1 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3 * config/sh/predicates.md (cache_address_operand): Special.
4 (ua_address_operand): Likewise.
6 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12 2006-03-15 Andreas Schwab <schwab@suse.de>
14 * gensupport.c (identify_predicable_attribute): Don't free p_false
15 when it is still in use.
17 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
19 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
20 the default setting here.
22 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
24 * tree-pass.h (pass_cfg): Remove.
25 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
26 * passes.c (pass_cfg): Don't run it.
28 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
30 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
31 * reg-stack.c (stack_regs_mentioned_data): Change the type to
33 (stack_regs_mentioned): Update the uses of
34 stack_regs_mentioned_data. Don't access the array beyond its
36 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
37 Don't include gt-reg-stack.h.
39 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
40 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
42 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
45 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
48 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
50 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
52 2006-03-14 Richard Guenther <rguenther@suse.de>
54 PR tree-optimization/26672
55 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
58 2006-03-14 Richard Guenther <rguenther@suse.de>
60 PR tree-optimization/26667
61 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
62 node for the callees. Always allow inlining if it will shrink
65 2006-03-14 Richard Guenther <rguenther@suse.de>
68 * builtins.c (get_pointer_alignment): Prefer alignment
69 information from decls over that from types.
71 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
74 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
76 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
78 * config/rs6000/rs6000.opt (mdlmzb): New option.
79 (msched-prolog, msched-epilog): Use Var not Mask.
80 * doc/invoke.texi (-mdlmzb): Document.
81 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
83 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
84 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
86 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
88 PR rtl-optimization/25739
89 * bt-load.c (augment_live_range): Free tos pointer.
91 * gensupport.c (identify_predicable_attribute): Free
93 * gcov.c (create_file_names): Free name pointer.
95 2006-03-13 Roger Sayle <roger@eyesopen.com>
98 * stmt.c (emit_case_nodes): Handle the case where the index is a
99 CONST_INT, where the comparison mode is specified by the index type.
101 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
103 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
106 2006-03-13 Richard Sandiford <richard@codesourcery.com>
108 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
109 (*branch_fp_inverted): Likewise.
111 2006-03-13 Jakub Jelinek <jakub@redhat.com>
114 * omp-low.c (expand_omp_for_generic): Mark istart0
115 and iend0 as addressable.
117 2006-03-13 Jie Zhang <jie.zhang@analog.com>
119 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
121 2006-03-13 Jeff Law <law@redhat.com>
123 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
124 virtual operands are interesting.
125 (vrp_visit_stmt): Corresponding changes.
127 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
129 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
131 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
132 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
133 * config/bfin/crti.S: Use it instead of __PIC__.
134 * config/bfin/crtn.S: Likewise.
136 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
137 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
139 Lose 'G' modifier for call operand.
140 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
141 recognize 'G' modifier.
143 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
146 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
147 * stmt.c (expand_case): Likewise.
149 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
151 PR rtl-optimization/26254
152 * loop-invariant.c (seq_insns_valid_p): New function.
153 (move_invariant_reg): Only emit new code if it is valid.
155 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
157 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
159 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
160 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
161 (commit_one_edge_insertion): Do not look for loop notes.
163 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
165 * jump.c (follow_jumps): Do not check for loop notes. Move check for
166 flag_test_coverage out of loop.
168 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
170 * final.c (shorten_branches): Remove outdated comment, and turn
171 the if branch that guards it to continue.
173 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
175 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
176 * cfgloop.h (struct loop): Remove unused fields.
178 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
180 * doc/invoke.texi (-fdump-rtl-loop): Remove.
181 (-dL, -fdump-rtl-loop2): Update the dump file names
183 * doc/invoke.texi: Update dump file names.
185 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
187 * predict.c (estimate_probability): Remove.
188 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
189 * basic-block.h (estimate_probability): Remove prototype.
190 * passes.c (finish_optimization_passes): Dump branch prediction or
191 profiling heuristics to the .profile tree dump.
192 (init_optimization_passes): Unqueue pass_branch_prob.
194 * doc/invoke.texi (-fdump-rtl-bp): Remove.
196 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
198 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
199 * rtl.h (LABEL_NEXTREF): Remove field accessor.
201 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
203 * function.h (frame_offset_overflow): Declare.
204 * function.c (frame_offset_overflow): New function.
205 (assign_stack_local_1): Call it to detect that the offset overflows.
206 * cfgexpand.c (alloc_stack_frame_space): Likewise.
208 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
210 * config/sh/sh.c: Include alloc-pool.h.
211 (label_ref_list_pool): New alloc pool.
212 (label_ref_list_t): New type for lists of labels.
213 (struct pool_node): Make wend a label_ref_list_t.
214 (add_constant): Use the new type, eradicate LABEL_NEXTREF
216 (dump_table): Likewise.
217 (sh_reorg): Set up the alloc pool before using add_constant and
218 dump_table, and destroy it when finishing.
220 2006-03-11 Richard Sandiford <richard@codesourcery.com>
222 * config/mips/mips.c: Remove redundant comment.
224 2006-03-10 Jason Merrill <jason@redhat.com>
227 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
228 the target was declared 'register'.
230 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
232 * genpreds.c (write_insn_constraint_len): Change definition of
233 insn_constraint_len to return size_t to match the declaration.
235 2006-03-10 DJ Delorie <dj@redhat.com>
237 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
239 (m32c_expand_insv): Fix test for an AND mask.
241 2006-03-10 Richard Guenther <rguenther@suse.de>
244 * builtins.c (get_pointer_alignment): Handle component
245 references for field alignment.
247 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
249 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
250 when building with libgloss.
251 (sh*elf): Implement --without-fp option.
252 (sh64-superh-linux*): Don't multilib.
254 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
256 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
258 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
260 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
261 Set it when one of the replacement functions returned true.
262 Return TODO_cleanup_cfg if cfgchanged is true.
263 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
265 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
267 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
268 instead of gen_lowpart.
270 2006-03-09 Richard Sandiford <richard@codesourcery.com>
272 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
274 (mips_output_order_conditional_branch): Declare.
275 * config/mips/mips.h (MIPS_BRANCH): New macro.
276 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
277 for the comparison. Use gen_condjump.
278 (mips_output_conditional_branch): Rework interface to take the
279 asm templates for a direct branch and the inverse of a direct branch.
280 (mips_output_order_conditional_branch): New function.
281 (mips_builtin_branch_and_move): New function.
282 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
283 branch condition. Use gen_single_cc as the condition for
284 __builtin_mips_upper_* or __builtin_mips_lower_*.
285 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
286 Use VOIDmode for the branch condition.
287 * config/mips/predicates.md (order_operator): New predicate.
288 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
289 (branch_fp): Rename to...
290 (*branch_fp): ...this. Remove mode from comparison operator.
291 Use new mips_output_conditional_branch interface.
292 (branch_fp_inverted): Rename to...
293 (*branch_fp_inverted): ...this and update as for *branch_fp.
294 (*branch_zero<mode>): Rename to...
295 (*branch_order<mode>): ...this. Remove mode from comparison operator.
296 Use mips_output_order_conditional_branch. Only accept ordered
298 (*branch_zero<mode>_inverted): Rename to...
299 (*branch_order<mode>_inverted): ...this and update as for
301 (*branch_equality<mode>): Accept zero as the second operand to
302 the equality operator. Use the new mips_output_conditional_branch
304 (*branch_equality<mode>_inverted): Likewise.
305 (condjump): New expander.
306 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
308 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
309 (bc1any2t, bc1any2f): Likewise.
310 (single_cc): New expander.
311 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
313 2006-03-09 Richard Sandiford <richard@codesourcery.com>
315 * doc/md.texi: Update documentation of MIPS constraints.
316 * config/mips/constraints.md: New file.
317 * config/mips/mips.md: Include it.
318 * config/mips/mips.c (mips_char_to_class): Delete.
319 (override_options): Don't initialize mips_char_to_class.
320 * config/mips/mips.h (mips_char_to_class): Delete.
321 (REG_CLASS_FROM_LETTER): Delete.
322 (CONST_OK_FOR_LETTER_P): Delete.
323 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
324 (EXTRA_CONSTRAINT_Y): Delete.
325 (EXTRA_CONSTRAINT_STR): Delete.
326 (CONSTRAINT_LEN): Delete.
327 (EXTRA_MEMORY_CONSTRAINT): Delete.
329 2006-03-09 Diego Novillo <dnovillo@redhat.com>
331 * tree-cfg.c (move_block_to_fn): Remove the statements from the
332 original fn's eh regions.
334 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
336 * fold-const.c (build_range_check): Make sure to use a valid type to
337 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
340 (range_predecessor): New static function.
341 (range_successor): Likewise.
342 (merge_ranges): Use them to compute predecessors and successors of
345 2006-03-09 Roger Sayle <roger@eyesopen.com>
348 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
349 X op C3, consider whether C3 overflows towards +Inf or -Inf.
351 2006-03-08 DJ Delorie <dj@redhat.com>
353 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
354 (addpsi3): Expand to include memory operands. Remove
355 reload-specific splits.
356 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
357 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
358 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
359 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
360 (shift1_qi, shift1_hi, insv): New.
361 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
362 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
363 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
365 * config/m32c/m32c-protos.h: Update as needed.
366 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
367 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
368 Fail for unrecognized R* constraints.
369 (m32c_cannot_change_mode_class): Be more picky about pseudos.
370 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
371 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
373 (m32c_init_libfuncs): New.
374 (m32c_legitimate_address_p): Add debug wrapper.
375 (m32c_rtx_costs): New.
376 (m32c_address_cost): New.
377 (conversions): Add 'B' prefix.
378 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
379 operands, or word regnames for QI operands. 'B' prints bit
381 (m32c_expand_setmemhi): New.
382 (m32c_expand_movmemhi): New.
383 (m32c_expand_movstr): New.
384 (m32c_expand_cmpstr): New.
385 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
386 (m32c_expand_neg_mulpsi3): Handle non-ints.
387 (m32c_cmp_flg_0): New.
388 (m32c_expand_movcc): New.
389 (m32c_expand_insv): New.
390 (m32c_scc_pattern): New.
391 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
393 (STORE_FLAG_VALUE): New.
394 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
397 * config/m32c/mov.md: Make constraints more liberal.
398 (zero_extendqihi2): Optimize r0/r1 case.
399 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
400 * config/m32c/predicates.md (m32c_any_operand): New.
401 (m32c_nonimmediate_operand): New.
402 (m32c_hl_operand): New.
403 (m32c_r3_operand): New.
406 (memsym_operand): New.
407 (memimmed_operand): New.
409 (m32c_eqne_operator): New.
410 (m32c_1bit8_operand): New.
411 (m32c_1bit16_operand): New.
412 (m32c_1mask8_operand): New.
413 (m32c_1mask16_operand): New.
414 * config/m32c/blkmov.md: New file.
415 * config/m32c/t-m32c (MD_FILES): Add blkmov.
417 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
419 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
420 unsigned to fix signed/unsigned comparison issue in
421 DWARF2_FRAME_REG_OUT.
422 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
423 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
425 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
426 of ptr into the ENABLE_CHECKING section.
428 2006-03-08 Jeff Law <law@redhat.com>
430 * tree-vrp.c (infer_value_range): Only count pointer uses
431 and dereferences if -fdelete-null-pointer-checks is enabled.
433 * tree-vrp.c (find_assert_locations): Infer value ranges for
434 single use pointers, but do not create ASSERT_EXPRs for them.
435 When a non-null range is inferred for a pointer, backwards
436 propagate that range to other equivalent pointers through the
439 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
442 * Makefile.in (dvi, html, install-info): Invoke the corresponding
443 language hook targets.
444 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
445 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
446 if language hook targets were missing.
448 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
450 * tree-ssa-opfinalize.h: Removed.
451 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
453 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
454 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
455 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
456 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
457 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
458 finalize_ssa_v_must_def_ops): New.
460 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
462 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
465 2006-03-07 Geoffrey Keating <geoffk@apple.com>
467 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
469 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
470 addresses with offsets; reorganize.
472 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
473 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
474 (expand_builtin_init_dwarf_reg_sizes): Likewise.
476 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
479 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
481 2006-03-08 Ben Elliston <bje@au.ibm.com>
483 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
485 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
488 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
491 2006-03-07 Richard Guenther <rguenther@suse.de>
493 PR tree-optimization/26587
494 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
496 2006-03-07 Richard Sandiford <richard@codesourcery.com>
498 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
500 2006-03-07 Richard Sandiford <richard@codesourcery.com>
502 * hooks.c (hook_bool_mode_rtx_true): New function.
503 * hooks.h (hook_bool_mode_rtx_true): Declare.
504 * toplev.c (compile_file): Call output_shared_constant_pool.
505 * varasm.c (shared_constant_pool): New variable.
506 (assemble_start_function, assemble_end_function): Remove arguments
507 from call to output_constant_pool.
508 (create_constant_pool): New function, split out from...
509 (init_varasm_status): ...here.
510 (force_const_mem): Choose between the shared and per-function constant
511 pools. Set current_function_uses_const_pool when reusing old entries
512 as well as when creating new ones.
513 (mark_constant): Ignore data argument.
514 (mark_constants): Remove pool argument.
515 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
516 to decide whether the function uses a constant pool.
517 (output_constant_pool_contents): New function, split out from...
518 (output_constant_pool): ...here.
519 (output_shared_constant_pool): New function.
520 (init_varasm_once): Initialize shared_constant_pool.
521 * output.h (output_constant_pool): Delete.
522 (output_shared_constant_pool): Declare.
523 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
524 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
526 2006-03-06 Nick Clifton <nickc@redhat.com>
528 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
529 flag_strength_reduce.
531 2006-03-06 Ben Elliston <bje@au.ibm.com>
533 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
534 x86_64-*-linux* configurations.
536 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
537 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
539 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
541 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
543 * basic-block.h: Remove the extern for
544 rediscover_loops_after_threading.
546 * cfgloop.c (cancel_loop): Make it static.
547 * cfgloop.h: Remove the prototype for cancel_loop.
549 * flow.c (recompute_reg_usage): Make it static.
550 * rtl.h: Remove the prototype for recompute_reg_usage.
552 * function.c (use_return_register): Make it static.
553 * function.h: Remove the prototype.
555 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
557 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
559 * recog.h: Remove the prototype for
560 validate_change_maybe_volatile.
562 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
564 * rtlanal.c (replace_reg): Remove.
565 * rtl.h: Remove the prototype for replace_reg.
567 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
569 * regclass.c (reg_scan_update): Remove.
570 (reg_scan_mark_refs): Remove the last argument.
571 * rtl.h: Remove the prototype for reg_scan_update.
573 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
575 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
576 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
577 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
578 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
579 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
580 loop-invariant.c, omp-low.c, opts.c, passes.c,
581 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
582 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
583 tree-ssa-structalias.c, tree-ssa-threadedge.c,
584 tree-ssa-threadupdate.c, tree-vect-patterns.c,
585 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
586 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
588 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
590 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
591 * dwarf2out.h: Remove the prototype for
592 dwarf2out_add_library_unit_info.
594 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
596 * tree.c (add_var_to_bind_expr): Remove.
597 * tree.h: Remove the prototype for add_var_to_bind_expr.
599 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
601 * regclass.c (n_non_fixed_regs): Remove.
602 (init_reg_sets_1, globalize_reg): Remove all uses of
604 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
606 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
608 * rtlanal.c (insns_safe_to_move_p): Remove.
609 * rtl.h: Remove the prototype for insns_safe_to_move_p.
611 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
613 * expmed.c (expand_mult_add): Remove.
614 * expr.h: Remove the prototype for expand_mult_add.
616 2006-03-04 Jakub Jelinek <jakub@redhat.com>
618 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
619 and REG_SAVED_VAL_EXP constants.
620 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
621 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
622 Handle regs stored by value.
623 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
624 (execute_cfa_program): Handle DW_CFA_val_offset,
625 DW_CFA_val_offset_sf and DW_CFA_val_expression.
626 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
627 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
628 (uw_install_context_1): Handle target regs stored by value.
630 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
632 * tree-sra.c (tree_sra): Return todoflags;
633 (generate_one_element): Set TODO_update_smt_usage if needed.
634 (pass_sra): Remove TODO_update_smt_usage.
635 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
637 (tree_ssa_forward_propagate_single_use_vars): Return
638 TODO_update_smt_usage if we need to update SMT usage.
639 (pass_forwprop): Remove TODO_update_smt_usage.
641 2006-03-03 Diego Novillo <dnovillo@redhat.com>
643 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
644 (correct_use_link): Remove reference to get_stmt_operands.
645 (update_stmt_operands): Likewise.
646 (get_modify_expr_operands): New function factored out of
647 parse_ssa_operands and get_expr_operands.
648 Try to create V_MUST_DEFs for LHS by default.
649 (get_expr_operands) <case MODIFY_EXPR>: Call
650 get_modify_expr_operands.
651 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
652 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
653 (parse_ssa_operands) <case MODIFY_EXPR>: Call
654 get_modify_expr_operands.
656 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
658 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
659 * tree-flow.h: Remove the prototype for
660 referenced_var_lookup_if_exists.
662 2006-03-03 Steve Ellcey <sje@cup.hp.com>
664 PR rtl-optimization/26345
666 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
668 2006-03-03 Roger Sayle <roger@eyesopen.com>
670 PR tree-optimization/26524
671 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
672 fold_convert to create a constant of the appropriate type.
674 2006-03-03 Richard Sandiford <richard@codesourcery.com>
676 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
677 SYMBOL_REF_IN_BLOCK_P.
678 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
679 of SYMBOL_FLAG_IN_BLOCK.
680 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
681 instead of SYMBOL_REF_IN_BLOCK_P.
682 * explow.c (use_anchored_address): Likewise.
683 * rtl.c (rtx_size): Likewise.
684 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
685 instead of SYMBOL_FLAG_IN_BLOCK.
686 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
687 SYMBOL_REF_IN_BLOCK_P.
688 (assemble_variable): Likewise.
689 (output_constant_def_contents): Likewise.
690 (output_constant_pool): Likewise.
691 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
692 instead of SYMBOL_FLAG_IN_BLOCK.
693 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
694 SYMBOL_REF_IN_BLOCK_P.
695 (SYMBOL_REF_BLOCK): Likewise.
696 (SYMBOL_REF_OFFSET): Likewise.
697 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
698 SYMBOL_REF_IN_BLOCK_P.
699 (SYMBOL_FLAG_IN_BLOCK): Replace with...
700 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
701 (SYMBOL_REF_IN_BLOCK_P): Replace with...
702 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
704 2006-03-03 Jakub Jelinek <jakub@redhat.com>
706 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
708 2006-03-02 Roger Sayle <roger@eyesopen.com>
710 * simplify-rtx.c (simplify_unary_operation): When simplifying
711 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
712 that we perform the right shift in the appropriate mode, and
713 then extend or truncate the result to requested mode.
715 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
717 * gengtype.c (main): Handle double_int type.
718 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
719 * double-int.c: New file.
720 * double-int.h: New file.
721 * system.h: Include doubleint.h.
722 * Makefile.in (SYSTEM_H): Include double-int.h.
725 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
728 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
731 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
733 * tree-vrp.c (remove_range_assertions): Do not update statements
736 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
738 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
740 * gcse.c (rest_of_handle_gcse): Ditto.
741 * except.c (gate_handle_eh): Ditto.
742 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
743 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
745 2006-03-02 Eric Christopher <echristo@apple.com>
747 * config/i386/i386.c (machopic_output_stub): Add indirection to
750 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
754 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
756 Sun Niagara specific optimizations.
757 * config.gcc: Recognize niagara as target.
758 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
759 (TARGET_CPU_niagara): Define.
760 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
761 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
762 (CPP_CPU_SPEC): Handle -mcpu=niagara.
763 (ASM_CPU_SPEC): Likewise.
764 (PROCESSOR_NIAGARA): New enum entry.
765 (REGISTER_MOVE_COST): Handle Niagara.
766 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
767 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
768 (sparc_override_options): Recognize "niagara", set appropriate
769 default MASK_* values for it, and align functions to 32-bytes
770 by default just like ULTRASPARC/ULTRASPARC3.
771 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
772 (sparc64_initialize_trampoline): Likewise.
773 (sparc_use_sched_lookahead): Use zero for niagara.
774 (sparc_issue_rate): Use one for niagara.
775 * config/sparc/niagara.md: New file.
776 * config/sparc/sparc.md: Include it.
777 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
778 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
779 when default cpu is niagara.
780 (CPP_CPU_SPEC): Handle -mcpu=niagara.
781 (ASM_CPU_SPEC): Likewise.
782 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
783 when default cpu is niagara.
784 (ASM_CPU_SPEC): Handle -mcpu=niagara.
785 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
786 just like v9/ultrasparc/ultrasparc3.
787 * doc/invoke.texi: Add documentation for "niagara" and improve
788 existing documentation for ultrasparc variants.
790 2006-03-02 Diego Novillo <dnovillo@redhat.com>
792 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
794 2006-03-02 Richard Sandiford <richard@codesourcery.com>
796 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
797 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
798 and say that only one is needed.
799 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
800 * target.h (have_switchable_bss_sections): New hook.
801 * explow.c (use_anchored_address): Check that the symbol is in a block.
802 * varasm.c (tls_comm_section, comm_section, lcomm_section)
803 (bss_noswitch_section): New variables.
804 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
805 (get_noswitch_section): New function.
806 (get_block_for_section): Allow SECT to be null.
807 (unlikely_text_section_p): Use SECTION_STYLE.
808 (bss_initializer_p): New function.
809 (get_variable_section): Move earlier in file. Take a new argument,
810 prefer_noswitch_p. Move bss checks from assemble_variable to here.
811 Return one of the new *_sections in such cases.
812 (get_block_for_decl): New function, extracting some logic from
813 use_blocks_for_decl_p.
814 (change_symbol_section): Remove in favor of...
815 (change_symbol_block): ...this new function.
816 (use_blocks_for_decl_p): Remove checks now performed by
818 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
819 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
820 (emit_local, emit_bss, emit_common): ...these new functions.
821 Return true if the alignment was honored.
822 (emit_tls_common): New function.
823 (asm_emit_uninitialised): Delete.
824 (assemble_variable_noswitch): New function, split out from...
825 (assemble_variable): ...here. Don't make decisions about common
826 variables here. Globalize all public decls that go into non-common
827 sections. Check whether SYMBOL_REF_BLOCK is null.
828 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
829 (output_constant_pool): Likewise.
830 (init_varasm_once): Initialize the new section variables.
831 (have_global_bss_p): New function.
832 (categorize_decl_for_section): Use bss_initializer_p.
833 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
834 (place_block_symbol): Assert that the symbol must be in a block.
835 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
836 (TARGET_INITIALIZER): Include it.
837 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
838 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
839 (SECTION_MACH_DEP): Bump by two.
840 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
841 (unnamed_section): Mention SECTION_UNNAMED in comment.
842 (named_section): Likewise SECTION_NAMED.
843 (noswitch_section_callback): New type.
844 (noswitch_section): New structure.
845 (section): Add a noswitch_section alternative.
846 (SECTION_STYLE): New macro.
847 (tls_comm_section, comm_section, lcomm_section): Declare.
848 (bss_noswitch_section, have_global_bss_p): Declare.
849 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
850 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
852 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
853 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
856 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
858 * gcc/tree-vrp.c (execute_vrp): Return value.
859 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
860 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
861 * gcc/tree-complex.c (tree_lower_complex): Ditto.
862 (tree_lower_complex_O0): Ditto.
863 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
864 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
865 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
866 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
867 (execute_tail_calls): Ditto.
868 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
869 * gcc/tree.h (init_function_for_compilation): Ditto.
870 * gcc/ipa-cp.c (ipcp_driver): Ditto.
871 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
872 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
873 * gcc/final.c (compute_alignments): Ditto.
874 (rest_of_handle_final): Ditto.
875 (rest_of_handle_shorten_branches): Ditto.
876 (rest_of_clean_state): Ditto.
877 * gcc/omp-low.c (execute_expand_omp): Ditto.
878 (execute_lower_omp): Ditto.
879 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
880 * gcc/ipa-reference.c (static_execute): Ditto.
881 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
882 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
883 (rest_of_handle_machine_reorg): Ditto.
884 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
885 * gcc/flow.c (recompute_reg_usage): Ditto.
886 (rest_of_handle_remove_death_notes): Ditto.
887 (rest_of_handle_life): Ditto.
888 (rest_of_handle_flow2): Ditto.
889 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
890 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
891 (do_ssa_store_ccp): Ditto.
892 (execute_fold_all_builtins): Ditto.
893 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
894 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
895 * gcc/ipa-pure-const.c (static_execute): Ditto.
896 * gcc/cse.c (rest_of_handle_cse): Ditto.
897 (rest_of_handle_cse2): Ditto.
898 * gcc/web.c (rest_of_handle_web): Ditto.
899 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
900 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
901 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
902 * gcc/tree-nrv.c (tree_nrv): Ditto.
903 (execute_return_slot_opt): Ditto.
904 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
905 (create_structure_vars): Ditto.
906 * gcc/loop-init.c (rtl_loop_init): Ditto.
907 (rtl_loop_done): Ditto.
908 (rtl_move_loop_invariants): Ditto.
909 (rtl_unswitch): Ditto.
910 (rtl_unroll_and_peel_loops): Ditto.
912 * gcc/gimple-low.c (lower_function_body): Ditto.
913 (mark_used_blocks): Ditto.
914 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
915 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
916 (cgraph_early_inlining): Ditto.
917 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
918 * gcc/jump.c (cleanup_barriers): Ditto.
919 (purge_line_number_notes): Ditto.
920 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
921 (rest_of_handle_if_after_reload): Ditto.
922 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
923 (tree_ssa_loop_im): Ditto.
924 (tree_ssa_loop_unswitch): Ditto.
925 (tree_vectorize): Ditto.
926 (tree_linear_transform): Ditto.
927 (tree_ssa_loop_ivcanon): Ditto.
928 (tree_ssa_empty_loop): Ditto.
929 (tree_ssa_loop_bounds): Ditto.
930 (tree_complete_unroll): Ditto.
931 (tree_ssa_loop_prefetch): Ditto.
932 (tree_ssa_loop_ivopts): Ditto.
933 (tree_ssa_loop_done): Ditto.
934 * gcc/predict.c (tree_estimate_probability): Ditto.
935 * gcc/recog.c (split_all_insns_noflow): Ditto.
936 (rest_of_handle_peephole2): Ditto.
937 (rest_of_handle_split_all_insns): Ditto.
938 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
939 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
940 (rest_of_handle_stack_adjustments): Ditto.
941 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
942 * gcc/function.c (instantiate_virtual_regs): Ditto.
943 (init_function_for_compilation): Ditto.
944 (rest_of_handle_check_leaf_regs): Ditto.
945 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
946 (rest_of_handle_gcse): Ditto.
947 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
948 * gcc/alias.c (rest_of_handle_cfg): Ditto.
949 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
950 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
951 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
952 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
953 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
954 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
955 * gcc/except.c (set_nothrow_function_flags): Ditto.
956 (convert_to_eh_region_ranges): Ditto.
957 (rest_of_handle_eh): Ditto.
958 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
959 (remove_unnecessary_notes): Ditto.
960 * gcc/except.h (set_nothrow_function_flags): Ditto.
961 (convert_to_eh_region_ranges): Ditto.
962 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
963 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
964 * gcc/tree-ssa-pre.c (do_pre): Ditto.
965 (execute_fre): Ditto.
966 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
967 (rest_of_handle_jump2): Ditto.
968 * gcc/tree-sra.c (tree_sra): Ditto.
969 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
970 (execute_mudflap_function_decls): Ditto.
971 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
972 (do_store_copy_prop): Ditto.
973 * gcc/ipa-prop.h (ipcp_driver): Ditto.
974 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
975 * gcc/tree-ssa-forwprop.c
976 (tree_ssa_forward_propagate_single_use_vars): Ditto.
977 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
978 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
979 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
980 (execute_late_warn_uninitialized): Ditto.
981 * gcc/rtl.h (cleanup_barriers): Ditto.
982 (split_all_insns_noflow): Ditto.
983 (purge_line_number_notes): Ditto.
984 (unshare_all_rtl): Ditto.
985 (remove_unnecessary_notes): Ditto.
986 (recompute_reg_usage): Ditto.
987 (variable_tracking_main): Ditto.
988 * gcc/integrate.c (emit_initial_value_sets): Ditto.
989 * gcc/integrate.h (emit_initial_value_sets): Ditto.
990 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
991 (execute_free_cfg_annotations): Ditto.
992 (execute_fixup_cfg): Ditto.
993 (execute_cleanup_cfg_pre_ipa): Ditto.
994 (execute_cleanup_cfg_post_optimizing): Ditto.
995 (execute_init_datastructures): Ditto.
996 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
997 * gcc/combine.c (rest_of_handle_combine): Ditto.
998 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
999 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
1000 (rest_of_handle_reorder_blocks): Ditto.
1001 (rest_of_handle_partition_blocks): Ditto.
1002 * gcc/var-tracking.c (variable_tracking_main): Ditto.
1003 * gcc/tree-profile.c (tree_profiling): Ditto.
1004 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
1005 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
1006 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
1007 (rest_of_handle_sched2): Ditto.
1008 * gcc/basic-block.h (free_bb_insn): Ditto.
1009 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
1010 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
1011 (remove_useless_stmts): Ditto.
1012 (split_critical_edges): Ditto.
1013 (execute_warn_function_return): Ditto.
1014 (execute_warn_function_noreturn): Ditto.
1015 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
1016 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
1017 * gcc/passes.c (execute_one_pass): Run additional
1018 todos returned by execute function.
1019 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
1022 2006-03-02 Richard Guenther <rguenther@suse.de>
1024 * tree-ssa-alias.c (find_used_portions): Consider taking
1025 the address as making the variable not write-only.
1027 2006-03-02 Nick Clifton <nickc@redhat.com>
1029 * config.gcc (default_use_cxa_atexit): Extend the description of
1030 this configure variable. Set its default value to "yes" for
1031 Linux, NetBSD and ELF targets on the assumption that they will
1032 use C libraries with the __cxa_atexit function.
1034 2006-03-02 Ben Elliston <bje@au.ibm.com>
1036 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
1037 parameter as unused to suppress a build warning.
1039 2006-03-02 Ben Elliston <bje@au.ibm.com>
1041 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
1044 2006-03-01 Roger Sayle <roger@eyesopen.com>
1047 * gthr-posix.h (__gthrw2): Define to take three parameters, the
1048 declared name, the weak reference name, and the typeof name.
1049 (__gthrw): Avoid expanding the declared name suffix.
1050 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
1052 2006-03-01 Jakub Jelinek <jakub@redhat.com>
1054 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
1056 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
1057 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
1058 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
1059 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
1060 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
1061 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
1062 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
1063 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
1064 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
1065 DW_DS_leading_separate, DW_DS_trailing_separate): New.
1066 (DW_END_default, DW_END_big, DW_END_little): New.
1067 (DW_END_lo_user, DW_END_hi_user): Define.
1068 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
1069 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
1070 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
1073 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1075 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
1077 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
1079 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
1081 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
1083 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
1084 to 'symbol_mem_tag'.
1086 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
1089 2006-03-01 Roger Sayle <roger@eyesopen.com>
1091 * builtins.c (fold_builtin_copysign): Delete unreachable code.
1093 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1096 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
1097 MACHO_DYNAMIC_NO_PIC_P.
1098 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
1100 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1103 * config/darwin-protos.h (darwin_asm_output_anchor):
1105 * config/darwin-sections.def (cstring_section):
1106 Add SECTION_MERGE to the flags.
1107 (literal4_section): Likewise.
1108 (literal8_section): Likewise.
1109 (objc_selector_refs_section): Likewise.
1110 (objc_cls_refs_section): Likewise.
1111 * config/darwin.c (darwin_asm_output_anchor): New
1113 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1115 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
1117 Fix PR tree-optimization/26443
1118 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
1119 to todo and PROP_tmt_usage to properties_destroyed.
1120 * tree-ssa-ccp.c (pass_ccp): Ditto.
1121 (pass_store_ccp): Ditto.
1122 * tree-ssa-dom.c (pass_dominator): Ditto.
1124 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1126 * tree-ssa-operands.c: Cleanup whitespace.
1127 (get_asm_expr_operands): Move before first invocation.
1128 (get_indirect_ref_operands): Likewise.
1129 (get_tmr_operands): Likewise.
1130 (get_call_expr_operands): Likewise.
1131 (append_def): Likewise.
1132 (append_use): Likewise.
1133 (append_v_may_def): Likewise.
1134 (append_v_must_def): Likewise.
1135 (add_call_clobber_ops): Likewise.
1136 (add_call_read_ops): Likewise.
1137 (add_stmt_operand): Likewise.
1138 (add_virtual_operand): Likewise.
1139 (build_ssa_operands): Likewise.
1141 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1146 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1147 with a call expr to ...
1148 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1150 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1152 * tree-vrp.c (extract_range_from_assert): Remove special
1153 handling for types with super-types.
1155 2006-03-01 Ben Elliston <bje@au.ibm.com>
1157 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
1158 and powerpc64-*-linux* configurations.
1159 * config/t-dfprules: New file.
1161 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
1162 Compile dfp-bit.c from the source directory using -DWIDTH and
1163 $DFP_CFLAGS to control the compilation of that file, rather than
1164 generating width-specific versions in the build directory.
1165 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
1166 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
1168 2006-02-28 Zack Weinberg <zackw@panix.com>
1170 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
1173 2006-02-28 Eric Christopher <echristo@apple.com>
1175 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
1176 Set up IN_LIBGCC definition of TARGET_64BIT.
1177 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
1179 2006-02-28 Roger Sayle <roger@eyesopen.com>
1182 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
1183 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
1184 cases via the construction of "expr != 0".
1186 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1188 * alias.c (alias_invariant, alias_invariant_size): Remove.
1189 (record_base_value): Remove.
1190 (memrefs_conflict_p): Don't look at alias_invariant.
1191 (end_alias_analysis): Don't free it.
1192 * alias.h (record_base_value): Remove prototype.
1194 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
1195 Adam Nemet <anemet@caviumnetworks.com>
1197 * rtl.h (truncated_to_mode): Declare it.
1198 (struct rtl_hooks): Add reg_truncated_to_mode hook.
1199 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
1200 (RTL_HOOKS_INITIALIZER): Include it.
1201 * rtlhooks.c (reg_truncated_to_mode_general): New function.
1202 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
1203 reg_truncated_to_mode.
1204 * rtlanal.c (truncated_to_mode): Define it.
1205 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1207 2006-02-28 Jeff Law <law@redhat.com>
1209 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
1210 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
1211 the range allowed by TYPE_PRECISION.
1213 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
1215 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
1217 PR tree-optimization/26419
1218 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
1221 2006-02-27 Zack Weinberg <zackw@panix.com>
1223 * doc/md.texi: Fix typo in previous change.
1225 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
1229 2006-02-27 Zack Weinberg <zackw@panix.com>
1231 * rtl.def (define_constraint, define_register_constraint)
1232 (define_memory_constraint, define_address_constraint): New MD forms.
1233 * gensupport.c (process_rtx): Put define_constraint etc on the
1235 * genpreds.c (process_define_predicate): Adjust comment. Validate
1236 the name, and call validate_exp to validate the expression.
1237 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1238 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1239 all callers changed.
1240 (validate_exp, needs_variable, struct constraint_data)
1241 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1242 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1243 (const_dbl_constraints, constraint_max_namelen)
1244 (have_register_constraints, have_memory_constraints)
1245 (have_address_constraints, have_address_constraints)
1246 (have_extra_constraints, have_const_int_constraints)
1247 (have_const_dbl_constraints, mangle, add_constraint)
1248 (process_define_constraint, process_define_register_constraint)
1249 (write_enum_constraint_num, write_lookup_constraint)
1250 (write_insn_constraint_len, write_regclass_for_constraint)
1251 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1252 (write_insn_extra_memory_constraint)
1253 (write_insn_extra_address_constraint)
1254 (write_satisfies_constraint_fns): New.
1255 (write_tm_preds_h): If we have new-style constraint definitions,
1256 prototype the functions generated from them, and define the
1257 old constraint interface (still used by generic code) in terms of
1259 (write_insn_preds_c): If we have new-style constraint definitions,
1260 generate all relevant functions from those definitions.
1261 (main): Handle define_constraint etc.
1262 * genoutput.c (struct constraint_data, indep_constraints)
1263 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1264 (mdep_constraint_len): New data structures and functions, defined
1265 #ifdef USE_MD_CONSTRAINTS.
1266 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1267 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1268 use new logic to validate operand constraints against constraint
1270 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1272 * defaults.h: If none of the old-style constraint macros are
1273 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1274 old-style macros; and poison REG_CLASS_FROM_LETTER,
1275 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1277 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1278 * doc/md.texi: Document new constraint-definition mechanism and the
1279 C interface it provides. Remove references to old mechanism
1280 elsewhere in the document.
1281 (Machine Constraints): Use pathnames relative to gcc directory,
1282 i.e. config/ARCH/FILE. Change i386 section to refer to
1283 config/i386/predicates.md; update that section to match docstrings.
1284 * doc/tm.texi: Move all documentation of the old constraint-
1285 definition macros to their own section, clearly mark as obsolete.
1287 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1288 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1290 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1291 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1292 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1294 (splits and peepholes): Use satisfies_constraint_*.
1295 * config/i386/i386.c (memory_address_length)
1296 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1298 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1300 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1301 scalar operation to be put back into the loop.
1303 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1306 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1307 (extract_cie_info): Handle S flag in augmentation string.
1308 (execute_cfa_program): If context->signal_frame, execute also
1309 fs->pc == context->ra instructions.
1310 (uw_frame_state_for): If context->signal_frame, don't subtract one
1311 from context->ra to find FDE.
1312 (uw_update_context_1): Set context->signal_frame to
1314 (_Unwind_GetIPInfo): New function.
1315 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1316 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1318 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1319 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1320 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1321 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1322 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1323 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1324 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1325 x86_64_fallback_frame_state): Set fs->signal_frame.
1326 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1327 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1328 (frob_update_context): Likewise. Workaround missing S flag in
1329 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1330 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1331 Remove the psw_addr + 1 hack.
1333 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1335 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1336 with aggregates here.
1337 (find_func_aliases): Remove code for &<aggregate> from here.
1339 2006-02-26 Roger Sayle <roger@eyesopen.com>
1341 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1342 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1343 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1346 2006-02-26 Roger Sayle <roger@eyesopen.com>
1349 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1351 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1353 * opts.c (decode_options): Do not handle flag_strength_reduce.
1354 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1355 and OPT_fstrength_reduce.
1356 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1357 flag_prefetch_loop_arrays for being nonzero.
1358 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1360 (fprefetch-loop-arrays-rtl): Removed.
1361 (flag_prefetch_loop_arrays): Do not specify the value.
1363 * doc/passes.texi: Update documentation of loop optimizer
1365 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1366 -frerun-loop-opt): Remove.
1368 2006-02-26 Richard Guenther <rguenther@suse.de>
1370 PR tree-optimization/26421
1371 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1372 in function calls that are ADDR_EXPRs as using the whole structure.
1374 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1376 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1377 * tree-pass.h (pass_loop_optimize): Remove.
1378 * passes.c (pass_loop_optimize): Never run it.
1379 * toplev.c (backend_init): Don't call init_loop.
1380 * opts.c (flag_loop_optimize_set): Remove.
1381 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1382 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1383 the old RTL loop optimizer when profiling enabled.
1384 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1385 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1386 pre-headers for the sake of the old RTL loop optimizer.
1387 * Makefile.in: Remove all references to loop.o.
1389 * doc/invoke.texi: Remove all references to -floop-optimize
1390 and -frerun-loop-opt.
1392 2006-02-26 Zack Weinberg <zackw@panix.com>
1394 * doc/md.texi (Machine Constraints): Refer to all files with paths
1395 relative to gcc directory (i.e. config/CPU/file). Add missing
1396 @table @code ... @end table to M32C subsection.
1398 2006-02-26 Roger Sayle <roger@eyesopen.com>
1400 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1402 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1404 2006-02-26 Roger Sayle <roger@eyesopen.com>
1405 James A. Morrison <phython@gcc.gnu.org>
1408 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1409 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1410 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1411 signedness of the shift operation.
1413 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1415 PR tree-optimization/26359
1416 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1418 2006-02-25 Roger Sayle <roger@eyesopen.com>
1420 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1421 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1422 as X == 0, and some symmetry related transformations.
1423 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1425 2006-02-25 Roger Sayle <roger@eyesopen.com>
1428 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1429 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1430 symmetry related transformations. Fold (X^C1) == C2 as
1433 2006-02-25 Juergen Weigert <jw@suse.de>
1434 Richard Guenther <rguenther@suse.de>
1436 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1438 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1440 * combine.c (gen_lowpart_or_truncate): Call
1441 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1443 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1445 * doc/invoke.texi: Move -fopenmp description to "Options for
1447 Remove reference to -lgomp.
1449 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1451 * doc/install.texi: Require GNU tar version 1.14.
1453 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1455 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1456 * doc/invoke.texi (C++ Dialect Options): Document
1457 -fno-use-cxa-get-exception-ptr.
1458 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1459 * configure: Regenerate.
1460 * c.opt (fuse-cxa-get-exception-ptr): New.
1461 * c-opts.c (c_common_handle_option): Handle
1462 OPT_fuse_cxa_get_exception_ptr.
1463 * c-common.c (flag_use_cxa_atexit): Update documentation.
1464 (flag_use_cxa_get_exception_ptr): New.
1465 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1466 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1468 (C_COMMON_OVERRIDE_OPTIONS): New.
1470 2006-02-24 Roger Sayle <roger@eyesopen.com>
1473 * combine.c (try_combine): Explicitly check whether GET_CODE is
1474 a SET or a CLOBBER, instead on checking that it isn't a USE.
1476 2006-02-24 Roger Sayle <roger@eyesopen.com>
1478 * fold-const.c (fold_comparison): New subroutine of fold_binary
1479 containing transformations common to both the equality and
1480 ordering relational operators, factored out of fold_binary.
1481 (fold_binary): Separate out the equality operators (EQ_EXPR
1482 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1483 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1484 transformations common to both.
1485 (fold_div_compare): Fix latent bugs in the previously unreachable
1486 LT_EXPR and GE_EXPR cases.
1488 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1490 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1491 decl libname for clog to __clog on AIX.
1493 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1495 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1498 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1499 output traceback table for thunks. Localise rs6000_stack_info call.
1501 2006-02-23 Roger Sayle <roger@eyesopen.com>
1502 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1504 * gthr-posix.h (__gthrw): Fix typo in comment.
1506 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1508 * doc/cpp.texi (Character sets): Document that we do support
1509 input files to be in any character set.
1511 2006-02-23 Jeff Law <law@redhat.com>
1513 * tree.h (PHI_ARG_NONZERO): Remove.
1514 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1515 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1516 node to the new node.
1518 PR tree-optimization/26425
1519 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1520 min/max, then assume its varying.
1522 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1524 PR rtl-optimization/26316
1525 * rtlanal.c (enum may_trap_p_flags): New.
1526 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1527 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1528 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1529 (may_trap_after_code_motion_p): New function.
1530 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1531 (find_invariant_insn): Use may_trap_after_code_motion_p.
1532 * rtl.h (may_trap_after_code_motion_p): Declare.
1534 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1536 * emit-rtl.c (immed_double_const): Cleanup.
1538 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1540 Fix PR tree-optimization/26376
1541 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1544 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1547 * gimplify.c (omp_add_variable): Guard variable size decl test with
1548 DECL_SIZE (decl) check.
1550 2006-02-23 Richard Guenther <rguenther@suse.de>
1553 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1554 like aggregate types.
1556 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1558 * configure.ac: Add --with{,out}-long-double-128 configure option.
1559 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1560 * configure: Rebuilt.
1561 * config.in: Rebuilt.
1562 * doc/install.texi (Options specification): Document
1563 --with-long-double-128.
1565 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1566 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1567 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1568 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1570 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1572 * config/s390/s390.c (override_options): Handle
1573 TARGET_DEFAULT_LONG_DOUBLE_128.
1575 * config/alpha/alpha.c (override_options): Handle
1576 TARGET_DEFAULT_LONG_DOUBLE_128.
1578 * config/sparc/sparc.c (sparc_override_options): Handle
1579 TARGET_DEFAULT_LONG_DOUBLE_128.
1581 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1583 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1584 (real-install-headers-tar, real-install-headers-cpio)
1585 (real-install-headers-cp): New targets.
1587 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1589 * tree.h (variable_section): Delete.
1590 * varasm.c (variable_section): Delete.
1592 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1594 * install.texi: Add notes on install.texi2html.
1595 (Building in parallel): Do not use footnotes.
1597 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1600 * doc/install.texi (Configuration): Document --disable-libgomp.
1602 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1604 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1606 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1608 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1609 (vec_extractv2df_0_sse): New.
1611 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1613 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1614 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1615 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1616 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1617 to the result of the expression.
1618 (def_cfa_1): Adjust.
1619 (frame_pointer_cfa_offset): Rename to...
1620 (frame_pointer_fb_offset): ... this. Adjust all uses.
1621 (convert_cfa_to_loc_list): Rename to...
1622 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1623 Pass it on to build_cfa_loc.
1624 (compute_frame_pointer_to_cfa_displacement): Rename to...
1625 (compute_frame_pointer_to_fb_displacement): ... this. New
1626 offset parameter. Use it in computation.
1627 (gen_subprogram_die): Compute cfa_fb_offset with the new
1628 macro, and use it to compute the fb loc list and the
1631 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1633 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1634 replaced with register_operand.
1635 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1636 non-DREG is expensive.
1637 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1638 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1641 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1643 * doc/install.texi2html: Use set -e.
1645 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1647 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1648 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1649 * doc/invoke.texi (-fshared-data): Delete.
1650 * common.opt (fshared-data): Delete.
1651 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1652 (assemble_static_space): Remove #if 0 code.
1653 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1654 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1655 * config/cris/cris.h: Remove FIXME.
1657 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1659 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1662 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1665 * combine.c (simplify_shift_const_1): Disable nested shifts
1666 optimization for vector shifts.
1668 2006-02-20 Roger Sayle <roger@eyesopen.com>
1670 PR tree-optimization/26361
1671 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1672 of unsigned integer types.
1674 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1676 * tree-chrec.c (eq_evolutions_p): New.
1677 * tree-chrec.h (eq_evolutions_p): Declared.
1678 * tree-data-ref.c: Fix formatting.
1679 (datadep_stats, dependence_stats): New.
1681 (print_direction_vector): New.
1682 (dump_data_dependence_relation): Use print_direction_vector.
1683 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1684 (compute_subscript_distance): Static.
1685 (initialize_data_dependence_relation): Static. Get the number
1686 of loops surrounding the references from the callers, and initialize
1687 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1688 base_object_differ_p analyzers.
1689 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1690 compute_overlap_steps_for_affine_1_2,
1691 analyze_subscript_affine_affine): Count the classified dependences.
1692 Print a message when a test failed.
1693 (can_use_analyze_subscript_affine_affine): New.
1694 (analyze_siv_subscript): Compute the data dependences on symbolic
1695 scevs that verify can_use_analyze_subscript_affine_affine.
1696 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1697 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1698 Handle symbolic scevs.
1699 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1701 (subscript_dependence_tester): Moved...
1702 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1703 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1704 DDR_SIZE_VECT instead of getting it in parameter.
1705 (subscript_dependence_tester): ... here. Take as a parameter
1706 loop_nest_depth. Call build_classic_dist_vector and
1707 build_classic_dir_vector.
1708 (compute_affine_dependence): Update subscript_dependence_tester
1709 parameters. Update datadep_stats counters. Call
1710 compute_subscript_distance.
1711 (compute_self_dependence): Save the dist and dir vectors. Call
1712 compute_subscript_distance.
1713 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1714 (compute_all_dependences): Reorder parameters as they were before
1715 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1716 compute_subscript_distance. Update the use of
1717 compute_affine_dependence and initialize_data_dependence_relation.
1718 (find_data_references_in_loop): Handle COMPONENT_REF.
1719 (compute_data_dependences_for_loop): Initialize dependence_stats.
1720 Don't call build_classic_dist_vector and build_classic_dir_vector.
1721 Update the parameters of initialize_data_dependence_relation and
1722 compute_all_dependences. Print the statistics from datadep_stats.
1723 (analyze_all_data_dependences): Static. Not used until the pass for
1724 checking the data dependences is contributed.
1725 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1726 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1727 (initialize_data_dependence_relation, compute_affine_dependence,
1728 analyze_all_data_dependences, compute_subscript_distance): Removed.
1729 (print_direction_vector): New.
1730 * lambda.h (gcd): ... here.
1731 (lambda_vector_gcd): Moved here from gcd_vector.
1732 * lambda-code.c (gcd, gcd_vector): Removed.
1733 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1734 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1736 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1738 * ipa-type-escape.c: Tidy some comments and white space.
1739 * tree-ssa-operands.c: Likewise.
1741 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1744 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1745 (dump_decl_name): Do not walk the decl tree chains.
1746 * tree-pass.h (TDF_CHAIN): Remove.
1748 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1750 * Makefile.in (C): Remove
1752 (.PHONY): Remove C and PROTO
1754 2006-02-20 Roger Sayle <roger@eyesopen.com>
1757 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1758 deprecated CHAR_TYPE tree code.
1760 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1762 * configure.ac (target_list): Add install-info, dvi, html.
1763 * configure: Regenerate.
1765 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1766 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1767 treelang/Make-lang.in: Do not use double-colon rules.
1769 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1771 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1772 (TMT_USED_ALONE): New macro.
1773 * tree-pass.h (PROP_tmt_usage): New property.
1774 (TODO_update_tmt_usage): New todo.
1775 * tree-ssa-alias.c (updating_used_alone): New variable.
1776 (recalculate_used_alone): New function.
1777 (compute_may_aliases): Set updating_used_alone, call
1778 recalculate_used_alone.
1779 * tree-sra.c (pass_sra): Note that this pass destroys
1780 PROP_tmt_usage, and add TODO_update_tmt_usage.
1781 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1782 * tree-flow.h (updating_used_alone): Prototype.
1783 (recalculate_used_alone): Ditto.
1784 * passes.c (execute_todo): Add code to set updating_used_alone,
1785 and call recalculate.
1786 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1787 for clobber if used alone, and add assert to verify used_alone
1790 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1792 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1793 for non tls symbols added.
1794 (legitimize_address): Do nothing for PLUS expressions if one of the
1795 addends is a tls symbol reference.
1797 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1801 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1803 * Makefile.in (BOOTSTRAPPING): New.
1804 (quickstrap): New definition if BOOTSTRAPPING=yes.
1806 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1807 * configure.ac: Substitute all_selected_languages with the languages
1808 that were configured. For all the other variables except
1809 lang_specs_files, include all the languages in the tree.
1810 * configure: Regenerate.
1812 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1813 if there is one. Run the commands to run fixincludes in the same
1816 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1817 * doc/install.texi: Document exact conventions for searching target tools.
1818 Document --with-build-time-tools. Document toplevel bootstrap. Document
1819 something more about building an Ada cross-compiler. Don't list GNU Make
1820 requirements which affect all platforms.
1822 2006-02-19 Roger Sayle <roger@eyesopen.com>
1825 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1826 only equivalent if the have both the same mode and precision.
1828 2006-02-20 Ben Elliston <bje@au.ibm.com>
1830 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1832 2006-02-19 Roger Sayle <roger@eyesopen.com>
1833 Steven Bosscher <stevenb.gcc@gmail.com>
1835 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1836 constant pool references to identify stack mode constants.
1837 * rtlanal.c (constant_pool_constant_p): New predicate to check
1838 whether operand is a floating point constant in the pool.
1839 * rtl.h (constant_pool_constant_p): Prototype here.
1840 * loop.c (scan_loop): Avoid hoisting constants from the constant
1841 pool on STACK_REGS targets.
1842 (load_mems): Likewise.
1843 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1844 loads into x87 registers expensive in terms of register pressure.
1846 2006-02-19 Roger Sayle <roger@eyesopen.com>
1848 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1849 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1851 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1853 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1854 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1856 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1858 * doc/invoke.texi: Document -fipa-pta.
1859 * common.opt: Add ipa-pta option.
1860 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1861 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1862 (do_ds_constraint): Ditto.
1863 (get_constraint_for): Only add to referenced_vars if
1864 referenced_vars exists.
1865 (insert_into_field_list): Rewrite to do this unsorted.
1866 (insert_into_field_list_sorted): Rename old insert_into_field_list
1868 (create_function_info_for): Use insert_into_field_list_sorted.
1869 (create_variable_info_for): Rewrite so it uses unsorted version,
1870 since the field list is sorted.
1871 (intra_create_variable_infos): Only add to referenced_vars if
1872 referenced_vars exists.
1873 (ipa_pta_execute): Init heapvars, and delete when done.
1874 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1876 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1878 * doc/install.texi: Add missing `@samp'.
1880 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1882 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1885 2006-02-18 Mark Wielaard <mark@klomp.org>
1887 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1888 who added new 4.1 features, bug fixes and integration support.
1890 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1893 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1896 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1898 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1899 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1900 (copy_insn_1): Likewise. Don't copy each field individually.
1902 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1904 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1905 * rtl.c (rtx_size): Rename variable to...
1906 (rtx_code_size): ...this.
1907 (rtx_size): New function.
1908 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1909 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1911 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1912 * rtl.h (rtx_code_size): New variable.
1913 (rtx_size): Change from a variable to a function.
1914 (RTX_SIZE): Rename to...
1915 (RTX_CODE_SIZE): ...this.
1918 PR tree-optimization/17106
1919 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1920 (Anchored Addresses): New section.
1921 * doc/invoke.texi (-fsection-anchors): Document.
1922 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1923 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1924 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1925 * hooks.c (hook_bool_mode_rtx_false): New function.
1926 * hooks.h (hook_bool_mode_rtx_false): Declare.
1927 * gengtype.c (create_optional_field): New function.
1928 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1929 SYMBOL_REF_IN_BLOCK_P is true.
1930 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1931 (min_anchor_offset, max_anchor_offset): Likewise.
1932 (use_anchors_for_symbol_p): New hook.
1933 * toplev.c (compile_file): Call output_object_blocks.
1934 (target_supports_section_anchors_p): New function.
1935 (process_options): Check that -fsection-anchors is only used on
1936 targets that support it and when -funit-at-a-time is in effect.
1937 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1938 if the decl doesn't have one.
1939 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1940 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1941 of force_const_mem through use_anchored_address.
1942 (expand_expr_constant): New function.
1943 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1944 calling expand_expr for INDIRECT_REF.
1945 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1946 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1947 * expr.h (use_anchored_address): Declare.
1948 * loop-unroll.c: Don't declare rtx vectors here.
1949 * explow.c: Include output.h.
1950 (validize_mem): Call use_anchored_address.
1951 (use_anchored_address): New function.
1952 * common.opt (-fsection-anchors): New switch.
1953 * varasm.c (object_block_htab, anchor_labelno): New variables.
1954 (hash_section, object_block_entry_eq, object_block_entry_hash)
1955 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1956 (use_blocks_for_decl_p, change_symbol_section): New functions.
1957 (get_variable_section): New function, split out from assemble_variable.
1958 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1959 use_blocks_for_decl_p say so. Use change_symbol_section if the
1960 symbol has already been created.
1961 (assemble_variable_contents): New function, split out from...
1962 (assemble_variable): ...here. Don't output any code for
1963 block symbols; just pass them to place_block_symbol.
1964 Use get_variable_section and assemble_variable_contents.
1965 (get_constant_alignment, get_constant_section, get_constant_size): New
1966 functions, split from output_constant_def_contents.
1967 (build_constant_desc): Create a block symbol if use_object_blocks_p
1968 says so. Or into SYMBOL_REF_FLAGS.
1969 (assemble_constant_contents): New function, split from...
1970 (output_constant_def_contents): ...here. Don't output any code
1971 for block symbols; just pass them to place_section_symbol.
1972 Use get_constant_section and get_constant_alignment.
1973 (force_const_mem): Create a block symbol if use_object_blocks_p and
1974 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1975 (output_constant_pool_1): Add an explicit alignment argument.
1976 Don't switch sections here.
1977 (output_constant_pool): Adjust call to output_constant_pool_1.
1978 Switch sections here instead. Don't output anything for block symbols;
1979 just pass them to place_block_symbol.
1980 (init_varasm_once): Initialize object_block_htab.
1981 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1982 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1983 (place_block_symbol, get_section_anchor, output_object_block)
1984 (output_object_block_htab, output_object_blocks): New functions.
1985 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1986 (TARGET_ASM_OUT): Include it.
1987 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1988 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1989 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1990 (TARGET_INITIALIZER): Include them.
1991 * rtl.c (rtl_check_failed_block_symbol): New function.
1992 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1993 (block_symbol, object_block): New structures.
1994 (rtx_def): Add a block_symbol field to the union.
1995 (BLOCK_SYMBOL_CHECK): New macro.
1996 (rtl_check_failed_block_symbol): Declare.
1997 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1998 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1999 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
2000 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
2001 * output.h (output_section_symbols): Declare.
2002 (object_block): Name structure.
2003 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
2004 (default_use_anchors_for_symbol_p): Declare.
2005 * Makefile.in (RTL_BASE_H): Add vec.h.
2006 (explow.o): Depend on output.h.
2007 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
2008 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2009 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2010 (rs6000_use_blocks_for_constant_p): New function.
2012 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2014 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
2016 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2019 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
2022 2006-02-18 Diego Novillo <dnovillo@redhat.com>
2024 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
2028 2006-02-18 Jakub Jelinek <jakub@redhat.com>
2031 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
2032 instead of DECL_REGISTER.
2034 2006-02-18 Olivier Hainque <hainque@adacore.com>
2037 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
2039 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
2042 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
2043 * opth-gen.awk: Handle Var and InverseMask together.
2044 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
2045 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
2046 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
2047 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
2049 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2050 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2051 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
2052 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2053 LINUX_DYNAMIC_LINKER): Define.
2054 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
2055 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
2057 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2058 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
2059 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2060 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2061 (TARGET_C99_FUNCTIONS): Don't define.
2062 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
2063 GLIBC_DYNAMIC_LINKER.
2064 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
2065 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
2066 GLIBC_DYNAMIC_LINKER64): Define.
2067 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2068 LINUX_DYNAMIC_LINKER64.
2069 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2070 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2071 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
2072 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2073 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2074 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2075 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
2076 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
2077 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
2078 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
2079 and LINUX_DYNAMIC_LINKER32.
2080 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2081 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2082 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
2083 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2084 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
2086 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
2087 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
2088 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2089 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2090 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2091 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
2092 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
2093 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
2094 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2095 LINUX_DYNAMIC_LINKER): Define.
2096 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
2097 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
2098 GLIBC_DYNAMIC_LINKER64): Define.
2099 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2100 LINUX_DYNAMIC_LINKER64.
2101 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2102 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2103 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
2104 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2105 LINUX_DYNAMIC_LINKER): Define.
2106 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2107 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2108 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
2109 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
2110 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
2111 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2112 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
2113 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
2114 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2115 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2116 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2117 * doc/invoke.texi (-muclibc): Remove caveat about supported
2120 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2122 * doc/cpp.texi (__TIMESTAMP__): Document.
2124 2006-02-17 Roger Sayle <roger@eyesopen.com>
2127 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
2128 C is one less than the width of X (and related transformations).
2129 * simplify-rtx.c (simplify_unary_operation_1): Transform
2130 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
2131 depending on STORE_FLAG_VALUE, were C is one less then the
2134 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
2136 Fix PR tree-optimization/26341
2137 * tree-ssa-operands.c (add_virtual_operand): Remove assert
2138 about NAME_MEMORY_TAG's.
2140 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2143 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
2144 with hardware float support, and software float support. Add fcpy
2145 alternative to hardware patterns. Add alternatives to copy between
2146 general and floating-point registers to the 32-bit pattern.
2147 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
2148 secondary reload to load a QI or HI mode constant into a floating
2150 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
2151 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
2153 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
2156 * config/rs6000/darwin.md (load_macho_picbase_si): Add
2158 (load_macho_picbase_di): Likewise.
2160 2006-02-16 Jeff Law <law@redhat.com>
2162 * tree-vrp.c (set_value_range_to_nonnegative): New function.
2163 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
2164 (ssa_name_nonzero_p): Likewise.
2165 (get_value_range): Return NULL if VRP is not running.
2166 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
2167 VRP routines do not discover a range.
2168 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
2169 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
2170 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
2171 (tree_expr_nonnegative_p): Similarly.
2172 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
2173 (restore_nonzero_vars_to_original_value): Remove.
2174 (unsafe_associative_fp_binop): Remove.
2175 (tree_ssa_dominator_optimize): Remove initialization and
2176 finalization of nonzero_vars and nonzero_vars_stack.
2177 (dom_opt_initialize_block): No longer push marker on
2179 (dom_opt_finalize_block): No longer call
2180 restore_nonzero_vars_to_original_value.
2181 (record_equivalences_from_phis): No longer look for
2182 nonzero PHI arguments.
2183 (cprop_into_successor_phis): No longer propagate nonzero
2184 property into PHI arguments. Lose unused argument. Caller
2186 (record_equivalences_from_stmt): No longer record nonzero
2187 values for SSA_NAMEs.
2188 (lookup_avail_expr): No longer use nonzero_vars.
2190 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
2191 for sizetype when sizetype is unsigned.
2193 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
2195 PR rtl-optimization/25603
2196 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
2197 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
2198 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
2199 with new meaning of SETS.
2201 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
2206 * config/linux.opt: New file.
2207 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2208 LINUX_DYNAMIC_LINKER): Define.
2209 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
2210 * config.gcc (*-*-linux*): Define extra_options.
2211 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
2212 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
2213 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
2214 GLIBC_DYNAMIC_LINKER.
2215 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
2216 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2217 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2218 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2219 * doc/invoke.texi (GNU/Linux Options): New section.
2221 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2223 * config/sparc/sparc.md (setjmp): Rewrite.
2224 (setjmp_32): Delete.
2225 (setjmp_64): Likewise.
2227 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
2229 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
2232 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2234 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2237 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2239 PR rtl-optimization/26296
2240 * Makefile.in (loop-invariant.c): Add except.h dependency.
2241 * loop-invariant.c: Include except.h.
2242 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2244 2005-02-16 Paul Brook <paul@codesourcery.com>
2246 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2249 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2251 PR rtl-optimization/25636
2252 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2253 when deciding whether an insn is an initializing insn.
2255 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2257 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2258 (tree_code_size): Ditto.
2259 * tree.h (struct tree_memory_tag): Remove parent_var.
2260 (struct tree_struct_field_tag): New.
2263 (union tree_node): Add sft member.
2264 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2266 (create_sft): Add size and offset argument, set SFT_OFFSET and
2268 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2269 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2270 * tree-flow-inline.h (get_subvar_at): Update for
2271 SFT_OFFSET/SFT_SIZE.
2272 (var_can_have_subvars): Ditto.
2273 (overlap_subvar): Ditto.
2274 * print-tree.c (print_node): Print out interesting things for
2276 * tree-flow.h (struct subvar): Remove offset and size members.
2277 * tree-ssa-operands.c (get_expr_operands): Update for
2278 get_indirect_ref_operands changes.
2279 (get_indirect_ref_operands): Call add_virtual_operand instead of
2280 add_stmt_operand. Only recurse on base var if requested.
2281 (access_can_touch_variable): New function.
2282 (add_stmt_operand): Split virtual operand handling into ...
2283 (add_virtual_operand): Here. Add offset, size, and for_clobber
2284 arguments. Prune alias sets.
2285 (add_call_clobber_ops): Call add_virtual_operand.
2287 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2290 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2292 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2293 than TREE_CODE as index into omp_clause_num_ops array.
2295 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2297 PR rtl-optimization/26184
2298 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2300 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2301 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2302 must_precede, must_follow and tobe_scheduled.
2305 * opts.c (common_handle_option): Free new_option pointer.
2306 * df-core.c (df_analyze): Free postorder pointer.
2308 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2310 * Makefile.in: Fix the examples about the use of stamps
2312 2006-02-15 Michael Matz <matz@suse.de>
2316 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2317 influenced by maximum_field_alignment or DECL_PACKED.
2318 (update_alignment_for_field): Ditto.
2319 (place_field): Ditto.
2320 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2323 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2325 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2326 (debug_flow_info): Pass it.
2327 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2328 * bb-reorder.c (reorder_basic_blocks): Likewise.
2329 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2330 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2331 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2332 * gcse.c (gcse_main, bypass_jumps): Likewise.
2333 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2334 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2335 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2336 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2337 * rtl.h (dump_flow_info): Adjust prototype.
2338 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2339 * var-tracking.c (variable_tracking_main): Likewise.
2340 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2341 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2344 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2346 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2349 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2351 PR tree-optimization/26209
2352 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2353 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2355 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2357 2006-02-14 Roger Sayle <roger@eyesopen.com>
2360 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2361 (X,Y) and the corresponding symmetry related transformations.
2362 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2363 (X,Y) and its symmetry related transformations.
2365 2006-02-14 Roger Sayle <roger@eyesopen.com>
2367 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2370 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2372 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2374 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2377 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2378 support COMDAT group.
2379 * configure: Regenerate.
2381 2006-02-14 Roger Sayle <roger@eyesopen.com>
2386 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2388 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2390 Fix PR tree-optimization/26260
2392 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2394 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2395 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2396 * tree-ssa-structalias.c (create_variable_info_for): Use
2397 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2399 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2401 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2403 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2404 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2405 of the ending condition.
2406 * tree-ssa-loop-manip.c: Include params.h.
2407 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2408 tree_unroll_loop): New functions.
2409 * tree-pass.h (pass_loop_prefetch): Declare.
2410 * loop.c (rest_of_handle_loop_optimize): Test for
2411 -fprefetch-loop-arrays-rtl.
2412 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2413 * timevar.def (TV_TREE_PREFETCH): New timevar.
2414 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2415 pass_loop_prefetch): New.
2416 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2417 (cleanup_tree_cfg_loop): Call scev_reset.
2418 * common.opt (fprefetch-loop-arrays-rtl): Add.
2419 * tree-ssa-loop-prefetch.c: New file.
2420 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2421 (new_temp_expr_table): Initialize expr_vars.
2422 (free_temp_expr_table): Cleanup expr_vars.
2423 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2424 expressions from being merged into one.
2425 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2426 (struct tree_niter_desc): Add control, bound and cmp fields.
2427 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2429 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2430 (tree-cfgcleanup.o): Add SCEV_H dependency.
2431 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2432 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2434 2006-02-14 Richard Guenther <rguenther@suse.de>
2436 PR tree-optimization/26258
2437 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2438 in PHI argument processing.
2440 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2442 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2443 new expression in the requested machine mode.
2445 2006-02-13 Roger Sayle <roger@eyesopen.com>
2447 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2448 directly, instead let do_compare_rtx_and_jump handle this for us.
2449 * expr.c (expand_expr_real_1): Likewise.
2450 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2451 before do_jump_by_parts_greater.
2452 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2453 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2455 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2457 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2459 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2461 PR rtl-optimization/26235
2462 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2463 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2466 2006-02-13 Jeff Law <law@redhat.com>
2468 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2471 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2474 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2475 twice if decl is a builtin. When trying again, call get_callee_fndecl
2476 first to verify it is still a builtin.
2478 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2480 * dwarf2out.c (base_type_die): Don't add AT_name here.
2481 (subrange_type_die): Don't add AT_name here.
2482 (modified_type_die): Rearrange code flow. Do add AT_name here.
2484 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2486 PR rtl-optimization/26247
2487 PR rtl-optimization/26248
2488 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2490 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2492 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2493 * config/fixtfdi.c: Likewise.
2494 * config/fixunstfdi.c: Likewise.
2495 * config/floatditf.c: Likewise.
2497 2006-02-13 Roger Sayle <roger@eyesopen.com>
2500 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2501 into (X,C2) if C1 is a subset of the bits of C2. Transform
2502 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2504 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2506 2006-02-13 Josh Conner <jconner@apple.com>
2509 * varasm.c (function_section): Check for section name before
2510 calling select_section on targets that define
2511 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2512 unlikely_text_section instead of hot_function_section if
2513 first_function_block_is_cold.
2515 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2518 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2520 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2522 PR rtl-optimization/26222
2523 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2524 after tree->rtl expansion.
2525 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2526 before passing it to emit_move_insn.
2528 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2530 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2532 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2533 Clarify documentation.
2534 * c-common.h (warn_write_strings): Remove.
2535 * c-common.c (warn_write_strings): Likewise.
2536 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2539 2006-02-12 Roger Sayle <roger@eyesopen.com>
2542 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2543 (do_jump_parts_zero_rtx): New function renamed from
2544 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2545 (do_jump_parts_equality_rtx): New function split out from
2546 do_jump_parts_equality. Old implementation renamed as above.
2547 Call do_jump_parts_zero_rtx if either operand is zero.
2548 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2549 do all of the heavy lifting.
2550 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2551 calling either do_jump_by_parts_greater_rtx or
2552 do_jump_by_parts_equality_rtx.
2553 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2554 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2555 moved to do_compare_rtx_and_jump, call it directly.
2556 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2557 mode argument. Call do_compare_rtx_and_jump.
2558 (emit_case_nodes): Update calls to do_jump_if_equal.
2560 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2562 PR rtl-optimization/26225
2563 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2565 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2567 PR rtl-optimization/26232
2568 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2570 2006-02-11 Jason Merrill <jason@redhat.com>
2573 * tree-inline.c (declare_return_variable): Just don't use the
2574 modify target if it's a gimple complex reg and the return slot
2577 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2579 * doc/contrib.texi: Update my entry.
2581 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2583 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2585 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2587 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2590 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2592 * doc/invoke.texi (-floop-optimize2): Removed.
2593 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2594 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2595 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2596 * common.opt (floop-optimize2): Removed.
2597 (fmove-loop-invariants): Enabled by default.
2599 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2601 * tree-if-conv.c (combine_blocks): Free the result of
2602 get_loop_exit_edges.
2604 2006-02-10 Jeff Law <law@redhat.com>
2606 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2608 PR tree-optimization/26213
2609 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2610 loop trying to follow SSA_NAME_VALUE chains.
2612 2006-02-10 Richard Guenther <rguenther@suse.de>
2614 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2615 deal with structures that end in implicitly variable sized arrays.
2617 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2619 PR rtl-optimization/24762
2620 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2623 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2625 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2626 (struct ivopts_data): Add regs_used field.
2627 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2628 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2629 instead of loop_data->regs_used;
2630 (free_loop_data): Do not free aux fields for loops.
2631 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2632 and tree_ssa_iv_optimize_finalize.
2634 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2636 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2638 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2641 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2642 computing the effective result type.
2644 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2647 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2648 (tree_overlaps_hard_reg_set): Declare.
2649 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2650 type and signature to match function type expected by walk_tree.
2651 (tree_overlaps_hard_reg_set): New function.
2652 (decl_conflicts_with_clobbers_p): Rename to:
2653 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2654 Use tree_overlaps_hard_reg_set. Changed caller.
2655 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2656 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2657 * cris.c (cris_md_asm_clobbers): Likewise.
2659 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2661 * reload1.c (emit_input_reload_insns): Delete code that tries to
2662 inherit using find_equiv_reg.
2664 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2666 * c-common.h (flag_const_strings): Don't declare.
2667 * c-common.c (flag_const_strings): Remove.
2668 * c.opt (fconst_strings): Remove.
2669 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2670 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2671 (c_common_init_options): Don't set flag_const_strings.
2672 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2674 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2676 * arm.md (tlobits_cbranch): New pattern.
2677 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2678 testing a single bit.
2680 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2683 * tree-ssa-pre.c (create_component_ref_by_pieces):
2684 Handle RETURN_DECL like VAR_DECL.
2686 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2689 * fold-const.c (fold_indirect_ref_1): Fold
2690 "*(foo *)&complexfoo" to "__real__ complexfoo"
2691 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2693 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2695 * tree-flow-inline.h (var_can_have_subvars):
2696 Volatile variables should not have subvariables.
2698 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2701 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2702 multiplying unsigned values.
2705 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2707 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2709 2006-02-08 Jason Merrill <jason@redhat.com>
2712 * tree.def: Elaborate on difference from MODIFY_EXPR.
2713 * doc/c-tree.texi (INIT_EXPR): Likewise.
2714 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2715 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2716 (gimplify_target_expr): Likewise.
2717 (gimplify_cond_expr): Remove target handling.
2718 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2719 (gimplify_expr): Clobber it here.
2720 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2721 Do return slot optimization if we have an INIT_EXPR.
2724 * tree-inline.c (declare_return_variable): Also clear
2725 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2728 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2731 * gimplify.c (gimplify_one_sizepos): Fix typo.
2733 2006-02-08 Jeff Law <law@redhat.com>
2735 PR tree-optimization/21417
2736 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2737 across a backedge if the control statement at the end of the
2738 block is data dependent on other statements in the same block.
2739 (record_temporary_equivalences_from_stmts): Remove over-conservative
2740 test for threading across backedges.
2742 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2743 control statement, handle all three special cases in the same
2744 manner as they all have the same desired solution. No longer
2745 special case edge flag updating when the post dominator is
2748 2006-02-08 Roger Sayle <roger@eyesopen.com>
2750 * tree.def (CHAR_TYPE): Remove.
2751 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2752 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2753 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2754 (gen_string_type_die): Delete unreachable function.
2756 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2757 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2758 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2759 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2760 * builtins.c (type_to_class): Likewise.
2761 * fold-const.c (fold_convert, build_range_check,
2762 merge_ranges): Likewise.
2763 * expr.c (count_type_elements): Likewise.
2764 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2765 * stor-layout.c (layout_type): Likewise.
2766 * ipa-type-escape.c (type_to_consider): Likewise.
2767 * gimplify.c (omp_firstprivatize_type_sizes,
2768 gimplify_type_sizes): Likewise.
2769 * explow.c (promote_mode): Likewise.
2770 * tree-sra.c (is_sra_scalar_type): Likewise.
2771 * varasm.c (output_constant): Likewise.
2772 * tree-inline.c (remap_type_1): Likewise.
2773 * convert.c (convert_to_pointer, convert_to_real,
2774 convert_to_integer, convert_to_complex): Likewise.
2776 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2778 * df-scan.c (df_def_record_1): A set destination may
2779 be a parallel regardless of mode.
2781 2006-02-08 Roger Sayle <roger@eyesopen.com>
2784 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2785 * config/mips/_tilib.c: Remove.
2786 * config/fixtfdi.c: New libgcc source file.
2787 * config/fixunstfdi.c: New source file.
2788 * config/floatditf.c: New source file.
2789 * config/floatunditf.c: New souce file.
2790 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2791 files above instead of config/mips/_tilib.c.
2792 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2794 2006-02-08 Jeff Law <law@redhat.com>
2796 PR tree-optimization/26169
2797 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2800 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2802 * df.h (DF_REG_SIZE): Return the length of the initialized
2805 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2807 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2808 __muldf3): Return a correctly signed zero.
2810 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2812 * passes.c (register_one_dump_file): Accept the current properties
2813 instead of pass number. Adjust call to dump_register. Remove
2815 (register_dump_files): Now a wrapper around...
2816 (register_dump_files_1): ... this one. Do not modify the pass
2818 (next_pass_1): Cosmetic fix.
2819 (execute_todo): Keep second parameter only. Use curr_properties
2820 instead of fetching it from the pass structure. Check and set
2822 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2823 instead of fetching it from the pass structure. Fix calls to
2824 execute_todo. Update curr_properties and initialize .vcg RTL dump
2825 after running the pass. Reset last_verified.
2826 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2828 (FIRST_AUTO_NUMBERED_DUMP): New.
2829 (dump_register): Remove "num" parameter, assign it within the
2831 (get_dump_file_name): Modify template for dumps.
2832 * tree-dump.h (dump_register): Adjust prototype.
2833 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2834 (PROP_trees): Add PROP_gimple_lomp.
2835 (TODO_set_props): New.
2836 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2837 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2838 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2840 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2842 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2843 (sparc64-*-linux*): Likewise.
2844 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2845 * config/sparc/t-linux: New file.
2846 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2847 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2848 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2849 -m32 -mlong-double-128.
2851 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2852 * config/alpha/t-linux: New file.
2853 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2855 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2856 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2857 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2858 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2859 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2860 (CPP_ARCH32_SPEC): Remove.
2862 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2864 PR tree-optimization/26145
2865 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2868 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2871 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2872 >= 240000 when generating code for SOM runtime.
2873 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2874 to $$dyncall when generating code for SOM runtime..
2876 2006-02-07 Dirk Mueller <dmueller@suse.com>
2879 * doc/invoke.texi (-Wsequence-point): Update documentation
2880 that -Wsequence-point is implemented for C++ as well.
2882 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2884 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2885 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2886 (LIB_SPEC): Likewise.
2887 * doc/invoke.texi (SPARC options): Document -pthread.
2889 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2891 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2894 2006-02-07 Roger Sayle <roger@eyesopen.com>
2896 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2897 Correct comment describing BOOLEAN_TYPE.
2899 2006-02-07 Dirk Mueller <dmueller@suse.com>
2901 * c.opt: C++ frontend supports -Wdiv-by-zero.
2902 * c-opts.c (c_common_handle_option): Remove dead case.
2904 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2906 * configure.ac (TLS assembler check): Do not enable TLS by
2907 default on SPARC/Solaris before version 10.
2908 * configure: Regenerate.
2910 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2912 * doc/invoke.texi (xl-compat): Document conversion and support
2915 2006-02-07 Jeff Law <law@redhat.com>
2917 * tree-vrp.c (find_conditional_asserts): Update comments.
2918 (simplify_stmt_for_jump_threading): New.
2919 (identify_jump_threads, finalize_jump_threads): New.
2920 (vrp_finalize): Call identify_jump_threads.
2921 (execute_vrp): Call finalize_jump_threads.
2922 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2923 (vrp_element, vrp_data, vrp_element_p): Remove.
2924 (vrp_hash_elt, vrp_variables_stack): Remove.
2925 (vrp_hash, vrp_eq, record_range): Remove.
2926 (simplify_cond_and_lookup_avail_expr): Remove.
2927 (extract_range_from_cond): Remove.
2928 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2929 (simplify_stmt_for_jump_threading): New.
2930 (dom_thread_across_edge): New wrapper.
2931 (tree_ssa_dominator_optimize): No longer initialize or
2932 finalize any of the VRP datastructures. Remove iteration
2933 step and simplify as a result of removal of iteration step.
2934 (pass_dominator): Perform a cfg cleanup after DOM.
2935 (dom_opt_finalize_block): Use the new common routines
2936 for threading jumps. Simplify stack management slightly.
2937 No longer need to unwind VRP state.
2938 (record_equivalences_from_incoming_edge): No longer record
2940 (eliminate_redundant_computations): No longer call
2941 simplify_cond_and_lookup_avail_expr.
2942 * tree-flow.h (potentially_threadable_block): Prototype.
2943 (thread_across_edge): Likewise.
2944 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2945 (tree-ssa-threadedge.o): Add dependencies.
2946 * tree-ssa-threadedge.c: New file.
2947 * passes.c (init_optimization_passes): Merge PHIs before
2948 calling VRP. Run VRP again late in the SSA optimization pipeline.
2950 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2952 * df-core.c (df_set_blocks): Do not dereference function pointers.
2953 (df_finish1): Likewise.
2954 (df_hybrid_search_forward): Likewise.
2955 (df_hybrid_search_backward): Likewise.
2956 (df_iterative_dataflow): Likewise.
2957 (df_analyze_problem): Likewise.
2958 (df_compact_blocks): Likewise.
2959 (df_dump): Likewise.
2960 * df-scan.c (df_rescan_blocks): Likewise.
2961 (df_record_entry_block_defs): Likewise.
2963 * genconditions.c (write_conditions): Guard the definition of
2964 'insn_conditions' with the check on GCC version.
2965 (write_writer): Guard the traversal 'insn_conditions' with
2966 the check on GCC version.
2968 2006-02-07 Richard Guenther <rguenther@suse.de>
2972 2006-01-30 Richard Guenther <rguenther@suse.de>
2974 * gimplify.c (gimplify_target_expr): Handle easy cases
2975 without creating a temporary.
2977 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2979 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2980 use of float in probability computations. Use edge probabilities
2981 in place of statically computed probabilities.
2982 (min_spec_prob): New static variable.
2983 (schedule_insns): Initialize it.
2984 (GET_SRC_PROB): Removed.
2985 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2987 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2990 * config/ia64/unwind-ia64.c: Revert last change.
2991 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2992 (INCOMING_FRAME_SP_OFFSET): Define.
2994 2006-02-06 Roger Sayle <roger@eyesopen.com>
2996 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2998 2006-02-07 Ben Elliston <bje@au.ibm.com>
3000 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
3001 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
3002 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
3003 (ix86_return_in_memory): Handle TDmode.
3004 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
3005 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
3007 2006-02-06 Richard Sandiford <richard@codesourcery.com>
3009 * reorg.c (dbr_schedule): Use dump_file instead of file.
3011 2006-02-06 Steve Ellcey <sje@cup.hp.com>
3014 * config/ia64/predicates.md (extr_len_operand): New predicate.
3015 * config/ia64/ia64.md (extv): Tighten constraints.
3017 (*tbit_and_2): Ditto.
3018 (*tbit_and_3): Ditto.
3019 (*tbit_or_2): Ditto.
3020 (*tbit_or_3): Ditto.
3024 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
3027 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
3029 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3031 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
3032 loop_optimizer_init and loop_optimizer_finalize
3033 * tree-ssa-sink.c (execute_sink_code): Ditto.
3034 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3035 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
3036 tree_ssa_loop_done): Ditto.
3037 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
3038 * sched-ebb.c: Include output.h.
3039 (schedule_ebbs): Do not use dump argument.
3040 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
3041 * loop.c (loop_dump_stream): Removed.
3042 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
3044 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
3045 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
3046 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
3047 loop_iterations, strength_reduce, record_biv, record_giv,
3048 final_giv_value, check_final_value, check_ext_dependent_givs,
3049 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
3050 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
3051 dump_file instead of loop_dump_stream.
3052 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
3054 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
3056 * flow.c (life_analysis, rest_of_handle_life): Ditto.
3057 * haifa-sched.c: Include output.h
3058 (schedule_insns, sched_init): Do not use dump argument.
3059 * mode-switching.c (optimize_mode_switching): Ditto.
3060 * modulo-sched.c (stats_file): Removed.
3061 (print_node_sched_params): Do not call argument dump_file.
3062 (sms_schedule_by_order, loop_canon_p, sms_schedule,
3063 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
3065 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
3067 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
3068 rtl_loop_init, rtl_loop_done): Ditto.
3069 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
3070 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
3072 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
3073 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
3074 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
3075 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
3076 * emit-rtl.c (renumber_insns): Ditto.
3077 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
3078 expand_gimple_basic_block, tree_expand_cfg): Ditto.
3079 * regclass.c (regclass): Ditto.
3080 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
3081 remove_ssa_form, rewrite_out_of_ssa): Ditto.
3082 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
3083 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
3085 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
3086 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
3088 * gcse.c (gcse_file, debug_stderr): Removed.
3089 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
3090 rest_of_handle_gcse): Do not use dump argument.
3091 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
3092 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
3093 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
3094 compute_code_hoist_vbeinout, compute_code_hoist_data,
3095 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
3096 compute_store_table, build_store_vectors, insert_insn_start_bb,
3097 insert_store, remove_reachable_equiv_notes, replace_store_insn,
3098 store_motion): Use dump_file instead of gcse_file.
3099 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
3100 * profile.c (profile_dump_file): Removed.
3101 (branch_prob): Use dump_file instead of profile_dump_file.
3102 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
3104 * tree-ssa-copy.c (dump_copy_of): Ditto.
3105 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
3106 dump file to life_analysis.
3107 * bt-load.c (branch_target_load_optimize): Ditto.
3108 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
3110 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
3111 regclass, dbr_schedule): Declaration changed.
3112 * sched-int.h (sched_init): Declaration changed.
3113 * tree-profile.c (tree_profile_dump_file): Removed.
3114 (tree_profile_hooks): Removed profile_dump_file hook.
3115 * rtl-profile (rtl_profile_dump_file): Removed.
3116 (rtl_profile_hooks): emoved profile_dump_file hook.
3117 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
3119 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
3120 * tree-cfg.c (build_tree_cfg): Ditto.
3121 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
3122 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
3123 Declaration changed.
3124 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
3125 life_analysis and schedule_insns.
3126 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
3128 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
3130 * config/mips/mips.c (mips_reorg): Ditto.
3131 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
3134 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
3136 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3137 (s390_mangle_fundamental_type): New.
3138 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3141 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3142 (alpha_mangle_fundamental_type): New.
3143 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3146 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3148 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3150 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3151 (sparc_mangle_fundamental_type): New.
3153 2006-02-06 Jakub Jelinek <jakub@redhat.com>
3155 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
3156 (s390x-*-linux*): Likewise.
3157 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
3158 * config/s390/t-linux: New file.
3160 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3162 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
3163 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
3165 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
3167 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
3168 (ANTIC_SAFE_LOADS): New macro.
3169 (find_or_generate_expression): Add prototype.
3170 (set_contains_value): Allow null set for sake of not always having
3171 to allocate ANTIC_SAFE_LOADS.
3172 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
3173 Allow COMPONENT_REF too.
3174 (valid_in_set): Allow COMPONENT_REF.
3175 Check ANTIC_SAFE_LOADS too.
3176 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
3177 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
3179 (can_PRE_operation): Add COMPONENT_REF.
3180 (create_component_ref_by_pieces): New function.
3181 (create_expression_by_pieces): Use create_component_ref_by_pieces.
3182 (insert_aux): Move AGGREGATE_TYPE_P check here.
3183 (compute_avail): Set bb local stmt uids.
3184 (pass_pre): Use TODO_update_ssa_only_virtuals.
3186 2006-02-06 Ben Elliston <bje@au.ibm.com>
3188 * configure.ac: Unconditionally disable decimal float by default.
3189 * configure: Regenerate.
3191 2006-02-06 Ben Elliston <bje@au.ibm.com>
3193 * read-rtl.c (read_name): Terminate reading on EOF.
3195 2006-02-06 Ben Elliston <bje@au.ibm.com>
3197 * dfp.c (decimal_real_arithmetic): Change second argument type
3198 from int to enum tree_code. Do not always return true, but now
3199 return result of any call to decimal_do helper functions.
3200 * dfp.h (decimal_real_arithmetic): Update prototype.
3202 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3204 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
3206 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
3209 * tree-cfg.c (cleanup_dead_labels): Also don't remove
3212 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3214 * tree-vrp.c (cfg_loops): Removed.
3215 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
3216 Use current_loops instead of cfg_loops. Pass flags to
3217 loop_optimizer_init.
3218 * cfgloopmanip.c (fix_loop_structure): Update only available
3220 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
3221 loop_optimizer_init.
3222 * modulo-sched.c (build_loops_structure): Removed.
3223 (sms_schedule): Use loop_optimizer_init.
3224 * loop-init.c (loop_optimizer_init): Use flags to determine
3225 which properties of loops to prepare.
3226 (rtl_loop_init): Pass flags to loop_optimizer_init.
3227 * tree-ssa-sink.c (execute_sink_code): Ditto.
3228 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3229 * tree-ssa-pre.c (init_pre): Ditto.
3230 * cfgloop.h (LOOPS_NORMAL): New.
3231 (loop_optimizer_init): Declaration changed.
3233 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3235 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3236 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3238 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3240 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3242 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3243 * pa/t-pa64: Delete quadlib.c rule.
3244 * pa/x-ada: Revert last change.
3245 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3247 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3249 PR rtl-optimization/26087
3250 * rtlanal.c (canonicalize_condition): Do not cross basic block
3253 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3256 * config/ia64/ia64.c: Include debug.h.
3257 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3258 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3259 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3260 (process_epilogue, process_set, process_for_unwind_directive):
3261 Output unwind info only if requested. Add CFA info if requested.
3262 Add new arguments as needed. Adjust callers.
3263 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3265 (DWARF2_FRAME_INFO): Define to zero.
3266 * config/ia64/unwind-ia64.c: Remove code that compensated for
3267 the CFA offset error fixed above.
3268 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3269 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3270 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3271 -funwind-tables and -fexceptions to enable frame info.
3272 (dwarf2out_frame_init): Define initial CFA even if
3273 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3274 DWARF2_UNWIND_INFO is nonzero, not just defined.
3275 (dwarf2out_frame_finish): Output non-EH call frame info only
3276 if DWARF2_FRAME_INFO is nonzero.
3277 (convert_cfa_to_loc_list,
3278 compute_frame_pointer_to_cfa_displacement): Define even if
3279 unwind info is not supported.
3280 (gen_subprogram_die): Use the above unconditionally. Remove
3281 legacy alternate code.
3282 * toplev.c (compile_file): Compile in call to
3283 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3284 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3286 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3287 Jakub Jelinek <jakub@redhat.com>
3289 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3290 IBM extended float format long double as "g" on powerpc*-linux.
3292 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3295 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3296 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3298 2006-02-03 Jason Merrill <jason@redhat.com>
3301 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3304 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3305 on the return slot if it's an NRV.
3307 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3309 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3310 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3311 rewrite_use): Do not handle USE_OUTER.
3312 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3313 add_iv_outer_candidates, may_replace_final_value,
3314 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3315 (find_interesting_uses_op): Functionality of
3316 find_interesting_uses_outer_or_nonlin moved here.
3317 (find_interesting_uses_outside): Use find_interesting_uses_op.
3319 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3322 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3324 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3325 Ulrich Weigand <uweigand@de.ibm.com>
3328 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3329 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3330 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3331 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3333 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3334 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3335 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3336 Define secondary reloads for TFmode moves.
3337 (constant_modes): Add TFmode.
3338 (NR_C_MODES): Set to 8.
3339 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3341 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3342 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3343 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3344 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3345 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3346 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3347 (FPR mode macro): Add TFmode.
3348 (DSF mode macro): New.
3349 (<de>, <dee> mode attributes): Removed.
3350 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3351 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3352 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3353 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3354 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3355 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3356 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3357 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3358 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3359 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3360 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3361 "*negabs<mode>2", "sqrt<mode>2"):
3362 Changed <de> to <xde>. R constraint replaced by <Rf>.
3363 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3365 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3366 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3367 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3369 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3370 "extenddftf2", "extendsftf2"): New expanders.
3371 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3372 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3373 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3374 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3376 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3377 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3378 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3379 __floatditf): Add a GCC_4.1.0 symbol version tag.
3380 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3383 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3386 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3387 Use targetm.binds_local_p instead of TREE_PUBLIC.
3389 2006-02-02 Roger Sayle <roger@eyesopen.com>
3391 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3392 on INTEGER_TYPEs to indicate that it denotes a character type.
3393 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3394 signed_char_type_node, unsigned_char_type_node and char_type_node.
3395 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3396 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3397 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3399 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3400 Daniel Berlin <dberlin@dberlin.org>
3402 * tree-tailcall.c (arg_needs_copy_p): New function.
3403 (eliminate_tail_call): Use arg_needs_copy_p.
3404 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3405 (add_virtual_phis): New function.
3407 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3409 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3410 #ignore instead of #scratch for %g7 .register directive.
3412 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3414 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3417 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3419 * flow.c (calculate_global_regs_live): Assert that there aren't any
3422 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3424 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3426 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3427 bsi_after_labels iterator.
3428 * tree-if-conv.c (find_phi_replacement_condition,
3429 replace_phi_with_cond_modify_expr): Likewise.
3430 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3431 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3433 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3435 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3437 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3440 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3441 array after growing it.
3443 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3446 * fold-const.c (fold_checksum_tree): Change type of buf.
3448 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3450 * reload.c (push_secondary_reload): Initialize t_icode.
3452 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3454 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3455 -msoft-float -mlong-double-128 only issue a warning, but don't
3456 swich to DFmode long double.
3458 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3460 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3461 has a constant equivalent, iterate over equivalents for arg0,
3462 calling simplify_relational_operation and if there's a result
3463 cheaper than X, apply fold_rtx and return the result.
3465 2006-02-01 Jan Hubicka <jh@suse.cz>
3467 * opts.c (no_unit_at_a_time_default): New global variable.
3468 (decode_options): Use it.
3469 * opts.h (no_unit_at_a_time_default): Declare.
3471 2006-02-01 Paul Brook <paul@codesourcery.com>
3473 * function.c (assign_parm_setup_reg): Use function argument promotion
3475 * expr.c (expand_expr_real_1): Use function argument promotion rules
3478 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3480 * gcc.c (process_command): Change j to 'unsigned int'.
3482 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3485 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3486 Use the corrected index for the character
3487 out of the string constant.
3489 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3491 * mode-switching.c (optimize_mode_switching): Fix size
3492 allocated for bb_info[n_entities].
3494 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3496 * gcc.c (main): Correct type that is allocated for
3497 explicit_link_files.
3499 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3501 * config/s390/s390.c (init_alignment_context): Set
3502 ALIAS_SET_MEMORY_BARRIER on the MEM.
3503 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3505 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3508 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3510 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3513 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3515 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3516 * regrename.c: Ditto.
3517 * tree-ssa-loop-im.c: Ditto.
3518 * tree-dump.c: Ditto.
3519 * tree-complex.c: Ditto.
3520 * genrecog.c: Ditto.
3521 * tree-ssa-threadupdate.c: Ditto.
3523 * java/class.c: Ditto.
3524 * java/jcf-parse.c: Ditto.
3525 * java/resource.c: Ditto.
3526 * java/except.c: Ditto.
3527 * java/jvspec.c: Ditto.
3528 * java/jcf-write.c: Ditto.
3529 * java/jcf-path.c: Ditto.
3530 * java/gjavah.c: Ditto.
3531 * java/zextract.c: Ditto.
3532 * java/jcf-io.c: Ditto.
3533 * java/jcf.h: Ditto.
3534 * java/buffer.c: Ditto.
3535 * java/lang.c: Ditto.
3536 * java/parse-scan.y: Ditto.
3537 * java/lex.c: Ditto.
3538 * java/lex.h: Ditto.
3539 * cfgloopmanip.c: Ditto.
3540 * postreload-gcse.c: Ditto.
3541 * tree-ssa-loop-manip.c: Ditto.
3542 * postreload.c: Ditto.
3543 * tree-ssa-loop-ch.c: Ditto.
3547 * diagnostic.c: Ditto.
3549 * genoutput.c: Ditto.
3551 * cfghooks.c: Ditto.
3552 * cfgloopanal.c: Ditto.
3553 * objc/objc-act.c: Ditto.
3555 * genextract.c: Ditto.
3556 * genautomata.c: Ditto.
3557 * pretty-print.c: Ditto.
3559 * cgraphunit.c: Ditto.
3562 * haifa-sched.c: Ditto.
3563 * dominance.c: Ditto.
3565 * tree-ssa-loop-ivopts.c: Ditto.
3567 * mode-switching.c: Ditto.
3568 * modulo-sched.c: Ditto.
3570 * ipa-pure-const.c: Ditto.
3572 * fix-header.c: Ditto.
3574 * tree-stdarg.c: Ditto.
3575 * ipa-utils.c: Ditto.
3576 * loop-init.c: Ditto.
3577 * ipa-inline.c: Ditto.
3580 * alloc-pool.c: Ditto.
3581 * dwarf2out.c: Ditto.
3583 * genattrtab.c: Ditto.
3584 * tree-ssa-loop-ivcanon.c: Ditto.
3588 * fortran/gfortranspec.c: Ditto.
3590 * local-alloc.c: Ditto.
3591 * langhooks.c: Ditto.
3592 * function.c: Ditto.
3593 * tree-vectorizer.c: Ditto.
3595 * ipa-type-escape.c: Ditto.
3597 * tree-if-conv.c: Ditto.
3600 * tree-data-ref.c: Ditto.
3601 * loop-unroll.c: Ditto.
3602 * treelang/treetree.c: Ditto.
3605 * ggc-common.c: Ditto.
3607 * coverage.c: Ditto.
3609 * tree-cfgcleanup.c: Ditto.
3610 * tree-ssa-pre.c: Ditto.
3611 * cfgcleanup.c: Ditto.
3612 * loop-invariant.c: Ditto.
3614 * ipa-prop.c: Ditto.
3615 * print-tree.c: Ditto.
3616 * conflict.c: Ditto.
3617 * ggc-page.c: Ditto.
3618 * sched-deps.c: Ditto.
3619 * regclass.c: Ditto.
3620 * tree-object-size.c: Ditto.
3622 * bb-reorder.c: Ditto.
3623 * resource.c: Ditto.
3624 * var-tracking.c: Ditto.
3626 * df-problems.c: Ditto.
3627 * reg-stack.c: Ditto.
3630 * sched-rgn.c: Ditto.
3631 * tree-ssa-structalias.c: Ditto.
3632 * tree-ssa-reassoc.c: Ditto.
3633 * config/darwin-c.c: Ditto.
3634 * config/darwin.c: Ditto.
3635 * config/arm/arm.c: Ditto.
3637 * collect2.c: Ditto.
3640 2006-01-31 Nicolas Pitre <nico@cam.org>
3642 * arm.md (smaxsi3): Make aware of smax_m1.
3645 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3647 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3649 2006-01-31 Richard Guenther <rguenther@suse.de>
3651 * doc/invoke.texi (-msselibm): Document.
3652 * target.h (expand_library_builtin): New target hook.
3653 * builtins.c (expand_builtin): Use expand_library_builtin.
3654 (default_expand_library_builtin): New function.
3655 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3656 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3657 (link_gcc_math_spec): Declare.
3658 (static_specs): Add link_gcc_math_spec.
3659 * expr.h (default_expand_library_builtin): Declare.
3660 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3661 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3662 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3663 * config/i386/i386.opt (msselibm): New target option.
3664 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3665 (ix86_init_sse_abi_builtins): New function.
3666 (ix86_expand_library_builtin): Likewise.
3667 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3668 (override_options): Handle error conditions wrt -msselibm.
3669 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3670 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3671 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3674 2006-01-31 Richard Guenther <rguenther@suse.de>
3675 Paolo Bonzini <bonzini@gnu.org>
3677 * doc/install.texi (--disable-libgcc-math): Document.
3679 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3681 * expr.h (expand_normal): new inline function.
3682 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3684 * dwarf2out.c: use it.
3689 * config/sparc/sparc.c: use it.
3690 * config/i386/i386.c: use it.
3691 * config/rs6000/rs6000.c: use it.
3692 * config/arm/arm.c: use it.
3693 * config/mips/mips.c: use it.
3694 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3696 2006-01-30 Roger Sayle <roger@eyesopen.com>
3698 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3699 argv to the appropriate type.
3701 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3703 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3706 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3709 * config/s390/s390.c (struct machine_function): New flag
3710 decomposed_literal_pool_addresses_ok_p.
3711 (s390_reorg): Set it before final stage of literal pool transforms.
3712 (s390_decompose_address): Only accept displacements of the form
3713 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3715 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3717 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3718 the comparison routine return.
3720 2006-01-30 Michael Matz <matz@suse.de>
3722 * global.c (find_reg): Only evict for global regs.
3723 Take n_refs into account and dump more info.
3725 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3728 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3729 (pragma_trap, pragma_nosave_low_regs): Likewise.
3730 (current_function_anonymous_args): Likewise.
3731 (sh_deferred_function_attributes): New variable.
3732 (sh_deferred_function_attributes_tail): Likewise.
3733 (print_operand): For '@', look up trap_exit attribute.
3734 (calc_live_regs): Look up trapa_handler attribute. For trapa
3735 handlers, save/restore fpscr, but don't do any other
3736 interrupt-specific saves.
3737 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3738 Fix check for partially saved registers to check for SHmedia.
3739 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3740 (sh_output_function_epilogue): Don't clear any of the removed
3742 (sh_insert_attributes): Don't check pragma_interrupt.
3743 Insert deferred attributes. Check that interrupt attribute is
3744 present for other attributes that require its presence.
3745 (sh_attribute_table): Add new attributes trapa_handler and
3747 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3748 Don't check for pragma_interrupt. Don't store argument.
3749 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3750 (sh_deferred_function_attributes): Declare.
3751 (sh_deferred_function_attributes_tail): Likewise.
3752 * sh.md (sp_switch_1): Add operand. Change generator caller.
3753 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3754 (*return_i): Don't use when trap_exit attribute is in effect.
3755 (*return_trapa): New insn pattern.
3757 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3758 setting c_target_objs and cxx_target_objs.
3759 * t-sh: Add rule for sh-c.o.
3761 2006-01-30 Richard Guenther <rguenther@suse.de>
3764 * gimplify.c (gimplify_target_expr): Handle easy cases
3765 without creating a temporary.
3767 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3769 * vec.h (safe_grow): Remove duplicated line.
3771 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3774 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3775 (expand_omp): ... here.
3776 (expand_omp_parallel): Only remove barriers for combined
3777 parallel+workshare constructs.
3779 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3783 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3784 * tree.c (build_qualified_type): Chain the new type to the original
3785 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3786 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3787 (build_pointer_type_for_mode): Only return unqualified types.
3788 (build_reference_type_for_mode): Likewise.
3790 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3792 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3793 * Makefile.in (CXX_COMPAT_WARN): Define.
3794 * configure: Regenerate.
3796 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3799 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3802 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3804 * toplev.c: Fix thinko.
3806 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3807 Marcin Dalecki <martin@dalecki.de>
3809 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3810 (push_srcloc): Use XNEW.
3811 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3813 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3815 * df-core.c (df_set_blocks): Deleted all variable.
3817 2006-01-28 Ian Lance Taylor <ian@airs.com>
3819 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3820 cgraph_output_pending_asms.
3822 2006-01-28 Zack Weinberg <zackw@panix.com>
3824 * c.opt: Add -W(no-)overlength-strings.
3825 * doc/invoke.texi: Document it.
3826 * c-opts.c (c_common_handle_option): -pedantic implies
3827 -Woverlength-strings, if not explicitly disabled already.
3828 (c_common_post_options): -Woverlength-strings defaults to off, and
3829 is always off for C++.
3830 * c-common.c (fix_string_type): Issue warning about strings longer
3831 than is portable only if warn_overlength_strings. Rearrange code
3832 a little for clarity.
3833 * configure.in: Check for -Wno-overlength-strings as well before
3834 enabling -pedantic in stage 1.
3835 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3836 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3838 * genconditions.c (write_header, write_one_condition)
3839 (write_conditions, write_writer): Consolidate very long strings
3840 that were broken up to fit in C89 portable limit. Don't use
3841 printf when fputs will do.
3843 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3845 * combine.c (simplify_comparison <AND>): Check
3846 TRULY_NOOP_TRUNCATION before start using a subreg.
3848 * config/mips/mips.md (*branch_zero<mode>,
3849 *branch_zero<mode>_inverted, *branch_equality<mode>,
3850 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3851 Remove mode check from comparisons.
3853 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3855 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3857 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3859 * expmed.c (const_mult_add_overflow_p): Remove.
3860 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3862 * recog.c (validate_replace_rtx_subexp): Remove.
3863 * recog.h: Remove the prototype for
3864 validate_replace_rtx_subexp.
3866 * integrate.h: Remove the prototype for
3867 copy_decl_for_inlining.
3868 * rtl.h: Remove the prototype for mark_constant_function.
3869 * tree-vectorizer.h: Remove the prototype for
3870 vect_strip_conversion.
3872 * modulo-sched.c (create_partial_schedule,
3873 free_partial_schedule, reset_partial_schedule): Make them
3876 * hooks.c (hook_bool_rtx_int_false): Remove.
3877 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3879 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3881 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3882 and -mlong-double-128 are incompatible.
3883 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3884 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3885 (TARGET_LIBGCC2_CFLAGS): Define.
3886 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3887 (TARGET_LIBGCC2_CFLAGS): Same.
3888 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3890 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3893 * c-typeck.c (build_binary_op): Perform implicit casts of
3894 operands before shortening them.
3896 * cfgloopmanip.c (split_loop_bb): Remove.
3897 * cfgloop.h: Remove the prototype for split_loop_bb.
3899 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3900 * cfgloop.h: Remove the prototype for
3901 flow_loop_outside_edge_p.
3903 * emit-rtl.c (init_virtual_regs): Make it static.
3904 * function.h: Remove the prototype for init_virtual_regs.
3906 * recog.c (peephole2_optimize): Make it static.
3907 * recog.h: Remove the prototype for peephole2_optimize.
3909 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3911 * df-scan.c (df_record_entry_block_defs): Check if
3912 INCOMING_RETURN_ADDR_RTX is defined.
3914 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3915 Kenneth Zadeck <zadeck@naturalbridge.com>
3917 PR rtl-optimization/24762
3918 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3919 * targhooks.c (hook_void_bitmap): New hook prototype.
3920 * targhoohs.h (hook_void_bitmap): Ditto.
3921 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3922 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3923 * target.h (live_on_entry): New function pointer.
3924 * df-scan.c (df_all_hard_regs): Removed.
3925 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3926 (df_scan_free_internal): Added df->entry_block_defs.
3927 (df_scan_alloc): Ditto.
3928 (df_scan_dump): Ditto.
3929 (df_uses_record): Plumbed flag field properly thru calls.
3930 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3931 This part fixes PR24762.
3932 (df_bb_refs_record): Added code to make the frame and arg
3933 pointers live in EH blocks.
3934 (df_refs_record): Added call to df_record_entry_block_defs.
3935 (df_record_entry_block_defs): New function.
3936 * df-core.c: Added comments to describe new artifical defs.
3937 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3938 (entry_block_defs): New field in struct df.
3939 (df_all_hard_regs): Deleted.
3940 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3941 * df-problems.c (df_ru_bb_local_compute_process_def):
3942 Added code to handle artifical defs in the entry to a function.
3943 (df_ru_bb_local_compute): Ditto.
3944 (df_rd_bb_local_compute_process_def): Ditto.
3945 (df_rd_bb_local_compute): Ditto.
3946 (df_lr_bb_local_compute): Ditto.
3947 (df_ur_bb_local_compute): Ditto.
3948 (df_urec_bb_local_compute): Ditto.
3949 (df_chain_create_bb): Ditto.
3950 (df_ur_local_finalize): Removed entry.
3951 (df_urec_init): Ditto.
3952 (df_urec_local_finalize): Ditto.
3953 (df_ri_bb_compute): Added detection of last use of pseudos.
3954 * Makefile.in (df-scan.o): Updated dependencies.
3955 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3956 * config/mips/mips.c (mips_set_live_on_entry): Added.
3957 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3959 * dce.c (marked_insn_p): Added code to handle artifical defs.
3961 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3963 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3965 (_mm_cvtsi128_si64): Likewise.
3966 (_mm_cvtsd_si64): Likewise.
3967 (_mm_cvttsd_si64): Likewise.
3968 (_mm_cvtsi64_sd): Likewise.
3969 (_mm_cvtsi64_si128): Likewise.
3970 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3971 (_mm_cvtsi64_m64): Likewise.
3972 (_m_to_int64): Likewise.
3973 (_mm_cvtm64_si64): Likewise.
3974 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3975 (_mm_cvttss_si64): Likewise.
3976 (_mm_cvtsi64_ss): Likewise.
3977 (_mm_cvtss_f32): Likewise.
3979 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3981 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3982 for pragma redefine_extname.
3984 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3987 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3988 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3989 -mno-minimal-toc to previous content.
3990 (bispecs): Remove goal.
3991 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3992 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3993 compatibility aliases on powerpc-*-*gnu*.
3994 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3995 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3996 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3997 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3998 (ldblspecs): New goal.
3999 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
4000 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
4002 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
4003 L_sf_to_tf or L_df_to_tf is defined.
4005 2006-01-27 David Edelsohn <edelsohn@gnu.org>
4006 Alan Modra <amodra@bigpond.net.au>
4009 * config/rs6000/linux.h (POWERPC_LINUX): Define.
4010 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
4011 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
4012 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
4013 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
4014 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
4015 (rs6000_override_options): Initialize rs6000_ieeequad.
4016 Initialize TFmode format to ibm_extended_format if not
4018 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
4020 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
4021 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
4022 (function_arg_advance): IBM long double passed in two FPRs, not
4024 (function_arg): IBM long double passed in FPRs.
4025 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
4026 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
4027 Only multireg GPR aligned.
4028 (rs6000_init_libfuncs): Enable IBM long double functions if not
4030 (rs6000_generate_compare): Use IBM long double compare if not
4032 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
4033 (TARGET_IEEEQUAD): Define.
4034 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
4035 not TARGET_IEEEQUAD.
4036 * config/rs6000/rs6000.md: Enable TFmode patterns if
4038 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
4039 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4040 and -mlong-double-128 are incompatible.
4041 * doc/invoke.texi (-mabi): Collect options together. Add
4042 ibmlongdouble and ieeelongdouble.
4044 2006-01-27 Richard Sandiford <richard@codesourcery.com>
4046 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
4048 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
4049 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
4050 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
4051 * rtl.h (rtunion_def): Remove rt_ptr.
4053 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
4054 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
4055 * config/i386/winnt.c (i386_pe_mark_dllexport)
4056 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
4058 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
4060 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
4062 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4066 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
4067 pthread_key_delete. From John David Anglin. gthrw-ify
4068 pthread_getunique_np only if it it's not a macro. Delete
4070 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
4071 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
4072 __gthread_objc_condition_signal, __gthread_key_delete): Add
4073 "__attribute__ ((__unused__))" to unused arguments.
4074 (__gthread_recursive_mutex_init_function): Add missing return.
4075 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
4076 gthr-posix95.h: Use macro-based approach for name redirection
4077 on targets missing weakref.
4079 2006-01-26 Zack Weinberg <zackw@panix.com>
4081 * genconditions.c (write_header): In generated code, #ifdef out
4082 all includes and fake declarations, except includes of bconfig.h
4083 and system.h, unless GCC_VERSION >= 3001. Do not include
4084 gensupport.h in any case.
4085 (write_conditions): Generate a definition of struct c_test. Add
4086 a comment to the generated #endif.
4087 (write_one_condition): Escape backslashes in string too.
4088 (write_writer): Generated code must escape backslashes and quote
4089 marks (but not newlines) in the strings it writes.
4090 * Makefile.in (build/gencondmd.o): Update dependencies.
4092 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4095 * Makefile.in (insn-automata.o): Add header file dependencies.
4096 * genautomata.c: Add includes.
4098 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4101 * Makefile.in (insn-automata.o): Add -Wno-error flag.
4103 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4105 * configure.ac: Expect target tools paths to be passed from the toplevel
4106 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
4108 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
4110 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4113 * c.opt (Wpointer-sign): Init to -1.
4114 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
4115 OPT_pedantic, to 0 otherwise.
4116 * doc/invoke.texi: Update.
4118 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4120 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
4121 constants provided by 80387 instructions in the destination mode.
4123 2006-01-26 Richard Guenther <rguenther@suse.de>
4124 Andrew Pinski <pinskia@physics.uc.edu>
4127 partial PR tree-opt/17064
4128 * tree-ssa-structalias.c (intra_create_variable_infos):
4129 Create heap variables for incoming parameters if
4130 flag_argument_noalias > 1.
4131 (find_what_p_points_to): Look through default defs of
4134 2006-01-26 Jeff Law <law@redhat.com>
4137 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
4138 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
4139 within the VR_RANGE, use the VR_RANGE as the result, not the
4141 (adjust_range_with_scev): Reject ranges from SCEV which are out of
4142 bounds for the type.
4144 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
4146 * tree-ssa-alias.c (maybe_create_global_var): Change
4147 subvar walking to an assertion that we don't have subvar'd variables.
4149 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
4152 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
4153 Use a new variable, inner. PARM_DECLs are always non-weak.
4155 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
4157 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
4160 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
4162 * config/mips/mips.md (*clear_upper32): New combiner pattern.
4164 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
4166 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
4167 (smax_insn, smin_insn, smax_0, smin_0): New.
4169 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
4172 * config/cris/cris.c (cris_order_for_addsi3): New function.
4173 * config/cris/cris-protos.h: Prototype it.
4174 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
4175 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
4176 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
4177 (split for "op.S1 [rx=rx+i],ry (swapped)")
4178 (split for "op(s|u).S1 [rx=rx+i],ry")
4179 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
4180 Apply cris_order_for_addsi3 when generating addsi3 insns.
4182 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4184 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
4185 (TREE_BLOCK): Add call to EXPR_CHECK.
4187 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4190 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
4191 * tree-pretty-print.c (dump_omp_clause): Extract from ...
4192 (dump_omp_clauses): ... here.
4193 (dump_generic_node): Handle OMP_CLAUSE.
4194 * tree.c (omp_clause_num_ops): New.
4195 (omp_clause_code_name): New.
4196 (tree_code_size): Handle OMP_CLAUSE.
4197 (tree_size): Likewise.
4198 (make_node): Document handling of OMP_CLAUSE.
4199 (tree_node_structure): Handle OMP_CLAUSE.
4200 (omp_clause_check_failed): New.
4201 (omp_clause_range_check_failed): New.
4202 (omp_clause_operand_check_failed): New.
4203 (build_omp_clause): New.
4204 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
4205 * tree.h (enum omp_clause_code): Declare.
4206 (OMP_CLAUSE_SUBCODE_CHECK): Define.
4207 (OMP_CLAUSE_RANGE_CHECK): Define.
4208 (OMP_CLAUSE_ELT_CHECK): Define.
4209 (omp_clause_check_failed): Declare.
4210 (omp_clause_operand_check_failed): Declare.
4211 (omp_clause_range_check_failed): Declare.
4212 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
4213 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
4214 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
4215 (OMP_CLAUSE_LASTPRIVATE): Likewise.
4216 (OMP_CLAUSE_IF_EXPR): Likewise.
4217 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
4218 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
4219 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
4220 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
4221 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
4222 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
4223 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
4224 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
4225 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
4226 (OMP_CLAUSE_CODE): Define.
4227 (OMP_CLAUSE_SET_CODE): Define.
4228 (OMP_CLAUSE_CODE): Define.
4229 (OMP_CLAUSE_OPERAND): Define.
4230 (struct tree_omp_clause): Declare.
4231 (union tree_node): Add field 'omp_clause'.
4232 * treestruct.def (TS_OMP_CLAUSE): Define.
4233 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
4234 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
4235 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
4236 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
4237 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
4238 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
4239 (OMP_CLAUSE): Define.
4240 * print-tree.c (print_node): Handle OMP_CLAUSE.
4241 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
4242 * c-typeck.c: Likewise.
4243 * gimplify.c: Likewise.
4244 * c-omp.c: Likewise.
4245 * tree-nested.c: Likewise.
4246 * tree-inline.c: Likewise.
4247 * c-parser.c: Likewise.
4248 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4251 2006-01-25 Roger Sayle <roger@eyesopen.com>
4253 PR rtl-optimization/25703
4254 * combine.c (try_combine): Handle zero_extract and strict_low_part
4255 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4257 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4259 * global.c: Fix comment typos.
4261 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4264 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4265 Use output_addr_const instead of assemble_name.
4267 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4269 * Makefile.in (sched-vis.o): Update dependencies.
4270 * haifa-sched.c (sched_finish): Clear current_sched_info.
4271 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4272 (dump_flow_info): Call it.
4273 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4275 * basic-block.h (dump_bb_info): Declare.
4276 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4277 option, and apply options only for dump files whose TDF_RTL,
4278 TDF_TREE, or TDF_IPA bits match.
4279 * rtl.h: Declare new functions exported from sched-vis.c.
4280 * sched-vis.c: Enable also if scheduling is not used.
4281 (print_value): Print the mode of registers if not inside scheduling.
4282 (print_insn): Make it work outside the scheduler. Beautify the output
4284 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4286 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4288 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4289 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4290 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4291 depending on the value of CONSTANT_POOL_ADDRESS_P.
4292 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4294 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4295 rather than SYMBOL_REF_DECL.
4296 (rtx_constant_pool): Remove const_rtx_sym_htab.
4297 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4298 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4299 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4300 Remove handling of const_rtx_sym_htab.
4301 (find_pool_constant): Delete.
4302 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4303 rather than find_pool_constant.
4304 (get_pool_constant_for_function): Delete.
4305 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4307 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4308 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4309 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4310 (SYMBOL_REF_CONSTANT): New macro.
4311 (get_pool_constant_for_function): Delete.
4312 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4313 rather than SYMBOL_REF_DECL.
4314 (i386_pe_mark_dllimport): Likewise.
4315 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4316 rather than SYMBOL_REF_DECL.
4317 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4318 (machopic_indirect_call_target): Likewise.
4320 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4322 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4324 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4326 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4328 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4330 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4332 2006-01-24 David Daney <ddaney@avtrex.com>
4335 * configure.ac (enable_tls): New enable option.
4336 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4337 * configure: Regenerate.
4338 * doc/install.texi (--enable-tls): Document new option.
4339 (--disable-tls): Ditto.
4341 2006-01-24 Richard Henderson <rth@redehat.com>
4343 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4344 * alias.c (true_dependence): Respect it.
4345 (canon_true_dependence, write_dependence_p): Likewise.
4346 * builtins.c (get_builtin_sync_mem): Set it.
4348 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4350 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4353 2006-01-24 DJ Delorie <dj@redhat.com>
4355 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4356 for storing constants in single-bit bitfields.
4358 2006-01-25 Ben Elliston <bje@au.ibm.com>
4360 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4362 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4365 * tree-ssa-pre.c (phi_translate): Return NULL
4366 for AGGREGATE_TYPE's.
4368 2006-01-24 Zack Weinberg <zackw@panix.com>
4370 * genautomata.c (process_state_for_insn_equiv_partition):
4371 Use xcalloc for insn_arcs_array.
4372 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4373 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4375 2006-01-24 Richard Henderson <rth@redhat.com>
4377 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4380 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4382 PR rtl-optimization/25890
4383 PR rtl-optimization/25905
4384 * combine.c (expand_compound_operation, expand_field_assignment):
4385 Fail if the bitfield's final position is out of bounds.
4387 2006-01-24 Ian Lance Taylor <ian@airs.com>
4390 * cgraphunit.c (cgraph_output_in_order): Don't clear
4391 cgraph_asm_nodes until after asm strings have been output.
4393 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4395 * fix-header.c (read_scan_file): Add new parameter imultilib when
4396 calling register_include_chains.
4398 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4400 * omp-low.c: Update documentation.
4402 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4403 Daniel Berlin <dberlin@dberlin.org>
4407 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4408 return from the function.
4410 2006-01-22 Zack Weinberg <zackw@panix.com>
4412 * rtl.def (match_code): Add second argument.
4413 * genpreds.c (write_extract_subexp): New function.
4414 (write_match_code): Add path argument. Use write_extract_subexp.
4415 (write_predicate_expr): Pass path to write_match_code.
4416 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4417 not perform a mode test.
4418 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4419 a subexpression does not constrain the top-level code set.
4420 * read-rtl.c (read_rtx_variadic): New function.
4421 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4422 * doc/md.texi: Document new notation.
4423 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4424 (cmpsi_operand): ... here, using new notation.
4426 2006-01-22 Zack Weinberg <zackw@panix.com>
4428 * varray.c: Remove GENERATOR_FILE #ifdefs.
4430 2006-01-22 Zack Weinberg <zackw@panix.com>
4432 * genautomata.c (output_reserved_units_table): Emit nothing if
4433 description->query_units_num is zero. Remove extra blank line.
4434 (output_cpu_unit_reservation_p): Short circuit
4435 if description->query_units_num is zero.
4437 2006-01-22 Zack Weinberg <zackw@panix.com>
4439 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4440 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4441 nor any of the random handful of variables that used to be necessary
4442 when this program was linked with rtlanal.o. Prune set of forward
4443 function declarations.
4444 (struct attr_desc): Remove static_p field.
4445 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4446 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4447 (attr_string): Do not read the character one past the length of
4449 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4450 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4451 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4452 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4453 (make_automaton_attrs): New.
4454 (main): Do not call into genautomata. Call local gen_bypass
4455 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4456 Remove special case for insn_alts.
4457 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4458 varray.h (leftover from previous change). Prune set of forward
4459 function declarations. Remove state_alts fields from all
4460 structures. Remove state_alts_table from struct automaton.
4461 Make everything except main static. Do not maintain num_dfa_decls.
4462 Do not maintain state_alts fields of various structures.
4463 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4464 (add_arc): Remove state_alts argument. All callers updated.
4465 (output_reserved_units_table): Emit #ifdef here...
4466 (output_tables): ...not here. Don't generate state_alts tables.
4467 (expand_automata): Don't generate attributes.
4468 (write_automata): Don't generate state_alts functions.
4469 (main): New function.
4470 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4471 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4472 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4473 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4474 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4475 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4476 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4477 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4479 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4480 * genattrtab.h: Delete file.
4481 * Makefile.in (OBJS-common): Add insn-automata.o.
4482 (insn-automata.o): New rule.
4483 (simple_generated_c): Add insn-automata.c.
4484 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4485 (genprogmd): Add automata.
4486 (build/genattrtab): Needs no extra objects nor libraries.
4487 (build/genautomata): Needs build/vec.o and -lm.
4489 2006-01-22 Zack Weinberg <zackw@panix.com>
4491 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4492 (output_dfa_max_issue_rate, locked_states_num): Delete.
4493 (struct automaton): Add locked_states field.
4494 (output_dead_lock_vect): Save number of locked states in
4495 automaton->locked_states. If it is zero, don't print anything.
4496 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4497 (output_internal_dead_lock_func): Only test the dead_lock_vect
4498 for automata that have locked states.
4499 (output_statistics): Always print the number of locked states for
4500 each automaton. Calculate total number of locked states here.
4501 (write_automata): Don't call output_dfa_max_issue_rate.
4502 * genattrtab.c: Define length_unit_log as a const variable.
4503 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4504 max_insn_queue_index const.
4505 * final.c (length_unit_log): Declare const.
4506 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4508 2006-01-22 Zack Weinberg <zackw@panix.com>
4510 * genautomata.c: Include vec.h, not varray.h.
4511 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4512 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4513 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4514 VEC_* macros operating on appropriately typed vectors, or to
4515 malloced arrays when the size is known in advance. Const-ify
4516 many char* variables and function arguments. No functional changes.
4517 * Makefile.in (build/varray.o): Delete rule.
4518 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4519 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4521 2006-01-22 Zack Weinberg <zackw@panix.com>
4523 * gensupport.c: Define get_insn_name and record_insn_name here.
4524 (read_md_rtx): Call record_insn_name as appropriate.
4525 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4526 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4527 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4529 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4530 (BUILD_VARRAY): Delete.
4531 (genprognormal): Rename genprogmd. Fold in all programs from
4532 genprognoprint; also attrtab.
4533 (build/genattrtab): Just mention genautomata.o and varray.o.
4534 Reorganize a bit, add comments to make the categories clearer.
4536 2006-01-22 Zack Weinberg <zackw@panix.com>
4538 * genconditions.c (condition_table, add_condition): Delete.
4539 (write_conditions): Don't emit n_insn_conditions nor
4540 insn_elision_unavailable. Issue the gcc version #ifdef here,
4541 inside the table, with no #else clause ...
4542 (write_header): ...not here.
4543 (write_writer): New function.
4544 (main): Don't initialize condition_table. Use add_c_test.
4546 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4547 files on the command line.
4548 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4549 Return -1 if there is no entry in the table, don't abort.
4550 (add_c_test, traverse_c_tests): New functions.
4551 * gensupport.h (insn_elision_unavailable, insn_conditions)
4552 (n_insn_conditions): Delete declarations.
4553 (add_c_test, traverse_c_tests): Declare.
4554 * read-rtl.c: Include gensupport.h.
4555 (read_conditions): New function.
4556 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4557 (read_rtx_1): If we get EOF when we were looking for an initial
4558 open paren, return 0. Call read_conditions when appropriate.
4559 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4560 dummy-conditions.o. Eliminate references to insn-conditions.o,
4561 or change them to build/gencondmd.o, as appropriate. Remove
4562 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4563 from $(simple_generated_c). For all files remaining in those
4564 two lists, add insn-conditions.md to the generator command line.
4565 Give insn-constants.h/s-constants their own rules. Add rules
4566 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4567 (build/read-rtl.o): Depend on gensupport.h.
4568 (genprognormal): Include preds.
4569 (genprogearly): Rename genprognoprint; only difference is now that
4570 they don't link with $(BUILD_PRINT).
4571 * dummy-conditions.c: Delete.
4573 2006-01-22 Zack Weinberg <zackw@panix.com>
4575 * genextract.c: Don't include insn-config.h. Do include vec.h.
4576 Declare vectors of int, char, and locstr.
4577 (locstr): New typedef.
4578 (struct extraction): Make all array fields into bare pointers.
4579 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4580 (insn_code_number): Delete.
4581 (accum_extract): New struct.
4582 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4583 (gen_insn): Take insn_code_number as an argument. Use an
4584 accum_extract structure instead of loading data directly into
4585 a struct extraction, and having to know how big it might get.
4586 (walk_rtx): Operate entirely on an accum_extract structure.
4587 (print_path): Avoid unnecessary use of printf.
4588 (print_header): New function, split out of main. Distinguish
4589 more carefully between an unrecognizable insn and an insn that
4590 has the code number of a define_expand.
4591 (main): Pass insn_code_number to gen_insn. Call print_header
4592 only after parsing. Avoid unnecessary use of printf.
4593 * Makefile.in (build/vec.o): New rule.
4594 (build/genextract): Depend on build/vec.o.
4595 (build/genextract.o): Don't depend on insn-config.h.
4597 2006-01-22 Zack Weinberg <zackw@panix.com>
4599 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4600 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4601 practical. Eliminate per-generator-program link rules.
4603 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4606 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4607 with a call expr to ...
4608 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4610 2006-01-23 Richard Guenther <rguenther@suse.de>
4612 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4613 before make_edge with conditional EDGE_TRUE_VALUE.
4615 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4616 Jan Hubicka <jh@suse.cz>
4617 Richard Guenther <rguenther@suse.de>
4619 PR rtl-optimization/25654
4620 * cfgexpand.c (aggregate_contains_union_type): New function.
4621 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4622 for structure variables that contain a union type.
4624 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4626 * gengtype.c (new_structure): Return the structure.
4627 (create_option): Add an extra "next" argument.
4628 (create_field): New function.
4629 (adjust_field_rtx_def): Use create_option and create_field.
4630 Remove a now-unnecessary call to find_structure.
4631 (adjust_field_tree_def): Likewise.
4632 (note_yacc_type): Remove an unnecessary call to find_structure.
4633 * gengtype.h (new_structure): Return the structure.
4634 (create_option): Add an extra argument.
4635 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4636 (option): Adjust calls to create_option.
4638 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4640 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4642 2006-01-22 Paul Brook <paul@codesourcery.com>
4643 Peter Barada <peter@the-baradas.com>
4645 * config/m68k/m68k.md: Add Coldfire FPU support.
4646 Define FP mode macro and associated attributes.
4647 Use it for float mode patterns.
4648 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4649 (LIBCALL_VALUE): Use m68k_libcall_value.
4650 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4651 (m68k_function_value): Ditto.
4652 (emit_move_sequence): Ditto.
4653 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4654 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4655 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4656 (MULTILIB_EXCEPTIONS): Ditto.
4657 * config/m68k/m68k.opt: Add mcfv4e.
4658 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4659 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4660 (m68k_output_function_prologue): Save ColdFire FPU registers.
4661 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4662 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4663 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4664 ColdFire FPU registers.
4665 (m68k_libcall_value, m68k_function_value): New functions.
4666 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4667 (LIBCALL_VALUE): Use m68k_libcall_value.
4668 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4669 (MASK_COLDFIRE): Add MASK_CFV4E.
4670 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4671 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4672 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4673 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4674 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4675 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4676 * doc/invoke.tex: Document -mcfv4e on m68k.
4678 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4680 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4683 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4686 * c-opts.c (c_common_handle_option): Don't include
4687 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4688 * doc/invoke.texi (C++ Dialect Options): Document that
4689 -Wnon-virtual-dtor is no longer included in -Wall.
4691 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4693 * gcov.c (print_version), gcov-dump.c (print_version),
4694 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4697 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4699 * df-scan.c (problem_SCAN): Added NULL reset function.
4700 (df_scan_reset_blocks): Added code to call reset block function
4701 (df_bb_refs_delete) Fixed comment.
4702 (df_insn_refs_delete): Made tolerant of deleting non existent info
4703 for dataflow problems that need to be reset.
4704 * df-core.c (df_set_blocks): Ditto.
4705 * df.h (struct df_problem): Added reset_fun.
4706 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4707 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4708 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4709 functions to clear out all references to def-use or use-def chains.
4711 2006-01-21 Ben Elliston <bje@au.ibm.com>
4713 * varasm.c (assemble_real): Initialise data array.
4715 2006-01-20 Paul Brook <paul@codesourcery.com>
4717 Merge from csl-arm-branch.
4718 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4719 * config/arm/arm.md (movdi): Force operands[1] to a register
4720 if we have a non-register source.
4721 (*arm_movdi, *movdf_soft_insn): Require that one of the
4722 operands be a register.
4723 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4724 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4726 2006-01-20 DJ Delorie <dj@redhat.com>
4728 * varasm.c (initialize_constant_valid_p): Allow pointers
4729 initialized from integer constants of lesser precision.
4730 (output_constant): Allow non-int-sized pointer modes to be
4731 initialized from integer constants.
4733 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4736 * cppdefault.h (struct default_include): Add multilib flag.
4737 * cppdefault.c (cpp_include_defaults): Set it.
4738 * c.opt (-imultilib): New option.
4739 * c-opts.c (imultilib): New.
4740 (c_common_handle_option): Handle -imultilib.
4741 (c_common_post_options): Likewise.
4742 * c-incpath.c (add_standard_paths, register_include_chains):
4744 * c-incpath.h (register_include_chains): Add extra parameter.
4745 * gcc.c (do_spec_1): Generate -imultilib option.
4746 (The Specs Language): Update %I description.
4747 (process_command): Update copyright notice.
4748 * doc/cppopts.texi (-imultilib): Document.
4749 * doc/invoke.texi (-imultilib): Include in option summary.
4750 (%I): Update specs documentation.
4752 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4754 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4756 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4758 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4761 2006-01-20 Richard Guenther <rguenther@suse.de>
4762 Steven Bosscher <stevenb.gcc@gmail.com>
4764 PR rtl-optimization/24626
4765 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4766 EDGE_TRUE_VALUE if in RTL mode.
4769 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4770 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4772 2006-01-20 Dirk Mueller <dmueller@suse.com>
4775 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4776 instead of a special NOP marker.
4777 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4778 NOP marker handling.
4779 * c-common.h (empty_body_warning): Add forward declaration.
4780 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4781 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4783 2006-01-20 Paul Brook <paul@codesourcery.com>
4785 * Makefile.in (lang_checks): Keep going if mkdir fails.
4787 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4789 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4790 be able to clean out basic block when not necessary.
4791 (df_scan_free): Fixed to properly delete information if df is
4792 unused before calling df_finish.
4793 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4794 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4796 (df_bb_refs_delete): New function.
4797 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4798 * df-core.c (df_set_blocks): Added code to properly clean out
4799 unused blocks if they are not part of the blocks to consider.
4800 Added additional null check.
4801 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4802 be able to clean out basic block when not necessary
4803 * df.h (df_free_bb_function): Ditto.
4804 (df_bb_refs_delete): New function.
4805 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4806 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4807 basic block parameter to be able to clean out basic block when not
4809 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4810 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4811 Fixed to properly delete information if df is unused before
4814 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4816 PR rtl-optimization/25799
4817 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4818 Corrected confluence operator to remove bits from op2 before oring
4819 with op1 rather than removing bits from op1.
4820 (df_ru_transfer_function): Corrected test on wrong bitmap which
4821 caused infinite loop. Both of these problems were introduced in
4822 the dataflow rewrite.
4824 2006-01-19 DJ Delorie <dj@redhat.com>
4826 * reload1.c (find_reload_regs): Note the details of reload
4827 failures in the dump file.
4828 (spill_failure): Likewise.
4830 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4832 * loop-iv.c: Include df.h and hashtab.h.
4833 (enum iv_grd_result): New enum.
4834 (DF_REF_IV, DF_REF_IV_SET): New macros.
4835 (struct biv_entry): New.
4836 (df, bivs): New global variables.
4837 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4838 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4840 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4841 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4842 analyzed_for_bivness_p, record_biv): New functions.
4843 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4844 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4845 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4847 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4849 (iv_number_of_iterations): Use new interface to iv analysis.
4850 * loop-unroll.c: Do not include varray.h.
4851 (analyze_iv_to_split_insn): Use new interface to iv
4853 * loop-unswitch.c (may_unswitch_on): Ditto.
4854 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4856 (df_bb_modify): Realloc tables to the new index.
4857 (df_find_use): New function.
4858 * df.h (df_find_use): Declare.
4859 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4861 * cfgloop.h (struct rtx_iv): Remove analysed field.
4862 (iv_get_reaching_def): Removed.
4863 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4864 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4865 (loop-iv.o): Add df.h and hashtab.h dependency.
4866 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4868 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4871 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4873 (__floatundisf, __floatundidf): Likewise.
4874 * libgcc2.h (IS_IBM_EXTENDED): Define.
4876 2006-01-19 DJ Delorie <dj@redhat.com>
4878 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4880 2006-01-19 Paul Brook <paul@codesourcery.com>
4882 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4883 as nothrow when unwinding tables are disabled.
4885 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4888 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4889 of bit-field" when in system header.
4891 2006-01-19 DJ Delorie <dj@redhat.com>
4893 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4894 the 16 bit shift limit of the m16c.
4896 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4899 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4900 * config/i386/i386.c (output_set_got): Output the label if we have one
4901 for the TARGET_DEEP_BRANCH_PREDICTION case.
4903 2006-01-19 Jan Hubicka <jh@suse.cz>
4904 H.J. Lu <hongjiu.lu@intel.com>
4905 Evandro Menezes <evandro.menezes@amd.com>
4907 * invoke.texi (generic): Document
4909 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4910 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4911 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4912 (x86_use_incdec, x86_pad_returns): New variables
4913 (TARGET_CPU_DEFAULT_generic): New constant
4914 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4915 (enum processor_type): Add generic32 and generic64.
4916 * i386.md (cpu attribute): Add generic32/generic64
4917 (movhi splitter): Behave sanely when both partial_reg_dependency and
4918 partial_reg_stall are set.
4919 (K8 splitters): Enable for generic as well.
4920 * predicates.md (incdec_operand): Use TARGET_INCDEC
4921 (aligned_operand): Avoid memory mismatch stalls.
4922 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4923 * ppro.md: Enable for generic32
4924 * i386.c (generic64_cost, generic32_cost): New.
4925 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4926 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4927 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4928 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4929 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4930 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4931 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4932 x86_accumulate_outgoing_args, x86_prologue_using_move,
4933 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4934 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4936 (x86_use_incdec, x86_pad_returns): New.
4937 (override_options): Add generic32 and generic64, translate "generic"
4938 to generic32/generic64 and "i686" to "generic32", refuse
4939 "generic32"/"generic64" as arch target.
4940 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4941 (ix86_reorg): Honor PAD_RETURNS.
4943 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4945 * tree-pretty-print.c (dump_generic_node): Handle
4946 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4947 * cgraph.c (cgraph_expand_queue): Rename from
4948 cgraph_analyze_queue. Update all users.
4949 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4950 cgraph_expand_queue.
4951 (cgraph_expand_all_functions): Likewise.
4952 (cgraph_finalize_pending_functions): Remove. Update callers.
4954 * tree.h (OMP_DIRECTIVE_P): Define.
4955 (OMP_PARALLEL_FN): Define.
4956 (OMP_PARALLEL_DATA_ARG): Define.
4957 (OMP_SECTIONS_SECTIONS): Define.
4958 * tree-pass.h (pass_expand_omp): Declare.
4959 * omp-low.c (struct omp_region): Declare.
4960 (struct omp_context): Remove fields 'parallel_type',
4961 'parallel_start_ix' and 'parallel_start_additional_args'.
4963 (struct omp_for_data): Rename from struct expand_omp_for_data.
4964 (omp_regions): New static variable.
4965 (root_omp_region): New static variable.
4966 (find_omp_clause): Make static.
4967 (is_in_combined_parallel_ctx): Remove.
4968 (is_combined_parallel): New.
4969 (extract_omp_for_data): Move earlier in the file.
4970 (workshare_safe_to_combine_p): New.
4971 (get_ws_args_for): New.
4972 (determine_parallel_type): Move earlier in the file.
4973 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4975 (omp_copy_decl): Likewise.
4976 (create_omp_child_function): Likewise.
4977 (lookup_omp_region): New.
4978 (dump_omp_region): New.
4979 (debug_omp_region): New.
4980 (debug_all_omp_regions): New.
4981 (new_omp_region): New.
4982 (scan_omp_parallel): If parallel_nesting_level > 1, the
4983 directive is nested within another parallel directive.
4984 Set OMP_PARALLEL_FN.
4985 (scan_omp_for): Do not try to handle combined parallel+for
4987 Remove FIXME comment.
4988 (scan_omp_nested): Remove.
4989 (scan_omp_1): Do not call scan_omp_nested when
4990 parallel_nesting_level is > 1.
4991 Do not change the DECL_CONTEXT of local variables found.
4992 (lookup_decl_in_outer_ctx): New.
4993 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4994 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4995 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4996 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4997 If CTX is nested, lookup VAR in the outer context when
4998 building copy assignment.
4999 (lower_send_clauses): Rename from expand_send_clauses.
5000 If CTX is nested, lookup VAR in the outer context when
5001 building copy assignments.
5002 (lower_send_shared_vars): Rename from expand_send_shared_vars.
5003 If CTX is nested, lookup VAR in the outer context when
5004 building copy assignments.
5005 (expand_parallel_call): Rename from build_parallel_call.
5006 Handle combined parallel+workshare cases.
5007 Re-implement to emit code into the CFG.
5009 (expand_omp_parallel): Re-implement to emit code into the CFG.
5010 Call move_sese_region_to_fn to outline the sub-graph
5011 containing the parallel region.
5012 (expand_omp_for_1): Remove.
5013 (expand_omp_for_generic): Re-implement to emit code into the
5015 (expand_omp_for_static_nochunk): Likewise.
5016 (expand_omp_for_static_chunk): Likewise.
5017 (expand_omp_for): Likewise.
5018 (expand_omp_sections): Likewise.
5019 (remove_exit_barriers): New.
5020 (expand_omp_synch): New.
5022 (build_omp_regions_1): New.
5023 (build_omp_regions): New.
5024 (execute_expand_omp): New.
5025 (gate_expand_omp): New.
5026 (pass_expand_omp): Define.
5027 (lower_omp_sections): Rename from expand_omp_sections.
5028 Set OMP_SECTIONS_SECTIONS.
5029 (lower_omp_single_simple): Rename from expand_omp_single_simple.
5030 (lower_omp_single_copy): Rename from expand_omp_single_copy.
5031 (lower_omp_single): Rename from expand_omp_simple.
5032 (lower_omp_master): Rename from expand_omp_master.
5033 (lower_omp_ordered): Rename from expand_omp_ordered.
5034 (lower_omp_critical): Rename from expand_omp_critical.
5035 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
5036 (lower_omp_for): Re-implement.
5037 (lower_omp_parallel): Re-implement.
5038 (lower_regimplify): Rename from expand_regimplify.
5039 (lower_omp_1): Rename from expand_omp_1.
5040 If there are syntax errors in the program, replace every
5041 OpenMP directive with NOP.
5042 Call lower_omp_* instead of expand_omp_*.
5043 (lower_omp): Rename from expand_omp.
5045 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
5046 * tree-gimple.h (enum omp_parallel_type): Remove.
5047 (gimple_boolify): Declare extern.
5048 (find_omp_clause, determine_parallel_type): Remove.
5050 * gimple-low.c (lower_omp_directive): New.
5051 (lower_stmt): Call it.
5052 (record_vars_into): Move from ...
5053 (record_vars): ... here.
5054 Call record_vars_into with current_function_decl.
5056 * gimplify.c (struct gimplify_ctx): Remove fields
5057 combined_pre_p and combined_ctxp. Update users.
5058 (get_formal_tmp_var): Add documentation.
5059 (gimple_boolify): Make extern.
5060 (gimplify_expr_in_ctx): Remove. Update callers.
5061 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
5062 will always be a BIND_EXPR.
5063 (gimplify_expr): Handle OMP_RETURN_EXPR.
5064 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
5065 (OMP_PARALLEL): Add 3 operands.
5066 (OMP_SECTIONS): Add 1 operand.
5067 (OMP_RETURN_EXPR): Define.
5069 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
5070 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
5071 * tree-iterator.c (alloc_stmt_list): Assert that we are not
5072 creating a circular free list.
5073 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
5075 * tree-flow.h (move_sese_region_to_fn): Declare.
5076 (record_vars_into): Declare.
5077 * tree-cfg.c (make_omp_sections_edges): New.
5078 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
5079 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
5080 OMP_SECTIONS and OMP_SECTION.
5081 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
5082 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
5083 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
5084 (gather_blocks_in_sese_region): New.
5085 (struct move_stmt_d): Declare.
5087 (move_block_to_fn): New.
5088 (move_sese_region_to_fn): New.
5090 * passes.c (init_optimization_passes): Schedule
5091 pass_expand_omp after pass_init_datastructures.
5093 * tree-ssa-operands.c (get_expr_operands): Handle
5094 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
5095 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
5097 2006-01-19 Jeff Law <law@redhat.com>
5099 * tree-vrp.c (extract_range_from_assert): Refine the result range
5100 if the variable referenced by the ASSERT_EXPR has a range and
5101 either the tentative result range or the previous range is a
5104 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5106 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
5108 2006-01-19 Jan Hubicka <jh@suse.cz>
5110 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
5112 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
5114 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
5115 (expand_compound_operation, expand_field_assignment): Fail if the
5116 bit lengths of an extract operation are out of range.
5117 (make_extraction): Compute wanted_inner_mode based on the position
5118 and length of the extraction. Make it extraction_mode for non-constant
5119 positions, and do not modify offset in that case. When generating a
5120 new MEM, use a mode that can hold the extraction while keeping correct
5121 alignment. Remove code that supported MEMs wrapped by USEs.
5122 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
5124 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
5126 * config/s390/s390.md ("Y", "y"): New mode attribute.
5127 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5128 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
5129 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
5130 "*addsi3_imm_cc", "*addsi3_carry1_cc",
5131 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
5132 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
5133 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
5134 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
5135 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
5136 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
5137 "addsi3", "subsi3"): Insn patterns removed.
5138 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
5139 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
5140 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
5141 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
5142 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
5143 "*sub<mode>3_cconly2"): New insn patterns.
5144 ("addsi3", "subsi3"): New expanders.
5146 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
5148 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
5149 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
5150 existing STMT_VINFO_VECTYPE if available.
5151 (vect_mark_relevant): Add special handling for stmts that are
5152 marked as STMT_VINFO_IN_PATTERN_P.
5153 (vect_analyze_loop): Call vect_pattern_recog.
5154 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
5155 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
5157 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
5158 (vect_recog_func_ptr): New function-pointer type.
5159 * tree-vect-patterns.c: New file.
5160 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
5161 (vect_recog_dot_prod_pattern, vect_pattern_recog):
5162 (vect_pattern_recog_1): New functions.
5163 (vect_pattern_recog_funcs): New array of function pointers.
5165 * tree-vectorizer.h (ternary_op): New enum value.
5166 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
5167 declaration. Revised documentation. Removed redundant dump prints.
5168 Removed redundant argument. Added support for reduction patterns.
5169 (vectorizable_reduction): Added support for reduction patterns.
5170 (vect_transform_stmt): Added support for patterns.
5172 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
5173 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
5174 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
5175 (expand_widen_pattern_expr): New function.
5176 (init_optabs): Initialize new optabs udot_prod_optab,
5178 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
5179 (sdot_prod_optab, udot_prod_optab): Define new optabs.
5180 (expand_widen_pattern_expr): New function declaration.
5181 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
5183 * tree-inline.c (estimate_num_insns_1): Added cases for new
5184 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5185 * tree-pretty-print.c (dump_generic_node): Likewise.
5186 (op_prio): Likewise.
5187 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5188 * tree-ssa-operands.c (get_expr_operands): Added case for
5190 * tree-vect-patterns.c (widened_name_p): New function.
5191 (vect_recog_dot_prod_pattern): Added function implementation.
5192 * tree-vect-transform.c (get_initial_def_for_reduction): Added
5193 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
5194 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
5195 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
5197 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
5198 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
5199 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
5200 (init_optabs): Initialize new optabs widen_ssum_optab,
5202 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
5203 (widen_ssum_optab, widen_usum_optab): Define new optabs.
5204 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
5205 use instead of type of def.
5206 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
5207 function implementation.
5208 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
5209 widen_ssumv8hi): New.
5211 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
5214 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5217 * c-decl.c (add_flexible_array_elts_to_size): New function.
5218 (finish_decl): Use it.
5220 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5222 * diagnostic.h: Include options.h.
5223 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
5224 dependancies for diagnostic.h.
5225 * Makefile.in (DIAGNOSTIC_H): Add options.h.
5227 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
5229 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
5230 (ssa_ro_call_cache_valid): Ditto.
5231 * tree-ssa-alias.c (sort_tags_by_id): New function.
5232 (init_transitive_clobber_worklist): Ditto.
5233 (add_to_worklist): Ditto.
5234 (mark_aliases_call_clobbered): Ditto.
5235 (compute_tag_properties): Ditto.
5236 (set_initial_properties): Ditto.
5237 (compute_call_clobbered): Ditto.
5238 (compute_may_aliases): Call compute_call_clobbered and grouping.
5239 (compute_flow_sensitive_aliasing): Remove clobbering related code.
5240 (compute_flow_insensitive_aliasing): Grouping now happens in our
5242 (setup_pointers_and_addressables): Remove clobbering related code.
5243 (add_may_alias): Ditto.
5244 (replace_may_alias): Ditto.
5245 (get_nmt_for): Ditto.
5246 (create_global_var):
5247 (is_escape_site): Return an escape_type enumeration.
5248 * tree-flow-inline.h (is_call_clobbered): Global var does not
5249 imply call clobbered.
5250 (mark_call_clobbered): Take a reason for marking this. Remove
5251 marking of globalness, and cache invalidation.
5252 (clear_call_clobbered): Remove cache invalidation code.
5253 * tree-dfa.c (dump_variable): If details is on, dump the reason
5255 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5257 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5258 (struct var_ann_d): Ditto.
5259 (enum escape_type): New.
5260 (mark_call_clobbered): Adjust prototype.
5261 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5262 are never call clobbered.
5263 Record reasons for escaping.
5264 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5265 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5266 (ssa_ro_call_cache_valid): Ditto.
5267 (clobbered_v_may_defs): Ditto.
5268 (clobbered_vuses): Ditto.
5269 (ro_call_vuses): Ditto.
5270 (clobber_stats): New.
5271 (init_ssa_operands): Zero out clobber stats.
5272 (fini_ssa_operands): Print out clobber stats.
5273 (get_call_expr_operands): Pass callee fndecl to
5275 (add_call_clobber_ops): Remove use of cache.
5276 Add use of PURE_CONST information.
5277 (add_call_read_ops): Remove use of cache.
5278 Add use of static not_read information.
5280 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5282 Introduce TLS descriptors for i386 and x86_64.
5283 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5284 (TARGET_ANY_GNU_TLS): New macro.
5285 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5286 (struct machine_function): Add tls_descriptor_call_expanded_p.
5287 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5288 (ix86_current_function_calls_tls_descriptor): Likewise.
5289 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5290 (override_options): Introduce gnu2 tls dialect.
5291 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5293 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5295 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5296 (ix86_init_machine_status): Initialize new field.
5297 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5298 (ix86_tls_module_base): New.
5299 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5300 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5301 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5302 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5303 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5304 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5305 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5306 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5307 * config/i386/predicates.md (tls_modbase_operand): New.
5308 (tp_or_register_operand): New.
5310 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5312 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5313 (look_for_address_of): Ditto.
5314 (ipa_init): Walk the function decls.
5315 (static_execute): Don't set readonly on FUNCTION_DECL's.
5317 2006-01-18 Roger Sayle <roger@eyesopen.com>
5319 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5320 for shifts where the source and destination registers are different.
5322 2006-01-18 Paul Brook <paul@codesourcery.com>
5324 Merge from csl-arm-branch.
5325 2005-03-14 Julian Brown <julian@codesourcery.com>
5326 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5327 (aeabi_llsl): Likewise.
5328 (ashrdi3): Likewise.
5329 (aeabi_lasr): Likewise.
5330 (lshrdi3): Likewise.
5331 (aeabi_llsr): Likewise.
5332 2005-03-10 Julian Brown <julian@codesourcery.com>
5333 * config.gcc: Disable shared libgcc for SymbianOS.
5334 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5336 2006-01-18 DJ Delorie <dj@redhat.com>
5338 * c-pragma.c (handle_pragma_diagnostic): New.
5339 (init_pragma): Register it.
5340 * doc/extend.texi: Document it.
5342 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5343 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5344 (diagnostic_context): Add classify_diagnostic[].
5345 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5346 as errors if they're overridden to DK_WARNING.
5347 (diagnostic_initialize): Initialize classify_diagnostic[].
5348 (diagnostic_set_kind_override): New.
5349 (diagnostic_report_diagnostic): Check for kind changes.
5350 * opts.c (common_handle_option): Take lang_mask. Update callers.
5352 * common.opt (Werror=): New.
5353 * doc/invoke.texi: Document -Werror=*
5355 2006-01-18 Jeff Law <law@redhat.com>
5357 * tree-vrp.c (test_for_singularity): Correct test for new
5358 min limit. Use operand_equal_p rather than pointer equality
5359 for testing if new min/max values are equal.
5361 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5362 using range information until after propagation and folding.
5364 2006-01-18 Richard Henderson <rth@redhat.com>
5365 Aldy Hernandez <aldyh@redhat.com>
5366 Jakub Jelinek <jakub@redhat.com>
5367 Diego Novillo <dnovillo@redhat.com>
5369 * omp-low.c: New file.
5370 * c-omp.c: New file.
5372 2006-01-18 Richard Henderson <rth@redhat.com>
5373 Jakub Jelinek <jakub@redhat.com>
5374 Diego Novillo <dnovillo@redhat.com>
5376 * doc/invoke.texi: Document -fopenmp.
5377 * tree-dump.h (debug_function): Declare.
5378 * hooks.c (hook_bool_tree_bool_false): New function.
5379 (hook_tree_tree_null): Remove.
5380 (hook_tree_tree_tree_null): New.
5381 * hooks.h: Update to match.
5382 * tree-pretty-print.c (debug_tree_chain): New.
5383 (print_generic_expr): Handle TDF_CHAIN.
5384 (dump_generic_node): Handle BLOCK.
5385 Do not abort with incomplete SWITCH_EXPRs.
5386 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5387 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5388 print space after directive name.
5389 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5390 Handle OMP_MASTER and OMP_ORDERED.
5391 Handle printing of OMP_BODY just in one place, goto
5392 dump_omp_body in the rest of OMP_* nodes that have
5394 Don't handle clause nodes here. Update omp statements to
5395 use dump_omp_clauses.
5396 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5397 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5398 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5399 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5400 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5401 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5402 Adjust output for GOMP_PARALLEL.
5403 (dump_omp_clauses): New.
5404 (print_declaration): Dump DECL_VALUE_EXPR.
5405 (op_symbol_1): Split out of op_symbol.
5406 (dumping_stmts): Remove. Update all users.
5407 * cgraph.c (cgraph_analyze_queue): New.
5408 (cgraph_add_new_function): New.
5409 * cgraph.h (cgraph_analyze_queue): Declare.
5410 (cgraph_add_new_function): Declare.
5411 (cgraph_lower_function): Remove.
5412 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5413 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5414 and TYPE_P nodes in its default clause.
5415 (empty_body_p): New.
5416 (tree_range_check_failed): New.
5418 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5419 OMP_CLAUSE_REDUCTION_MERGE,
5420 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5421 OMP_CLAUSE_PRIVATE_DEBUG,
5422 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5423 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5424 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5425 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5426 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5427 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5428 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5429 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5430 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5431 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5432 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5433 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5434 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5435 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5436 (TREE_RANGE_CHECK): New.
5437 (empty_body_p): Declare.
5438 (enum omp_clause_default_kind): New.
5439 (build_string_literal): Declare.
5440 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5441 (build5_stat, build5): Declare.
5442 * tree-pass.h (TDF_CHAIN): Define.
5443 * tree-pass.h (PROP_gimple_lomp): Define.
5444 (pass_lower_omp): Declare.
5445 * diagnostic.h (debug_tree_chain): Declare.
5446 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5448 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5449 * builtins.c (build_string_literal): Make extern.
5450 * gcc.c (include_spec_function): New.
5451 (static_spec_functions): Add it.
5452 (main): Move load of libgomp.spec ...
5453 (LINK_COMMAND_SPEC): ... here.
5454 (link_gomp_spec): New.
5455 (static_specs): Include it.
5456 (LINK_COMMAND_SPEC): Add link_gomp.
5457 (GOMP_SELF_SPECS): New.
5458 (driver_self_specs): Include it.
5459 (switch_matches): Don't mark inline.
5460 (main): Load libgomp.spec.
5461 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5462 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5463 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5464 * tree-gimple.h (enum omp_parallel): Declare.
5465 (determine_parallel_type): Declare.
5466 (omp_firstprivatize_variable): Declare.
5467 (omp_reduction_init): Declare.
5468 (diagnose_omp_structured_block_errors): Declare.
5469 (struct walk_stmt_info): Add want_return_expr.
5470 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5471 (find_omp_clause): Declare.
5472 (insert_field_into_struct): Declare.
5473 (struct walk_stmt_info): Move from tree-nested.c
5474 (walk_stmts): Declare.
5475 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5477 * cgraphunit.c (cgraph_lower_function): Make static.
5478 (cgraph_finalize_pending_functions): New.
5479 (cgraph_finalize_function): Call it.
5480 (cgraph_finalize_compilation_unit): Likewise.
5481 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5482 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5483 (BT_FN_UINT_UINT): New.
5484 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5485 DEF_FUNCTION_TYPE_VAR_4): Document.
5486 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5487 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5488 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5489 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5490 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5491 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5492 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5493 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5494 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5495 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5496 into separate files.
5497 (DEF_GOMP_BUILTIN): New.
5498 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5499 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5500 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5501 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5502 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5503 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5504 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5505 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5506 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5507 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5508 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5509 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5510 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5511 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5512 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5513 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5514 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5515 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5516 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5517 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5518 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5519 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5520 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5521 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5522 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5523 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5524 * sync-builtins.def: New file, moved from builtins.def.
5525 * omp-builtins.def: New file, moved from builtins.def.
5526 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5527 * gimple-low.c (lower_function_body): Clear data.
5528 (lower_stmt): Do not handle COMPOUND_EXPR.
5529 Remove call to print_node_brief.
5530 * c-tree.h (c_finish_omp_clauses): New prototype.
5531 (C_DECL_THREADPRIVATE_P): Define.
5532 (lookup_name_no_remap, c_omp_remap_private): Remove
5533 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5534 (check_for_loop_decls): Update decl.
5535 (lookup_name_no_remap, c_omp_remap_private): Declare.
5536 (build_indirect_ref, build_modify_expr, pushdecl,
5537 pushdecl_top_level): Move to c-common.h.
5538 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5539 before the switch, but just in the 2 places that need it.
5540 * c-decl.c (diagnose_mismatched_decls): Do not check for
5541 mismatched thread-local attributes when OLDDECL is marked
5542 threadprivate and NEWDECL has no thread-local attributes.
5543 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5544 (c_gimple_diagnostics_recursively): Rename from
5545 c_warn_unused_result_recursively. Invoke
5546 diagnose_omp_structured_block_errors.
5547 (check_for_loop_decls): Return a singular decl found.
5548 * langhooks.c (lhd_omp_predetermined_sharing): Return
5549 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5550 (lhd_omp_firstprivatize_type_sizes): New.
5551 (lhd_omp_assignment): New.
5552 (lhd_omp_predetermined_sharing): New.
5553 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5554 (struct lang_hooks_for_types): Add
5555 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5556 omp_predetermined_sharing, omp_disregard_value_expr,
5557 omp_private_debug_clause, omp_clause_default_ctor,
5558 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5559 (c_finish_omp_clauses): New.
5560 (c_finish_bc_stmt): Diagnose break within omp for.
5561 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5562 (build_unary_op): Return error_mark after reporting
5564 (build_modify_expr): Likewise.
5565 * gimplify.c: Include optabs.h and pointer-set.h.
5566 (enum gimplify_omp_var_data): Declare.
5567 (struct gimplify_omp_ctx): Declare.
5568 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5570 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5571 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5572 (splay_tree_compare_decl_uid): New.
5573 (new_omp_context): New.
5574 (delete_omp_context): New.
5575 (gimple_add_tmp_var): Call omp_add_variable.
5576 (gimplify_bind_expr): Likewise.
5577 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5578 true, disregard DECL_VALUE_EXPR on the decl if any.
5579 (gimplify_expr_in_ctx): New.
5580 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5581 omp_add_variable, omp_notice_variable, omp_is_private
5582 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5583 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5584 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5585 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5586 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5587 gimplify_omp_atomic): New.
5588 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5589 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5590 OMP_CRITICAL and OMP_ATOMIC.
5591 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5592 * c-pragma.h (enum pragma_kind): Add
5593 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5594 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5595 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5596 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5597 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5598 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5599 PRAGMA_OMP_THREADPRIVATE.
5600 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5601 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5602 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5603 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5604 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5605 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5606 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5607 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5608 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5609 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5610 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5611 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5612 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5614 (struct nesting_info): Add field_map,
5615 suppress_expansion, debug_var_chain.
5616 (create_nesting_tree): Initialize them.
5617 (lookup_field_for_decl): Use field_map.
5618 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5619 (convert_local_omp_clauses): New.
5620 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5621 (walk_body): Split out of walk_function.
5622 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5623 (convert_nonlocal_reference): Handle omp statements.
5624 (convert_local_reference): Likewise.
5625 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5626 (unnest_nesting_tree): New.
5627 (lower_nested_functions): Call it.
5628 (insert_field_into_struct): Make extern.
5629 (struct walk_stmt_info): Move to tree-gimple.h.
5630 (walk_stmts): Make extern.
5631 * omp-builtins.def: New file.
5632 * tree-iterator.c (expr_only): Clarify comment.
5633 * c-common.h (pushdecl_top_level, pushdecl,
5634 build_modify_expr, build_indirect_ref,
5635 c_finish_omp_master, c_finish_omp_critical,
5636 c_finish_omp_ordered, c_finish_omp_barrier,
5637 c_finish_omp_atomic, c_finish_omp_flush,
5638 c_finish_omp_for, c_split_parallel_clauses,
5639 omp_clause_default_kind, c_omp_sharing_predetermined,
5640 c_omp_remap_decl): Declare.
5641 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5642 (OBJS-common): Add omp-low.o.
5643 (c-omp.o, omp-low.o): Add.
5644 (gimplify.o): Add dependency on $(OPTABS_H).
5645 (GTFILES): Add omp-low.c.
5646 (gt-stringpool.h): Add.
5647 * tree-cfg.c (set_bb_for_stmt): Do not update the
5648 block-to-labels map if we are currently expanding to RTL.
5649 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5651 Handle IDENTIFIER_NODE.
5652 (tree_verify_flow_info): Do not ICE when emitting error
5653 messages about invalid labels.
5654 (dump_function_to_file): Reset CFUN before emitting the body
5656 (debug_function): New.
5657 * passes.c (init_optimization_passes): Schedule
5659 * langhooks-def.h (lhd_omp_predetermined_sharing,
5660 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5662 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5663 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5664 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5665 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5666 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5667 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5668 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5669 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5670 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5671 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5672 (LANG_HOOK_DECLS): Use them.
5674 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5675 Richard Henderson <rth@redhat.com>
5676 Jakub Jelinek <jakub@redhat.com>
5677 Diego Novillo <dnovillo@redhat.com>
5679 * c-parser.c (pragma_omp_clause): Define.
5680 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5681 (c_parser_compound_statement): Likewise.
5682 (c_parser_statement): Likewise.
5683 (c_parser_pragma): Handle omp pragmas.
5684 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5685 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5686 (c_parser_omp_clause_name, check_no_duplicate_clause,
5687 c_parser_omp_variable_list,
5688 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5689 c_parser_omp_clause_copyprivate,
5690 c_parser_omp_clause_default,
5691 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5692 c_parser_omp_clause_lastprivate,
5693 c_parser_omp_clause_nowait,
5694 c_parser_omp_clause_num_threads,
5695 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5696 c_parser_omp_clause_reduction,
5697 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5698 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5699 c_parser_omp_atomic, c_parser_omp_barrier,
5700 c_parser_omp_critical, c_parser_omp_flush,
5701 c_parser_omp_for_loop, c_parser_omp_for,
5702 c_parser_omp_master, c_parser_omp_ordered,
5703 c_parser_omp_sections_scope, c_parser_omp_sections,
5704 c_parser_omp_parallel, c_parser_omp_single,
5705 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5706 * c-pragma.c (init_pragma): Do omp pragma registration here.
5707 * c.opt (fopenmp): New flag.
5709 2006-01-18 Eric Christopher <echristo@apple.com>
5711 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5712 * config/darwin.h (GOMP_SELF_SPECS): Define.
5714 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5716 * rtl.h: Remove the prototype for reg_alloc.
5718 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5721 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5722 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5723 sjlj and dwarf2 exception handling.
5724 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5725 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5726 * pa/pa.c (function_value): Treat complex and vector types as
5728 (function_arg): Likewise. Only pass scalar floats in the floating
5729 point argument registers.
5730 * pa/t-slibgcc-dwarf-ver: New file.
5731 * pa/t-slibgcc-sjlj-ver: New file.
5732 * pa/t-slibgcc-elf-ver: Delete file.
5734 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5736 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5737 unlikely_test_section_p test.
5739 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5741 * mode-switching.c (optimize_mode_switching): Make it static.
5742 * basic-block.h: Remove the prototype for
5743 optimize_mode_switching.
5745 * modulo-sched.c (sms_schedule): Make it static.
5746 * rtl.h: Remove the prototype for sms_schedule.
5748 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5749 * rtl.h: Remove the prototype for gcse_after_reload_main.
5751 * reg-stack.c (reg_to_stack): Make it static.
5752 * rtl.h: Remove the prototype for reg_to_stack.
5754 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5756 * rtl.h: Remove the prototypes for regrename_optimize and
5757 copyprop_hardreg_forward.
5759 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5761 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5762 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5763 Test against the appropriate null constant for the mode.
5764 If 'fixup_overlap' is true, swap the operands if they overlap.
5765 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5766 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5767 alpha_split_tmode_pair and adjust for above change.
5768 * config/alpha/alpha.md (movtf_internal): Adjust call to
5769 alpha_split_tfmode_pair and rely on it to swap the operands.
5770 (movti_internal): New insn and post-reload splitter.
5771 (movti): New expander.
5773 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5775 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5778 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5780 * rtlanal.c (global_reg_mentioned_p_1,
5781 global_reg_mentioned_p): Remove.
5782 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5784 * flow.c (initialize_uninitialized_subregs): Make it static.
5785 * rtl.h: Remove the prototype for
5786 initialize_uninitialized_subregs.
5788 * function.c (instantiate_virtual_regs): Make it static.
5789 * function.h: Remove the prototype for
5790 instantiate_virtual_regs.
5792 * regmove.c (regmove_optimize, combine_stack_adjustments):
5794 * rtl.h: Remove the prototypes for regmove_optimize and
5795 combine_stack_adjustments.
5797 2006-01-17 Roger Sayle <roger@eyesopen.com>
5799 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5800 (size_cost): Encode costs in bytes so that a reg-reg addition is
5801 equivalent to COSTS_N_INSNS(1).
5802 (override_options): Use the size_cost.branch_cost as the default
5803 ix86_branch_cost when optimizing for size.
5805 2006-01-18 Ben Elliston <bje@au.ibm.com>
5807 * Makefile.in (D32PBIT_FUNCS): New.
5808 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5809 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5810 D64PBIT_FUNCS and D128PBIT_FUNCS.
5811 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5812 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5814 (decnumber_dep): Define.
5815 * doc/libgcc.texi (Decimal float library routines): New node.
5816 * config/dfp-bit.h, config/dfp-bit.c: New files.
5818 2006-01-18 Ben Elliston <bje@au.ibm.com>
5820 * expr.c (emit_move_change_mode): Always adjust addresses, not
5821 just during reload. Copy replacements only during reload.
5822 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5823 emit_move_via_integer.
5825 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5827 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5828 instead of $(srcdir) and ${srcdir}.
5830 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5834 * arm.h (struct machine_function): Add pic_reg.
5835 * arm.c (arm_pic_register): Make unsigned.
5836 (arm_override_options): Only set arm_pic_register if
5837 TARGET_SINGLE_PIC_BASE.
5838 (use_return_insn): Only test for a pic register if it is fixed.
5839 (arm_compute_save_reg0_reg12_mask): Likewise.
5840 (thumb_compute_save_reg_mask): Likewise.
5841 (legitimate_pic_operand): Factor out some known invariants.
5842 (legitimize_pic_address): If we don't have a fixed pic register,
5843 then set up a pseudo in the function entry sequence. Handle the
5844 pic base being in a pseudo.
5845 (arm_load_pic_register): Handle the pic register being in a pseudo.
5846 (arm_expand_prologue): Only set up the pic register if it is fixed.
5847 (thumb_expand_prologue): Likewise.
5848 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5849 (pic_load_addr_based_insn): Likewise.
5850 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5853 2006-01-18 Ben Elliston <bje@au.ibm.com>
5855 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5856 decimal float modes for all floating point registers.
5858 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5859 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5861 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5864 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5865 even when the pointer is not NULL.
5867 2006-01-16 Ian Lance Taylor <ian@airs.com>
5869 * common.opt (ftoplevel-reorder): New option.
5870 * cgraph.c (cgraph_asm_nodes): New global variable.
5871 (cgraph_asm_last_node): New static variable.
5872 (cgraph_order): New global variable.
5873 (cgraph_create_node): Set new order field.
5874 (cgraph_varpool_node): Likewise.
5875 (decide_is_variable_needed): Return true if not
5876 flag_toplevel_reorder.
5877 (cgraph_add_asm_node): New function.
5878 * cgraph.h (struct cgraph_node): Add order field.
5879 (struct cgraph_varpool_node): Add order field.
5880 (struct cgraph_asm_node): Define.
5881 (cgraph_asm_nodes, cgraph_order): Declare.
5882 (cgraph_add_asm_node): Declare.
5883 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5885 (cgraph_varpool_assemble_pending_decls): Call it.
5886 (cgraph_output_pending_asms): New static function.
5887 (cgraph_finalize_compilation_unit): Call it.
5888 (struct cgraph_order_sort): Define.
5889 (cgraph_output_in_order): New static function.
5890 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5891 !flag_toplevel_reorder case.
5892 * c-parser.c: Include "cgraph.h".
5893 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5895 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5896 than -fno-unit-at-a-time.
5897 * doc/invoke.texi (Option Summary): Mention
5898 -fno-toplevel-reorder.
5899 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5900 -funit-at-a-time documentation.
5902 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5903 Kazu Hirata <kazu@codesourcery.com>
5905 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5907 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5909 * Makefile.in (FUNCTION_H): New. Use it instead of
5910 function.h throughout the file.
5911 * function.h: Include tree.h.
5913 2006-01-17 Ben Elliston <bje@au.ibm.com>
5915 * recog.c: Separate some functions with whitespace.
5917 2006-01-16 Richard Henderson <rth@redhat.com>
5919 Merge from gomp branch:
5920 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5921 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5922 and rename from struct inline_data. Rename callee* to dst*;
5923 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5924 transform_new_cfg, transform_return_to_modify, and
5925 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5927 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5928 (copy_decl_for_dup): Remove.
5929 * tree-inline.c (struct inline_data): Move to header.
5930 (insert_decl_map): Export.
5931 (remap_decl): Update for member name changes. Use copy_decl hook.
5932 Allow for replacement to be a non-decl. Remove dead code.
5933 (remap_type_1): Check for existing mapping.
5934 (remap_type): Export.
5935 (remap_decls): Update for member name changes.
5936 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5937 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5938 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5939 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5940 (tree_function_versioning, build_duplicate_type): Likewise.
5941 (copy_body_r): Likewise. Export.
5942 (copy_decl_for_dup): Split into ...
5943 (copy_decl_for_dup_finish, copy_decl_to_var,
5944 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5945 (replace_ref_tree, inlining_p): Remove.
5947 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5949 * ifcvt.c (if_convert): Make it static.
5950 * rtl.h: Remove the prototype for if_convert.
5952 * local-alloc.c (local_alloc): Make it static.
5953 * rtl.h: Remove the prototype for local_alloc.
5955 * loop.c (loop_optimize): Make it static.
5956 * cfgloop.h: Remove the prototype for loop_optimize.
5959 2006-01-16 DJ Delorie <dj@redhat.com>
5961 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5964 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5966 * pa.md: Disparage copies between general and floating-point registers
5967 in 32-bit move patterns.
5969 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5972 * Makefile.in (check-%): Depend on site.exp instead of
5973 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5976 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5978 * global.c (global_alloc): Make it static.
5979 * rtl.h: Remove the prototype for global_alloc.
5981 2006-01-16 Richard Guenther <rguenther@suse.de>
5983 * tree-ssa-alias.c (struct used_part): Add write_only field.
5984 (get_or_create_used_part_for): Initialize it to true.
5985 (create_overlap_variables_for): Don't create structure variables
5986 for structures that only are written to.
5987 (find_used_portions): Handle MODIFY_EXPR to track whether a
5988 structure is only written to.
5990 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5992 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5994 * basic-block.h: Remove the prototype for
5995 partition_hot_cold_basic_blocks.
5997 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5999 * cppspec.c (lang_specific_spec_functions): Remove.
6000 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
6001 * gcc.h (lang_specific_spec_functions): Remove.
6002 * gccspec.c (lang_specific_spec_functions): Remove.
6004 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
6006 * combine.c (record_value_for_reg): Invalidate registers
6008 (record_dead_and_set_regs_1): Likewise, by passing them to
6009 record_value_for_reg.
6010 (record_dead_and_set_regs): Invalidate stores made by a
6011 call. We do not combine across a call, but we still
6012 relied on equivalences.
6014 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6016 * tree-vrp.c (extract_range_from_binary_expr): Cope with
6017 vrp_int_const_binop returning non-constant nodes.
6019 2006-01-16 Paul Brook <paul@codesourcery.com>
6021 * config/m68k/m68k.c (output_move_const_into_data_reg):
6022 Output correct mnemonic for mvz and mvs.
6024 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
6026 * rtl-factoring.c: Add sequence abstraction algorithm.
6027 * cfgcleanup.c (outgoing_edges_match): Extra checks.
6028 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
6030 (block_has_preserve_label): New function.
6031 * common.opt: Register new pass.
6032 * Makefile.in: Ditto.
6034 * timevar.def: Ditto.
6035 * tree-pass.h: Ditto.
6036 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
6037 * rtl.h (make_jump_insn_raw): Add forward decl.
6038 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
6040 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6041 Roger Sayle <roger@eyesopen.com>
6043 * fold-const.c (fold_minmax): New static function.
6044 (fold_binary) <MIN_EXPR>: Call it.
6045 <MAX_EXPR>: Likewise.
6046 * stor-layout.c (place_field): Use DECL_SIZE consistently
6047 in the computation of the new record size.
6049 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6051 * cse.c (cse_condition_code_reg): Make it static.
6052 * rtl.h: Remove the prototype for cse_condition_code_reg.
6054 * combine.c (combine_instructions): Make it static.
6055 * rtl.h: Remove the prototype for combine_instructions.
6057 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6060 * tree.c (get_file_function_name_long): Concatenate the first global
6061 object name with a string derived from the input filename of the object
6064 2006-01-16 Ben Elliston <bje@au.ibm.com>
6066 * config/i386/winnt-stubs.c: Update FSF address.
6067 * config/xtensa/ieee754-df.S: Ditto.
6068 * config/xtensa/ieee754-sf.S: Ditto.
6070 2006-01-14 Ian Lance Taylor <ian@airs.com>
6072 * ifcvt.c (noce_init_if_info): New static function, broken out of
6073 noce_process_if_block.
6074 (noce_process_if_block): Call noce_init_if_info.
6075 (check_cond_move_block): New static function.
6076 (cond_move_process_if_block): New static function.
6077 (process_if_block): Call cond_move_process_if_block.
6079 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
6081 * cselib.c (hash_table): Rename to cselib_hash_table.
6082 (cselib_clear_table, discard_useless_values,
6083 remove_useless_values, cselib_lookup_mem, cselib_lookup,
6084 cselib_init, cselib_finish): Adjust uses of hash_table.
6086 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
6088 PR tree-optimization/25485
6089 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
6090 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
6091 is known to be false and true, respectively.
6093 2006-01-14 Richard Guenther <rguenther@suse.de>
6095 PR tree-optimization/22548
6096 PR tree-optimization/22555
6097 PR tree-optimization/22501
6098 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
6099 * params.def (salias-max-array-elements): New parameter.
6100 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
6101 * doc/invoke.texi (salias-max-array-elements): Document.
6102 * tree-flow-inline.h (var_can_have_subvars): We also handle
6104 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
6106 * tree-ssa-structalias.c (params.h): Include.
6107 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
6108 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
6109 (get_constraint_for): For ADDR_EXPR operating on something
6110 containing an ARRAY_REF, add all subvars to the solution.
6111 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
6112 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
6113 for creating MUST_DEFs.
6114 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
6116 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
6118 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
6120 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
6121 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6122 number_of_iterations_le): New functions.
6123 (number_of_iterations_special): Removed.
6124 (number_of_iterations_exit): Do not use number_of_iterations_special.
6125 * tree.c (unsigned_type_for): Always return integer type.
6127 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
6128 Richard Guenther <rguenther@suse.de>
6130 PR rtl-optimization/24257
6131 * gcse.c (find_moveable_store): Only consider a store movable
6132 when the SET_SRC of the insn can be assigned to a register.
6134 2006-01-14 Ian Lance Taylor <ian@airs.com>
6136 * tree.c (tree_not_class_check_failed): New function.
6137 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
6138 (tree_not_class_check_failed): Declare.
6140 2006-01-13 Ian Lance Taylor <ian@airs.com>
6142 * reload1.c (do_output_reload): Add assertion rejecting a
6145 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
6147 * combine.c (struct reg_stat): Add new fields truncation_label and
6149 (record_value_for_reg): Reset truncated_to_mode.
6150 (record_truncated_value): New function.
6151 (check_promoted_subreg): Call it. Rename to check_conversions.
6152 (combine_instructions): Rename check_promoted_subreg to
6154 (reg_truncated_to_mode): New function.
6155 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
6156 (gen_lowpart_or_truncate): New function.
6157 (force_to_mode): Use it instead of gen_lowpart.
6159 2006-01-13 Diego Novillo <dnovillo@redhat.com>
6161 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
6162 VAR is a tag, not its type tag.
6164 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
6166 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
6167 alternatives to match style of other entries.
6168 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
6170 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
6172 PR tree-optimization/25771
6173 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
6176 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
6179 * tree-inline.c (declare_return_variable): If the return variable
6180 was marked as a non gimple complex, set the return slot variable
6181 to be a non gimple comple variable.
6183 2006-01-13 Richard Guenther <rguenther@suse.de>
6185 * builtins.c (expand_builtin_sincos): New function.
6186 (expand_builtin_mathfn_3): Remove dead code, sin and cos
6188 (expand_builtin): Expand sincos using expand_builtin_sincos.
6190 2006-01-12 DJ Delorie <dj@redhat.com>
6192 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
6193 shift counts, separate SI shifts for m32c vs m16c, pass shift type
6194 so that constant shifts can be split.
6195 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
6196 (m32c_valid_pointer_mode): Make static.
6197 (shift_gen_func_for): New.
6198 (m32c_prepare_shift): Use it. Split large const shifts into
6200 * config/m32c/predicates.md (shiftcount_operand): Allow more
6202 (longshiftcount_operand): New.
6203 * doc/md.texi (Machine Constraints): Document In6.
6205 2006-01-13 Ben Elliston <bje@au.ibm.com>
6207 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
6208 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
6211 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
6213 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
6214 to try to avoid clobbering pieces of structures when we know
6215 something about the whole structure.
6216 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
6218 2006-01-13 Ben Elliston <bje@au.ibm.com>
6220 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
6221 return in memory, as this is no limitation is no longer present.
6223 2006-01-12 DJ Delorie <dj@redhat.com>
6225 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
6226 mova with fb, and for fb+0 -> An.
6228 * config/m32c/mov.md (peephole2): Fix enabling logic.
6230 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6231 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
6232 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
6233 FINI_ARRAY_SECTION_ASM_OP): Define.
6235 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
6237 (m32c_legitimize_reload_address): New logic to reload FB to An.
6238 (m32c_output_reg_push): Add newline.
6239 (m32c_output_reg_pop): Likewise.
6241 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
6243 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
6245 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6247 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6249 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6251 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6254 2006-01-11 Ben Elliston <bje@au.ibm.com>
6256 * rtlanal.c (find_reg_note): Assert insn is not null.
6258 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6260 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6263 2006-01-11 Jeff Law <law@redhat.com>
6265 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6267 (mark_threaded_blocks, register_jump_thread): New functions.
6268 (thread_through_all_blocks): Remove unwanted argument. No
6269 longer rely on e->aux to communicate thread target info.
6270 Call mark_threaded_blocks. Release the threaded_blocks
6271 bitmap and threaded_edges vector when complete.
6272 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6273 (threaded_blocks): Remove.
6274 (tree_ssa_dominator_optimize): Remove initialization and
6275 finalization of threaded_blocks. Simplify call to
6276 thread_through_all_blocks.
6277 (thread_across_edge): Call register_jump_thread rather than
6278 storing thread information into e->aux.
6279 (free_all_edge_infos): Simplify now that e->aux is no longer
6280 used to communicate with thread_through_all_blocks.
6281 * tree-flow.h (thread_through_all_blocks): Update prototype.
6282 (register_jump_thread): Prototype.
6284 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6286 * df-core.c (df_compact_blocks, df_bb_replace): Use
6287 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6289 2006-01-11 Richard Guenther <rguenther@suse.de>
6291 PR tree-optimization/25734
6292 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6293 stop propagation after successful propagation to the LHS.
6295 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6297 * basic-block.h (control_flow_graph): Change the type of
6298 x_basic_block_info to VEC(basic_block,gc) *.
6299 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6301 (SET_BASIC_BLOCK): New.
6302 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6303 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6304 * cfgbuild.c (find_basic_blocks): Likewise.
6305 * cfglayout.c (fixup_reorder_chain): Likewise.
6306 * cfgrtl.c (create_basic_block_structure,
6307 rtl_create_basic_block): Likewise.
6308 * ifcvt.c (find_if_case_1): Likewise.
6309 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6312 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6314 * Makefile.in: Removed rotted odf.c entry.
6316 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6319 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6320 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6321 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6322 output pattern modifier, not %e.
6323 * config/cris/cris.c (cris_op_str): Update comment about pattern
6325 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6326 before falling through into...
6327 <case 'E'>: Redefined from old 'e' case.
6329 2006-01-11 Jan Hubicka <jh@suse.cz>
6332 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6334 2006-01-11 Jan Hubicka <jh@suse.cz>
6336 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6337 * i386.c (x86_decompose_lea): Kill.
6338 (ix86_rtx_costs): Kill.
6340 2006-01-11 Jan Hubicka <jh@suse.cz>
6342 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6343 * cgraph.h (cgraph_node): Add inline_decl.
6344 (cgraph_insert_node_to_hashtable): Declare.
6345 (save_inline_function_body): Declare.
6346 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6348 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6349 (cgraph_function_versioning): Update call of tree_function_versioning.
6350 (save_inline_function_body): New function.
6351 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6352 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6353 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6354 (cgraph_default_inline_p): Likewise.
6355 (cgraph_decide_inlining_incrementally): Likewise.
6356 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6357 (copy_bb): Kill saving; do updating of clones.
6358 (copy_cfg_body): Kill saving.
6359 (initialize_inlined-parameters): Likewise.
6360 (expand_call_inline): Likewise.
6362 (tree_function_versioning): New parameter "update_clones".
6363 (inlining_p): Kill saving.
6364 * tree-inline.h (tree_function_versioning): Update prototype.
6365 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6368 2006-01-11 Ian Lance Taylor <ian@airs.com>
6370 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6371 Allow undoing set of machine mode.
6372 (do_SUBST): Use enums instead of is_int.
6373 (do_SUBST_MODE): New function.
6374 (SUBST_MODE): New macro.
6375 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6376 reg and trying to replace reg_regno_rtx with a new register.
6377 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6378 (simplify_set): Use SUBST_MODE.
6379 (distribute_notes): Remove code that tried to update reg notes
6380 for regno_reg_rtx changes.
6382 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6384 PR tree-optimization/23109
6385 PR tree-optimization/23948
6386 PR tree-optimization/24123
6388 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6389 * tree-cfg.c (single_noncomplex_succ): New.
6390 * tree-flow.h (single_noncomplex_succ): Declare it.
6391 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6392 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6393 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6394 insert_bb, register_division_in, insert_reciprocals,
6395 replace_reciprocal, free_bb): New.
6396 (execute_cse_reciprocals_1): Rewritten.
6397 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6398 Do not commit any edge insertion. Always compute dominators and
6399 create the allocation pool.
6400 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6401 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6402 * targhooks.c (default_min_divistions_for_recip_mul): New.
6403 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6404 * passes.c (init_optimization_passes): Run recip after tree loop
6406 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6408 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6409 Kenneth Zadeck <zadeck@naturalbridge.com>
6411 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6412 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6413 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6414 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6415 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6416 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6417 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6418 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6419 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6420 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6421 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6422 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6423 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6424 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6425 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6426 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6427 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6428 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6429 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6430 DF_SCAN_POST_ALLOC): New macros.
6431 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6432 df_free_bb_function, df_local_compute_function, df_init_function,
6433 df_dataflow_function, df_confluence_function_0,
6434 df_confluence_function_n, df_transfer_function,
6435 df_finalizer_function, df_free_function, df_dump_problem_function,
6436 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6437 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6438 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6439 df_urec_bb_info, ) New types.
6440 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6442 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6443 df_analyze_simple_change_some_blocks,
6444 df_analyze_simple_change_one_block, df_compact_blocks,
6445 df_bb_replace, df_bb_regno_last_use_find,
6446 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6447 df_insn_regno_def_p, df_find_def, df_find_use,
6448 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6449 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6450 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6451 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6452 debug_df_chain, df_get_dependent_problem, df_chain_create,
6453 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6454 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6455 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6456 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6457 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6458 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6459 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6460 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6461 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6462 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6463 df_reorganize_refs, df_set_state, df_hard_reg_init,
6464 df_read_modify_subreg_p) New public functions.
6465 * df-core.c: The core dataflow solver and glue routines for rtl
6467 (df_init, df_add_problem, df_set_blocks, df_finish,
6468 df_hybrid_search_forward, df_hybrid_search_backward,
6469 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6470 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6471 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6472 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6473 df_reg_defined, df_find_use, df_reg_used, df_dump,
6474 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6475 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6476 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6477 debug_df_useno, reset_df_after_reload): New functions.
6478 * df-scan.c: The scanning fuctions, once in df.c, completely
6479 rewritten so that they now fully model the functionality of
6480 register usage at the backend.
6481 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6482 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6483 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6484 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6485 df_get_artificial_defs, df_get_artificial_uses,
6486 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6487 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6488 df_refs_delete, df_reorganize_refs, df_set_state,
6489 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6490 df_def_record_1, df_defs_record, df_uses_record,
6491 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6492 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6493 df_record_exit_block_uses, df_hard_reg_init): New functions.
6495 * df-problems.c: Seven concrete dataflow problems that use the
6496 scanning in df-scan.c and are solved by the engine in df-core.c.
6497 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6498 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6499 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6500 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6501 df_ru_free_bb_info, df_ru_alloc,
6502 df_ru_bb_local_compute_process_def,
6503 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6504 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6505 df_ru_transfer_function, df_ru_free, df_ru_dump,
6506 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6507 df_rd_free_bb_info, df_rd_alloc,
6508 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6509 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6510 df_rd_transfer_function, df_rd_free, df_rd_dump,
6511 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6512 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6513 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6514 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6515 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6516 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6517 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6518 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6519 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6520 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6521 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6522 df_urec_mark_reg_use_for_earlyclobber,
6523 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6524 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6525 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6526 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6527 df_chain_create_bb_process_use, df_chain_create_bb,
6528 df_chain_finalize, df_chain_free, df_chains_dump,
6529 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6530 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6531 df_reg_lifetime): New functions.
6532 * df.c: Deleted file.
6533 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6534 consistent with new df api.
6535 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6536 rest_of_handle_sms): Ditto.
6537 * web.c (unionfind_union, union_defs, entry_register, web_main):
6539 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6540 invariant_expr_equal_p, find_defs, check_dependencies,
6541 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6542 free_inv_motion_data, move_loop_invariants): Ditto.
6543 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6544 Update dependencies.
6545 (odf.c): Added defective entry that was deleted later in day.
6546 * sched-deps.c (sched_analyze_1): Ditto.
6548 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6550 * tree-ssa-operands.c (get_expr_operands): Record addressable
6551 variables directly. Do not call add_stmt_operands for CONST_DECLs
6553 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6554 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6556 2006-01-11 Ben Elliston <bje@au.ibm.com>
6558 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6559 function returns true in the positive case.
6561 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6564 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6565 for SI, DI, SF and DF modes. Add alternatives to copy between
6566 general and floating point registers to the 32-bit patterns.
6567 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6568 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6569 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6570 generating 64-bit code.
6571 * config/pa/pa.c (output_move_double): Handle copies between general
6572 and floating registers.
6574 2006-01-10 Stuart Hastings <stuart@apple.com>
6576 * config/i386/i386.md (set_got): Update.
6577 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6578 (builtin_setjmp_receiver): Mach-O support.
6579 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6580 (GOT_SYMBOL_NAME): Define.
6581 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6582 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6583 * config/i386/i386.c (override_options): Revise for Darwin.
6584 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6585 support. (darwin_x86_file_end): New. (output_set_got): Add label
6586 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6587 * config/i386/i386-protos.h (output_set_got): Likewise.
6588 * config/darwin.c (machopic_legitimize_pic_address): Update
6591 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6593 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6594 when MODE isn't BLKmode.
6596 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6598 PR rtl-optimization/25367
6599 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6601 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6604 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6605 for a negative bound.
6607 2006-01-10 Richard Guenther <rguenther@suse.de>
6609 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6610 Never override with anything constraint.
6612 2006-01-10 Jan Beulich <jbeulich@novell.com>
6614 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6615 256 bits when optimize_size.
6617 2006-01-10 Jan Beulich <jbeulich@novell.com>
6619 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6621 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6622 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6625 2006-01-10 Ben Elliston <bje@au.ibm.com>
6627 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6629 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6630 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6631 (USE_FP_FOR_ARG): Reject decimal float modes.
6632 (function_arg_advance): Likewise.
6633 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6634 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6635 point types in AltiVec vectors.
6636 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6637 (rs6000_libcall_value): Likewise.
6639 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6641 * config/xtensa/ieee754-df.S: New file.
6642 * config/xtensa/ieee754-sf.S: New file.
6643 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6644 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6645 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6647 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6649 * config/sh/predicates.md (binary_float_operator,
6650 binary_logical_operator, commutative_float_operator,
6651 equality_comparison_operator, greater_comparison_operator,
6652 less_comparison_operator, logical_operator,
6653 noncommutative_float_operator, shift_operator,
6654 symbol_ref_operand, unary_float_operator): Remove redundant
6657 2006-01-09 Jeff Law <law@redhat.com>
6659 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6660 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6661 now unused arguments. Callers updated.
6662 (eliminate_redundant_computations): Remove now unused arguments,
6664 (local_fold): Remove, no longer used.
6665 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6667 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6668 (simplify_cond): New function.
6669 (forward_propagate_into_cond): Call simplify_cond.
6671 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6673 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6674 (*vec_extractv2di_1_sse): New.
6676 2006-01-09 Ben Elliston <bje@au.ibm.com>
6678 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6680 2006-01-08 Richard Guenther <rguenther@suse.de>
6682 * tree-ssa-structalias.c (get_constraint_for): Remove
6684 (get_constraint_for_component_ref): Likewise.
6685 (do_deref): Likewise.
6686 (get_constraint_for): Likewise.
6687 (do_structure_copy): Likewise.
6688 (handle_ptr_arith): Likewise.
6689 (find_func_aliases): Likewise. Remove unused need_anyoffset
6692 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6693 Kaz Kojima <kkojima@gcc.gnu.org>
6695 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6696 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6697 (EXTRA_CONSTRAINT_C16): Remove.
6698 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6699 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6700 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6701 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6702 constants of SHmedia. Handle nested constant expressions of
6704 (andcosts): Fix the costs for SHmedia constants.
6705 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6706 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6707 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6708 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6709 (movv4hi_i, movv2si_i): Likewise.
6710 (movsi_const): Adjust the second operand of ior so to match with
6712 (movdi_const, movdi_const_32bit): Likewise.
6713 (movdi_const_16bit+1): Don't sign-extend LOW.
6714 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6716 (*double_shori): Fix the split condition. Use GEN_INT instead
6717 of get_int_mode calls. Mask lower 16-bit of the argument of
6719 (sym2GOTPLT): Remove.
6720 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6722 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6723 instead of EXTRA_CONSTRAINT_C16.
6725 2006-01-07 Ian Lance Taylor <ian@airs.com>
6726 David Edelsohn <edelsohn@gnu.org>
6728 PR rtl-optimization/25662
6729 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6730 for constant operands instead of simplify_gen_binary.
6731 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6732 after trying simplify_binary_operation
6734 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6736 * tree.c (iterative_hash_expr): Hash decls based on UID.
6738 2006-01-06 Eric Christopher <echristo@apple.com>
6740 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6741 (TARGET_UNWIND_EMIT): Fix spelling.
6742 * target.h (gcc_target): Add except_table_label.
6743 * except.c (output_function_exception_table): Use.
6744 * varasm.c (default_emit_except_table_label): New.
6745 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6747 (asm_out): Add here.
6748 * output.h (default_emit_except_table_label): Prototype.
6749 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6750 * config/darwin.c (darwin_emit_except_table_label): Define.
6751 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6753 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6755 PR tree-optimization/18527
6756 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6757 number_of_iterations_special, number_of_iterations_exit):
6758 Move base and step of an iv to a single structure. Add
6759 no_overflow flag, and use it in # of iterations analysis.
6760 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6761 folded_casts argument.
6762 (simple_iv): Pass base and step in a structure. Set no_overflow
6764 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6765 Evaluate expensiveness of computing # of iterations instead of
6766 the final expression.
6767 * tree-scalar-evolution.h (affine_iv): New structure.
6768 (simple_iv): Declaration changed.
6769 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6770 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6771 find_givs_in_stmt): Changed due to simple_iv change.
6773 2006-01-06 Jeff Law <law@redhat.com>
6776 * tree-cfg.c (bsi_replace): Rename final argument from
6777 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6778 change (stmt -> orig_stmt).
6779 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6780 (bsi_remove): Add new argument. Remove EH information
6782 (verify_eh_throw_table_statements): New function.
6783 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6785 * tree-optimize.c (execute_free_cfg_annotations): Verify
6786 the EH throw statement table after removing annotations.
6787 * except.h (verify_eh_throw_table_statements): Prototype.
6788 * tree-flow.h (bsi_remove): Update prototype.
6789 * tree-vrp.c (remove_range_assertions): Add new argument to
6791 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6792 * tree-complex.c (expand_complex_div_wide): Likewise.
6793 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6794 * tree-tailcall.c (eliminate_tailcall): Likewise.
6795 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6796 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6797 * tree-nrv.c (tree_nrv): Likewise.
6798 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6799 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6800 (combine_blocks): Likewise.
6801 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6802 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6803 (cleanup_control_flow): Likewise.
6804 (remove_forwarder_block): Likewise.
6805 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6806 * tree-sra.c (sra_replace): Likewise.
6807 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6808 (forward_propagate_single_use_vars): Likewise.
6809 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6810 * tree-inline.c (expand_call_inline): Likewise.
6811 * tree-vect-transform.c (vect_transform_loop): Likewise.
6812 * tree-outof-ssa.c (rewrite_trees): Likewise.
6813 * tree-cfg.c (make_goto_expr_edges): Likewise.
6814 (cleanup_dead_labels): Likewise.
6815 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6816 (bsi_move_before, bsi_move_after): Likewise.
6817 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6818 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6820 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6823 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6825 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6826 on non gimple variables. Also add checks at the top for decls and
6828 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6830 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6831 and IMAGPART_EXPR for creating MUST_DEFs.
6832 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6833 and NAME_MEMORY_TAG separately from the DECLs.
6835 2006-01-06 Richard Guenther <rguenther@suse.de>
6837 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6838 annotation, if necessary.
6839 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6840 redundant calls to update_stmt.
6841 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6844 2006-01-05 Richard Henderson <rth@redhat.com>
6846 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6848 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6850 * c-typeck.c: Update copyright date.
6852 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6854 * c-typeck.c (build_c_cast): Always warn when casting
6855 from a pointer to an integer of different size, even if
6856 the node was constant.
6858 2006-01-05 Richard Guenther <rguenther@suse.de>
6860 PR tree-optimization/22555
6861 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6862 if one structure field is an array.
6863 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6864 operands even if we found a subvar, but ignore VOPs in this
6866 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6868 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6870 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6873 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6875 2006-01-05 Richard Guenther <rguenther@suse.de>
6876 Diego Novillo <dnovillo@redhat.com>
6878 * tree-pass.h (TODO_remove_unused_locals): Define.
6879 * gimple-low.c (expand_var_p, remove_useless_vars,
6880 pass_remove_useless_vars): Remove. Update all users.
6881 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6882 (remove_unused_locals): New function.
6883 * tree-flow.h (remove_unused_locals): Declare.
6884 * passes.c (execute_todo): Call remove_unused_locals if
6885 TODO_remove_unused_locals is set.
6886 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6887 * tree-ssa-dce.c (pass_dce): Likewise.
6888 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6890 2006-01-05 Richard Guenther <rguenther@suse.de>
6892 * tree-flow.h (struct fieldoff): Decompose field to
6893 type, size and decl.
6894 * tree-ssa-alias.c (create_sft): Take type as parameter.
6895 (create_overlap_variables_for): Store type, size and decl
6896 in the fieldoff structure.
6897 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6899 (push_fields_onto_fieldstack): Likewise.
6900 (create_variable_info_for): Likewise. Use offset for the
6901 SFT name if the decl is not available.
6903 2006-01-04 Paul Brook <paul@codesourcery.com>
6905 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6907 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6909 * lambda-code.c (can_put_in_inner_loop): Relax
6911 (can_put_after_inner_loop): New function.
6912 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6913 (perfect_nestify): Change to make copies and modify uses.
6915 2006-01-04 Richard Henderson <rth@redhat.com>
6917 Merge from gomp branch:
6918 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6919 via integer constant.
6920 (pragma_lex): Remove.
6921 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6922 rather than parsing it.
6923 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6924 handle_pragma_extern_prefix): Add %< %> quotes.
6925 (registered_pragmas): New.
6926 (c_register_pragma_1): New.
6927 (c_register_pragma): Use it.
6928 (c_register_pragma_with_expansion): Likewise.
6929 (c_invoke_pragma_handler): New.
6930 (init_pragma): Use cpp_register_deferred_pragma directly for
6932 * c-pragma.h (enum pragma_kind): New.
6933 (pragma_handler): New.
6934 (c_invoke_pragma_handler): Declare.
6935 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6937 * c-common.h (c_common_pch_pragma): Update decl.
6938 * Makefile.in (c-parser.o): Update dependencies.
6939 (GTFILES): Add c-pragma.h.
6940 * c-parser.c (struct c_token): Add pragma_kind.
6941 (struct c_parser): Add in_pragma.
6942 (c_lex_one_token): Always initialize keyword and pragma_kind.
6943 Extract data for CPP_PRAGMA.
6944 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6945 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6946 Don't allow CPP_PRAGMA_EOL if in_pragma.
6947 (c_parser_consume_pragma): New.
6948 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6949 (c_parser_skip_to_end_of_parameter): Likewise.
6950 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6951 (c_parser_skip_to_pragma_eol): New.
6952 (c_parser_external_declaration): Handle CPP_PRAGMA.
6953 (c_parser_compound_statement_nostart): Likewise.
6954 (c_parser_statement_after_labels): Likewise.
6955 (c_parser_pragma): New.
6956 (pragma_lex): Likewise.
6957 (c_parser_pragma_pch_preprocess): New.
6958 (c_parser_new): Merge into ...
6959 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6961 2006-01-04 Jeff Law <law@redhat.com>
6964 * tree-cfg.c (bsi_replace): Remove the original statement
6965 from the EH throw statement table.
6967 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6969 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6970 make the prototype extern "C" and add throw ().
6973 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6974 and pos non-negative and pos + len <= 32.
6975 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6976 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6977 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6980 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6981 as well as sizes not multiple of component size.
6984 * function.c (instantiate_expr): New function.
6985 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6986 walk its DECL_VALUE_EXPR with instantiate_expr.
6988 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6989 DW_OP_deref{,_size} if address isn't going to be added.
6991 2006-01-04 Ben Elliston <bje@au.ibm.com>
6993 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6994 * config/fp-bit.c: Likewise.
6996 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6998 * dominance.c: Add comment about why we use DFS numbering
7001 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7002 Richard Henderson <rth@redhat.com>
7004 Merge from gomp-branch:
7005 * varasm.c (assemble_variable): Handle thread-local COMMON data.
7006 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
7008 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
7010 PR rtl-optimization/25578
7011 * combine.c (combine_simplify_rtx, force_to_mode): Don't
7012 pass a parameter to simplify_shift_const if changing ASHIFTRT
7015 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
7017 * builtins.c (get_builtin_sync_mem): New function.
7018 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
7019 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
7020 Call get_builtin_sync_mem to generate mem rtx.
7022 2006-01-03 Richard Guenther <rguenther@suse.de>
7025 * stmt.c (add_case_node): Make sure to clear overflow flags
7028 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7030 Merge from gomp-branch.
7031 * config/sparc/sync.md: New file.
7032 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
7033 UNSPECV_LDSTUB): New constants.
7034 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
7035 * config/sparc/predicates.md (memory_reg_operand): New predicate.
7036 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
7039 2006-01-03 Roger Sayle <roger@eyesopen.com>
7041 * combine.c (reg_subword_p): New predicate to test whether the
7042 destination of a set refers to a subword/piece of a register.
7043 (try_combine): Generalize the code to merge the setting of a
7044 pseudo to a constant followed by a set of a subword of that
7045 register to a constant.
7047 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
7049 * basic-block.h (control_flow_graph): Change the type of
7050 x_label_to_block_map to VEC(basic_block,gc) *.
7051 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
7052 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
7054 * tree-ssa-propagate.c (cfg_blocks): Change the type to
7055 VEC(basic_block,heap) *.
7056 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
7057 ssa_prop_fini): Adjust the uses of cfg_blocks.
7059 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
7061 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
7063 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
7064 hashing trees instead of a pointer hash.
7065 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
7066 compare for MEM_EXPR.
7068 PR rtl-optimization/25130
7069 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
7070 when comparing MEMs for GCSE
7072 2006-01-03 Ben Elliston <bje@au.ibm.com>
7074 * targhooks.h (default_decimal_float_supported_p): Declare.
7075 * targhooks.c (default_decimal_float_supported_p): Define.
7076 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
7077 `default_decimal_float_supported_p'.
7078 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
7080 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
7082 * combine.c (apply_distributive_law <SUBREG>): Check
7083 TRULY_NOOP_TRUNCATION.
7085 2006-01-02 Geoffrey Keating <geoffk@apple.com>
7087 * dwarf2out.c (have_switched_text_section): Delete.
7088 (have_multiple_function_sections): New.
7089 (have_location_lists): Make 'bool'.
7090 (add_AT_loc_list): Use 'true' not '1'.
7091 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
7092 (output_loc_list): Use have_multiple_function_sections.
7093 (output_ranges): Likewise.
7094 (dwarf2out_begin_function): Set have_multiple_function_sections if
7096 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
7097 Check function_section rather than DECL_SECTION_NAME.
7098 (dwarf2out_finish): Use have_multiple_function_sections.
7099 Don't clear have_location_lists.
7101 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
7102 Jan Hubicka <jh@suse.cz>
7104 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
7105 case of conditional jump jumping to the next instruction.
7106 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
7107 cases of conditional jump jumping to the next instruction.
7109 2006-01-02 Jan Hubicka <jh@suse.cz>
7111 * i386.c (*_cost): Add COSTS_N_INSNS.
7112 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
7114 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
7117 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
7119 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7121 * config/arm/arm.c (all_fpus): Fix comment typo.
7122 * config/darwin.c: Likewise.
7123 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
7124 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
7125 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
7127 2006-01-01 David Edelsohn <edelsohn@gnu.org>
7129 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
7130 (rs6000_split_compare_and_swapqhi): New.
7131 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
7132 (sync_compare_and_swapqhi_internal): New.
7133 * config/rs6000/rs6000-protos.h: Declare.