Set
941 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
942 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
944 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
945 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
946 * doc/invoke.texi: Document new params.
948 2006-11-12 Roger Sayle <roger@eyesopen.com>
950 PR tree-optimization/13827
951 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
954 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
956 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
957 update_single_exit_for_duplicated_loops): New functions.
958 (duplicate_loop_to_header_edge): Use
959 update_single_exit_for_duplicated_loops.
960 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
961 functions only with ENABLE_CHECKING.
963 2006-11-12 Andreas Schwab <schwab@suse.de>
965 * except.c (sjlj_emit_function_enter): Remove unused variable.
967 2006-11-11 Roger Sayle <roger@eyesopen.com>
969 * fold-const.c (int_binop_types_match_p): New function.
970 (size_binop): Relax constraint that both arguments must both have
971 exactly the same sizetype type. Instead use int_binop_types_match_p.
972 (size_diffop): Likewise.
974 (make_range): Use build_int_cst instead of fold_convert.
975 (fold_cond_expr_with_comparison): Use build_int_cst to construct
976 integer constants of the correct type.
977 (fold_div_compare): Likewise.
978 (fold_single_bit_test): Likewise.
979 (fold_binary): Likewise.
980 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
981 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
983 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
986 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
987 non null value if the struct memory access is in the 0th
990 2006-11-12 Jie Zhang <jie.zhang@analog.com>
993 2006-11-11 Jie Zhang <jie.zhang@analog.com>
994 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
997 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
998 instead of builtin_define for bfin and BFIN.
1000 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1002 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1005 2006-11-11 Jan Hubicka <jh@suse.cz>
1007 * extended.texi (__builtin_expect): We no longer require second argument
1009 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1010 * builtins.c (expand_builtin_expect): Simplify.
1011 (expand_builtin_expect_jump): Kill.
1012 * final.c (final_scan_insn): Do not skip the removed notes.
1013 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1014 EXPECTED_VALUE): Remove.
1015 * dojump.c (do_jump): Do not care about __builtin_expect.
1016 * predict.c (expected_value_to_br_prob): Kill.
1017 * function.c (expand_function_end): Do not expand
1018 NOTE_INSN_REPEATED_LINE_NUMBER.
1019 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1020 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1021 * cfgexpand.c (add_reg_br_prob_note): Export.
1022 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1023 expected_value_to_br_prob.
1024 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1025 * rtl.h (add_reg_br_prob_note): Declare.
1027 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1029 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1031 2006-11-11 Jan Hubicka <jh@suse.cz>
1033 * predict.c (predict_loops): Kill RTL variant.
1035 2006-11-11 Jan Hubicka <jh@suse.cz>
1037 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1038 * modulo-sched.c (find_line_note): Remove.
1039 (loop_canon_p): Do not worry about line number notes.
1040 (sms_schedule): Likewise.
1041 * cse.c (cse_main): Likewise.
1042 * regmove.c (fixup_match_1): Likewise
1043 * function.c (emit_return_info_block): Likewise.
1044 (expand_function_end): Likewise.
1045 (thread_prologue_an_epilogue_insns): Likewise.
1046 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1048 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1049 emit_note_copy_after): Kill.
1050 (emit_note_copy): Do not worry about line numbers.
1051 * jump.c (purge_line_number_notes): Kill.
1052 (pass_purge_lineno_notes): Kill.
1053 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1055 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1056 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1057 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1058 * tree-pass.h (pass_purge_lineno_notes): Kill.
1059 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1060 rm_redundant_line_notes.
1061 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1062 rm_redundant_line_notes.
1063 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1064 * haifa-sched.c: Update comment about handling notes.
1065 (unlink_line_notes): Kill.
1066 (rm_line_notes): Kill.
1067 (save_line_notes): Simplify.
1068 (rm_redundant_line_notes): Kill.
1070 2006-11-11 Richard Guenther <rguenther@suse.de>
1072 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1073 Remove unused tree codes.
1074 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1075 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1076 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1077 * tree.c (stabilize_reference): Likewise.
1078 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1079 fold_unary): Likewise.
1080 * tree-gimple.c (is_gimple_cast): Likewise.
1081 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1082 * expr.c (expand_expr_real_1): Likewise.
1083 * tree-eh.c (tree_could_trap_p): Likewise.
1084 * gimplify.c (gimplify_expr): Likewise.
1085 * tree-inline.c (estimate_num_insns_1): Likewise.
1086 * tree-cfg.c (verify_expr): Likewise.
1088 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1090 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1091 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1092 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1094 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1097 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1098 constraints accept neither registers or memories.
1100 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1102 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1103 (NO_PROFILE_COUNTERS): Define as 1.
1105 2006-11-10 Roger Sayle <roger@eyesopen.com>
1107 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1108 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1110 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1112 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1114 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1116 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1117 (fold_builtin_hypot): Likewise.
1118 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1120 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1122 2006-11-10 Roger Sayle <roger@eyesopen.com>
1124 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1125 when attempting to build INTEGER_CSTs of non-integral types.
1126 * expmed.c (make_tree): Use the correct type, i.e. the inner
1127 type, when constructing the individual elements of a CONST_VECTOR.
1129 2006-11-10 Jan Hubicka <jh@suse.cz>
1131 * cse.c (cse_process_notes): Copy the propagated value.
1132 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1134 * gcse.c (try_replace_reg): Copy the replacement.
1135 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1136 (assign_386_stack_local): Always return copied memory expression
1137 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1140 2006-11-10 Jan Hubicka <jh@suse.cz>
1142 * final.c (final): Walk from first instruction.
1143 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1145 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1148 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1150 (umulv8hi3_highpart): Ditto.
1151 (vec_widen_smult_hi_v8hi): New expander.
1152 (vec_widen_smult_lo_v8hi): Ditto.
1154 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1157 * builtins.c (do_mpfr_arg3): New.
1158 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1160 2006-11-09 Eric Christopher <echristo@apple.com>
1165 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1166 * config.gcc (powerpc64-*-darwin*): New target.
1167 * config.host: Ditto.
1168 * config/rs6000/darwin64.h: New file.
1169 * config/rs6000/x-darwin64: Ditto.
1170 * config/rs6000/host-ppc64-darwin.c: Ditto.
1172 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1174 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1175 routines for integer division.
1177 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1179 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1181 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1184 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1186 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1188 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1189 simplify_subreg with BLKmode outer mode.
1191 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1193 * doc/invoke.texi: Minor formatting fixes in option lists.
1195 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1197 PR tree-optimization/29738
1198 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1199 (ccp_lattice_t): Remove UNKNOWN_VAL.
1200 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1201 Do not handle UNKNOWN_VAL.
1202 (get_default_value): Set initial value of virtual operands to
1204 (get_value): Always use get_default_value on uninitialized
1206 (set_value_varying, surely_varying_stmt_p): New functions.
1207 (set_lattice_value): Do not pass argument to get_value.
1208 Do not handle UNKNOWN_VAL.
1209 (likely_value): Follow the semantics described in the comment.
1210 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1211 phi nodes DONT_SIMULATE_AGAIN.
1212 (ccp_fold): Do not pass argument to get_value.
1213 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1216 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1218 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1219 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1221 2006-11-08 Roger Sayle <roger@eyesopen.com>
1223 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1224 test for inclusion rather than as a test for exclusion.
1225 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1226 the condition after calling fold_binary.
1227 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1228 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1229 * builtins.c (fold_builtin_isascii): Likewise.
1230 (fold_builtin_isdigit): Likewise.
1232 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1234 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1235 * configure: Regenerate.
1237 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1239 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1240 enum argument instead of bool.
1241 (vect_analyze_operations): Call vectorizable_type_promotion.
1242 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1243 stmt_vec_info_type value.
1244 (supportable_widening_operation, vectorizable_type_promotion): New
1245 function declarations.
1246 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1247 (vectorizable_type_promotion): New function.
1248 (vect_transform_stmt): Call vectorizable_type_promotion.
1249 * tree-vect-analyze.c (supportable_widening_operation): New function.
1250 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1252 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1255 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1256 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1257 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1259 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1260 * expr.c (expand_expr_real_1): Likewise.
1261 * optabs.c (optab_for_tree_code): Likewise.
1262 (init_optabs): Initialize new optabs.
1263 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1264 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1265 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1266 vec_unpacku_lo_optab): Initialize new optabs.
1267 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1268 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1269 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1271 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1272 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1273 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1274 (vec_unpacku_lo_optab): New optabs.
1275 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1276 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1277 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1278 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1279 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1280 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1282 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1283 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1284 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1285 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1286 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1287 implement the unsigned unpacking patterns.
1288 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1289 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1290 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1291 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1292 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1293 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1294 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1295 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1296 multiplication patterns.
1298 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1299 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1300 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1301 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1302 (rs6000_builtin_mul_widen_odd): New.
1303 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1304 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1305 * tree-vectorizer.h (enum vect_relevant): New enum type.
1306 (_stmt_vec_info): Field relevant chaned from bool to enum
1308 (STMT_VINFO_RELEVANT_P): Updated.
1309 (STMT_VINFO_RELEVANT): New.
1310 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1311 instead of STMT_VINFO_RELEVANT_P.
1312 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1313 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1314 and boolean variable with enum vect_relevant.
1315 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1316 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1317 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1319 2006-11-08 Richard Henderson <rth@redhat.com>
1321 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1322 vec_widen_umult_lo_v8hi): New.
1323 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1324 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1326 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1327 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1328 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1329 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1330 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1331 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1332 vec_unpacks_lo_v4si): New.
1334 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1336 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1337 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1338 (vect_analyze_operations): Call vectorizable_type_demotion.
1339 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1340 stmt_vec_info_type value.
1341 (vectorizable_type_demotion): New function declaration.
1342 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1345 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1346 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1348 * tree-iniline.c (estimate_num_insns_1): Likewise.
1349 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1350 * optabs.c (optab_for_tree_code): Likewise.
1352 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1353 compared against the predicate of the result is not 'mode' (the input
1354 to the function) but a mode with half the size of 'mode'.
1355 (init_optab): Initialize new optabs.
1356 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1358 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1360 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1361 (vec_pack_usat_optab): Initialize new optabs.
1362 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1363 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1365 2006-11-08 Richard Henderson <rth@redehat.com>
1367 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1368 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1369 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1370 (vec_interleave_highv4si, vec_interleave_lowv4si):
1371 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1373 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1375 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1377 (vect_transform_stmt): Removed redundant code.
1379 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1381 * tree-vect-transform.c (vectorizable_operation): Support multiple
1384 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1386 * tree-vect-transform.c (vect_align_data_ref): Removed.
1387 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1388 Updated function documentation. Return the increment stmt in ptr_incr.
1389 (bump_vector_ptr): New function.
1390 (vect_get_vec_def_for_stmt_copy): New function.
1391 (vect_finish_stmt_generation): Create a stmt_info to newly created
1393 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1395 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1396 VF is greater than the number of elements that can fit in one vector
1398 (vectorizable_operation, vectorizable_condition): Likewise.
1399 (vectorizable_store, vectorizable_load): Support the case that the VF
1400 is greater than the number of elements that can fit in one vector word.
1401 (vect_transform_loop): Don't fail in case of multiple data-types.
1402 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1403 in case of multiple data-types; the smallest type determines the VF.
1404 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1405 if they are of different sizes.
1406 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1407 number of elements rather than number of bytes.
1408 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1409 (vect_can_advance_ivs_p): Fix a dump printout
1411 2006-11-07 Eric Christopher <echristo@apple.com>
1413 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1414 (__bswapsi2): Ditto.
1415 * libgcc2.h: Remove transformation of bswap routines.
1416 * config/i386/i386.md (bswapsi2): New.
1419 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1421 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1422 (handle_gnu_inline_attribute): New function.
1423 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1424 (merge_decls, start_decl, start_function): Likewise.
1425 * doc/extend.texi: Document gnu_inline attribute.
1427 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1430 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1431 _fixunstfdi, and _floatditf
1433 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1435 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1437 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1438 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1439 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1440 which start in an odd register.
1442 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1444 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1446 2006-11-07 Josh Conner <jconner@apple.com>
1448 * doc/invoke.texi (fstrict-aliasing): Move implementation
1450 * doc/tree-ssa.texi (Alias analysis): ...here.
1452 2006-11-07 Richard Guenther <rguenther@suse.de>
1454 PR tree-optimization/29610
1455 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1456 of tree_purge_dead_eh_edges as it may free dominators.
1458 * g++.dg/other/pr29610.C: New testcase.
1460 2006-11-07 David Ung <davidu@mips.com>
1462 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1463 costs when optimizing for size.
1464 (override_options): Use mips_rtx_cost_optimize_size table for cost
1467 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1469 * gcc.c (process_command): Treat -b as normal switch if its argument
1472 2006-11-07 David Ung <davidu@mips.com>
1474 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1477 2006-11-06 Eric Christopher <echristo@apple.com>
1479 * config.gcc: Add x86_64-darwin host support.
1480 * config.host: Ditto.
1481 * config/i386/darwin64.h: New file.
1482 * config/i386/t-darwin64: Ditto.
1484 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1486 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1487 and output-exists-not.
1489 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1492 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1493 checking for overflow.
1495 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1497 * configure.ac: Fixed typo in case statement: :: changed to ;;
1499 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1501 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1502 count_leading_zeros, and count_trailing_zeros.
1503 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1504 (TARGET_FOLD_BUILTIN): Define.
1505 (TARGET_EXPAND_BUILTIN): Define.
1506 (xtensa_init_builtins): New.
1507 (xtensa_fold_builtin): New.
1508 (xtensa_expand_builtin): New.
1509 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1510 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1511 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1512 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1513 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1514 (any_extend): New code macro.
1515 (u, su): New code attributes.
1516 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1517 (nsau): Remove; replaced by clzsi2.
1518 (ffssi2): Use clzsi2.
1519 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1520 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1521 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1522 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1523 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1525 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1527 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1529 * config/arm/t-strongarm-elf: Likewise.
1530 * config/arm/t-pe: Likewise.
1531 * config/arm/t-arm-elf: Likewise.
1532 * config/arm/t-xscale-elf: Likewise.
1533 * config/arm/t-arm-coff: Likewise.
1534 * config/arm/t-xscale-coff: Likewise.
1535 * config/arm/t-wince-pe: Likewise.
1537 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1539 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1542 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1545 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1548 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1551 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1552 as a valid 80387 constant.
1553 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1554 * config/i386/i386.md (unnamed splitter): Split the load of
1555 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1558 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1560 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1561 from the soft-frame, argument and virtual registers.
1563 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1565 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1566 patterns for standard 80387 constants.
1568 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1569 Steven Bosscher <steven@gcc.gnu.org>
1571 * fwprop.c: New file.
1572 * Makefile.in: Add fwprop.o.
1573 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1574 * passes.c (init_optimization_passes): Schedule forward propagation.
1575 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1577 * timevar.def (TV_FWPROP): New.
1578 * common.opt (-fforward-propagate): New.
1579 * opts.c (decode_options): Enable forward propagation at -O2.
1580 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1581 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1582 canon_for_address, table_size): Remove.
1583 (new_basic_block, insert, remove_from_table): Remove references to
1585 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1586 simplification loop more straightforward by not calling fold_rtx
1588 (equiv_constant): Move here a small part of fold_rtx_subreg,
1589 do not call fold_rtx. Call avoid_constant_pool_reference
1591 * recog.h (canonicalize_change_group): New.
1593 * doc/invoke.texi (Optimization Options): Document fwprop.
1594 * doc/passes.texi (RTL passes): Document fwprop.
1596 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1598 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1599 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1600 (grokdeclarator): Likewise.
1602 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1604 * tree-dump.c (dump_enable_all): Rename local variable
1605 ir_type to avoid name conflicts.
1606 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1607 instead of using ir_type().
1608 * profile.c (tree_register_profile_hooks): Likewise.
1609 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1610 * basic-block.h (struct edge_def): Likewise.
1611 * config/arm/arm.c (legitimize_pic_address): Likewise.
1612 * coretypes.h (ir_type): New enum of all intermediate languages
1614 * cfghooks.c (ir_type): Rename to...
1615 (current_ir_type): ...this. Distinguish between cfgrtl and
1616 cfglayout mode when the current IR is RTL. Return enum ir_type.
1617 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1619 2006-11-03 Paul Brook <paul@codesourcery.com>
1621 * config/arm/arm.c (arm_file_start): New function.
1622 (TARGET_ASM_FILE_START): Define.
1623 (arm_default_cpu): New variable.
1624 (arm_override_options): Set arm_default_cpu.
1626 2006-11-03 David Ung <davidu@mips.com>
1628 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1629 PROCESSOR_24KC and PROCESSOR_24KF.
1630 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1631 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1632 (mips_rtx_cost_data): Add costs for the 24kc.
1633 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1634 * config/mips/24k.md: Remove references to 24k and replace with
1635 uses of 24kc/24kf in the appropriate reservations.
1636 * doc/invoke.texi (MIPS Options): Updated.
1638 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1640 * config/sh/crt1.asm: Fix #ifdef indent.
1642 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1643 Merged from STMicroelectronics sources:
1644 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1645 * config/sh/crt1.asm (vbr_600): Add missing #if.
1646 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1647 * sh.opt (mfused-madd): New option.
1648 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1649 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1650 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1651 Remove pointless handler at VBR+0.
1652 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1653 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1654 fr7. Make sure the timer handler is called with the correct FPU
1655 precision setting, according to the ABI.
1656 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1657 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1658 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1659 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1660 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1661 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1662 zero as second operand.
1663 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1664 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1665 Fixed some bugs related to negative values, in particular -0
1666 and overflow at -0x80000000.
1667 * config/sh/divcost-analysis: Added sh4-300 figures.
1668 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1669 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1670 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1671 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1672 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1673 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1675 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1677 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1678 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1679 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1680 mac_mem, mem_mac, dfp_mul, fp_cmp.
1681 (insn_class, dfp_comp, any_fp_comp): Update.
1682 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1683 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1684 (muldf3_i): Likewise.
1685 (movsi_i): Split rI08 alternative into two separate alternatives.
1687 (movsi_ie, movsi_i_lowpart): Likewise.
1688 (movqi_i): Split ri alternative into two separate alternatives.
1690 * sh1.md (sh1_load_store, sh1_fp): Update.
1691 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1692 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1693 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1694 (sh4a_fp_double_arith): Likewise.
1695 * sh4-300.md: New file.
1696 * sh.c (sh_handle_option): Handle m4-300* options.
1697 (sh_adjust_cost): Fix latency of auto-increments.
1698 Handle SH4-300 differently than other SH4s. Check for new insn types.
1699 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1700 been set by an option.
1701 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1702 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1703 (mbranch-cost=): Likewise.
1704 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1706 * sh.md (mulsf3): Remove special expansion code.
1707 (mulsf3_ie): Now a define_insn_and_split.
1708 (macsf3): Allow for TARGET_SH4.
1710 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1711 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1712 (expand_cbranchdi4): Likewise.
1713 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1714 CONST_DOUBLE if the outer code is COMPARE.
1715 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1716 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1717 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1718 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1719 Remove redundant fp_{zero,one}_operand checks.
1720 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1721 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1722 (expand_cbranchdi4): Likewise.
1723 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1724 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1726 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1728 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1731 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1733 * doc/invoke.texi: Fix mfp-trap-mode typo.
1735 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1737 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1738 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1739 file_end_indicate_exec_stack.
1740 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1742 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1743 for a non-executable stack.
1744 * crti.asm: Likewise.
1745 * crtn.asm: Likewise.
1746 * libunwind.S: Likewise.
1748 2006-11-02 Ben Elliston <bje@au.ibm.com>
1750 * tree-ssa.c (warn_uninit): Use expand_location variables for
1751 locus and declaration locus.
1753 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1756 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1757 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1758 cmp{eq,gt,gtu}{si,di}_media.
1759 (*cmpne0si_media): Remove.
1760 (*movsicc_umin): Adjust gen_cmp*_media call.
1761 (unordered): Change the mode of unordered and operands[1] to
1763 (seq): Adjust gen_cmp*_media calls. Make the mode of
1764 a temporary result of compare SImode if needed. If the mode
1765 of operands[0] is DImode, extend the temporary result to DImode.
1766 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1767 (sunorderd): Change the mode of match_operand and unorderd to
1769 (cmpeq{sf,df}_media): Remove.
1770 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1771 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1772 and compare operation to SImode.
1774 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1776 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1778 (sparc64-sun-solaris2*): Likewise.
1780 2006-11-02 Paul Brook <paul@codesourcery.com>
1782 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1783 from priority argument. Use different section for non-default
1785 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1787 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1790 * except.c (switch_to_exception_section): Do not cache the section
1791 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1792 and flag_function_sections is set.
1794 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1797 * builtins.c (do_mpfr_sincos): New.
1798 (fold_builtin_1): Use it to fold builtin sincos.
1800 2006-11-01 Roger Sayle <roger@eyesopen.com>
1802 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1803 it into -D_REENTRANT.
1805 2006-11-01 Roger Sayle <roger@eyesopen.com>
1807 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1808 whether the assembler supports taking the difference of symbols in
1809 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1810 * configure: Regenerate.
1811 * config.in: Regenerate.
1812 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1813 the assembler doesn't support taking the difference of symbols in
1814 different sections, i.e. we're using the native solaris assembler.
1816 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1817 Peter Bergner <bergner@vnet.ibm.com>
1819 * doc/invoke.texi: Add cpu_type power6x
1820 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1821 * config.gcc: Add cpu_type power6x.
1822 * configure.ac: Add test for mf{t,f}gpr instructions.
1823 (HAVE_AS_MFPGPR): New.
1824 * config.in: Regenerate.
1825 * configure: Regenerate.
1826 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1827 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1828 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1829 and mftgpr attributes.
1830 (define_attr "cpu"): Add power6.
1831 Change instruction sequences to use new attributes.
1832 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1833 (fix_truncdfsi2_mfpgpr): New.
1834 (floatsidf_ppc64_mfpgpr): New.
1835 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1836 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1837 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1838 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1839 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1840 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1841 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1842 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1843 cntlz,exts and var_delayed_compare.
1844 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1845 _ARCH_PWR6X, if features enabled.
1846 * config/rs6000/rs6000.opt (mmfpgpr): New.
1847 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1848 (cached_can_issue_more): New variable.
1849 (processor_costs): Add power6_cost.
1850 (rs6000_sched_init): New function.
1851 (is_dispatch_slot_restricted): Deleted.
1852 (set_to_load_agen): New function.
1853 (is_load_insn,is_store_insn): New functions.
1854 (adjacent_mem_locations): New function.
1855 (insn_must_be_first_in_group): New function.
1856 (insn_must_be_last_in_group): New function.
1857 (rs6000_sched_reorder): New function.
1858 (rs6000_sched_reorder2): New function.
1859 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1860 TARGET_SCHED_REORDER2): Define.
1861 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1862 Add power6x. Add MASK_MFPGPR for power6x.
1863 (POWERPC_MASKS): Add MASK_MFPGPR.
1864 (rs6000_override_options): Set rs6000_always_hint to false
1865 for power6. Set rs6000_align_branch_targets. Replace
1866 rs6000_sched_groups check with rs6000_align_branch_targets.
1867 Use PROCESSOR_POWER6.
1868 (last_scheduled_insn): New variable.
1869 (load_store_pendulum): New variable.
1870 (rs6000_variable_issue): Set last_scheduled_insn and
1871 cached_can_issue_more.
1872 (rs6000_adjust_cost): Add power6 cost adjustments.
1873 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1874 with insn_must_be_first_in_group. Add power6 priority adjustments.
1875 (rs6000_issue_rate): Add CPU_POWER6.
1876 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1877 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1878 (TARGET_MFPGPR): New.
1879 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1880 (ASM_CPU_SPEC): Add power6x.
1881 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1883 * config/rs6000/power6.md: New file.
1885 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1887 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1888 HOST_WIDE_INT_PRINT to print high and low parts. Use
1889 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1890 printing a hexadecimal number prefix it with 0x.
1892 2006-11-01 Chris Johns <chris@contemporary.net.au>
1895 * Makefile.in (install-driver): Use exeext when installing
1896 $target-gcc-$version.
1898 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1900 * c-common.c (flag_cpp0x): New.
1901 * c-common.h (flag_cpp0x): New.
1902 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1903 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1904 * c-opts.c (set_std_cxx0x): New.
1905 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1906 * c.opt (std=c++0x): Document.
1907 (std=gnu++0x): Ditto.
1908 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1909 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1911 2006-11-01 Richard Guenther <rguenther@suse.de>
1913 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1915 (ix86_expand_floorceildf_32): Likewise.
1916 (ix86_expand_floorceil): Likewise.
1917 (ix86_expand_trunc): Likewise.
1919 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1921 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1924 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1926 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1928 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1930 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1932 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1933 * configure.ac (use_cxa_atexit): As a special case, don't test
1934 for libc definition of __cxa_atexit on mingw32
1935 * configure: Regenerate.
1936 * config.gcc (i[34567]86-pc-mingw32): Default to
1937 enable__cxa_atexit=yes.
1939 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1941 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1943 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1946 * c-decl.c (start_struct): Don't create self-containing
1948 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1950 * config/rs6000/rs6000-protos.h
1951 (darwin_rs6000_special_round_type_align): New.
1952 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1953 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1955 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1957 * toplev.c (compile_file): Call final_write_globals
1958 even if there have been errors.
1960 2006-10-31 Eric Christopher <echristo@apple.com>
1961 Falk Hueffner <falk@debian.org>
1963 * doc/extend.texi (__builtin_bswap32): Document.
1964 (__builtin_bswap64): Ditto.
1965 * doc/libgcc.texi (bswapsi2): Document.
1967 * doc/rtl.texi (bswap): Document.
1968 * optabs.c (expand_unop): Don't widen a bswap.
1969 (init_optabs): Init bswap. Set libfuncs explicitly
1970 for bswapsi2 and bswapdi2.
1971 * optabs.h (OTI_bswap): New.
1972 (bswap_optab): Ditto.
1973 * genopinit.c (optabs): Handle bswap_optab.
1974 * tree.h (tree_index): Add TI_UINT32_TYPE and
1976 (uint32_type_node): New.
1977 (uint64_type_node): Ditto.
1978 * tree.c (build_common_tree_nodes_2): Initialize
1979 uint32_type_node and uint64_type_node.
1980 * builtins.c (expand_builtin_bswap): New.
1981 (expand_builtin): Call.
1982 (fold_builtin_bswap): New.
1983 (fold_builtin_1): Call.
1984 * fold-const.c (tree_expr_nonnegative_p): Return true
1986 * builtin-types.def (BT_UINT32): New.
1988 (BT_FN_UINT32_UINT32): Ditto.
1989 (BT_FN_UINT64_UINT64): Ditto.
1990 * builtins.def (BUILT_IN_BSWAP32): New.
1991 (BUILT_IN_BSWAP64): Ditto.
1992 * rtl.def (BSWAP): New.
1993 * genattrtab.c (check_attr_value): New.
1994 * libgcc2.c (__bswapSI2): New.
1995 (__bswapDI2): Ditto.
1996 * libgcc2.h (__bswapSI2): Declare.
1997 (__bswapDI2): Ditto.
1998 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1999 * simplify-rtx.c (simplify_const_unary_operation): Return
2001 * libgcc-std.ver (__bwapsi2): Add.
2002 (__bswapdi2): Ditto.
2003 * reload1.c (eliminate_regs_1): Add bswap.
2004 (elimination_effects): Ditto.
2005 * config/i386/i386.h (x86_bswap): New.
2006 (TARGET_BSWAP): Use.
2007 * config/i386/i386.c (x86_bswap): Set.
2009 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2011 * coverage.c (coverage_checksum_string): Update comment.
2012 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2013 of get_file_function_name.
2014 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2015 of get_file_function_name_long.
2016 * tree.c (get_file_function_name): Rename from
2017 get_file_function_name_long; improve comment; handle 'I' and 'D'
2018 specially when the target has ctor/dtor support; remove special
2020 (get_file_function_name): Remove.
2021 * tree.h (get_file_function_name): Rename from
2022 get_file_function_name_long.
2023 (get_file_function_name): Remove prototype.
2025 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2027 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2028 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2030 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2031 Call dsymutil when compiling and linking one or more source files
2034 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2037 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2039 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2041 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2042 inline static functions in c99 mode.
2045 * doc/extend.texi (Inline): Update.
2046 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2047 * c-decl.c (current_extern_inline): Delete.
2048 (pop_scope): Adjust test for an undefined nested function.
2049 Add warning about undeclared inline function.
2050 (diagnose_mismatched_decls): Update comments. Disallow overriding
2051 of inline functions in a translation unit in C99. Allow inline
2052 declarations in C99 at any time.
2053 (merge_decls): Boolize variables. Handle C99 'extern inline'
2055 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2056 C99 inline semantics.
2057 (start_function): Don't clear current_extern_inline. Don't set
2059 (c_push_function_context): Don't push current_extern_inline.
2060 (c_pop_function_context): Don't restore current_extern_inline.
2063 * c-typeck.c (build_external_ref): Warn about static variables
2064 used in extern inline functions.
2065 * c-decl.c (start_decl): Warn about static variables declared
2066 in extern inline functions.
2068 2006-10-31 Roger Sayle <roger@eyesopen.com>
2071 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2072 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2073 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2074 or y is an even integer.
2076 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2079 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2080 * gthr-posix95.h (__gthread_active_p): Likewise.
2082 2006-10-31 Richard Guenther <rguenther@suse.de>
2084 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2085 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2086 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2087 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2088 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2089 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2090 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2091 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2094 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2096 * opts.c (decode_options): Disable CSE skip blocks.
2098 2006-10-30 Dirk Mueller <dmueller@suse.de>
2100 * c-common.h (strict_aliasing_warning): Fix whitespace.
2101 * c-decl (start_function): Move code for main decl warning ..
2102 * c-common.c (check_main_parameter_types): .. here.
2103 * c-common.h (check_main_parameter_types): Declare.
2105 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2108 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2110 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2112 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2113 be a PARALLEL containing sets. Return false when out_pat is not
2116 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2118 * config/mips/mips.md (mul<mode>3): Split into...
2119 (mulsi3, muldi3): ...these separate patterns.
2121 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2123 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2124 but with each set of options separated by spaces.
2126 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2128 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2129 dwarf_reg_size_table has been initialized.
2131 2006-10-30 Roger Sayle <roger@eyesopen.com>
2133 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2134 * ddg.c (print_ddg_edge): Likewise.
2135 * dwarf2out.c (prune_unused_types_walk): Likewise.
2136 * ifcvt.c (noce_try_cmove_arith): Likewise.
2137 * langhooks.c (add_builtin_function): Likewise.
2138 * reg-stack.c (subst_stack_regs_pat): Likewise.
2139 * tree.c (expanded_location): Likewise.
2140 * tree-dump.c (dequeue_and_dump): Likewise.
2142 2006-10-30 David Daney <ddaney@avtrex.com>
2144 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2146 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2148 PR tree-optimization/29637
2149 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2150 of the innertype is the innertype itself.
2152 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2154 * dwarf2out.c (file_name_acquire): Correct typo.
2156 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2158 * tree.h (tree_value_handle): Remove struct value_set declaration.
2159 Change value_set to bitmap_set.
2160 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2161 * tree-vn.c (get_value_handle): Made inline and moved to
2163 * tree-flow-inline.h: (has_stmt_ann): New function.
2164 * tree-ssa-pre.c (expressions): New variable.
2165 (next_expression_id): Ditto.
2166 (alloc_expression_id): New function.
2167 (struct value_set): Remove.
2168 (get_expression_id): New function.
2169 (get_or_alloc_expression_id): Ditto.
2170 (expression_for_id): Ditto.
2171 (clear_expression_ids): Ditto.
2172 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2173 (bb_value_sets): Renamed to bb_bitmap_sets.
2174 All value sets replaced with bitmap_sets.
2176 (BB_VISITED): New macro.
2177 (postorder): New variable.
2178 (add_to_value): Removed.
2179 (value_exists_in_set_bitmap): Ditto.
2180 (value_insert_into_set_bitmap): Ditto.
2183 (set_remove): Ditto.
2184 (set_contains_value): Ditto.
2185 (insert_into_set): Ditto.
2187 (find_leader): Ditto.
2188 (bitmap_set_subtract_from_value_set): Ditto.
2189 (value_insert_into_set): Ditto.
2190 (print_value_set): Ditto.
2191 (debug_value_set): Ditto.
2192 (constant_expr_p): New function.
2193 (bitmap_remove_from_set): Ditto.
2194 (bitmap_insert_into_set): Ditto.
2195 (bitmap_set_free): Ditto.
2196 (vh_compare): Ditto.
2197 (sorted_array_from_bitmap_set): Ditto.
2198 (bitmap_set_subtract): Ditto.
2199 (bitmap_set_equal): Ditto.
2200 (debug_bitmap_set): Ditto.
2201 (find_leader_in_sets): Ditto.
2202 (bitmap_set_replace_value): Modify for bitmapped sets.
2203 (phi_translate): Ditto.
2204 (phi_translate_set): Ditto.
2205 (bitmap_find_leader): Ditto.
2206 (valid_in_sets): Ditto.
2207 (union_contains_value): Ditto.
2209 (compute_antic_aux): Ditto. Mark changed blocks.
2210 (compute_antic): Ditto. Iterate in postorder and only over
2212 (compute_rvuse_and_antic_safe): Reuse postorder.
2213 (create_component_ref_by_pieces): Modify for bitmapped sets.
2214 (find_or_generate_expression): Ditto.
2215 (create_expression_by_pieces): Ditto.
2216 (insert_into_preds_of_block): Ditto.
2217 (changed_blocks): New variable.
2218 (do_regular_insertion): Broken out from insert_aux.
2219 (insert_aux): Modified for bitmapped sets.
2220 (find_existing_value_expr): New function.
2221 (create_value_expr_from): Use it.
2222 (insert_extra_phis): Removed.
2223 (print_bitmap_set): Renamed from bitmap_print_value_set.
2224 (compute_avail): Handle RETURN_EXPR.
2225 (init_pre): Modify for bitmapped sets.
2226 * tree-flow.h (has_stmt_ann): New function.
2228 2006-10-29 Roger Sayle <roger@eyesopen.com>
2230 * builtins.c (fold_builtin_floor): Check for the availability of
2231 the C99 trunc function before transforming floor into trunc.
2233 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2235 * builtins.c (fold_builtin_hypot): Rearrange recursive
2236 transformation before others, and also do ABS_EXPR. When
2237 necessary, check flag_unsafe_math_optimizations. When necessary,
2240 2006-10-29 Roger Sayle <roger@eyesopen.com>
2242 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2243 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2244 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2245 Fold -X eq/ne -Y as X eq/ne Y.
2247 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2249 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2250 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2251 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2252 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2253 Use an inclusive test for "mult" rather than "mul".
2254 (rotr<mode>3): Depend on ISA_HAS_ROR.
2255 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2257 (GENERATE_MULT3_DI): Delete.
2258 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2259 (ISA_HAS_MUL3): New macro.
2260 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2261 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2262 (ISA_HAS_CLZ_CLO): Likewise.
2263 (ISA_HAS_DCLZ_DCLO): Delete.
2264 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2265 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2266 the VR4120 and VR4130.
2267 (ISA_HAS_MACCHI): Use consistent formatting.
2268 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2269 (ISA_HAS_ROR): ...this new macro.
2270 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2271 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2272 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2274 2006-10-29 Roger Sayle <roger@eyesopen.com>
2276 PR tree-optimization/15458
2277 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2280 2006-10-29 Richard Guenther <rguenther@suse.de>
2282 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2283 (ix86_expand_truncdf_32): Likewise.
2284 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2285 trunc inline for SSE math and -fno-trapping-math and if not
2286 optimizing for size.
2287 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2288 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2289 for expanding btrunc inline for SSE math.
2291 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2293 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2294 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2295 i[34567]86-*-solaris2.1[0-9]*.
2296 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2297 Define conditionally depending on TARGET_64BIT_DEFAULT.
2298 (SPEC_32, SPEC_64): Define.
2299 (LINK_SPEC): Use them.
2300 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2302 2006-10-29 Richard Guenther <rguenther@suse.de>
2304 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2305 (ix86_expand_rounddf_32): Likewise.
2306 * config/i386/i386.c (ix86_expand_round): New function expanding
2307 round inline for SSE math and -fno-trapping-math and if not
2308 optimizing for size.
2309 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2310 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2311 round via ix86_expand_round.
2313 2006-10-29 Richard Guenther <rguenther@suse.de>
2315 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2316 (ix86_expand_floorceildf_32): Likewise.
2317 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2318 static helper function.
2319 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2321 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2322 * config/i386/i386.md (floordf2): Adjust to enable floor
2323 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2324 -fno-trapping-math is enabled and if not optimizing for size.
2325 (floorsf2, ceildf2, ceilsf2): Likewise.
2326 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2327 (sse2_maskcmpdf3): Likewise.
2329 2006-10-29 Richard Guenther <rguenther@suse.de>
2331 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2332 rint in case -fno-trapping-math is enabled.
2333 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2334 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2335 (ix86_expand_sse_fabs): Likewise.
2336 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2337 * config/i386/i386.md (rintdf2): Enable for SSE math if
2338 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2339 (rintsf2): Likewise.
2341 2006-10-29 Richard Guenther <rguenther@suse.de>
2343 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2344 to conversion optabs.
2345 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2346 as conversion optab.
2347 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2348 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2349 (lfloor_optab, lceil_optab): Adjust defines.
2350 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2351 lfloor and lceil optabs now being conversion optabs.
2352 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2353 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2354 New static helper function.
2355 (ix86_expand_lfloorceil): New function to expand lfloor and
2357 * config/i386/i386.md (lfloor<mode>2): Split into ...
2358 (lfloorxf<mode>2): ... x87 variant
2359 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2360 using ix86_expand_lfloorceil.
2361 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2363 * doc/md.texi (lfloorMN, lceilMN): Document.
2365 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2367 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2368 -mno-shared assembler option on mips targets.
2369 * configure, config.in: Regenerate.
2370 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2371 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2372 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2374 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2376 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2377 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2379 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2381 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2382 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2385 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2388 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2389 (fold_builtin_pow): Evaluate constant arguments at compile-time
2391 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2392 (do_mpfr_ckconv): New helper function.
2393 (do_mpfr_arg1): Use do_mpfr_ckconv.
2394 (do_mpfr_arg2): New.
2396 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2399 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2400 (-fdump-rtl-sched): Rename to ..
2401 (-fdump-rtl-sched1): here. Also fix file extension number.
2403 2006-10-28 Richard Guenther <rguenther@suse.de>
2405 * fold-const.c (maybe_canonicalize_comparison): Fix code
2408 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2410 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2411 (NON_QI_REG_P): Use IN_RANGE.
2412 (REX_INT_REGNO_P): Use IN_RANGE.
2413 (FP_REGNO_P): Use IN_RANGE.
2414 (SSE_REGNO_P): Use IN_RANGE.
2415 (REX_SSE_REGNO_P): Use IN_RANGE.
2416 (MMX_REGNO_P): Use IN_RANGE.
2417 (STACK_REGNO_P): New macro.
2418 (STACK_REG_P): Use STACK_REGNO_P.
2419 (NON_STACK_REG_P): Use STACK_REGNO_P.
2420 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2421 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2422 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2423 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2424 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2426 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2428 * except.h (output_function_exception_table): Add 'const char*' param.
2429 * except.c (switch_to_exception_section): Add 'const char*' param.
2430 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2431 and flag_function_sections is set, use a function-specific section.
2432 (output_function_exception_table): Add 'const char*' param.
2433 Adjust call to switch_to_exception_section.
2434 * final.c (rest_of_handle_final): Adjust calls to
2435 output_function_exception_table.
2436 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2437 * config.in: Regenerate.
2438 * configure: Likewise.
2440 2006-10-28 Richard Guenther <rguenther@suse.de>
2443 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2444 for maybe_canonicalize_comparison.
2445 (maybe_canonicalize_comparison): New function for canonicalizing
2447 (fold_comparison): Call it to canonicalize comparisons with
2450 2006-10-28 Richard Guenther <rguenther@suse.de>
2453 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2454 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2455 (expand_builtin): Adjust likewise.
2456 * genopinit.c (optabs[]): Add lround optab.
2457 * optabs.c (init_optabs): Initialize lround_optab.
2458 * optabs.h (enum convert_optab_index): Add COI_lround.
2459 (lround_optab): Define.
2460 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2461 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2463 (ix86_expand_lround): New function.
2464 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2466 * doc/md.texi (lroundMN2): Document.
2468 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2471 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2472 argument to HOST_WIDE_INT. Update function prototype.
2473 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2474 "size" argument to HOST_WIDE_INT. Update function prototype.
2476 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2478 * config/i386/i386.c (output_387_ffreep): Create output from a
2479 template string for !HAVE_AS_IX86_FFREEP.
2481 2006-10-27 Eric Christopher <echristo@apple.com>
2483 * config/darwin.c: Fix formatting and grammar.
2485 2006-10-27 Jan Hubicka <jh@suse.cz>
2487 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2488 to be thrown away soon when IGNORE is set.
2489 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2490 indicating when return value shall not be computed.
2491 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2493 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2495 * config/i386/i386.h (TARGET_GEODE):
2496 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2497 (TARGET_CPU_DEFAULT_geode): New macro.
2498 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2499 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2500 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2501 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2502 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2504 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2505 (processor_type): Add PROCESSOR_GEODE.
2507 * config/i386/i386.md: Include geode.md.
2510 * config/i386/i386.c (geode_cost): New initialized global
2512 (m_GEODE, m_K6_GEODE): New macros.
2513 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2514 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2515 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2516 x86_schedule): Use m_K6_GEODE instead of m_K6.
2517 (x86_movx, x86_cmove): Set up m_GEODE.
2518 (x86_integer_DFmode_moves): Clear m_GEODE.
2519 (processor_target_table): Add entry for geode.
2520 (processor_alias_table): Ditto.
2522 * config/i386/geode.md: New file.
2524 * doc/invoke.texi: Add entry about geode processor.
2526 2006-10-27 Mike Stump <mrs@apple.com>
2528 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2529 __DYNAMIC__ from here back to ...
2530 * config/darwin.h (CPP_SPEC): ... here.
2532 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2533 Nathan Sidwell <nathan@codesourcery.com>
2535 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2536 when choosing the minimum heapsize.
2538 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2540 * gcc/unwind-dw2.h: Move cfa-related variables into
2541 struct frame_state_reg_info to ensure that the CFA is properly
2542 handled when executing DW_CFA_{remember,restore}_state.
2543 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2544 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2545 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2546 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2547 gcc/config/rs6000/linux-unwind.h,
2548 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2549 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2550 Modify to use new cfa_* fields.
2552 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2554 * config/s390/s390.c (s390_init_frame_layout): Check positive
2557 2006-10-26 Ben Elliston <bje@au.ibm.com>
2559 * gimplify.c (get_name): Remove extraneous break.
2560 (gimplify_omp_for): Initialise ret with GS_OK.
2562 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2564 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2565 Add unix98.o to link line.
2567 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2570 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2571 Calculate compile-time constants using MPFR.
2572 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2573 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2575 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2577 * config/xtensa/lib2funcs.S: Use C-style comments.
2579 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2581 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2582 (file_table_relative_p): Likewise.
2583 (dwarf2out_finish): Likewise.
2584 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2586 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2588 * tree-ssa-structalias.c (intra_create_variable_infos):
2589 Don't recreate nonlocal_all if it already exists.
2591 2006-10-25 Richard Guenther <rguenther@suse.de>
2594 * optabs.h (enum optab_index): Remove OTI_lrint.
2595 (enum convert_optab_index): Add COI_lrint.
2596 (lrint_optab): Adjust.
2597 (expand_sfix_optab): Declare.
2598 * optabs.c (expand_sfix_optab): New function.
2599 (init_optabs): Init lrint_optab as conversion optab.
2600 * genopinit.c (lrint_optab): Change to a conversion optab.
2601 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2602 expansion via conversion optab.
2603 * config/i386/i386.md (*fistdi2_1): Remove
2604 flag_unsafe_math_optimizations guard.
2605 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2606 fist<mode>2_with_temp): Likewise.
2607 (lrint<mode>2): Split into...
2608 (lrintxf<mode>2): ... x87 part
2609 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2610 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2611 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2612 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2613 * doc/md.texi (lrintMN2): Document.
2615 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2618 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2619 Use inc and dec instructions for TARGET_USE_INCDEC.
2620 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2621 ("sync_double_compare_and_swap<mode>"): Likewise.
2622 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2623 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2624 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2625 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2626 ("sync_old_add<mode>"): Likewise.
2627 ("sync_lock_test_and_set<mode>"): Likewise.
2628 ("sync_lock_test_and_set<mode>"): Likewise.
2629 ("sync_add<mode>"): Likewise.
2630 ("sync_sub<mode>"): Likewise.
2631 ("sync_ior<mode>"): Likewise.
2632 ("sync_and<mode>"): Likewise.
2633 ("sync_xor<mode>"): Likewise.
2635 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2637 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2638 (remainder_optab): Define corresponding macro.
2639 (drem_optab): Remove.
2640 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2641 drem_optab initialization.
2642 * genopinit.c (optabs): Implement remainder_optab using
2643 remainder?f3 patterns. Remove drem_optab.
2644 * builtins.c (expand_builtin_mathfn_2): Handle
2645 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2646 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2647 expand_builtin_mathfn_2.
2649 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2650 depend on flag_unsafe_math_optimizations.
2652 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2653 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2654 Do not depend on flag_unsafe_math_optimizations. Use
2655 truncxf?f expander instead of truncxf?f_i387_noop.
2657 ("fpremxf4", "fprem1xf4"): Do not depend on
2658 flag_unsafe_math_optimizations.
2659 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2660 flag_unsafe_math_optimizations. Use truncxf?f expander
2661 instead of truncxf?f_i387_noop.
2663 * doc/md.texi (fmod, remainder): Document standard named pattern.
2665 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2666 David Daney <ddaney@avtrex.com>
2669 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2671 2006-10-25 Ben Elliston <bje@au.ibm.com>
2673 * doc/extend.texi (Variable Attributes): Typo fix.
2675 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2677 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2678 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2679 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2680 (FRAME_POINTER_REGNUM): Update register number to 21.
2681 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2682 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2684 * config/i386/i386.c (regclass_map): Add fpcr entry.
2685 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2687 (print_reg): Assert REGNO (x) != FPCR_REG.
2689 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2690 (DIRFLAG_REG): Renumber.
2691 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2692 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2693 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2694 hardcoded SSE register numbers.
2696 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2697 hardcoded MMX register numbers.
2699 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2702 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2703 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2705 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2706 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2707 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2708 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2710 2006-10-24 Richard Guenther <rguenther@suse.de>
2713 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2714 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2715 for deciding optimizations in consistency with fold-const.c
2716 (fold_builtin_unordered_cmp): Likewise.
2718 2006-10-24 Richard Guenther <rguenther@suse.de>
2720 * builtins.c (fold_builtin_floor): Fold floor (x) where
2721 x is nonnegative to trunc (x).
2722 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2723 nonnegative to FIX_TRUNC_EXPR.
2725 2006-10-24 Richard Guenther <rguenther@suse.de>
2727 PR tree-optimization/29567
2728 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2729 for TRUTH_NOT_EXPR. Clarify comments.
2731 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2734 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2735 at compile-time using MPFR. Change parameter VALUE to FUNC,
2737 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2738 for overflow and underflow at all times and avoid folding in
2741 2006-10-24 Ben Elliston <bje@au.ibm.com>
2743 * reload1.c: Formatting fixes.
2745 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2747 PR tree-optimization/14784
2748 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2749 * tree-ssa-structalias.c (get_constraint_for,
2750 intra_create_variable_infos): Set is_heapvar.
2751 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2752 non-heapvar pointer variables specially.
2754 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2757 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2758 fold_builtin_tan): Fold all constant arguments. Take a "type"
2759 argument as necessary.
2760 (do_mpfr_arg1): New.
2761 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2763 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2765 * config/xtensa/lib1funcs.asm: Use C-style comments.
2767 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2769 * tree.c (local_define_builtin): Replace calls to
2770 lang_hooks.builtin_function with add_builtin_function.
2771 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2773 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2775 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2776 common code to add_builtin_function.
2777 * langhooks.c (add_builtin_function): New function.
2778 (lhd_builtin_function): New function.
2779 * langhooks.h (struct lang_hooks): Change the signature of
2781 (add_builtin_function): New function.
2782 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2783 calls to lang_hooks.builtin_function with add_builtin_function.
2784 * c-common.c (decl_builtin_1): Replace calls to
2785 lang_hooks.builtin_function with add_builtin_function.
2786 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2787 lang_hooks.builtin_function with add_builtin_function.
2788 * config/frv/frv.c (def_builtin): Replace calls to
2789 lang_hooks.builtin_function with add_builtin_function.
2790 * config/s390/s390.c (s390_init_builtins): Replace calls to
2791 lang_hooks.builtin_function with add_builtin_function.
2792 * config/sparc/sparc.c (def_builtin): Replace calls to
2793 lang_hooks.builtin_function with add_builtin_function.
2794 * config/i386/i386.c (def_builtin): Replace calls to
2795 lang_hooks.builtin_function with add_builtin_function.
2796 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2797 lang_hooks.builtin_function with add_builtin_function.
2798 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2799 lang_hooks.builtin_function with add_builtin_function.
2800 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2801 Replace calls to lang_hooks.builtin_function with
2802 add_builtin_function.
2803 * config/iq2000/iq2000.c (def_builtin):
2804 Replace calls to lang_hooks.builtin_function with
2805 add_builtin_function.
2806 * config/ia64/ia64.c (def_builtin): Replace calls to
2807 lang_hooks.builtin_function with add_builtin_function.
2808 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2809 lang_hooks.builtin_function with add_builtin_function.
2810 (altivec_init_builtins): Replace calls to
2811 lang_hooks.builtin_function with add_builtin_function.
2812 * config/arm/arm.c (def_mbuiltin): Replace calls to
2813 lang_hooks.builtin_function with add_builtin_function.
2814 (arm_init_tls_builtins): Replace calls to
2815 lang_hooks.builtin_function with add_builtin_function.
2816 * config/mips/mips.c (mips_init_builtins): Replace calls to
2817 lang_hooks.builtin_function with add_builtin_function.
2818 * config/bfin/bfin.c (def_builtin): Replace calls to
2819 lang_hooks.builtin_function with add_builtin_function.
2820 * langhooks-def.h (lhd_builtin_function): New function.
2821 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2823 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2825 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2826 BUILT_IN_STRNCAT_CHK.
2828 2006-10-23 Jan Hubicka <jh@suse.cz>
2830 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2831 don't do conversion from memmove to memcpy here.
2832 (expand_builtin_bcopy, expand_builtin): Update call of
2833 expand_builtin_memmove.
2834 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2836 2006-10-23 Paul Brook <paul@codesourcery.com>
2838 * stor-layout.c (start_record_layout): maximum_field_alignment
2839 overrides STRUCTURE_SIZE_BOUNDARY.
2841 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2843 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2844 nonlocal function symbols if flag_pic.
2846 2006-10-23 Richard Guenther <rguenther@suse.de>
2850 * builtins.c (fold_binary): Remove checks for flag_wrapv
2851 and flag_trapv where negate_expr_p covers these cases.
2853 2006-10-23 Richard Guenther <rguenther@suse.de>
2856 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2857 of two on the absolute value.
2858 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2859 and negating -C does not overflow.
2861 2006-10-23 Richard Guenther <rguenther@suse.de>
2864 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2865 only if not flag_rounding_math.
2867 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2868 Kaz Kojima <kkojima@gcc.gnu.org>
2871 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2872 SImode memory reference for the source of a movua.
2873 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2874 (movua): Use an unspec instead of sign_extract. Expect the source
2875 to have mode BLKmode.
2876 (extv, insv): Use a BLKmode rather than SImode memory reference
2877 for the source of a movua.
2879 2006-10-22 Jeff Law <law@redhat.com>
2880 Richard Guenther <rguenther@suse.de>
2882 PR tree-optimization/15911
2883 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2884 (register_edge_assert_for_1): Likewise.
2885 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2886 (find_conditional_asserts): Adjust for new function signature.
2887 (find_assert_locations): Likewise.
2889 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2891 * config/i386/tmmintrin.h: Remove the duplicated content.
2893 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2895 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2896 (x86_64-*-*): Likewise.
2898 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2899 (override_options): Check SSSE3.
2900 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2901 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2902 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2903 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2904 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2905 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2906 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2907 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2908 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2909 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2910 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2911 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2912 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2913 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2914 IX86_BUILTIN_PABSD128.
2915 (bdesc_2arg): Add SSSE3.
2916 (bdesc_1arg): Likewise.
2917 (ix86_init_mmx_sse_builtins): Support SSSE3.
2918 (ix86_expand_builtin): Likewise.
2919 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2921 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2922 (UNSPEC_PSIGN): Likewise.
2923 (UNSPEC_PALIGNR): Likewise.
2924 Include mmx.md before sse.md.
2926 * config/i386/i386.opt: Add -mssse3.
2928 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2929 (ssse3_phaddwv4hi3): Likewise.
2930 (ssse3_phadddv4si3): Likewise.
2931 (ssse3_phadddv2si3): Likewise.
2932 (ssse3_phaddswv8hi3): Likewise.
2933 (ssse3_phaddswv4hi3): Likewise.
2934 (ssse3_phsubwv8hi3): Likewise.
2935 (ssse3_phsubwv4hi3): Likewise.
2936 (ssse3_phsubdv4si3): Likewise.
2937 (ssse3_phsubdv2si3): Likewise.
2938 (ssse3_phsubswv8hi3): Likewise.
2939 (ssse3_phsubswv4hi3): Likewise.
2940 (ssse3_pmaddubswv8hi3): Likewise.
2941 (ssse3_pmaddubswv4hi3): Likewise.
2942 (ssse3_pmulhrswv8hi3): Likewise.
2943 (ssse3_pmulhrswv4hi3): Likewise.
2944 (ssse3_pshufbv16qi3): Likewise.
2945 (ssse3_pshufbv8qi3): Likewise.
2946 (ssse3_psign<mode>3): Likewise.
2947 (ssse3_psign<mode>3): Likewise.
2948 (ssse3_palignrti): Likewise.
2949 (ssse3_palignrdi): Likewise.
2950 (abs<mode>2): Likewise.
2951 (abs<mode>2): Likewise.
2953 * config/i386/tmmintrin.h: New file.
2955 * doc/extend.texi: Document SSSE3 built-in functions.
2957 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2959 2006-10-22 Ira Rosen <irar@il.ibm.com>
2961 * tree-vect-transform.c (vectorizable_load): Use the type of the
2962 return value of the mask_for_load builtin to create realign_load
2965 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2967 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2970 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2972 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2973 (UNSPEC_LDDQU): This.
2974 * config/i386/sse.md (sse3_lddqu): Updated.
2976 2006-10-21 Richard Guenther <rguenther@suse.de>
2978 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2979 (expand_builtin): Use it to expand lrint instead of
2980 expand_builtin_mathfn.
2982 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2985 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2986 flag_unsafe_math_optimizations is set.
2988 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2991 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2992 patterns to use memory input operand in x87->mem->XMM
2993 reload sequences. Skip transformation for TARGET_K8.
2995 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2997 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2998 force operand1 to register if both operands are memory operands.
2999 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3000 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3001 if both operands are memory operands.
3002 (truncdfsf2): Do not force operand1 to register if both operands
3003 are memory operands.
3005 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3007 * Makefile.in (LIBS): Add $(GMPLIBS).
3008 * doc/install.texi: Update GMP and MPFR requirements.
3009 * doc/sourcebuild.texi (need_gmp): Delete.
3011 2006-10-21 Richard Guenther <rguenther@suse.de>
3013 PR tree-optimization/3511
3014 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3015 got new invariant arguments during PHI translation.
3017 2006-10-21 Richard Guenther <rguenther@suse.de>
3020 * fold-const.c (fold_comparison): Fold signed comparisons
3021 of the form X +- C1 CMP Y +- C2.
3023 2006-10-21 Richard Guenther <rguenther@suse.de>
3026 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3027 if flag_unsafe_math_optimizations is specified. We have
3028 flag_finite_math_only for that.
3029 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3030 or flag_unsafe_math_optimizations.
3032 2006-10-21 Richard Guenther <rguenther@suse.de>
3034 * builtins.c (fold_builtin_classify): Fix typo.
3036 2006-10-21 Richard Guenther <rguenther@suse.de>
3039 * simplify-rtx.c (simplify_const_relational_operation):
3040 Do not constant-fold ORDERED and UNORDERED for
3041 flag_unsafe_math_optimizations but only we do not need to
3042 honor NaNs for the given mode.
3044 2006-10-21 Richard Guenther <rguenther@suse.de>
3047 * config/i386/i386.c (classify_argument): Remove redundant
3048 walking of the BINFOs.
3049 (contains_128bit_aligned_vector_p): Likewise.
3051 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3053 * BASE-VER: Set to 4.3.0.
3055 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3057 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3058 (tree_decl_with_vis): Remove artificial_pta_var flag.
3059 * tree-flow.h (referenced_var_check_and_insert): Expose.
3060 (nonlocal_all): New prototype.
3061 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3062 (nonlocal_all): Make global.
3063 (nonlocal_lookup): Remove.
3064 (nonlocal_insert): Ditto.
3065 (create_nonlocal_var): Do not call nonlocal_insert.
3066 (get_nonlocal_id_for_type): Remove.
3067 (find_global_initializers): Mark new vars we find for renaming.
3068 (intra_create_variable_infos): Only create one nonlocal.
3069 (expand_nonlocal_solutions): Remove.
3070 (compute_points_to_sets): Don't call it.
3071 (ipa_pta_execute): Ditto.
3072 (init_alias_heapvars): Don't create nonlocal_for_type.
3073 (delete_alias_heapvars): Don't remove it.
3074 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3077 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3079 * doc/install.texi (Downloading GCC): Clarify mention of
3080 Fortran in the "full distribution" description.
3082 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3084 Fix PR tree-optimization/28778
3085 Fix PR tree-optimization/29156
3086 Fix PR tree-optimization/29415
3087 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3088 (tree_decl_with_vis): Add artificial_pta_var flag.
3089 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3090 pushed into callers.
3091 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3092 (nonlocal_all): Ditto.
3093 (struct variable_info): Add directly_dereferenced member.
3094 (var_escaped_vars): New variable.
3095 (escaped_vars_tree): Ditto.
3096 (escaped_vars_id): Ditto.
3097 (nonlocal_vars_id): Ditto.
3098 (new_var_info): Set directly_dereferenced.
3099 (graph_size): New variable
3100 (build_constraint_graph): Use graph_size.
3101 (solve_graph): Don't process constraints that cannot change the
3102 solution, don't try to propagate an empty solution to our
3104 (process_constraint): Set directly_dereferenced.
3105 (could_have_pointers): New function.
3106 (get_constraint_for_component_ref): Don't process STRING_CST.
3107 (nonlocal_lookup): New function.
3108 (nonlocal_insert): Ditto.
3109 (create_nonlocal_var): Ditto.
3110 (get_nonlocal_id_for_type): Ditto.
3111 (get_constraint_for): Allow results vector to be empty in the case
3112 of string constants.
3113 Handle results of calls properly.
3114 (update_alias_info): Update alias info stats on number and type of
3116 (find_func_aliases): Use could_have_pointers.
3117 (make_constraint_from_escaped): Renamed from
3118 make_constraint_to_anything, and changed to make constraints from
3120 (make_constraint_to_escaped): New function.
3121 (find_global_initializers): Ditto.
3122 (create_variable_info_for): Make constraint from escaped to any
3123 global variable, and from any global variable to the set of
3125 (intra_create_variable_infos): Deal with escaped instead of
3126 pointing to anything.
3127 (set_uids_in_ptset): Do type pruning on directly dereferenced
3129 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3130 (init_base_vars): Fix comment, and initialize escaped_vars.
3131 (need_to_solve): Removed.
3132 (find_escape_constraints): New function.
3133 (expand_nonlocal_solutions): Ditto.
3134 (compute_points_to_sets): Call find_escape_constraints and
3135 expand_nonlocal_solutions.
3136 (delete_points_to_sets): Don't fall off the end of the graph.
3137 (init_alias_heapvars): Initialize nonlocal_for_type and
3139 (delete_alias_heapvars): Free nonlocal_for_type and null out
3142 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3144 * fold-const.c (add_double): Rename to add_double_with_sign.
3145 Add 'unsigned_p' parameter and take it into account for the overflow.
3146 (mul_double): Rename to mul_double_with_sign.
3147 Add 'unsigned_p' parameter and take it into account for the overflow.
3148 (fold_div_compare): Call add_double_with_sign instead of add_double
3149 and mul_double_with_sign instead of mul_double, passing them the
3150 unsignedness of the type.
3151 * tree.h (add_double): Macroize.
3152 (add_double_with_sign): New prototype.
3153 (mul_double): Macroize.
3154 (mul_double_with_sign): New prototype.
3156 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3158 * config/score/crti.asm: New file.
3159 * config/score/crtn.asm: New file.
3160 * config/score/elf.h: New file.
3161 * config/score/mac.md: New file.
3162 * config/score/misc.md: New file.
3163 * config/score/mul-div.S: New file.
3164 * config/score/predicates.md: New file.
3165 * config/score/score7.md: New file.
3166 * config/score/score.c: New file.
3167 * config/score/score-conv.h: New file.
3168 * config/score/score.h: New file.
3169 * config/score/score.md: New file.
3170 * config/score/score-mdaux.c: New file.
3171 * config/score/score-mdaux.h: New file.
3172 * config/score/score-modes.def: New file.
3173 * config/score/score.opt: New file.
3174 * config/score/score-protos.h: New file.
3175 * config/score/score-version.h: New file.
3176 * config/score/t-score-elf: New file.
3177 * config.gcc: Add score*-*-* configurations(Update before).
3178 * doc/invoke.texi (Score Options): New section.
3179 * doc/md.texi (Score family): New section to document constraints.
3181 2006-10-19 Nick Clifton <nickc@redhat.com>
3183 * config/arm/arm.c: Fix spelling typo.
3185 2006-10-18 Tom Tromey <tromey@redhat.com>
3187 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3189 2006-10-18 Jan Hubicka <jh@suse.cz>
3192 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3195 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3197 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3198 TSI_SAME_STMT, since that's the desired entity.
3200 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3202 * config/s390/contraints.md: New file.
3203 * config/s390/s390-protos.h (s390_mem_constraint,
3204 s390_O_constraint_str, s390_N_constraint_str,
3205 s390_float_const_zero_p): Function prototypes added.
3206 * config/s390/s390.c (s390_extra_constraint_str,
3207 s390_const_double_ok_for_constraint_p,
3208 s390_const_ok_for_constraint_p): Functions removed.
3209 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3210 s390_float_const_zero_p): New functions.
3211 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3212 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3213 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3214 Macro definitions removed.
3215 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3216 s390_extra_constraint_str): Functions removed.
3218 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3219 Richard Sandiford <richard@codesourcery.com>
3222 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3223 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3225 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3227 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3228 (DWARF2_FRAME_REG_OUT): Likewise.
3229 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3230 (DWARF2_FRAME_REG_OUT): Likewise.
3232 2006-10-17 Paul Brook <paul@codesourcery.com>
3234 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3236 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3238 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3239 Standardize on "GNU Fortran" as the official name of the Fortran
3242 2006-10-16 Mike Stump <mrs@apple.com>
3244 * doc/invoke.texi (Darwin Options): Document -mkernel.
3245 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3247 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3248 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3249 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3250 (OS_MISSING_ALTIVEC): Add.
3251 * config/i386/i386.c (override_options): Add
3252 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3253 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3254 -mkernel, -static or -mdynamic-no-pic is given.
3255 (C_COMMON_OVERRIDE_OPTIONS): Add.
3256 * config/darwin.opt (fapple-kext): Add.
3258 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3259 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3261 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3262 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3263 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3264 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3265 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3266 (flag_mkernel): Add.
3267 (flag_apple_kext): Add.
3268 (TARGET_KEXTABI): Add.
3269 * config/darwin.c (darwin_handle_kext_attribute): Add.
3270 (DARWIN_VTABLE_P): Add.
3271 (darwin_binds_local_p): Add partial support for rebinding vtables
3273 (darwin_kextabi_p): Add.
3274 (darwin_override_options): Add.
3275 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3276 (darwin_kextabi_p): Add.
3277 (darwin_override_options): Add.
3278 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3279 __DYNAMIC__ and __STATIC__ here.
3281 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3283 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3284 Added mention of "make pdf" target, and Texinfo requirements for
3287 2006-10-16 DJ Delorie <dj@redhat.com>
3289 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3290 into the GOT in case we need a subreg of the address.
3292 2006-10-16 Richard Guenther <rguenther@suse.de>
3295 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3296 SSE builtin documentation. Document SSE2 builtins.
3298 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3300 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3301 symbol in the output file for non-shared links when -nostdlib or
3302 -nodefaultlibs isn't specified.
3304 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3305 posix thread support.
3307 2006-10-15 Jan Hubicka <jh@suse.cz>
3310 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3311 declared always_inline even when not inlining.
3313 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3314 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3315 Andrew Pinski <pinskia@gmail.com>
3318 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3320 2006-10-15 Jan Hubicka <jh@suse.cz>
3321 Richard Guenther <rguenther@suse.de>
3324 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3325 process_function_and_variable_attributes on all variables, including
3326 those discovered during cgraph construction phase.
3328 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3330 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3332 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3334 * config/i386/athlon.md (athlon_fist): Add fisttp.
3336 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3337 Ian Lance Taylor <ian@airs.com>
3340 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3341 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3344 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3346 * config/score/score.c, config/score/score.h: Fix comment
3349 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3352 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3355 2006-10-13 Eric Christopher <echristo@apple.com>
3357 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3359 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3362 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3363 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3364 alignment supported by 32-bit ELF.
3366 2006-10-13 Eric Christopher <echristo@apple.com>
3368 * config/darwin.c (darwin_emit_unwind_label): Strip
3369 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3371 2006-10-13 Richard Guenther <rguenther@suse.de>
3373 PR tree-optimization/29446
3374 * tree-vrp.c (fix_equivalence_set): Remove.
3375 (extract_range_from_assert): Do not call fix_equivalence_set.
3376 (debug_value_range): Print a newline.
3377 (compare_name_with_value): For equivalence sets with
3378 inconsistent value ranges conservatively bail out.
3379 (compare_names): Likewise.
3381 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3383 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3384 and MPFR for gfortran.
3386 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3388 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3389 alignment supported by 32-bit ELF.
3391 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3395 * c-typeck.c (digest_init): Always allow initializing vectors
3396 that have static storage duration with compound literals.
3397 * tree.c (build_type_attribute_qual_variant): New, based on
3398 build_type_attribute_variant.
3399 (build_type_attribute_variant): Rewrite using the former.
3400 (make_vector_type): Use build_type_attribute_qual_variant to build
3401 type variants. Use type_hash_canon on the others.
3403 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3404 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3406 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3408 2006-10-12 Jan Hubicka <jh@suse.cz>
3411 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3412 current_function_decl is set but current_function_scope is not.
3414 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3416 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3417 emit_insn to emit eh_return_internal instruction.
3418 (eh_return_internal): Explicitly set pc.
3420 2006-10-11 Richard Guenther <rguenther@suse.de>
3422 PR tree-optimization/28230
3423 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3424 to the correct place.
3426 2006-10-11 Richard Guenther <rguenther@suse.de>
3429 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3432 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3434 * configure.ac: Added pdf to "Make-hooks"
3435 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3436 targets and *.pdf file patterns in cleanup targets.
3437 * configure: Regenerated.
3439 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3441 * config/avr/predicates.md: New file.
3442 * config/avr/avr.md: Include it.
3443 (REG_SP): New constant.
3444 (peepholes): Use predicates.
3445 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3446 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3447 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3449 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3451 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3454 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3457 * builtins.c (var_decl_component_p): New function.
3458 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3459 single entry optimization to variables and components thereof.
3461 2006-10-10 Richard Guenther <rguenther@suse.de>
3463 PR rtl-optimization/29323
3464 * except.c (set_nothrow_function_flags): For functions
3465 that do not bind local bail out early.
3467 2006-10-10 Ben Elliston <bje@au.ibm.com>
3469 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3472 2006-10-09 Richard Henderson <rth@redhat.com>
3474 Revert emutls patch.
3476 2006-10-09 Richard Guenther <rguenther@suse.de>
3479 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3482 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3485 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3486 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3487 * configure: Regenerate.
3488 * config.in: Regenerate.
3490 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3492 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3494 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3496 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3497 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3498 Remove stray newline.
3500 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3502 * config/mips/mips.c (mips_classify_symbol): Do not return
3503 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3504 (mips_in_small_data_p): Tweak comments.
3506 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3508 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3510 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3512 * gimplify.c, sched-int.h: Fix comment typos.
3514 * sched-int.h: Fix comment typos.
3516 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3518 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3520 * sched-ebb.c (begin_schedule_ready): Use them.
3521 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3522 add_to_speculative_block, create_check_block_twin, speculate_insn,
3523 fix_jump_move, move_block_after_check): Ditto.
3524 * sched-rgn.c (new_ready): Ditto.
3526 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3528 PR rtl-optimization/29128
3529 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3530 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3531 allow interblock movement of speculation checks.
3533 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3536 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3537 casted to integer type.
3538 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3539 if they are significantly more expensive than [reg + index] ones.
3541 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3543 PR tree-optimization/29330
3544 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3545 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3546 on newly allocated ddrs.
3547 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3548 to VEC (loop_p, heap) pointer.
3549 (compute_data_dependences_for_loop): Adjust caller.
3550 (free_dependence_relations): Free DDR_LOOP_NEST.
3552 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3553 free DEPENDENCE_RELATIONS and DATAREFS.
3556 * builtins.c (expand_builtin_sync_operation,
3557 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3558 Use convert_to_mode to handle promoted arguments.
3560 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3562 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3564 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3566 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3568 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3570 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3571 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3572 Use <modeconstraint> instead of "r" as operand 1 constraint.
3574 2006-10-06 Olivier Hainque <hainque@adacore.com>
3576 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3577 Don't recurse on the pointed-to type.
3578 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3579 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3580 types with components of variable size.
3582 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3584 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3586 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3588 PR tree-optimization/29290
3589 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3593 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3594 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3597 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3598 the number of vector elements fill the rest with zeros.
3600 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3602 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3603 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3606 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3608 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3609 unnamed pattern into subsi3. Use correct constraints/predicates.
3610 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3611 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3613 2006-10-05 Ira Rosen <irar@il.ibm.com>
3615 * doc/loop.texi: Add data references analysis description.
3617 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3619 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3621 2006-10-04 Richard Henderson <rth@redhat.com>
3622 Jakub Jelinek <jakub@redhat.com>
3624 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3625 * builtin-types.def (BT_WORD): Make unsigned.
3626 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3627 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3628 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3629 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3630 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3631 * cgraph.c (decide_is_variable_needed): Look at force_output.
3632 Recurse for emulated tls.
3633 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3634 checks redundant with decide_is_variable_needed.
3635 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3636 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3638 * expr.c (emutls_var_address): New.
3639 (expand_expr_real_1): Expand emulated tls.
3640 (expand_expr_addr_expr_1): Likewise.
3641 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3642 * output.h (emutls_finish): Declare.
3643 * toplev.c (compile_file): Call it.
3644 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3645 address before wrapping in CONST.
3646 * varasm.c (emutls_htab, emutls_object_type): New.
3647 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3648 (get_emutls_object_name, get_emutls_object_type): New.
3649 (get_emutls_init_templ_addr, emutls_decl): New.
3650 (emutls_common_1, emutls_finish): New.
3651 (assemble_variable): When emulating tls, swap decls; generate
3652 constructor for the emutls objects.
3653 (do_assemble_alias): When emulating tls, swap decl and target name.
3654 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3656 * emutls.c: New file.
3657 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3658 tls_object for real tls.
3660 2006-10-04 Zack Weinberg <zackw@panix.com>
3662 Fix bug in constraint-check generator, reported by Rask Ingemann
3664 * genpreds.c (add_constraint): Don't remove anything from the
3666 (write_tm_constrs_h): Detect whether "op" argument is used, and
3667 mark it ARG_UNUSED if it isn't.
3668 (write_insn_const_int_ok_for_constraint): Skip the part of the
3669 expression that would test whether "op" (which is not available
3670 here) is a CONST_INT.
3672 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3675 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3677 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3679 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3680 current Leopard versions.
3681 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3683 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3685 * doc/install.texi: Fix typos.
3687 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3689 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3690 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3691 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3693 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3695 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3696 arg to be struct mach_header_64* instead.
3698 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3701 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3702 side effects after the outer expression's post side effects.
3704 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3706 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3707 comments to reflect actual behavior and relationship between
3708 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3710 * doc/c-tree.texi (Working with declarations): Fix documentation
3711 of FIELD_DECL likewise.
3713 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3716 * doc/extend.texi: Add used variable attribute description.
3718 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3721 * c.opt (Woverride-init): New.
3722 * c-opts.c (c_common_post_options): Default warn_override_init to
3724 * c-typeck.c (add_pending_init, output_init_element): Warn for
3725 overriding initializers without side effects.
3726 * doc/invoke.texi (-Woverride-init): Document.
3729 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3731 PR rtl-optimization/28096
3732 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3733 assignment has already been used as a destination earlier in the block.
3735 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3737 * builtins.c (expand_builtin_setjmp): Delete.
3738 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3739 <BUILT_IN_SETJMP_SETUP>: New case.
3740 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3741 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3742 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3743 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3744 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3745 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3746 (lower_function_body): Initialize it to false. If it is set to true
3747 at the end of the processing, emit the setjmp dispatcher.
3748 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3749 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3750 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3751 on the rhs of the assignment.
3752 (lower_builtin_setjmp): New function.
3753 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3754 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3755 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3756 to detect calls that can go to non-local labels. Use specific
3757 helper to create the abnormal edges associated with them.
3758 <MODIFY_EXPR>: Likewise.
3759 (make_abnormal_goto_edges): New function extracted from...
3760 (make_goto_expr_edges): ...here. Call it for computed gotos.
3761 (simple_goto_p): Minor tweak.
3762 (tree_can_make_abnormal_goto): New predicate.
3763 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3764 (tree_purge_dead_abnormal_call_edges): New function.
3765 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3766 (tree_purge_dead_abnormal_call_edges): Likewise.
3767 (make_abnormal_goto_edges): Likewise.
3768 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3769 Purge all dead abnormal edges if the call was in the last statement.
3770 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3771 (execute_fixup_cfg): If there are non-local labels in the function,
3772 scan the basic blocks and split them at calls that can go to non-local
3773 labels or add missing abnormal call edges. Write down the CFG in the
3775 (pass_fixup_cfg): Remove TODO_dump_func flag.
3776 * unwind-sjlj.c: Poison setjmp.
3777 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3778 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3779 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3780 (DONT_USE_BUILTIN_SETJMP): Document it.
3782 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3785 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3786 to 1 when __ppc64__ is defined.
3787 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3789 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3791 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3793 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3794 * config/ia64/unwind-hpux.c: Delete.
3796 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3798 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3799 on the element before gimplifying it, instead of punting if it is of
3802 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3804 * doc/loop.texi: New file.
3805 * doc/gccint.texi: Reference loop.texi.
3806 * Makefile.in (loop.texi): Add.
3808 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3810 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3812 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3813 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3815 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3817 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3819 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3821 * doc/install.texi: Document required versions of GMP and MPFR.
3823 2006-09-27 Paul Brook <paul@codesourcery.com>
3826 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3828 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3830 * reload1.c (alter_reg): Require the alignment of the stack slot to
3831 be at least reg_max_ref_width bytes.
3832 (scan_paradoxical_subregs): Record the largest width in
3835 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3839 * tree-nested.c (struct nesting_info): Added static_chain_added.
3840 (convert_call_expr): Set static_chain_added when adding static
3841 chain. Handle OMP_PARALLEL and OMP_SECTION.
3843 2006-09-25 Matthias Klose <doko@debian.org>
3845 * doc/invoke.texi: Add missing full stop.
3847 2006-09-25 Richard Henderson <rth@redhat.com>
3849 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3850 before cgraph_function_flags_ready.
3852 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3853 Adam Nemet <anemet@caviumnetworks.com>
3855 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3856 determine_common_wider_type): New functions.
3857 (get_computation_aff): Use them to simplify arithmetic between
3858 UBASE and CBASE if they are shortened from the same type.
3860 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3863 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3864 -2147483647 - 1 instead of 0x80000000.
3866 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3868 * flags.h (HONOR_NANS): Fix typo in comment.
3870 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3872 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3874 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3878 * tree.c (merge_attributes, attribute_list_contained): If both
3879 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3881 * c-typeck.c (comptypes_internal): Don't consider aggregates
3882 in different TUs as compatible if there one set of attributes is
3883 not a subset of the other type's attributes.
3884 (composite_type): Try harder not to create a new aggregate type.
3886 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3888 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3889 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3890 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3891 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3892 than replicating condition above.
3893 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3895 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3896 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3897 the linker by default.
3899 2006-09-22 Mike Stump <mrs@apple.com>
3901 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3904 2006-09-22 Richard Guenther <rguenther@suse.de>
3907 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3908 sort of stack variables stable.
3910 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3913 * explow.c (force_reg): Set REG_POINTER flag according to
3916 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3918 PR tree-optimization/28888
3919 * tree-if-conv.c (combine_blocks): Rewritten.
3920 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3921 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3923 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3925 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3928 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3930 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3932 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3934 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3936 2006-09-21 Roger Sayle <roger@eyesopen.com>
3939 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3940 dw_fde_current_label, to be the start of the function, i.e. the same
3941 value as dw_fde_begin.
3943 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3945 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3946 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3947 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3948 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3949 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3950 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3951 (abs<mode>2, neg<mode>2): Likewise.
3952 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3953 (*mips_abs_ps): New define_insn.
3955 2006-09-20 Josh Conner <jconner@apple.com>
3958 * calls.c (expand_call): Allow reuse of structure return stack
3961 2006-09-20 Paul Brook <paul@codesourcery.com>
3963 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3966 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3968 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3969 clean up terminology.
3971 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3974 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3975 with tablejumps in them.
3977 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3980 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3981 wrap it into TARGET_EXPR.
3983 2006-09-20 Eric Christopher <echristo@apple.com>
3985 * config/i386/i386.c (x86_fisttp): Remove.
3986 * config/i386/i386.h (x86_fisttp): Ditto.
3987 (TARGET_FISTTP): Ditto.
3989 2006-09-19 Eric Christopher <echristo@apple.com>
3991 * doc/tm.texi (OBJC_JBLEN): Describe.
3992 * config/i386/darwin.h (OBJC_JBLEN): Define.
3993 * config/rs6000/darwin.h: Ditto.
3995 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3997 PR rtl-optimization/21299
3998 * reload1.c (reload): Purge invalid ASMs in the final pass.
4000 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4003 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4004 pointers as legitimate constants.
4006 2006-09-19 Paul Brook <paul@codesourcery.com>
4009 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4011 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4013 PR tree-optimization/28887
4014 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4015 component parts from the reference.
4016 (gather_memory_references_ref): Record the reference without the
4017 nonaddressable component parts.
4019 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4022 * c-opts.c (c_common_handle_option): Ignore the -std options
4023 if the input language is assembly.
4025 2006-09-17 Ira Rosen <irar@il.ibm.com>
4028 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4030 (ptr_ptr_may_alias_p): Likewise.
4031 (record_record_differ_p): New function.
4032 (base_object_differ_p): Call record_record_differ_p.
4034 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4037 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4038 away for the expr argument.
4040 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4043 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4044 before using it for dumping after vectorizing loops.
4046 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4047 Jack Howarth <howarth@bromo.med.uc.edu>
4050 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4051 skip on error_mark_node.
4052 (rs6000_darwin64_record_arg_recurse): Likewise.
4054 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4056 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4057 * doc/rtl.texi: Remove related documentation.
4059 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4061 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4064 2006-09-15 Jim Wilson <wilson@specifix.com>
4066 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4067 Handle symbol offsets same as they are handled in ia64_expand_move
4070 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4072 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4073 Add forgotten parameter to the fprintf call.
4075 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4077 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4079 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4081 * doc/contrib.texi: Add my entry.
4083 2006-09-15 Nick Clifton <nickc@redhat.com>
4085 * doc/md.texi (Processor pipeline description): Fix typo in
4086 example of how to use the absence_set directive and reword the
4087 description to make it slightly easier to read.
4089 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4091 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4092 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4093 expanding the number of iterations.
4094 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4096 * cfgrtl.c (emit_insn_at_entry): New function.
4097 * rtl.h (emit_insn_at_entry): Declare it.
4098 * integrate.c (emit_initial_value_sets): Use it.
4100 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4102 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4104 (struct loop_work and related VEC declarations): Delete.
4105 (bfin_dump_loops): Print out new member bad.
4106 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4107 (bfin_scan_loop): Don't recurse.
4108 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4109 loops. No longer need to update outer loops if the current one is
4110 found bad. Move some validitiy checks to bfin_discover_loop.
4111 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4112 but changed not to check for nesting. Also changed to use the new bad
4114 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4115 time. Use bitmap based test to discover loop nesting.
4117 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4119 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4122 2006-09-14 Richard Guenther <rguenther@suse.de>
4123 Kazu Hirata <kazu@codesourcery.com>
4125 PR middle-end/28884.
4126 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4127 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4128 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4129 with TARGET_FUNCTION_VALUE.
4131 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4134 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4136 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4138 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4141 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4144 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4147 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4149 * basic_block.h (bb_has_eh_pred): Fix comment.
4151 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4153 * flow.c (calculate_global_regs_live): Invalidate eh registers
4154 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4155 (propagate_block): Handle eh registers as if they were set at basic
4157 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4159 * global.c (global_conflicts): Make eh registers to conflict with
4160 pseudos live at basic block begin.
4161 * basic_block.h (bb_has_eh_pred): New function.
4163 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4165 PR rtl-optimization/28982
4166 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4167 index of a PRE_MODIFY or POST_MODIFY address.
4168 * reload1.c (inc_for_reload): Use find_replacement on the original
4169 base and index registers.
4171 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4173 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4174 for -Os. Update __m128 alignment requirement.
4176 2006-09-13 Jan Hubicka <jh@suse.cz>
4178 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4180 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4182 PR rtl-optimization/28243
4183 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4184 the insn to which the note was originally attached.
4186 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4187 Roger Sayle <roger@eyesopen.com>
4189 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4190 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4191 on platforms that don't use dwarf for debug info.
4193 2006-09-12 Jason Merrill <jason@redhat.com>
4196 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4197 hard_frame_pointer_rtx after using it to update the frame pointer.
4199 2006-09-12 Roger Sayle <roger@eyesopen.com>
4201 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4202 (TARGET_ASM_CLOSE_PAREN): Likewise.
4203 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4204 (TARGET_ASM_CLOSE_PAREN): Likewise.
4206 2006-09-12 Roger Sayle <roger@eyesopen.com>
4209 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4210 frame information for frames larger than 512 Kbytes on Tru64 when
4211 using the native assembler.
4213 2006-09-12 Roger Sayle <roger@eyesopen.com>
4217 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4218 and symbols. Instead use the implementation from cse.c's hash_rtx.
4220 2006-09-12 Jan Hubicka <jh@suse.cz>
4222 PR rtl-optimization/28071
4223 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4224 (vect_transform_loop): Likewise.
4225 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4226 (new_loop_vec_info): Likewise.
4227 (destroy_loop_vec_info): Likewise.
4228 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4229 (create_stmt_ann): Likewise.
4230 (create_tree_ann): Rename to ...
4231 (create_tree_common_ann): ... this one; allocate only the common part
4233 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4234 (get_value_handle): Likewise.
4235 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4236 get_tree_common_ann.
4237 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4238 (vinfo_for_stmt): Use stmt annotations.
4239 * tree-flow.h (tree_ann_common_t): New type.
4240 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4241 (tree_ann, get_tree_ann, create_tree_ann): New.
4242 * tree-flow-inline.h (get_function_ann): Do more type checking.
4243 (stmt_ann): Likewise.
4244 (tree_ann): Rename to ...
4245 (tree_common_ann): ... this one; return ony common_ann
4246 (get_tree_ann): Rename to ...
4247 (tree_common_ann): This one; return only common_ann.
4248 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4251 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4253 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4254 with_cpu by default.
4256 * dwarf2out.c (dwarf_file_data): New.
4257 (enum dw_val_class): Add dw_val_class_file.
4258 (struct dw_val_struct): Add val_file.
4259 (file_table): Change to a hash table.
4260 (file_table_emitted): Delete.
4261 (file_table_last_lookup_index): Delete.
4262 (emitcount): Delete.
4263 (last_emitted_file): New.
4264 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4265 (init_file_table): Delete.
4266 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4267 (AT_addr): Add comment.
4271 (print_die): Handle dw_val_class_file.
4272 (print_dwarf_line_table): Update for new file table structure.
4273 (attr_checksum): Do checksum a filename.
4274 (same_dw_val_p, same_attr_p): Do compare a filename.
4275 (size_of_die): Handle dw_val_class_file.
4276 (value_format): Likewise.
4277 (output_die): Likewise. Also, call maybe_emit_file here.
4278 (struct file_info): Constify filenames. Make file_idx a pointer
4279 to a struct dwarf_file_data.
4280 (struct dir_info): Constify directory names. Remove 'used' field.
4281 (struct file_name_acquire_data): New.
4282 (file_name_acquire): New.
4283 (output_file_names): Modify to handle new file data structures.
4284 (add_src_coords_attributes): Use add_AT_file.
4285 (add_call_src_coords_attributes): Likewise.
4286 (dwarf2out_imported_module_or_decl): Likewise.
4287 (gen_subprogram_die): Modify for new file data structures.
4288 (gen_variable_die): Likewise.
4289 (file_table_eq): New.
4290 (file_table_hash): New.
4291 (file_table_last_lookup): New.
4292 (lookup_filename): Rewrite to handle new file data structures.
4293 (maybe_emit_file): Rewrite to handle new file data structures.
4294 (dwarf2out_source_line): Always call lookup_filename and
4296 (dwarf2out_init): Create file_table here.
4297 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4298 (file_table_relative_p): New.
4299 (dwarf2out_finish): Change detection of relative filenames
4300 to work with new file data structures. Move output_line_info call
4301 after debug_info output.
4303 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4308 * config/i386/i386.c (override_options): Always default to 16
4309 byte stack boundary.
4311 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4314 * var-tracking.c (dump_dataflow_set): Start dumping at
4316 (clobber_variable_part): Kill only the variable part in
4317 registers holding it, leaving other variables alone.
4319 2006-09-11 Josh Triplett <josh@freedesktop.org>
4321 * doc/extend.texi (Other Builtins): Actually use the macro
4322 argument in the documentation example for
4323 __builtin_types_compatible_p.
4325 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4327 PR rtl-optimization/28726
4328 * sched-deps.c (sched_analyze_reg): New function extracted from...
4329 (sched_analyze_1): ...here. Call it to analyze references to
4330 registers. Treat again writes to a stack register as writing to the
4332 (sched_analyze_2): ...and here. Call it to analyze references to
4333 registers. Treat again reads of a stack register as reading the
4336 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4337 David Edelsohn <edelsohn@gnu.org>
4340 * config/rs6000/spe.md (frob_df_di): Remove %H.
4341 (frob_di_df): Remove %H. Change evmergelo to mr.
4342 (frob_di_df_2): Remove %H. Change evldd to two loads.
4344 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4346 * doc/cpp.texi: Fix names of charset options.
4348 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4351 * config/i386/i386.c (override_options): Use 128-bit
4352 stack boundary always for 64bits.
4354 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4356 PR rtl-optimization/28636
4357 * combine.c (force_to_mode): Test for side-effects before
4358 substituting by zero.
4359 (simplify_shift_const): Likewise for zero or other constants.
4361 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4364 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4367 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4370 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4371 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4372 returned by mode_for_size, rather than the mode of src itself,
4373 to choose between 32-bit and 64-bit patterns.
4374 (mips_mem_fits_mode_p): New function.
4375 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4376 that the size of the source matches the size of the destination.
4377 (mov_<store>l, mov_<store>r): Likewise.
4379 2006-09-10 Eric Christopher <echristo@apple.com>
4381 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4384 2006-09-09 Eric Christopher <echristo@apple.com>
4387 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4390 2006-09-09 Roger Sayle <roger@eyesopen.com>
4391 Nicolas Setton <setton@adacore.com>
4393 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4395 2006-09-10 Andreas Schwab <schwab@suse.de>
4397 * config/m68k/m68k.md (bungt_rev): New pattern.
4399 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4400 Dale Johannesen <dalej@apple.com>
4403 * regclass.c (struct reg_pref): Update documentation.
4404 (regclass): Set prefclass to NO_REGS if memory is the best option.
4405 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4407 2006-09-08 Eric Christopher <echristo@apple.com>
4409 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4410 * config/t-slibgcc-darwin: Support x86_64 multilib.
4411 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4412 Return 1 for x86_64-darwin.
4413 * config/i386/t-darwin: Add m64 multilib.
4414 (LIB2_SIDITI_CONV_FUNCS): Use.
4415 (LIB2FUNCS_EXTRA): Ditto.
4416 * config/i386/darwin.h: Support x86_64.
4417 * config/i386/i386.c (override_options): Turn on flag_pic
4418 for x86_64-darwin. Disable flag_omit_pointer.
4419 (get_pc_thunk_name): Assert !TARGET_64BIT.
4420 (legitimate_address_p): Disable machopic addressing for
4422 (legitimize_pic_address): Ditto.
4423 (ix86_expand_move): Ditto.
4424 (ix86_expand_call): Ditto.
4425 (machopic_output_stub): Ditto.
4426 * config/darwin.c (machopic_select_section): Support literal16.
4427 (machopic_select_rtx_section): Ditto.
4428 * config/darwin-sections.def: Ditto.
4429 * config/darwin-64.c: New.
4431 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4434 * c-tree.h (struct c_arg_info): Add pending_sizes.
4435 * c-parser.c (c_parser_parms_declarator,
4436 c_parser_parms_list_declarator): Initialize pending_sizes.
4437 * c-decl.c (get_parm_info): Initialize pending_sizes.
4438 (get_parm_info): Set pending_sizes.
4439 (grokdeclarator): Call put_pending_sizes for parameters for
4440 function definition only.
4442 2006-09-07 Jason Merrill <jason@redhat.com>
4445 * varasm.c (output_constant): Only strip actual no-op conversions.
4448 * config/i386/i386.c (override_options): Use 128-bit
4449 stack boundary if -msse.
4451 2006-09-07 Eric Christopher <echristo@apple.com>
4453 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4455 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4458 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4460 * dwarf2out.c: Remove strange characters from comment above
4461 dwarf2out_frame_debug_expr.
4463 2006-09-07 Eric Christopher <echristo@apple.com>
4465 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4466 * config/darwin.h: ... to here.
4468 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4470 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4472 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4473 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4475 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4476 TARGET_PARTIAL_FLAG_REG_STALL.
4477 (*ashldi3_cconly_rex64): Likewise.
4478 (*ashlsi3_cmp): Likewise.
4479 (*ashlsi3_cconly): Likewise.
4480 (*ashlsi3_cmp_zext): Likewise.
4481 (*ashlhi3_cmp): Likewise.
4482 (*ashlhi3_cconly): Likewise.
4483 (*ashlqi3_cmp): Likewise.
4484 (*ashlqi3_cconly): Likewise.
4485 (*ashrdi3_cmp_rex64): Likewise.
4486 (*ashrdi3_cconly_rex64): Likewise.
4487 (*ashrsi3_cmp): Likewise.
4488 (*ashrsi3_cconly): Likewise.
4489 (*ashrsi3_cmp_zext): Likewise.
4490 (*ashrhi3_cmp): Likewise.
4491 (*ashrhi3_cconly): Likewise.
4492 (*ashrqi3_cmp): Likewise.
4493 (*ashrqi3_cconly): Likewise.
4494 (*lshrdi3_cmp_rex64): Likewise.
4495 (*lshrdi3_cconly_rex64): Likewise.
4496 (*lshrsi3_cmp): Likewise.
4497 (*lshrsi3_cconly): Likewise.
4498 (*lshrsi3_cmp_zext): Likewise.
4499 (*lshrhi3_cmp): Likewise.
4500 (*lshrhi3_cconly): Likewise.
4501 (*lshrqi2_cmp): Likewise.
4502 (*lshrqi2_cconly): Likewise.
4504 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4507 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4508 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4509 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4510 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4511 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4512 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4513 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4514 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4515 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4516 implement only CC setting effects of shift instructions.
4518 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4520 * doc/contrib.texi: Add myself.
4522 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4525 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4526 was set by the user.
4528 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4531 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4532 (divsi_inv_m1): Use them.
4533 (UNSPEC_DIV_INV_TABLE): New constant.
4535 2006-09-06 James E Wilson <wilson@specifix.com>
4538 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4539 then call count_or_remove_death_notes.
4541 2006-09-06 Jason Merrill <jason@redhat.com>
4544 * tree-inline.c (copy_result_decl_to_var): New fn.
4545 (declare_return_variable): Use it. Call declare_inline_vars here.
4546 (expand_call_inline): Not here.
4548 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4550 * doc/contrib.texi: Update my entry.
4552 2006-09-06 Nick Clifton <nickc@redhat.com>
4554 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4556 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4559 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4560 (canonicalize_induction_variables): Likewise.
4561 (tree_unroll_loops_completely): Likewise.
4562 (tree_ssa_prefetch_arrays): Likewise.
4563 (remove_empty_loops): Likewise.
4564 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4565 TODO_cleanup_cfg instead of directly calling
4566 cleanup_tree_cfg_loop.
4567 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4569 (tree_unroll_loops_completely): Likewise.
4570 (remove_empty_loops): Likewise.
4571 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4572 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4573 of tree_ssa_unswitch_loops.
4574 (tree_ssa_loop_ivcanon): Use the return value of
4575 canonicalize_induction_variables.
4576 (tree_ssa_empty_loop): Use the return value of
4578 (tree_complete_unroll): Use the return value of
4579 tree_unroll_loops_completely.
4580 (tree_ssa_loop_prefetch): Use the return value of
4581 tree_ssa_prefetch_arrays.
4582 * passes.c (execute_todo): Before Cleanup CFG, set
4583 updating_used_alone and after cleanup CFG, call
4584 recalculate_used_alone.
4586 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4589 * tree-vect-transform.c (vectorizable_condition): Move the check
4590 for the type after the check for simple condition.
4592 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4593 Kaz Kojima <kkojima@gcc.gnu.org>
4596 * mode-switching.c (optimize_mode_switching): Make the destination
4597 block of an abnormal edge have no anticipatable mode. Don't
4598 insert mode switching code at the end of the source block of
4601 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4603 PR rtl-optimization/26847
4604 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4605 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4606 (simplify_plus_minus): Count n_constants while filling ops. Replace
4607 qsort with insertion sort. Before going through the array to simplify
4608 pairs, sort it. Delay early exit until after the first sort, exiting
4609 only if no swaps occurred. Simplify pairs in reversed order, without
4610 special-casing the first iteration. Pack ops after simplifying pairs.
4612 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4614 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4615 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4616 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4617 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4619 2006-09-05 Richard Guenther <rguenther@suse.de>
4621 PR tree-optimization/28900
4622 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4623 compound conditional before creating COND_EXPR condition.
4625 2006-09-05 Richard Guenther <rguenther@suse.de>
4627 PR tree-optimization/28905
4628 * tree-vrp.c (fix_equivalence_set): Manually implement
4629 !value_ranges_intersect_p to also handle symbolic ranges.
4631 2006-09-05 Richard Guenther <rguenther@suse.de>
4634 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4637 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4639 PR rtl-optimization/27616
4640 * cse.c (table_size): New static variable.
4641 (new_basic_block): Initialize it to 0.
4642 (remove_from_table): Decrement it.
4643 (insert): Increment it.
4644 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4645 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4646 fold_rtx_mem_1 if under the cap.
4647 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4648 the lookup of the equivalent expression and test for equality of the
4649 first operand of the equivalent expression before in turn looking up
4650 an equivalent constant for the second operand.
4652 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4655 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4656 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4657 pointer, instead of assuming it is possible to derive the
4658 correct args size from a call insn.
4660 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4663 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4664 (fold_builtin_mempcpy): Rename to...
4665 (fold_builtin_memory_op): ... this. Optimize one element copy
4667 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4669 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4670 (expand_builtin_memcpy, expand_builtin_mempcpy,
4671 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4672 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4673 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4674 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4676 2006-09-01 DJ Delorie <dj@redhat.com>
4678 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4679 (stzx_16): Likewise.
4680 ("stzx_24_<mode>"): Likewise.
4681 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4682 ("cmp<mode>_op"): New.
4683 (cmp<mode>): Change to expander; just save operands.
4685 (b<code>): Change to expander, emit compare here.
4686 (s<code>_op): Change to use split and expander.
4687 (s<code>_24_op): Likewise.
4688 (s<code>_<mode>): New.
4689 (s<code>_<mode>_24): New.
4690 (movqicc_<code>_<mode): New.
4691 (movhicc_<code>_<mode>): New.
4694 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4695 (m32c_pend_compare): New.
4696 (m32c_unpend_compare): New.
4697 (m32c_expand_scc): New.
4698 (m32c_expand_movcc): Emit the compare also.
4699 * config/m32c/predicates.md (mra_nopp_operand): New.
4701 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4702 Richard Guenther <rguenther@suse.de>
4703 Adam Nemet <anemet@caviumnetworks.com>
4706 * builtins.c (get_pointer_alignment): Handle more forms
4707 of base addresses that can be used to derive more precise
4708 information about alignment.
4710 2006-09-01 Jason Merrill <jason@redhat.com>
4713 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4716 * gimplify.c (voidify_wrapper_expr): Handle null type.
4718 2006-09-01 Josh Conner <jconner@apple.com>
4721 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4722 (execute_return_slot_opt): Use it.
4724 2006-08-31 Josh Conner <jconner@apple.com>
4727 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4728 returning aggregates.
4730 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4732 PR tree-optimization/28839
4733 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4734 blocks in that phi arguments appear.
4736 2006-08-31 Roger Sayle <roger@eyesopen.com>
4739 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4740 NULL, otherwise use an advance_loc4 to adjust relative to the
4742 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4743 (dwarf2out_switch_text_section): Reset the current label to avoid
4744 using advance_loc4 over section boundaries.
4746 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4749 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4750 r12 + SYMBOLIC_CONST.
4752 2006-08-30 Richard Guenther <rguenther@suse.de>
4754 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4756 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4758 PR rtl-optimization/27735
4759 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4760 Add new argument to keep track of whether an irreducible region
4761 was affected. All callers changed.
4762 (fix_irreducible_loops): Removed.
4763 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4764 flags were invalidated.
4766 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4768 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4769 instead of SF operands.
4770 (*fop_df_comm_sse): Likewise.
4771 (*fop_df_comm_i387): Likewise.
4772 (*fop_df_1_mixed): Likewise.
4773 (*fop_df_1_sse): Likewise.
4775 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4776 J"orn Rennecke <joern.rennecke@st.com>
4778 PR tree-optimization/17506
4779 * tree-ssa.c (warn_uninit): If warning about a location outside of
4780 the current function, note where the variable was declared.
4782 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4784 PR tree-optimization/28411
4785 * double-int.c (double_int_div): Use double_int_divmod.
4786 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4787 double_int_mod, double_int_smod, double_int_umod): New functions.
4788 * double-int.h (double_int_divmod, double_int_sdivmod,
4789 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4791 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4793 (get_computation_aff, get_computation_cost_at): Handle double_int
4794 return type of constant_multiple_of.
4796 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4799 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4800 an implicit conversion.
4802 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4804 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4806 2006-08-27 Roger Sayle <roger@eyesopen.com>
4808 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4811 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4813 * config/i386/crtfastmath.c: Fix a comment typo.
4815 2006-08-26 Roger Sayle <roger@eyesopen.com>
4817 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4818 temporary visit flags on CASE_LABEL_EXPRs.
4819 * c-common.c (match_case_to_enum): Add function comment. Avoid
4820 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4821 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4822 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4823 a constant, only warn if that constant value isn't handled.
4825 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4828 * input.h (restore_input_file_stack): Declare.
4829 (INPUT_FILE_STACK_BITS): Define.
4830 * toplev.c (fs_p, input_file_stack_history,
4831 input_file_stack_restored, restore_input_file_stack): New.
4832 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4833 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4834 (pop_srcloc): Don't free old state of stack.
4836 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4839 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4840 (PowerPC Type Attributes): New.
4842 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4844 * config/xtensa/xtensa.c (function_arg_boundary): New.
4845 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4847 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4848 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4850 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4853 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4856 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4858 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4859 (verify_local_live_at_start): Likewise.
4861 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4864 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4865 omp_add_variable): Treat sizes as variable whenever not
4868 2006-08-26 Richard Guenther <rguenther@suse.de>
4871 * fold-const.c (fold_binary): Fold temporary to correct
4872 type before constructing new comparison.
4874 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4877 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4878 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4880 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4883 * c-decl.c (start_function): Don't try to process prototype
4884 information from old declaration that isn't a function.
4886 2006-08-25 Jan Hubicka <jh@suse.cz>
4889 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4891 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4894 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4897 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4899 PR tree-optimization/16876
4900 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4901 exit if PARM doesn't match VALUE.
4903 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4905 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4906 literal_prefix directive.
4907 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4908 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4909 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4911 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4914 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4915 predicate to general_operand. Add 0->y and I->r alternatives.
4917 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4919 * doc/tm.texi: Fix a typo.
4920 * predict.c: Fix comment typos.
4922 2006-08-25 Nick Clifton <nickc@redhat.com>
4924 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4925 assertions of "cpu" and "machine".
4927 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4930 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4931 the access through a base which has an alias set of 0 cannot
4934 2006-08-24 Bill Wendling <wendling@apple.com>
4936 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4938 2006-08-24 Jan Hubicka <jh@suse.cz>
4940 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4942 2006-08-24 Jan Hubicka <jh@suse.cz>
4945 * cgraph.c: Fix comments.
4946 (cgraph_varpool_mark_needed_node): Mark only variables not already
4948 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4949 (cgraph_varpool_assembled_nodes_queue): New static variable.
4950 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4951 (cgraph_varpool_output_debug_info): New function.
4952 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4953 * Makefile.in: Add gt-cgraphunit.h
4955 2006-08-24 Jan Hubicka <jh@suse.cz>
4957 * predict.c (probability_reliable_p): New predicate.
4958 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4959 (predict_loops): Do not predict loop exit with less than 2%
4961 * basic-block.h (edge_probability_reliable_p,
4962 br_prob_note_reliable_p): Declare.
4963 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4964 prediction when static predictor is not reliable.
4965 * rs6000.c (output_cbranch): Likewise.
4967 2006-08-23 Stuart Hastings <stuart@apple.com>
4970 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4971 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4973 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4976 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4977 complex values, nor for generic vector values.
4979 2006-08-22 Richard Guenther <rguenther@suse.de>
4982 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4983 parameter. Convert arguments to arithmetic expression to the
4985 (analyze_scalar_evolution_1): Adjust caller.
4987 2006-08-22 Jan Hubicka <jh@suse.cz>
4989 Patch by Paolo Bonzini
4990 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4993 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4995 PR tree-optimization/28003
4996 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4997 before grouping aliases.
4999 2006-08-22 Roger Sayle <roger@eyesopen.com>
5001 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5002 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5004 2006-08-21 Jason Merrill <jason@redhat.com>
5007 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5008 wrapper. Loop to handle nested wrappers.
5009 (gimplify_bind_expr): Remove temp parameter.
5010 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5011 and STATEMENT_LIST on the rhs.
5012 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5013 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5014 (gimplify_target_expr): Remove special BIND_EXPR handling.
5016 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5018 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5021 2006-08-21 Olivier Hainque <hainque@adacore.com>
5023 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5024 Arrange for the temporary captures of components overlapping the lhs
5025 to happen before the lhs is possibly cleared.
5027 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5029 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5030 necessary places to pass the correct "number of registers" values
5033 2006-08-20 Jan Hubicka <jh@suse.cz>
5035 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5036 (create_name_tags): Instead of quadratic checking use hashtable.
5037 * bitmap.h: Include hashtab.h.
5038 (bitmap_hash): Declare.
5039 * bitmap.c (bitmap_hash): New function.
5041 2006-08-20 Jan Hubicka <jh@suse.cz>
5043 PR rtl-optimization/28071
5044 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5046 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5047 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5048 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5049 cgraph_decide_inlining_incrementally): Update use of
5050 cgraph_check_inline_limits.
5051 * cgraph.c (edge_hash, edge_eq): New function.
5052 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5053 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5054 cgraph_remove_node): Maintain call site hash.
5055 * cgraph.h (struct cgraph_node): Add call_site_hash.
5056 (cgraph_set_call_stmt): New function.
5058 2006-08-20 Jan Hubicka <jh@suse.cz>
5060 PR rtl-optimization/28071
5061 * reload1.c (reg_has_output_reload): Turn into regset.
5062 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5063 choose_reload_regs, emit_reload_insns): Update to new
5064 reg_has_output_reload.
5066 2006-08-20 Jan Hubicka <jh@suse.cz>
5069 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5070 function body sizes.
5071 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5073 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5076 * tree.c (handle_dll_attribute): Return early if not a
5077 var or function decl.
5079 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5082 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5083 alignment of SPE vector types.
5085 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5087 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5089 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5092 * cgraph.h (struct cgraph_node): Remove externally_visible
5094 * cgraphunit.c (process_function_and_variable_attributes): Set
5095 local.externally_visible rather than externally_visible.
5098 * c-common.c (handle_externally_visible_attribute): First look
5099 at TREE_CODE and only if it is function or var decl, check for
5100 non-public objects. Don't warn for DECL_EXTERNAL.
5101 * cgraphunit.c (process_function_and_variable_attributes): Warn
5102 if externally_visible attribute is used on non-public object.
5104 2006-08-17 Jan Hubicka <jh@suse.cz>
5106 PR tree-optimization/27865
5107 * reload1.c (forget_marked_reloads): New function.
5108 (forget_old_reloads_1): When data are passed, just mark the registers
5110 (reload_as_needed): Use the new mechanizm.
5112 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5115 * reload.h (reg_equiv_alt_mem_list): New declaration.
5116 * reload1.c (reg_equiv_alt_mem_list): New definition.
5117 (reload): Initialize it and release it.
5118 (delete_output_reload): Use it.
5119 * reload.c (push_reg_equiv_alt_mem): New function.
5120 (find_reloads_toplev): Call it.
5121 (find_reloads_address, find_reloads_address_1): Likewise.
5122 (find_reloads_subreg_address): Likewise.
5124 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5126 PR rtl-optimization/28489
5127 * sched-ebb.c (begin_schedule_ready): Create basic block
5129 (advance_target_bb): Skip empty blocks.
5130 * haifa-sched.c (bb_note): Make global.
5131 * sched-int.h (bb_note): Add prototype.
5133 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5135 PR tree-optimization/27865
5136 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5138 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5139 fold_used_pointer, pointer_used_p): New functions.
5140 (analyze_scalar_evolution_1): Use fold_used_pointer.
5141 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5142 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5145 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5148 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5149 or the INTEGER_CST. Fail on a CALL_EXPR.
5150 (fold_offsetof): Pass new argument to fold_offsetof_1.
5151 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5152 operand into an INDIRECT_REF.
5153 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5155 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5157 PR gcov/profile/26570
5158 * value-prof.c (static_values): Removed.
5159 (tree_find_values_to_profile): Do not set static_values.
5160 (find_values_to_profile): Do not free static_values.
5161 * profile.c (instrument_values): Do not free the values.
5162 (branch_prob): Free the values.
5164 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5166 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5168 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5171 * c-typeck.c (build_component_ref): Combine qualifiers of
5172 structure or union and field.
5174 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5176 PR rtl-optimization/28071
5177 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5178 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5179 * tree-into-ssa.c (struct dom_dfsnum): New.
5180 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5182 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5183 compute_global_livein.
5184 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5185 in phi nodes in the correct blocks.
5187 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5189 PR tree-optimization/28364
5190 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5192 (fold_affine_expr): New function.
5193 (may_eliminate_iv): Use fold_affine_expr.
5195 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5198 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5201 2006-08-16 Mike Stump <mrs@apple.com>
5203 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5204 * doc/cppopts.texi (-MD): Likewise.
5206 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5209 * c-common.c (handle_weak_attribute): Ignore and warn if
5210 not a FUNCTION_ or VAR_DECL.
5212 2006-07-15 Mike Stump <mrs@apple.com>
5215 * c-parser.c (c_parser_typeof_specifier): Don't use
5216 c_finish_expr_stmt, open code desired semantics instead.
5218 2006-08-15 Nick Clifton <nickc@redhat.com>
5220 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5221 fragment to tmake_file only if threads are enabled.
5222 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5223 * config/i386/t-gthr-win32: New file. ... here.
5225 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5228 * c-parser.c (c_parser_compound_statement_nostart): Reset
5229 parser->error after each statement.
5231 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5234 * omp-low.c (lower_omp_parallel): Convert t to
5235 receiver_decl's type.
5236 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5237 source before comparison.
5240 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5241 to itype in assignment to oldival2.
5243 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5247 * c-typeck.c (build_compound_expr): If the second expression
5248 is an error mark, then just return an error mark instead of
5249 creating a COMPOUND_EXPR.
5251 2006-07-14 Mike Stump <mrs@apple.com>
5253 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5255 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5257 * c-decl.c, var-tracking.c: Fix comment typos.
5259 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5261 PR rtl-optimization/28634
5262 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5263 for floating-point modes unless flag_unsafe_math_optimizations.
5265 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5266 Andrew Pinski <pinskia@physics.uc.edu>
5269 * tree.c (build_array_type): Unify array types with
5270 unspecified index_type.
5271 * c-decl.c (grokdeclarator): Make sure we do not modify a
5272 unified incomplete array type.
5273 * c-typeck.c (store_init_value): Create distinct type before
5274 filling in the index type in an initializer from a compound
5277 * c-decl.c (grokdeclarator): Remove code where we copy the
5280 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5282 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5283 into account for TODO_dump_cgraph.
5284 (TODO_update_ssa_no_phi): Likewise.
5285 (TODO_update_ssa_full_phi): Likewise.
5286 (TODO_update_ssa_only_virtuals): Likewise.
5287 (TODO_remove_unused_locals): Likewise.
5288 (TODO_set_props): Likewise.
5289 (TODO_update_stmt_usage): Likewise.
5291 2006-08-13 Dirk Mueller <dmueller@suse.de>
5293 * c-common.c (strict_aliasing_warning): Fix formatting.
5295 2006-08-13 Matthias Klose <doko@debian.org>
5297 * doc/invoke.texi: Fix spelling errors.
5299 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5301 PR rtl-optimization/23454
5302 * reorg.c (relax_delay_slots): Update comment.
5304 2006-08-11 Richard Guenther <rguenther@suse.de>
5307 * simplify-rtx.c (simplify_const_relational_operation):
5308 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5311 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5313 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5314 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5316 2006-08-10 Paul Brook <paul@codesourcery.com>
5318 * final.c (final_scan_insn): Clear current_insn_predicate before
5319 outputting inline asm.
5321 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5323 PR tree-optimization/26197
5324 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5325 get_ref_base_and_extent and overlap_subvar to add only relevant
5326 subvars as may-aliases.
5327 (add_may_alias_for_new_tag): New function, factored out of
5329 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5330 with additional argument.
5331 * tree-flow.h (new_type_alias): Takes additional argument.
5333 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5335 * gcov.c (no_data_file): New flag.
5336 (read_count_file): Set it if data file not present. Assume counts
5338 (output_lines): Don't name the data file, if there wasn't one.
5340 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5342 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5343 (rs6000_generate_compare): Tweak comments.
5344 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5346 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5348 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5349 (var_debug_decl): New function.
5350 (var_reg_set): Follow debug decl link. Add location even if
5351 reg is already known to hold some other variable.
5352 (var_mem_set): Follow debug decl link.
5353 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5354 decl link. Delete other known locations of the variable part
5356 (var_reg_delete, var_mem_delete): Delete other known locations
5357 of the variable part if requested.
5358 (same_variable_part_p): New function.
5359 (add_stores): Select MO_COPY when appropriate.
5360 (vt_initialize): Handle it.
5361 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5362 known locations for MO_SET and MO_CLOBBER.
5363 (find_variable_location_part): New function.
5364 (set_variable_part, delete_variable_part): Use it.
5365 (clobber_variable_part): New function.
5366 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5369 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5371 PR tree-optimization/26969
5372 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5373 with an empty list of PHIs.
5375 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5379 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5382 2006-08-06 Andreas Schwab <schwab@suse.de>
5384 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5385 string. Whitespace and comment fixup.
5387 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5390 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5394 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5397 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5399 2006-08-04 Jan Hubicka <jh@suse.cz>
5403 * reload.c (push_reload): Patch out the mismatching instruction;
5405 (find_reload): Bail out if the instruction was patched out.
5407 2006-08-04 Jan Hubicka <jh@suse.cz>
5409 PR tree-optimization/24888
5410 * tree-inline.c (expand_call_inline): Do not re-record variables.
5411 (declare_inline_vars): Add variable to unexpanded_var_list.
5413 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5414 Roger Sayle <roger@eyesopen.com>
5416 PR rtl-optimization/26244
5417 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5418 inner_const are negative or greater than or equal to the bitsize of
5419 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5420 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5421 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5422 CONST0_RTX (mode) when the new shift count is greater than or equal to
5423 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5426 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5428 * tree-cfg.c: Fix a comment typo.
5430 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5433 * varasm.c (output_constant): Give the front end another chance to
5434 expand constants, after stripping NOPs.
5436 2006-08-03 Jan Hubicka <jh@suse.cz>
5438 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5441 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5443 PR tree-optimization/27770
5444 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5445 declaration removed (moved to tree-flow.h).
5446 (vect_can_force_dr_alignment_p): Likewise.
5447 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5448 (moved from tree-vectorizer.h).
5449 (vect_can_force_dr_alignment_p): Likewise.
5450 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5451 from outside the vectorizer - in particular from cgraph stage.
5452 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5453 the alignment of global arrays when -fsection-anchors is enabled.
5454 * cgraphunit.c (cgraph_increase_alignment): New function.
5455 (cgraph_optimize): Call cgraph_increase_alignment.
5457 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5460 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5461 not reload a SPE symbol_ref into a lo_sum address.
5463 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5466 * dwarf2out.c (prune_unused_types_prune): Move call to
5467 prune_unused_types_update_strings to cover the parent DIE also.
5469 2006-08-02 Jan Hubicka <jh@suse.cz>
5471 PR gcov/profile/28480
5472 * tree-cfg.c (change_bb_for_stmt): New function.
5473 (tree_merge_blocks, tree_split_blocks): Use it.
5475 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5481 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5482 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5483 (cgraph_optimize): Likewise.
5485 2006-08-01 Stuart Hastings <stuart@apple.com>
5487 * rtl.h (UINTVAL) New.
5488 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5489 * testsuite/gcc.dg/20060801-1.c: New.
5491 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5494 * c-typeck.c (build_external_type): Mark used enum types.
5495 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5497 (gen_subprogram_die): Whitespace fix.
5499 2006-08-01 Jan Hubicka <jh@suse.cz>
5501 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5502 bitmap when not needed.
5503 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5506 2006-08-01 Dirk Mueller <dmueller@suse.de>
5508 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5510 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5512 * Makefile.in: Revert part of previous patch:
5513 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5516 2006-07-30 Eric Christopher <echristo@apple.com>
5519 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5520 (PowerPC Variable Attributes): New section.
5522 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5524 PR target/28126 (partial fix)
5525 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5527 2006-07-28 Jan Hubicka <jh@suse.cz>
5529 PR rtl-optimization/28071
5530 * cfgrtl.c (rtl_delete_block): Free regsets.
5531 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5533 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5535 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5536 and variables used in dependencies.
5538 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5540 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5541 %fs for -mcmodel=kernel.
5542 (stack_tls_protect_test_di): Likewise.
5544 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5546 * Makefile.in: Use mkinstalldirs.
5548 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5551 * opts-common.c (prune_options): Skip joined switches.
5553 2006-07-27 Jan Hubicka <jh@suse.cz>
5555 PR rtl-optimization/28071
5556 * cselib.c (cselib_process_insn): Don't remove useless values too
5557 often for very large hashtables.
5559 2006-07-27 Jan Hubicka <jh@suse.cz>
5561 PR rtl-optimization/28071
5562 * global.c (greg_obstack): New obstack.
5563 (allocate_bb_info): Use it.
5564 (free_bb_info): Likewise.
5565 (modify_reg_pav): Likewise.
5567 2006-07-27 Roger Sayle <roger@eyesopen.com>
5569 * builtins.c (fold_fixed_mathfn): When long and long long are the
5570 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5571 functions to their lceil*, lfloor*, lround* and lrint* forms.
5573 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5576 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5578 (rev_branch_insn): Likewise.
5580 2006-07-27 Jan Hubicka <jh@suse.cz>
5582 PR rtl-optimization/28071
5583 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5584 (reg_set_in_bb, max_reg_computed): New static variables.
5585 (regmove_optimize): Free the new array.
5586 (fixup_match_1): Update call of reg_is_remote_constant_p.
5588 2006-07-26 Jan Hubicka <jh@suse.cz>
5590 PR tree-optimization/27882
5591 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5593 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5595 (cgraph_analyze_compilation_unit): Likewise.
5596 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5597 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5598 (cgraph_early_inlinine): Make order garbage collected.
5599 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5601 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5603 * dbxout.c (output_types_sort): Add a comment.
5604 (output_used_types): Free the VEC.
5606 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5608 * function.c (reorder_fix_fragments): Delete.
5609 (reorder_blocks): Don't call it.
5610 (reorder_blocks_1): Put all subblocks under the origin block.
5612 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5614 PR rtl-optimization/27907
5615 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5618 2006-07-25 Roger Sayle <roger@eyesopen.com>
5621 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5622 bar(x) check that bar's result type can represent all the values of T.
5624 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5626 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5628 2006-07-25 Nick Clifton <nickc@redhat.com>
5630 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5631 size_lookup[] array.
5632 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5633 (ggc_pch_count_object): Likewise.
5634 (ggc_pch_alloc_object): Likewise.
5635 (ggc_pch_write_object): Likewise.
5636 (init_ggc): Do not attempt to initialize entries in the
5637 size_lookup[] array for objects whose size is greater than than
5638 the length of the array.
5640 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5642 * dbxout.c (output_used_types_helper): Push queued types
5644 (output_types_sort): New.
5645 (output_used_types): Collect used types on a VEC and sort them
5648 2006-07-24 Richard Guenther <rguenther@suse.de>
5651 * cgraph.c (cgraph_remove_node): Do not check if dumps
5653 * cgraphunit.c (cgraph_optimize): Likewise.
5655 2006-07-24 Jan Hubicka <jh@suse.cz>
5657 PR rtl-optimization/28071
5658 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5659 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5660 splitting before first stmt.
5662 2006-07-24 Jan Hubicka <jh@suse.cz>
5664 PR rtl-optimization/28071
5665 * ipa-inline.c (update_caller_keys): Remove edges that
5666 are no longer inline candidates.
5668 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5671 * dbxout.c (output_used_types_helper, output_used_types): New.
5672 (dbxout_symbol): Call output_used_types.
5674 2006-07-23 Jan Hubicka <jh@suse.cz>
5678 * cgraph.c (cgraph_varpool_nodes): Export.
5679 (decide_is_variable_needed): Ignored "used" attribute in
5680 unit-at-a-time mode.
5681 * cgraph.h (cgraph_varpool_nodes): Declare.
5682 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5683 unit-at-a-time mode.
5685 2006-07-23 Roger Sayle <roger@eyesopen.com>
5688 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5689 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5690 the __gthrw form of thr_keycreate.
5691 (__gthread_key_delete): Silence the unused argument warning.
5693 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5696 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5697 Cache the last found '\0' marker to avoid quadratic behavior.
5699 2006-07-23 Jan Hubicka <jh@suse.cz>
5701 * i386.md (subsi_3_zext): Fix output template.
5703 2006-07-21 Mike Stump <mrs@apple.com>
5705 * doc/invoke.texi (C++ Dialect Options): Note that
5706 -fvisibility-inlines-hidden doesn't affect explicitly
5707 instantiationed inline methods.
5709 2006-07-20 Roger Sayle <roger@eyesopen.com>
5711 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5712 if the target assembler is GNU binutils' gas.
5713 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5714 whether to pass GNU gas or native as command line options.
5716 2006-07-20 Jason Merrill <jason@redhat.com>
5718 * tree.c (remove_attribute): New fn.
5719 * tree.h: Declare it.
5721 2006-07-20 Paul Brook <paul@codesourcery.com>
5724 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5725 they are invalidated by this instruction.
5727 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5730 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5732 2006-07-20 Eric Christopher <echristo@apple.com>
5735 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5737 2006-07-19 Eric Christopher <echristo@apple.com>
5739 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5740 Rewrite dependencies for libgcc_s.1.dylib.
5742 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5744 * except.c (duplicate_eh_regions_1): Clear next_peer.
5746 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5748 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5749 -mlongcall does not guarantee all calls will be long.
5750 * doc/extend.texi (long_call/short_call): Document that longcall
5751 does not guarantee a long call will be used.
5752 (longcall/shortcall): Likewise.
5754 2006-07-18 Roger Sayle <roger@eyesopen.com>
5757 * expmed.c (expand_shift): Additionally check that the shift_cost
5758 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5759 before implementing a LSHIFT_EXPR as a sequence of additions.
5760 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5761 middle-end that DImode shifts need to be synthesized by expand.
5763 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5766 * tree-ssa-operands.c (access_can_touch_variable): Update
5768 Return true if ALIAS is .GLOBAL_VAR.
5770 2006-07-18 David Daney <ddaney@avtrex.com>
5772 * gcc.c (display_help): Fix typo in help text.
5774 2006-07-18 Olivier Hainque <hainque@adacore.com>
5776 * tree.h (categorize_ctor_elements): Adjust prototype and add
5777 descriptive comment, both in accordance with the interface change
5779 * varasm.c (constructor_static_from_elts_p): New function.
5780 Whether a constructor node is a valid static constant initializer
5781 if all its elements are.
5782 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5783 * output.h: Declare it.
5784 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5785 is a valid constant initializer instead of computing the number of
5786 non-constant elements. Use constructor_static_from_elts_p for this
5787 purpose. Replace the head comment with an indication that this is a
5788 helper for categorize_ctor_elements.
5789 (categorize_ctor_elements): Same interface change as for the _1
5790 helper. Former head comment from this helper moved here, adjusted to
5791 account for the interface changes.
5792 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5793 (all_zeros_p): Likewise.
5794 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5795 static versions of the constructor from the categorize_ctor_elements
5796 return value instead of the formerly computed number of non-constant
5799 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5801 * configure: Regenerate.
5802 * Makefile.in (build_libsubdir): New configure substitution
5803 (build_libobjdir): New variable.
5804 (BUILD_LIBIBERTY): Use it.
5806 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5809 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5811 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5814 * c-common.c (handle_weakref_attribute): Ignore attribute in
5815 the same conditions the alias attribute is ignored.
5817 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5819 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5820 (dbxout_begin_prologue): Increment scope_labelno.
5822 2006-07-17 Richard Henderson <rth@redhat.com>
5825 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5828 2006-07-17 Roger Sayle <roger@eyesopen.com>
5829 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5831 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5832 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5833 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5834 functions such as sbrk, write, etc.. Add function prototypes.
5835 Convert function declarations from K&R to ISO C. Cast pointers
5836 to "long" and "unsigned long" instead of "int" and "unsigned int".
5837 Convert tokens following #endif into comments.
5839 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5841 * invoke.texi: Remove mention of f77; Reformat table for
5842 inline parameter options correctly; mention that -malign-double
5843 is default on x86-64 targets.
5845 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5847 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5848 (convert_affine_scev, chrec_convert_aggressive): Use
5849 avoid_arithmetics_in_type_p. Do not check for the subtypes
5852 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5855 * optabs.c (expand_doubleword_shift): Wrap the call to
5856 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5858 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5861 * optabs.c (expand_binop): Pass next_methods rather than methods
5862 to expand_doubleword_shift.
5864 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5867 * tree.h (dump_addr): Declare.
5868 * print-tree.c (dump_addr): New function.
5869 (print_node_brief, print_node): Use it.
5870 * print-rtl.c (print_rtx): Likewise.
5871 * common.opt (-fdump-noaddr): New option.
5872 * doc/invoke.texi (-fdump-noaddr): Document.
5873 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5874 (ve_info_hash): Likewise.
5876 2006-07-13 Andrew Haley <aph@redhat.com>
5878 PR tree-optimization/19505
5879 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5880 edge leaving this block, make sure that the destination of this
5881 block has only one predecessor.
5883 2006-07-17 Richard Guenther <rguenther@suse.de>
5885 PR tree-optimization/28238
5886 * tree-inline.c (copy_bb): Check if we produced valid
5887 gimple copying and substituting a stmt. If not, gimplify
5890 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5892 * optabs.c (maybe_encapsulate_block): New function extracted from...
5893 (emit_libcall_block): ...here. Invoke it on the block of insns to
5894 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5895 (emit_no_conflict_block): Likewise.
5897 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5899 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5901 2006-07-15 Roger Sayle <roger@eyesopen.com>
5903 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5904 a new NOP_EXPR case of the switch statement.
5906 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5909 * stor-layout.c (place_field): Take the bit field with
5910 an excessive size into account in the ms-bitfiled case.
5913 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5914 the previous bit field.
5916 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5919 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5921 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5923 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5924 signal frames correctly even when the signal was installed with
5927 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5929 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5930 (dbxout_function_end): Use local label LFBB. Remove hook
5932 (dbxout_source_line): Use local label LFBB.
5933 (dbxout_block): Likewise.
5934 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5935 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5936 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5937 and DBX_OUTPUT_NFUN.
5939 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5941 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5943 2006-07-13 Jan Hubicka <jh@suse.cz>
5945 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5947 * output.h (align_variable): Declare.
5948 * varasm.c (align_variable): Export.
5949 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5950 when basic block changed.
5952 2006-07-13 Nick Clifton <nickc@redhat.com>
5954 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5955 walking the LOG_LINKS chain.
5957 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5959 * doc/invoke.texi (C++ Dialect Options): Explain difference
5960 between -fvisibility-inlines-hidden and setting hidden
5961 visibility explicitly.
5963 2006-07-12 Eric Christopher <echristo@apple.com>
5965 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5966 (stmp-lipo): Depend on libgcc.a.
5968 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5970 * tree.c: Fix a comment typo.
5972 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5974 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5976 (umulhisi3_r): Likewise.
5978 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5981 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5982 x < 19, vs wchar_t support.
5984 2006-07-12 Nick Clifton <nickc@redhat.com>
5986 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5987 instead of -isa=sh4.
5989 2006-07-12 Mike Stump <mrs@apple.com>
5991 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5993 2006-07-10 Eric Christopher <echristo@apple.com>
5995 * config/t-slibgcc-darwin: Rewrite.
5997 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6000 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6003 2006-07-08 Matthias Klose <doko@debian.org>
6005 * doc/sourcebuild.texi: Fix typo.
6007 2006-07-07 Mike Stump <mrs@apple.com>
6009 * toplev.c (process_options): Don't give -ffunction-sections may
6010 affect debugging warning for Mach-O.
6012 2006-07-07 James E Wilson <wilson@specifix.com>
6014 * config/mips/mips.md (cpu): Add sb1a.
6015 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6016 addition to sb1. Adjust comments to clarify SB-1A differences from
6018 (ir_sb1a_load): New. Modify bypasses to use it.
6019 (ir_sb1a_simple_alu): Likewise.
6020 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6021 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6022 (mips_issue_rate): Add PROCESSOR_SB1A.
6023 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6024 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6025 (TARGET_SB1): Add PROCESSOR_SB1A check.
6026 (TUNE_SB1): Likewise.
6028 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6029 * config/mips/mips.c (mips_store_data_bypass_p): New.
6030 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6031 store_data_bypass_p.
6033 2006-07-08 Paul Brook <paul@codesourcery.com>
6036 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6038 2006-07-07 Richard Guenther <rguenther@suse.de>
6041 * tree.h (build_one_cst): Declare.
6042 * tree.c (build_one_cst): New function.
6043 * tree-ssa-math-opts.c (get_constant_one): Remove.
6044 (insert_reciprocals): Use build_one_cst.
6045 * fold-const.c (fold_plusminus_mult): Likewise.
6047 2006-07-07 Roger Sayle <roger@eyesopen.com>
6049 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6050 * cfgloopanal.c (dump_graph): Likewise.
6051 * dojump.c (discard_pending_stack_adjust): Likewise.
6052 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6054 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6055 * function.c (finalize_block_changes): Likewise.
6056 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6057 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6058 * rtl.c (dump_rtx_statistics): Likewise.
6059 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6061 * varray.c (dump_varray_statistics): Likewise.
6062 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6063 decode_decimal64, encode_decimal128, decode_decimal128,
6064 decimal_real_to_decimal): Likewise.
6066 2006-07-07 Richard Guenther <rguenther@suse.de>
6068 PR tree-optimization/28187
6069 * tree-vrp.c (vrp_operand_equal_p): New function.
6070 (vrp_bitmap_equal_p): Likewise.
6071 (update_value_range): Use them to compare old and new
6074 2006-07-06 Roger Sayle <roger@eyesopen.com>
6076 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6077 a default case to switch statement to silence compiler warnings.
6079 2006-07-06 Roger Sayle <roger@eyesopen.com>
6082 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6083 the configured assembler supports the x87's ffreep mnemonic.
6084 * configure: Regenerate.
6085 * config.in: Regenerate.
6087 * config/i386/i386.c (output_387_ffreep): New function.
6088 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6089 (output_387_reg_move): Likewise.
6091 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6093 Port to hosts whose 'sort' and 'tail' implementations
6094 treat operands with leading '+' as file names, as POSIX
6095 has required since 2001. However, make sure the code still
6096 works on pre-POSIX hosts.
6097 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6098 which says you should use "tail -c +N" rather than "tail +Nc".
6099 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6101 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6103 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6106 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6109 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6110 PRE_{INC,DEC} of TFmode.
6112 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6113 Alan Modra <amodra@bigpond.net.au>
6116 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6119 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6122 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6123 Remove duplicate gtu.
6125 2006-07-05 Jason Merrill <jason@redhat.com>
6129 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6130 * c-common.c (handle_packed_attribute): So don't copy it here.
6131 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6133 2006-07-05 Mike Stump <mrs@apple.com>
6135 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6137 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6140 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6142 2006-07-05 Richard Guenther <rguenther@suse.de>
6145 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6146 TARGET_SSE2 targets if using SSE math.
6147 (*absdf2_1): Likewise.
6149 2006-07-05 Richard Guenther <rguenther@suse.de>
6151 PR tree-optimization/28162
6152 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6153 make sure to convert the operands to the correct type.
6155 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6157 PR tree-optimization/28218
6159 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6160 to calculate and free the dominator information.
6162 2006-07-04 Peter O'Gorman <peter@pogma.com>
6164 * mklibgcc.in: chmod 644 before ranlib during install.
6166 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6167 J"orn Rennecke <joern.rennecke@st.com>
6169 * configure.ac (.eh_frame data check): Use diff -b.
6171 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6174 * Makefile.in (BUILD_RTL): Add build/vec.o.
6175 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6176 (build/genextract): Delete.
6177 (build/genautomata): Likewise.
6179 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6182 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6183 128-bit IBM long doubles for ABI_V4.
6185 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6187 * tree.c (range_in_array_bounds_p): New predicate.
6188 * tree.h (range_in_array_bounds_p): Declare it.
6189 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6190 return a less conservative answer.
6191 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6192 and flag 'is_group'.
6193 (IS_ELEMENT_FOR_GROUP): New macro.
6194 (FOR_EACH_ACTUAL_CHILD): Likewise.
6195 (next_child_for_group): New helper function.
6196 (can_completely_scalarize_p): Take into account groups.
6197 (sra_hash_tree): Handle RANGE_EXPR.
6198 (sra_elt_eq): Likewise.
6199 (lookup_element): Be prepared for handling groups.
6200 (is_valid_const_index): Delete.
6201 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6202 instead of is_valid_const_index.
6203 <ARRAY_RANGE_REF>: New case.
6204 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6205 is_valid_const_index.
6206 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6207 (scan_dump): Dump info for groups too.
6208 (decide_instantiation_1): Likewise.
6209 (decide_block_copy): Assert that the element is not a group.
6210 Propagate decision to groups.
6211 (generate_one_element_ref): Handle RANGE_EXPR.
6212 (mark_no_warning): Iterate over actual childs.
6213 (generate_copy_inout): Likewise.
6214 (generate_element_copy): Likewise.
6215 (generate_element_zero): Likewise.
6216 (generate_element_init_1): Likewise.
6217 (dump_sra_elt_name): Handle RANGE_EXPR.
6219 2006-07-03 Roger Sayle <roger@eyesopen.com>
6221 PR tree-optimization/26251
6222 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6223 (thread_block): When optimizing for size refuse to thread jumps
6224 that would require duplication of blocks other than redirection
6227 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6229 * configure.ac: Fix thinko in previous check-in.
6230 * configure: Regenerate.
6232 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6235 * configure.ac (for lang...): Simplify nesting of conditionals.
6236 Test subdir_requires for non-enabled languages. Move processing
6237 of lang_opt_files and lang_tree_fiels below that test.
6238 * configure: Regenerate.
6239 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6241 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6243 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6245 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6247 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6250 2006-06-29 Jason Merrill <jason@redhat.com>
6257 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6258 * c-common.c (c_determine_visibility): Handle it here.
6259 * c-decl.c (finish_decl): Call c_determine_visibility for
6261 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6263 * varasm.c (default_assemble_visibility): Likewise.
6264 * c-common.c (handle_visibility_attribute): Complain about trying
6265 to give visibility to an already defined class, or trying to change
6266 declared visibility. Always attach the attribute.
6271 * attribs.c (decl_attributes): Ignore type-in-place attributes
6272 once the type has been defined.
6274 2006-06-29 Roger Sayle <roger@eyesopen.com>
6277 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6278 to indicate the cpplib has issued an error message for us.
6280 2006-06-29 Asher Langton <langton2@llnl.gov>
6283 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6284 insert a label at the end of an function under Mach-O.
6286 2006-06-29 Eric Christopher <echristo@apple.com>
6287 Evan Cheng <evan.cheng@apple.com>
6289 * predicates.md (vector_all_ones_operand): New.
6290 (nonimmediate_or_sse_const_operand): Ditto.
6291 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6292 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6293 (standard_sse_mode_p): Ditto.
6294 (standard_sse_constant_p): Add case for -1 vector.
6295 (ix86_expand_vector_move): Try to use.
6296 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6297 Call standard_sse_constant_opcode.
6298 (*movv4sf_internal): Ditto.
6299 (*movv2df_internal): Ditto.
6301 2006-06-29 Roger Sayle <roger@eyesopen.com>
6303 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6304 of XEXP to extract the operands of a MATCH_CODE rtx.
6306 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6308 * tree.c (tree_size): Do not waste tail padding in
6309 struct tree_string and make the size be the same as
6310 build_string will generate.
6312 2006-06-28 Jason Merrill <jason@redhat.com>
6315 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6316 may_aliases already in the tag's annotations to the bitmap.
6318 2006-06-28 Roger Sayle <roger@eyesopen.com>
6320 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6322 2006-06-28 Roger Sayle <roger@eyesopen.com>
6324 * genpreds.c (generate_switch_p): New function.
6325 (add_mode_tests): Push the new mode test down inside an AND expr
6326 if this allows the switch-suitable MATCH_CODE to be near the root.
6327 (write_match_code_switch): New function to write a MATCH_CODE as
6329 (write_predicate_stmts): New function to write a predicate RTX
6330 expression as a sequence of statements.
6331 (write_one_predicate_function): Use write_predicate_stmts.
6332 (write_tm_constrs_h): Likewise.
6334 2006-06-26 Fred Fish <fnf@specifix.com>
6336 * config/mips/t-sb1: New file.
6337 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6340 2006-06-26 DJ Delorie <dj@redhat.com>
6342 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6344 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6345 Jayant Sonar <jayants@kpitcummins.com>
6346 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6348 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6349 (subsi3, subsi3_1, subsi3_2): New.
6350 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6351 * config/m32c/mov.md (SI mov peephole): New.
6352 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6353 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6355 2006-06-26 Olivier Hainque <hainque@adacore.com>
6357 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6358 a CALL_EXPR target function declaration.
6360 2006-06-26 Richard Guenther <rguenther@suse.de>
6362 * tree.c (build_string): Do not waste tail padding in
6365 2006-06-26 Richard Guenther <rguenther@suse.de>
6367 * ggc-page.c (init_ggc): Add missing element to size_lookup
6371 2006-06-23 Richard Guenther <rguenther@suse.de>
6373 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6374 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6375 alignment requests instead. Add verification code.
6376 Add struct tree_function_decl and struct tree_binfo size to
6377 extra_order_size_table. Add missing element to size_lookup
6380 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6383 * fold-const.c (const_binop): Be prepared for self returning zero.
6384 Simplify code handling complex values.
6386 2006-06-24 Olivier Hainque <hainque@adacore.com>
6388 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6389 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6392 2006-06-24 Olivier Hainque <hainque@adacore.com>
6394 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6395 ARRAY_REF, so have the callback called for the low bound expression.
6397 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6399 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6400 * c-typeck.c (c_common_type): Disallow operations on decimal float
6401 types and other float types.
6402 * convert.c (convert_to_real): Don't ignore conversions involving
6403 decimal float types.
6405 2006-06-23 Olivier Hainque <hainque@adacore.com>
6407 * tree.c (max_int_size_in_bytes): New function, inspired from
6408 code in function.c:assign_temp.
6409 * tree.h (max_int_size_in_bytes): Declare.
6410 * function.c (assign_temp): Use it.
6411 * gimplify.c (create_tmp_var): Relax the assertions on the type
6412 properties, not mandating constant size any more.
6413 (force_constant_size): New static function.
6414 (gimple_add_tmp_var): Use it, forcing variable size to a
6415 constant upper bound if it is not constant on entry.
6417 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6420 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6421 for initialization and setting of one_only flag to ...
6422 (i386_pe_encode_section_info): ...here.
6423 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6424 Recheck that the symbol has not been defined.
6426 2006-06-23 Richard Guenther <rguenther@suse.de>
6428 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6429 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6430 alignment requests instead. Add verification code.
6431 Add struct tree_function_decl and struct tree_binfo size to
6432 extra_order_size_table. Add missing element to size_lookup
6435 2006-06-22 Roger Sayle <roger@eyesopen.com>
6436 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6439 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6440 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6442 2006-06-23 Ben Elliston <bje@au.ibm.com>
6444 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6445 negate dn -- manipulate it directly.
6447 2006-06-22 Roger Sayle <roger@eyesopen.com>
6448 Steven Bosscher <stevenb.gcc@gmail.com>
6451 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6452 generated by gen_move_insn to add REG_LABEL notes if necessary.
6454 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6456 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6457 (leaf_entry): Remove use of MIN_ESA.
6459 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6461 PR rtl-optimization/28121
6462 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6465 2006-06-21 DJ Delorie <dj@redhat.com>
6467 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6469 (mulhisi3_r): Likewise.
6471 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6474 * coverage.c (coverage_counter_alloc): Leave the index type
6476 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6479 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6481 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6482 section from the "Options for Code Generation Conventions".
6484 2006-06-21 Richard Henderson <rth@redhat.com>
6488 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6490 (global_symbolic_operand): Allow weak symbols, even if local_p.
6492 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6494 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6495 (find_interesting_uses_address): Punt if above function returns true.
6497 2006-06-21 Richard Guenther <rguenther@suse.de>
6499 * configure: Regenerated.
6501 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6503 * config/mips/mips.c (function_arg): Where one part of a
6504 complex argument is in registers and the other part in the stack,
6505 return a REG not a PARALLEL.
6507 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6509 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6510 when cross-compiling. Do not substitute libstdcxx_incdir.
6511 * configure: Regenerated.
6513 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6515 * varasm.c (mergeable_string_section): Check for embedded NULs and
6516 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6517 rather than TREE_STRING_LENGTH bytes.
6519 2006-06-21 Richard Guenther <rguenther@suse.de>
6521 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6522 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6525 2006-06-21 Richrad Guenther <rguenther@suse.de>
6527 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6528 Limit iteration over the dominators.
6530 2006-06-20 Roger Sayle <roger@eyesopen.com>
6532 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6533 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6535 2006-06-20 Richard Guenther <rguenther@suse.de>
6536 Michael Matz <matz@suse.de>
6538 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6540 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6541 * et-forest.h (et_free_pools): Prototype new function.
6542 * et-forest.c (et_free_tree_force): Free parent occurrence.
6543 (et_free_pools): New function.
6544 * dominance.c (free_dominance_info): Free et-forest alloc
6547 2006-06-20 Roger Sayle <roger@eyesopen.com>
6549 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6550 integer modes, attempt to directly construct an integer constant.
6552 * fold-const.c (native_encode_vector): Determine the size of each
6553 element from the vector type instead of the first vector element.
6555 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6556 if all of its elements/components are constant.
6557 (build_constructor_from_list): Likewise.
6559 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6561 PR tree-optimization/27331
6562 * tree-data-ref.c (free_data_ref): New function.
6563 (create_data_ref): Fail if the data reference has unknown access
6565 (free_data_refs): Use free_data_ref.
6567 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6570 * tree-inline.c (setup_one_parameter): Strip useless
6571 type conversion before adding it to the IR.
6572 (declare_return_variable): Likewise.
6574 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6577 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6579 2006-06-19 Mike Stump <mrs@apple.com>
6581 * tree.c (variably_modified_type_p): VM arguments don't make the
6584 2006-06-19 Richard Guenther <rguenther@suse.de>
6586 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6587 type conversions after folding.
6589 2006-06-19 Richard Guenther <rguenther@suse.de>
6591 * ggc-page.c (extra_order_size_tab): Add entries with
6592 size of struct function and basic_block.
6593 (size_lookup): Extend to cover sizes up to 511.
6594 (ggc_alloc_stat): Adjust user.
6595 (ggc_pch_count_object): Likewise.
6596 (ggc_pch_alloc_object): Likewise.
6597 (ggc_pch_write_object): Likewise.
6599 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6601 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6602 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6605 2006-06-19 Denis Chertykov <denisc@overta.ru>
6607 * config/avr/libgcc.S : Correct my wrong previous commit.
6609 2006-06-19 Roger Sayle <roger@eyesopen.com>
6612 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6613 have stripped a SUBREG from the shift count, so we may need to
6614 convert_to_mode back to the type's mode before calling make_tree.
6615 Use new_amount instead of amount to avoid expanding a tree twice.
6617 2006-06-19 Richard Guenther <rguenther@suse.de>
6620 * fold-const.c (operand_equal_p): Check if the argument types
6621 have the same precision before stripping NOPs.
6623 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6625 Fix PR tree-optimization/27341
6626 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6628 * tree-complex.c (pass_lower_complex): Update SMT usage.
6630 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6632 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6633 Add a new alternative to the constraint strings. Add move of
6634 operand 1 to 3 to the splitter definition.
6635 ("doloop_si_long"): Second contraint alternative removed.
6637 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6639 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6640 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6642 (AVR_HAVE_MOVW) Define.
6643 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6644 (ASM_SPEC): Add avr25.
6645 (LINK_SPEC): Add avr25.
6646 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6647 (base_arch_s): Add new member 'have_movw_lpmx'.
6648 (avr_arch_types): Init 'have_movw_lpmx'.
6649 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6650 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6651 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6652 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6653 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6655 (avr_file_start): Do not output '.arh' derective.
6656 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6657 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6658 * config/avr/avr.md (mcu_enhanced): Delete.
6659 (mcu_have_movw): Define.
6660 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6661 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6662 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6663 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6664 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6665 attiny861 and at86rf401 devices.
6667 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6669 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6672 2006-06-17 Karl Berry <karl@gnu.org>
6674 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6675 doc/gccint.texi, doc/install.texi (@dircategory): Use
6676 "Software development" instead of "Programming", following
6677 the Free Software Directory.
6679 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6681 * config/i386/i386.c (legitimate_tls_address)
6682 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6683 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6684 (*tls_dynamic_gnu2_combine_64): Likewise.
6686 2006-06-16 Richard Guenther <rguenther@suse.de>
6689 * fold-const.c (negate_expr_p): Do not introduce undefined
6690 overflow in negating INTEGER_CSTs.
6691 (fold_negate_expr): Rename from negate_expr. Revert last
6692 change for folding BIT_NOT_EXPR. Change semantics to
6693 return NULL_TREE for non-simplified negations. Do not
6694 strip type conversions and unify type handling.
6695 (negate_expr): New function, wrap around fold_negate_expr
6696 but ensure building a tree always. Strip type conversions
6697 here, fold to result type.
6698 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6700 2006-06-16 Roger Sayle <roger@eyesopen.com>
6703 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6704 that (would) return their results in stack registers.
6706 2006-06-16 Michael Matz <matz@suse.de>
6707 Richard Guenther <rguenther@suse.de>
6709 * fold-const.c (fold_truthop): Only return new tree node if
6710 we canonicalized something.
6712 2006-06-16 Richard Guenther <rguenther@suse.de>
6714 * function.h (enum function_frequency): Move declaration
6715 out of struct function.
6716 (struct function): Move bool fields and the enum to the bitfield
6717 section. Reorder elements to avoid padding. Remove unused
6718 fields left over from the RTL inliner removal.
6719 * function.c (free_after_compilation): Do not zero removed fields.
6720 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6721 (ipa-type-escape.o): Likewise.
6723 2006-06-16 Richard Guenther <rguenther@suse.de>
6725 * cgraph.h (struct cgraph_local_info): Turn bool elements
6727 (struct cgraph_node): Likewise.
6728 (struct cgraph_varpool_node): Likewise.
6730 2006-06-15 Richard Guenther <rguenther@suse.de>
6732 * fold-const.c (fold_truth_not_expr): Rename from
6733 invert_truthvalue. Give it fold_* semantics to avoid
6735 (invert_truthvalue): New function. Wrapper around
6736 fold_truth_not_expr.
6737 (optimize_minmax_comparison): Avoid creating garbage.
6738 (fold_unary): Use fold_truth_not_expr for folding
6740 (fold_ternary): Replace uses of invert_truthvalue with
6741 fold_truth_not_expr where applicable.
6742 * tree.h (fold_truth_not_expr): Prototype.
6744 2006-06-16 Richard Guenther <rguenther@suse.de>
6746 PR tree-optimization/27781
6747 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6748 * ipa-pure-const.c (target.h): Include.
6749 (analyze_function): Do not analyze functions that do not
6752 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6755 * tree-dfa.c (referenced_vars_dup_list): Remove.
6756 (find_referenced_vars): Remove assert.
6757 (referenced_var_check_and_insert): Replace dup list with assert.
6758 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6759 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6761 2006-06-15 Richard Guenther <rguenther@suse.de>
6763 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6764 extra unused identifiers if not dumping.
6765 (create_variable_info_for): Likewise.
6767 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6769 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6770 (derive_constant_upper_bound): Derive more precise upper bound in
6771 common cases. Return type changed to double_int.
6772 (record_estimate): Reflect the changed return type of
6773 derive_constant_upper_bound.
6774 * double-int.c (double_int_zext, double_int_sext): Fix.
6776 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6778 * configure.ac (CFLAGS): Get them from the toplevel or from the
6779 configure invocation.
6780 * configure: Regenerate.
6781 * Makefile.in (CFLAGS): Substitute value provided by configure.
6783 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6786 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6787 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6788 rather than calling add_stmt on it.
6789 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6791 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6794 * reload1.c (reload): Remove registers returned by update_eliminables
6795 from used_spill_regs.
6797 2006-06-13 DJ Delorie <dj@redhat.com>
6799 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6801 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6803 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6804 html__strip_dir, html__mkdir_p. Enhance install-html target.
6805 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6806 * configure: Regenerate.
6808 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6810 * fold-const.c (fold_cond_expr_with_comparison): Check for
6811 Objective-C++ as language in deciding COND_EXPR transformation.
6813 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6816 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6817 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6818 * config/sh/lib1funcs.h (SL, SL1): Define.
6819 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6820 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6821 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6822 (OBJS_Os_4_200): New variable.
6823 ($(T)libgcc-Os-4-200.a): Use it.
6824 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6825 when dividing 1 and/or by 0.
6827 2006-06-13 Roger Sayle <roger@eyesopen.com>
6829 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6830 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6831 * configure: Regenerate.
6833 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6835 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6836 for real instruction.
6838 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6841 * haifa-sched.c (check_cfg): Handle special case.
6843 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6846 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6847 Add debug_info parameter. Chain the vars to the BLOCK instead
6848 of the BIND_EXPR if debug info are requested for them.
6849 (pop_gimplify_context): Adjust for above change.
6850 (gimple_add_tmp_var): Likewise.
6851 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6853 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6854 (convert_local_reference): Likewise.
6855 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6856 (finalize_nesting_tree_1): Request that debug info be emitted
6857 for debug_var_chain.
6859 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6861 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6862 for PR target/27863.
6864 2006-06-13 Richard Guenther <rguenther@suse.de>
6867 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6869 2006-06-13 Richard Guenther <rguenther@suse.de>
6871 PR tree-optimization/27830
6872 * tree-inline.c (copy_body_r): For copying the operand
6873 of an ADDR_EXPR make sure to fold &* afterwards.
6875 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6877 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6878 lvalues in the fb_none case with side-effects.
6880 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6882 * tree-flow.h: Remove the prototype for
6883 compute_phi_arg_on_exit.
6884 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6885 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6888 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6890 * builtins.c (expand_builtin_return_addr): Only use
6891 frame_pointer_rtx when count == 0 and we are expanding
6892 __builtin_return_address.
6894 2006-06-12 Fred Fish <fnf@specifix.com>
6896 * config/mips/mips.c (mips_file_start): Create special section
6897 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6899 2006-06-11 Eric Christopher <echristo@apple.com>
6902 * stor-layout.c (place_field): Remove check for
6903 remaining_in_alignment when aligning at the end of a run.
6905 2006-06-11 Eric Christopher <echristo@apple.com>
6908 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6911 2006-06-11 Roger Sayle <roger@eyesopen.com>
6914 Revert incorrect fix for PR target/27158
6915 2006-05-08 Roger Sayle <roger@eyesopen.com>
6916 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6917 of a reg_equiv_constant if the result is a legitimate constant.
6919 2006-06-11 Roger Sayle <roger@eyesopen.com>
6922 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6923 extract a CONST_VECTOR element and interpret it as an integer.
6924 (vspltis_constant): Use const_vector_elt_as_int instead of the
6925 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6926 * config/rs6000/predicates.md (easy_vector_const): Consider
6927 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6929 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6932 * stor-layout.c (update_alignment_for_field): Don't add extra
6933 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6936 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6938 * config/mips/t-rtems: Add EL/EB multilib variants.
6940 2006-06-09 Mike Stump <mrs@apple.com>
6942 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6944 2006-06-09 David Daney <ddaney@avtrex.com>
6946 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6948 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6950 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6952 2006-06-09 Richard Guenther <rguenther@suse.de>
6954 PR tree-optimization/26998
6955 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6956 of signed types, only TYPE_MIN_VALUE is special, but for both,
6957 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6958 in this case, as is -fwrapv.
6960 2006-06-08 Mike Stump <mrs@apple.com>
6963 * config/darwin.c (darwin_asm_output_anchor): Disable
6964 -fsection-anchors on darwin for now.
6965 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6966 * rs6000/rs6000.c (optimization_options): Likewise.
6968 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6971 * config/i386/i386.c (classify_argument): Skip fields with invalid
6974 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6976 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6977 (cse_insn): Likewise for the stack_pointer_rtx.
6979 2006-06-08 Roger Sayle <roger@eyesopen.com>
6981 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6982 conditions from floating point comparisons.
6984 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6987 * expmed.c (struct alg_hash_entry): Fix type of field T
6988 to match synth_mult argument.
6989 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6991 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6994 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6997 2006-06-08 Richard Guenther <rguenther@suse.de>
7000 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7001 only, if overflow is defined and not trapping.
7002 (negate_expr): Likewise.
7004 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7006 PR tree-optimization/27872
7007 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7008 flag on the new exit edge of the unrolled loop.
7010 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7012 PR rtl-optimization/26449
7013 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7015 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7018 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7019 referenced_variables with matching DECL_UID's.
7020 (find_referenced_vars): Make sure duplicate list is empty to start.
7021 (referenced_var_p): Remove.
7022 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7023 Check if var is in the list, and add if needed. Update the duplicate
7024 list if a different var is in the list with the same DECL_UID.
7025 (add_referenced_var): Call routine to check and insert.
7026 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7027 * tree-flow.h (referenced_vars_dup_list): External declaration.
7029 2006-06-07 Fred Fish <fnf@specifix.com>
7031 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7034 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7037 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7038 the imaginary and real parts of a clobbered register.
7039 Emit insn to set the imaginary part.
7041 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7043 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7044 in lieu of unwind-dw2-fde.c.
7046 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7048 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7050 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7053 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7054 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7055 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7056 V4SImode temporaries and operations instead.
7058 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7060 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7063 2006-06-06 Mike Stump <mrs@apple.com>
7065 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7066 installing during build.
7068 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7070 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7072 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7073 * config/ia64/ia64.c (params.h): New header.
7074 (ia64_optimization_options): New function to adjust parameters.
7075 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7076 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7077 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7079 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7081 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7083 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7086 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7088 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7089 Victor Kaplansky <victork@il.ibm.com>
7091 PR tree-optimization/26360
7092 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7095 2006-06-04 Roger Sayle <roger@eyesopen.com>
7096 Andrew Pinski <pinskia@physics.uc.edu>
7099 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7100 for LABEL_DECL before calling DECL_WEAK.
7103 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7104 LABEL_DECL and PARM_DECL.
7106 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7110 * c-decl.c (grokdeclarator): Disallow variably modified types at
7111 file scope. Avoid marking shared array type of constant size as
7114 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7117 * c-common.c (fold_offsetof_1): Handle static members.
7119 2006-06-04 Eric Christopher <echristo@apple.com>
7121 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7122 (debug_rli): Output value for remaining_in_alignment.
7123 (update_alignment_for_field): Unconditionalize
7124 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7125 extra alignment code.
7126 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7127 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7128 * tree.h (record_layout_info_s): Remove prev_packed.
7129 * doc/extend.texi (ms_struct): Add documentation of format.
7131 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7133 * tree.h: Declare folding_initializer.
7134 * builtins.c (fold_builtin_constant_p): Give definite answer
7135 if folding inside an initializer.
7136 * fold-const.c: Define folding_initializer.
7137 (START_FOLD_INIT): Save and then set folding_initializer.
7138 (END_FOLD_INIT): Restore folding_initializer.
7140 2006-06-04 Richard Guenther <rguenther@suse.de>
7142 PR tree-optimization/27039
7143 * fold-const.c (fold_comparison): Handle pointer comparison
7144 again for all comparison codes. Compare offsets in signed
7146 (fold_binary): Move code from here.
7148 2006-06-03 Roger Sayle <roger@eyesopen.com>
7151 * config/i386/i386.c (construct_container): Split static issued_error
7152 flag into issued_sse_arg_error, issued_sse_ret_error and
7153 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7154 requires the use of x87 registers and the user explicitly
7155 specified the -mno-80387 command line option.
7157 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7159 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7160 HAVE_DECL_SIGALTSTACK.
7162 (segv_handler): Use MC_FLD.
7163 * configure.ac: Check for a sigaltstack declaration.
7164 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7165 * configure: Regenerate.
7166 * config.in: Regenerate.
7168 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7171 * Makefile.in (stmp-fixinc): Fix typo.
7173 2006-06-02 Roger Sayle <roger@eyesopen.com>
7175 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7176 are type correct. Clean-up.
7177 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7178 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7180 2006-06-01 DJ Delorie <dj@redhat.com>
7182 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7183 shift, as we've disabled the "switch" insn that needs it.
7185 2006-06-01 Per Bothner <bothner@bothner.com>
7187 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7188 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7189 * c-ppoutput.c (cb_define): Don't increment line 0.
7191 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7193 * doc/invoke.texi: Add cpu_type power6.
7194 * config.gcc: Add cpu_type power6.
7195 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7196 to power5+ with Altivec.
7197 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7198 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7200 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7202 * config/avr/avr.h (SET_ASM_OP): Define.
7204 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7206 * config/bfin/bfin.c: Fix comment typos.
7208 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7211 * doc/install.texi: Document --enable-bootstrap and
7212 --disable-bootstrap.
7214 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7216 * doc/install.texi: Document that InfoZIP can replace jar.
7218 2006-05-31 Roger Sayle <roger@eyesopen.com>
7220 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7221 isn't available, directly generate the simpler x87 patterns without
7222 the (use (const_int 0)).
7223 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7224 implementation isn't available.
7225 (*negdf2_1): Likewise.
7226 (*negxf2_1): XF mode negation is always done using the x87.
7227 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7229 2006-05-31 Roger Sayle <roger@eyesopen.com>
7231 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7232 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7234 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7236 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7238 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7239 * config/bfin/bfin.c (basic-block.h): Include.
7240 (struct machine_function): New.
7241 (bfin_init_machine_status): New.
7242 (override_options): Initialize init_machine_status.
7243 (bfin_hardware_loop): New.
7244 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7245 (DEF_VEC_P (loop_info)): New.
7246 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7247 (struct loop_info): New.
7248 (loop_info): New typedef.
7249 (struct loop_work): New.
7250 (loop_work): New typedef.
7251 (DEF_VEC_O (loop_work)): New.
7252 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7253 (bfin_dump_loops): New.
7254 (bfin_bb_in_loop): New.
7255 (bfin_scan_loop): New.
7256 (bfin_optimize_loop): New.
7257 (bfin_reorg_loops): New.
7258 (bfin_reorg): Use bfin_reorg_loops.
7259 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7261 (I_REGNO_P): Simplify.
7262 (DP_REGNO_P, DPREG_P): New macros.
7263 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7264 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7265 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7266 Add LT_REGS, LC_REGS, LB_REGS.
7267 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7269 (REGNO_REG_CLASS): Deal with loop registers.
7270 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7272 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7273 New constants for loop registers.
7274 (UNSPEC_LSETUP_END): New.
7275 (seq_insns): New define_attr. Set it for appropriate insns.
7276 (movsi_insn): Add alternatives for move from/to
7277 loop count registers.
7278 (doloop_end): New define_expand.
7279 (loop_end): New define_insn.
7280 (define_split for bad doloop_end): New.
7281 (lsetup_with_autoinit): New define_insn.
7282 (lsetup_without_autoinit): New define_insn.
7283 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7284 * config/bfin/predicates.md (lc_register_operand): New.
7285 (lt_register_operand): New.
7286 (lb_register_operand): New.
7287 (nondp_register_operand): New.
7288 (nondp_reg_or_memory_operand): New.
7289 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7291 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7293 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7294 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7296 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7298 * Makefile.in (CATALOGS): Add po/ prefix.
7299 * configure: Regenerated.
7301 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7304 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7305 a shift operand before calling shift_op. Avoid redundant call of
7308 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7309 DJ Delorie <dj@redhat.com>
7311 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7312 we're inserting is a singlt-bit constant.
7314 2006-05-30 Roger Sayle <roger@eyesopen.com>
7316 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7317 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7319 2006-05-30 Roger Sayle <roger@eyesopen.com>
7321 PR tree-optimization/23452
7322 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7323 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7324 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7325 complex values and with -ffast-math for FP complex values.
7327 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7329 * c-common.h: Remove the prototype for yyparse.
7330 * rtl.h: Remove the prototype for init_loop.
7332 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7334 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7337 2006-05-30 Roger Sayle <roger@eyesopen.com>
7339 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7341 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7342 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7344 2006-05-30 Dirk Mueller <dmueller@suse.de>
7347 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7348 for CONSTANT_CLASS_P expresisons.
7350 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7353 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7355 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7357 PR tree-optimization/27779
7358 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7359 initial_condition instead of CHREC_LEFT.
7361 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7363 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7364 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7365 Make prototypes ISO C90.
7367 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7368 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7370 * see.c (see_analyze_one_def): Correct check.
7371 (see_get_extension_data): Check if extension is parallel.
7372 (see_get_extension_reg): Likewise.
7374 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7377 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7378 into register for (code == GTU).
7380 2006-05-29 Roger Sayle <roger@eyesopen.com>
7382 PR tree-optimization/24964
7383 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7384 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7385 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7386 abs(x)*abs(x) as x*x for scalar floating point modes.
7388 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7391 * lambda-code.c (perfect_nestify): Don't copy statements
7392 in the inner loop: move them to the inner loop header.
7394 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7397 * c-tree.texi: Document OpenMP directives and clauses.
7399 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7401 * varasm.c (globalize_decl): Fix indentation.
7403 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7406 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7407 pass_fre, pass_store_ccp, pass_copy_prop,
7408 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7409 pass_return_slot, pass_object_size, pass_lim,
7410 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7411 pass_loop_prefetch and pass_stdarg.
7413 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7415 * config/bfin/bfin.opt (mfdpic): New option.
7416 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7417 (EXTRA_MULTILIB_PARTS): Likewise.
7418 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7419 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7421 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7422 (CRT_CALL_STATIC_FUNCTION): New.
7423 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7425 (CRT_CALL_STATIC_FUNCTION): New.
7426 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7428 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7429 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7430 (initialize_trampoline): Changed to handle FD-PIC code generation.
7431 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7432 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7433 (override_options): Disallow -mid-shared-library -mfdpic combination.
7434 Can't do unaligned ops if FD-PIC.
7435 Turn off flag_pic if trying to generate non-id-shared-library
7436 non-fdpic code, since it's not supported.
7437 (bfin_assemble_integer): New function.
7438 (TARGET_ASM_INTEGER): Define.
7439 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7441 * config/bfin/crtn.s: Restore them.
7442 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7444 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7445 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7446 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7447 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7448 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7450 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7451 FDPIC_REGS and FDPIC_FPTR_REGS.
7452 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7453 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7454 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7455 (load_funcdescsi): New pattern.
7456 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7457 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7458 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7460 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7462 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7465 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7467 * tree-flow.h: Remove the prototype for add_type_alias.
7468 * tree-ssa-alias.c (add_type_alias): Remove.
7470 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7472 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7473 config/fr30/fr30.md, config/i386/i386-interix.h,
7474 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7475 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7476 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7477 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7478 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7479 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7480 Follow spelling conventions.
7481 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7482 Follow spelling conventions.
7484 2006-05-27 Richard Guenther <rguenther@suse.de>
7487 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7488 to produce a constant of value 1 of generic type.
7490 2006-05-27 Dirk Mueller <dmueller@suse.de>
7492 * cgraphunit.c (decide_is_function_needed): Fix wrong
7495 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7497 PR rtl-optimization/27661
7498 * reload.c (find_reloads): When reloading a VOIDmode constant
7499 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7500 use Pmode as mode of the reload register.
7502 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7504 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7505 is enabled at -O and above.
7507 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7510 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7513 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7516 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7517 for anonymous variables explicitly declared by front ends.
7519 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7521 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7522 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7523 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7524 ref-all pointers, run a finalization pass for them.
7525 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7526 (finalize_ref_all_pointers): New function.
7527 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7528 regular pointer type to a ref-all pointer type.
7529 (get_tmt_for): Return the special memory tag for ref-all pointers.
7531 2006-05-25 Richard Guenther <rguenther@suse.de>
7534 * fold-const.c (fold_binary): Do not look at the stripped
7535 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7537 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7539 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7540 for LT and GT if the computed range is effectively empty.
7542 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7545 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7546 mips_quad_format formats instead of ieee_single_format,
7547 ieee_double_format and ieee_quad_format formats, respectively.
7549 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7551 PR tree-optimization/27639
7552 PR tree-optimization/26719
7553 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7554 call to scev_probably_wraps_p.
7555 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7556 used_in_pointer_arithmetic_p, convert_step): Removed.
7557 (nowrap_type_p): New function.
7558 (scev_probably_wraps_p): Rewritten.
7559 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7560 chrec_convert if chrec_convert_aggressive might have been used.
7561 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7562 scev_direction): New functions.
7563 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7564 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7565 instead of convert_step.
7566 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7567 (convert_step): Declaration removed.
7568 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7570 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7572 * df-core.c: Added to header comments.
7573 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7574 df_ur_bb_info, df_urec_bb_info): Added comments.
7575 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7576 urec, ri problems): Fixed header comments.
7577 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7578 code from df_rd_transfer_function.
7580 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7582 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7583 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7584 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7586 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7588 * expr.c (undefined_operand_subword_p): New.
7589 (emit_move_multi_word): Do not generate move from undefined bits
7590 of a paradoxical subreg.
7592 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7594 PR rtl-optimization/27736
7595 * combine.c (replaced_rhs_value): New variable.
7596 (combine_instructions): Set it.
7597 (distribute_notes): When distributing a note in replaced_rhs_insn,
7598 check whether the value was used in replaced_rhs_value.
7600 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7603 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7604 add_referenced_var instead of add_referenced_tmp_var.
7605 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7606 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7608 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7609 tree_optimize_tail_calls_1): Use add_referenced_var.
7610 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7611 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7612 Use add_referenced_var.
7613 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7614 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7615 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7616 Use add_referenced_var.
7617 * tree-dfa.c (struct walk_state): Remove.
7618 (find_referenced_vars): Remove walk state and vars_found hash table.
7619 (make_rename_temp): Use add_referenced_var.
7620 (find_vars_r): Pass less parameters to add_referenced_var.
7621 (referenced_var_p): New. Is var in referenced_var hash table.
7622 (referenced_var_insert): Assert var isn't already in hash table.
7623 (add_referenced_var): Don't need walk_state parameter. Add var if it
7624 isn't already in the hash table.
7625 (add_referenced_tmp_var): Remove.
7626 (find_new_referenced_vars_1): Use add_referenced_var.
7627 * tree-ssa-pre.c (create_expression_by_pieces,
7628 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7629 Use add_referenced_var.
7630 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7631 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7632 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7634 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7635 vect_create_data_ref_ptr, vect_create_destination_var,
7636 vect_init_vector, vect_build_loop_niters,
7637 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7638 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7639 Use add_referenced_var.
7640 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7641 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7642 (add_referenced_var): Add prototype.
7643 * tree-ssa-structalias.c (get_constraint_for,
7644 intra_create_variable_infos): Use add_referenced_var.
7646 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7648 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7649 big-endian paradoxical subregs.
7650 * var-tracking.c (struct micro_operation_def): Document that,
7651 for modify micro operations, insn is the subsequent instruction.
7652 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7653 (var_reg_set, var_mem_set): ... new functions.
7654 (add_stores): Record subsequent insn.
7655 (compute_bb_dataflow): Use new functions for MO_USE.
7656 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7657 notes after the insn, and modify notes before the insn known
7658 to be the subsequent one.
7659 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7661 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7664 * config/i386/i386.c (ix86_expand_builtin): Use
7665 gen_sse3_monitor64 for TARGET_64BIT.
7667 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7669 PR rtl-optimization/26375
7670 PR rtl-optimization/26855
7671 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7673 (df_ru_bb_local_compute): Reversed statements and removed bogus
7674 comment explaining why they should be in wrong order.
7675 (df_ru_dump, df_rd_dump): Enhanced debug info.
7676 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7678 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7679 reaching uses and fixed space problem.
7681 2006-05-23 Jan Hubicka <jh@suse.cz>
7683 * cgraphunit.c (decide_is_function_needed): Also nested functions
7684 and functions declared inline can be optimized out at -O0.
7686 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7688 * doc/install.texi (Configuration): Remove reference to CrossGCC
7692 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7695 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7696 ix86_compare_emitted is non-NULL.
7698 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7701 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7704 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7706 PR rtl-optimization/25514
7707 * combine.c (replaced_rhs_insn): New variable.
7708 (combine_instructions): Set replaced_rhs_insn when trying to replace
7709 a SET_SRC with a REG_EQUAL note.
7710 (distribute_notes): Use replaced_rhs_insn when determining the live
7711 range of a REG_DEAD register.
7713 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7714 Anatoly Sokolov <aesok@post.ru>
7716 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7717 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7718 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7719 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7720 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7721 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7722 at90usb647, at90usb1286 and at90usb1287 devices.
7723 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7724 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7726 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7728 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7730 2006-05-22 Richard Guenther <rguenther@suse.de>
7733 2006-01-31 Richard Guenther <rguenther@suse.de>
7734 Paolo Bonzini <bonzini@gnu.org>
7736 * doc/install.texi (--disable-libgcc-math): Document.
7738 2006-05-22 Richard Guenther <rguenther@suse.de>
7741 2006-01-31 Richard Guenther <rguenther@suse.de>
7743 * doc/invoke.texi (-msselibm): Document.
7744 * target.h (expand_library_builtin): New target hook.
7745 * builtins.c (expand_builtin): Use expand_library_builtin.
7746 (default_expand_library_builtin): New function.
7747 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7748 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7749 (link_gcc_math_spec): Declare.
7750 (static_specs): Add link_gcc_math_spec.
7751 * expr.h (default_expand_library_builtin): Declare.
7752 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7753 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7754 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7755 * config/i386/i386.opt (msselibm): New target option.
7756 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7757 (ix86_init_sse_abi_builtins): New function.
7758 (ix86_expand_library_builtin): Likewise.
7759 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7760 (override_options): Handle error conditions wrt -msselibm.
7761 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7762 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7763 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7766 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7769 * c-common.c (self_promoting_args_p): Skip erroneous args.
7772 * c-decl.c (finish_struct): Skip erroneous fields.
7774 2006-05-22 Nick Clifton <nickc@redhat.com>
7776 * config/cris/cris.opt (march): Remove VarExists attribute.
7777 (max-stackframe=): Likewise.
7779 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7781 * doc/rtl.texi: Fix a typo.
7782 * see.c: Fix comment typos.
7784 * tree-ssa-structalias.h (alias_info): Remove num_references.
7786 2006-05-21 Mike Stump <mrs@apple.com>
7788 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7790 (darwin_pragma_options): Use BAD instead.
7791 (darwin_pragma_unused): Likewise.
7792 (darwin_pragma_ms_struct): Likewise.
7794 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7796 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7798 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7800 PR rtl-optimization/27671
7801 * simplify-rtx.c (simplify_relational_operation_1): Fix
7802 simplifications of (eq/ne (xor x y) y) and
7803 (eq/ne (xor x y) x).
7805 PR tree-optimization/26622.
7806 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7809 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7811 * tree-cfg.c: Prune whitespace.
7812 (debug_tree_cfg): Point to correct header containing the
7815 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7818 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7820 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7823 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7824 or sorry count is non zero.
7826 2006-05-20 Andreas Schwab <schwab@suse.de>
7828 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7830 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7831 Kenneth Zadeck <zadeck@naturalbridge.com>
7833 PR rtl-optimization/26855
7835 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7837 (df_scan_alloc): Added code to properly handle multiword hard
7838 registers and add all_blocks parameter.
7839 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7840 code to properly handle multiword hard registers.
7841 (df_rescan_blocks): Added code to remove deleted blocks from
7843 (df_ref_create_structure, df_ref_record): Added code to properly
7845 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7846 and set DF_REF_PARTIAL.
7847 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7848 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7849 (df_scan_add_problem): Added flags parameter.
7850 (df_ref_create_structure): Changed switching structure.
7851 (df_bb_refs_record): Fixed case where duplicate artificial refs
7852 were created. Changed location of flags.
7853 (df_record_entry_block_defs): Added code to make stack pointer
7854 live in entry block. Refined cases where frame pointer is needed.
7855 Changed location of flags.
7856 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7857 (df_set_state): Removed function.
7858 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7859 df_insn_create_insn_record, df_insn_refs_delete,
7860 df_ref_create_structure): Formatting changes.
7861 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7862 df_delete_basic_block): New function.
7863 (df_init): Changed location of flags.
7864 (df_add_problem): Added flags parameter and the way flags are
7866 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7867 debug_df_chain): Improved debugging output.
7868 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7869 (df_refs_chain_dump): Removed df parameter.
7870 (df_iterative_dataflow): Added consistency check.
7871 (df_prune_to_subcfg): Made public.
7872 (df_analyze_problem): Added blocks_to_init parameter and made
7874 (df_ref_record, df_bb_refs_record, df_mark_reg,
7875 df_record_exit_block_uses): Whitespace changes.
7876 (df_dump): Whitespace changes.
7877 * df.h: Some reordering to remove forward references.
7878 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7879 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7880 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7881 (dataflow.flags): New field.
7882 (df.flag): Deleted field.
7883 (df_alloc_function): Added additional bitmap parameter.
7884 (df_dependent_problem_function): New type.
7885 (df_problem.changeable_flags): New field.
7886 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7887 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7888 (df_mw_hardreg): New struct.
7889 (DF_INSN_UID_MWS): New macro.
7890 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7892 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7893 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7894 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7895 (df_set_state): Removed function.
7896 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7897 * df-problems.c (df_chain_dump): Removed df parameter.
7898 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7899 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7901 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7902 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7903 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7904 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7905 DF_REF_MUST_CLOBBER cases.
7906 (df_ru_bb_local_compute_process_def,
7907 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7908 df_lr_bb_local_compute, df_ur_bb_local_compute,
7909 df_chain_create_bb): Made subreg aware.
7910 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7911 df_lr_bb_local_compute, df_lr_bb_local_compute,
7912 df_chain_create_bb): Cleanup to use proper macros.
7913 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7914 code to fixup bitvectors.
7915 (df_ri_alloc): Cleared lifetime.
7916 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7917 df_create_unused_note): New function.
7918 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7919 REG_DEAD and REG_UNUSED notes as well as register information.
7920 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7921 df_chains_dump): Fixed crash if problem was never run.
7922 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7923 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7924 df_ri_add_problem): Processes flags in uniform manner.
7925 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7926 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7927 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7928 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7929 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7930 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7931 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7932 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7933 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7934 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7935 * see.c (see_initialize_data): Ditto.
7936 * final.c (rest_of_clean_state) Added regstack_completed.
7937 * rtl.h (regstack_completed): Ditto.
7938 * reg-stack.c (regstack_completed): Ditto.
7940 2006-05-19 Mike Stump <mrs@apple.com>
7942 * c-tree.h (default_conversion): Remove.
7943 * c-common.h (default_conversion): Add.
7945 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7947 * tree-vrp.c (valid_value_p): New function.
7948 (adjust_range_with_scev): Fail if the value of bound is not
7951 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7953 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7954 (mips_fallback_frame_state): Use syscall numbers to determine
7955 the appropriate li instruction for the current ABI. Only use
7956 __NR_sigreturn for o32.
7958 2006-05-19 Nicolas Setton <setton@adacore.com>
7960 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7961 * langhooks.c (lhd_dwarf_name): New function.
7962 * langhooks-def.h (lhd_dwarf_name): Declare.
7963 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7964 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7965 * ada/misc.c (gnat_dwarf_name): New function.
7966 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7968 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7970 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7972 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7973 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7974 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7975 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7976 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7977 determine the size of Wtype, etc.
7978 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7979 (swfloatfuncs): New variable.
7980 (dwfloatfuncs): Likewise.
7981 (lib2funcs): Remove floating-point conversion functions from
7982 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7983 the set of conversion routines needed. Allow entries to specify
7984 an object name, filename and word size. Update users accordingly.
7985 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7986 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7990 2006-02-08 Roger Sayle <roger@eyesopen.com>
7993 * config/fixtfdi.c: New libgcc source file.
7994 * config/fixunstfdi.c: New source file.
7995 * config/floatditf.c: New source file.
7996 * config/floatunditf.c: New souce file.
7997 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7998 files above instead of config/mips/_tilib.c.
7999 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8001 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8003 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8004 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8006 2006-05-18 Mike Stump <mrs@apple.com>
8008 Fix up vla, vm and [*] sematics.
8014 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8015 (c_vla_unspec_p): Add.
8016 (c_vla_type_p): Add.
8017 * c-decl.c (struct c_scope): Add had_vla_unspec.
8018 (build_array_declarator): Add support for [*].
8019 (grokdeclarator): Likewise.
8020 (grokparms): Likewise.
8021 (get_parm_info): Likewise.
8022 * c-objc-common.c (c_vla_unspec_p): Likewise.
8023 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8024 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8025 typeof when argument is a variably modified type not inside sizeof or alignof.
8026 (c_parser_direct_declarator_inner): Propagate errors.
8027 (c_parser_sizeof_expression): Add support for [*].
8028 (c_parser_parms_declarator): Initialize had_vla_unspec.
8029 (c_parser_parms_list_declarator): Likewise.
8030 * c-typeck.c (c_vla_type_p): Add.
8031 (composite_type): Add support for vla compositing.
8032 (comptypes_internal): Add support for vla compatibility.
8033 (c_expr_sizeof_expr): Evaluate vla arguments.
8034 * tree.c (variably_modified_type_p): Update comment for [*].
8036 2006-05-18 Michael Matz <matz@suse.de>
8039 * config.host: Make assignments to host_xmake_file cumulative.
8040 * config.host (*-darwin*): Test $host, not $target.
8042 2006-05-12 Stuart Hastings <stuart@apple.com>
8044 * config/i386/i386.opt (-mstackrealign): New flag.
8045 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8046 (ix86_handle_cconv_attribute): Emit error when
8047 force_align_arg_pointer attribute collides with too many regparms.
8048 (ix86_function_regparm): Limit regparms when used with
8049 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8050 Support stack-realigning prologue in non-main functions. Emit
8051 warning for nested functions under -mstackrealign, emit error for
8052 nested functions with force_align_arg_pointer attribute.
8053 * doc/extend.texi (force_align_arg_pointer): Document it.
8054 * doc/invoke.texi (-mstackrealign): Document it.
8056 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8058 PR rtl-optimization/27477
8059 * combine.c (try_combine): Don't split a parallel consisting
8060 of two sets into two individual sets if both sets reference
8063 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8065 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8066 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8068 * doc/options.texi (VarExists): Updated.
8070 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8072 * unwind-dw2.c: Add declarations for uw_update_context and
8074 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8075 detected, advance frame state and context once to skip over stub.
8077 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8081 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8082 Call rewrite_into_loop_closed_ssa only when something changed.
8083 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8084 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8085 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8086 Test for perfect_nest_p here. Fix formating.
8087 (replace_uses_equiv_to_x_with_y): Fix formating.
8088 (stmt_uses_op): Removed.
8089 (can_convert_to_perfect_nest): Removed loopivs parameter.
8090 Complete the test by checking the scalar dependences.
8091 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8094 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8097 From Dan Kegel <dank@kegel.com>:
8098 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8100 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8102 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8103 if the element type is variably modified without recursing.
8105 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8108 * tree-loop-linear.c (try_interchange_loops): Test for
8109 no data dependences.
8111 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8113 PR tree-optimization/27548
8114 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8115 range of ssa names that appear on abnormal edges.
8116 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8117 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8119 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8122 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8124 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8127 * tree.h (OMP_PARALLEL_COMBINED): Define.
8128 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8129 (new_omp_context): Add is_combined_parallel argument.
8130 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8131 new_omp_context caller.
8132 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8133 Adjust gimplify_scan_omp_clauses callers.
8134 (omp_is_private): Issue errors if iteration variable is firstprivate
8135 or reduction in the current context.
8136 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8137 on combined parallel workshare constructs.
8139 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8141 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8142 (gcc-options.o): New rule.
8144 * optc-gen.awk: Protect variables for gcc-options.o with
8145 #ifdef GCC_DRIVER/#endif.
8147 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8149 Fix PR tree-optimization/27373
8150 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8151 (forward_propagate_addr_expr): Update call.
8153 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8155 * doc/options.texi: Move the Negative option.
8157 2006-05-16 Richard Guenther <rguenther@suse.de>
8159 PR tree-optimization/22303
8160 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8162 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8163 ccp_fold did not simplify the statement.
8165 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8168 * Makefile.in (GCC_OBJS): New.
8169 (OBJS-common): Add opts-common.o.
8170 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8171 (cpp$(exeext)): Likewise.
8172 (gcc.o): Also depend on opts.h.
8173 (opts-common.o): New.
8175 * common.opt (gcoff): Add Negative(gdwarf-2).
8176 (gdwarf-2): Add Negative(gstabs).
8177 (gstabs): Add Negative(gstabs+).
8178 (gstabs+): Add Negative(gvms).
8179 (gvms): Add Negative(gxcoff).
8180 (gxcoff): Add Negative(gxcoff+).
8181 (gxcoff+): Add Negative(gcoff).
8182 * config/i386/i386.opt (m32): Add Negative(m64).
8183 (m64): Add Negative(m32).
8185 * doc/options.texi: Document the Negative option.
8187 * gcc.c: Include "opts.h".
8188 (main): Call prune_options after expandargv.
8190 * optc-gen.awk: Generate common declarations for all flag
8191 variables in options.c. Output the neg_index field.
8193 * opts.c (find_opt): Moved to ...
8194 * opts-common.c: Here. New file.
8196 * opts.h (cl_option): Add a neg_index field.
8198 (prune_options): Likewise.
8200 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8203 * omp-low.c (expand_omp_parallel): Don't assert
8204 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8205 instead search for it.
8208 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8211 2006-05-16 Andreas Schwab <schwab@suse.de>
8213 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8216 2006-05-15 Roger Sayle <roger@eyesopen.com>
8219 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8220 integer constants other than zero are only legitimate on TARGET_64BIT.
8221 <CONST_VECTOR> Only zero vectors are legitimate.
8222 (ix86_cannot_force_const_mem): Integral and vector constants can
8223 always be put in the constant pool.
8225 2006-05-16 DJ Delorie <dj@redhat.com>
8227 * crtstuff.c (__dso_handle): Set section from
8228 TARGET_LBIGCC_SDATA_SECTION if defined.
8229 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8230 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8232 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8235 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8238 2006-05-16 Ben Elliston <bje@au.ibm.com>
8240 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8242 2006-05-15 Per Bothner <per@bothner.com>
8244 * tree.c: (last_annotated_node): Use source_locus typedef.
8245 This permits bootstrapping with --enable-mapped-location.
8247 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8249 PR tree-optimization/26830
8250 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8251 (info_for_ssa_name, current_info_for_ssa_name_age,
8252 blocks_to_update): New variables.
8253 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8254 (clear_ssa_name_info, initialize_flags_in_bb,
8255 mark_block_for_update): New functions.
8256 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8257 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8258 prepare_def_site_for): Use mark_block_for_update.
8259 (mark_def_interesting): Assert that the processed block is marked in
8260 blocks_to_update. Do not take blocks argument.
8261 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8263 (rewrite_update_init_block, rewrite_update_stmt): Only process
8264 blocks with statements to rewrite.
8265 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8266 (update_ssa): Initialize and free blocks_to_update. Do not
8267 clear flags on statements. Do not use blocks bitmap.
8268 * tree.h (SSA_NAME_AUX): Removed.
8269 (struct tree_ssa_name): Removed aux field.
8270 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8272 2006-05-15 Richard Guenther <rguenther@suse.de>
8274 PR tree-optimization/27603
8275 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8276 Do computations in original type.
8278 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8280 * see.c: Code style changes such as redundant paranthesis,
8281 redundant intialization of local variables etc.
8282 (see_main): Declared now as static.
8283 * doc/invoke.texi: Update that -fsee is not enabled by
8286 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8288 * omp-low.c (check_omp_nesting_restrictions): New function.
8289 (scan_omp_1): Call it.
8292 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8293 construct, return *VAR.
8295 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8297 PR rtl-optimization/27406
8298 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8301 2006-05-14 Roger Sayle <roger@eyesopen.com>
8303 PR rtl-optimization/27538
8304 * combine.c (expand_compound_operation): Call gen_lowpart
8305 before calling simplify_shift_const.
8307 2006-05-14 Roger Sayle <roger@eyesopen.com>
8309 PR rtl-optimization/22563
8310 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8311 a fixed width bitfield, always force the intermediates into psuedos.
8313 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8316 * mkconfig.sh: Use operator = instead of == for test.
8318 2006-05-13 Nick Clifton <nickc@redhat.com>
8320 * dwarf2out.c (dbx_reg_number): Check return value from
8321 LEAF_REG_REMAP and only use it if it is valid.
8322 (multiple_reg_loc_descriptor): Likewise.
8324 2006-05-13 Richard Guenther <rguenther@suse.de>
8326 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8329 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8331 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8332 information attached to non-INSNs such as NOTEs.
8333 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8335 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8337 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8339 * config/s390/s390.md: Adjust comment describing On constraint.
8341 2006-05-11 Jan Hubicka <jh@suse.cz>
8343 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8344 to be output at -O0.
8346 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8349 * fold-const.c (size_binop): Move sanity check for arguments to
8350 the beginning of the function.
8353 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8356 2006-05-11 Richard Guenther <rguenther@suse.de>
8359 * fold-const.c (fold_unary): Handle intermediate conversion
8360 to a pointer type like intermediate conversion to an integer
8361 type in folding of (T1)(T2)var to var.
8362 Match the code to the comment in the final conversion for
8363 (T1)(T2)var to (T1)var regarding to type precision. Rather
8364 than disallow T1 being of pointer type, assert that both T1
8365 and var are of pointer type or not. Make sure not to fall
8366 over the frontends lazyness wrt array to pointer decay though.
8368 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8370 * arm.c (arm_struct_value_rtx): Delete.
8371 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8372 (arm_init_cumulative_args): Always initialize nregs to zero.
8374 2006-05-10 Richard Guenther <rguenther@suse.de>
8376 PR tree-optimization/27532
8377 * tree-object-size.c (plus_expr_object_size): Fix typo.
8379 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8382 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8383 ashrdi_const, ashrdi3): Use a scratch register.
8385 2006-05-10 Richard Guenther <rguenther@suse.de>
8387 PR tree-optimization/27302
8388 * fold-const.c (operand_equal_p): For two comparisons,
8389 try comparison of one comparison code swapped if that yields
8392 2006-05-10 Ben Elliston <bje@au.ibm.com>
8394 * tree-pretty-print.c (pretty_print_string): No need to handle
8395 '\0' as a special character.
8397 * tree.h: Include "hashtab.h".
8398 (iterative_hash_expr): Use hashval_t in its prototype.
8399 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8401 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8404 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8405 (hppa*64*-*-hpux11*): Ditto.
8406 (hppa[12]*-*-hpux11*): Ditto.
8408 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8411 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8413 2006-05-09 Michael Matz <matz@suse.de>
8415 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8416 host_extra_gcc_objs and host_xmake_file.
8417 (<*-*-linux*>): Don't overwrite host_xmake_file.
8418 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8419 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8420 (host_detect_local_cpu): Declare.
8421 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8422 * config/i386/i386.c (override_options): Handle -mtune=native
8424 * config/i386/x-i386: New file.
8425 * config/i386/driver-i386.c: New file.
8426 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8429 2006-05-09 Dirk Mueller <dmueller@suse.de>
8430 Richard Guenther <rguenther@suse.de>
8433 * fold-const.c (fold_read_from_constant_string): Relax check
8434 for matching types to matching modes.
8436 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8438 PR rtl-optimization/27335
8439 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8442 2006-05-08 Chao-ying Fu <fu@mips.com>
8443 Richard Sandiford <richard@codesourcery.com>
8445 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8446 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8447 * config/mips/mips.md (UNSPEC_SCC): New constant.
8448 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8449 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8450 (mips_emit_compare): Use it.
8451 (mips_expand_vcondv2sf): New function.
8453 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8455 Fix PR tree-optimization/27093
8456 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8457 renaming when they become not-used_alone.
8459 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8461 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8462 relocation and relocation stubs.
8464 2006-05-08 Eric Christopher <echristo@apple.com>
8466 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8469 2006-05-08 Jan Hubicka <jh@suse.cz>
8472 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8473 unused static functions are needed.
8475 2006-05-08 Roger Sayle <roger@eyesopen.com>
8478 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8479 of a reg_equiv_constant if the result is a legitimate constant.
8481 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8484 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8485 standard 80387 constants, raise the cost to prevent
8486 compress_float_constant() to generate load from memory.
8488 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8490 * config/arm/constraints.md (c): Fix a typo.
8492 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8495 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8498 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8500 (_mm_mwait): Likewise.
8502 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8504 (sse3_monitor): Make it 32bit only.
8505 (sse3_monitor64): New. 64bit monitor.
8507 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8510 * config/i386/i386.c (classify_argument): Skip fields with invalid
8513 2006-05-07 Richard Guenther <rguenther@suse.de>
8515 PR tree-optimization/27409
8516 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8517 Do not try to find zero-sized subvars.
8519 2006-05-07 Richard Guenther <rguenther@suse.de>
8521 PR tree-optimization/27136
8522 * tree-ssa-loop-niter.c (get_val_for): Correct function
8523 comment, assert requirements.
8524 (loop_niter_by_eval): Stop processing if the iterated
8525 value did not simplify.
8527 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8529 * opts.c (flag_see): remove its setting at -O3.
8531 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8533 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8534 * arm/constraints.md: New file.
8535 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8536 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8537 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8538 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8539 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8540 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8541 * arm.md: Include constraints.md.
8542 (thumb_movsi_insn): Use satisfies_constraint_J.
8543 (movhi, movqi): Use satisfies_constraint_I.
8545 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8547 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8548 for atmeg a645 device.
8550 2006-05-06 Richard Guenther <rguenther@suse.de>
8552 PR tree-optimization/27151
8553 * tree-vect-transform.c (vectorizable_condition): Punt on
8554 values that have a different type than the condition.
8556 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8559 * c-parser.c (c_parser_cast_expression): Only insert casts into
8560 hash table if pointer.
8561 * function.c (used_types_insert_helper): Rename from
8563 (used_types_insert): Call used_types_insert_helper.
8564 * function.h (used_types_insert): Accept only one argument.
8566 2006-05-05 David Edelsohn <edesohn@gnu.org>
8568 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8569 scratch with output modifier.
8571 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8574 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8575 with output modifier.
8577 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8580 * config/mips/mips.c (mips_symbolic_address_p): Return true
8581 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8582 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8584 2006-05-04 Richard Guenther <rguenther@suse.de>
8586 PR tree-optimization/14287
8587 PR tree-optimization/14844
8588 PR tree-optimization/19792
8589 PR tree-optimization/21608
8590 PR tree-optimization/27090
8591 * tree-ssa-pre.c (try_combine_conversion): New function.
8592 (compute_avail): After constructing the value-handle
8593 expression, use try_combine_conversion to combine NOP_EXPRs
8594 with previous value-handle expressions and use the result if it
8597 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8599 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8601 2006-05-04 Jan Hubicka <jh@suse.cz>
8604 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8606 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8608 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8609 that this only matches CONST_INTs. All users changed to VOIDmode
8612 * config/bfin/bfin.c: Include "optabs.h".
8613 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8615 (enum bfin_builtins): Add a number of fractional and vector builtins.
8616 (bfin_init_builtins): Likewise.
8617 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8618 (safe_vector_operand, bfin_expand_binop_builtin,
8619 bfin_expand_unop_builtin): New functions.
8620 (bfin_expand_builtin): Handle the new builtins.
8621 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8624 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8627 * Makefile.in (OBJS-common): Add see.o.
8628 (see.o): Add dependencies.
8629 * common.opt (fsee): New flag for the see optimization was added.
8630 * opts.c (flag_see): Initialized.
8631 * passes.c (init_optimization_passes, pass_see): New pass.
8632 * rtl.h (see_main): Declaration as extern.
8633 * timevar.def (TV_SEE): New.
8634 * tree-pass.h (pass_see): Declaration as extern.
8635 * invoke.texi (-fsee): Document.
8636 * recog.c (validate_simplify_insn): New function.
8637 * recog.h (validate_simplify_insn): Declaration as extern.
8638 * df-problems.c (df_chain_dump): Check for NULL.
8640 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8641 Daniel Berlin <dberlin@dberlin.org>
8643 * cfgrtl.c (insert_insn_bb_end_new): New function.
8644 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8646 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8648 * df.h (struct web_entry): Moved from web.c.
8649 (union_defs): Declaration as extern.
8650 (unionfind_root): Likewise.
8651 (unionfind_union): Likewise.
8652 * web.c (struct web_entry): Moved to df.h.
8653 (unionfind_root): Remove static declaration.
8654 (unionfind_union): Likewise.
8655 (union_defs): Likewise and generalize to use callback function.
8656 (web_main): Update arguments for union_defs function call.
8658 2006-05-04 Richard Guenther <rguenther@suse.de>
8660 PR tree-optimization/26447
8661 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8662 produce SSA_NAME copies before the store stmt to avoid
8663 breaking exception handling.
8665 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8668 * gimplify.c (omp_is_private): If var is shared in some outer context,
8669 return false instead of true. Stop searching on parallel context
8672 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8675 * coverage.c: Use get_gcov_unsigned_t() instead of
8676 unsigned_type_node all over.
8678 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8680 PR tree-optimization/27381
8681 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8682 maintain the same immediate_use links.
8683 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8684 node rather than segfaulting.
8686 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8689 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8690 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8691 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8693 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8695 Fix PR tree-optimization/26626
8696 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8698 * tree-ssa-operands.c (access_can_touch_variable): Allow
8699 typecasting through union pointers.
8701 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8704 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8705 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8706 to find if var will be a global variable even in the nested context.
8707 (omp_copy_decl): Only check for global variable at the end, it might
8708 be overridden in outer contexts.
8709 (scan_sharing_clauses): For global variables don't create a field.
8710 (lower_rec_input_clauses): Do nothing for global shared variables.
8711 Emit a barrier at the end of ILIST if there were any decls in both
8712 firstprivate and lastprivate clauses.
8713 (lower_send_clauses): Do nothing for global variables except for
8716 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8718 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8719 of the correct signedness is returned.
8721 2006-05-02 Jeff Law <law@redhat.com>
8723 PR tree-optimization/27364
8724 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8725 multiply expressions.
8727 2006-05-02 Tom Tromey <tromey@redhat.com>
8729 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8731 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8734 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8735 -mthumb -fPIC are used.
8737 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8738 Joshua Kinard <kumba@gentoo.org>
8741 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8742 with 64-bit pointers.
8744 2006-05-02 Paul Brook <paul@codesourcery.com>
8746 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8748 (create_fix_barrier): Check that a suitable barrier location is
8750 (arm_reorg): Include ftmp->address in allowable range of addresses.
8752 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8755 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8758 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8761 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8762 around RESULT_DECL for result passed by reference.
8763 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8764 * omp-low.c (use_pointer_for_field): Don't look at
8765 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8766 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8767 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8768 time or var for passing by reference for
8769 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8770 TREE_ADDRESSABLE variables when passing by reference.
8772 * omp-low.c (dump_omp_region): Fix output formatting.
8775 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8776 (expand_omp_parallel): Likewise.
8777 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8780 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8781 on statement list containing also constructors and destructors.
8782 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8785 * except.c (duplicate_eh_regions): Fix clearing of
8786 cfun->eh->region_array entries.
8788 2006-05-01 DJ Delorie <dj@redhat.com>
8790 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8792 (gcc_cv_objdump): Likewise.
8793 * configure: Regenerated.
8795 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8798 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8799 templates for case 3 and 4.
8801 2006-05-01 DJ Delorie <dj@redhat.com>
8803 * vec.c: Include bconfig.h when appropriate.
8804 * Makefile.in (build/vec.o): Adjust dependencies.
8805 * mkconfig.sh: Make sure config.h isn't used for build machine
8808 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8810 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8812 (mark_phi_for_rewrite): New function.
8813 (insert_phi_nodes_for, mark_use_interesting): Call
8814 mark_phi_for_rewrite.
8815 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8816 (update_ssa): Initialize and free phis_to_rewrite.
8818 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8820 PR rtl-optimization/27291
8821 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8822 folded to a constant.
8824 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8826 PR tree-optimization/27283
8827 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8828 not whole # of iteration descriptions.
8829 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8830 uses abnormal ssa name.
8831 (niter_for_single_dom_exit): Ditto.
8832 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8833 return just the number of iterations.
8835 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8837 PR tree-optimization/27144
8838 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8839 (record_estimate): Only record constant upper bound.
8840 (infer_loop_bounds_from_undefined): Call
8841 compute_estimated_nb_iterations just once.
8842 (proved_non_wrapping_p): Renamed to ...
8843 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8844 (convert_step_widening, scev_probably_wraps_p): Call
8845 n_of_executions_at_most instead of proved_non_wrapping_p.
8846 (substitute_in_loop_info): Do not replace values in bounds.
8847 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8850 2006-05-01 Richard Henderson <rth@redhat.com>
8853 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8854 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8857 2006-05-01 Roger Sayle <roger@eyesopen.com>
8859 * c-typeck.c (parser_build_binary_op): Don't call the function
8860 unsigned_conversion_warning to spot operand/result type overflow.
8861 (build_binary_op): Instead, call convert_and_check instead of
8862 convert to report the problem when the operands are promoted.
8863 * c-common.c (unsigned_conversion_warning): Make static.
8864 * c-common.h (unsigned_conversion_warning): Delete prototype.
8866 2006-05-01 Richard Guenther <rguenther@suse.de>
8868 PR tree-optimization/26726
8869 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8871 (find_interesting_uses_address): ... we work around here
8872 by folding INDIRECT_REFs in the substituted base.
8874 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8876 * omp-low.c (dump_omp_region): Add newlines.
8878 2006-04-30 Roger Sayle <roger@eyesopen.com>
8880 * common.opt (Woverflow): New command line option.
8881 * c-common.c (constant_expression_warning): Check warn_overflow.
8882 (overflow_waring): Pass OPT_Woverflow to warning.
8883 (unsigned_conversion_warning): Likewise.
8884 (convert_and_check): Likewise.
8885 * doc/invoke.texi: Document new command line option.
8887 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8889 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8890 TARGET_NO_FP_IN_TOC for section anchors.
8891 (optimization_options): Enable section anchors for all
8892 non-"Objective" languages.
8894 2006-04-28 Eric Christopher <echristo@apple.com>
8896 * config/darwin-c.c (darwin_ms_struct): Move this
8897 (darwin_set_default_type_attributes): and this...
8898 * config/darwin.c: ... here.
8899 * config/darwin.h (darwin_ms_struct): Declare.
8901 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8903 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8905 2006-04-28 Roger Sayle <roger@eyesopen.com>
8908 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8909 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8910 an unsigned HOST_WIDE_INT.
8911 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8913 (really_start_incremental_init): No need to call convert because
8914 bitsize_zero_node is already of type bitsizetype.
8915 (push_init_level): Extract the value of constructor_index as an
8916 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8917 (process_init_element): Likewise.
8919 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8921 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8922 value before passing to make_relative_prefix.
8924 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8927 * builtins.c (expand_builtin_memset): Expand val in original mode.
8929 2006-04-27 Eric Christopher <echristo@apple.com>
8931 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8932 with #ifndef/#endif.
8933 * config/darwin-c.c (darwin_ms_struct): New.
8934 (darwin_pragma_ms_struct): Ditto.
8935 (darwin_set_default_type_attributes): Ditto.
8936 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8937 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8938 Register ms_struct pragma.
8939 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8940 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8941 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8942 darwin_set_default_type_attributes if TARGET_MACHO.
8944 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8946 PR tree-optimization/26854
8947 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8948 * doc/tree-ssa.texi: Update immuse iterator documentation.
8949 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8950 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8951 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8952 first_safe_imm_use, next_safe_imm_use): Remove.
8953 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8954 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8955 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8956 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8957 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8958 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8959 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8960 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8961 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8962 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8963 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8964 (perfect_nestify): Use new iterator.
8965 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8967 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8968 (next_imm_name): New field in struct immediate_use_iterator_d.
8969 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8970 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8971 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8972 * tree-cfg.c (replace_uses_by): Use new iterator.
8973 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8974 * tree-ssa-operands.c (correct_use_link): Remove.
8975 (finalize_ssa_use_ops): No longer call correct_use_link.
8977 2006-04-27 Stuart Hastings <stuart@apple.com>
8979 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8980 * config/t-darwin (crt3.o): Use it.
8981 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8982 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8983 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8984 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8985 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8988 2006-04-27 Roger Sayle <roger@eyesopen.com>
8990 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8991 size, force the intermediate into a new pseudo rather instead of
8992 performing both a bitwise AND and a bitwise IOR in memory.
8994 2006-04-27 Richard Guenther <rguenther@suse.de>
8996 PR rtl-optimization/26685
8997 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8998 this one "max-flow-memory-locations".
9000 2006-04-27 Richard Guenther <rguenther@suse.de>
9002 PR tree-optimization/25148
9003 * tree-vrp.c (compare_values): Remove code dealing with
9004 comparisons against type min/max value. Honour overflow
9005 and negative constants in code dealing with comparisons
9006 of plus and minus expressions.
9007 (value_inside_range): Use fold_binary with LE_EXPR and
9008 GE_EXPR rather than compare_values.
9010 2006-04-27 Dirk Mueller <dmueller@suse.de>
9012 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9015 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9017 * basic-block.h (safe_insert_insn_on_edge): Removed.
9018 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9020 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9021 Paolo Bonzini <bonzini@gnu.org>
9024 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9025 (simplify_and_const_int): Same.
9027 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9029 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9031 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9034 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9035 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9036 cgraph_global_info_ready.
9039 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9042 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9043 either decl or init is error_mark_node.
9046 * tree-flow.h (struct omp_region): Add sched_kind.
9047 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9048 instead of extracting omp for data.
9049 (expand_omp_for): Save extracted sched_kind.
9051 2006-04-25 Roger Sayle <roger@eyesopen.com>
9053 * expmed.c (store_bit_field): Also check whether the bitsize is
9054 valid for the machine's "insv" instruction before moving the
9055 target into a pseudo for use with the insv.
9056 * config/i386/predicates.md (const8_operand): New predicate.
9057 * config/i386/i386.md (extv, extzv, insv): Use the new
9058 const8_operand predicate where appropriate.
9060 2006-04-25 DJ Delorie <dj@redhat.com>
9062 * doc/install.texi (Specific): Clarify that this is not a list of
9063 supported hosts or targets.
9065 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9067 PR rtl-optimization/26725
9068 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9069 block's BB_DIRTY flag.
9071 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9073 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9076 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9077 to print an integer.
9079 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9081 * varasm.c (align_variable): New function.
9082 (get_block_for_decl): Apply align_variable to DECL before
9083 calculating section information.
9084 (assemble_variable): Split out alignment computation.
9086 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9088 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9091 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9093 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9094 MODE_PARTIAL_INT mode.
9095 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9096 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9098 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9099 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9101 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9103 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9105 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9106 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9107 MACFLAG_IH): Likewise.
9108 (movstricthi_1): Renamed from "*movstricthi".
9109 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9110 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9111 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9112 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9113 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9114 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9115 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9116 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9117 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9118 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9119 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9120 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9121 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9122 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9123 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9125 * doc/rtl.texi (ss_ashift): Improve wording.
9127 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9129 * dwarf2out.c (verify_marks_clear): New.
9130 (prune_unused_types): Call verify_marks_clear initially, not
9133 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9135 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9136 * doc/rtl.texi: Document them.
9137 * simplify-rtx.c (simplify_unary_operation,
9138 simplify_binary_operation_1): Don't abort when we see them.
9140 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9143 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9144 * configure.ac: Completely disregard languages that are not
9146 * configure: Regenerated.
9148 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9149 Richard Guenther <rguenther@suse.de>
9151 PR tree-optimization/27236
9152 * tree-inline.c (copy_body_r): Make sure to copy
9153 TREE_THIS_VOLATILE flag.
9155 2006-04-24 Richard Guenther <rguenther@suse.de>
9158 * tree-complex.c (update_parameter_components): Don't handle
9159 unused parameters which have no default def.
9161 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9162 Richard Guenther <rguenther@suse.de>
9164 PR tree-optimization/27218
9165 * tree-inline.c (expand_call_inline): Strip useless type
9166 conversions for the return slot address.
9168 2006-04-24 Richard Guenther <rguenther@suse.de>
9170 * cfgloop.h (struct loops): Remove unused field array. Reorder
9172 (LOOP_PREFETCH): Remove.
9174 2006-04-24 Richard Guenther <rguenther@suse.de>
9176 PR tree-optimization/22525
9177 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9178 variable, adjust types of generated expressions.
9180 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9182 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9183 (tree-vect-patterns.o): Likewise.
9185 (cselib.o): Likewise.
9186 (loop-doloop.o): Likewise.
9187 (regclass.o): Likewise.
9188 (reload1.o): Likewise.
9189 (explow.o): Replace target.h with $(TARGET_H).
9190 (ipa-prop.o): Likewise.
9191 (ipa-cp.o): Likewise.
9192 (ipa-inline.o): Likewise.
9193 (reorg.o): Likewise.
9194 (reg-stack.o): Likewise.
9196 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9198 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9200 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9202 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9204 * configure.ac: Completely disregard languages that are not
9206 * configure: Regenerated.
9209 * c-common.h (c_build_bitfield_integer_type): Declare.
9210 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9211 * c-common.c (c_build_bitfield_integer_type): ... here.
9213 2006-04-23 Roger Sayle <roger@eyesopen.com>
9216 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9217 a SImode SUBREG of a floating point register after no_new_pseudos.
9219 2006-04-23 Roger Sayle <roger@eyesopen.com>
9221 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9222 identify potentially eliminable registers to additionally catch
9223 VIRTUAL_INCOMING_ARGS_REGNUM.
9224 (addsi3): Update the conditions on when to use addsi_small_int.
9226 2006-04-23 Roger Sayle <roger@eyesopen.com>
9229 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9230 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9231 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9233 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9235 * fold-const.c (range_predecessor): Use operand_equal_p
9236 as the predicate for equality.
9237 (range_successor): Likewise.
9239 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9242 * config/soft-fp/op-common.h: Fix a typo.
9244 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9247 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9248 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9250 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9252 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9254 * doc/tm.texi: Fix a typo.
9256 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9258 * dwarf2out.c (struct die_struct): Document that die_sib makes
9259 a circular linked list.
9260 (FOR_EACH_CHILD): New.
9261 (reverse_die_lists): Delete.
9262 (reverse_all_dies): Delete.
9263 (add_dwarf_attr): Correct documentation.
9264 (remove_child_with_prev): New.
9265 (remove_child_TAG): Update for change to die_struct, use
9266 remove_child_with_prev.
9267 (add_child_die): Update for change to die_struct.
9268 (splice_child_die): Use remove_child_with_prev and add_child_die.
9269 (print_die): Use FOR_EACH_CHILD.
9270 (die_checksum): Likewise.
9271 (assign_symbol_names): Likewise.
9272 (output_location_lists): Likewise.
9273 (build_abbrev_table): Likewise.
9274 (calc_die_sizes): Likewise.
9275 (mark_dies): Likewise.
9276 (unmark_dies): Likewise.
9277 (unmark_all_dies): Likewise.
9278 (output_die): Likewise.
9279 (prune_unused_types_mark): Likewise.
9280 (prune_unused_types_walk): Likewise.
9281 (same_die_p): Update for change to die_struct.
9282 (break_out_includes): Likewise.
9283 (prune_unused_types_prune): Likewise.
9284 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9285 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9287 (dwarf2out_finish): Don't call reverse_all_dies.
9289 2006-04-21 Eric Christopher <echristo@apple.com>
9291 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9292 in comments and function names.
9294 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9297 * c-typeck.c (digest_init): Robustify.
9299 * c-typeck.c (pop_init_level): Simplify.
9301 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9303 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9305 2006-04-21 Paul Brook <paul@codesourcery.com>
9307 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9308 hardware floating point.
9310 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9312 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9315 2006-04-21 Nick Clifton <nickc@redhat.com>
9317 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9320 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9323 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9324 C++ lang type in traceback table for Objective-C++.
9326 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9328 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9330 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9332 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9335 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9336 were errors. Remove check for erroneous objects.
9338 2006-04-20 Jeff Law <law@redhat.com>
9340 PR tree-optimization/26854
9341 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9342 checking for zero or one use.
9343 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9344 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9345 * tree-ssa-reassoc.c (negate_value): Similarly.
9346 (reassociate_bb): Similarly.
9348 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9350 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9351 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9352 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9354 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9356 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9357 fp regs if the last fp arg doesn't fit in regs.
9359 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9362 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9363 that the last insn has the REG_INC note.
9365 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9366 Nathan Sidwell <nathan@codesourcery.com>
9369 * stor-layout.c (update_alignment_for_field): Do not align
9371 (place_union_field): Place union field at the start of the union.
9372 (place_field): Move ERROR_MARK check later, and use the current
9373 allocation position to maintain monotonicity.
9375 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9377 * dominance.c: Include timevar.h.
9378 (calculate_dominance_info): Use TV_DOMINANCE.
9379 * timevar.def (TV_DOMINANCE): New timevar.
9380 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9382 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9384 PR rtl-optimization/14261
9385 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9386 move would be an INSV insn.
9387 (noce_process_if_block): Don't optimize if the destination is a
9388 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9390 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9392 * config/s390/s390.md: Add comments with the instructions emitted
9393 by an insn pattern if macros are used.
9395 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9397 PR rtl-optimization/26026
9398 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9399 is a known power of two shifted left a variable amount.
9401 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9403 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9404 to hash table twice when the debug_str section has SECTION_MERGE.
9406 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9408 * config/soft-fp: New directory. From glibc.
9409 * config/soft-fp/t-softfp: New.
9410 * config/soft-fp/README: New.
9411 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9412 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9413 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9414 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9415 * config.gcc: Use rs6000/t-fprules-fpbit or
9416 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9418 * config/rs6000/sfp-machine.h: New. Based on glibc.
9419 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9421 * config/rs6000/t-fprules: Remove fp-bit rules.
9422 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9423 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9424 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9425 (softfp_wrap_start, softfp_wrap_end): New.
9427 2006-04-18 DJ Delorie <dj@redhat.com>
9429 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9431 2006-04-18 Devang Patel <dpatel@apple.com>
9433 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9435 2006-04-18 Nick Clifton <nickc@redhat.com>
9437 * config/sh/t-symbian: Add rule to build sh-c.o
9438 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9439 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9440 (sh_symbian_encode_section_info): Likewise.
9442 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9444 * builtins.c (expand_builtin_strcmp): Cover label definition of
9445 do_libcall with HAVE_cmpstrnsi.
9447 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9449 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9451 * function.h (temp_slot_p): New.
9452 (function): Change the type of x_used_temp_slots to
9453 VEC(temp_slot_p,gc) *.
9455 2006-04-18 Nick Clifton <nickc@redhat.com>
9457 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9458 flag_strength_reduce.
9460 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9462 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9466 Partial revert of revision 112637
9467 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9468 Dale Johannesen <dalej@apple.com>
9471 * regclass.c (struct reg_pref): Update documentation.
9472 (regclass): Set prefclass to NO_REGS if memory is the best option.
9473 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9475 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9477 PR tree-optimization/26821
9478 * tree-ssa-math-opts.c (get_constant_one): New.
9479 (insert_reciprocals): Use it.
9481 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9483 * dwarf2out.c (free_AT): Delete.
9484 (remove_AT): Update string ref counts.
9485 (remove_child_TAG): Don't call free_die.
9487 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9488 or DW_TAG_GNU_EINCL.
9489 (prune_unused_types_walk_attribs): Reset string refcounts.
9490 (prune_unused_types_update_strings): New.
9491 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9492 call free_die. Do call prune_unused_types_update_strings.
9493 (prune_unused_types): Empty debug_str_hash.
9495 2006-04-17 Roger Sayle <roger@eyesopen.com>
9497 * expr.c (expand_assignment): Optimize away no-op moves where the
9498 source and destination are equal and have no side-effects.
9500 2006-04-17 Richard Guenther <rguenther@suse.de>
9503 * reload.c (push_reload): Guard calls to get_secondary_mem
9506 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9508 * alias.c (reg_base_value, old_reg_base_value): Change the
9509 type to VEC(rtx,gc) *.
9510 (REG_BASE_VALUE, find_base_value, record_set,
9511 init_alias_analysis): Use VEC instead of VARRAY.
9513 * alias.c (alias_sets): Change the type to
9514 VEC(alias_set_entry,gc) *.
9515 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9516 VEC instead of VARRAY.
9517 (last_alias_set): Remove.
9519 * cgraph.h (cgraph_edge_p): New.
9520 Update the prototype of cgraph_function_versioning.
9521 * cgraphunit.c (cgraph_copy_node_for_versioning,
9522 cgraph_function_versioning): Use VEC instead of VARRAY.
9523 * ipa-cp.c (ipcp_insert_stage): Likewise.
9525 2006-04-16 Roger Sayle <roger@eyesopen.com>
9528 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9529 "A op B" or "A op C", we may need to convert A to the type of B and C.
9531 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9533 * target.h (struct gcc_target): Add mode_rep_extended.
9534 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9535 (init_num_sign_bit_copies_in_rep): Initialize it using
9537 (truncate_to_mode): Use it.
9538 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9539 * targhooks.h (default_mode_rep_extended): Declare it.
9540 * targhooks.c (default_mode_rep_extended): Define it.
9541 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9542 default_mode_rep_extended.
9543 (TARGET_INITIALIZER): Include it.
9544 * doc/tm.texi (Misc): Document it.
9545 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9546 (mips_truncated_to_mode): New function.
9548 2006-04-16 Roger Sayle <roger@eyesopen.com>
9551 * expr.c (compress_float_constant): Copy the narrow constant into
9552 a new pseudo before extending it to its final width.
9554 2006-04-16 Roger Sayle <roger@eyesopen.com>
9555 Andrew Pinski <pinskia@gcc.gnu.org>
9556 Dale Johannesen <dalej@apple.com>
9559 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9560 special case code to implement V8HImode and V16QImode with SSE2.
9562 2006-04-15 Roger Sayle <roger@eyesopen.com>
9564 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9565 trees are constructed with a suitable tree type.
9567 2006-04-15 Roger Sayle <roger@eyesopen.com>
9569 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9570 (integer_onep): Likewise.
9571 (integer_all_onesp): Likewise.
9572 (integer_pow2p): Likewise.
9573 (integer_nonzerop): Likewise.
9574 (real_zerop): Likewise.
9575 (real_onep): Likewise.
9576 (real_twop): Likewise.
9577 (real_minus_onep): Likewise.
9578 (int_size_in_bytes): Likewise.
9579 (host_integerp): Likewise.
9581 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9583 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9584 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9585 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9587 * tree-ssa-structalias.h (alias_info): Remove num_references.
9589 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9591 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9592 (output_bvb patterns): Likewise.
9593 * pa.c (output_bb): Use 'bb' insn for long branch case.
9594 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9595 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9596 1. Correct length operand for alternatives 1 and 2.
9597 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9598 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9600 2006-04-14 Roger Sayle <roger@eyesopen.com>
9602 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9603 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9604 were accidentally reverted by r112959.
9606 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9609 * except.h (eh_region_outermost): New prototype.
9610 * except.c (eh_region_outermost): New function.
9611 * tree-cfg.c (find_outermost_region_in_block): Use it.
9613 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9615 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9617 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9618 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9619 (init_reload, reload): Use VEC instead of VARRAY.
9620 * reload.h: Update the prototype for
9621 reg_equiv_memory_loc_varray.
9623 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9624 Eric Botcazou <ebotcazou@libertysurf.fr>
9626 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9629 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9632 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9633 to expand fallback builtin function call.
9635 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9638 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9639 and emit libcall here in case the builtin fails.
9640 (expand_builtin_strcmp): Always emit the libcall here on failure.
9642 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9644 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9645 * flow.c (reg_n_info): Change the type to
9646 VEC(reg_info_p,heap) *.
9647 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9649 * regs.h (reg_info_p): New.
9650 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9651 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9652 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9655 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9657 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9659 * params.h (MAX_SCHED_READY_INSNS): New macro.
9660 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9661 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9662 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9663 the ready list for 1 cycle during the first scheduling pass.
9664 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9666 2006-04-13 Richard Henderson <rth@redhat.com>
9669 * gimple-low.c (lower_omp_directive): Remove dead code.
9670 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9671 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9672 * omp-low.c (struct omp_region): Move to tree-flow.h.
9673 (root_omp_region): Export.
9674 (omp_regions, lookup_omp_region): Remove.
9675 (determine_parallel_type): Update for struct omp_region changes.
9676 (dump_omp_region): Dump regions with block numbers.
9677 (new_omp_region): Take type and block instead of stmt; malloc
9679 (free_omp_region_1, free_omp_regions): New.
9680 (expand_parallel_call): Take entry_stmt as argument; update for
9681 changes to omp_region.
9682 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9683 (remove_exit_barriers): New.
9684 (expand_omp_parallel): Update for struct omp_region changes.
9685 (expand_omp_synch): Likewise.
9686 (expand_omp): Likewise.
9687 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9688 (expand_omp_for_static_chunk): Likewise.
9689 (expand_omp_for): Likewise.
9690 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9691 (expand_omp_sections): Similarly, with GOMP_sections_end.
9692 (expand_omp_single): New.
9693 (build_omp_regions_1): Update for OMP_CONTINUE.
9694 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9695 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9696 OMP_SECTIONS_SECTIONS.
9697 (lower_omp_single_simple): Don't emit barrier here.
9698 (lower_omp_single_copy): Likewise.
9699 (lower_omp_single): Fix bindings, and lower to straightline now.
9700 (lower_omp_master, lower_omp_ordered): Likewise.
9701 (lower_omp_critical): Likewise.
9702 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9703 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9704 omp edges, free it afterward.
9705 (make_omp_sections_edges): Remove.
9706 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9707 (move_stmt_r): Handle OMP_CONTINUE.
9708 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9709 statement pointers to basic blocks. Add type member.
9710 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9711 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9712 * tree-inline.c (estimate_num_insns_1): Likewise.
9713 * tree-pretty-print.c (dump_generic_node): Likewise.
9714 * tree-ssa-operands.c (get_expr_operands): Likewise.
9715 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9716 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9717 (OMP_CONTINUE): New.
9718 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9719 (OMP_SECTIONS_SECTIONS): Remove.
9720 (OMP_SECTION_LAST): New.
9721 (OMP_RETURN_NOWAIT): New.
9723 2006-04-13 Roger Sayle <roger@eyesopen.com>
9725 * fold-const.c (native_encode_vector, native_interpret_real):
9726 Correct obvious mistakes in the previous check-in.
9728 2006-04-13 Roger Sayle <roger@eyesopen.com>
9730 * fold-const.c (native_encode_expr): New function to encode
9731 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9732 or VECTOR_CST into a specified buffer.
9733 (native_encode_int): New function.
9734 (native_encode_real): New function.
9735 (native_encode_complex): New function.
9736 (native_encode_vector): New function.
9737 (native_interpret_expr): Inverse of native_encode_expr to convert
9738 a target representation into an INTEGER_CST, REAL_CST etc...
9739 (native_interpret_int): New function.
9740 (native_interpret_real): New function.
9741 (native_interpret_complex): New function.
9742 (native_interpret_vector): New function.
9743 (fold_view_convert_expr): New function to constant fold/evaluate
9744 a VIEW_CONVERT_EXPR of a suitable constant expression.
9745 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9746 Change call of build1 to fold_build1 when constructing a
9749 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9750 Ulrich Weigand <uweigand@de.ibm.com>
9753 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9756 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9759 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9760 optimize to lo_sum for DFmode if !TARGET_FPRS.
9762 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9764 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9765 delete_alias_info, compute_flow_sensitive_aliasing,
9766 group_aliases): Use VEC instead of VARRAY.
9767 * tree-ssa-structalias.c (update_alias_info): Likewise.
9768 * tree-ssa-structalias.h (alias_info): Change the type of
9769 processed_ptrs to VEC(tree,heap) *.
9771 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9774 * config/sh/lib1funcs.h: New file, broken out of:
9775 * config/sh/lib1funcs.asm.
9776 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9778 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9779 * config/sh/lib1funcs-Os-4-200.asm: New file.
9780 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9781 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9782 (EXTRA_MULTILIB_PARTS): Include it.
9783 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9784 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9785 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9786 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9789 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9791 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9792 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9793 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9795 * tree-ssa-live.h: Include vecprim.h.
9796 (tree_partition_associator_d): Change the type of
9797 first_partition to VEC(int,heap) *.
9798 (tpa_first_partition): Use VEC instead of VARRAY.
9800 * Makefile.in (GTFILES): Move functions.h after tree.h.
9801 * function.c (reset_block_changes, record_block_change,
9802 check_block_change, free_block_changes): Use VEC instead of
9804 * function.h (function): Change the type of
9805 ib_boundaries_block to VEC(tree,gc) *.
9806 * tree-inline.c (copy_cfg_body): Initialize
9807 ib_boundaries_block to NULL instead of (varray_type) 0.
9809 2006-04-12 Roger Sayle <roger@eyesopen.com>
9811 * expr.c (emit_group_store): Correct operand order in call to
9812 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9813 a SUBREG_BYTE of zero.
9815 2006-04-12 Richard Guenther <rguenther@suse.de>
9817 * profile.c (compute_branch_probabilities): Remove code
9818 encapsulated in !ir_type (), which are remanents of the
9819 removed RTL profiling code.
9820 * rtl-profile.c: Remove.
9822 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9824 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9825 magic NULL_RTX comment.
9826 (function_arg): Store entire fp arg to mem if any part should go
9828 (rs6000_arg_partial_bytes): Adjust for above change.
9830 2006-04-11 Roger Sayle <roger@eyesopen.com>
9832 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9833 if it hasn't been initialized by dwarf2out_init.
9835 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9837 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9838 symbolic constants in branch patterns.
9840 2006-04-11 Roger Sayle <roger@eyesopen.com>
9842 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9844 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9846 PR rtl-optimization/27073
9847 * gcse.c (try_replace_reg): Revert last change. Continue to search
9848 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9851 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9853 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9854 aggregate types other than record and union types.
9855 (function_arg): Likewise.
9856 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9858 (function_value): In 64-bit mode, return objects that require it
9861 2006-04-11 Roger Sayle <roger@eyesopen.com>
9863 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9865 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9867 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9869 2006-04-03 Jeff Law <law@redhat.com>
9872 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9873 alias information too.
9875 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9877 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9879 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9882 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9883 (premark_used_types_helper): New.
9884 (premark_used_types): New.
9885 (gen_subprogram_die): Call premark_used_types.
9886 (prune_unused_types_walk): Do not prune perennial dies.
9887 * function.c (used_types_insert): New.
9888 * function.h (struct function): Add used_types_hash field.
9889 (used_types_insert): Add prototype.
9890 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9891 * c-parser.c (c_parser_cast_expression): Save casted types in used
9894 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9897 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9898 rs6000_explicit_options.float_gprs.
9900 2006-04-10 Roger Sayle <roger@eyesopen.com>
9902 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9903 from ix86_expand_vector_init_low_nonzero. Take an additional
9904 one_var argument indicating which element is non-zero. Support
9905 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9906 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9907 with one_var instead of ix86_expand_vector_init_low_nonzero.
9909 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9911 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9912 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9913 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9914 build/genextract.o): Depend on vecprim.h.
9915 * cfglayout.c, df-problems.c, function.c, genextract.c,
9916 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9917 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9921 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9923 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9924 Declare VECs of this type.
9925 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9926 (remove_children): Delete.
9927 (add_dwarf_attr): Use VEC routines.
9928 (add_AT_flag): Update for changes to add_dwarf_attr.
9929 (add_AT_int): Likewise.
9930 (add_AT_unsigned): Likewise.
9931 (add_AT_long_long): Likewise.
9932 (add_AT_vec): Likewise.
9933 (add_AT_string): Likewise.
9934 (add_AT_die_ref): Likewise.
9935 (add_AT_fde_ref): Likewise.
9936 (add_AT_loc): Likewise.
9937 (add_AT_loc_list): Likewise.
9938 (add_AT_addr): Likewise.
9939 (add_AT_lbl_id): Likewise.
9940 (add_AT_lineptr): Likewise.
9941 (add_AT_macptr): Likewise.
9942 (add_AT_offset): Likewise.
9943 (add_AT_range_list): Likewise.
9944 (get_AT): Use VEC_iterate.
9945 (remove_AT): Use VEC_ordered_remove.
9946 (free_die): Fold remove_children into here; have it use VEC_iterate.
9947 (print_die): Use VEC_iterate on attrs.
9948 (reverse_die_lists): Don't reverse attr lists.
9949 (die_checksum): Use VEC_iterate on attrs.
9950 (same_die_p): Likewise.
9951 (output_location_lists): Likewise.
9952 (build_abbrev_table): Likewise.
9953 (size_of_die): Likewise.
9954 (unmark_all_dies): Likewise.
9955 (output_abbrev_section): Likewise.
9956 (output_die): Likewise.
9957 (prune_unused_types_walk_attribs): Likewise.
9959 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9961 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9963 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9966 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9968 2006-04-09 Roger Sayle <roger@eyesopen.com>
9970 * expr.c (store_constructor): Don't bother clearing target if
9971 we're about to assign a vector to it using vec_init_optab.
9973 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9975 * tree-ssa-alias.c (lhs_may_store_to): New function.
9976 (recalculate_used_alone): Handle LHS of calls.
9978 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9982 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9983 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9984 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9985 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9986 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9987 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9988 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9989 stubs. Add ".align 8" directives before all ".dword" directives.
9990 (GTHREAD_USE_WEAK): Revise comment.
9991 (TARGET_ATTRIBUTE_WEAK): Define.
9992 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9993 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9994 * stublib.c: New file.
9999 * pa.md (cbranch patterns): Revise arguments used in calls to
10000 output_cbranch, output_bb and output_bvd. Add long branch length
10002 (fbranch patterns): Handle long branches.
10003 (jump): Revise length check. Revise arguments for output_lbranch call.
10004 Add long branch length attributes.
10005 (decrement_and_branch_until_zero): Add long branch length attributes.
10006 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10007 Likewise. Revise arguments for output_parallel_addb and
10008 output_parallel_movb calls.
10009 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10010 output_parallel_movb and output_parallel_addb): Update prototypes.
10011 * pa.c (output_cbranch): Revise arguments. Correct handling of
10012 nullification in long branches.
10013 (output_lbranch): Add new argument to control extraction of delay
10015 (output_bb): Handle long branches.
10016 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10017 output_parallel_addb): Likewise.
10019 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10021 PR rtl-optimization/27073
10022 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10025 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10027 * tree.h (tree_memory_tag): Add old_used_alone.
10028 (SMT_OLD_USED_ALONE): New macro.
10029 * tree-ssa-alias.c (recalculate_used_alone): Stop
10030 marking things for renaming unnecessarily.
10032 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10034 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10035 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10036 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10037 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10038 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10039 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10040 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10041 spelling convensions.
10042 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10043 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10044 typos. Follow spelling conventions.
10046 2006-04-07 DJ Delorie <dj@redhat.com>
10048 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10049 passed on the stack.
10050 (m32c_init_cumulative_args): When a function returns a structure,
10051 always pass the pointer to that return area on the stack.
10052 (m32c_function_arg_advance): Don't increment the parameter number
10053 if we're processing the returned structure pointer.
10054 (pushm_info): Reverse order of registers.
10056 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10058 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10059 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10060 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10061 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10062 build_int_cst_type.
10063 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10064 chrec_fold_multiply): Same.
10065 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10066 force_expr_to_var_cost): Same.
10067 * tree-mudflap.c (mf_xform_derefs_1): Same.
10068 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10070 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10072 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10073 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10076 2006-04-07 Jan Hubicka <jh@suse.cz>
10078 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10080 2006-04-07 Richard Guenther <rguenther@suse.de>
10082 PR tree-optimization/26135
10083 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10084 loads for store copy-prop.
10085 (copy_prop_visit_stmt): Likewise.
10087 2006-04-05 Robert Millan <robertmh@gnu.org>
10089 * config/i386/linux.h: Add a comment to mark macros that are
10090 being overriden in config/k*bsd-gnu.h.
10091 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10093 * config/knetbsd-gnu.h: Ditto.
10095 2006-04-06 Jan Hubicka <jh@suse.cz>
10099 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10102 2006-04-06 Mike Stump <mrs@apple.com>
10104 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10105 for HAVE_nonlocal_goto to be consistent.
10106 (expand_builtin_nonlocal_goto): Likewise.
10107 (expand_builtin_strcmp): Use #ifdef instead of #if
10108 for HAVE_cmpstrnsi to be consistent.
10110 2006-04-05 DJ Delorie <dj@redhat.com>
10112 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10115 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10117 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10118 got-relative addressing for anything but SImode.
10120 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10121 even if the calling function doesn't modify them.
10123 2006-04-05 Richard Guenther <rguenther@suse.de>
10125 PR tree-optimization/26919
10126 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10127 to cgraph_estimate_size_after_inlining.
10129 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10131 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10133 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10135 PR tree-optimization/26996
10136 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10137 VECTOR_TYPE variables.
10139 2006-04-05 Richard Guenther <rguenther@suse.de>
10141 PR tree-optimization/26763
10142 * fold-const.c (fold_comparison): Move folding of
10143 PTR + CST CMP PTR + CST ...
10144 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10146 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10148 * doc/install.texi (Prerequisites): Refine some wording on
10149 bootstrapping and ksh.
10150 Move the version numbers of DejaGnu here from the testing section
10151 and fix casing of names.
10152 Fix markup and clarify wording for autogen requirements.
10153 Refer to GCJ instead of just java.
10154 Refer to SVN instead of CVS.
10155 Describe diffutils as useful instead of necessary.
10156 (Downloading the source): Refer to SVN instead of CVS.
10157 Adjust a link to our web site accordingly.
10158 (Configuration): Fix casing of Bison.
10159 (Building): Refer to SVN instead of CVS.
10160 Fix a sentence on the use of Bison and remove duplicate (and
10161 incorrect) version number of Bison requirement.
10162 Remove one redundant list of packages needed for building.
10163 (Specific): Avoid reference to CVS.
10165 2006-04-04 Eric Christopher <echristo@apple.com>
10167 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10168 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10169 (rs6000_handle_struct_attribute): New.
10170 (rs6000_ms_bitfield_layout_p): Ditto.
10172 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10174 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10175 NULL for dso parameter to atexit_common.
10177 2006-04-04 Eric Christopher <echristo@apple.com>
10179 * config/i386/i386.c (machopic_output_stub): Output \t
10180 between instructions and operands.
10182 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10184 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10185 satisfies_constraint_[IL] to explicit tests on value.
10187 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10189 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10190 set_nb_iterations_in_loop): Use build_int_cst instead of
10191 build_int_cst_type.
10192 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10193 build_int_cst instead of convert.
10195 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10197 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10198 new value 2 for incoming.
10199 * function.c (expand_function_start): Call struct_value_rtx
10200 with incoming as 2.
10201 * config/sparc/sparc.md: Comment updated_return.
10202 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10203 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10204 struct return if sparc_std_struct_return and incoming is 2.
10205 (print_operand): Do not adjust return if
10206 sparc_std_struct_return.
10208 2006-04-04 Roger Sayle <roger@eyesopen.com>
10210 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10211 convert in the middle-end.
10212 * expr.c (store_expr, store_constructor, get_inner_reference,
10213 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10215 * tree.c (build_range_type): Likewise.
10217 2006-04-04 Tom Tromey <tromey@redhat.com>
10219 * doc/install.texi (Prerequisites): Mention jar.
10221 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10223 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10226 2006-04-04 Matthias Klose <doko@debian.org>
10228 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10232 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10235 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10237 * doc/extend.texi (Function Attributes): Rewrite visibility
10238 attribute documentation.
10239 * doc/invoke.texi (C++ Dialect Options): Rewrite
10240 -fvisibility-inlines-hidden documentation to describe something
10241 entirely different, although in practise compatible.
10242 (Code Gen Options): Warn about system headers in -fvisibility=
10245 * doc/extend.texi (Other Builtins): Document that
10246 __builtin_nan is a compile-time constant only when its argument
10249 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10251 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10252 trying to remove TRUNCATE check if all bits outside the new mode
10253 are identical to the sign bit.
10255 2006-04-03 Jeff Law <law@redhat.com>
10257 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10258 and operand scanning in some common cases.
10260 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10261 Dale Johannesen <dalej@apple.com>
10264 * regclass.c (struct reg_pref): Update documentation.
10265 (regclass): Set prefclass to NO_REGS if memory is the best option.
10266 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10267 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10268 into account. For non-registers, equate an empty preferred
10269 reload class to a `!' in the constraint; move the if clause to
10270 do so after those that reject the insn.
10271 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10273 (find_dummy_reload): Likewise.
10274 * doc/tm.texi (Register Classes): Document what it means
10275 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10276 * config/i386/i386.c (ix86_preferred_reload_class): Force
10277 using SSE registers (and return NO_REGS for floating-point
10278 constants) if math is done with SSE.
10279 (ix86_preferred_output_reload_class): New.
10280 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10281 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10282 * config/i386/i386.md: Remove # register preferences.
10284 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10287 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10288 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10289 the type of nb_iter.
10290 (instantiate_parameters_1): Convert the operands before calling
10291 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10292 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10294 2006-04-02 Roger Sayle <roger@eyesopen.com>
10296 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10297 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10298 instead of convert.
10299 * dojump.c (do_jump): Likewise.
10300 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10301 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10302 gimplify_boolean_expr): Likewise.
10303 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10304 * varasm.c (array_size_for_constructor): Likewise.
10305 * tree-object-size.c (compute_object_offset): Likewise.
10307 2006-04-02 Roger Sayle <roger@eyesopen.com>
10309 PR middle-end/26977
10310 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10311 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10313 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10315 PR tree-optimization/26939
10316 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10318 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10320 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10321 at_stmt. Convert the type of operands before calling
10322 build_polynomial_chrec.
10323 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10324 add_to_evolution_1.
10325 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10326 (instantiate_parameters_1): Convert the type of operands before calling
10327 build_polynomial_chrec.
10328 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10329 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10330 reset_evolution_in_loop): Insert asserts to check the types of the
10332 (chrec_type): Moved...
10333 (eq_evolutions_p): Use operand_equal_p.
10334 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10335 the types of the operands.
10336 (chrec_type): ...here.
10337 * tree-data-ref.c (create_data_ref): Convert the operands before
10338 calling chrec_replace_initial_condition.
10339 (same_access_functions, analyze_subscript_affine_affine,
10340 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10341 (compute_subscript_distance, analyze_ziv_subscript,
10342 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10343 analyze_miv_subscript): Convert the operands before calling
10344 chrec_fold_minus or chrec_fold_plus.
10346 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10348 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10349 the dependence_relations vector.
10350 (compute_data_dependences_for_loop): Adjust call to
10351 compute_all_dependences.
10353 2006-04-01 Roger Sayle <roger@eyesopen.com>
10354 Richard Henderson <rth@redhat.com>
10356 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10357 gimple_boolify on the condition before calling gimplify_expr.
10359 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10361 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10362 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10363 the frame size. Update to use the new macros.
10364 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10365 * config/xtensa/ieee754-df.S: Likewise.
10367 2006-03-31 Richard Henderson <rth@redhat.com>
10369 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10370 (make_edges): ... here. Control fallthru creation with a local
10371 variable. Do not play with fake edges.
10372 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10373 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10376 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10378 * dwarf2.h (DW64_CIE_ID): Define.
10379 * dwarf2out.c (DWARF_CIE_ID): Define.
10380 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10381 length header. Use DWARF_CIE_ID.
10382 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10383 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10385 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10387 * config/sh/linux-atomic.asm: New file.
10388 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10390 2006-03-31 DJ Delorie <dj@redhat.com>
10392 * config/m32c/cond.md: Set condition flags properly throughout.
10393 * config/m32c/minmax.md: Likewise.
10394 * config/m32c/prologue.md: Likewise.
10395 * config/m32c/bitops.md: Likewise.
10396 * config/m32c/muldiv.md: Likewise.
10397 * config/m32c/mov.md: Likewise.
10398 * config/m32c/addsub.md: Likewise.
10399 * config/m32c/m32c.md: Likewise.
10400 * config/m32c/jump.md: Likewise.
10401 * config/m32c/shift.md: Likewise.
10403 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10404 conditionally output the pattern for this.
10405 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10406 (m32c_compare_redundant): New.
10407 (m32c_output_compare): New.
10408 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10410 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10411 dest, not src. Allow other 4-byte modes.
10413 2006-03-30 Denis Chertykov <denisc@overta.ru>
10415 * doc/md.texi: Refer to avr/constraints.md instead of
10418 2006-03-30 Roger Sayle <roger@eyesopen.com>
10420 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10421 signed vs. unsigned comparison failures on some hosts.
10423 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10426 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10427 change to FLOAT_REGS.
10429 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10430 (rs6000_override_options): Use it.
10431 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10432 only for -mabi=spe/no-spe and -mabi=altivec.
10434 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10436 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10439 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10441 * Makefile.in: Rename docdir to gcc_docdir.
10443 2006-03-30 Roger Sayle <roger@eyesopen.com>
10446 * expr.c (emit_group_store): Optimize group stores into a pseudo
10447 register by using a paradoxical subreg to initialize the destination
10448 if the first or last member of the group specifies a "low part".
10450 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10453 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10454 * target.h (struct gcc_target.speculate_insn): Change type of the
10455 second parameter to 'int'.
10456 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10457 the second operand of the DEPS_LIST.
10458 (copy_DEPS_LIST_list): Update reference to the second operand of the
10460 * rtl.h (alloc_DEPS_LIST): Update signature.
10461 * sched-int.h (ds_t): Change typedef to 'int'.
10462 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10464 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10466 * haifa-sched.c (try_ready): Change condition to restore
10467 non-speculative pattern of the instruction.
10468 (process_insn_depend_be_in_spec): Code to keep probability of the
10469 speculative dependence non-decreasing.
10471 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10473 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10474 (single_move_for_movmem): ... this. Also change all uses.
10475 (bfin_expand_strmov): Renamed to...
10476 (bfin_expand_movmem): ... this. Also change all uses.
10477 * config/bfin/bfin.md (movstrsi): Renamed to...
10478 (movstrsi): ...this.
10480 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10482 PR tree-optimization/26830
10484 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10485 (copy_prop_visit_stmt): Remove write-only variable ann.
10486 (init_copy_prop): Check variable loop depth here. Do not simulate
10487 memory-tag and virtual operand PHIs except for store copy prop.
10489 2006-03-30 Richard Guenther <rguenther@suse.de>
10491 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10492 variants with double arguments.
10494 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10496 * genpreds.c (write_tm_constrs_h): Delete variable p.
10497 * genconditions.c (write_header): Add tm-constrs.h to included
10499 * genpeep.c (main): Add toplev.h to included headers.
10500 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10501 (build/genpeep.o): Add toplev.h dependency.
10502 * config/rs6000/constraints.md: Add "W" constraint.
10504 2006-03-29 Roger Sayle <roger@eyesopen.com>
10506 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10507 sizes by correctly testing whether the size fits a host integer.
10508 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10509 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10510 SImode range for the default sizetype and bitsizetype.
10512 2006-03-29 Roger Sayle <roger@eyesopen.com>
10514 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10515 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10516 quickly if the argument is already of the correct type.
10517 Call fold_build1 instead of build1. Tidy up blank lines.
10519 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10521 * genemit.c (main): Add tm-constrs.h to included headers.
10522 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10523 * genpeep.c (main): Add tm-constrs.h to included headers.
10524 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10525 (write_tm_constrs_h): this and write complete file.
10526 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10527 (write_insn_preds_c): Add tm-constrs.h to included headers.
10528 (gen_constrs): New variable.
10529 (parse_option): Parse "-c".
10530 (main): Invoke write_tm_constrs_h.
10531 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10532 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10533 (object_out_file): Add tm-constrs.h dependency.
10534 (insn-emit.o): Same.
10535 (insn-output.o): Same.
10536 (insn-peep.o): Same.
10537 (insn-preds.o): Same.
10538 (insn-recog.o): Same.
10539 (tm-constsr.h): New target.
10540 (s-constrs-h): New target.
10542 * config/rs6000/constraints.md: New file.
10543 * config/rs6000/rs6000.c: Include tm-constrs.h.
10544 (num_insn_constant_wide): Convert to satisfies_constraint.
10545 (rs6000_rtx_costs): Convert to satisfies_constraint.
10546 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10547 (CONST_OK_FOR_LETTER_P): Delete.
10548 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10549 (EXTRA_CONSTRAINT): Delete.
10550 (EXTRA_MEMORY_CONSTRAINT): Delete.
10551 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10552 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10553 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10554 satisfies_constraint.
10556 * config/i386/i386.c: Include tm-constrs.h.
10558 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10560 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10561 * tree-data-ref.c (find_data_references_in_loop,
10562 compute_data_dependences_for_loop): Use pointers to VEC.
10563 (analyze_all_data_dependences): Adjust calls.
10564 * tree-data-ref.h (find_data_references_in_loop,
10565 compute_data_dependences_for_loop): Adjust declarations.
10566 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10567 compute_data_dependences_for_loop.
10569 2006-03-29 Paul Brook <paul@codesourcery.com>
10571 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10572 (movdf_vfp): Ditto.
10574 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10576 PR tree-optimization/26859
10577 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10579 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10580 for the step after fold_convert.
10582 2006-03-29 Paul Brook <paul@codesourcery.com>
10584 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10585 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10587 2006-03-29 Paul Brook <paul@codesourcery.com>
10589 PR middle-end/23623
10590 * targhooks.c (default_narrow_bitfield): New fuction.
10591 * targhooks.h (default_narrow_bitfield): add prototype.
10592 * target.h (gcc_target): Add narrow_volatile_bitfield.
10593 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10594 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10595 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10596 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10598 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10600 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10602 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10603 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10604 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10605 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10606 (s390_function_arg_float): Allow SDmode and DDmode values to be
10607 passed in floating point registers.
10608 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10609 check with SCALAR_FLOAT_MODE_P.
10610 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10612 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10614 PR tree-optimization/25985
10615 * tree-ssa-loop-niter.c (number_of_iterations_le,
10616 number_of_iterations_ne): Make comments more precise.
10617 (number_of_iterations_cond): Add only_exit argument. Use the
10618 fact that signed variables do not overflow only when only_exit
10620 (loop_only_exit_p): New.
10621 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10622 number_of_iterations_cond.
10624 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10626 PR tree-optimization/26643
10627 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10630 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10632 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10633 (divsi3_i4_int): Likewise.
10635 2006-03-28 Roger Sayle <roger@eyesopen.com>
10637 * expr.c (emit_group_store): Only create a new pseudo reg if the
10638 quantity it needs to hold isn't already a suitable pseudo.
10640 2006-03-28 Jeff Law <law@redhat.com>
10642 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10643 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10645 2006-03-28 Roger Sayle <roger@eyesopen.com>
10647 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10648 the equivalent ~X & Y, and the symmetry related transformations.
10649 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10650 ~X & Y, and symmetry related transforms.
10652 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10654 Revert my 2006-03-27 patches.
10656 2006-03-28 Roger Sayle <roger@eyesopen.com>
10658 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10659 ~(T1)X, when T1 and T2 are integer types of the same precision
10660 and (T2)X isn't an extension.
10662 2006-03-28 Jeff Law <law@redhat.com>
10664 PR tree-optimization/26796
10665 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10666 need EH edge cleanups rather than purging them immediately.
10667 (eliminate_degenerate_phis): Handle queued EH cleanups.
10669 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10671 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10674 2006-03-27 Roger Sayle <roger@eyesopen.com>
10676 PR middle-end/22524
10677 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10678 cast BIT_NOT_EXPR operand to the correct type.
10680 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10682 * tree-loop-linear.c: Don't include varray.h.
10683 (gather_interchange_stats, try_interchange_loops,
10684 linear_transform_loops): Use VEC instead of VARRAY.
10685 * lambda-mat.c: Don't include varray.h.
10686 * tree-chrec.c: Same.
10687 * lambda-trans.c: Same.
10688 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10689 VEC instead of VARRAY.
10690 * tree-vectorizer.h: Idem.
10691 * tree-data-ref.c (dump_data_references,
10692 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10693 initialize_data_dependence_relation, finalize_ddr_dependent,
10694 compute_all_dependences, find_data_references_in_loop,
10695 compute_data_dependences_for_loop, analyze_all_data_dependences,
10696 free_dependence_relation, free_dependence_relations,
10697 free_data_refs): Idem.
10698 * tree-data-ref.h (data_reference_p, subscript_p): New.
10699 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10700 VEC instead of VARRAY.
10701 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10702 (find_data_references_in_loop, compute_data_dependences_for_loop,
10703 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10704 dump_data_dependence_relations, free_dependence_relations,
10705 free_data_refs): Adjust declaration.
10706 (lambda_transform_legal_p): Move declaration here...
10707 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10708 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10709 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10710 vect_analyze_data_refs): Use VEC instead of VARRAY.
10711 * lambda.h (lambda_transform_legal_p): ...from here.
10712 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10713 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10714 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10715 tree-chrec.o): Don't depend on VARRAY_H.
10717 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10719 * rtl.def (Copyright): Update date.
10720 (DEPS_LIST): Change type of the second operand to 'int'.
10721 * target.h (Copyright): Update date.
10722 (struct gcc_target.speculate_insn): Change type of the second parameter
10724 * lists.c (Copyright): Update date.
10725 (alloc_DEPS_LIST): Change signature. Update reference to the second
10726 operand of the DEPS_LIST.
10727 (copy_DEPS_LIST_list): Update reference to the second operand of the
10729 * rtl.h (Copyright): Update date.
10730 (alloc_DEPS_LIST): Update signature.
10731 * sched-int.h (Copyright): Update date.
10732 (ds_t): Change typedef to 'int'.
10733 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10735 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10737 * haifa-sched.c (Copyright): Update date.
10738 (try_ready): Change condition to restore non-speculative pattern
10739 of the instruction.
10740 (process_insn_depend_be_in_spec): Code to keep probability of the
10741 speculative dependence non-decreasing.
10743 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10745 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10746 shut up the compiler.
10748 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10750 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10751 to use lib prefix for target.
10752 ($(T)libic_invalidate_array_4-200.a): Likewise.
10753 ($(T)libic_invalidate_array_4a.a): Likewise.
10755 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10756 J"orn Rennecke <joern.rennecke@st.com>
10758 * superh.opt: New file.
10759 * sh.c (boardtype, osruntime): Remove.
10760 * superh.h (SUBTARGET_OPTIONS): Remove.
10761 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10763 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10764 arguments with ^ and/or [].
10766 * config.gcc (sh-*-*): Add quoting to account for quirk of
10768 Replace == with = in enable_incomplete_targets test.
10770 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10771 with MASK_LITTLE_ENDIAN.
10773 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10774 * config/sh/sh.opt: Added to some comments.
10775 * config/sh/superh.h: Removed some chaff.
10777 * config/sh/sh.opt: Add m4-[1234]00* options.
10778 * config/sh/sh.c (sh_handle_option): Likewise.
10779 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10780 (ic_invalidate_array_4-100.o): New rule.
10781 ($(T)libic_invalidate_array_4-100.a): Likewise.
10782 (ic_invalidate_array_4-200.o): Likewise.
10783 ($(T)libic_invalidate_array_4-200.a): Likewise.
10784 (ic_invalidate_array_4a.o): Likewise.
10785 ($(T)libic_invalidate_array_4a.a): Likewise.
10786 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10787 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10789 * config/sh/crt1.asm: Merged in profiling code.
10790 * config/sh/superh.h (STARTFILE_SPEC): Override.
10791 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10792 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10793 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10795 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10796 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10797 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10799 * sh.opt (mpretend-cmove): New option.
10800 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10801 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10802 (movsicc): Add TARGET_PRETEND_CMOVE code.
10804 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10806 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10807 s390_class_max_nregs): New function prototypes.
10808 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10809 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10810 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10811 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10813 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10815 * dwarf2out.c (add_location_or_const_value_attribute): Call
10816 tree_add_const_value_attribute if nothing else works.
10817 (reference_to_unused): New.
10818 (rtl_for_decl_init): Use reference_to_unused to decide whether
10819 to output an initializer.
10821 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10824 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10825 peephole removing spe frob_di_df_2.
10827 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10829 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10830 (subscript_dependence_tester_1): Declared.
10831 (print_dir_vectors, print_dist_vectors): New.
10832 (debug_data_dependence_relation): New.
10833 (dump_data_dependence_relation): Print more details.
10834 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10835 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10836 (save_dist_v, save_dir_v, add_outer_distances,
10837 build_classic_dist_vector_1): New.
10838 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10839 Don't test for lambda_vector_lexico_pos.
10840 (same_access_functions, add_multivariate_self_dist,
10841 add_other_self_distances, dir_from_dist): New.
10842 (build_classic_dir_vector): Replace implementation almost identical to
10843 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10845 (subscript_dependence_tester_1): New.
10846 (subscript_dependence_tester): Handle the lexicographically negative
10847 distance vectors by recomputing the dependence relation.
10848 (compute_affine_dependence): Remove parameter loop_nest_depth.
10849 (compute_self_dependence): Don't call compute_subscript_distance.
10850 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10851 Add a parameter for the loop_nest.
10852 (find_loop_nest_1, find_loop_nest): New.
10853 (compute_data_dependences_for_loop): Compute the loop nest, and give
10854 up if the nest is not well formed.
10855 * tree-data-ref.h (loop_p): New.
10856 (struct data_dependence_relation): Replace size_vect field with
10857 loop_nest, a vec of loops.
10858 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10859 (DDR_LOOP_NEST): New.
10860 (print_dir_vectors, print_dist_vectors,
10861 debug_data_dependence_relation): Declared.
10862 (index_in_loop_nest): New.
10863 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10864 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10867 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10869 * simplify-rtx.c (simplify_relational_operation): Call
10870 simplify_relational_operation_1 even if mode is VOIDmode.
10872 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10874 PR tree-optimization/26804
10875 * tree.h (DECL_CALL_CLOBBERED): New macro.
10876 (tree_decl_common): Add call_clobbered_flag.
10877 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10878 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10879 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10880 (mark_non_addressable): Ditto.
10881 * tree-ssa.c (verify_call_clobbered): New function.
10882 (verify_alias_info): Use it.
10883 * tree-pass.h (pass_reset_cc_flags): New prototype.
10884 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10885 (reset_cc_flags): New function.
10886 * passes.c (init_optimization_passes): Call reset_cc_flags after
10887 initializing referenced_vars.
10889 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10890 Roger Sayle <roger@eyesopen.com>
10892 PR middle-end/26717
10893 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10894 to 1.0 for non-real operands. Implement A / A optimization for
10897 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10899 * config/i386/i386.c (size_cost): Correct the comment for
10900 cost of storing fp registers.
10901 (i386_cost): Likewise.
10902 (i486_cost): Likewise.
10903 (pentium_cost): Likewise.
10904 (pentiumpro_cost): Likewise.
10905 (k6_cost): Likewise.
10906 (athlon_cost): Likewise.
10907 (k8_cost): Likewise.
10908 (pentium4_cost): Likewise.
10909 (nocona_cost): Likewise.
10910 (generic64_cost): Likewise.
10911 (generic32_cost): Likewise.
10913 2006-03-24 Denis Chertykov <denisc@overta.ru>
10915 * config/avr/avr-protos.h (extra_constraint): Delete.
10916 (extra_constraint_Q): New declaration.
10917 * config/avr/constraints.md: New file.
10918 * config/avr/avr.md: Include it.
10919 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10920 (TMP_REGNO, ZERO_REGNO): Likewise.
10921 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10922 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10923 (extra_constraint): Delete.
10924 (extra_constraint_Q): Test for memory constraint 'Q'.
10925 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10926 (REG_CLASS_FROM_LETTER): Delete.
10927 (CONST_OK_FOR_LETTER_P): Delete.
10928 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10929 (EXTRA_CONSTRAINT): Delete.
10930 (TMP_REGNO): Delete.
10931 (ZERO_REGNO): Delete.
10933 2006-03-24 Jeff Law <law@redhat.com>
10935 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10936 directly. Call mark_new_vars_to_rename slightly earlier.
10938 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10940 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10941 (is_cxx): Likewise.
10942 (gen_compile_unit_die): Use new language types for Objective-C and
10944 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10945 DW_LANG_C_plus_plus.
10948 * config/t-darwin (crt3.o): Work around bug 26840.
10949 * config/darwin-crt3.c: Rewrite.
10950 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10952 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10954 * doc/invoke.texi: Document -femit-class-debug-always
10955 * common.opt: Add -femit-class-debug-always.
10957 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10959 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10960 index and base register.
10961 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10962 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10963 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10964 REGNO_OK_FOR_INDEX_P.
10965 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10967 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10968 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10969 REG_OK_FOR_BASE_P): Definitions removed.
10971 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10973 PR middle-end/26611
10974 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10975 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10976 set yet or weren't marked as local yet.
10978 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10980 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10983 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10985 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10986 (rs6000_legitimate_small_data_p): Delete.
10987 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10988 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10989 and make static. Add forward declaration. Update uses.
10990 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10991 of offsettable_memref_p.
10992 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10993 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10995 2006-03-24 Jeff Law <law@redhat.com>
10997 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10998 around bug in immediate-use iterator.
11000 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11003 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11004 or __LITTLE_ENDIAN__.
11006 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11008 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11009 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11010 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11011 * config/sh/sh.opt (mdiv=): Amend description.
11012 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11013 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11014 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11015 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11016 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11017 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11018 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11019 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11020 TARGET_DIVIDE_CALL_FP.
11022 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11024 * haifa-sched.c (choose_ready): Fix type of the local variable.
11025 Move local variables. Add comment.
11026 (check_reg_live): Change signature. Make callable from debugger.
11027 * sched-int.h (check_reg_live): Update signature.
11028 * sched-ebb.c (check_reg_live): Update parameters.
11029 * sched-rgn.c (check_reg_live): Ditto.
11030 (region_head_or_leaf_p): Check pointer before dereferencing.
11031 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11032 before reload on optimization levels below 1.
11034 2006-03-23 Richard Henderson <rth@redhat.com>
11036 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11040 * config/alpha/predicates.md (local_symbolic_operand): Reject
11043 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11046 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11047 expressions which have overflowed constants.
11049 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11051 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11053 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11055 * cfgloopmanip.c (create_loop_notes): Removed.
11056 * final.c (final_scan_insn): Do not handle loop notes.
11057 * jump.c (squeeze_notes): Ditto.
11058 * cfglayout.c (skip_insns_after_block,
11059 duplicate_insn_chain): Ditto.
11060 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11062 * cfgloop.h (create_loop_notes): Declaration removed.
11064 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11066 * varasm.c (output_constant_pool): Restore fnname and fndecl
11068 (assemble_start_function): Adjust call accordingly.
11069 (assemble_end_function): Likewise.
11071 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11074 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11077 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11079 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11082 * system.h (ICE_EXIT_CODE): New macro.
11083 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11084 (diagnostic_action_after_output): Likewise.
11085 * gcc.c (fatal_ice): New function.
11086 (execute): Use it instead of fatal.
11087 (fancy_abort): Likewise.
11088 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11090 2006-03-22 Jeff Law <law@redhat.com>
11092 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11093 iv_analyze_result returning false.
11095 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11097 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11099 2006-03-22 Richard Henderson <rth@redhat.com>
11101 PR middle-end/26084
11102 * except.c (duplicate_eh_regions_0): New.
11103 (duplicate_eh_region_1): Duplicate the children of the node as
11104 well as the node itself. Link them up properly.
11105 (duplicate_eh_region_2): Merge into ...
11106 (duplicate_eh_regions): ... here. Take copy_region argument, and
11107 copy only a sub-tree if asked. Simplify copying and fixup.
11108 (eh_region_outer_p): New.
11109 * except.h (duplicate_eh_regions): Update decl.
11110 (eh_region_outer_p): Declare.
11111 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11112 (lower_omp_master): Likewise.
11113 (lower_omp_ordered): Likewise.
11114 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11115 (move_stmt_r): Use it to remap labels. Handle recursion vs
11116 remap_decls_p properly.
11117 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11118 (find_outermost_region_in_block): New.
11119 (new_label_mapper): New.
11120 (move_sese_region_to_fn): Copy eh information to the new function
11122 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11124 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11127 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11129 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11130 into shared libraries.
11132 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11134 * doc/md.texi: Refer to i386/constraints.md instead of
11135 i386/predicates.md.
11136 * config/i386/constraints.md: New file, extracted from...
11137 * config/i386/predicates.md: ...here.
11138 * config/i386/i386.md: Include constraints.md.
11140 2006-03-21 Jason Merrill <jason@redhat.com>
11142 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11144 PR middle-end/20297
11145 * expr.c (init_block_move_fn): Force default visibility.
11146 (init_block_clear_fn): Likewise.
11147 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11148 * targhooks.c (default_external_stack_protect_fail): Likewise.
11150 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11152 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11153 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11154 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11155 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11156 (loadgp): Use mips_current_loadgp_style.
11157 (loadgp_noshared): New pattern.
11158 (sibcall_internal): Use MIPS_CALL.
11159 (sibcall_value_internal): Likewise.
11160 (sibcall_value_multiple_internal): Likewise.
11161 (call_internal): Likewise.
11162 (call_value_internal): Likewise.
11163 (call_value_multiple_internal): Likewise.
11164 (call_split): Use MIPS_CALL and add an 'S' constraint.
11165 (call_value_split): Likewise.
11166 (call_value_multiple_split): Likewise.
11167 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11168 (-mshared): New option.
11169 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11170 (mips_current_loadgp_style): Declare.
11171 * config/mips/mips.c (mips_classify_symbol): Avoid using
11172 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11173 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11174 TARGET_ABSOLUTE_ABICALLS.
11175 (override_options): Adjust comments. Improve the warning that is
11176 issued when -mabicalls and -G are used together.
11177 (mips_file_start): Remove comment.
11178 (mips_current_loadgp_style): New function.
11179 (mips_gnu_local_gp): New variable.
11180 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11182 (mips_output_function_prologue): Use mips_current_laodgp_style.
11183 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11184 the cprestore instruction.
11185 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11186 live for TARGET_ABSOLUTE_ABICALLS.
11187 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11188 (ASM_SPEC): Pass down -mshared and -mno-shared.
11189 (MIPS_CALL): New macro.
11190 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11192 * doc/invoke.texi (-mabicalls): Update documentation.
11193 (-mshared): Document.
11195 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11197 * config/ia64/unwind-hpux.c: New file.
11198 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11200 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11203 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11205 2006-03-21 Jeff Law <law@redhat.com>
11207 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11208 type conversions of a VR_VARYING source to a wider type.
11210 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11212 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11213 tm_file on Solaris 10 and later.
11214 (sparc64-*-solaris2*): Likewise.
11215 (sparc-*-solaris2*): Likewise.
11216 * config/sol26.h: Rename to config/sol2-6.h.
11217 * config/sol2-10.h: New file.
11219 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11222 * tree-ssa-pre.c (create_component_ref_by_pieces):
11225 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11228 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11229 return it immediately.
11231 2006-03-21 Michael Matz <matz@suse.de>
11233 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11235 (remove_arc, add_arc): Update num_out_arcs member.
11236 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11238 (cache_presence): New function.
11239 (compare_states_for_equiv): New function.
11240 (state_is_differed): Don't take number of outargs, adjust callers.
11241 Use new invariant for speeding up.
11242 (init_equiv_class): Create initial classes based on sorted
11244 (partition_equiv_class): Don't track out_arcs_num.
11245 (evaluate_equiv_classes): Call cache_presence on all states and
11248 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11250 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11251 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11252 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11253 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11255 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11256 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11257 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11258 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11259 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11261 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11262 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11263 (REGNO_REG_CLASS): ARGP is in PREGS.
11264 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11266 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11267 to deal with those addresses.
11268 * addresses.h: New file.
11269 * caller-save.c: Include "addresses.h".
11270 (init_caller_save): Use new base_reg_class function.
11271 * rtl-factoring.c: Include "addresses.h".
11272 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11273 * recog.c: Include "addresses.h".
11274 (preprocess_constraints): Use new base_reg_class function.
11275 * regrename.c: Include "addresses.h".
11276 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11277 functions. Keep track of a new var INDEX_CODE to compute valid
11279 (replace_oldest_value_addr): Likewise.
11280 (replace_oldest_value_mem): Use base_reg_class.
11281 * reload.c: Include "addresses.h".
11282 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11283 (find_reloads): Use new base_reg_class function.
11284 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11285 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11286 all callers and prototype changed.
11287 * reload1.c: Include "addresses.h".
11288 (maybe_fix_stack_asms): Use base_reg_class.
11289 * regclass.c: Include "addresses.h".
11290 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11291 (init_reg_autoinc): Use new base_reg_class function.
11292 (record_reg_classes): Likewise.
11293 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11294 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11295 Use new args to compute necessary class.
11297 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11298 regrename.o, rtl-factoring.o): Update dependencies.
11299 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11300 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11301 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11302 REG_OK_FOR_INDEX_P): Delete documentation.
11304 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11306 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11307 from V7 to V9 for Solaris 7 and above.
11309 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11311 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11312 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11313 argument pointers may not alias any other storage.
11314 * common.opt: Define option -fargument-noalias-anything.
11315 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11316 alias semantics is specified by flag_argument_noalias > 2.
11318 2006-03-20 Jeff Law <law@redhat.com>
11320 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11321 (pass_phi_only_cprop): Declare.
11322 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11323 with phi_only_cprop
11324 * tree-ssa-dom.c (degenerate_phi_result): New function.
11325 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11326 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11327 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11328 (eliminate_degenerate_phis): Likewise.
11329 (pass_phi_only_cprop): New pass descriptor.
11330 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11331 support code. Callers updated.
11332 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11333 (store_copy_prop): Likewise.
11334 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11336 2006-03-20 Jason Merrill <jason@redhat.com>
11339 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11340 (push_visibility, pop_visibility): Likewise.
11341 * c-pragma.h: Declare them.
11343 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11345 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11347 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11348 parameter and use get_ebb_head_tail.
11349 (sh_md_init_global): Adjust uses of find_regmode_weight.
11351 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11353 * function.h (struct function) <x_tail_recursion_reentry>:
11354 Rename to x_stack_check_probe_note.
11355 (tail_recursion_reentry): Rename to stack_check_probe_note.
11356 * function.c: Replace tail_recursion_reentry with
11357 stack_check_probe_note everywhere.
11358 (expand_function_start): Only emit a note for
11359 stack_check_probe_note with -fstack-protect.
11360 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11362 * emit-rtl.c (remove_unnecessary_notes): Remove.
11363 (pass_remove_unnecessary_notes): Remove.
11364 * rtl.h (remove_unnecessary_notes): Remove prototype.
11365 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11366 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11367 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11369 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11372 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11373 (valid_in_set): Handle ARRAY_REF.
11374 Change "if min_variant or VH" to asserts.
11375 (create_component_ref_by_pieces): Handle ARRAY_REF.
11376 (create_expression_by_pieces): Likewise.
11377 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11379 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11381 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11382 is operand of switch, not str[0].
11384 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11386 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11387 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11389 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11391 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11392 end of insn_extra_address_constraint declaration.
11394 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11396 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11397 (no-sum-in-toc): Same.
11398 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11400 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11401 NO_FP_IN_TOC for -fPIC instead of mask.
11403 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11404 (BOOT_LDFLAGS): Delete.
11406 * config/rs6000/t-aix52: Same.
11408 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11409 (stmsi[345678]_power): New.
11411 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11413 * config/ia64/ia64.opt: Add empty line to end of file.
11415 2006-03-17 Richard Guenther <rguenther@suse.de>
11417 PR middle-end/26721
11418 * builtins.c (get_pointer_alignment): For component style references
11419 adjust alignment to the component type alignment. Make sure
11420 to adjust alignment for component access of constants.
11422 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11424 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11425 unconditional jump.
11427 2006-03-17 Paul Brook <paul@codesourcery.com>
11429 * doc/install.texi: Docuemnt --with-mode.
11430 * config.gcc: Add --with-mode for arm*-*-*.
11431 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11433 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11435 * sh.c (max_labelno_before_reorg): New variable.
11436 (sh_reorg): Initialize it.
11437 (find_barrier): Check max_labelno_before_reorg before using
11438 label_to_alignment. Take length of explicit alignment insns
11439 into account. When seeing a UNSPECV_CONST_END, return it.
11441 * sh.c (fixup_mova): Set mode of affected label to QImode.
11442 (untangle_mova): New function.
11443 (find_barrier): Use it. Check mode of label before decrementing
11445 (sh_reorg): Likewise.
11446 Set mode of all insns back to VOIDmode.
11448 * sh.c (MOVA_LABELREF): New macro.
11449 (mova_p, fixup_mova, sh_reorg): Use it.
11450 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11451 ADDR_DIFF_VEC matches mova.
11453 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11455 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11456 with ATTRIBUTE_UNUSED.
11458 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11460 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11461 pointer, instead of assuming it is possible to derive the
11462 correct args size from a call insn.
11464 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11466 * rtl.h (CONST_INT_P): Define.
11467 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11468 instead of GET_CODE(x) == CONST_INT.
11469 (vax_rtx_costs): Likewise.
11470 (vax_output_int_move): Likewise.
11471 (vax_output_int_add): Likewise.
11472 (legitimate_constant_address_p): Likewise.
11473 (index_term_p): Likewise.
11474 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11475 * config/vax/vax.md (and<mode>3): Likewise.
11476 (ashrsi3): Likewise.
11478 (movstricthi): Likewise.
11479 (movstrictqi): Likewise.
11480 (rotrsi3): Likewise.
11481 (five unnamed insns): Likewise.
11483 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11485 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11486 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11487 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11488 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11489 Pass to ASM_OUTPUT_DWARF_OFFSET.
11490 * dwarf2out.c (debug_frame_section): New.
11491 (output_call_frame_info): Use debug_frame_section. Pass it to
11492 dw2_asm_output_offset.
11493 (output_die): Pass appropriate section to dw2_asm_output_offset.
11494 (output_compilation_unit_header): Likewise.
11495 (output_pubnames): Likewise.
11496 (output_aranges): Likewise.
11497 (enum dw_val_class): Break dw_val_class_lbl_offset into
11498 dw_val_class_lineptr and dw_val_class_macptr.
11499 (add_AT_lbl_offset): Delete.
11500 (add_AT_lineptr): New.
11501 (add_AT_macptr): New.
11502 (AT_lbl): Expect a lineptr or macptr.
11503 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11504 (attr_checksum): Likewise.
11505 (same_dw_val_p): Likewise.
11506 (size_of_die): Likewise.
11507 (value_format): Likewise.
11508 (output_die): Likewise.
11509 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11511 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11512 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11513 * config/darwin-protos.h (darwin_file_start): New.
11514 (darwin_asm_output_dwarf_offset): New.
11515 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11516 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11518 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11519 if not EH section; simplify.
11520 (darwin_file_start): New.
11521 (darwin_asm_output_dwarf_offset): New.
11522 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11524 (DEBUG_INFO_SECTION): Likewise.
11525 (DEBUG_ABBREV_SECTION): Likewise.
11526 (DEBUG_ARANGES_SECTION): Likewise.
11527 (DEBUG_MACINFO_SECTION): Likewise.
11528 (DEBUG_LINE_SECTION): Likewise.
11529 (DEBUG_LOC_SECTION): Likewise.
11530 (DEBUG_PUBNAMES_SECTION): Likewise.
11531 (DEBUG_STR_SECTION): Likewise.
11532 (DEBUG_RANGES_SECTION): Likewise.
11533 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11534 (ASM_OUTPUT_DWARF_OFFSET): New.
11536 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11538 * config.gcc (tm_defines): Always add to previous value rather
11541 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11543 * config/mips/predicates.md (splittable_const_int_operand): New,
11544 split from move_operand.
11545 (splittable_symbolic_operand): New.
11546 (move_operand): Add commentary. Use splittable_const_int_operand.
11547 Inline mips_atomic_symbolic_constant_p.
11548 * config/mips/mips.md: Add combine splitters for handling moves
11549 of splittable_const_int_operands and splittable_symbolic_operands.
11550 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11551 (mips_split_symbol): Declare.
11552 (mips_move_integer): Declare.
11553 * config/mips/mips.c (mips_split_p): Make global.
11554 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11555 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11556 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11557 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11558 (mips_offset_within_object_p): Handle block symbols.
11559 (mips_atomic_symbolic_constant_p): Delete.
11560 (mips_cannot_force_const_mem): Return false for constants that
11561 mips_legitimize_move can handle.
11562 (mips_use_blocks_for_constant_p): New function.
11563 (mips_split_symbol): Make global.
11564 (mips_move_integer): Likewise. Add a temporary register argument.
11565 (mips_legitimize_const_move): Use splittable_const_int_operand and
11566 splittable_symbolic_operand.
11567 (mips_use_anchors_for_symbol_p): New function.
11568 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11569 (mips_split_p): Declare.
11571 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11573 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11574 (mips*-*-linux*): Likewise.
11576 2006-03-16 Roger Sayle <roger@eyesopen.com>
11577 Daniel Speyer <dspeyer@wam.umd.edu>
11579 PR middle-end/18259
11580 * tree-dump.c (dump_real): New function.
11581 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11582 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11583 (tree-dump.o): Add $(REAL_H) to the dependencies.
11585 2006-03-16 Roger Sayle <roger@eyesopen.com>
11587 PR middle-end/21781
11588 * real.c (real_from_string): If the mantissa is zero, don't bother
11589 parsing the exponent as the result should always be zero.
11591 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11593 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11595 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11597 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11598 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11599 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11600 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11601 ia64_sched_finish_global): New static functions to implement
11602 hooks from gcc_target.sched.
11603 (spec_check_no, max_uid, pending_data_specs): New static variables.
11604 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11605 ia64_spec_check_src_p): New static functions.
11606 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11607 (TARGET_SCHED_ADJUST_COST): Removed.
11608 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11609 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11610 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11611 TARGET_SCHED_GEN_CHECK,
11612 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11613 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11614 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11615 Fixed to handle speculation checks.
11616 (rtx_needs_barrier): Fixed to handle speculative loads and
11618 (ia64_variable_issue): Added code to count speculative loads and their
11620 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11622 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11624 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11626 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11627 (ia64_reorg): Reset stops_p to NULL after it is freed.
11628 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11629 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11630 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11632 (data_speculative, control_speculative, check_load): New attributes.
11633 (mov<mode>_advanced, mov<mode>_speculative,
11634 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11635 zero_extend<mode>di2_speculative,
11636 zero_extend<mode>di2_speculative_advanced): New patterns for
11637 data and control speculative loads.
11638 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11640 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11641 New pattern for data and control speculation checks.
11642 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11643 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11644 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11645 Auxiliary definitions for the patterns.
11646 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11647 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11649 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11651 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11652 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11653 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11654 New resource constraints.
11655 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11657 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11658 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11659 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11660 msched-in-control-spec, msched-ldc, msched-control-ldc,
11661 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11662 msched-prefer-non-control-spec-insns,
11663 msched-count-spec-in-critical-path): New flags to tune speculative
11665 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11666 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11667 msched-in-control-spec, msched-ldc, msched-control-ldc,
11668 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11669 msched-prefer-non-control-spec-insns,
11670 msched-count-spec-in-critical-path): Document new flags.
11672 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11674 * target.h (struct spec_info_def): New opaque declaration.
11675 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11676 speculate_insn, needs_block_p, gen_check,
11677 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11678 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11679 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11680 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11681 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11682 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11684 (TARGET_SCHED): Use new macros.
11685 * rtl.h (copy_DEPS_LIST_list): New prototype.
11686 * sched-int.h (struct sched_info): Change signature of new_ready field,
11687 adjust all initializations. New fields: add_remove_insn,
11688 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11689 region_head_or_leaf_p.
11690 (struct spec_info_def): New structure declaration.
11691 (spec_info_t): New typedef.
11692 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11693 recovery_block, orig_pat.
11694 (glat_start, glat_end): New variables declaraions.
11695 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11697 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11698 DETACH_LIFE_INFO, USE_GLAT.
11699 (enum SPEC_SCHED_FLAGS): New enumeration.
11700 (NOTE_NOTE_BB_P): New macro.
11701 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11702 attach_life_info, debug_spec_status, check_reg_live): New functions.
11703 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11704 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11706 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11707 * ddg.c (get_block_head_tail): Adjust all uses.
11708 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11709 (sms_sched_info): Initialize new fields.
11710 (contributes_to_priority): Removed.
11711 * haifa-sched.c (params.h): New include.
11712 (get_block_head_tail): Adjust all uses.
11713 (ISSUE_POINTS): New macro.
11714 (glat_start, glat_end): New global variables.
11715 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11716 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11717 old_last_basic_block, before_recovery, current_sched_info_var,
11718 rgn_n_insns, luid): New static variables.
11719 (insn_cost1): New function. Move logic from insn_cost to here.
11720 (find_insn_reg_weight1): New function. Move logic from
11721 find_insn_reg_weight to here.
11722 (reemit_notes, move_insn, max_issue): Change signature.
11723 (move_insn1): Removed.
11724 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11725 extend_bb): New static functions to support extension of scheduler's
11727 (generate_recovery_code, process_insn_depend_be_in_spec,
11728 begin_speculative_block, add_to_speculative_block,
11729 init_before_recovery, create_recovery_block, create_check_block_twin,
11730 fix_recovery_deps): New static functions to support
11731 generation of recovery code.
11732 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11733 restore_bb_notes, move_block_after_check, move_succs): New static
11734 functions to support ebb scheduling.
11735 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11736 functions to support handling of register live information.
11737 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11738 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11739 add_jump_dependencies): New static functions.
11740 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11741 consistancy checking.
11742 (debug_spec_status): New function to call from debugger.
11743 (priority): Added code to handle speculation checks.
11744 (rank_for_schedule): Added code to distinguish speculative instructions.
11745 (schedule_insn): Added code to handle speculation checks.
11746 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11747 Fixed to handle ebbs.
11748 (move_insn): Added code to handle ebb scheduling.
11749 (max_issue): Added code to use ISSUE_POINTS of instructions.
11750 (choose_ready): Added code to choose between speculative and
11751 non-speculative instructions.
11752 (schedule_block): Added code to handle ebb scheduling and scheduling of
11753 speculative instructions.
11754 (sched_init): Initialize new variables.
11755 (sched_finish): Free new variables. Print statistics.
11756 (try_ready): Added code to handle speculative instructions.
11757 * lists.c (copy_DEPS_LIST_list): New function.
11758 * sched-deps.c (extend_dependency_caches): New function. Move logic
11759 from create_dependency_caches to here.
11760 (get_dep_weak, ds_merge): Make global.
11761 * genattr.c (main): Code to output prototype for
11762 dfa_clear_single_insn_cache.
11763 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11764 (output_dfa_clean_insn_cache_func): Code to output
11765 dfa_clear_single_insn_cache function.
11766 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11768 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11770 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11771 New static variables.
11772 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11773 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11775 (ebb_sched_info): Initialize new fields.
11776 (get_block_head_tail): Adjust all uses.
11777 (compute_jump_reg_dependencies): Fixed to use glat_start.
11778 (schedule_ebb): Code to remove unreachable last block.
11779 (schedule_ebbs): Added code to update register live information.
11780 * sched-rgn.c (region_sched_info): Initialize new fields.
11781 (get_block_head_tail): Adjust all uses.
11782 (last_was_jump): Removed. Adjust users.
11783 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11784 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11785 Implement new hooks.
11786 (check_dead_notes1): New static function.
11787 (struct region): New fields: dont_calc_deps, has_real_ebb.
11788 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11789 (BB_TO_BLOCK): Fixed to handle EBBs.
11790 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11791 (ebb_head): New static variable.
11792 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11793 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11795 (compute_dom_prob_ps): New assertion.
11796 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11797 global_live_at_start.
11798 (init_ready_list): New assertions.
11799 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11800 (new_ready): Add support for BEGIN_CONTROL speculation.
11801 (schedule_insns): Fixed code that updates register live information
11803 (schedule_region): Fixed to handle EBBs.
11804 (init_regions): Use extend_regions and check_dead_notes1.
11805 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11806 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11807 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11808 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11809 TARGET_SCHED_GEN_CHECK,
11810 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11811 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11812 * doc/invoke.texi (max-sched-insn-conflict-delay,
11813 sched-spec-prob-cutoff): Document.
11815 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11817 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11818 inter_tick, queue_index.
11819 (struct sched_info): Change signature of init_ready_list field.
11820 Adjust all initializations.
11821 (RESOLVED_DEPS): New access macro.
11822 (ready_add): Remove prototype.
11823 (try_ready): Add prototype.
11824 * sched-rgn.c (init_ready_list): Use try_ready.
11825 (schedule_region): Initialize
11826 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11827 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11828 (init_ready_list): Use try_ready.
11829 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11830 * lists.c (remove_list_elem): Remove `static'.
11831 (remove_free_INSN_LIST_elem): New function.
11832 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11833 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11834 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11836 (readyp): New variable.
11837 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11838 change_queue_index, resolve_dep): New static functions.
11839 (try_ready): New function. Adjust callers in sched-rgn.c and
11840 sched-ebb.c to use it instead of ready_add.
11841 (clock_var): Move at the begining of file.
11842 (rank_for_schedule): Fix typo.
11843 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11844 (ready_lastpos): Enforce assertion.
11845 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11846 update all callers.
11847 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11848 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11849 (queue_to_ready): Use free_INSN_LIST_list.
11850 (early_queue_to_ready): Fix typo.
11851 (schedule_block): Init readyp. Move init_ready_list call after the
11852 initialization of clock_var. Fix error in rejecting insn by
11853 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11854 that previously corrected INSN_TICKs. Add code for handling
11856 (set_priorities): Fix typo.
11857 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11858 Clarify comment and code that keeps current_sched_info->next_tail
11861 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11863 * sched-rgn.c (extend_rgns): New static function.
11864 (find_rgns): Use it.
11865 (gather_region_statistics, print_region_statistics): New static
11867 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11868 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11870 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11871 Andrey Belevantsev <abel@ispras.ru>
11873 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11874 * lists.c (unused_deps_list): New variable.
11875 (free_list): Add assertions to verify the proper distinguishing
11876 between INSN_LISTs and DEPS_LISTs.
11877 (find_list_elem, remove_list_elem, remove_list_node): New static
11879 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11880 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11881 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11882 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11884 (free_INSN_LIST_node): Likewise.
11885 * modulo-sched.c (current_sched_info): Initialize flags field.
11886 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11887 * rtl.def (DEPS_LIST): Define.
11888 * rtl.h: Declare new functions from lists.c.
11889 * sched-deps.c (spec_dependency_cache): New static variable.
11890 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11891 (add_dependence): Change return type to void. Move the logic to ...
11892 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11893 (delete_all_dependences): Add comment about forward_dependency_cache.
11894 Handle spec_dependency_cache. Handle DEPS_LISTs.
11895 (fixup_sched_groups): Clarify the change of priority of output
11896 and anti dependencies.
11897 (sched_analyze_2): Adjust add_dependence calls to create data
11898 speculative dependence.
11899 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11900 Adjust all callers. Handle DEPS_LISTS.
11901 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11902 presence of speculation.
11903 (init_dependency_caches, free_dependency_caches):
11904 Handle spec_dependency_cache.
11905 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11906 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11907 New static functions.
11908 (add_or_update_back_dep, add_or_update_back_forw_dep,
11909 add_back_forw_dep, delete_back_forw_dep): New functions.
11910 * sched-int.h (ds_t, dw_t): New typedefs.
11911 (struct sched_info): Add new field flags.
11912 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11913 Prototype new sched-deps.c functions.
11914 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11915 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11916 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11917 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11918 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11919 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11921 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11923 * sched-rgn.c (current_sched_info): Initialize flags field.
11924 (schedule_insns): Initialize current_sched_info before the sched_init
11926 * sched-ebb.c (current_sched_info): Initialize flags field.
11927 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11928 Call add_or_update_back_dep instead of add_dependence.
11929 Create control speculative dependencies.
11930 (schedule_insns): Initialize current_sched_info before the sched_init
11933 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11935 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11937 (sh_fallback_frame_state): Likewise.
11939 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11941 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11942 Do switch on default_use_cxa_atexit.
11943 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11944 * config/darwin-crt3.o: New.
11945 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11946 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11947 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11949 * config/rs6000/t-darwin: Move crt2.o building to here.
11950 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11951 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11954 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11956 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11957 from '! xxx' to '!xxx' for coding-style conformance.
11958 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11959 (EXTRA_CONSTRAINT): Likewise.
11960 * config/vax/vax.md (four unnamed insns): Likewise.
11962 2006-03-15 Paul Brook <paul@codesourcery.com>
11964 * config/arm/arm.c (minipool_pad): New.
11965 (add_minipool_forward_ref): Include pool alignment padding in address
11967 (push_minipool_fix): Set minipool_pad.
11968 (minipool_pad): Ditto.
11970 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11972 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11973 instead of GET_CODE() == MEM and REG_P() instead of
11975 (print_operand_address): Likewise.
11976 (vax_address_cost): Likewise.
11977 (vax_rtx_costs): Likewise.
11978 (vax_notice_update_cc): Likewise.
11979 (vax_output_int_add): Likewise.
11980 (INDEX_REGISTER_P): Likewise.
11981 (BASE_REGISTER_P): Likewise.
11982 (nonindexed_address_p): Likewise.
11983 (vax_mode_dependent_address_p): Likewise.
11984 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11985 (PRINT_OPERAND): Likewise.
11986 * config/vax/vax.md (ashlsi3): Likewise.
11987 (ashlsi3): Likewise.
11988 (some more unnamed insns): Likewise.
11990 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11992 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11993 iterator-style macro.
11994 (mark_control_dependent_edges_necessary): Update the use of
11995 EXECUTE_IF_CONTROL_DEPENDENT.
11997 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11999 * config/sh/predicates.md (cache_address_operand): Special.
12000 (ua_address_operand): Likewise.
12002 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12004 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12006 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12008 2006-03-15 Andreas Schwab <schwab@suse.de>
12010 * gensupport.c (identify_predicable_attribute): Don't free p_false
12011 when it is still in use.
12013 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12015 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12016 the default setting here.
12018 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12020 * tree-pass.h (pass_cfg): Remove.
12021 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12022 * passes.c (pass_cfg): Don't run it.
12024 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12026 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12027 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12029 (stack_regs_mentioned): Update the uses of
12030 stack_regs_mentioned_data. Don't access the array beyond its
12032 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12033 Don't include gt-reg-stack.h.
12035 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12036 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12038 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12040 PR middle-end/26684
12041 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12044 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12046 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12048 2006-03-14 Richard Guenther <rguenther@suse.de>
12050 PR tree-optimization/26672
12051 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12054 2006-03-14 Richard Guenther <rguenther@suse.de>
12056 PR tree-optimization/26667
12057 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12058 node for the callees. Always allow inlining if it will shrink
12061 2006-03-14 Richard Guenther <rguenther@suse.de>
12063 PR middle-end/26659
12064 * builtins.c (get_pointer_alignment): Prefer alignment
12065 information from decls over that from types.
12067 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12070 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12072 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12074 * config/rs6000/rs6000.opt (mdlmzb): New option.
12075 (msched-prolog, msched-epilog): Use Var not Mask.
12076 * doc/invoke.texi (-mdlmzb): Document.
12077 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12079 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12080 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12082 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12084 PR rtl-optimization/25739
12085 * bt-load.c (augment_live_range): Free tos pointer.
12087 * gensupport.c (identify_predicable_attribute): Free
12089 * gcov.c (create_file_names): Free name pointer.
12091 2006-03-13 Roger Sayle <roger@eyesopen.com>
12093 PR middle-end/26557
12094 * stmt.c (emit_case_nodes): Handle the case where the index is a
12095 CONST_INT, where the comparison mode is specified by the index type.
12097 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12099 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12102 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12104 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12105 (*branch_fp_inverted): Likewise.
12107 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12109 PR middle-end/25989
12110 * omp-low.c (expand_omp_for_generic): Mark istart0
12111 and iend0 as addressable.
12113 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12115 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12117 2006-03-13 Jeff Law <law@redhat.com>
12119 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12120 virtual operands are interesting.
12121 (vrp_visit_stmt): Corresponding changes.
12123 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12125 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12127 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12128 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12129 * config/bfin/crti.S: Use it instead of __PIC__.
12130 * config/bfin/crtn.S: Likewise.
12132 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12133 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12135 Lose 'G' modifier for call operand.
12136 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12137 recognize 'G' modifier.
12139 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12141 PR middle-end/18859
12142 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12143 * stmt.c (expand_case): Likewise.
12145 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12147 PR rtl-optimization/26254
12148 * loop-invariant.c (seq_insns_valid_p): New function.
12149 (move_invariant_reg): Only emit new code if it is valid.
12151 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12153 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12155 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12156 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12157 (commit_one_edge_insertion): Do not look for loop notes.
12159 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12161 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12162 flag_test_coverage out of loop.
12164 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12166 * final.c (shorten_branches): Remove outdated comment, and turn
12167 the if branch that guards it to continue.
12169 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12171 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12172 * cfgloop.h (struct loop): Remove unused fields.
12174 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12176 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12177 (-dL, -fdump-rtl-loop2): Update the dump file names
12179 * doc/invoke.texi: Update dump file names.
12181 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12183 * predict.c (estimate_probability): Remove.
12184 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12185 * basic-block.h (estimate_probability): Remove prototype.
12186 * passes.c (finish_optimization_passes): Dump branch prediction or
12187 profiling heuristics to the .profile tree dump.
12188 (init_optimization_passes): Unqueue pass_branch_prob.
12190 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12192 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12194 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12195 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12197 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12199 * function.h (frame_offset_overflow): Declare.
12200 * function.c (frame_offset_overflow): New function.
12201 (assign_stack_local_1): Call it to detect that the offset overflows.
12202 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12204 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12206 * config/sh/sh.c: Include alloc-pool.h.
12207 (label_ref_list_pool): New alloc pool.
12208 (label_ref_list_t): New type for lists of labels.
12209 (struct pool_node): Make wend a label_ref_list_t.
12210 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12212 (dump_table): Likewise.
12213 (sh_reorg): Set up the alloc pool before using add_constant and
12214 dump_table, and destroy it when finishing.
12216 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12218 * config/mips/mips.c: Remove redundant comment.
12220 2006-03-10 Jason Merrill <jason@redhat.com>
12223 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12224 the target was declared 'register'.
12226 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12228 * genpreds.c (write_insn_constraint_len): Change definition of
12229 insn_constraint_len to return size_t to match the declaration.
12231 2006-03-10 DJ Delorie <dj@redhat.com>
12233 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12235 (m32c_expand_insv): Fix test for an AND mask.
12237 2006-03-10 Richard Guenther <rguenther@suse.de>
12239 PR middle-end/26565
12240 * builtins.c (get_pointer_alignment): Handle component
12241 references for field alignment.
12243 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12245 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12246 when building with libgloss.
12247 (sh*elf): Implement --without-fp option.
12248 (sh64-superh-linux*): Don't multilib.
12250 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12252 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12254 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12256 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12257 Set it when one of the replacement functions returned true.
12258 Return TODO_cleanup_cfg if cfgchanged is true.
12259 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12261 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12263 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12264 instead of gen_lowpart.
12266 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12268 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12270 (mips_output_order_conditional_branch): Declare.
12271 * config/mips/mips.h (MIPS_BRANCH): New macro.
12272 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12273 for the comparison. Use gen_condjump.
12274 (mips_output_conditional_branch): Rework interface to take the
12275 asm templates for a direct branch and the inverse of a direct branch.
12276 (mips_output_order_conditional_branch): New function.
12277 (mips_builtin_branch_and_move): New function.
12278 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12279 branch condition. Use gen_single_cc as the condition for
12280 __builtin_mips_upper_* or __builtin_mips_lower_*.
12281 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12282 Use VOIDmode for the branch condition.
12283 * config/mips/predicates.md (order_operator): New predicate.
12284 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12285 (branch_fp): Rename to...
12286 (*branch_fp): ...this. Remove mode from comparison operator.
12287 Use new mips_output_conditional_branch interface.
12288 (branch_fp_inverted): Rename to...
12289 (*branch_fp_inverted): ...this and update as for *branch_fp.
12290 (*branch_zero<mode>): Rename to...
12291 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12292 Use mips_output_order_conditional_branch. Only accept ordered
12294 (*branch_zero<mode>_inverted): Rename to...
12295 (*branch_order<mode>_inverted): ...this and update as for
12296 *branch_order<mode>.
12297 (*branch_equality<mode>): Accept zero as the second operand to
12298 the equality operator. Use the new mips_output_conditional_branch
12300 (*branch_equality<mode>_inverted): Likewise.
12301 (condjump): New expander.
12302 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12304 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12305 (bc1any2t, bc1any2f): Likewise.
12306 (single_cc): New expander.
12307 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12309 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12311 * doc/md.texi: Update documentation of MIPS constraints.
12312 * config/mips/constraints.md: New file.
12313 * config/mips/mips.md: Include it.
12314 * config/mips/mips.c (mips_char_to_class): Delete.
12315 (override_options): Don't initialize mips_char_to_class.
12316 * config/mips/mips.h (mips_char_to_class): Delete.
12317 (REG_CLASS_FROM_LETTER): Delete.
12318 (CONST_OK_FOR_LETTER_P): Delete.
12319 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12320 (EXTRA_CONSTRAINT_Y): Delete.
12321 (EXTRA_CONSTRAINT_STR): Delete.
12322 (CONSTRAINT_LEN): Delete.
12323 (EXTRA_MEMORY_CONSTRAINT): Delete.
12325 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12327 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12328 original fn's eh regions.
12330 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12332 * fold-const.c (build_range_check): Make sure to use a valid type to
12333 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12336 (range_predecessor): New static function.
12337 (range_successor): Likewise.
12338 (merge_ranges): Use them to compute predecessors and successors of
12341 2006-03-09 Roger Sayle <roger@eyesopen.com>
12343 PR middle-end/26561
12344 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12345 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12347 2006-03-08 DJ Delorie <dj@redhat.com>
12349 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12350 (addpsi3): Expand to include memory operands. Remove
12351 reload-specific splits.
12352 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12353 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12354 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12355 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12356 (shift1_qi, shift1_hi, insv): New.
12357 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12358 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12359 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12361 * config/m32c/m32c-protos.h: Update as needed.
12362 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12363 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12364 Fail for unrecognized R* constraints.
12365 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12366 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12367 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12369 (m32c_init_libfuncs): New.
12370 (m32c_legitimate_address_p): Add debug wrapper.
12371 (m32c_rtx_costs): New.
12372 (m32c_address_cost): New.
12373 (conversions): Add 'B' prefix.
12374 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12375 operands, or word regnames for QI operands. 'B' prints bit
12377 (m32c_expand_setmemhi): New.
12378 (m32c_expand_movmemhi): New.
12379 (m32c_expand_movstr): New.
12380 (m32c_expand_cmpstr): New.
12381 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12382 (m32c_expand_neg_mulpsi3): Handle non-ints.
12383 (m32c_cmp_flg_0): New.
12384 (m32c_expand_movcc): New.
12385 (m32c_expand_insv): New.
12386 (m32c_scc_pattern): New.
12387 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12388 a0/a1 out of SIregs.
12389 (STORE_FLAG_VALUE): New.
12390 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12393 * config/m32c/mov.md: Make constraints more liberal.
12394 (zero_extendqihi2): Optimize r0/r1 case.
12395 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12396 * config/m32c/predicates.md (m32c_any_operand): New.
12397 (m32c_nonimmediate_operand): New.
12398 (m32c_hl_operand): New.
12399 (m32c_r3_operand): New.
12402 (memsym_operand): New.
12403 (memimmed_operand): New.
12404 (a_qi_operand): New.
12405 (m32c_eqne_operator): New.
12406 (m32c_1bit8_operand): New.
12407 (m32c_1bit16_operand): New.
12408 (m32c_1mask8_operand): New.
12409 (m32c_1mask16_operand): New.
12410 * config/m32c/blkmov.md: New file.
12411 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12413 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12415 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12416 unsigned to fix signed/unsigned comparison issue in
12417 DWARF2_FRAME_REG_OUT.
12418 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12419 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12421 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12422 of ptr into the ENABLE_CHECKING section.
12424 2006-03-08 Jeff Law <law@redhat.com>
12426 * tree-vrp.c (infer_value_range): Only count pointer uses
12427 and dereferences if -fdelete-null-pointer-checks is enabled.
12429 * tree-vrp.c (find_assert_locations): Infer value ranges for
12430 single use pointers, but do not create ASSERT_EXPRs for them.
12431 When a non-null range is inferred for a pointer, backwards
12432 propagate that range to other equivalent pointers through the
12435 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12438 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12439 language hook targets.
12440 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12441 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12442 if language hook targets were missing.
12444 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12446 * tree-ssa-opfinalize.h: Removed.
12447 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12449 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12450 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12451 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12452 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12453 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12454 finalize_ssa_v_must_def_ops): New.
12456 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12458 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12459 block as parameter.
12461 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12463 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12465 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12466 addresses with offsets; reorganize.
12468 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12469 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12470 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12472 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12475 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12477 2006-03-08 Ben Elliston <bje@au.ibm.com>
12479 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12481 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12484 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12487 2006-03-07 Richard Guenther <rguenther@suse.de>
12489 PR tree-optimization/26587
12490 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12492 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12494 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12496 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12498 * hooks.c (hook_bool_mode_rtx_true): New function.
12499 * hooks.h (hook_bool_mode_rtx_true): Declare.
12500 * toplev.c (compile_file): Call output_shared_constant_pool.
12501 * varasm.c (shared_constant_pool): New variable.
12502 (assemble_start_function, assemble_end_function): Remove arguments
12503 from call to output_constant_pool.
12504 (create_constant_pool): New function, split out from...
12505 (init_varasm_status): ...here.
12506 (force_const_mem): Choose between the shared and per-function constant
12507 pools. Set current_function_uses_const_pool when reusing old entries
12508 as well as when creating new ones.
12509 (mark_constant): Ignore data argument.
12510 (mark_constants): Remove pool argument.
12511 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12512 to decide whether the function uses a constant pool.
12513 (output_constant_pool_contents): New function, split out from...
12514 (output_constant_pool): ...here.
12515 (output_shared_constant_pool): New function.
12516 (init_varasm_once): Initialize shared_constant_pool.
12517 * output.h (output_constant_pool): Delete.
12518 (output_shared_constant_pool): Declare.
12519 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12520 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12522 2006-03-06 Nick Clifton <nickc@redhat.com>
12524 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12525 flag_strength_reduce.
12527 2006-03-06 Ben Elliston <bje@au.ibm.com>
12529 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12530 x86_64-*-linux* configurations.
12532 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12533 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12535 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12537 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12539 * basic-block.h: Remove the extern for
12540 rediscover_loops_after_threading.
12542 * cfgloop.c (cancel_loop): Make it static.
12543 * cfgloop.h: Remove the prototype for cancel_loop.
12545 * flow.c (recompute_reg_usage): Make it static.
12546 * rtl.h: Remove the prototype for recompute_reg_usage.
12548 * function.c (use_return_register): Make it static.
12549 * function.h: Remove the prototype.
12551 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12553 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12555 * recog.h: Remove the prototype for
12556 validate_change_maybe_volatile.
12558 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12560 * rtlanal.c (replace_reg): Remove.
12561 * rtl.h: Remove the prototype for replace_reg.
12563 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12565 * regclass.c (reg_scan_update): Remove.
12566 (reg_scan_mark_refs): Remove the last argument.
12567 * rtl.h: Remove the prototype for reg_scan_update.
12569 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12571 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12572 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12573 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12574 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12575 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12576 loop-invariant.c, omp-low.c, opts.c, passes.c,
12577 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12578 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12579 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12580 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12581 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12582 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12584 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12586 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12587 * dwarf2out.h: Remove the prototype for
12588 dwarf2out_add_library_unit_info.
12590 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12592 * tree.c (add_var_to_bind_expr): Remove.
12593 * tree.h: Remove the prototype for add_var_to_bind_expr.
12595 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12597 * regclass.c (n_non_fixed_regs): Remove.
12598 (init_reg_sets_1, globalize_reg): Remove all uses of
12600 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12602 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12604 * rtlanal.c (insns_safe_to_move_p): Remove.
12605 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12607 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12609 * expmed.c (expand_mult_add): Remove.
12610 * expr.h: Remove the prototype for expand_mult_add.
12612 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12614 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12615 and REG_SAVED_VAL_EXP constants.
12616 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12617 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12618 Handle regs stored by value.
12619 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12620 (execute_cfa_program): Handle DW_CFA_val_offset,
12621 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12622 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12623 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12624 (uw_install_context_1): Handle target regs stored by value.
12626 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12628 * tree-sra.c (tree_sra): Return todoflags;
12629 (generate_one_element): Set TODO_update_smt_usage if needed.
12630 (pass_sra): Remove TODO_update_smt_usage.
12631 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12633 (tree_ssa_forward_propagate_single_use_vars): Return
12634 TODO_update_smt_usage if we need to update SMT usage.
12635 (pass_forwprop): Remove TODO_update_smt_usage.
12637 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12639 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12640 (correct_use_link): Remove reference to get_stmt_operands.
12641 (update_stmt_operands): Likewise.
12642 (get_modify_expr_operands): New function factored out of
12643 parse_ssa_operands and get_expr_operands.
12644 Try to create V_MUST_DEFs for LHS by default.
12645 (get_expr_operands) <case MODIFY_EXPR>: Call
12646 get_modify_expr_operands.
12647 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12648 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12649 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12650 get_modify_expr_operands.
12652 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12654 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12655 * tree-flow.h: Remove the prototype for
12656 referenced_var_lookup_if_exists.
12658 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12660 PR rtl-optimization/26345
12662 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12664 2006-03-03 Roger Sayle <roger@eyesopen.com>
12666 PR tree-optimization/26524
12667 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12668 fold_convert to create a constant of the appropriate type.
12670 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12672 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12673 SYMBOL_REF_IN_BLOCK_P.
12674 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12675 of SYMBOL_FLAG_IN_BLOCK.
12676 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12677 instead of SYMBOL_REF_IN_BLOCK_P.
12678 * explow.c (use_anchored_address): Likewise.
12679 * rtl.c (rtx_size): Likewise.
12680 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12681 instead of SYMBOL_FLAG_IN_BLOCK.
12682 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12683 SYMBOL_REF_IN_BLOCK_P.
12684 (assemble_variable): Likewise.
12685 (output_constant_def_contents): Likewise.
12686 (output_constant_pool): Likewise.
12687 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12688 instead of SYMBOL_FLAG_IN_BLOCK.
12689 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12690 SYMBOL_REF_IN_BLOCK_P.
12691 (SYMBOL_REF_BLOCK): Likewise.
12692 (SYMBOL_REF_OFFSET): Likewise.
12693 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12694 SYMBOL_REF_IN_BLOCK_P.
12695 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12696 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12697 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12698 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12700 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12702 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12704 2006-03-02 Roger Sayle <roger@eyesopen.com>
12706 * simplify-rtx.c (simplify_unary_operation): When simplifying
12707 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12708 that we perform the right shift in the appropriate mode, and
12709 then extend or truncate the result to requested mode.
12711 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12713 * gengtype.c (main): Handle double_int type.
12714 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12715 * double-int.c: New file.
12716 * double-int.h: New file.
12717 * system.h: Include doubleint.h.
12718 * Makefile.in (SYSTEM_H): Include double-int.h.
12719 (double-int.o): Add.
12721 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12724 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12727 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12729 * tree-vrp.c (remove_range_assertions): Do not update statements
12732 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12734 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12736 * gcse.c (rest_of_handle_gcse): Ditto.
12737 * except.c (gate_handle_eh): Ditto.
12738 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12739 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12741 2006-03-02 Eric Christopher <echristo@apple.com>
12743 * config/i386/i386.c (machopic_output_stub): Add indirection to
12746 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12750 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12752 Sun Niagara specific optimizations.
12753 * config.gcc: Recognize niagara as target.
12754 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12755 (TARGET_CPU_niagara): Define.
12756 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12757 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12758 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12759 (ASM_CPU_SPEC): Likewise.
12760 (PROCESSOR_NIAGARA): New enum entry.
12761 (REGISTER_MOVE_COST): Handle Niagara.
12762 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12763 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12764 (sparc_override_options): Recognize "niagara", set appropriate
12765 default MASK_* values for it, and align functions to 32-bytes
12766 by default just like ULTRASPARC/ULTRASPARC3.
12767 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12768 (sparc64_initialize_trampoline): Likewise.
12769 (sparc_use_sched_lookahead): Use zero for niagara.
12770 (sparc_issue_rate): Use one for niagara.
12771 * config/sparc/niagara.md: New file.
12772 * config/sparc/sparc.md: Include it.
12773 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12774 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12775 when default cpu is niagara.
12776 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12777 (ASM_CPU_SPEC): Likewise.
12778 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12779 when default cpu is niagara.
12780 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12781 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12782 just like v9/ultrasparc/ultrasparc3.
12783 * doc/invoke.texi: Add documentation for "niagara" and improve
12784 existing documentation for ultrasparc variants.
12786 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12788 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12790 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12792 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12793 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12794 and say that only one is needed.
12795 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12796 * target.h (have_switchable_bss_sections): New hook.
12797 * explow.c (use_anchored_address): Check that the symbol is in a block.
12798 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12799 (bss_noswitch_section): New variables.
12800 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12801 (get_noswitch_section): New function.
12802 (get_block_for_section): Allow SECT to be null.
12803 (unlikely_text_section_p): Use SECTION_STYLE.
12804 (bss_initializer_p): New function.
12805 (get_variable_section): Move earlier in file. Take a new argument,
12806 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12807 Return one of the new *_sections in such cases.
12808 (get_block_for_decl): New function, extracting some logic from
12809 use_blocks_for_decl_p.
12810 (change_symbol_section): Remove in favor of...
12811 (change_symbol_block): ...this new function.
12812 (use_blocks_for_decl_p): Remove checks now performed by
12813 get_block_for_decl.
12814 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12815 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12816 (emit_local, emit_bss, emit_common): ...these new functions.
12817 Return true if the alignment was honored.
12818 (emit_tls_common): New function.
12819 (asm_emit_uninitialised): Delete.
12820 (assemble_variable_noswitch): New function, split out from...
12821 (assemble_variable): ...here. Don't make decisions about common
12822 variables here. Globalize all public decls that go into non-common
12823 sections. Check whether SYMBOL_REF_BLOCK is null.
12824 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12825 (output_constant_pool): Likewise.
12826 (init_varasm_once): Initialize the new section variables.
12827 (have_global_bss_p): New function.
12828 (categorize_decl_for_section): Use bss_initializer_p.
12829 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12830 (place_block_symbol): Assert that the symbol must be in a block.
12831 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12832 (TARGET_INITIALIZER): Include it.
12833 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12834 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12835 (SECTION_MACH_DEP): Bump by two.
12836 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12837 (unnamed_section): Mention SECTION_UNNAMED in comment.
12838 (named_section): Likewise SECTION_NAMED.
12839 (noswitch_section_callback): New type.
12840 (noswitch_section): New structure.
12841 (section): Add a noswitch_section alternative.
12842 (SECTION_STYLE): New macro.
12843 (tls_comm_section, comm_section, lcomm_section): Declare.
12844 (bss_noswitch_section, have_global_bss_p): Declare.
12845 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12846 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12848 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12849 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12852 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12854 * tree-vrp.c (execute_vrp): Return value.
12855 * regrename.c (rest_of_handle_regrename): Ditto.
12856 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12857 * tree-complex.c (tree_lower_complex): Ditto.
12858 (tree_lower_complex_O0): Ditto.
12859 * tracer.c (rest_of_handle_tracer): Ditto.
12860 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12861 * postreload.c (rest_of_handle_postreload): Ditto.
12862 * tree-tailcall.c (execute_tail_recursion): Ditto.
12863 (execute_tail_calls): Ditto.
12864 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12865 * tree.h (init_function_for_compilation): Ditto.
12866 * ipa-cp.c (ipcp_driver): Ditto.
12867 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12868 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12869 * final.c (compute_alignments): Ditto.
12870 (rest_of_handle_final): Ditto.
12871 (rest_of_handle_shorten_branches): Ditto.
12872 (rest_of_clean_state): Ditto.
12873 * omp-low.c (execute_expand_omp): Ditto.
12874 (execute_lower_omp): Ditto.
12875 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12876 * ipa-reference.c (static_execute): Ditto.
12877 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12878 * reorg.c (rest_of_handle_delay_slots): Ditto.
12879 (rest_of_handle_machine_reorg): Ditto.
12880 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12881 * flow.c (recompute_reg_usage): Ditto.
12882 (rest_of_handle_remove_death_notes): Ditto.
12883 (rest_of_handle_life): Ditto.
12884 (rest_of_handle_flow2): Ditto.
12885 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12886 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12887 (do_ssa_store_ccp): Ditto.
12888 (execute_fold_all_builtins): Ditto.
12889 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12890 * modulo-sched.c (rest_of_handle_sms): Ditto.
12891 * ipa-pure-const.c (static_execute): Ditto.
12892 * cse.c (rest_of_handle_cse): Ditto.
12893 (rest_of_handle_cse2): Ditto.
12894 * web.c (rest_of_handle_web): Ditto.
12895 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12896 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12897 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12898 * tree-nrv.c (tree_nrv): Ditto.
12899 (execute_return_slot_opt): Ditto.
12900 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12901 (create_structure_vars): Ditto.
12902 * loop-init.c (rtl_loop_init): Ditto.
12903 (rtl_loop_done): Ditto.
12904 (rtl_move_loop_invariants): Ditto.
12905 (rtl_unswitch): Ditto.
12906 (rtl_unroll_and_peel_loops): Ditto.
12907 (rtl_doloop): Ditto.
12908 * gimple-low.c (lower_function_body): Ditto.
12909 (mark_used_blocks): Ditto.
12910 * tree-ssa-sink.c (execute_sink_code): Ditto.
12911 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12912 (cgraph_early_inlining): Ditto.
12913 * global.c (rest_of_handle_global_alloc): Ditto.
12914 * jump.c (cleanup_barriers): Ditto.
12915 (purge_line_number_notes): Ditto.
12916 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12917 (rest_of_handle_if_after_reload): Ditto.
12918 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12919 (tree_ssa_loop_im): Ditto.
12920 (tree_ssa_loop_unswitch): Ditto.
12921 (tree_vectorize): Ditto.
12922 (tree_linear_transform): Ditto.
12923 (tree_ssa_loop_ivcanon): Ditto.
12924 (tree_ssa_empty_loop): Ditto.
12925 (tree_ssa_loop_bounds): Ditto.
12926 (tree_complete_unroll): Ditto.
12927 (tree_ssa_loop_prefetch): Ditto.
12928 (tree_ssa_loop_ivopts): Ditto.
12929 (tree_ssa_loop_done): Ditto.
12930 * predict.c (tree_estimate_probability): Ditto.
12931 * recog.c (split_all_insns_noflow): Ditto.
12932 (rest_of_handle_peephole2): Ditto.
12933 (rest_of_handle_split_all_insns): Ditto.
12934 * tree-eh.c (lower_eh_constructs): Ditto.
12935 * regmove.c (rest_of_handle_regmove): Ditto.
12936 (rest_of_handle_stack_adjustments): Ditto.
12937 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12938 * function.c (instantiate_virtual_regs): Ditto.
12939 (init_function_for_compilation): Ditto.
12940 (rest_of_handle_check_leaf_regs): Ditto.
12941 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12942 (rest_of_handle_gcse): Ditto.
12943 * ipa-type-escape.c (type_escape_execute): Ditto.
12944 * alias.c (rest_of_handle_cfg): Ditto.
12945 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12946 * profile.c (rest_of_handle_branch_prob): Ditto.
12947 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12948 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12949 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12950 * tree-dfa.c (find_referenced_vars): Ditto.
12951 * except.c (set_nothrow_function_flags): Ditto.
12952 (convert_to_eh_region_ranges): Ditto.
12953 (rest_of_handle_eh): Ditto.
12954 * emit-rtl.c (unshare_all_rtl): Ditto.
12955 (remove_unnecessary_notes): Ditto.
12956 * except.h (set_nothrow_function_flags): Ditto.
12957 (convert_to_eh_region_ranges): Ditto.
12958 * cfgexpand.c (tree_expand_cfg): Ditto.
12959 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12960 * tree-ssa-pre.c (do_pre): Ditto.
12961 (execute_fre): Ditto.
12962 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12963 (rest_of_handle_jump2): Ditto.
12964 * tree-sra.c (tree_sra): Ditto.
12965 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12966 (execute_mudflap_function_decls): Ditto.
12967 * tree-ssa-copy.c (do_copy_prop): Ditto.
12968 (do_store_copy_prop): Ditto.
12969 * ipa-prop.h (ipcp_driver): Ditto.
12970 * cfglayout.c (insn_locators_initialize): Ditto.
12971 * tree-ssa-forwprop.c
12972 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12973 * cfglayout.h (insn_locators_initialize): Ditto.
12974 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12975 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12976 (execute_late_warn_uninitialized): Ditto.
12977 * rtl.h (cleanup_barriers): Ditto.
12978 (split_all_insns_noflow): Ditto.
12979 (purge_line_number_notes): Ditto.
12980 (unshare_all_rtl): Ditto.
12981 (remove_unnecessary_notes): Ditto.
12982 (recompute_reg_usage): Ditto.
12983 (variable_tracking_main): Ditto.
12984 * integrate.c (emit_initial_value_sets): Ditto.
12985 * integrate.h (emit_initial_value_sets): Ditto.
12986 * tree-optimize.c (execute_free_datastructures): Ditto
12987 (execute_free_cfg_annotations): Ditto.
12988 (execute_fixup_cfg): Ditto.
12989 (execute_cleanup_cfg_pre_ipa): Ditto.
12990 (execute_cleanup_cfg_post_optimizing): Ditto.
12991 (execute_init_datastructures): Ditto.
12992 * tree-object-size.c (compute_object_sizes): Ditto.
12993 * combine.c (rest_of_handle_combine): Ditto.
12994 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12995 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12996 (rest_of_handle_reorder_blocks): Ditto.
12997 (rest_of_handle_partition_blocks): Ditto.
12998 * var-tracking.c (variable_tracking_main): Ditto.
12999 * tree-profile.c (tree_profiling): Ditto.
13000 * tree-vect-generic.c (expand_vector_operations): Ditto.
13001 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13002 * sched-rgn.c (rest_of_handle_sched): Ditto.
13003 (rest_of_handle_sched2): Ditto.
13004 * basic-block.h (free_bb_insn): Ditto.
13005 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13006 * tree-cfg.c (execute_build_cfg): Ditto.
13007 (remove_useless_stmts): Ditto.
13008 (split_critical_edges): Ditto.
13009 (execute_warn_function_return): Ditto.
13010 (execute_warn_function_noreturn): Ditto.
13011 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13012 * cfgrtl.c (free_bb_for_insn): Ditto.
13013 * passes.c (execute_one_pass): Run additional
13014 todos returned by execute function.
13015 * tree-pass.h (struct tree_opt_pass): Make execute
13018 2006-03-02 Richard Guenther <rguenther@suse.de>
13020 * tree-ssa-alias.c (find_used_portions): Consider taking
13021 the address as making the variable not write-only.
13023 2006-03-02 Nick Clifton <nickc@redhat.com>
13025 * config.gcc (default_use_cxa_atexit): Extend the description of
13026 this configure variable. Set its default value to "yes" for
13027 Linux, NetBSD and ELF targets on the assumption that they will
13028 use C libraries with the __cxa_atexit function.
13030 2006-03-02 Ben Elliston <bje@au.ibm.com>
13032 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13033 parameter as unused to suppress a build warning.
13035 2006-03-02 Ben Elliston <bje@au.ibm.com>
13037 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13040 2006-03-01 Roger Sayle <roger@eyesopen.com>
13043 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13044 declared name, the weak reference name, and the typeof name.
13045 (__gthrw): Avoid expanding the declared name suffix.
13046 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13048 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13050 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13052 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13053 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13054 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13055 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13056 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13057 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13058 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13059 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13060 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13061 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13062 (DW_END_default, DW_END_big, DW_END_little): New.
13063 (DW_END_lo_user, DW_END_hi_user): Define.
13064 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13065 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13066 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13069 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13071 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13073 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13075 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13077 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13079 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13080 to 'symbol_mem_tag'.
13082 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13085 2006-03-01 Roger Sayle <roger@eyesopen.com>
13087 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13089 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13092 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13093 MACHO_DYNAMIC_NO_PIC_P.
13094 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13096 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13099 * config/darwin-protos.h (darwin_asm_output_anchor):
13101 * config/darwin-sections.def (cstring_section):
13102 Add SECTION_MERGE to the flags.
13103 (literal4_section): Likewise.
13104 (literal8_section): Likewise.
13105 (objc_selector_refs_section): Likewise.
13106 (objc_cls_refs_section): Likewise.
13107 * config/darwin.c (darwin_asm_output_anchor): New
13109 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13111 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13113 Fix PR tree-optimization/26443
13114 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13115 to todo and PROP_tmt_usage to properties_destroyed.
13116 * tree-ssa-ccp.c (pass_ccp): Ditto.
13117 (pass_store_ccp): Ditto.
13118 * tree-ssa-dom.c (pass_dominator): Ditto.
13120 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13122 * tree-ssa-operands.c: Cleanup whitespace.
13123 (get_asm_expr_operands): Move before first invocation.
13124 (get_indirect_ref_operands): Likewise.
13125 (get_tmr_operands): Likewise.
13126 (get_call_expr_operands): Likewise.
13127 (append_def): Likewise.
13128 (append_use): Likewise.
13129 (append_v_may_def): Likewise.
13130 (append_v_must_def): Likewise.
13131 (add_call_clobber_ops): Likewise.
13132 (add_call_read_ops): Likewise.
13133 (add_stmt_operand): Likewise.
13134 (add_virtual_operand): Likewise.
13135 (build_ssa_operands): Likewise.
13137 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13139 PR middle-end/26022
13141 PR middle-end/24437
13142 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13143 with a call expr to ...
13144 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13146 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13148 * tree-vrp.c (extract_range_from_assert): Remove special
13149 handling for types with super-types.
13151 2006-03-01 Ben Elliston <bje@au.ibm.com>
13153 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13154 and powerpc64-*-linux* configurations.
13155 * config/t-dfprules: New file.
13157 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13158 Compile dfp-bit.c from the source directory using -DWIDTH and
13159 $DFP_CFLAGS to control the compilation of that file, rather than
13160 generating width-specific versions in the build directory.
13161 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13162 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13164 2006-02-28 Zack Weinberg <zackw@panix.com>
13166 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13169 2006-02-28 Eric Christopher <echristo@apple.com>
13171 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13172 Set up IN_LIBGCC definition of TARGET_64BIT.
13173 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13175 2006-02-28 Roger Sayle <roger@eyesopen.com>
13177 PR middle-end/14752
13178 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13179 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13180 cases via the construction of "expr != 0".
13182 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13184 * alias.c (alias_invariant, alias_invariant_size): Remove.
13185 (record_base_value): Remove.
13186 (memrefs_conflict_p): Don't look at alias_invariant.
13187 (end_alias_analysis): Don't free it.
13188 * alias.h (record_base_value): Remove prototype.
13190 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13191 Adam Nemet <anemet@caviumnetworks.com>
13193 * rtl.h (truncated_to_mode): Declare it.
13194 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13195 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13196 (RTL_HOOKS_INITIALIZER): Include it.
13197 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13198 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13199 reg_truncated_to_mode.
13200 * rtlanal.c (truncated_to_mode): Define it.
13201 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13203 2006-02-28 Jeff Law <law@redhat.com>
13205 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13206 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13207 the range allowed by TYPE_PRECISION.
13209 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13211 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13213 PR tree-optimization/26419
13214 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13217 2006-02-27 Zack Weinberg <zackw@panix.com>
13219 * doc/md.texi: Fix typo in previous change.
13221 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13225 2006-02-27 Zack Weinberg <zackw@panix.com>
13227 * rtl.def (define_constraint, define_register_constraint)
13228 (define_memory_constraint, define_address_constraint): New MD forms.
13229 * gensupport.c (process_rtx): Put define_constraint etc on the
13231 * genpreds.c (process_define_predicate): Adjust comment. Validate
13232 the name, and call validate_exp to validate the expression.
13233 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13234 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13235 all callers changed.
13236 (validate_exp, needs_variable, struct constraint_data)
13237 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13238 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13239 (const_dbl_constraints, constraint_max_namelen)
13240 (have_register_constraints, have_memory_constraints)
13241 (have_address_constraints, have_address_constraints)
13242 (have_extra_constraints, have_const_int_constraints)
13243 (have_const_dbl_constraints, mangle, add_constraint)
13244 (process_define_constraint, process_define_register_constraint)
13245 (write_enum_constraint_num, write_lookup_constraint)
13246 (write_insn_constraint_len, write_regclass_for_constraint)
13247 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13248 (write_insn_extra_memory_constraint)
13249 (write_insn_extra_address_constraint)
13250 (write_satisfies_constraint_fns): New.
13251 (write_tm_preds_h): If we have new-style constraint definitions,
13252 prototype the functions generated from them, and define the
13253 old constraint interface (still used by generic code) in terms of
13255 (write_insn_preds_c): If we have new-style constraint definitions,
13256 generate all relevant functions from those definitions.
13257 (main): Handle define_constraint etc.
13258 * genoutput.c (struct constraint_data, indep_constraints)
13259 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13260 (mdep_constraint_len): New data structures and functions, defined
13261 #ifdef USE_MD_CONSTRAINTS.
13262 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13263 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13264 use new logic to validate operand constraints against constraint
13266 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13268 * defaults.h: If none of the old-style constraint macros are
13269 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13270 old-style macros; and poison REG_CLASS_FROM_LETTER,
13271 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13273 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13274 * doc/md.texi: Document new constraint-definition mechanism and the
13275 C interface it provides. Remove references to old mechanism
13276 elsewhere in the document.
13277 (Machine Constraints): Use pathnames relative to gcc directory,
13278 i.e. config/ARCH/FILE. Change i386 section to refer to
13279 config/i386/predicates.md; update that section to match docstrings.
13280 * doc/tm.texi: Move all documentation of the old constraint-
13281 definition macros to their own section, clearly mark as obsolete.
13283 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13284 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13286 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13287 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13288 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13289 constraint strings.
13290 (splits and peepholes): Use satisfies_constraint_*.
13291 * config/i386/i386.c (memory_address_length)
13292 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13294 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13296 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13297 scalar operation to be put back into the loop.
13299 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13302 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13303 (extract_cie_info): Handle S flag in augmentation string.
13304 (execute_cfa_program): If context->signal_frame, execute also
13305 fs->pc == context->ra instructions.
13306 (uw_frame_state_for): If context->signal_frame, don't subtract one
13307 from context->ra to find FDE.
13308 (uw_update_context_1): Set context->signal_frame to
13310 (_Unwind_GetIPInfo): New function.
13311 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13312 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13314 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13315 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13316 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13317 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13318 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13319 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13320 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13321 x86_64_fallback_frame_state): Set fs->signal_frame.
13322 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13323 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13324 (frob_update_context): Likewise. Workaround missing S flag in
13325 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13326 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13327 Remove the psw_addr + 1 hack.
13329 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13331 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13332 with aggregates here.
13333 (find_func_aliases): Remove code for &<aggregate> from here.
13335 2006-02-26 Roger Sayle <roger@eyesopen.com>
13337 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13338 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13339 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13340 as (X & C) ne/eq 0.
13342 2006-02-26 Roger Sayle <roger@eyesopen.com>
13344 PR middle-end/19983
13345 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13347 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13349 * opts.c (decode_options): Do not handle flag_strength_reduce.
13350 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13351 and OPT_fstrength_reduce.
13352 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13353 flag_prefetch_loop_arrays for being nonzero.
13354 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13356 (fprefetch-loop-arrays-rtl): Removed.
13357 (flag_prefetch_loop_arrays): Do not specify the value.
13359 * doc/passes.texi: Update documentation of loop optimizer
13361 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13362 -frerun-loop-opt): Remove.
13364 2006-02-26 Richard Guenther <rguenther@suse.de>
13366 PR tree-optimization/26421
13367 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13368 in function calls that are ADDR_EXPRs as using the whole structure.
13370 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13372 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13373 * tree-pass.h (pass_loop_optimize): Remove.
13374 * passes.c (pass_loop_optimize): Never run it.
13375 * toplev.c (backend_init): Don't call init_loop.
13376 * opts.c (flag_loop_optimize_set): Remove.
13377 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13378 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13379 the old RTL loop optimizer when profiling enabled.
13380 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13381 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13382 pre-headers for the sake of the old RTL loop optimizer.
13383 * Makefile.in: Remove all references to loop.o.
13385 * doc/invoke.texi: Remove all references to -floop-optimize
13386 and -frerun-loop-opt.
13388 2006-02-26 Zack Weinberg <zackw@panix.com>
13390 * doc/md.texi (Machine Constraints): Refer to all files with paths
13391 relative to gcc directory (i.e. config/CPU/file). Add missing
13392 @table @code ... @end table to M32C subsection.
13394 2006-02-26 Roger Sayle <roger@eyesopen.com>
13396 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13398 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13400 2006-02-26 Roger Sayle <roger@eyesopen.com>
13401 James A. Morrison <phython@gcc.gnu.org>
13403 PR middle-end/21137
13404 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13405 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13406 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13407 signedness of the shift operation.
13409 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13411 PR tree-optimization/26359
13412 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13414 2006-02-25 Roger Sayle <roger@eyesopen.com>
13416 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13417 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13418 as X == 0, and some symmetry related transformations.
13419 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13421 2006-02-25 Roger Sayle <roger@eyesopen.com>
13423 PR middle-end/23673
13424 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13425 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13426 symmetry related transformations. Fold (X^C1) == C2 as
13429 2006-02-25 Juergen Weigert <jw@suse.de>
13430 Richard Guenther <rguenther@suse.de>
13432 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13434 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13436 * combine.c (gen_lowpart_or_truncate): Call
13437 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13439 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13441 * doc/invoke.texi: Move -fopenmp description to "Options for
13443 Remove reference to -lgomp.
13445 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13447 * doc/install.texi: Require GNU tar version 1.14.
13449 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13451 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13452 * doc/invoke.texi (C++ Dialect Options): Document
13453 -fno-use-cxa-get-exception-ptr.
13454 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13455 * configure: Regenerate.
13456 * c.opt (fuse-cxa-get-exception-ptr): New.
13457 * c-opts.c (c_common_handle_option): Handle
13458 OPT_fuse_cxa_get_exception_ptr.
13459 * c-common.c (flag_use_cxa_atexit): Update documentation.
13460 (flag_use_cxa_get_exception_ptr): New.
13461 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13462 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13464 (C_COMMON_OVERRIDE_OPTIONS): New.
13466 2006-02-24 Roger Sayle <roger@eyesopen.com>
13468 PR middle-end/24952
13469 * combine.c (try_combine): Explicitly check whether GET_CODE is
13470 a SET or a CLOBBER, instead on checking that it isn't a USE.
13472 2006-02-24 Roger Sayle <roger@eyesopen.com>
13474 * fold-const.c (fold_comparison): New subroutine of fold_binary
13475 containing transformations common to both the equality and
13476 ordering relational operators, factored out of fold_binary.
13477 (fold_binary): Separate out the equality operators (EQ_EXPR
13478 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13479 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13480 transformations common to both.
13481 (fold_div_compare): Fix latent bugs in the previously unreachable
13482 LT_EXPR and GE_EXPR cases.
13484 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13486 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13487 decl libname for clog to __clog on AIX.
13489 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13491 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13494 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13495 output traceback table for thunks. Localise rs6000_stack_info call.
13497 2006-02-23 Roger Sayle <roger@eyesopen.com>
13498 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13500 * gthr-posix.h (__gthrw): Fix typo in comment.
13502 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13504 * doc/cpp.texi (Character sets): Document that we do support
13505 input files to be in any character set.
13507 2006-02-23 Jeff Law <law@redhat.com>
13509 * tree.h (PHI_ARG_NONZERO): Remove.
13510 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13511 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13512 node to the new node.
13514 PR tree-optimization/26425
13515 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13516 min/max, then assume its varying.
13518 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13520 PR rtl-optimization/26316
13521 * rtlanal.c (enum may_trap_p_flags): New.
13522 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13523 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13524 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13525 (may_trap_after_code_motion_p): New function.
13526 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13527 (find_invariant_insn): Use may_trap_after_code_motion_p.
13528 * rtl.h (may_trap_after_code_motion_p): Declare.
13530 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13532 * emit-rtl.c (immed_double_const): Cleanup.
13534 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13536 Fix PR tree-optimization/26376
13537 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13540 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13542 PR middle-end/26412
13543 * gimplify.c (omp_add_variable): Guard variable size decl test with
13544 DECL_SIZE (decl) check.
13546 2006-02-23 Richard Guenther <rguenther@suse.de>
13548 PR middle-end/26439
13549 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13550 like aggregate types.
13552 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13554 * configure.ac: Add --with{,out}-long-double-128 configure option.
13555 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13556 * configure: Rebuilt.
13557 * config.in: Rebuilt.
13558 * doc/install.texi (Options specification): Document
13559 --with-long-double-128.
13561 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13562 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13563 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13564 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13566 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13568 * config/s390/s390.c (override_options): Handle
13569 TARGET_DEFAULT_LONG_DOUBLE_128.
13571 * config/alpha/alpha.c (override_options): Handle
13572 TARGET_DEFAULT_LONG_DOUBLE_128.
13574 * config/sparc/sparc.c (sparc_override_options): Handle
13575 TARGET_DEFAULT_LONG_DOUBLE_128.
13577 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13579 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13580 (real-install-headers-tar, real-install-headers-cpio)
13581 (real-install-headers-cp): New targets.
13583 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13585 * tree.h (variable_section): Delete.
13586 * varasm.c (variable_section): Delete.
13588 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13590 * install.texi: Add notes on install.texi2html.
13591 (Building in parallel): Do not use footnotes.
13593 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13596 * doc/install.texi (Configuration): Document --disable-libgomp.
13598 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13600 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13602 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13604 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13605 (vec_extractv2df_0_sse): New.
13607 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13609 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13610 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13611 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13612 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13613 to the result of the expression.
13614 (def_cfa_1): Adjust.
13615 (frame_pointer_cfa_offset): Rename to...
13616 (frame_pointer_fb_offset): ... this. Adjust all uses.
13617 (convert_cfa_to_loc_list): Rename to...
13618 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13619 Pass it on to build_cfa_loc.
13620 (compute_frame_pointer_to_cfa_displacement): Rename to...
13621 (compute_frame_pointer_to_fb_displacement): ... this. New
13622 offset parameter. Use it in computation.
13623 (gen_subprogram_die): Compute cfa_fb_offset with the new
13624 macro, and use it to compute the fb loc list and the
13627 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13629 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13630 replaced with register_operand.
13631 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13632 non-DREG is expensive.
13633 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13634 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13637 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13639 * doc/install.texi2html: Use set -e.
13641 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13643 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13644 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13645 * doc/invoke.texi (-fshared-data): Delete.
13646 * common.opt (fshared-data): Delete.
13647 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13648 (assemble_static_space): Remove #if 0 code.
13649 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13650 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13651 * config/cris/cris.h: Remove FIXME.
13653 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13655 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13658 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13660 PR middle-end/26379
13661 * combine.c (simplify_shift_const_1): Disable nested shifts
13662 optimization for vector shifts.
13664 2006-02-20 Roger Sayle <roger@eyesopen.com>
13666 PR tree-optimization/26361
13667 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13668 of unsigned integer types.
13670 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13672 * tree-chrec.c (eq_evolutions_p): New.
13673 * tree-chrec.h (eq_evolutions_p): Declared.
13674 * tree-data-ref.c: Fix formatting.
13675 (datadep_stats, dependence_stats): New.
13677 (print_direction_vector): New.
13678 (dump_data_dependence_relation): Use print_direction_vector.
13679 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13680 (compute_subscript_distance): Static.
13681 (initialize_data_dependence_relation): Static. Get the number
13682 of loops surrounding the references from the callers, and initialize
13683 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13684 base_object_differ_p analyzers.
13685 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13686 compute_overlap_steps_for_affine_1_2,
13687 analyze_subscript_affine_affine): Count the classified dependences.
13688 Print a message when a test failed.
13689 (can_use_analyze_subscript_affine_affine): New.
13690 (analyze_siv_subscript): Compute the data dependences on symbolic
13691 scevs that verify can_use_analyze_subscript_affine_affine.
13692 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13693 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13694 Handle symbolic scevs.
13695 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13697 (subscript_dependence_tester): Moved...
13698 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13699 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13700 DDR_SIZE_VECT instead of getting it in parameter.
13701 (subscript_dependence_tester): ... here. Take as a parameter
13702 loop_nest_depth. Call build_classic_dist_vector and
13703 build_classic_dir_vector.
13704 (compute_affine_dependence): Update subscript_dependence_tester
13705 parameters. Update datadep_stats counters. Call
13706 compute_subscript_distance.
13707 (compute_self_dependence): Save the dist and dir vectors. Call
13708 compute_subscript_distance.
13709 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13710 (compute_all_dependences): Reorder parameters as they were before
13711 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13712 compute_subscript_distance. Update the use of
13713 compute_affine_dependence and initialize_data_dependence_relation.
13714 (find_data_references_in_loop): Handle COMPONENT_REF.
13715 (compute_data_dependences_for_loop): Initialize dependence_stats.
13716 Don't call build_classic_dist_vector and build_classic_dir_vector.
13717 Update the parameters of initialize_data_dependence_relation and
13718 compute_all_dependences. Print the statistics from datadep_stats.
13719 (analyze_all_data_dependences): Static. Not used until the pass for
13720 checking the data dependences is contributed.
13721 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13722 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13723 (initialize_data_dependence_relation, compute_affine_dependence,
13724 analyze_all_data_dependences, compute_subscript_distance): Removed.
13725 (print_direction_vector): New.
13726 * lambda.h (gcd): ... here.
13727 (lambda_vector_gcd): Moved here from gcd_vector.
13728 * lambda-code.c (gcd, gcd_vector): Removed.
13729 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13730 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13732 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13734 * ipa-type-escape.c: Tidy some comments and white space.
13735 * tree-ssa-operands.c: Likewise.
13737 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13740 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13741 (dump_decl_name): Do not walk the decl tree chains.
13742 * tree-pass.h (TDF_CHAIN): Remove.
13744 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13746 * Makefile.in (C): Remove
13748 (.PHONY): Remove C and PROTO
13750 2006-02-20 Roger Sayle <roger@eyesopen.com>
13752 PR middle-end/26236
13753 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13754 deprecated CHAR_TYPE tree code.
13756 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13758 * configure.ac (target_list): Add install-info, dvi, html.
13759 * configure: Regenerate.
13761 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13762 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13763 treelang/Make-lang.in: Do not use double-colon rules.
13765 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13767 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13768 (TMT_USED_ALONE): New macro.
13769 * tree-pass.h (PROP_tmt_usage): New property.
13770 (TODO_update_tmt_usage): New todo.
13771 * tree-ssa-alias.c (updating_used_alone): New variable.
13772 (recalculate_used_alone): New function.
13773 (compute_may_aliases): Set updating_used_alone, call
13774 recalculate_used_alone.
13775 * tree-sra.c (pass_sra): Note that this pass destroys
13776 PROP_tmt_usage, and add TODO_update_tmt_usage.
13777 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13778 * tree-flow.h (updating_used_alone): Prototype.
13779 (recalculate_used_alone): Ditto.
13780 * passes.c (execute_todo): Add code to set updating_used_alone,
13781 and call recalculate.
13782 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13783 for clobber if used alone, and add assert to verify used_alone
13786 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13788 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13789 for non tls symbols added.
13790 (legitimize_address): Do nothing for PLUS expressions if one of the
13791 addends is a tls symbol reference.
13793 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13797 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13799 * Makefile.in (BOOTSTRAPPING): New.
13800 (quickstrap): New definition if BOOTSTRAPPING=yes.
13802 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13803 * configure.ac: Substitute all_selected_languages with the languages
13804 that were configured. For all the other variables except
13805 lang_specs_files, include all the languages in the tree.
13806 * configure: Regenerate.
13808 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13809 if there is one. Run the commands to run fixincludes in the same
13812 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13813 * doc/install.texi: Document exact conventions for searching target tools.
13814 Document --with-build-time-tools. Document toplevel bootstrap. Document
13815 something more about building an Ada cross-compiler. Don't list GNU Make
13816 requirements which affect all platforms.
13818 2006-02-19 Roger Sayle <roger@eyesopen.com>
13820 PR middle-end/19543
13821 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13822 only equivalent if the have both the same mode and precision.
13824 2006-02-20 Ben Elliston <bje@au.ibm.com>
13826 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13828 2006-02-19 Roger Sayle <roger@eyesopen.com>
13829 Steven Bosscher <stevenb.gcc@gmail.com>
13831 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13832 constant pool references to identify stack mode constants.
13833 * rtlanal.c (constant_pool_constant_p): New predicate to check
13834 whether operand is a floating point constant in the pool.
13835 * rtl.h (constant_pool_constant_p): Prototype here.
13836 * loop.c (scan_loop): Avoid hoisting constants from the constant
13837 pool on STACK_REGS targets.
13838 (load_mems): Likewise.
13839 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13840 loads into x87 registers expensive in terms of register pressure.
13842 2006-02-19 Roger Sayle <roger@eyesopen.com>
13844 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13845 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13847 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13849 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13850 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13852 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13854 * doc/invoke.texi: Document -fipa-pta.
13855 * common.opt: Add ipa-pta option.
13856 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13857 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13858 (do_ds_constraint): Ditto.
13859 (get_constraint_for): Only add to referenced_vars if
13860 referenced_vars exists.
13861 (insert_into_field_list): Rewrite to do this unsorted.
13862 (insert_into_field_list_sorted): Rename old insert_into_field_list
13864 (create_function_info_for): Use insert_into_field_list_sorted.
13865 (create_variable_info_for): Rewrite so it uses unsorted version,
13866 since the field list is sorted.
13867 (intra_create_variable_infos): Only add to referenced_vars if
13868 referenced_vars exists.
13869 (ipa_pta_execute): Init heapvars, and delete when done.
13870 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13872 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13874 * doc/install.texi: Add missing `@samp'.
13876 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13878 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13881 2006-02-18 Mark Wielaard <mark@klomp.org>
13883 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13884 who added new 4.1 features, bug fixes and integration support.
13886 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13889 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13890 MEM for ABI_V4 pic.
13892 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13894 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13895 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13896 (copy_insn_1): Likewise. Don't copy each field individually.
13898 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13900 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13901 * rtl.c (rtx_size): Rename variable to...
13902 (rtx_code_size): ...this.
13903 (rtx_size): New function.
13904 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13905 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13907 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13908 * rtl.h (rtx_code_size): New variable.
13909 (rtx_size): Change from a variable to a function.
13910 (RTX_SIZE): Rename to...
13911 (RTX_CODE_SIZE): ...this.
13914 PR tree-optimization/17106
13915 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13916 (Anchored Addresses): New section.
13917 * doc/invoke.texi (-fsection-anchors): Document.
13918 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13919 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13920 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13921 * hooks.c (hook_bool_mode_rtx_false): New function.
13922 * hooks.h (hook_bool_mode_rtx_false): Declare.
13923 * gengtype.c (create_optional_field): New function.
13924 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13925 SYMBOL_REF_IN_BLOCK_P is true.
13926 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13927 (min_anchor_offset, max_anchor_offset): Likewise.
13928 (use_anchors_for_symbol_p): New hook.
13929 * toplev.c (compile_file): Call output_object_blocks.
13930 (target_supports_section_anchors_p): New function.
13931 (process_options): Check that -fsection-anchors is only used on
13932 targets that support it and when -funit-at-a-time is in effect.
13933 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13934 if the decl doesn't have one.
13935 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13936 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13937 of force_const_mem through use_anchored_address.
13938 (expand_expr_constant): New function.
13939 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13940 calling expand_expr for INDIRECT_REF.
13941 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13942 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13943 * expr.h (use_anchored_address): Declare.
13944 * loop-unroll.c: Don't declare rtx vectors here.
13945 * explow.c: Include output.h.
13946 (validize_mem): Call use_anchored_address.
13947 (use_anchored_address): New function.
13948 * common.opt (-fsection-anchors): New switch.
13949 * varasm.c (object_block_htab, anchor_labelno): New variables.
13950 (hash_section, object_block_entry_eq, object_block_entry_hash)
13951 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13952 (use_blocks_for_decl_p, change_symbol_section): New functions.
13953 (get_variable_section): New function, split out from assemble_variable.
13954 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13955 use_blocks_for_decl_p say so. Use change_symbol_section if the
13956 symbol has already been created.
13957 (assemble_variable_contents): New function, split out from...
13958 (assemble_variable): ...here. Don't output any code for
13959 block symbols; just pass them to place_block_symbol.
13960 Use get_variable_section and assemble_variable_contents.
13961 (get_constant_alignment, get_constant_section, get_constant_size): New
13962 functions, split from output_constant_def_contents.
13963 (build_constant_desc): Create a block symbol if use_object_blocks_p
13964 says so. Or into SYMBOL_REF_FLAGS.
13965 (assemble_constant_contents): New function, split from...
13966 (output_constant_def_contents): ...here. Don't output any code
13967 for block symbols; just pass them to place_section_symbol.
13968 Use get_constant_section and get_constant_alignment.
13969 (force_const_mem): Create a block symbol if use_object_blocks_p and
13970 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13971 (output_constant_pool_1): Add an explicit alignment argument.
13972 Don't switch sections here.
13973 (output_constant_pool): Adjust call to output_constant_pool_1.
13974 Switch sections here instead. Don't output anything for block symbols;
13975 just pass them to place_block_symbol.
13976 (init_varasm_once): Initialize object_block_htab.
13977 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13978 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13979 (place_block_symbol, get_section_anchor, output_object_block)
13980 (output_object_block_htab, output_object_blocks): New functions.
13981 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13982 (TARGET_ASM_OUT): Include it.
13983 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13984 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13985 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13986 (TARGET_INITIALIZER): Include them.
13987 * rtl.c (rtl_check_failed_block_symbol): New function.
13988 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13989 (block_symbol, object_block): New structures.
13990 (rtx_def): Add a block_symbol field to the union.
13991 (BLOCK_SYMBOL_CHECK): New macro.
13992 (rtl_check_failed_block_symbol): Declare.
13993 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13994 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13995 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13996 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13997 * output.h (output_section_symbols): Declare.
13998 (object_block): Name structure.
13999 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14000 (default_use_anchors_for_symbol_p): Declare.
14001 * Makefile.in (RTL_BASE_H): Add vec.h.
14002 (explow.o): Depend on output.h.
14003 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14004 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14005 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14006 (rs6000_use_blocks_for_constant_p): New function.
14008 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14010 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14012 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14015 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14018 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14020 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14024 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14026 PR middle-end/26334
14027 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14028 instead of DECL_REGISTER.
14030 2006-02-18 Olivier Hainque <hainque@adacore.com>
14033 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14035 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14038 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14039 * opth-gen.awk: Handle Var and InverseMask together.
14040 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14041 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14042 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14043 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14045 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14046 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14047 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14048 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14049 LINUX_DYNAMIC_LINKER): Define.
14050 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14051 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14053 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14054 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14055 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14056 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14057 (TARGET_C99_FUNCTIONS): Don't define.
14058 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14059 GLIBC_DYNAMIC_LINKER.
14060 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14061 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14062 GLIBC_DYNAMIC_LINKER64): Define.
14063 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14064 LINUX_DYNAMIC_LINKER64.
14065 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14066 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14067 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14068 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14069 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14070 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14071 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14072 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14073 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14074 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14075 and LINUX_DYNAMIC_LINKER32.
14076 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14077 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14078 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14079 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14080 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14082 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14083 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14084 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14085 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14086 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14087 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14088 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14089 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14090 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14091 LINUX_DYNAMIC_LINKER): Define.
14092 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14093 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14094 GLIBC_DYNAMIC_LINKER64): Define.
14095 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14096 LINUX_DYNAMIC_LINKER64.
14097 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14098 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14099 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14100 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14101 LINUX_DYNAMIC_LINKER): Define.
14102 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14103 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14104 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14105 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14106 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14107 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14108 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14109 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14110 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14111 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14112 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14113 * doc/invoke.texi (-muclibc): Remove caveat about supported
14116 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14118 * doc/cpp.texi (__TIMESTAMP__): Document.
14120 2006-02-17 Roger Sayle <roger@eyesopen.com>
14122 PR middle-end/25600
14123 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14124 C is one less than the width of X (and related transformations).
14125 * simplify-rtx.c (simplify_unary_operation_1): Transform
14126 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14127 depending on STORE_FLAG_VALUE, were C is one less then the
14130 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14132 Fix PR tree-optimization/26341
14133 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14134 about NAME_MEMORY_TAG's.
14136 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14139 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14140 with hardware float support, and software float support. Add fcpy
14141 alternative to hardware patterns. Add alternatives to copy between
14142 general and floating-point registers to the 32-bit pattern.
14143 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14144 secondary reload to load a QI or HI mode constant into a floating
14146 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14147 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14149 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14152 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14154 (load_macho_picbase_di): Likewise.
14156 2006-02-16 Jeff Law <law@redhat.com>
14158 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14159 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14160 (ssa_name_nonzero_p): Likewise.
14161 (get_value_range): Return NULL if VRP is not running.
14162 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14163 VRP routines do not discover a range.
14164 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14165 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14166 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14167 (tree_expr_nonnegative_p): Similarly.
14168 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14169 (restore_nonzero_vars_to_original_value): Remove.
14170 (unsafe_associative_fp_binop): Remove.
14171 (tree_ssa_dominator_optimize): Remove initialization and
14172 finalization of nonzero_vars and nonzero_vars_stack.
14173 (dom_opt_initialize_block): No longer push marker on
14174 nonzero_vars_stack.
14175 (dom_opt_finalize_block): No longer call
14176 restore_nonzero_vars_to_original_value.
14177 (record_equivalences_from_phis): No longer look for
14178 nonzero PHI arguments.
14179 (cprop_into_successor_phis): No longer propagate nonzero
14180 property into PHI arguments. Lose unused argument. Caller
14182 (record_equivalences_from_stmt): No longer record nonzero
14183 values for SSA_NAMEs.
14184 (lookup_avail_expr): No longer use nonzero_vars.
14186 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14187 for sizetype when sizetype is unsigned.
14189 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14191 PR rtl-optimization/25603
14192 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14193 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14194 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14195 with new meaning of SETS.
14197 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14202 * config/linux.opt: New file.
14203 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14204 LINUX_DYNAMIC_LINKER): Define.
14205 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14206 * config.gcc (*-*-linux*): Define extra_options.
14207 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14208 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14209 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14210 GLIBC_DYNAMIC_LINKER.
14211 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14212 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14213 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14214 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14215 * doc/invoke.texi (GNU/Linux Options): New section.
14217 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14219 * config/sparc/sparc.md (setjmp): Rewrite.
14220 (setjmp_32): Delete.
14221 (setjmp_64): Likewise.
14223 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14225 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14228 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14230 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14233 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14235 PR rtl-optimization/26296
14236 * Makefile.in (loop-invariant.c): Add except.h dependency.
14237 * loop-invariant.c: Include except.h.
14238 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14240 2005-02-16 Paul Brook <paul@codesourcery.com>
14242 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14245 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14247 PR rtl-optimization/25636
14248 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14249 when deciding whether an insn is an initializing insn.
14251 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14253 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14254 (tree_code_size): Ditto.
14255 * tree.h (struct tree_memory_tag): Remove parent_var.
14256 (struct tree_struct_field_tag): New.
14259 (union tree_node): Add sft member.
14260 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14262 (create_sft): Add size and offset argument, set SFT_OFFSET and
14264 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14265 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14266 * tree-flow-inline.h (get_subvar_at): Update for
14267 SFT_OFFSET/SFT_SIZE.
14268 (var_can_have_subvars): Ditto.
14269 (overlap_subvar): Ditto.
14270 * print-tree.c (print_node): Print out interesting things for
14272 * tree-flow.h (struct subvar): Remove offset and size members.
14273 * tree-ssa-operands.c (get_expr_operands): Update for
14274 get_indirect_ref_operands changes.
14275 (get_indirect_ref_operands): Call add_virtual_operand instead of
14276 add_stmt_operand. Only recurse on base var if requested.
14277 (access_can_touch_variable): New function.
14278 (add_stmt_operand): Split virtual operand handling into ...
14279 (add_virtual_operand): Here. Add offset, size, and for_clobber
14280 arguments. Prune alias sets.
14281 (add_call_clobber_ops): Call add_virtual_operand.
14283 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14285 PR middle-end/26300
14286 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14288 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14289 than TREE_CODE as index into omp_clause_num_ops array.
14291 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14293 PR rtl-optimization/26184
14294 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14296 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14297 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14298 must_precede, must_follow and tobe_scheduled.
14301 * opts.c (common_handle_option): Free new_option pointer.
14302 * df-core.c (df_analyze): Free postorder pointer.
14304 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14306 * Makefile.in: Fix the examples about the use of stamps
14308 2006-02-15 Michael Matz <matz@suse.de>
14310 PR middle-end/22275
14312 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14313 influenced by maximum_field_alignment or DECL_PACKED.
14314 (update_alignment_for_field): Ditto.
14315 (place_field): Ditto.
14316 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14319 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14321 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14322 (debug_flow_info): Pass it.
14323 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14324 * bb-reorder.c (reorder_basic_blocks): Likewise.
14325 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14326 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14327 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14328 * gcse.c (gcse_main, bypass_jumps): Likewise.
14329 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14330 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14331 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14332 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14333 * rtl.h (dump_flow_info): Adjust prototype.
14334 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14335 * var-tracking.c (variable_tracking_main): Likewise.
14336 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14337 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14340 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14342 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14345 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14347 PR tree-optimization/26209
14348 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14349 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14351 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14353 2006-02-14 Roger Sayle <roger@eyesopen.com>
14355 PR middle-end/23670
14356 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14357 (X,Y) and the corresponding symmetry related transformations.
14358 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14359 (X,Y) and its symmetry related transformations.
14361 2006-02-14 Roger Sayle <roger@eyesopen.com>
14363 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14366 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14368 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14370 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14373 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14374 support COMDAT group.
14375 * configure: Regenerate.
14377 2006-02-14 Roger Sayle <roger@eyesopen.com>
14379 PR middle-end/26279
14380 PR middle-end/26280
14381 PR middle-end/26283
14382 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14384 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14386 Fix PR tree-optimization/26260
14388 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14390 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14391 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14392 * tree-ssa-structalias.c (create_variable_info_for): Use
14393 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14395 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14397 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14399 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14400 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14401 of the ending condition.
14402 * tree-ssa-loop-manip.c: Include params.h.
14403 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14404 tree_unroll_loop): New functions.
14405 * tree-pass.h (pass_loop_prefetch): Declare.
14406 * loop.c (rest_of_handle_loop_optimize): Test for
14407 -fprefetch-loop-arrays-rtl.
14408 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14409 * timevar.def (TV_TREE_PREFETCH): New timevar.
14410 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14411 pass_loop_prefetch): New.
14412 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14413 (cleanup_tree_cfg_loop): Call scev_reset.
14414 * common.opt (fprefetch-loop-arrays-rtl): Add.
14415 * tree-ssa-loop-prefetch.c: New file.
14416 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14417 (new_temp_expr_table): Initialize expr_vars.
14418 (free_temp_expr_table): Cleanup expr_vars.
14419 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14420 expressions from being merged into one.
14421 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14422 (struct tree_niter_desc): Add control, bound and cmp fields.
14423 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14425 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14426 (tree-cfgcleanup.o): Add SCEV_H dependency.
14427 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14428 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14430 2006-02-14 Richard Guenther <rguenther@suse.de>
14432 PR tree-optimization/26258
14433 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14434 in PHI argument processing.
14436 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14438 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14439 new expression in the requested machine mode.
14441 2006-02-13 Roger Sayle <roger@eyesopen.com>
14443 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14444 directly, instead let do_compare_rtx_and_jump handle this for us.
14445 * expr.c (expand_expr_real_1): Likewise.
14446 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14447 before do_jump_by_parts_greater.
14448 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14449 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14451 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14453 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14455 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14457 PR rtl-optimization/26235
14458 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14459 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14462 2006-02-13 Jeff Law <law@redhat.com>
14464 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14467 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14469 PR middle-end/26092
14470 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14471 twice if decl is a builtin. When trying again, call get_callee_fndecl
14472 first to verify it is still a builtin.
14474 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14476 * dwarf2out.c (base_type_die): Don't add AT_name here.
14477 (subrange_type_die): Don't add AT_name here.
14478 (modified_type_die): Rearrange code flow. Do add AT_name here.
14480 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14482 PR rtl-optimization/26247
14483 PR rtl-optimization/26248
14484 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14486 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14488 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14489 * config/fixtfdi.c: Likewise.
14490 * config/fixunstfdi.c: Likewise.
14491 * config/floatditf.c: Likewise.
14493 2006-02-13 Roger Sayle <roger@eyesopen.com>
14495 PR middle-end/24427
14496 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14497 into (X,C2) if C1 is a subset of the bits of C2. Transform
14498 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14500 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14502 2006-02-13 Josh Conner <jconner@apple.com>
14505 * varasm.c (function_section): Check for section name before
14506 calling select_section on targets that define
14507 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14508 unlikely_text_section instead of hot_function_section if
14509 first_function_block_is_cold.
14511 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14513 PR middle-end/25335
14514 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14516 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14518 PR rtl-optimization/26222
14519 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14520 after tree->rtl expansion.
14521 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14522 before passing it to emit_move_insn.
14524 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14526 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14528 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14529 Clarify documentation.
14530 * c-common.h (warn_write_strings): Remove.
14531 * c-common.c (warn_write_strings): Likewise.
14532 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14535 2006-02-12 Roger Sayle <roger@eyesopen.com>
14537 PR middle-end/25724
14538 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14539 (do_jump_parts_zero_rtx): New function renamed from
14540 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14541 (do_jump_parts_equality_rtx): New function split out from
14542 do_jump_parts_equality. Old implementation renamed as above.
14543 Call do_jump_parts_zero_rtx if either operand is zero.
14544 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14545 do all of the heavy lifting.
14546 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14547 calling either do_jump_by_parts_greater_rtx or
14548 do_jump_by_parts_equality_rtx.
14549 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14550 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14551 moved to do_compare_rtx_and_jump, call it directly.
14552 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14553 mode argument. Call do_compare_rtx_and_jump.
14554 (emit_case_nodes): Update calls to do_jump_if_equal.
14556 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14558 PR rtl-optimization/26225
14559 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14561 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14563 PR rtl-optimization/26232
14564 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14566 2006-02-11 Jason Merrill <jason@redhat.com>
14569 * tree-inline.c (declare_return_variable): Just don't use the
14570 modify target if it's a gimple complex reg and the return slot
14573 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14575 * doc/contrib.texi: Update my entry.
14577 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14579 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14581 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14583 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14586 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14588 * doc/invoke.texi (-floop-optimize2): Removed.
14589 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14590 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14591 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14592 * common.opt (floop-optimize2): Removed.
14593 (fmove-loop-invariants): Enabled by default.
14595 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14597 * tree-if-conv.c (combine_blocks): Free the result of
14598 get_loop_exit_edges.
14600 2006-02-10 Jeff Law <law@redhat.com>
14602 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14604 PR tree-optimization/26213
14605 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14606 loop trying to follow SSA_NAME_VALUE chains.
14608 2006-02-10 Richard Guenther <rguenther@suse.de>
14610 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14611 deal with structures that end in implicitly variable sized arrays.
14613 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14615 PR rtl-optimization/24762
14616 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14619 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14621 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14622 (struct ivopts_data): Add regs_used field.
14623 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14624 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14625 instead of loop_data->regs_used;
14626 (free_loop_data): Do not free aux fields for loops.
14627 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14628 and tree_ssa_iv_optimize_finalize.
14630 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14632 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14634 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14637 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14638 computing the effective result type.
14640 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14642 PR inline-asm/16194
14643 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14644 (tree_overlaps_hard_reg_set): Declare.
14645 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14646 type and signature to match function type expected by walk_tree.
14647 (tree_overlaps_hard_reg_set): New function.
14648 (decl_conflicts_with_clobbers_p): Rename to:
14649 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14650 Use tree_overlaps_hard_reg_set. Changed caller.
14651 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14652 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14653 * cris.c (cris_md_asm_clobbers): Likewise.
14655 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14657 * reload1.c (emit_input_reload_insns): Delete code that tries to
14658 inherit using find_equiv_reg.
14660 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14662 * c-common.h (flag_const_strings): Don't declare.
14663 * c-common.c (flag_const_strings): Remove.
14664 * c.opt (fconst_strings): Remove.
14665 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14666 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14667 (c_common_init_options): Don't set flag_const_strings.
14668 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14670 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14672 * arm.md (tlobits_cbranch): New pattern.
14673 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14674 testing a single bit.
14676 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14679 * tree-ssa-pre.c (create_component_ref_by_pieces):
14680 Handle RETURN_DECL like VAR_DECL.
14682 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14684 PR middle-end/26134
14685 * fold-const.c (fold_indirect_ref_1): Fold
14686 "*(foo *)&complexfoo" to "__real__ complexfoo"
14687 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14689 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14691 * tree-flow-inline.h (var_can_have_subvars):
14692 Volatile variables should not have subvariables.
14694 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14697 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14698 multiplying unsigned values.
14701 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14703 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14705 2006-02-08 Jason Merrill <jason@redhat.com>
14708 * tree.def: Elaborate on difference from MODIFY_EXPR.
14709 * doc/c-tree.texi (INIT_EXPR): Likewise.
14710 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14711 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14712 (gimplify_target_expr): Likewise.
14713 (gimplify_cond_expr): Remove target handling.
14714 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14715 (gimplify_expr): Clobber it here.
14716 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14717 Do return slot optimization if we have an INIT_EXPR.
14720 * tree-inline.c (declare_return_variable): Also clear
14721 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14724 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14726 PR middle-end/22439
14727 * gimplify.c (gimplify_one_sizepos): Fix typo.
14729 2006-02-08 Jeff Law <law@redhat.com>
14731 PR tree-optimization/21417
14732 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14733 across a backedge if the control statement at the end of the
14734 block is data dependent on other statements in the same block.
14735 (record_temporary_equivalences_from_stmts): Remove over-conservative
14736 test for threading across backedges.
14738 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14739 control statement, handle all three special cases in the same
14740 manner as they all have the same desired solution. No longer
14741 special case edge flag updating when the post dominator is
14744 2006-02-08 Roger Sayle <roger@eyesopen.com>
14746 * tree.def (CHAR_TYPE): Remove.
14747 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14748 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14749 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14750 (gen_string_type_die): Delete unreachable function.
14752 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14753 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14754 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14755 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14756 * builtins.c (type_to_class): Likewise.
14757 * fold-const.c (fold_convert, build_range_check,
14758 merge_ranges): Likewise.
14759 * expr.c (count_type_elements): Likewise.
14760 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14761 * stor-layout.c (layout_type): Likewise.
14762 * ipa-type-escape.c (type_to_consider): Likewise.
14763 * gimplify.c (omp_firstprivatize_type_sizes,
14764 gimplify_type_sizes): Likewise.
14765 * explow.c (promote_mode): Likewise.
14766 * tree-sra.c (is_sra_scalar_type): Likewise.
14767 * varasm.c (output_constant): Likewise.
14768 * tree-inline.c (remap_type_1): Likewise.
14769 * convert.c (convert_to_pointer, convert_to_real,
14770 convert_to_integer, convert_to_complex): Likewise.
14772 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14774 * df-scan.c (df_def_record_1): A set destination may
14775 be a parallel regardless of mode.
14777 2006-02-08 Roger Sayle <roger@eyesopen.com>
14780 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14781 * config/mips/_tilib.c: Remove.
14782 * config/fixtfdi.c: New libgcc source file.
14783 * config/fixunstfdi.c: New source file.
14784 * config/floatditf.c: New source file.
14785 * config/floatunditf.c: New souce file.
14786 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14787 files above instead of config/mips/_tilib.c.
14788 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14790 2006-02-08 Jeff Law <law@redhat.com>
14792 PR tree-optimization/26169
14793 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14796 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14798 * df.h (DF_REG_SIZE): Return the length of the initialized
14801 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14803 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14804 __muldf3): Return a correctly signed zero.
14806 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14808 * passes.c (register_one_dump_file): Accept the current properties
14809 instead of pass number. Adjust call to dump_register. Remove
14811 (register_dump_files): Now a wrapper around...
14812 (register_dump_files_1): ... this one. Do not modify the pass
14814 (next_pass_1): Cosmetic fix.
14815 (execute_todo): Keep second parameter only. Use curr_properties
14816 instead of fetching it from the pass structure. Check and set
14818 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14819 instead of fetching it from the pass structure. Fix calls to
14820 execute_todo. Update curr_properties and initialize .vcg RTL dump
14821 after running the pass. Reset last_verified.
14822 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14824 (FIRST_AUTO_NUMBERED_DUMP): New.
14825 (dump_register): Remove "num" parameter, assign it within the
14827 (get_dump_file_name): Modify template for dumps.
14828 * tree-dump.h (dump_register): Adjust prototype.
14829 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14830 (PROP_trees): Add PROP_gimple_lomp.
14831 (TODO_set_props): New.
14832 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14833 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14834 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14836 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14838 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14839 (sparc64-*-linux*): Likewise.
14840 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14841 * config/sparc/t-linux: New file.
14842 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14843 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14844 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14845 -m32 -mlong-double-128.
14847 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14848 * config/alpha/t-linux: New file.
14849 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14851 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14852 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14853 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14854 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14855 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14856 (CPP_ARCH32_SPEC): Remove.
14858 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14860 PR tree-optimization/26145
14861 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14864 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14867 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14868 >= 240000 when generating code for SOM runtime.
14869 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14870 to $$dyncall when generating code for SOM runtime..
14872 2006-02-07 Dirk Mueller <dmueller@suse.com>
14875 * doc/invoke.texi (-Wsequence-point): Update documentation
14876 that -Wsequence-point is implemented for C++ as well.
14878 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14880 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14881 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14882 (LIB_SPEC): Likewise.
14883 * doc/invoke.texi (SPARC options): Document -pthread.
14885 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14887 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14890 2006-02-07 Roger Sayle <roger@eyesopen.com>
14892 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14893 Correct comment describing BOOLEAN_TYPE.
14895 2006-02-07 Dirk Mueller <dmueller@suse.com>
14897 * c.opt: C++ frontend supports -Wdiv-by-zero.
14898 * c-opts.c (c_common_handle_option): Remove dead case.
14900 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14902 * configure.ac (TLS assembler check): Do not enable TLS by
14903 default on SPARC/Solaris before version 10.
14904 * configure: Regenerate.
14906 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14908 * doc/invoke.texi (xl-compat): Document conversion and support
14911 2006-02-07 Jeff Law <law@redhat.com>
14913 * tree-vrp.c (find_conditional_asserts): Update comments.
14914 (simplify_stmt_for_jump_threading): New.
14915 (identify_jump_threads, finalize_jump_threads): New.
14916 (vrp_finalize): Call identify_jump_threads.
14917 (execute_vrp): Call finalize_jump_threads.
14918 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14919 (vrp_element, vrp_data, vrp_element_p): Remove.
14920 (vrp_hash_elt, vrp_variables_stack): Remove.
14921 (vrp_hash, vrp_eq, record_range): Remove.
14922 (simplify_cond_and_lookup_avail_expr): Remove.
14923 (extract_range_from_cond): Remove.
14924 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14925 (simplify_stmt_for_jump_threading): New.
14926 (dom_thread_across_edge): New wrapper.
14927 (tree_ssa_dominator_optimize): No longer initialize or
14928 finalize any of the VRP datastructures. Remove iteration
14929 step and simplify as a result of removal of iteration step.
14930 (pass_dominator): Perform a cfg cleanup after DOM.
14931 (dom_opt_finalize_block): Use the new common routines
14932 for threading jumps. Simplify stack management slightly.
14933 No longer need to unwind VRP state.
14934 (record_equivalences_from_incoming_edge): No longer record
14936 (eliminate_redundant_computations): No longer call
14937 simplify_cond_and_lookup_avail_expr.
14938 * tree-flow.h (potentially_threadable_block): Prototype.
14939 (thread_across_edge): Likewise.
14940 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14941 (tree-ssa-threadedge.o): Add dependencies.
14942 * tree-ssa-threadedge.c: New file.
14943 * passes.c (init_optimization_passes): Merge PHIs before
14944 calling VRP. Run VRP again late in the SSA optimization pipeline.
14946 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14948 * df-core.c (df_set_blocks): Do not dereference function pointers.
14949 (df_finish1): Likewise.
14950 (df_hybrid_search_forward): Likewise.
14951 (df_hybrid_search_backward): Likewise.
14952 (df_iterative_dataflow): Likewise.
14953 (df_analyze_problem): Likewise.
14954 (df_compact_blocks): Likewise.
14955 (df_dump): Likewise.
14956 * df-scan.c (df_rescan_blocks): Likewise.
14957 (df_record_entry_block_defs): Likewise.
14959 * genconditions.c (write_conditions): Guard the definition of
14960 'insn_conditions' with the check on GCC version.
14961 (write_writer): Guard the traversal 'insn_conditions' with
14962 the check on GCC version.
14964 2006-02-07 Richard Guenther <rguenther@suse.de>
14968 2006-01-30 Richard Guenther <rguenther@suse.de>
14970 * gimplify.c (gimplify_target_expr): Handle easy cases
14971 without creating a temporary.
14973 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14975 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14976 use of float in probability computations. Use edge probabilities
14977 in place of statically computed probabilities.
14978 (min_spec_prob): New static variable.
14979 (schedule_insns): Initialize it.
14980 (GET_SRC_PROB): Removed.
14981 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14983 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14986 * config/ia64/unwind-ia64.c: Revert last change.
14987 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14988 (INCOMING_FRAME_SP_OFFSET): Define.
14990 2006-02-06 Roger Sayle <roger@eyesopen.com>
14992 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14994 2006-02-07 Ben Elliston <bje@au.ibm.com>
14996 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14997 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14998 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14999 (ix86_return_in_memory): Handle TDmode.
15000 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15001 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15003 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15005 * reorg.c (dbr_schedule): Use dump_file instead of file.
15007 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15010 * config/ia64/predicates.md (extr_len_operand): New predicate.
15011 * config/ia64/ia64.md (extv): Tighten constraints.
15013 (*tbit_and_2): Ditto.
15014 (*tbit_and_3): Ditto.
15015 (*tbit_or_2): Ditto.
15016 (*tbit_or_3): Ditto.
15017 (*bit_zero): Ditto.
15020 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15023 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15025 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15027 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15028 loop_optimizer_init and loop_optimizer_finalize
15029 * tree-ssa-sink.c (execute_sink_code): Ditto.
15030 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15031 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15032 tree_ssa_loop_done): Ditto.
15033 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15034 * sched-ebb.c: Include output.h.
15035 (schedule_ebbs): Do not use dump argument.
15036 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15037 * loop.c (loop_dump_stream): Removed.
15038 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15040 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15041 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15042 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15043 loop_iterations, strength_reduce, record_biv, record_giv,
15044 final_giv_value, check_final_value, check_ext_dependent_givs,
15045 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15046 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15047 dump_file instead of loop_dump_stream.
15048 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15049 argument dump_file.
15050 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15052 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15053 * haifa-sched.c: Include output.h
15054 (schedule_insns, sched_init): Do not use dump argument.
15055 * mode-switching.c (optimize_mode_switching): Ditto.
15056 * modulo-sched.c (stats_file): Removed.
15057 (print_node_sched_params): Do not call argument dump_file.
15058 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15059 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15061 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15063 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15064 rtl_loop_init, rtl_loop_done): Ditto.
15065 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15066 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15068 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15069 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15070 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15071 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15072 * emit-rtl.c (renumber_insns): Ditto.
15073 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15074 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15075 * regclass.c (regclass): Ditto.
15076 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15077 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15078 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15079 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15081 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15082 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15084 * gcse.c (gcse_file, debug_stderr): Removed.
15085 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15086 rest_of_handle_gcse): Do not use dump argument.
15087 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15088 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15089 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15090 compute_code_hoist_vbeinout, compute_code_hoist_data,
15091 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15092 compute_store_table, build_store_vectors, insert_insn_start_bb,
15093 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15094 store_motion): Use dump_file instead of gcse_file.
15095 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15096 * profile.c (profile_dump_file): Removed.
15097 (branch_prob): Use dump_file instead of profile_dump_file.
15098 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15100 * tree-ssa-copy.c (dump_copy_of): Ditto.
15101 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15102 dump file to life_analysis.
15103 * bt-load.c (branch_target_load_optimize): Ditto.
15104 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15106 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15107 regclass, dbr_schedule): Declaration changed.
15108 * sched-int.h (sched_init): Declaration changed.
15109 * tree-profile.c (tree_profile_dump_file): Removed.
15110 (tree_profile_hooks): Removed profile_dump_file hook.
15111 * rtl-profile (rtl_profile_dump_file): Removed.
15112 (rtl_profile_hooks): emoved profile_dump_file hook.
15113 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15115 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15116 * tree-cfg.c (build_tree_cfg): Ditto.
15117 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15118 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15119 Declaration changed.
15120 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15121 life_analysis and schedule_insns.
15122 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15124 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15126 * config/mips/mips.c (mips_reorg): Ditto.
15127 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15130 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15132 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15133 (s390_mangle_fundamental_type): New.
15134 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15137 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15138 (alpha_mangle_fundamental_type): New.
15139 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15142 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15144 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15146 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15147 (sparc_mangle_fundamental_type): New.
15149 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15151 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15152 (s390x-*-linux*): Likewise.
15153 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15154 * config/s390/t-linux: New file.
15156 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15158 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15159 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15161 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15163 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15164 (ANTIC_SAFE_LOADS): New macro.
15165 (find_or_generate_expression): Add prototype.
15166 (set_contains_value): Allow null set for sake of not always having
15167 to allocate ANTIC_SAFE_LOADS.
15168 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15169 Allow COMPONENT_REF too.
15170 (valid_in_set): Allow COMPONENT_REF.
15171 Check ANTIC_SAFE_LOADS too.
15172 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15173 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15175 (can_PRE_operation): Add COMPONENT_REF.
15176 (create_component_ref_by_pieces): New function.
15177 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15178 (insert_aux): Move AGGREGATE_TYPE_P check here.
15179 (compute_avail): Set bb local stmt uids.
15180 (pass_pre): Use TODO_update_ssa_only_virtuals.
15182 2006-02-06 Ben Elliston <bje@au.ibm.com>
15184 * configure.ac: Unconditionally disable decimal float by default.
15185 * configure: Regenerate.
15187 2006-02-06 Ben Elliston <bje@au.ibm.com>
15189 * read-rtl.c (read_name): Terminate reading on EOF.
15191 2006-02-06 Ben Elliston <bje@au.ibm.com>
15193 * dfp.c (decimal_real_arithmetic): Change second argument type
15194 from int to enum tree_code. Do not always return true, but now
15195 return result of any call to decimal_do helper functions.
15196 * dfp.h (decimal_real_arithmetic): Update prototype.
15198 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15200 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15202 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15205 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15208 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15210 * tree-vrp.c (cfg_loops): Removed.
15211 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15212 Use current_loops instead of cfg_loops. Pass flags to
15213 loop_optimizer_init.
15214 * cfgloopmanip.c (fix_loop_structure): Update only available
15216 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15217 loop_optimizer_init.
15218 * modulo-sched.c (build_loops_structure): Removed.
15219 (sms_schedule): Use loop_optimizer_init.
15220 * loop-init.c (loop_optimizer_init): Use flags to determine
15221 which properties of loops to prepare.
15222 (rtl_loop_init): Pass flags to loop_optimizer_init.
15223 * tree-ssa-sink.c (execute_sink_code): Ditto.
15224 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15225 * tree-ssa-pre.c (init_pre): Ditto.
15226 * cfgloop.h (LOOPS_NORMAL): New.
15227 (loop_optimizer_init): Declaration changed.
15229 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15231 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15232 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15234 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15236 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15238 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15239 * pa/t-pa64: Delete quadlib.c rule.
15240 * pa/x-ada: Revert last change.
15241 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15243 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15245 PR rtl-optimization/26087
15246 * rtlanal.c (canonicalize_condition): Do not cross basic block
15249 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15252 * config/ia64/ia64.c: Include debug.h.
15253 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15254 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15255 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15256 (process_epilogue, process_set, process_for_unwind_directive):
15257 Output unwind info only if requested. Add CFA info if requested.
15258 Add new arguments as needed. Adjust callers.
15259 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15261 (DWARF2_FRAME_INFO): Define to zero.
15262 * config/ia64/unwind-ia64.c: Remove code that compensated for
15263 the CFA offset error fixed above.
15264 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15265 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15266 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15267 -funwind-tables and -fexceptions to enable frame info.
15268 (dwarf2out_frame_init): Define initial CFA even if
15269 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15270 DWARF2_UNWIND_INFO is nonzero, not just defined.
15271 (dwarf2out_frame_finish): Output non-EH call frame info only
15272 if DWARF2_FRAME_INFO is nonzero.
15273 (convert_cfa_to_loc_list,
15274 compute_frame_pointer_to_cfa_displacement): Define even if
15275 unwind info is not supported.
15276 (gen_subprogram_die): Use the above unconditionally. Remove
15277 legacy alternate code.
15278 * toplev.c (compile_file): Compile in call to
15279 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15280 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15282 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15283 Jakub Jelinek <jakub@redhat.com>
15285 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15286 IBM extended float format long double as "g" on powerpc*-linux.
15288 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15291 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15292 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15294 2006-02-03 Jason Merrill <jason@redhat.com>
15297 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15299 PR middle-end/25977
15300 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15301 on the return slot if it's an NRV.
15303 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15305 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15306 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15307 rewrite_use): Do not handle USE_OUTER.
15308 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15309 add_iv_outer_candidates, may_replace_final_value,
15310 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15311 (find_interesting_uses_op): Functionality of
15312 find_interesting_uses_outer_or_nonlin moved here.
15313 (find_interesting_uses_outside): Use find_interesting_uses_op.
15315 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15318 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15320 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15321 Ulrich Weigand <uweigand@de.ibm.com>
15324 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15325 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15326 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15327 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15329 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15330 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15331 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15332 Define secondary reloads for TFmode moves.
15333 (constant_modes): Add TFmode.
15334 (NR_C_MODES): Set to 8.
15335 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15337 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15338 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15339 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15340 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15341 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15342 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15343 (FPR mode macro): Add TFmode.
15344 (DSF mode macro): New.
15345 (<de>, <dee> mode attributes): Removed.
15346 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15347 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15348 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15349 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15350 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15351 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15352 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15353 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15354 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15355 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15356 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15357 "*negabs<mode>2", "sqrt<mode>2"):
15358 Changed <de> to <xde>. R constraint replaced by <Rf>.
15359 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15361 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15362 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15363 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15365 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15366 "extenddftf2", "extendsftf2"): New expanders.
15367 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15368 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15369 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15370 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15372 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15373 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15374 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15375 __floatditf): Add a GCC_4.1.0 symbol version tag.
15376 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15379 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15382 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15383 Use targetm.binds_local_p instead of TREE_PUBLIC.
15385 2006-02-02 Roger Sayle <roger@eyesopen.com>
15387 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15388 on INTEGER_TYPEs to indicate that it denotes a character type.
15389 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15390 signed_char_type_node, unsigned_char_type_node and char_type_node.
15391 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15392 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15393 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15395 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15396 Daniel Berlin <dberlin@dberlin.org>
15398 * tree-tailcall.c (arg_needs_copy_p): New function.
15399 (eliminate_tail_call): Use arg_needs_copy_p.
15400 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15401 (add_virtual_phis): New function.
15403 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15405 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15406 #ignore instead of #scratch for %g7 .register directive.
15408 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15410 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15413 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15415 * flow.c (calculate_global_regs_live): Assert that there aren't any
15418 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15420 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15421 what its name says.
15422 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15423 bsi_after_labels iterator.
15424 * tree-if-conv.c (find_phi_replacement_condition,
15425 replace_phi_with_cond_modify_expr): Likewise.
15426 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15427 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15429 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15431 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15433 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15436 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15437 array after growing it.
15439 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15441 PR middle-end/24901
15442 * fold-const.c (fold_checksum_tree): Change type of buf.
15444 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15446 * reload.c (push_secondary_reload): Initialize t_icode.
15448 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15450 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15451 -msoft-float -mlong-double-128 only issue a warning, but don't
15452 swich to DFmode long double.
15454 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15456 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15457 has a constant equivalent, iterate over equivalents for arg0,
15458 calling simplify_relational_operation and if there's a result
15459 cheaper than X, apply fold_rtx and return the result.
15461 2006-02-01 Jan Hubicka <jh@suse.cz>
15463 * opts.c (no_unit_at_a_time_default): New global variable.
15464 (decode_options): Use it.
15465 * opts.h (no_unit_at_a_time_default): Declare.
15467 2006-02-01 Paul Brook <paul@codesourcery.com>
15469 * function.c (assign_parm_setup_reg): Use function argument promotion
15471 * expr.c (expand_expr_real_1): Use function argument promotion rules
15474 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15476 * gcc.c (process_command): Change j to 'unsigned int'.
15478 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15480 PR middle-end/26001
15481 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15482 Use the corrected index for the character
15483 out of the string constant.
15485 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15487 * mode-switching.c (optimize_mode_switching): Fix size
15488 allocated for bb_info[n_entities].
15490 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15492 * gcc.c (main): Correct type that is allocated for
15493 explicit_link_files.
15495 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15497 * config/s390/s390.c (init_alignment_context): Set
15498 ALIAS_SET_MEMORY_BARRIER on the MEM.
15499 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15501 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15503 PR middle-end/25933
15504 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15506 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15509 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15511 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15512 * regrename.c: Ditto.
15513 * tree-ssa-loop-im.c: Ditto.
15514 * tree-dump.c: Ditto.
15515 * tree-complex.c: Ditto.
15516 * genrecog.c: Ditto.
15517 * tree-ssa-threadupdate.c: Ditto.
15519 * java/class.c: Ditto.
15520 * java/jcf-parse.c: Ditto.
15521 * java/resource.c: Ditto.
15522 * java/except.c: Ditto.
15523 * java/jvspec.c: Ditto.
15524 * java/jcf-write.c: Ditto.
15525 * java/jcf-path.c: Ditto.
15526 * java/gjavah.c: Ditto.
15527 * java/zextract.c: Ditto.
15528 * java/jcf-io.c: Ditto.
15529 * java/jcf.h: Ditto.
15530 * java/buffer.c: Ditto.
15531 * java/lang.c: Ditto.
15532 * java/parse-scan.y: Ditto.
15533 * java/lex.c: Ditto.
15534 * java/lex.h: Ditto.
15535 * cfgloopmanip.c: Ditto.
15536 * postreload-gcse.c: Ditto.
15537 * tree-ssa-loop-manip.c: Ditto.
15538 * postreload.c: Ditto.
15539 * tree-ssa-loop-ch.c: Ditto.
15542 * cppspec.c: Ditto.
15543 * diagnostic.c: Ditto.
15545 * genoutput.c: Ditto.
15547 * cfghooks.c: Ditto.
15548 * cfgloopanal.c: Ditto.
15549 * objc/objc-act.c: Ditto.
15551 * genextract.c: Ditto.
15552 * genautomata.c: Ditto.
15553 * pretty-print.c: Ditto.
15554 * genemit.c: Ditto.
15555 * cgraphunit.c: Ditto.
15557 * df-scan.c: Ditto.
15558 * haifa-sched.c: Ditto.
15559 * dominance.c: Ditto.
15561 * tree-ssa-loop-ivopts.c: Ditto.
15562 * df-core.c: Ditto.
15563 * mode-switching.c: Ditto.
15564 * modulo-sched.c: Ditto.
15566 * ipa-pure-const.c: Ditto.
15568 * fix-header.c: Ditto.
15570 * tree-stdarg.c: Ditto.
15571 * ipa-utils.c: Ditto.
15572 * loop-init.c: Ditto.
15573 * ipa-inline.c: Ditto.
15574 * cfganal.c: Ditto.
15576 * alloc-pool.c: Ditto.
15577 * dwarf2out.c: Ditto.
15579 * genattrtab.c: Ditto.
15580 * tree-ssa-loop-ivcanon.c: Ditto.
15581 * predict.c: Ditto.
15582 * timevar.c: Ditto.
15584 * fortran/gfortranspec.c: Ditto.
15585 * regmove.c: Ditto.
15586 * local-alloc.c: Ditto.
15587 * langhooks.c: Ditto.
15588 * function.c: Ditto.
15589 * tree-vectorizer.c: Ditto.
15591 * ipa-type-escape.c: Ditto.
15593 * tree-if-conv.c: Ditto.
15594 * profile.c: Ditto.
15596 * tree-data-ref.c: Ditto.
15597 * loop-unroll.c: Ditto.
15598 * treelang/treetree.c: Ditto.
15600 * bt-load.c: Ditto.
15601 * ggc-common.c: Ditto.
15603 * coverage.c: Ditto.
15605 * tree-cfgcleanup.c: Ditto.
15606 * tree-ssa-pre.c: Ditto.
15607 * cfgcleanup.c: Ditto.
15608 * loop-invariant.c: Ditto.
15609 * loop-iv.c: Ditto.
15610 * ipa-prop.c: Ditto.
15611 * print-tree.c: Ditto.
15612 * conflict.c: Ditto.
15613 * ggc-page.c: Ditto.
15614 * sched-deps.c: Ditto.
15615 * regclass.c: Ditto.
15616 * tree-object-size.c: Ditto.
15617 * combine.c: Ditto.
15618 * bb-reorder.c: Ditto.
15619 * resource.c: Ditto.
15620 * var-tracking.c: Ditto.
15621 * cfgloop.c: Ditto.
15622 * df-problems.c: Ditto.
15623 * reg-stack.c: Ditto.
15625 * gccspec.c: Ditto.
15626 * sched-rgn.c: Ditto.
15627 * tree-ssa-structalias.c: Ditto.
15628 * tree-ssa-reassoc.c: Ditto.
15629 * config/darwin-c.c: Ditto.
15630 * config/darwin.c: Ditto.
15631 * config/arm/arm.c: Ditto.
15633 * collect2.c: Ditto.
15634 * reload1.c: Ditto.
15636 2006-01-31 Nicolas Pitre <nico@cam.org>
15638 * arm.md (smaxsi3): Make aware of smax_m1.
15641 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15643 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15645 2006-01-31 Richard Guenther <rguenther@suse.de>
15647 * doc/invoke.texi (-msselibm): Document.
15648 * target.h (expand_library_builtin): New target hook.
15649 * builtins.c (expand_builtin): Use expand_library_builtin.
15650 (default_expand_library_builtin): New function.
15651 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15652 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15653 (link_gcc_math_spec): Declare.
15654 (static_specs): Add link_gcc_math_spec.
15655 * expr.h (default_expand_library_builtin): Declare.
15656 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15657 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15658 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15659 * config/i386/i386.opt (msselibm): New target option.
15660 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15661 (ix86_init_sse_abi_builtins): New function.
15662 (ix86_expand_library_builtin): Likewise.
15663 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15664 (override_options): Handle error conditions wrt -msselibm.
15665 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15666 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15667 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15670 2006-01-31 Richard Guenther <rguenther@suse.de>
15671 Paolo Bonzini <bonzini@gnu.org>
15673 * doc/install.texi (--disable-libgcc-math): Document.
15675 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15677 * expr.h (expand_normal): new inline function.
15678 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15679 * dojump.c: use it.
15680 * dwarf2out.c: use it.
15683 * expmed.c: use it.
15684 * except.c: use it.
15685 * config/sparc/sparc.c: use it.
15686 * config/i386/i386.c: use it.
15687 * config/rs6000/rs6000.c: use it.
15688 * config/arm/arm.c: use it.
15689 * config/mips/mips.c: use it.
15690 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15692 2006-01-30 Roger Sayle <roger@eyesopen.com>
15694 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15695 argv to the appropriate type.
15697 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15699 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15702 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15705 * config/s390/s390.c (struct machine_function): New flag
15706 decomposed_literal_pool_addresses_ok_p.
15707 (s390_reorg): Set it before final stage of literal pool transforms.
15708 (s390_decompose_address): Only accept displacements of the form
15709 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15711 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15713 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15714 the comparison routine return.
15716 2006-01-30 Michael Matz <matz@suse.de>
15718 * global.c (find_reg): Only evict for global regs.
15719 Take n_refs into account and dump more info.
15721 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15724 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15725 (pragma_trap, pragma_nosave_low_regs): Likewise.
15726 (current_function_anonymous_args): Likewise.
15727 (sh_deferred_function_attributes): New variable.
15728 (sh_deferred_function_attributes_tail): Likewise.
15729 (print_operand): For '@', look up trap_exit attribute.
15730 (calc_live_regs): Look up trapa_handler attribute. For trapa
15731 handlers, save/restore fpscr, but don't do any other
15732 interrupt-specific saves.
15733 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15734 Fix check for partially saved registers to check for SHmedia.
15735 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15736 (sh_output_function_epilogue): Don't clear any of the removed
15738 (sh_insert_attributes): Don't check pragma_interrupt.
15739 Insert deferred attributes. Check that interrupt attribute is
15740 present for other attributes that require its presence.
15741 (sh_attribute_table): Add new attributes trapa_handler and
15743 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15744 Don't check for pragma_interrupt. Don't store argument.
15745 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15746 (sh_deferred_function_attributes): Declare.
15747 (sh_deferred_function_attributes_tail): Likewise.
15748 * sh.md (sp_switch_1): Add operand. Change generator caller.
15749 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15750 (*return_i): Don't use when trap_exit attribute is in effect.
15751 (*return_trapa): New insn pattern.
15752 * sh-c.c: New file.
15753 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15754 setting c_target_objs and cxx_target_objs.
15755 * t-sh: Add rule for sh-c.o.
15757 2006-01-30 Richard Guenther <rguenther@suse.de>
15760 * gimplify.c (gimplify_target_expr): Handle easy cases
15761 without creating a temporary.
15763 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15765 * vec.h (safe_grow): Remove duplicated line.
15767 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15770 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15771 (expand_omp): ... here.
15772 (expand_omp_parallel): Only remove barriers for combined
15773 parallel+workshare constructs.
15775 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15779 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15780 * tree.c (build_qualified_type): Chain the new type to the original
15781 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15782 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15783 (build_pointer_type_for_mode): Only return unqualified types.
15784 (build_reference_type_for_mode): Likewise.
15786 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15788 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15789 * Makefile.in (CXX_COMPAT_WARN): Define.
15790 * configure: Regenerate.
15792 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15795 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15798 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15800 * toplev.c: Fix thinko.
15802 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15803 Marcin Dalecki <martin@dalecki.de>
15805 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15806 (push_srcloc): Use XNEW.
15807 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15809 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15811 * df-core.c (df_set_blocks): Deleted all variable.
15813 2006-01-28 Ian Lance Taylor <ian@airs.com>
15815 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15816 cgraph_output_pending_asms.
15818 2006-01-28 Zack Weinberg <zackw@panix.com>
15820 * c.opt: Add -W(no-)overlength-strings.
15821 * doc/invoke.texi: Document it.
15822 * c-opts.c (c_common_handle_option): -pedantic implies
15823 -Woverlength-strings, if not explicitly disabled already.
15824 (c_common_post_options): -Woverlength-strings defaults to off, and
15825 is always off for C++.
15826 * c-common.c (fix_string_type): Issue warning about strings longer
15827 than is portable only if warn_overlength_strings. Rearrange code
15828 a little for clarity.
15829 * configure.in: Check for -Wno-overlength-strings as well before
15830 enabling -pedantic in stage 1.
15831 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15832 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15834 * genconditions.c (write_header, write_one_condition)
15835 (write_conditions, write_writer): Consolidate very long strings
15836 that were broken up to fit in C89 portable limit. Don't use
15837 printf when fputs will do.
15839 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15841 * combine.c (simplify_comparison <AND>): Check
15842 TRULY_NOOP_TRUNCATION before start using a subreg.
15844 * config/mips/mips.md (*branch_zero<mode>,
15845 *branch_zero<mode>_inverted, *branch_equality<mode>,
15846 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15847 Remove mode check from comparisons.
15849 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15851 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15853 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15855 * expmed.c (const_mult_add_overflow_p): Remove.
15856 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15858 * recog.c (validate_replace_rtx_subexp): Remove.
15859 * recog.h: Remove the prototype for
15860 validate_replace_rtx_subexp.
15862 * integrate.h: Remove the prototype for
15863 copy_decl_for_inlining.
15864 * rtl.h: Remove the prototype for mark_constant_function.
15865 * tree-vectorizer.h: Remove the prototype for
15866 vect_strip_conversion.
15868 * modulo-sched.c (create_partial_schedule,
15869 free_partial_schedule, reset_partial_schedule): Make them
15872 * hooks.c (hook_bool_rtx_int_false): Remove.
15873 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15875 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15877 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15878 and -mlong-double-128 are incompatible.
15879 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15880 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15881 (TARGET_LIBGCC2_CFLAGS): Define.
15882 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15883 (TARGET_LIBGCC2_CFLAGS): Same.
15884 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15886 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15889 * c-typeck.c (build_binary_op): Perform implicit casts of
15890 operands before shortening them.
15892 * cfgloopmanip.c (split_loop_bb): Remove.
15893 * cfgloop.h: Remove the prototype for split_loop_bb.
15895 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15896 * cfgloop.h: Remove the prototype for
15897 flow_loop_outside_edge_p.
15899 * emit-rtl.c (init_virtual_regs): Make it static.
15900 * function.h: Remove the prototype for init_virtual_regs.
15902 * recog.c (peephole2_optimize): Make it static.
15903 * recog.h: Remove the prototype for peephole2_optimize.
15905 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15907 * df-scan.c (df_record_entry_block_defs): Check if
15908 INCOMING_RETURN_ADDR_RTX is defined.
15910 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15911 Kenneth Zadeck <zadeck@naturalbridge.com>
15913 PR rtl-optimization/24762
15914 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15915 * targhooks.c (hook_void_bitmap): New hook prototype.
15916 * targhoohs.h (hook_void_bitmap): Ditto.
15917 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15918 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15919 * target.h (live_on_entry): New function pointer.
15920 * df-scan.c (df_all_hard_regs): Removed.
15921 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15922 (df_scan_free_internal): Added df->entry_block_defs.
15923 (df_scan_alloc): Ditto.
15924 (df_scan_dump): Ditto.
15925 (df_uses_record): Plumbed flag field properly thru calls.
15926 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15927 This part fixes PR24762.
15928 (df_bb_refs_record): Added code to make the frame and arg
15929 pointers live in EH blocks.
15930 (df_refs_record): Added call to df_record_entry_block_defs.
15931 (df_record_entry_block_defs): New function.
15932 * df-core.c: Added comments to describe new artifical defs.
15933 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15934 (entry_block_defs): New field in struct df.
15935 (df_all_hard_regs): Deleted.
15936 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15937 * df-problems.c (df_ru_bb_local_compute_process_def):
15938 Added code to handle artifical defs in the entry to a function.
15939 (df_ru_bb_local_compute): Ditto.
15940 (df_rd_bb_local_compute_process_def): Ditto.
15941 (df_rd_bb_local_compute): Ditto.
15942 (df_lr_bb_local_compute): Ditto.
15943 (df_ur_bb_local_compute): Ditto.
15944 (df_urec_bb_local_compute): Ditto.
15945 (df_chain_create_bb): Ditto.
15946 (df_ur_local_finalize): Removed entry.
15947 (df_urec_init): Ditto.
15948 (df_urec_local_finalize): Ditto.
15949 (df_ri_bb_compute): Added detection of last use of pseudos.
15950 * Makefile.in (df-scan.o): Updated dependencies.
15951 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15952 * config/mips/mips.c (mips_set_live_on_entry): Added.
15953 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15955 * dce.c (marked_insn_p): Added code to handle artifical defs.
15957 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15959 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15961 (_mm_cvtsi128_si64): Likewise.
15962 (_mm_cvtsd_si64): Likewise.
15963 (_mm_cvttsd_si64): Likewise.
15964 (_mm_cvtsi64_sd): Likewise.
15965 (_mm_cvtsi64_si128): Likewise.
15966 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15967 (_mm_cvtsi64_m64): Likewise.
15968 (_m_to_int64): Likewise.
15969 (_mm_cvtm64_si64): Likewise.
15970 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15971 (_mm_cvttss_si64): Likewise.
15972 (_mm_cvtsi64_ss): Likewise.
15973 (_mm_cvtss_f32): Likewise.
15975 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15977 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15978 for pragma redefine_extname.
15980 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15983 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15984 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15985 -mno-minimal-toc to previous content.
15986 (bispecs): Remove goal.
15987 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15988 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15989 compatibility aliases on powerpc-*-*gnu*.
15990 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15991 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15992 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15993 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15994 (ldblspecs): New goal.
15995 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15996 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15998 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15999 L_sf_to_tf or L_df_to_tf is defined.
16001 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16002 Alan Modra <amodra@bigpond.net.au>
16005 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16006 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16007 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16008 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16009 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16010 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16011 (rs6000_override_options): Initialize rs6000_ieeequad.
16012 Initialize TFmode format to ibm_extended_format if not
16014 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16016 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16017 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16018 (function_arg_advance): IBM long double passed in two FPRs, not
16020 (function_arg): IBM long double passed in FPRs.
16021 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16022 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16023 Only multireg GPR aligned.
16024 (rs6000_init_libfuncs): Enable IBM long double functions if not
16026 (rs6000_generate_compare): Use IBM long double compare if not
16028 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16029 (TARGET_IEEEQUAD): Define.
16030 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16031 not TARGET_IEEEQUAD.
16032 * config/rs6000/rs6000.md: Enable TFmode patterns if
16034 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16035 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16036 and -mlong-double-128 are incompatible.
16037 * doc/invoke.texi (-mabi): Collect options together. Add
16038 ibmlongdouble and ieeelongdouble.
16040 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16042 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16044 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16045 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16046 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16047 * rtl.h (rtunion_def): Remove rt_ptr.
16049 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16050 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16051 * config/i386/winnt.c (i386_pe_mark_dllexport)
16052 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16054 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16056 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16058 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16062 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16063 pthread_key_delete. From John David Anglin. gthrw-ify
16064 pthread_getunique_np only if it it's not a macro. Delete
16066 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16067 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16068 __gthread_objc_condition_signal, __gthread_key_delete): Add
16069 "__attribute__ ((__unused__))" to unused arguments.
16070 (__gthread_recursive_mutex_init_function): Add missing return.
16071 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16072 gthr-posix95.h: Use macro-based approach for name redirection
16073 on targets missing weakref.
16075 2006-01-26 Zack Weinberg <zackw@panix.com>
16077 * genconditions.c (write_header): In generated code, #ifdef out
16078 all includes and fake declarations, except includes of bconfig.h
16079 and system.h, unless GCC_VERSION >= 3001. Do not include
16080 gensupport.h in any case.
16081 (write_conditions): Generate a definition of struct c_test. Add
16082 a comment to the generated #endif.
16083 (write_one_condition): Escape backslashes in string too.
16084 (write_writer): Generated code must escape backslashes and quote
16085 marks (but not newlines) in the strings it writes.
16086 * Makefile.in (build/gencondmd.o): Update dependencies.
16088 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16091 * Makefile.in (insn-automata.o): Add header file dependencies.
16092 * genautomata.c: Add includes.
16094 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16097 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16099 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16101 * configure.ac: Expect target tools paths to be passed from the toplevel
16102 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16104 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16106 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16109 * c.opt (Wpointer-sign): Init to -1.
16110 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16111 OPT_pedantic, to 0 otherwise.
16112 * doc/invoke.texi: Update.
16114 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16116 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16117 constants provided by 80387 instructions in the destination mode.
16119 2006-01-26 Richard Guenther <rguenther@suse.de>
16120 Andrew Pinski <pinskia@physics.uc.edu>
16123 partial PR tree-opt/17064
16124 * tree-ssa-structalias.c (intra_create_variable_infos):
16125 Create heap variables for incoming parameters if
16126 flag_argument_noalias > 1.
16127 (find_what_p_points_to): Look through default defs of
16130 2006-01-26 Jeff Law <law@redhat.com>
16133 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16134 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16135 within the VR_RANGE, use the VR_RANGE as the result, not the
16137 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16138 bounds for the type.
16140 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16142 * tree-ssa-alias.c (maybe_create_global_var): Change
16143 subvar walking to an assertion that we don't have subvar'd variables.
16145 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16148 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16149 Use a new variable, inner. PARM_DECLs are always non-weak.
16151 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16153 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16154 --disable-checking.
16156 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16158 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16160 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16162 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16163 (smax_insn, smin_insn, smax_0, smin_0): New.
16165 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16168 * config/cris/cris.c (cris_order_for_addsi3): New function.
16169 * config/cris/cris-protos.h: Prototype it.
16170 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16171 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16172 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16173 (split for "op.S1 [rx=rx+i],ry (swapped)")
16174 (split for "op(s|u).S1 [rx=rx+i],ry")
16175 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16176 Apply cris_order_for_addsi3 when generating addsi3 insns.
16178 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16180 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16181 (TREE_BLOCK): Add call to EXPR_CHECK.
16183 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16186 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16187 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16188 (dump_omp_clauses): ... here.
16189 (dump_generic_node): Handle OMP_CLAUSE.
16190 * tree.c (omp_clause_num_ops): New.
16191 (omp_clause_code_name): New.
16192 (tree_code_size): Handle OMP_CLAUSE.
16193 (tree_size): Likewise.
16194 (make_node): Document handling of OMP_CLAUSE.
16195 (tree_node_structure): Handle OMP_CLAUSE.
16196 (omp_clause_check_failed): New.
16197 (omp_clause_range_check_failed): New.
16198 (omp_clause_operand_check_failed): New.
16199 (build_omp_clause): New.
16200 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16201 * tree.h (enum omp_clause_code): Declare.
16202 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16203 (OMP_CLAUSE_RANGE_CHECK): Define.
16204 (OMP_CLAUSE_ELT_CHECK): Define.
16205 (omp_clause_check_failed): Declare.
16206 (omp_clause_operand_check_failed): Declare.
16207 (omp_clause_range_check_failed): Declare.
16208 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16209 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16210 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16211 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16212 (OMP_CLAUSE_IF_EXPR): Likewise.
16213 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16214 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16215 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16216 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16217 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16218 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16219 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16220 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16221 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16222 (OMP_CLAUSE_CODE): Define.
16223 (OMP_CLAUSE_SET_CODE): Define.
16224 (OMP_CLAUSE_CODE): Define.
16225 (OMP_CLAUSE_OPERAND): Define.
16226 (struct tree_omp_clause): Declare.
16227 (union tree_node): Add field 'omp_clause'.
16228 * treestruct.def (TS_OMP_CLAUSE): Define.
16229 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16230 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16231 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16232 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16233 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16234 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16235 (OMP_CLAUSE): Define.
16236 * print-tree.c (print_node): Handle OMP_CLAUSE.
16237 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16238 * c-typeck.c: Likewise.
16239 * gimplify.c: Likewise.
16240 * c-omp.c: Likewise.
16241 * tree-nested.c: Likewise.
16242 * tree-inline.c: Likewise.
16243 * c-parser.c: Likewise.
16244 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16247 2006-01-25 Roger Sayle <roger@eyesopen.com>
16249 PR rtl-optimization/25703
16250 * combine.c (try_combine): Handle zero_extract and strict_low_part
16251 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16253 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16255 * global.c: Fix comment typos.
16257 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16260 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16261 Use output_addr_const instead of assemble_name.
16263 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16265 * Makefile.in (sched-vis.o): Update dependencies.
16266 * haifa-sched.c (sched_finish): Clear current_sched_info.
16267 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16268 (dump_flow_info): Call it.
16269 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16271 * basic-block.h (dump_bb_info): Declare.
16272 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16273 option, and apply options only for dump files whose TDF_RTL,
16274 TDF_TREE, or TDF_IPA bits match.
16275 * rtl.h: Declare new functions exported from sched-vis.c.
16276 * sched-vis.c: Enable also if scheduling is not used.
16277 (print_value): Print the mode of registers if not inside scheduling.
16278 (print_insn): Make it work outside the scheduler. Beautify the output
16280 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16282 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16284 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16285 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16286 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16287 depending on the value of CONSTANT_POOL_ADDRESS_P.
16288 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16290 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16291 rather than SYMBOL_REF_DECL.
16292 (rtx_constant_pool): Remove const_rtx_sym_htab.
16293 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16294 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16295 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16296 Remove handling of const_rtx_sym_htab.
16297 (find_pool_constant): Delete.
16298 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16299 rather than find_pool_constant.
16300 (get_pool_constant_for_function): Delete.
16301 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16302 find_pool_constant.
16303 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16304 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16305 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16306 (SYMBOL_REF_CONSTANT): New macro.
16307 (get_pool_constant_for_function): Delete.
16308 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16309 rather than SYMBOL_REF_DECL.
16310 (i386_pe_mark_dllimport): Likewise.
16311 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16312 rather than SYMBOL_REF_DECL.
16313 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16314 (machopic_indirect_call_target): Likewise.
16316 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16318 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16320 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16322 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16324 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16326 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16328 2006-01-24 David Daney <ddaney@avtrex.com>
16331 * configure.ac (enable_tls): New enable option.
16332 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16333 * configure: Regenerate.
16334 * doc/install.texi (--enable-tls): Document new option.
16335 (--disable-tls): Ditto.
16337 2006-01-24 Richard Henderson <rth@redehat.com>
16339 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16340 * alias.c (true_dependence): Respect it.
16341 (canon_true_dependence, write_dependence_p): Likewise.
16342 * builtins.c (get_builtin_sync_mem): Set it.
16344 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16346 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16349 2006-01-24 DJ Delorie <dj@redhat.com>
16351 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16352 for storing constants in single-bit bitfields.
16354 2006-01-25 Ben Elliston <bje@au.ibm.com>
16356 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16358 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16361 * tree-ssa-pre.c (phi_translate): Return NULL
16362 for AGGREGATE_TYPE's.
16364 2006-01-24 Zack Weinberg <zackw@panix.com>
16366 * genautomata.c (process_state_for_insn_equiv_partition):
16367 Use xcalloc for insn_arcs_array.
16368 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16369 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16371 2006-01-24 Richard Henderson <rth@redhat.com>
16373 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16374 update all callers.
16376 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16378 PR rtl-optimization/25890
16379 PR rtl-optimization/25905
16380 * combine.c (expand_compound_operation, expand_field_assignment):
16381 Fail if the bitfield's final position is out of bounds.
16383 2006-01-24 Ian Lance Taylor <ian@airs.com>
16385 PR middle-end/25930
16386 * cgraphunit.c (cgraph_output_in_order): Don't clear
16387 cgraph_asm_nodes until after asm strings have been output.
16389 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16391 * fix-header.c (read_scan_file): Add new parameter imultilib when
16392 calling register_include_chains.
16394 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16396 * omp-low.c: Update documentation.
16398 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16399 Daniel Berlin <dberlin@dberlin.org>
16403 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16404 return from the function.
16406 2006-01-22 Zack Weinberg <zackw@panix.com>
16408 * rtl.def (match_code): Add second argument.
16409 * genpreds.c (write_extract_subexp): New function.
16410 (write_match_code): Add path argument. Use write_extract_subexp.
16411 (write_predicate_expr): Pass path to write_match_code.
16412 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16413 not perform a mode test.
16414 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16415 a subexpression does not constrain the top-level code set.
16416 * read-rtl.c (read_rtx_variadic): New function.
16417 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16418 * doc/md.texi: Document new notation.
16419 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16420 (cmpsi_operand): ... here, using new notation.
16422 2006-01-22 Zack Weinberg <zackw@panix.com>
16424 * varray.c: Remove GENERATOR_FILE #ifdefs.
16426 2006-01-22 Zack Weinberg <zackw@panix.com>
16428 * genautomata.c (output_reserved_units_table): Emit nothing if
16429 description->query_units_num is zero. Remove extra blank line.
16430 (output_cpu_unit_reservation_p): Short circuit
16431 if description->query_units_num is zero.
16433 2006-01-22 Zack Weinberg <zackw@panix.com>
16435 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16436 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16437 nor any of the random handful of variables that used to be necessary
16438 when this program was linked with rtlanal.o. Prune set of forward
16439 function declarations.
16440 (struct attr_desc): Remove static_p field.
16441 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16442 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16443 (attr_string): Do not read the character one past the length of
16445 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16446 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16447 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16448 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16449 (make_automaton_attrs): New.
16450 (main): Do not call into genautomata. Call local gen_bypass
16451 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16452 Remove special case for insn_alts.
16453 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16454 varray.h (leftover from previous change). Prune set of forward
16455 function declarations. Remove state_alts fields from all
16456 structures. Remove state_alts_table from struct automaton.
16457 Make everything except main static. Do not maintain num_dfa_decls.
16458 Do not maintain state_alts fields of various structures.
16459 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16460 (add_arc): Remove state_alts argument. All callers updated.
16461 (output_reserved_units_table): Emit #ifdef here...
16462 (output_tables): ...not here. Don't generate state_alts tables.
16463 (expand_automata): Don't generate attributes.
16464 (write_automata): Don't generate state_alts functions.
16465 (main): New function.
16466 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16467 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16468 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16469 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16470 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16471 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16472 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16473 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16475 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16476 * genattrtab.h: Delete file.
16477 * Makefile.in (OBJS-common): Add insn-automata.o.
16478 (insn-automata.o): New rule.
16479 (simple_generated_c): Add insn-automata.c.
16480 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16481 (genprogmd): Add automata.
16482 (build/genattrtab): Needs no extra objects nor libraries.
16483 (build/genautomata): Needs build/vec.o and -lm.
16485 2006-01-22 Zack Weinberg <zackw@panix.com>
16487 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16488 (output_dfa_max_issue_rate, locked_states_num): Delete.
16489 (struct automaton): Add locked_states field.
16490 (output_dead_lock_vect): Save number of locked states in
16491 automaton->locked_states. If it is zero, don't print anything.
16492 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16493 (output_internal_dead_lock_func): Only test the dead_lock_vect
16494 for automata that have locked states.
16495 (output_statistics): Always print the number of locked states for
16496 each automaton. Calculate total number of locked states here.
16497 (write_automata): Don't call output_dfa_max_issue_rate.
16498 * genattrtab.c: Define length_unit_log as a const variable.
16499 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16500 max_insn_queue_index const.
16501 * final.c (length_unit_log): Declare const.
16502 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16504 2006-01-22 Zack Weinberg <zackw@panix.com>
16506 * genautomata.c: Include vec.h, not varray.h.
16507 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16508 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16509 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16510 VEC_* macros operating on appropriately typed vectors, or to
16511 malloced arrays when the size is known in advance. Const-ify
16512 many char* variables and function arguments. No functional changes.
16513 * Makefile.in (build/varray.o): Delete rule.
16514 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16515 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16517 2006-01-22 Zack Weinberg <zackw@panix.com>
16519 * gensupport.c: Define get_insn_name and record_insn_name here.
16520 (read_md_rtx): Call record_insn_name as appropriate.
16521 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16522 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16523 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16525 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16526 (BUILD_VARRAY): Delete.
16527 (genprognormal): Rename genprogmd. Fold in all programs from
16528 genprognoprint; also attrtab.
16529 (build/genattrtab): Just mention genautomata.o and varray.o.
16530 Reorganize a bit, add comments to make the categories clearer.
16532 2006-01-22 Zack Weinberg <zackw@panix.com>
16534 * genconditions.c (condition_table, add_condition): Delete.
16535 (write_conditions): Don't emit n_insn_conditions nor
16536 insn_elision_unavailable. Issue the gcc version #ifdef here,
16537 inside the table, with no #else clause ...
16538 (write_header): ...not here.
16539 (write_writer): New function.
16540 (main): Don't initialize condition_table. Use add_c_test.
16542 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16543 files on the command line.
16544 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16545 Return -1 if there is no entry in the table, don't abort.
16546 (add_c_test, traverse_c_tests): New functions.
16547 * gensupport.h (insn_elision_unavailable, insn_conditions)
16548 (n_insn_conditions): Delete declarations.
16549 (add_c_test, traverse_c_tests): Declare.
16550 * read-rtl.c: Include gensupport.h.
16551 (read_conditions): New function.
16552 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16553 (read_rtx_1): If we get EOF when we were looking for an initial
16554 open paren, return 0. Call read_conditions when appropriate.
16555 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16556 dummy-conditions.o. Eliminate references to insn-conditions.o,
16557 or change them to build/gencondmd.o, as appropriate. Remove
16558 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16559 from $(simple_generated_c). For all files remaining in those
16560 two lists, add insn-conditions.md to the generator command line.
16561 Give insn-constants.h/s-constants their own rules. Add rules
16562 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16563 (build/read-rtl.o): Depend on gensupport.h.
16564 (genprognormal): Include preds.
16565 (genprogearly): Rename genprognoprint; only difference is now that
16566 they don't link with $(BUILD_PRINT).
16567 * dummy-conditions.c: Delete.
16569 2006-01-22 Zack Weinberg <zackw@panix.com>
16571 * genextract.c: Don't include insn-config.h. Do include vec.h.
16572 Declare vectors of int, char, and locstr.
16573 (locstr): New typedef.
16574 (struct extraction): Make all array fields into bare pointers.
16575 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16576 (insn_code_number): Delete.
16577 (accum_extract): New struct.
16578 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16579 (gen_insn): Take insn_code_number as an argument. Use an
16580 accum_extract structure instead of loading data directly into
16581 a struct extraction, and having to know how big it might get.
16582 (walk_rtx): Operate entirely on an accum_extract structure.
16583 (print_path): Avoid unnecessary use of printf.
16584 (print_header): New function, split out of main. Distinguish
16585 more carefully between an unrecognizable insn and an insn that
16586 has the code number of a define_expand.
16587 (main): Pass insn_code_number to gen_insn. Call print_header
16588 only after parsing. Avoid unnecessary use of printf.
16589 * Makefile.in (build/vec.o): New rule.
16590 (build/genextract): Depend on build/vec.o.
16591 (build/genextract.o): Don't depend on insn-config.h.
16593 2006-01-22 Zack Weinberg <zackw@panix.com>
16595 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16596 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16597 practical. Eliminate per-generator-program link rules.
16599 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16601 PR middle-end/24437
16602 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16603 with a call expr to ...
16604 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16606 2006-01-23 Richard Guenther <rguenther@suse.de>
16608 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16609 before make_edge with conditional EDGE_TRUE_VALUE.
16611 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16612 Jan Hubicka <jh@suse.cz>
16613 Richard Guenther <rguenther@suse.de>
16615 PR rtl-optimization/25654
16616 * cfgexpand.c (aggregate_contains_union_type): New function.
16617 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16618 for structure variables that contain a union type.
16620 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16622 * gengtype.c (new_structure): Return the structure.
16623 (create_option): Add an extra "next" argument.
16624 (create_field): New function.
16625 (adjust_field_rtx_def): Use create_option and create_field.
16626 Remove a now-unnecessary call to find_structure.
16627 (adjust_field_tree_def): Likewise.
16628 (note_yacc_type): Remove an unnecessary call to find_structure.
16629 * gengtype.h (new_structure): Return the structure.
16630 (create_option): Add an extra argument.
16631 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16632 (option): Adjust calls to create_option.
16634 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16636 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16638 2006-01-22 Paul Brook <paul@codesourcery.com>
16639 Peter Barada <peter@the-baradas.com>
16641 * config/m68k/m68k.md: Add Coldfire FPU support.
16642 Define FP mode macro and associated attributes.
16643 Use it for float mode patterns.
16644 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16645 (LIBCALL_VALUE): Use m68k_libcall_value.
16646 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16647 (m68k_function_value): Ditto.
16648 (emit_move_sequence): Ditto.
16649 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16650 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16651 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16652 (MULTILIB_EXCEPTIONS): Ditto.
16653 * config/m68k/m68k.opt: Add mcfv4e.
16654 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16655 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16656 (m68k_output_function_prologue): Save ColdFire FPU registers.
16657 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16658 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16659 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16660 ColdFire FPU registers.
16661 (m68k_libcall_value, m68k_function_value): New functions.
16662 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16663 (LIBCALL_VALUE): Use m68k_libcall_value.
16664 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16665 (MASK_COLDFIRE): Add MASK_CFV4E.
16666 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16667 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16668 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16669 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16670 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16671 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16672 * doc/invoke.tex: Document -mcfv4e on m68k.
16674 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16676 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16679 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16682 * c-opts.c (c_common_handle_option): Don't include
16683 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16684 * doc/invoke.texi (C++ Dialect Options): Document that
16685 -Wnon-virtual-dtor is no longer included in -Wall.
16687 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16689 * gcov.c (print_version), gcov-dump.c (print_version),
16690 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16693 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16695 * df-scan.c (problem_SCAN): Added NULL reset function.
16696 (df_scan_reset_blocks): Added code to call reset block function
16697 (df_bb_refs_delete) Fixed comment.
16698 (df_insn_refs_delete): Made tolerant of deleting non existent info
16699 for dataflow problems that need to be reset.
16700 * df-core.c (df_set_blocks): Ditto.
16701 * df.h (struct df_problem): Added reset_fun.
16702 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16703 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16704 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16705 functions to clear out all references to def-use or use-def chains.
16707 2006-01-21 Ben Elliston <bje@au.ibm.com>
16709 * varasm.c (assemble_real): Initialise data array.
16711 2006-01-20 Paul Brook <paul@codesourcery.com>
16713 Merge from csl-arm-branch.
16714 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16715 * config/arm/arm.md (movdi): Force operands[1] to a register
16716 if we have a non-register source.
16717 (*arm_movdi, *movdf_soft_insn): Require that one of the
16718 operands be a register.
16719 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16720 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16722 2006-01-20 DJ Delorie <dj@redhat.com>
16724 * varasm.c (initializer_constant_valid_p): Allow pointers
16725 initialized from integer constants of lesser precision.
16726 (output_constant): Allow non-int-sized pointer modes to be
16727 initialized from integer constants.
16729 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16732 * cppdefault.h (struct default_include): Add multilib flag.
16733 * cppdefault.c (cpp_include_defaults): Set it.
16734 * c.opt (-imultilib): New option.
16735 * c-opts.c (imultilib): New.
16736 (c_common_handle_option): Handle -imultilib.
16737 (c_common_post_options): Likewise.
16738 * c-incpath.c (add_standard_paths, register_include_chains):
16740 * c-incpath.h (register_include_chains): Add extra parameter.
16741 * gcc.c (do_spec_1): Generate -imultilib option.
16742 (The Specs Language): Update %I description.
16743 (process_command): Update copyright notice.
16744 * doc/cppopts.texi (-imultilib): Document.
16745 * doc/invoke.texi (-imultilib): Include in option summary.
16746 (%I): Update specs documentation.
16748 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16750 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16752 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16754 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16757 2006-01-20 Richard Guenther <rguenther@suse.de>
16758 Steven Bosscher <stevenb.gcc@gmail.com>
16760 PR rtl-optimization/24626
16761 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16762 EDGE_TRUE_VALUE if in RTL mode.
16765 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16766 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16768 2006-01-20 Dirk Mueller <dmueller@suse.com>
16771 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16772 instead of a special NOP marker.
16773 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16774 NOP marker handling.
16775 * c-common.h (empty_body_warning): Add forward declaration.
16776 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16777 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16779 2006-01-20 Paul Brook <paul@codesourcery.com>
16781 * Makefile.in (lang_checks): Keep going if mkdir fails.
16783 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16785 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16786 be able to clean out basic block when not necessary.
16787 (df_scan_free): Fixed to properly delete information if df is
16788 unused before calling df_finish.
16789 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16790 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16792 (df_bb_refs_delete): New function.
16793 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16794 * df-core.c (df_set_blocks): Added code to properly clean out
16795 unused blocks if they are not part of the blocks to consider.
16796 Added additional null check.
16797 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16798 be able to clean out basic block when not necessary
16799 * df.h (df_free_bb_function): Ditto.
16800 (df_bb_refs_delete): New function.
16801 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16802 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16803 basic block parameter to be able to clean out basic block when not
16805 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16806 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16807 Fixed to properly delete information if df is unused before
16810 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16812 PR rtl-optimization/25799
16813 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16814 Corrected confluence operator to remove bits from op2 before oring
16815 with op1 rather than removing bits from op1.
16816 (df_ru_transfer_function): Corrected test on wrong bitmap which
16817 caused infinite loop. Both of these problems were introduced in
16818 the dataflow rewrite.
16820 2006-01-19 DJ Delorie <dj@redhat.com>
16822 * reload1.c (find_reload_regs): Note the details of reload
16823 failures in the dump file.
16824 (spill_failure): Likewise.
16826 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16828 * loop-iv.c: Include df.h and hashtab.h.
16829 (enum iv_grd_result): New enum.
16830 (DF_REF_IV, DF_REF_IV_SET): New macros.
16831 (struct biv_entry): New.
16832 (df, bivs): New global variables.
16833 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16834 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16836 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16837 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16838 analyzed_for_bivness_p, record_biv): New functions.
16839 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16840 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16841 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16843 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16845 (iv_number_of_iterations): Use new interface to iv analysis.
16846 * loop-unroll.c: Do not include varray.h.
16847 (analyze_iv_to_split_insn): Use new interface to iv
16849 * loop-unswitch.c (may_unswitch_on): Ditto.
16850 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16852 (df_bb_modify): Realloc tables to the new index.
16853 (df_find_use): New function.
16854 * df.h (df_find_use): Declare.
16855 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16857 * cfgloop.h (struct rtx_iv): Remove analysed field.
16858 (iv_get_reaching_def): Removed.
16859 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16860 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16861 (loop-iv.o): Add df.h and hashtab.h dependency.
16862 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16864 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16867 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16869 (__floatundisf, __floatundidf): Likewise.
16870 * libgcc2.h (IS_IBM_EXTENDED): Define.
16872 2006-01-19 DJ Delorie <dj@redhat.com>
16874 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16876 2006-01-19 Paul Brook <paul@codesourcery.com>
16878 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16879 as nothrow when unwinding tables are disabled.
16881 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16884 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16885 of bit-field" when in system header.
16887 2006-01-19 DJ Delorie <dj@redhat.com>
16889 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16890 the 16 bit shift limit of the m16c.
16892 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16895 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16896 * config/i386/i386.c (output_set_got): Output the label if we have one
16897 for the TARGET_DEEP_BRANCH_PREDICTION case.
16899 2006-01-19 Jan Hubicka <jh@suse.cz>
16900 H.J. Lu <hongjiu.lu@intel.com>
16901 Evandro Menezes <evandro.menezes@amd.com>
16903 * invoke.texi (generic): Document
16905 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16906 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16907 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16908 (x86_use_incdec, x86_pad_returns): New variables
16909 (TARGET_CPU_DEFAULT_generic): New constant
16910 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16911 (enum processor_type): Add generic32 and generic64.
16912 * i386.md (cpu attribute): Add generic32/generic64
16913 (movhi splitter): Behave sanely when both partial_reg_dependency and
16914 partial_reg_stall are set.
16915 (K8 splitters): Enable for generic as well.
16916 * predicates.md (incdec_operand): Use TARGET_INCDEC
16917 (aligned_operand): Avoid memory mismatch stalls.
16918 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16919 * ppro.md: Enable for generic32
16920 * i386.c (generic64_cost, generic32_cost): New.
16921 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16922 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16923 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16924 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16925 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16926 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16927 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16928 x86_accumulate_outgoing_args, x86_prologue_using_move,
16929 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16930 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16931 Enable for generic.
16932 (x86_use_incdec, x86_pad_returns): New.
16933 (override_options): Add generic32 and generic64, translate "generic"
16934 to generic32/generic64 and "i686" to "generic32", refuse
16935 "generic32"/"generic64" as arch target.
16936 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16937 (ix86_reorg): Honor PAD_RETURNS.
16939 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16941 * tree-pretty-print.c (dump_generic_node): Handle
16942 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16943 * cgraph.c (cgraph_expand_queue): Rename from
16944 cgraph_analyze_queue. Update all users.
16945 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16946 cgraph_expand_queue.
16947 (cgraph_expand_all_functions): Likewise.
16948 (cgraph_finalize_pending_functions): Remove. Update callers.
16950 * tree.h (OMP_DIRECTIVE_P): Define.
16951 (OMP_PARALLEL_FN): Define.
16952 (OMP_PARALLEL_DATA_ARG): Define.
16953 (OMP_SECTIONS_SECTIONS): Define.
16954 * tree-pass.h (pass_expand_omp): Declare.
16955 * omp-low.c (struct omp_region): Declare.
16956 (struct omp_context): Remove fields 'parallel_type',
16957 'parallel_start_ix' and 'parallel_start_additional_args'.
16959 (struct omp_for_data): Rename from struct expand_omp_for_data.
16960 (omp_regions): New static variable.
16961 (root_omp_region): New static variable.
16962 (find_omp_clause): Make static.
16963 (is_in_combined_parallel_ctx): Remove.
16964 (is_combined_parallel): New.
16965 (extract_omp_for_data): Move earlier in the file.
16966 (workshare_safe_to_combine_p): New.
16967 (get_ws_args_for): New.
16968 (determine_parallel_type): Move earlier in the file.
16969 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16971 (omp_copy_decl): Likewise.
16972 (create_omp_child_function): Likewise.
16973 (lookup_omp_region): New.
16974 (dump_omp_region): New.
16975 (debug_omp_region): New.
16976 (debug_all_omp_regions): New.
16977 (new_omp_region): New.
16978 (scan_omp_parallel): If parallel_nesting_level > 1, the
16979 directive is nested within another parallel directive.
16980 Set OMP_PARALLEL_FN.
16981 (scan_omp_for): Do not try to handle combined parallel+for
16983 Remove FIXME comment.
16984 (scan_omp_nested): Remove.
16985 (scan_omp_1): Do not call scan_omp_nested when
16986 parallel_nesting_level is > 1.
16987 Do not change the DECL_CONTEXT of local variables found.
16988 (lookup_decl_in_outer_ctx): New.
16989 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16990 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16991 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16992 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16993 If CTX is nested, lookup VAR in the outer context when
16994 building copy assignment.
16995 (lower_send_clauses): Rename from expand_send_clauses.
16996 If CTX is nested, lookup VAR in the outer context when
16997 building copy assignments.
16998 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16999 If CTX is nested, lookup VAR in the outer context when
17000 building copy assignments.
17001 (expand_parallel_call): Rename from build_parallel_call.
17002 Handle combined parallel+workshare cases.
17003 Re-implement to emit code into the CFG.
17005 (expand_omp_parallel): Re-implement to emit code into the CFG.
17006 Call move_sese_region_to_fn to outline the sub-graph
17007 containing the parallel region.
17008 (expand_omp_for_1): Remove.
17009 (expand_omp_for_generic): Re-implement to emit code into the
17011 (expand_omp_for_static_nochunk): Likewise.
17012 (expand_omp_for_static_chunk): Likewise.
17013 (expand_omp_for): Likewise.
17014 (expand_omp_sections): Likewise.
17015 (remove_exit_barriers): New.
17016 (expand_omp_synch): New.
17018 (build_omp_regions_1): New.
17019 (build_omp_regions): New.
17020 (execute_expand_omp): New.
17021 (gate_expand_omp): New.
17022 (pass_expand_omp): Define.
17023 (lower_omp_sections): Rename from expand_omp_sections.
17024 Set OMP_SECTIONS_SECTIONS.
17025 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17026 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17027 (lower_omp_single): Rename from expand_omp_simple.
17028 (lower_omp_master): Rename from expand_omp_master.
17029 (lower_omp_ordered): Rename from expand_omp_ordered.
17030 (lower_omp_critical): Rename from expand_omp_critical.
17031 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17032 (lower_omp_for): Re-implement.
17033 (lower_omp_parallel): Re-implement.
17034 (lower_regimplify): Rename from expand_regimplify.
17035 (lower_omp_1): Rename from expand_omp_1.
17036 If there are syntax errors in the program, replace every
17037 OpenMP directive with NOP.
17038 Call lower_omp_* instead of expand_omp_*.
17039 (lower_omp): Rename from expand_omp.
17041 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17042 * tree-gimple.h (enum omp_parallel_type): Remove.
17043 (gimple_boolify): Declare extern.
17044 (find_omp_clause, determine_parallel_type): Remove.
17046 * gimple-low.c (lower_omp_directive): New.
17047 (lower_stmt): Call it.
17048 (record_vars_into): Move from ...
17049 (record_vars): ... here.
17050 Call record_vars_into with current_function_decl.
17052 * gimplify.c (struct gimplify_ctx): Remove fields
17053 combined_pre_p and combined_ctxp. Update users.
17054 (get_formal_tmp_var): Add documentation.
17055 (gimple_boolify): Make extern.
17056 (gimplify_expr_in_ctx): Remove. Update callers.
17057 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17058 will always be a BIND_EXPR.
17059 (gimplify_expr): Handle OMP_RETURN_EXPR.
17060 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17061 (OMP_PARALLEL): Add 3 operands.
17062 (OMP_SECTIONS): Add 1 operand.
17063 (OMP_RETURN_EXPR): Define.
17065 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17066 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17067 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17068 creating a circular free list.
17069 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17071 * tree-flow.h (move_sese_region_to_fn): Declare.
17072 (record_vars_into): Declare.
17073 * tree-cfg.c (make_omp_sections_edges): New.
17074 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17075 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17076 OMP_SECTIONS and OMP_SECTION.
17077 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17078 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17079 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17080 (gather_blocks_in_sese_region): New.
17081 (struct move_stmt_d): Declare.
17082 (move_stmt_r): New.
17083 (move_block_to_fn): New.
17084 (move_sese_region_to_fn): New.
17086 * passes.c (init_optimization_passes): Schedule
17087 pass_expand_omp after pass_init_datastructures.
17089 * tree-ssa-operands.c (get_expr_operands): Handle
17090 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17091 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17093 2006-01-19 Jeff Law <law@redhat.com>
17095 * tree-vrp.c (extract_range_from_assert): Refine the result range
17096 if the variable referenced by the ASSERT_EXPR has a range and
17097 either the tentative result range or the previous range is a
17100 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17102 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17104 2006-01-19 Jan Hubicka <jh@suse.cz>
17106 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17108 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17110 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17111 (expand_compound_operation, expand_field_assignment): Fail if the
17112 bit lengths of an extract operation are out of range.
17113 (make_extraction): Compute wanted_inner_mode based on the position
17114 and length of the extraction. Make it extraction_mode for non-constant
17115 positions, and do not modify offset in that case. When generating a
17116 new MEM, use a mode that can hold the extraction while keeping correct
17117 alignment. Remove code that supported MEMs wrapped by USEs.
17118 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17120 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17122 * config/s390/s390.md ("Y", "y"): New mode attribute.
17123 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17124 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17125 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17126 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17127 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17128 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17129 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17130 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17131 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17132 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17133 "addsi3", "subsi3"): Insn patterns removed.
17134 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17135 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17136 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17137 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17138 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17139 "*sub<mode>3_cconly2"): New insn patterns.
17140 ("addsi3", "subsi3"): New expanders.
17142 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17144 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17145 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17146 existing STMT_VINFO_VECTYPE if available.
17147 (vect_mark_relevant): Add special handling for stmts that are
17148 marked as STMT_VINFO_IN_PATTERN_P.
17149 (vect_analyze_loop): Call vect_pattern_recog.
17150 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17151 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17153 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17154 (vect_recog_func_ptr): New function-pointer type.
17155 * tree-vect-patterns.c: New file.
17156 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17157 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17158 (vect_pattern_recog_1): New functions.
17159 (vect_pattern_recog_funcs): New array of function pointers.
17161 * tree-vectorizer.h (ternary_op): New enum value.
17162 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17163 declaration. Revised documentation. Removed redundant dump prints.
17164 Removed redundant argument. Added support for reduction patterns.
17165 (vectorizable_reduction): Added support for reduction patterns.
17166 (vect_transform_stmt): Added support for patterns.
17168 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17169 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17170 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17171 (expand_widen_pattern_expr): New function.
17172 (init_optabs): Initialize new optabs udot_prod_optab,
17174 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17175 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17176 (expand_widen_pattern_expr): New function declaration.
17177 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17179 * tree-inline.c (estimate_num_insns_1): Added cases for new
17180 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17181 * tree-pretty-print.c (dump_generic_node): Likewise.
17182 (op_prio): Likewise.
17183 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17184 * tree-ssa-operands.c (get_expr_operands): Added case for
17186 * tree-vect-patterns.c (widened_name_p): New function.
17187 (vect_recog_dot_prod_pattern): Added function implementation.
17188 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17189 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17190 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17191 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17193 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17194 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17195 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17196 (init_optabs): Initialize new optabs widen_ssum_optab,
17198 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17199 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17200 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17201 use instead of type of def.
17202 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17203 function implementation.
17204 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17205 widen_ssumv8hi): New.
17207 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17210 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17213 * c-decl.c (add_flexible_array_elts_to_size): New function.
17214 (finish_decl): Use it.
17216 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17218 * diagnostic.h: Include options.h.
17219 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17220 dependancies for diagnostic.h.
17221 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17223 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17225 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17226 (ssa_ro_call_cache_valid): Ditto.
17227 * tree-ssa-alias.c (sort_tags_by_id): New function.
17228 (init_transitive_clobber_worklist): Ditto.
17229 (add_to_worklist): Ditto.
17230 (mark_aliases_call_clobbered): Ditto.
17231 (compute_tag_properties): Ditto.
17232 (set_initial_properties): Ditto.
17233 (compute_call_clobbered): Ditto.
17234 (compute_may_aliases): Call compute_call_clobbered and grouping.
17235 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17236 (compute_flow_insensitive_aliasing): Grouping now happens in our
17238 (setup_pointers_and_addressables): Remove clobbering related code.
17239 (add_may_alias): Ditto.
17240 (replace_may_alias): Ditto.
17241 (get_nmt_for): Ditto.
17242 (create_global_var):
17243 (is_escape_site): Return an escape_type enumeration.
17244 * tree-flow-inline.h (is_call_clobbered): Global var does not
17245 imply call clobbered.
17246 (mark_call_clobbered): Take a reason for marking this. Remove
17247 marking of globalness, and cache invalidation.
17248 (clear_call_clobbered): Remove cache invalidation code.
17249 * tree-dfa.c (dump_variable): If details is on, dump the reason
17251 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17253 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17254 (struct var_ann_d): Ditto.
17255 (enum escape_type): New.
17256 (mark_call_clobbered): Adjust prototype.
17257 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17258 are never call clobbered.
17259 Record reasons for escaping.
17260 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17261 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17262 (ssa_ro_call_cache_valid): Ditto.
17263 (clobbered_v_may_defs): Ditto.
17264 (clobbered_vuses): Ditto.
17265 (ro_call_vuses): Ditto.
17266 (clobber_stats): New.
17267 (init_ssa_operands): Zero out clobber stats.
17268 (fini_ssa_operands): Print out clobber stats.
17269 (get_call_expr_operands): Pass callee fndecl to
17270 add_call_read_ops).
17271 (add_call_clobber_ops): Remove use of cache.
17272 Add use of PURE_CONST information.
17273 (add_call_read_ops): Remove use of cache.
17274 Add use of static not_read information.
17276 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17278 Introduce TLS descriptors for i386 and x86_64.
17279 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17280 (TARGET_ANY_GNU_TLS): New macro.
17281 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17282 (struct machine_function): Add tls_descriptor_call_expanded_p.
17283 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17284 (ix86_current_function_calls_tls_descriptor): Likewise.
17285 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17286 (override_options): Introduce gnu2 tls dialect.
17287 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17289 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17291 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17292 (ix86_init_machine_status): Initialize new field.
17293 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17294 (ix86_tls_module_base): New.
17295 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17296 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17297 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17298 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17299 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17300 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17301 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17302 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17303 * config/i386/predicates.md (tls_modbase_operand): New.
17304 (tp_or_register_operand): New.
17306 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17308 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17309 (look_for_address_of): Ditto.
17310 (ipa_init): Walk the function decls.
17311 (static_execute): Don't set readonly on FUNCTION_DECL's.
17313 2006-01-18 Roger Sayle <roger@eyesopen.com>
17315 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17316 for shifts where the source and destination registers are different.
17318 2006-01-18 Paul Brook <paul@codesourcery.com>
17320 Merge from csl-arm-branch.
17321 2005-03-14 Julian Brown <julian@codesourcery.com>
17322 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17323 (aeabi_llsl): Likewise.
17324 (ashrdi3): Likewise.
17325 (aeabi_lasr): Likewise.
17326 (lshrdi3): Likewise.
17327 (aeabi_llsr): Likewise.
17328 2005-03-10 Julian Brown <julian@codesourcery.com>
17329 * config.gcc: Disable shared libgcc for SymbianOS.
17330 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17332 2006-01-18 DJ Delorie <dj@redhat.com>
17334 * c-pragma.c (handle_pragma_diagnostic): New.
17335 (init_pragma): Register it.
17336 * doc/extend.texi: Document it.
17338 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17339 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17340 (diagnostic_context): Add classify_diagnostic[].
17341 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17342 as errors if they're overridden to DK_WARNING.
17343 (diagnostic_initialize): Initialize classify_diagnostic[].
17344 (diagnostic_set_kind_override): New.
17345 (diagnostic_report_diagnostic): Check for kind changes.
17346 * opts.c (common_handle_option): Take lang_mask. Update callers.
17347 Handle OPT_Werror_.
17348 * common.opt (Werror=): New.
17349 * doc/invoke.texi: Document -Werror=*
17351 2006-01-18 Jeff Law <law@redhat.com>
17353 * tree-vrp.c (test_for_singularity): Correct test for new
17354 min limit. Use operand_equal_p rather than pointer equality
17355 for testing if new min/max values are equal.
17357 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17358 using range information until after propagation and folding.
17360 2006-01-18 Richard Henderson <rth@redhat.com>
17361 Aldy Hernandez <aldyh@redhat.com>
17362 Jakub Jelinek <jakub@redhat.com>
17363 Diego Novillo <dnovillo@redhat.com>
17365 * omp-low.c: New file.
17366 * c-omp.c: New file.
17368 2006-01-18 Richard Henderson <rth@redhat.com>
17369 Jakub Jelinek <jakub@redhat.com>
17370 Diego Novillo <dnovillo@redhat.com>
17372 * doc/invoke.texi: Document -fopenmp.
17373 * tree-dump.h (debug_function): Declare.
17374 * hooks.c (hook_bool_tree_bool_false): New function.
17375 (hook_tree_tree_null): Remove.
17376 (hook_tree_tree_tree_null): New.
17377 * hooks.h: Update to match.
17378 * tree-pretty-print.c (debug_tree_chain): New.
17379 (print_generic_expr): Handle TDF_CHAIN.
17380 (dump_generic_node): Handle BLOCK.
17381 Do not abort with incomplete SWITCH_EXPRs.
17382 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17383 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17384 print space after directive name.
17385 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17386 Handle OMP_MASTER and OMP_ORDERED.
17387 Handle printing of OMP_BODY just in one place, goto
17388 dump_omp_body in the rest of OMP_* nodes that have
17390 Don't handle clause nodes here. Update omp statements to
17391 use dump_omp_clauses.
17392 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17393 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17394 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17395 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17396 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17397 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17398 Adjust output for GOMP_PARALLEL.
17399 (dump_omp_clauses): New.
17400 (print_declaration): Dump DECL_VALUE_EXPR.
17401 (op_symbol_1): Split out of op_symbol.
17402 (dumping_stmts): Remove. Update all users.
17403 * cgraph.c (cgraph_analyze_queue): New.
17404 (cgraph_add_new_function): New.
17405 * cgraph.h (cgraph_analyze_queue): Declare.
17406 (cgraph_add_new_function): Declare.
17407 (cgraph_lower_function): Remove.
17408 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17409 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17410 and TYPE_P nodes in its default clause.
17411 (empty_body_p): New.
17412 (tree_range_check_failed): New.
17413 (build5_stat): New.
17414 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17415 OMP_CLAUSE_REDUCTION_MERGE,
17416 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17417 OMP_CLAUSE_PRIVATE_DEBUG,
17418 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17419 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17420 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17421 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17422 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17423 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17424 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17425 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17426 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17427 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17428 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17429 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17430 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17431 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17432 (TREE_RANGE_CHECK): New.
17433 (empty_body_p): Declare.
17434 (enum omp_clause_default_kind): New.
17435 (build_string_literal): Declare.
17436 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17437 (build5_stat, build5): Declare.
17438 * tree-pass.h (TDF_CHAIN): Define.
17439 * tree-pass.h (PROP_gimple_lomp): Define.
17440 (pass_lower_omp): Declare.
17441 * diagnostic.h (debug_tree_chain): Declare.
17442 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17444 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17445 * builtins.c (build_string_literal): Make extern.
17446 * gcc.c (include_spec_function): New.
17447 (static_spec_functions): Add it.
17448 (main): Move load of libgomp.spec ...
17449 (LINK_COMMAND_SPEC): ... here.
17450 (link_gomp_spec): New.
17451 (static_specs): Include it.
17452 (LINK_COMMAND_SPEC): Add link_gomp.
17453 (GOMP_SELF_SPECS): New.
17454 (driver_self_specs): Include it.
17455 (switch_matches): Don't mark inline.
17456 (main): Load libgomp.spec.
17457 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17458 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17459 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17460 * tree-gimple.h (enum omp_parallel): Declare.
17461 (determine_parallel_type): Declare.
17462 (omp_firstprivatize_variable): Declare.
17463 (omp_reduction_init): Declare.
17464 (diagnose_omp_structured_block_errors): Declare.
17465 (struct walk_stmt_info): Add want_return_expr.
17466 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17467 (find_omp_clause): Declare.
17468 (insert_field_into_struct): Declare.
17469 (struct walk_stmt_info): Move from tree-nested.c
17470 (walk_stmts): Declare.
17471 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17473 * cgraphunit.c (cgraph_lower_function): Make static.
17474 (cgraph_finalize_pending_functions): New.
17475 (cgraph_finalize_function): Call it.
17476 (cgraph_finalize_compilation_unit): Likewise.
17477 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17478 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17479 (BT_FN_UINT_UINT): New.
17480 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17481 DEF_FUNCTION_TYPE_VAR_4): Document.
17482 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17483 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17484 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17485 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17486 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17487 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17488 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17489 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17490 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17491 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17492 into separate files.
17493 (DEF_GOMP_BUILTIN): New.
17494 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17495 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17496 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17497 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17498 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17499 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17500 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17501 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17502 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17503 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17504 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17505 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17506 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17507 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17508 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17509 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17510 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17511 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17512 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17513 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17514 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17515 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17516 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17517 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17518 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17519 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17520 * sync-builtins.def: New file, moved from builtins.def.
17521 * omp-builtins.def: New file, moved from builtins.def.
17522 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17523 * gimple-low.c (lower_function_body): Clear data.
17524 (lower_stmt): Do not handle COMPOUND_EXPR.
17525 Remove call to print_node_brief.
17526 * c-tree.h (c_finish_omp_clauses): New prototype.
17527 (C_DECL_THREADPRIVATE_P): Define.
17528 (lookup_name_no_remap, c_omp_remap_private): Remove
17529 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17530 (check_for_loop_decls): Update decl.
17531 (lookup_name_no_remap, c_omp_remap_private): Declare.
17532 (build_indirect_ref, build_modify_expr, pushdecl,
17533 pushdecl_top_level): Move to c-common.h.
17534 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17535 before the switch, but just in the 2 places that need it.
17536 * c-decl.c (diagnose_mismatched_decls): Do not check for
17537 mismatched thread-local attributes when OLDDECL is marked
17538 threadprivate and NEWDECL has no thread-local attributes.
17539 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17540 (c_gimple_diagnostics_recursively): Rename from
17541 c_warn_unused_result_recursively. Invoke
17542 diagnose_omp_structured_block_errors.
17543 (check_for_loop_decls): Return a singular decl found.
17544 * langhooks.c (lhd_omp_predetermined_sharing): Return
17545 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17546 (lhd_omp_firstprivatize_type_sizes): New.
17547 (lhd_omp_assignment): New.
17548 (lhd_omp_predetermined_sharing): New.
17549 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17550 (struct lang_hooks_for_types): Add
17551 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17552 omp_predetermined_sharing, omp_disregard_value_expr,
17553 omp_private_debug_clause, omp_clause_default_ctor,
17554 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17555 (c_finish_omp_clauses): New.
17556 (c_finish_bc_stmt): Diagnose break within omp for.
17557 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17558 (build_unary_op): Return error_mark after reporting
17560 (build_modify_expr): Likewise.
17561 * gimplify.c: Include optabs.h and pointer-set.h.
17562 (enum gimplify_omp_var_data): Declare.
17563 (struct gimplify_omp_ctx): Declare.
17564 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17566 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17567 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17568 (splay_tree_compare_decl_uid): New.
17569 (new_omp_context): New.
17570 (delete_omp_context): New.
17571 (gimple_add_tmp_var): Call omp_add_variable.
17572 (gimplify_bind_expr): Likewise.
17573 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17574 true, disregard DECL_VALUE_EXPR on the decl if any.
17575 (gimplify_expr_in_ctx): New.
17576 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17577 omp_add_variable, omp_notice_variable, omp_is_private
17578 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17579 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17580 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17581 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17582 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17583 gimplify_omp_atomic): New.
17584 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17585 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17586 OMP_CRITICAL and OMP_ATOMIC.
17587 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17588 * c-pragma.h (enum pragma_kind): Add
17589 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17590 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17591 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17592 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17593 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17594 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17595 PRAGMA_OMP_THREADPRIVATE.
17596 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17597 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17598 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17599 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17600 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17601 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17602 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17603 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17604 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17605 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17606 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17607 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17608 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17610 (struct nesting_info): Add field_map,
17611 suppress_expansion, debug_var_chain.
17612 (create_nesting_tree): Initialize them.
17613 (lookup_field_for_decl): Use field_map.
17614 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17615 (convert_local_omp_clauses): New.
17616 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17617 (walk_body): Split out of walk_function.
17618 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17619 (convert_nonlocal_reference): Handle omp statements.
17620 (convert_local_reference): Likewise.
17621 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17622 (unnest_nesting_tree): New.
17623 (lower_nested_functions): Call it.
17624 (insert_field_into_struct): Make extern.
17625 (struct walk_stmt_info): Move to tree-gimple.h.
17626 (walk_stmts): Make extern.
17627 * omp-builtins.def: New file.
17628 * tree-iterator.c (expr_only): Clarify comment.
17629 * c-common.h (pushdecl_top_level, pushdecl,
17630 build_modify_expr, build_indirect_ref,
17631 c_finish_omp_master, c_finish_omp_critical,
17632 c_finish_omp_ordered, c_finish_omp_barrier,
17633 c_finish_omp_atomic, c_finish_omp_flush,
17634 c_finish_omp_for, c_split_parallel_clauses,
17635 omp_clause_default_kind, c_omp_sharing_predetermined,
17636 c_omp_remap_decl): Declare.
17637 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17638 (OBJS-common): Add omp-low.o.
17639 (c-omp.o, omp-low.o): Add.
17640 (gimplify.o): Add dependency on $(OPTABS_H).
17641 (GTFILES): Add omp-low.c.
17642 (gt-stringpool.h): Add.
17643 * tree-cfg.c (set_bb_for_stmt): Do not update the
17644 block-to-labels map if we are currently expanding to RTL.
17645 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17647 Handle IDENTIFIER_NODE.
17648 (tree_verify_flow_info): Do not ICE when emitting error
17649 messages about invalid labels.
17650 (dump_function_to_file): Reset CFUN before emitting the body
17652 (debug_function): New.
17653 * passes.c (init_optimization_passes): Schedule
17655 * langhooks-def.h (lhd_omp_predetermined_sharing,
17656 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17658 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17659 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17660 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17661 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17662 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17663 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17664 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17665 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17666 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17667 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17668 (LANG_HOOK_DECLS): Use them.
17670 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17671 Richard Henderson <rth@redhat.com>
17672 Jakub Jelinek <jakub@redhat.com>
17673 Diego Novillo <dnovillo@redhat.com>
17675 * c-parser.c (pragma_omp_clause): Define.
17676 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17677 (c_parser_compound_statement): Likewise.
17678 (c_parser_statement): Likewise.
17679 (c_parser_pragma): Handle omp pragmas.
17680 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17681 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17682 (c_parser_omp_clause_name, check_no_duplicate_clause,
17683 c_parser_omp_variable_list,
17684 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17685 c_parser_omp_clause_copyprivate,
17686 c_parser_omp_clause_default,
17687 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17688 c_parser_omp_clause_lastprivate,
17689 c_parser_omp_clause_nowait,
17690 c_parser_omp_clause_num_threads,
17691 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17692 c_parser_omp_clause_reduction,
17693 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17694 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17695 c_parser_omp_atomic, c_parser_omp_barrier,
17696 c_parser_omp_critical, c_parser_omp_flush,
17697 c_parser_omp_for_loop, c_parser_omp_for,
17698 c_parser_omp_master, c_parser_omp_ordered,
17699 c_parser_omp_sections_scope, c_parser_omp_sections,
17700 c_parser_omp_parallel, c_parser_omp_single,
17701 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17702 * c-pragma.c (init_pragma): Do omp pragma registration here.
17703 * c.opt (fopenmp): New flag.
17705 2006-01-18 Eric Christopher <echristo@apple.com>
17707 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17708 * config/darwin.h (GOMP_SELF_SPECS): Define.
17710 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17712 * rtl.h: Remove the prototype for reg_alloc.
17714 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17717 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17718 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17719 sjlj and dwarf2 exception handling.
17720 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17721 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17722 * pa/pa.c (function_value): Treat complex and vector types as
17724 (function_arg): Likewise. Only pass scalar floats in the floating
17725 point argument registers.
17726 * pa/t-slibgcc-dwarf-ver: New file.
17727 * pa/t-slibgcc-sjlj-ver: New file.
17728 * pa/t-slibgcc-elf-ver: Delete file.
17730 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17732 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17733 unlikely_test_section_p test.
17735 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17737 * mode-switching.c (optimize_mode_switching): Make it static.
17738 * basic-block.h: Remove the prototype for
17739 optimize_mode_switching.
17741 * modulo-sched.c (sms_schedule): Make it static.
17742 * rtl.h: Remove the prototype for sms_schedule.
17744 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17745 * rtl.h: Remove the prototype for gcse_after_reload_main.
17747 * reg-stack.c (reg_to_stack): Make it static.
17748 * rtl.h: Remove the prototype for reg_to_stack.
17750 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17752 * rtl.h: Remove the prototypes for regrename_optimize and
17753 copyprop_hardreg_forward.
17755 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17757 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17758 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17759 Test against the appropriate null constant for the mode.
17760 If 'fixup_overlap' is true, swap the operands if they overlap.
17761 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17762 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17763 alpha_split_tmode_pair and adjust for above change.
17764 * config/alpha/alpha.md (movtf_internal): Adjust call to
17765 alpha_split_tfmode_pair and rely on it to swap the operands.
17766 (movti_internal): New insn and post-reload splitter.
17767 (movti): New expander.
17769 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17771 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17774 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17776 * rtlanal.c (global_reg_mentioned_p_1,
17777 global_reg_mentioned_p): Remove.
17778 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17780 * flow.c (initialize_uninitialized_subregs): Make it static.
17781 * rtl.h: Remove the prototype for
17782 initialize_uninitialized_subregs.
17784 * function.c (instantiate_virtual_regs): Make it static.
17785 * function.h: Remove the prototype for
17786 instantiate_virtual_regs.
17788 * regmove.c (regmove_optimize, combine_stack_adjustments):
17790 * rtl.h: Remove the prototypes for regmove_optimize and
17791 combine_stack_adjustments.
17793 2006-01-17 Roger Sayle <roger@eyesopen.com>
17795 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17796 (size_cost): Encode costs in bytes so that a reg-reg addition is
17797 equivalent to COSTS_N_INSNS(1).
17798 (override_options): Use the size_cost.branch_cost as the default
17799 ix86_branch_cost when optimizing for size.
17801 2006-01-18 Ben Elliston <bje@au.ibm.com>
17803 * Makefile.in (D32PBIT_FUNCS): New.
17804 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17805 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17806 D64PBIT_FUNCS and D128PBIT_FUNCS.
17807 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17808 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17810 (decnumber_dep): Define.
17811 * doc/libgcc.texi (Decimal float library routines): New node.
17812 * config/dfp-bit.h, config/dfp-bit.c: New files.
17814 2006-01-18 Ben Elliston <bje@au.ibm.com>
17816 * expr.c (emit_move_change_mode): Always adjust addresses, not
17817 just during reload. Copy replacements only during reload.
17818 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17819 emit_move_via_integer.
17821 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17823 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17824 instead of $(srcdir) and ${srcdir}.
17826 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17829 PR middle-end/11135
17830 * arm.h (struct machine_function): Add pic_reg.
17831 * arm.c (arm_pic_register): Make unsigned.
17832 (arm_override_options): Only set arm_pic_register if
17833 TARGET_SINGLE_PIC_BASE.
17834 (use_return_insn): Only test for a pic register if it is fixed.
17835 (arm_compute_save_reg0_reg12_mask): Likewise.
17836 (thumb_compute_save_reg_mask): Likewise.
17837 (legitimate_pic_operand): Factor out some known invariants.
17838 (legitimize_pic_address): If we don't have a fixed pic register,
17839 then set up a pseudo in the function entry sequence. Handle the
17840 pic base being in a pseudo.
17841 (arm_load_pic_register): Handle the pic register being in a pseudo.
17842 (arm_expand_prologue): Only set up the pic register if it is fixed.
17843 (thumb_expand_prologue): Likewise.
17844 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17845 (pic_load_addr_based_insn): Likewise.
17846 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17849 2006-01-18 Ben Elliston <bje@au.ibm.com>
17851 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17852 decimal float modes for all floating point registers.
17854 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17855 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17857 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17860 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17861 even when the pointer is not NULL.
17863 2006-01-16 Ian Lance Taylor <ian@airs.com>
17865 * common.opt (ftoplevel-reorder): New option.
17866 * cgraph.c (cgraph_asm_nodes): New global variable.
17867 (cgraph_asm_last_node): New static variable.
17868 (cgraph_order): New global variable.
17869 (cgraph_create_node): Set new order field.
17870 (cgraph_varpool_node): Likewise.
17871 (decide_is_variable_needed): Return true if not
17872 flag_toplevel_reorder.
17873 (cgraph_add_asm_node): New function.
17874 * cgraph.h (struct cgraph_node): Add order field.
17875 (struct cgraph_varpool_node): Add order field.
17876 (struct cgraph_asm_node): Define.
17877 (cgraph_asm_nodes, cgraph_order): Declare.
17878 (cgraph_add_asm_node): Declare.
17879 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17881 (cgraph_varpool_assemble_pending_decls): Call it.
17882 (cgraph_output_pending_asms): New static function.
17883 (cgraph_finalize_compilation_unit): Call it.
17884 (struct cgraph_order_sort): Define.
17885 (cgraph_output_in_order): New static function.
17886 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17887 !flag_toplevel_reorder case.
17888 * c-parser.c: Include "cgraph.h".
17889 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17891 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17892 than -fno-unit-at-a-time.
17893 * doc/invoke.texi (Option Summary): Mention
17894 -fno-toplevel-reorder.
17895 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17896 -funit-at-a-time documentation.
17898 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17899 Kazu Hirata <kazu@codesourcery.com>
17901 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17903 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17905 * Makefile.in (FUNCTION_H): New. Use it instead of
17906 function.h throughout the file.
17907 * function.h: Include tree.h.
17909 2006-01-17 Ben Elliston <bje@au.ibm.com>
17911 * recog.c: Separate some functions with whitespace.
17913 2006-01-16 Richard Henderson <rth@redhat.com>
17915 Merge from gomp branch:
17916 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17917 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17918 and rename from struct inline_data. Rename callee* to dst*;
17919 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17920 transform_new_cfg, transform_return_to_modify, and
17921 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17923 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17924 (copy_decl_for_dup): Remove.
17925 * tree-inline.c (struct inline_data): Move to header.
17926 (insert_decl_map): Export.
17927 (remap_decl): Update for member name changes. Use copy_decl hook.
17928 Allow for replacement to be a non-decl. Remove dead code.
17929 (remap_type_1): Check for existing mapping.
17930 (remap_type): Export.
17931 (remap_decls): Update for member name changes.
17932 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17933 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17934 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17935 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17936 (tree_function_versioning, build_duplicate_type): Likewise.
17937 (copy_body_r): Likewise. Export.
17938 (copy_decl_for_dup): Split into ...
17939 (copy_decl_for_dup_finish, copy_decl_to_var,
17940 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17941 (replace_ref_tree, inlining_p): Remove.
17943 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17945 * ifcvt.c (if_convert): Make it static.
17946 * rtl.h: Remove the prototype for if_convert.
17948 * local-alloc.c (local_alloc): Make it static.
17949 * rtl.h: Remove the prototype for local_alloc.
17951 * loop.c (loop_optimize): Make it static.
17952 * cfgloop.h: Remove the prototype for loop_optimize.
17955 2006-01-16 DJ Delorie <dj@redhat.com>
17957 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17960 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17962 * pa.md: Disparage copies between general and floating-point registers
17963 in 32-bit move patterns.
17965 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17968 * Makefile.in (check-%): Depend on site.exp instead of
17969 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17972 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17974 * global.c (global_alloc): Make it static.
17975 * rtl.h: Remove the prototype for global_alloc.
17977 2006-01-16 Richard Guenther <rguenther@suse.de>
17979 * tree-ssa-alias.c (struct used_part): Add write_only field.
17980 (get_or_create_used_part_for): Initialize it to true.
17981 (create_overlap_variables_for): Don't create structure variables
17982 for structures that only are written to.
17983 (find_used_portions): Handle MODIFY_EXPR to track whether a
17984 structure is only written to.
17986 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17988 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17990 * basic-block.h: Remove the prototype for
17991 partition_hot_cold_basic_blocks.
17993 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17995 * cppspec.c (lang_specific_spec_functions): Remove.
17996 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17997 * gcc.h (lang_specific_spec_functions): Remove.
17998 * gccspec.c (lang_specific_spec_functions): Remove.
18000 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18002 * combine.c (record_value_for_reg): Invalidate registers
18004 (record_dead_and_set_regs_1): Likewise, by passing them to
18005 record_value_for_reg.
18006 (record_dead_and_set_regs): Invalidate stores made by a
18007 call. We do not combine across a call, but we still
18008 relied on equivalences.
18010 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18012 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18013 vrp_int_const_binop returning non-constant nodes.
18015 2006-01-16 Paul Brook <paul@codesourcery.com>
18017 * config/m68k/m68k.c (output_move_const_into_data_reg):
18018 Output correct mnemonic for mvz and mvs.
18020 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18022 * rtl-factoring.c: Add sequence abstraction algorithm.
18023 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18024 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18026 (block_has_preserve_label): New function.
18027 * common.opt: Register new pass.
18028 * Makefile.in: Ditto.
18030 * timevar.def: Ditto.
18031 * tree-pass.h: Ditto.
18032 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18033 * rtl.h (make_jump_insn_raw): Add forward decl.
18034 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18036 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18037 Roger Sayle <roger@eyesopen.com>
18039 * fold-const.c (fold_minmax): New static function.
18040 (fold_binary) <MIN_EXPR>: Call it.
18041 <MAX_EXPR>: Likewise.
18042 * stor-layout.c (place_field): Use DECL_SIZE consistently
18043 in the computation of the new record size.
18045 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18047 * cse.c (cse_condition_code_reg): Make it static.
18048 * rtl.h: Remove the prototype for cse_condition_code_reg.
18050 * combine.c (combine_instructions): Make it static.
18051 * rtl.h: Remove the prototype for combine_instructions.
18053 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18056 * tree.c (get_file_function_name_long): Concatenate the first global
18057 object name with a string derived from the input filename of the object
18060 2006-01-16 Ben Elliston <bje@au.ibm.com>
18062 * config/i386/winnt-stubs.c: Update FSF address.
18063 * config/xtensa/ieee754-df.S: Ditto.
18064 * config/xtensa/ieee754-sf.S: Ditto.
18066 2006-01-14 Ian Lance Taylor <ian@airs.com>
18068 * ifcvt.c (noce_init_if_info): New static function, broken out of
18069 noce_process_if_block.
18070 (noce_process_if_block): Call noce_init_if_info.
18071 (check_cond_move_block): New static function.
18072 (cond_move_process_if_block): New static function.
18073 (process_if_block): Call cond_move_process_if_block.
18075 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18077 * cselib.c (hash_table): Rename to cselib_hash_table.
18078 (cselib_clear_table, discard_useless_values,
18079 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18080 cselib_init, cselib_finish): Adjust uses of hash_table.
18082 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18084 PR tree-optimization/25485
18085 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18086 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18087 is known to be false and true, respectively.
18089 2006-01-14 Richard Guenther <rguenther@suse.de>
18091 PR tree-optimization/22548
18092 PR tree-optimization/22555
18093 PR tree-optimization/22501
18094 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18095 * params.def (salias-max-array-elements): New parameter.
18096 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18097 * doc/invoke.texi (salias-max-array-elements): Document.
18098 * tree-flow-inline.h (var_can_have_subvars): We also handle
18100 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18102 * tree-ssa-structalias.c (params.h): Include.
18103 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18104 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18105 (get_constraint_for): For ADDR_EXPR operating on something
18106 containing an ARRAY_REF, add all subvars to the solution.
18107 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18108 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18109 for creating MUST_DEFs.
18110 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18112 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18114 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18116 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18117 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18118 number_of_iterations_le): New functions.
18119 (number_of_iterations_special): Removed.
18120 (number_of_iterations_exit): Do not use number_of_iterations_special.
18121 * tree.c (unsigned_type_for): Always return integer type.
18123 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18124 Richard Guenther <rguenther@suse.de>
18126 PR rtl-optimization/24257
18127 * gcse.c (find_moveable_store): Only consider a store movable
18128 when the SET_SRC of the insn can be assigned to a register.
18130 2006-01-14 Ian Lance Taylor <ian@airs.com>
18132 * tree.c (tree_not_class_check_failed): New function.
18133 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18134 (tree_not_class_check_failed): Declare.
18136 2006-01-13 Ian Lance Taylor <ian@airs.com>
18138 * reload1.c (do_output_reload): Add assertion rejecting a
18141 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18143 * combine.c (struct reg_stat): Add new fields truncation_label and
18145 (record_value_for_reg): Reset truncated_to_mode.
18146 (record_truncated_value): New function.
18147 (check_promoted_subreg): Call it. Rename to check_conversions.
18148 (combine_instructions): Rename check_promoted_subreg to
18150 (reg_truncated_to_mode): New function.
18151 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18152 (gen_lowpart_or_truncate): New function.
18153 (force_to_mode): Use it instead of gen_lowpart.
18155 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18157 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18158 VAR is a tag, not its type tag.
18160 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18162 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18163 alternatives to match style of other entries.
18164 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18166 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18168 PR tree-optimization/25771
18169 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18172 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18175 * tree-inline.c (declare_return_variable): If the return variable
18176 was marked as a non gimple complex, set the return slot variable
18177 to be a non gimple comple variable.
18179 2006-01-13 Richard Guenther <rguenther@suse.de>
18181 * builtins.c (expand_builtin_sincos): New function.
18182 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18184 (expand_builtin): Expand sincos using expand_builtin_sincos.
18186 2006-01-12 DJ Delorie <dj@redhat.com>
18188 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18189 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18190 so that constant shifts can be split.
18191 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18192 (m32c_valid_pointer_mode): Make static.
18193 (shift_gen_func_for): New.
18194 (m32c_prepare_shift): Use it. Split large const shifts into
18196 * config/m32c/predicates.md (shiftcount_operand): Allow more
18198 (longshiftcount_operand): New.
18199 * doc/md.texi (Machine Constraints): Document In6.
18201 2006-01-13 Ben Elliston <bje@au.ibm.com>
18203 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18204 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18207 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18209 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18210 to try to avoid clobbering pieces of structures when we know
18211 something about the whole structure.
18212 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18214 2006-01-13 Ben Elliston <bje@au.ibm.com>
18216 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18217 return in memory, as this is no limitation is no longer present.
18219 2006-01-12 DJ Delorie <dj@redhat.com>
18221 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18222 mova with fb, and for fb+0 -> An.
18224 * config/m32c/mov.md (peephole2): Fix enabling logic.
18226 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18227 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18228 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18229 FINI_ARRAY_SECTION_ASM_OP): Define.
18231 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18233 (m32c_legitimize_reload_address): New logic to reload FB to An.
18234 (m32c_output_reg_push): Add newline.
18235 (m32c_output_reg_pop): Likewise.
18237 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18239 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18241 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18243 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18245 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18247 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18250 2006-01-11 Ben Elliston <bje@au.ibm.com>
18252 * rtlanal.c (find_reg_note): Assert insn is not null.
18254 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18256 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18259 2006-01-11 Jeff Law <law@redhat.com>
18261 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18263 (mark_threaded_blocks, register_jump_thread): New functions.
18264 (thread_through_all_blocks): Remove unwanted argument. No
18265 longer rely on e->aux to communicate thread target info.
18266 Call mark_threaded_blocks. Release the threaded_blocks
18267 bitmap and threaded_edges vector when complete.
18268 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18269 (threaded_blocks): Remove.
18270 (tree_ssa_dominator_optimize): Remove initialization and
18271 finalization of threaded_blocks. Simplify call to
18272 thread_through_all_blocks.
18273 (thread_across_edge): Call register_jump_thread rather than
18274 storing thread information into e->aux.
18275 (free_all_edge_infos): Simplify now that e->aux is no longer
18276 used to communicate with thread_through_all_blocks.
18277 * tree-flow.h (thread_through_all_blocks): Update prototype.
18278 (register_jump_thread): Prototype.
18280 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18282 * df-core.c (df_compact_blocks, df_bb_replace): Use
18283 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18285 2006-01-11 Richard Guenther <rguenther@suse.de>
18287 PR tree-optimization/25734
18288 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18289 stop propagation after successful propagation to the LHS.
18291 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18293 * basic-block.h (control_flow_graph): Change the type of
18294 x_basic_block_info to VEC(basic_block,gc) *.
18295 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18297 (SET_BASIC_BLOCK): New.
18298 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18299 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18300 * cfgbuild.c (find_basic_blocks): Likewise.
18301 * cfglayout.c (fixup_reorder_chain): Likewise.
18302 * cfgrtl.c (create_basic_block_structure,
18303 rtl_create_basic_block): Likewise.
18304 * ifcvt.c (find_if_case_1): Likewise.
18305 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18308 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18310 * Makefile.in: Removed rotted odf.c entry.
18312 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18315 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18316 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18317 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18318 output pattern modifier, not %e.
18319 * config/cris/cris.c (cris_op_str): Update comment about pattern
18321 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18322 before falling through into...
18323 <case 'E'>: Redefined from old 'e' case.
18325 2006-01-11 Jan Hubicka <jh@suse.cz>
18328 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18330 2006-01-11 Jan Hubicka <jh@suse.cz>
18332 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18333 * i386.c (x86_decompose_lea): Kill.
18334 (ix86_rtx_costs): Kill.
18336 2006-01-11 Jan Hubicka <jh@suse.cz>
18338 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18339 * cgraph.h (cgraph_node): Add inline_decl.
18340 (cgraph_insert_node_to_hashtable): Declare.
18341 (save_inline_function_body): Declare.
18342 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18344 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18345 (cgraph_function_versioning): Update call of tree_function_versioning.
18346 (save_inline_function_body): New function.
18347 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18348 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18349 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18350 (cgraph_default_inline_p): Likewise.
18351 (cgraph_decide_inlining_incrementally): Likewise.
18352 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18353 (copy_bb): Kill saving; do updating of clones.
18354 (copy_cfg_body): Kill saving.
18355 (initialize_inlined-parameters): Likewise.
18356 (expand_call_inline): Likewise.
18358 (tree_function_versioning): New parameter "update_clones".
18359 (inlining_p): Kill saving.
18360 * tree-inline.h (tree_function_versioning): Update prototype.
18361 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18364 2006-01-11 Ian Lance Taylor <ian@airs.com>
18366 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18367 Allow undoing set of machine mode.
18368 (do_SUBST): Use enums instead of is_int.
18369 (do_SUBST_MODE): New function.
18370 (SUBST_MODE): New macro.
18371 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18372 reg and trying to replace reg_regno_rtx with a new register.
18373 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18374 (simplify_set): Use SUBST_MODE.
18375 (distribute_notes): Remove code that tried to update reg notes
18376 for regno_reg_rtx changes.
18378 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18380 PR tree-optimization/23109
18381 PR tree-optimization/23948
18382 PR tree-optimization/24123
18384 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18385 * tree-cfg.c (single_noncomplex_succ): New.
18386 * tree-flow.h (single_noncomplex_succ): Declare it.
18387 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18388 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18389 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18390 insert_bb, register_division_in, insert_reciprocals,
18391 replace_reciprocal, free_bb): New.
18392 (execute_cse_reciprocals_1): Rewritten.
18393 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18394 Do not commit any edge insertion. Always compute dominators and
18395 create the allocation pool.
18396 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18397 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18398 * targhooks.c (default_min_divistions_for_recip_mul): New.
18399 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18400 * passes.c (init_optimization_passes): Run recip after tree loop
18402 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18404 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18405 Kenneth Zadeck <zadeck@naturalbridge.com>
18407 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18408 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18409 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18410 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18411 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18412 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18413 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18414 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18415 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18416 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18417 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18418 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18419 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18420 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18421 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18422 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18423 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18424 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18425 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18426 DF_SCAN_POST_ALLOC): New macros.
18427 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18428 df_free_bb_function, df_local_compute_function, df_init_function,
18429 df_dataflow_function, df_confluence_function_0,
18430 df_confluence_function_n, df_transfer_function,
18431 df_finalizer_function, df_free_function, df_dump_problem_function,
18432 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18433 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18434 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18435 df_urec_bb_info, ) New types.
18436 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18438 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18439 df_analyze_simple_change_some_blocks,
18440 df_analyze_simple_change_one_block, df_compact_blocks,
18441 df_bb_replace, df_bb_regno_last_use_find,
18442 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18443 df_insn_regno_def_p, df_find_def, df_find_use,
18444 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18445 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18446 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18447 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18448 debug_df_chain, df_get_dependent_problem, df_chain_create,
18449 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18450 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18451 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18452 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18453 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18454 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18455 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18456 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18457 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18458 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18459 df_reorganize_refs, df_set_state, df_hard_reg_init,
18460 df_read_modify_subreg_p) New public functions.
18461 * df-core.c: The core dataflow solver and glue routines for rtl
18463 (df_init, df_add_problem, df_set_blocks, df_finish,
18464 df_hybrid_search_forward, df_hybrid_search_backward,
18465 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18466 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18467 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18468 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18469 df_reg_defined, df_find_use, df_reg_used, df_dump,
18470 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18471 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18472 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18473 debug_df_useno, reset_df_after_reload): New functions.
18474 * df-scan.c: The scanning fuctions, once in df.c, completely
18475 rewritten so that they now fully model the functionality of
18476 register usage at the backend.
18477 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18478 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18479 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18480 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18481 df_get_artificial_defs, df_get_artificial_uses,
18482 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18483 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18484 df_refs_delete, df_reorganize_refs, df_set_state,
18485 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18486 df_def_record_1, df_defs_record, df_uses_record,
18487 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18488 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18489 df_record_exit_block_uses, df_hard_reg_init): New functions.
18491 * df-problems.c: Seven concrete dataflow problems that use the
18492 scanning in df-scan.c and are solved by the engine in df-core.c.
18493 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18494 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18495 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18496 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18497 df_ru_free_bb_info, df_ru_alloc,
18498 df_ru_bb_local_compute_process_def,
18499 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18500 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18501 df_ru_transfer_function, df_ru_free, df_ru_dump,
18502 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18503 df_rd_free_bb_info, df_rd_alloc,
18504 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18505 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18506 df_rd_transfer_function, df_rd_free, df_rd_dump,
18507 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18508 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18509 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18510 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18511 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18512 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18513 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18514 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18515 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18516 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18517 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18518 df_urec_mark_reg_use_for_earlyclobber,
18519 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18520 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18521 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18522 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18523 df_chain_create_bb_process_use, df_chain_create_bb,
18524 df_chain_finalize, df_chain_free, df_chains_dump,
18525 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18526 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18527 df_reg_lifetime): New functions.
18528 * df.c: Deleted file.
18529 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18530 consistent with new df api.
18531 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18532 rest_of_handle_sms): Ditto.
18533 * web.c (unionfind_union, union_defs, entry_register, web_main):
18535 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18536 invariant_expr_equal_p, find_defs, check_dependencies,
18537 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18538 free_inv_motion_data, move_loop_invariants): Ditto.
18539 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18540 Update dependencies.
18541 (odf.c): Added defective entry that was deleted later in day.
18542 * sched-deps.c (sched_analyze_1): Ditto.
18544 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18546 * tree-ssa-operands.c (get_expr_operands): Record addressable
18547 variables directly. Do not call add_stmt_operands for CONST_DECLs
18549 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18550 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18552 2006-01-11 Ben Elliston <bje@au.ibm.com>
18554 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18555 function returns true in the positive case.
18557 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18560 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18561 for SI, DI, SF and DF modes. Add alternatives to copy between
18562 general and floating point registers to the 32-bit patterns.
18563 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18564 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18565 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18566 generating 64-bit code.
18567 * config/pa/pa.c (output_move_double): Handle copies between general
18568 and floating registers.
18570 2006-01-10 Stuart Hastings <stuart@apple.com>
18572 * config/i386/i386.md (set_got): Update.
18573 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18574 (builtin_setjmp_receiver): Mach-O support.
18575 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18576 (GOT_SYMBOL_NAME): Define.
18577 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18578 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18579 * config/i386/i386.c (override_options): Revise for Darwin.
18580 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18581 support. (darwin_x86_file_end): New. (output_set_got): Add label
18582 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18583 * config/i386/i386-protos.h (output_set_got): Likewise.
18584 * config/darwin.c (machopic_legitimize_pic_address): Update
18587 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18589 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18590 when MODE isn't BLKmode.
18592 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18594 PR rtl-optimization/25367
18595 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18597 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18600 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18601 for a negative bound.
18603 2006-01-10 Richard Guenther <rguenther@suse.de>
18605 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18606 Never override with anything constraint.
18608 2006-01-10 Jan Beulich <jbeulich@novell.com>
18610 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18611 256 bits when optimize_size.
18613 2006-01-10 Jan Beulich <jbeulich@novell.com>
18615 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18617 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18618 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18621 2006-01-10 Ben Elliston <bje@au.ibm.com>
18623 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18625 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18626 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18627 (USE_FP_FOR_ARG): Reject decimal float modes.
18628 (function_arg_advance): Likewise.
18629 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18630 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18631 point types in AltiVec vectors.
18632 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18633 (rs6000_libcall_value): Likewise.
18635 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18637 * config/xtensa/ieee754-df.S: New file.
18638 * config/xtensa/ieee754-sf.S: New file.
18639 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18640 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18641 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18643 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18645 * config/sh/predicates.md (binary_float_operator,
18646 binary_logical_operator, commutative_float_operator,
18647 equality_comparison_operator, greater_comparison_operator,
18648 less_comparison_operator, logical_operator,
18649 noncommutative_float_operator, shift_operator,
18650 symbol_ref_operand, unary_float_operator): Remove redundant
18653 2006-01-09 Jeff Law <law@redhat.com>
18655 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18656 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18657 now unused arguments. Callers updated.
18658 (eliminate_redundant_computations): Remove now unused arguments,
18660 (local_fold): Remove, no longer used.
18661 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18663 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18664 (simplify_cond): New function.
18665 (forward_propagate_into_cond): Call simplify_cond.
18667 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18669 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18670 (*vec_extractv2di_1_sse): New.
18672 2006-01-09 Ben Elliston <bje@au.ibm.com>
18674 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18676 2006-01-08 Richard Guenther <rguenther@suse.de>
18678 * tree-ssa-structalias.c (get_constraint_for): Remove
18679 anyoffset argument.
18680 (get_constraint_for_component_ref): Likewise.
18681 (do_deref): Likewise.
18682 (get_constraint_for): Likewise.
18683 (do_structure_copy): Likewise.
18684 (handle_ptr_arith): Likewise.
18685 (find_func_aliases): Likewise. Remove unused need_anyoffset
18688 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18689 Kaz Kojima <kkojima@gcc.gnu.org>
18691 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18692 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18693 (EXTRA_CONSTRAINT_C16): Remove.
18694 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18695 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18696 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18697 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18698 constants of SHmedia. Handle nested constant expressions of
18700 (andcosts): Fix the costs for SHmedia constants.
18701 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18702 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18703 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18704 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18705 (movv4hi_i, movv2si_i): Likewise.
18706 (movsi_const): Adjust the second operand of ior so to match with
18707 the Csu constraint.
18708 (movdi_const, movdi_const_32bit): Likewise.
18709 (movdi_const_16bit+1): Don't sign-extend LOW.
18710 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18712 (*double_shori): Fix the split condition. Use GEN_INT instead
18713 of get_int_mode calls. Mask lower 16-bit of the argument of
18715 (sym2GOTPLT): Remove.
18716 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18718 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18719 instead of EXTRA_CONSTRAINT_C16.
18721 2006-01-07 Ian Lance Taylor <ian@airs.com>
18722 David Edelsohn <edelsohn@gnu.org>
18724 PR rtl-optimization/25662
18725 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18726 for constant operands instead of simplify_gen_binary.
18727 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18728 after trying simplify_binary_operation
18730 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18732 * tree.c (iterative_hash_expr): Hash decls based on UID.
18734 2006-01-06 Eric Christopher <echristo@apple.com>
18736 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18737 (TARGET_UNWIND_EMIT): Fix spelling.
18738 * target.h (gcc_target): Add except_table_label.
18739 * except.c (output_function_exception_table): Use.
18740 * varasm.c (default_emit_except_table_label): New.
18741 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18743 (asm_out): Add here.
18744 * output.h (default_emit_except_table_label): Prototype.
18745 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18746 * config/darwin.c (darwin_emit_except_table_label): Define.
18747 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18749 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18751 PR tree-optimization/18527
18752 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18753 number_of_iterations_special, number_of_iterations_exit):
18754 Move base and step of an iv to a single structure. Add
18755 no_overflow flag, and use it in # of iterations analysis.
18756 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18757 folded_casts argument.
18758 (simple_iv): Pass base and step in a structure. Set no_overflow
18760 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18761 Evaluate expensiveness of computing # of iterations instead of
18762 the final expression.
18763 * tree-scalar-evolution.h (affine_iv): New structure.
18764 (simple_iv): Declaration changed.
18765 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18766 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18767 find_givs_in_stmt): Changed due to simple_iv change.
18769 2006-01-06 Jeff Law <law@redhat.com>
18772 * tree-cfg.c (bsi_replace): Rename final argument from
18773 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18774 change (stmt -> orig_stmt).
18775 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18776 (bsi_remove): Add new argument. Remove EH information
18778 (verify_eh_throw_table_statements): New function.
18779 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18781 * tree-optimize.c (execute_free_cfg_annotations): Verify
18782 the EH throw statement table after removing annotations.
18783 * except.h (verify_eh_throw_table_statements): Prototype.
18784 * tree-flow.h (bsi_remove): Update prototype.
18785 * tree-vrp.c (remove_range_assertions): Add new argument to
18787 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18788 * tree-complex.c (expand_complex_div_wide): Likewise.
18789 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18790 * tree-tailcall.c (eliminate_tailcall): Likewise.
18791 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18792 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18793 * tree-nrv.c (tree_nrv): Likewise.
18794 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18795 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18796 (combine_blocks): Likewise.
18797 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18798 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18799 (cleanup_control_flow): Likewise.
18800 (remove_forwarder_block): Likewise.
18801 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18802 * tree-sra.c (sra_replace): Likewise.
18803 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18804 (forward_propagate_single_use_vars): Likewise.
18805 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18806 * tree-inline.c (expand_call_inline): Likewise.
18807 * tree-vect-transform.c (vect_transform_loop): Likewise.
18808 * tree-outof-ssa.c (rewrite_trees): Likewise.
18809 * tree-cfg.c (make_goto_expr_edges): Likewise.
18810 (cleanup_dead_labels): Likewise.
18811 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18812 (bsi_move_before, bsi_move_after): Likewise.
18813 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18814 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18816 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18819 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18821 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18822 on non gimple variables. Also add checks at the top for decls and
18824 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18826 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18827 and IMAGPART_EXPR for creating MUST_DEFs.
18828 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18829 and NAME_MEMORY_TAG separately from the DECLs.
18831 2006-01-06 Richard Guenther <rguenther@suse.de>
18833 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18834 annotation, if necessary.
18835 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18836 redundant calls to update_stmt.
18837 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18840 2006-01-05 Richard Henderson <rth@redhat.com>
18842 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18844 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18846 * c-typeck.c: Update copyright date.
18848 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18850 * c-typeck.c (build_c_cast): Always warn when casting
18851 from a pointer to an integer of different size, even if
18852 the node was constant.
18854 2006-01-05 Richard Guenther <rguenther@suse.de>
18856 PR tree-optimization/22555
18857 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18858 if one structure field is an array.
18859 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18860 operands even if we found a subvar, but ignore VOPs in this
18862 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18864 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18866 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18868 PR middle-end/24998
18869 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18871 2006-01-05 Richard Guenther <rguenther@suse.de>
18872 Diego Novillo <dnovillo@redhat.com>
18874 * tree-pass.h (TODO_remove_unused_locals): Define.
18875 * gimple-low.c (expand_var_p, remove_useless_vars,
18876 pass_remove_useless_vars): Remove. Update all users.
18877 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18878 (remove_unused_locals): New function.
18879 * tree-flow.h (remove_unused_locals): Declare.
18880 * passes.c (execute_todo): Call remove_unused_locals if
18881 TODO_remove_unused_locals is set.
18882 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18883 * tree-ssa-dce.c (pass_dce): Likewise.
18884 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18886 2006-01-05 Richard Guenther <rguenther@suse.de>
18888 * tree-flow.h (struct fieldoff): Decompose field to
18889 type, size and decl.
18890 * tree-ssa-alias.c (create_sft): Take type as parameter.
18891 (create_overlap_variables_for): Store type, size and decl
18892 in the fieldoff structure.
18893 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18894 of struct fieldoff.
18895 (push_fields_onto_fieldstack): Likewise.
18896 (create_variable_info_for): Likewise. Use offset for the
18897 SFT name if the decl is not available.
18899 2006-01-04 Paul Brook <paul@codesourcery.com>
18901 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18903 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18905 * lambda-code.c (can_put_in_inner_loop): Relax
18907 (can_put_after_inner_loop): New function.
18908 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18909 (perfect_nestify): Change to make copies and modify uses.
18911 2006-01-04 Richard Henderson <rth@redhat.com>
18913 Merge from gomp branch:
18914 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18915 via integer constant.
18916 (pragma_lex): Remove.
18917 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18918 rather than parsing it.
18919 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18920 handle_pragma_extern_prefix): Add %< %> quotes.
18921 (registered_pragmas): New.
18922 (c_register_pragma_1): New.
18923 (c_register_pragma): Use it.
18924 (c_register_pragma_with_expansion): Likewise.
18925 (c_invoke_pragma_handler): New.
18926 (init_pragma): Use cpp_register_deferred_pragma directly for
18928 * c-pragma.h (enum pragma_kind): New.
18929 (pragma_handler): New.
18930 (c_invoke_pragma_handler): Declare.
18931 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18933 * c-common.h (c_common_pch_pragma): Update decl.
18934 * Makefile.in (c-parser.o): Update dependencies.
18935 (GTFILES): Add c-pragma.h.
18936 * c-parser.c (struct c_token): Add pragma_kind.
18937 (struct c_parser): Add in_pragma.
18938 (c_lex_one_token): Always initialize keyword and pragma_kind.
18939 Extract data for CPP_PRAGMA.
18940 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18941 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18942 Don't allow CPP_PRAGMA_EOL if in_pragma.
18943 (c_parser_consume_pragma): New.
18944 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18945 (c_parser_skip_to_end_of_parameter): Likewise.
18946 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18947 (c_parser_skip_to_pragma_eol): New.
18948 (c_parser_external_declaration): Handle CPP_PRAGMA.
18949 (c_parser_compound_statement_nostart): Likewise.
18950 (c_parser_statement_after_labels): Likewise.
18951 (c_parser_pragma): New.
18952 (pragma_lex): Likewise.
18953 (c_parser_pragma_pch_preprocess): New.
18954 (c_parser_new): Merge into ...
18955 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18957 2006-01-04 Jeff Law <law@redhat.com>
18960 * tree-cfg.c (bsi_replace): Remove the original statement
18961 from the EH throw statement table.
18963 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18965 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18966 make the prototype extern "C" and add throw ().
18969 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18970 and pos non-negative and pos + len <= 32.
18971 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18972 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18973 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18976 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18977 as well as sizes not multiple of component size.
18980 * function.c (instantiate_expr): New function.
18981 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18982 walk its DECL_VALUE_EXPR with instantiate_expr.
18984 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18985 DW_OP_deref{,_size} if address isn't going to be added.
18987 2006-01-04 Ben Elliston <bje@au.ibm.com>
18989 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18990 * config/fp-bit.c: Likewise.
18992 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18994 * dominance.c: Add comment about why we use DFS numbering
18997 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18998 Richard Henderson <rth@redhat.com>
19000 Merge from gomp-branch:
19001 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19002 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19004 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19006 PR rtl-optimization/25578
19007 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19008 pass a parameter to simplify_shift_const if changing ASHIFTRT
19011 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19013 * builtins.c (get_builtin_sync_mem): New function.
19014 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19015 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19016 Call get_builtin_sync_mem to generate mem rtx.
19018 2006-01-03 Richard Guenther <rguenther@suse.de>
19021 * stmt.c (add_case_node): Make sure to clear overflow flags
19024 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19026 Merge from gomp-branch.
19027 * config/sparc/sync.md: New file.
19028 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19029 UNSPECV_LDSTUB): New constants.
19030 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19031 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19032 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19035 2006-01-03 Roger Sayle <roger@eyesopen.com>
19037 * combine.c (reg_subword_p): New predicate to test whether the
19038 destination of a set refers to a subword/piece of a register.
19039 (try_combine): Generalize the code to merge the setting of a
19040 pseudo to a constant followed by a set of a subword of that
19041 register to a constant.
19043 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19045 * basic-block.h (control_flow_graph): Change the type of
19046 x_label_to_block_map to VEC(basic_block,gc) *.
19047 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19048 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19050 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19051 VEC(basic_block,heap) *.
19052 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19053 ssa_prop_fini): Adjust the uses of cfg_blocks.
19055 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19057 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19059 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19060 hashing trees instead of a pointer hash.
19061 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19062 compare for MEM_EXPR.
19064 PR rtl-optimization/25130
19065 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19066 when comparing MEMs for GCSE
19068 2006-01-03 Ben Elliston <bje@au.ibm.com>
19070 * targhooks.h (default_decimal_float_supported_p): Declare.
19071 * targhooks.c (default_decimal_float_supported_p): Define.
19072 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19073 `default_decimal_float_supported_p'.
19074 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19076 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19078 * combine.c (apply_distributive_law <SUBREG>): Check
19079 TRULY_NOOP_TRUNCATION.
19081 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19083 * dwarf2out.c (have_switched_text_section): Delete.
19084 (have_multiple_function_sections): New.
19085 (have_location_lists): Make 'bool'.
19086 (add_AT_loc_list): Use 'true' not '1'.
19087 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19088 (output_loc_list): Use have_multiple_function_sections.
19089 (output_ranges): Likewise.
19090 (dwarf2out_begin_function): Set have_multiple_function_sections if
19092 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19093 Check function_section rather than DECL_SECTION_NAME.
19094 (dwarf2out_finish): Use have_multiple_function_sections.
19095 Don't clear have_location_lists.
19097 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19098 Jan Hubicka <jh@suse.cz>
19100 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19101 case of conditional jump jumping to the next instruction.
19102 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19103 cases of conditional jump jumping to the next instruction.
19105 2006-01-02 Jan Hubicka <jh@suse.cz>
19107 * i386.c (*_cost): Add COSTS_N_INSNS.
19108 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19110 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19113 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19115 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19117 * config/arm/arm.c (all_fpus): Fix comment typo.
19118 * config/darwin.c: Likewise.
19119 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19120 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19121 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19123 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19125 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19126 (rs6000_split_compare_and_swapqhi): New.
19127 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19128 (sync_compare_and_swapqhi_internal): New.
19129 * config/rs6000/rs6000-protos.h: Declare.