1 2006-03-13 Jeff Law <law@redhat.com>
3 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4 virtual operands are interesting.
5 (vrp_visit_stmt): Corresponding changes.
7 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13 * config/bfin/crti.S: Use it instead of __PIC__.
14 * config/bfin/crtn.S: Likewise.
16 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
17 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
19 Lose 'G' modifier for call operand.
20 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
21 recognize 'G' modifier.
23 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
26 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
27 * stmt.c (expand_case): Likewise.
29 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
31 PR rtl-optimization/26254
32 * loop-invariant.c (seq_insns_valid_p): New function.
33 (move_invariant_reg): Only emit new code if it is valid.
35 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
37 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
39 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
40 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
41 (commit_one_edge_insertion): Do not look for loop notes.
43 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
45 * jump.c (follow_jumps): Do not check for loop notes. Move check for
46 flag_test_coverage out of loop.
48 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
50 * final.c (shorten_branches): Remove outdated comment, and turn
51 the if branch that guards it to continue.
53 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
55 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
56 * cfgloop.h (struct loop): Remove unused fields.
58 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
60 * doc/invoke.texi (-fdump-rtl-loop): Remove.
61 (-dL, -fdump-rtl-loop2): Update the dump file names
63 * doc/invoke.texi: Update dump file names.
65 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
67 * predict.c (estimate_probability): Remove.
68 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
69 * basic-block.h (estimate_probability): Remove prototype.
70 * passes.c (finish_optimization_passes): Dump branch prediction or
71 profiling heuristics to the .profile tree dump.
72 (init_optimization_passes): Unqueue pass_branch_prob.
74 * doc/invoke.texi (-fdump-rtl-bp): Remove.
76 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
78 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
79 * rtl.h (LABEL_NEXTREF): Remove field accessor.
81 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
83 * function.h (frame_offset_overflow): Declare.
84 * function.c (frame_offset_overflow): New function.
85 (assign_stack_local_1): Call it to detect that the offset overflows.
86 * cfgexpand.c (alloc_stack_frame_space): Likewise.
88 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
90 * config/sh/sh.c: Include alloc-pool.h.
91 (label_ref_list_pool): New alloc pool.
92 (label_ref_list_t): New type for lists of labels.
93 (struct pool_node): Make wend a label_ref_list_t.
94 (add_constant): Use the new type, eradicate LABEL_NEXTREF
96 (dump_table): Likewise.
97 (sh_reorg): Set up the alloc pool before using add_constant and
98 dump_table, and destroy it when finishing.
100 2006-03-11 Richard Sandiford <richard@codesourcery.com>
102 * config/mips/mips.c: Remove redundant comment.
104 2006-03-10 Jason Merrill <jason@redhat.com>
107 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
108 the target was declared 'register'.
110 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
112 * genpreds.c (write_insn_constraint_len): Change definition of
113 insn_constraint_len to return size_t to match the declaration.
115 2006-03-10 DJ Delorie <dj@redhat.com>
117 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
119 (m32c_expand_insv): Fix test for an AND mask.
121 2006-03-10 Richard Guenther <rguenther@suse.de>
124 * builtins.c (get_pointer_alignment): Handle component
125 references for field alignment.
127 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
129 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
130 when building with libgloss.
131 (sh*elf): Implement --without-fp option.
132 (sh64-superh-linux*): Don't multilib.
134 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
136 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
138 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
140 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
141 Set it when one of the replacement functions returned true.
142 Return TODO_cleanup_cfg if cfgchanged is true.
143 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
145 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
147 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
148 instead of gen_lowpart.
150 2006-03-09 Richard Sandiford <richard@codesourcery.com>
152 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
154 (mips_output_order_conditional_branch): Declare.
155 * config/mips/mips.h (MIPS_BRANCH): New macro.
156 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
157 for the comparison. Use gen_condjump.
158 (mips_output_conditional_branch): Rework interface to take the
159 asm templates for a direct branch and the inverse of a direct branch.
160 (mips_output_order_conditional_branch): New function.
161 (mips_builtin_branch_and_move): New function.
162 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
163 branch condition. Use gen_single_cc as the condition for
164 __builtin_mips_upper_* or __builtin_mips_lower_*.
165 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
166 Use VOIDmode for the branch condition.
167 * config/mips/predicates.md (order_operator): New predicate.
168 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
169 (branch_fp): Rename to...
170 (*branch_fp): ...this. Remove mode from comparison operator.
171 Use new mips_output_conditional_branch interface.
172 (branch_fp_inverted): Rename to...
173 (*branch_fp_inverted): ...this and update as for *branch_fp.
174 (*branch_zero<mode>): Rename to...
175 (*branch_order<mode>): ...this. Remove mode from comparison operator.
176 Use mips_output_order_conditional_branch. Only accept ordered
178 (*branch_zero<mode>_inverted): Rename to...
179 (*branch_order<mode>_inverted): ...this and update as for
181 (*branch_equality<mode>): Accept zero as the second operand to
182 the equality operator. Use the new mips_output_conditional_branch
184 (*branch_equality<mode>_inverted): Likewise.
185 (condjump): New expander.
186 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
188 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
189 (bc1any2t, bc1any2f): Likewise.
190 (single_cc): New expander.
191 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
193 2006-03-09 Richard Sandiford <richard@codesourcery.com>
195 * doc/md.texi: Update documentation of MIPS constraints.
196 * config/mips/constraints.md: New file.
197 * config/mips/mips.md: Include it.
198 * config/mips/mips.c (mips_char_to_class): Delete.
199 (override_options): Don't initialize mips_char_to_class.
200 * config/mips/mips.h (mips_char_to_class): Delete.
201 (REG_CLASS_FROM_LETTER): Delete.
202 (CONST_OK_FOR_LETTER_P): Delete.
203 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
204 (EXTRA_CONSTRAINT_Y): Delete.
205 (EXTRA_CONSTRAINT_STR): Delete.
206 (CONSTRAINT_LEN): Delete.
207 (EXTRA_MEMORY_CONSTRAINT): Delete.
209 2006-03-09 Diego Novillo <dnovillo@redhat.com>
211 * tree-cfg.c (move_block_to_fn): Remove the statements from the
212 original fn's eh regions.
214 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
216 * fold-const.c (build_range_check): Make sure to use a valid type to
217 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
220 (range_predecessor): New static function.
221 (range_successor): Likewise.
222 (merge_ranges): Use them to compute predecessors and successors of
225 2006-03-09 Roger Sayle <roger@eyesopen.com>
228 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
229 X op C3, consider whether C3 overflows towards +Inf or -Inf.
231 2006-03-08 DJ Delorie <dj@redhat.com>
233 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
234 (addpsi3): Expand to include memory operands. Remove
235 reload-specific splits.
236 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
237 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
238 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
239 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
240 (shift1_qi, shift1_hi, insv): New.
241 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
242 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
243 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
245 * config/m32c/m32c-protos.h: Update as needed.
246 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
247 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
248 Fail for unrecognized R* constraints.
249 (m32c_cannot_change_mode_class): Be more picky about pseudos.
250 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
251 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
253 (m32c_init_libfuncs): New.
254 (m32c_legitimate_address_p): Add debug wrapper.
255 (m32c_rtx_costs): New.
256 (m32c_address_cost): New.
257 (conversions): Add 'B' prefix.
258 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
259 operands, or word regnames for QI operands. 'B' prints bit
261 (m32c_expand_setmemhi): New.
262 (m32c_expand_movmemhi): New.
263 (m32c_expand_movstr): New.
264 (m32c_expand_cmpstr): New.
265 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
266 (m32c_expand_neg_mulpsi3): Handle non-ints.
267 (m32c_cmp_flg_0): New.
268 (m32c_expand_movcc): New.
269 (m32c_expand_insv): New.
270 (m32c_scc_pattern): New.
271 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
273 (STORE_FLAG_VALUE): New.
274 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
277 * config/m32c/mov.md: Make constraints more liberal.
278 (zero_extendqihi2): Optimize r0/r1 case.
279 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
280 * config/m32c/predicates.md (m32c_any_operand): New.
281 (m32c_nonimmediate_operand): New.
282 (m32c_hl_operand): New.
283 (m32c_r3_operand): New.
286 (memsym_operand): New.
287 (memimmed_operand): New.
289 (m32c_eqne_operator): New.
290 (m32c_1bit8_operand): New.
291 (m32c_1bit16_operand): New.
292 (m32c_1mask8_operand): New.
293 (m32c_1mask16_operand): New.
294 * config/m32c/blkmov.md: New file.
295 * config/m32c/t-m32c (MD_FILES): Add blkmov.
297 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
299 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
300 unsigned to fix signed/unsigned comparison issue in
301 DWARF2_FRAME_REG_OUT.
302 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
303 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
305 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
306 of ptr into the ENABLE_CHECKING section.
308 2006-03-08 Jeff Law <law@redhat.com>
310 * tree-vrp.c (infer_value_range): Only count pointer uses
311 and dereferences if -fdelete-null-pointer-checks is enabled.
313 * tree-vrp.c (find_assert_locations): Infer value ranges for
314 single use pointers, but do not create ASSERT_EXPRs for them.
315 When a non-null range is inferred for a pointer, backwards
316 propagate that range to other equivalent pointers through the
319 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
322 * Makefile.in (dvi, html, install-info): Invoke the corresponding
323 language hook targets.
324 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
325 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
326 if language hook targets were missing.
328 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
330 * tree-ssa-opfinalize.h: Removed.
331 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
333 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
334 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
335 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
336 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
337 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
338 finalize_ssa_v_must_def_ops): New.
340 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
342 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
345 2006-03-07 Geoffrey Keating <geoffk@apple.com>
347 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
349 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
350 addresses with offsets; reorganize.
352 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
353 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
354 (expand_builtin_init_dwarf_reg_sizes): Likewise.
356 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
359 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
361 2006-03-08 Ben Elliston <bje@au.ibm.com>
363 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
365 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
368 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
371 2006-03-07 Richard Guenther <rguenther@suse.de>
373 PR tree-optimization/26587
374 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
376 2006-03-07 Richard Sandiford <richard@codesourcery.com>
378 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
380 2006-03-07 Richard Sandiford <richard@codesourcery.com>
382 * hooks.c (hook_bool_mode_rtx_true): New function.
383 * hooks.h (hook_bool_mode_rtx_true): Declare.
384 * toplev.c (compile_file): Call output_shared_constant_pool.
385 * varasm.c (shared_constant_pool): New variable.
386 (assemble_start_function, assemble_end_function): Remove arguments
387 from call to output_constant_pool.
388 (create_constant_pool): New function, split out from...
389 (init_varasm_status): ...here.
390 (force_const_mem): Choose between the shared and per-function constant
391 pools. Set current_function_uses_const_pool when reusing old entries
392 as well as when creating new ones.
393 (mark_constant): Ignore data argument.
394 (mark_constants): Remove pool argument.
395 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
396 to decide whether the function uses a constant pool.
397 (output_constant_pool_contents): New function, split out from...
398 (output_constant_pool): ...here.
399 (output_shared_constant_pool): New function.
400 (init_varasm_once): Initialize shared_constant_pool.
401 * output.h (output_constant_pool): Delete.
402 (output_shared_constant_pool): Declare.
403 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
404 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
406 2006-03-06 Nick Clifton <nickc@redhat.com>
408 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
409 flag_strength_reduce.
411 2006-03-06 Ben Elliston <bje@au.ibm.com>
413 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
414 x86_64-*-linux* configurations.
416 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
417 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
419 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
421 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
423 * basic-block.h: Remove the extern for
424 rediscover_loops_after_threading.
426 * cfgloop.c (cancel_loop): Make it static.
427 * cfgloop.h: Remove the prototype for cancel_loop.
429 * flow.c (recompute_reg_usage): Make it static.
430 * rtl.h: Remove the prototype for recompute_reg_usage.
432 * function.c (use_return_register): Make it static.
433 * function.h: Remove the prototype.
435 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
437 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
439 * recog.h: Remove the prototype for
440 validate_change_maybe_volatile.
442 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
444 * rtlanal.c (replace_reg): Remove.
445 * rtl.h: Remove the prototype for replace_reg.
447 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
449 * regclass.c (reg_scan_update): Remove.
450 (reg_scan_mark_refs): Remove the last argument.
451 * rtl.h: Remove the prototype for reg_scan_update.
453 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
455 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
456 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
457 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
458 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
459 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
460 loop-invariant.c, omp-low.c, opts.c, passes.c,
461 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
462 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
463 tree-ssa-structalias.c, tree-ssa-threadedge.c,
464 tree-ssa-threadupdate.c, tree-vect-patterns.c,
465 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
466 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
468 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
470 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
471 * dwarf2out.h: Remove the prototype for
472 dwarf2out_add_library_unit_info.
474 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
476 * tree.c (add_var_to_bind_expr): Remove.
477 * tree.h: Remove the prototype for add_var_to_bind_expr.
479 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
481 * regclass.c (n_non_fixed_regs): Remove.
482 (init_reg_sets_1, globalize_reg): Remove all uses of
484 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
486 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
488 * rtlanal.c (insns_safe_to_move_p): Remove.
489 * rtl.h: Remove the prototype for insns_safe_to_move_p.
491 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
493 * expmed.c (expand_mult_add): Remove.
494 * expr.h: Remove the prototype for expand_mult_add.
496 2006-03-04 Jakub Jelinek <jakub@redhat.com>
498 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
499 and REG_SAVED_VAL_EXP constants.
500 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
501 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
502 Handle regs stored by value.
503 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
504 (execute_cfa_program): Handle DW_CFA_val_offset,
505 DW_CFA_val_offset_sf and DW_CFA_val_expression.
506 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
507 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
508 (uw_install_context_1): Handle target regs stored by value.
510 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
512 * tree-sra.c (tree_sra): Return todoflags;
513 (generate_one_element): Set TODO_update_smt_usage if needed.
514 (pass_sra): Remove TODO_update_smt_usage.
515 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
517 (tree_ssa_forward_propagate_single_use_vars): Return
518 TODO_update_smt_usage if we need to update SMT usage.
519 (pass_forwprop): Remove TODO_update_smt_usage.
521 2006-03-03 Diego Novillo <dnovillo@redhat.com>
523 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
524 (correct_use_link): Remove reference to get_stmt_operands.
525 (update_stmt_operands): Likewise.
526 (get_modify_expr_operands): New function factored out of
527 parse_ssa_operands and get_expr_operands.
528 Try to create V_MUST_DEFs for LHS by default.
529 (get_expr_operands) <case MODIFY_EXPR>: Call
530 get_modify_expr_operands.
531 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
532 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
533 (parse_ssa_operands) <case MODIFY_EXPR>: Call
534 get_modify_expr_operands.
536 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
538 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
539 * tree-flow.h: Remove the prototype for
540 referenced_var_lookup_if_exists.
542 2006-03-03 Steve Ellcey <sje@cup.hp.com>
544 PR rtl-optimization/26345
546 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
548 2006-03-03 Roger Sayle <roger@eyesopen.com>
550 PR tree-optimization/26524
551 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
552 fold_convert to create a constant of the appropriate type.
554 2006-03-03 Richard Sandiford <richard@codesourcery.com>
556 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
557 SYMBOL_REF_IN_BLOCK_P.
558 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
559 of SYMBOL_FLAG_IN_BLOCK.
560 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
561 instead of SYMBOL_REF_IN_BLOCK_P.
562 * explow.c (use_anchored_address): Likewise.
563 * rtl.c (rtx_size): Likewise.
564 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
565 instead of SYMBOL_FLAG_IN_BLOCK.
566 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
567 SYMBOL_REF_IN_BLOCK_P.
568 (assemble_variable): Likewise.
569 (output_constant_def_contents): Likewise.
570 (output_constant_pool): Likewise.
571 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
572 instead of SYMBOL_FLAG_IN_BLOCK.
573 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
574 SYMBOL_REF_IN_BLOCK_P.
575 (SYMBOL_REF_BLOCK): Likewise.
576 (SYMBOL_REF_OFFSET): Likewise.
577 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
578 SYMBOL_REF_IN_BLOCK_P.
579 (SYMBOL_FLAG_IN_BLOCK): Replace with...
580 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
581 (SYMBOL_REF_IN_BLOCK_P): Replace with...
582 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
584 2006-03-03 Jakub Jelinek <jakub@redhat.com>
586 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
588 2006-03-02 Roger Sayle <roger@eyesopen.com>
590 * simplify-rtx.c (simplify_unary_operation): When simplifying
591 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
592 that we perform the right shift in the appropriate mode, and
593 then extend or truncate the result to requested mode.
595 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
597 * gengtype.c (main): Handle double_int type.
598 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
599 * double-int.c: New file.
600 * double-int.h: New file.
601 * system.h: Include doubleint.h.
602 * Makefile.in (SYSTEM_H): Include double-int.h.
605 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
608 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
611 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
613 * tree-vrp.c (remove_range_assertions): Do not update statements
616 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
618 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
620 * gcse.c (rest_of_handle_gcse): Ditto.
621 * except.c (gate_handle_eh): Ditto.
622 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
623 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
625 2006-03-02 Eric Christopher <echristo@apple.com>
627 * config/i386/i386.c (machopic_output_stub): Add indirection to
630 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
634 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
636 Sun Niagara specific optimizations.
637 * config.gcc: Recognize niagara as target.
638 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
639 (TARGET_CPU_niagara): Define.
640 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
641 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
642 (CPP_CPU_SPEC): Handle -mcpu=niagara.
643 (ASM_CPU_SPEC): Likewise.
644 (PROCESSOR_NIAGARA): New enum entry.
645 (REGISTER_MOVE_COST): Handle Niagara.
646 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
647 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
648 (sparc_override_options): Recognize "niagara", set appropriate
649 default MASK_* values for it, and align functions to 32-bytes
650 by default just like ULTRASPARC/ULTRASPARC3.
651 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
652 (sparc64_initialize_trampoline): Likewise.
653 (sparc_use_sched_lookahead): Use zero for niagara.
654 (sparc_issue_rate): Use one for niagara.
655 * config/sparc/niagara.md: New file.
656 * config/sparc/sparc.md: Include it.
657 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
658 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
659 when default cpu is niagara.
660 (CPP_CPU_SPEC): Handle -mcpu=niagara.
661 (ASM_CPU_SPEC): Likewise.
662 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
663 when default cpu is niagara.
664 (ASM_CPU_SPEC): Handle -mcpu=niagara.
665 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
666 just like v9/ultrasparc/ultrasparc3.
667 * doc/invoke.texi: Add documentation for "niagara" and improve
668 existing documentation for ultrasparc variants.
670 2006-03-02 Diego Novillo <dnovillo@redhat.com>
672 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
674 2006-03-02 Richard Sandiford <richard@codesourcery.com>
676 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
677 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
678 and say that only one is needed.
679 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
680 * target.h (have_switchable_bss_sections): New hook.
681 * explow.c (use_anchored_address): Check that the symbol is in a block.
682 * varasm.c (tls_comm_section, comm_section, lcomm_section)
683 (bss_noswitch_section): New variables.
684 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
685 (get_noswitch_section): New function.
686 (get_block_for_section): Allow SECT to be null.
687 (unlikely_text_section_p): Use SECTION_STYLE.
688 (bss_initializer_p): New function.
689 (get_variable_section): Move earlier in file. Take a new argument,
690 prefer_noswitch_p. Move bss checks from assemble_variable to here.
691 Return one of the new *_sections in such cases.
692 (get_block_for_decl): New function, extracting some logic from
693 use_blocks_for_decl_p.
694 (change_symbol_section): Remove in favor of...
695 (change_symbol_block): ...this new function.
696 (use_blocks_for_decl_p): Remove checks now performed by
698 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
699 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
700 (emit_local, emit_bss, emit_common): ...these new functions.
701 Return true if the alignment was honored.
702 (emit_tls_common): New function.
703 (asm_emit_uninitialised): Delete.
704 (assemble_variable_noswitch): New function, split out from...
705 (assemble_variable): ...here. Don't make decisions about common
706 variables here. Globalize all public decls that go into non-common
707 sections. Check whether SYMBOL_REF_BLOCK is null.
708 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
709 (output_constant_pool): Likewise.
710 (init_varasm_once): Initialize the new section variables.
711 (have_global_bss_p): New function.
712 (categorize_decl_for_section): Use bss_initializer_p.
713 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
714 (place_block_symbol): Assert that the symbol must be in a block.
715 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
716 (TARGET_INITIALIZER): Include it.
717 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
718 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
719 (SECTION_MACH_DEP): Bump by two.
720 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
721 (unnamed_section): Mention SECTION_UNNAMED in comment.
722 (named_section): Likewise SECTION_NAMED.
723 (noswitch_section_callback): New type.
724 (noswitch_section): New structure.
725 (section): Add a noswitch_section alternative.
726 (SECTION_STYLE): New macro.
727 (tls_comm_section, comm_section, lcomm_section): Declare.
728 (bss_noswitch_section, have_global_bss_p): Declare.
729 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
730 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
732 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
733 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
736 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
738 * gcc/tree-vrp.c (execute_vrp): Return value.
739 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
740 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
741 * gcc/tree-complex.c (tree_lower_complex): Ditto.
742 (tree_lower_complex_O0): Ditto.
743 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
744 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
745 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
746 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
747 (execute_tail_calls): Ditto.
748 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
749 * gcc/tree.h (init_function_for_compilation): Ditto.
750 * gcc/ipa-cp.c (ipcp_driver): Ditto.
751 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
752 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
753 * gcc/final.c (compute_alignments): Ditto.
754 (rest_of_handle_final): Ditto.
755 (rest_of_handle_shorten_branches): Ditto.
756 (rest_of_clean_state): Ditto.
757 * gcc/omp-low.c (execute_expand_omp): Ditto.
758 (execute_lower_omp): Ditto.
759 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
760 * gcc/ipa-reference.c (static_execute): Ditto.
761 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
762 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
763 (rest_of_handle_machine_reorg): Ditto.
764 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
765 * gcc/flow.c (recompute_reg_usage): Ditto.
766 (rest_of_handle_remove_death_notes): Ditto.
767 (rest_of_handle_life): Ditto.
768 (rest_of_handle_flow2): Ditto.
769 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
770 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
771 (do_ssa_store_ccp): Ditto.
772 (execute_fold_all_builtins): Ditto.
773 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
774 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
775 * gcc/ipa-pure-const.c (static_execute): Ditto.
776 * gcc/cse.c (rest_of_handle_cse): Ditto.
777 (rest_of_handle_cse2): Ditto.
778 * gcc/web.c (rest_of_handle_web): Ditto.
779 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
780 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
781 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
782 * gcc/tree-nrv.c (tree_nrv): Ditto.
783 (execute_return_slot_opt): Ditto.
784 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
785 (create_structure_vars): Ditto.
786 * gcc/loop-init.c (rtl_loop_init): Ditto.
787 (rtl_loop_done): Ditto.
788 (rtl_move_loop_invariants): Ditto.
789 (rtl_unswitch): Ditto.
790 (rtl_unroll_and_peel_loops): Ditto.
792 * gcc/gimple-low.c (lower_function_body): Ditto.
793 (mark_used_blocks): Ditto.
794 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
795 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
796 (cgraph_early_inlining): Ditto.
797 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
798 * gcc/jump.c (cleanup_barriers): Ditto.
799 (purge_line_number_notes): Ditto.
800 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
801 (rest_of_handle_if_after_reload): Ditto.
802 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
803 (tree_ssa_loop_im): Ditto.
804 (tree_ssa_loop_unswitch): Ditto.
805 (tree_vectorize): Ditto.
806 (tree_linear_transform): Ditto.
807 (tree_ssa_loop_ivcanon): Ditto.
808 (tree_ssa_empty_loop): Ditto.
809 (tree_ssa_loop_bounds): Ditto.
810 (tree_complete_unroll): Ditto.
811 (tree_ssa_loop_prefetch): Ditto.
812 (tree_ssa_loop_ivopts): Ditto.
813 (tree_ssa_loop_done): Ditto.
814 * gcc/predict.c (tree_estimate_probability): Ditto.
815 * gcc/recog.c (split_all_insns_noflow): Ditto.
816 (rest_of_handle_peephole2): Ditto.
817 (rest_of_handle_split_all_insns): Ditto.
818 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
819 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
820 (rest_of_handle_stack_adjustments): Ditto.
821 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
822 * gcc/function.c (instantiate_virtual_regs): Ditto.
823 (init_function_for_compilation): Ditto.
824 (rest_of_handle_check_leaf_regs): Ditto.
825 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
826 (rest_of_handle_gcse): Ditto.
827 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
828 * gcc/alias.c (rest_of_handle_cfg): Ditto.
829 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
830 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
831 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
832 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
833 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
834 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
835 * gcc/except.c (set_nothrow_function_flags): Ditto.
836 (convert_to_eh_region_ranges): Ditto.
837 (rest_of_handle_eh): Ditto.
838 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
839 (remove_unnecessary_notes): Ditto.
840 * gcc/except.h (set_nothrow_function_flags): Ditto.
841 (convert_to_eh_region_ranges): Ditto.
842 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
843 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
844 * gcc/tree-ssa-pre.c (do_pre): Ditto.
845 (execute_fre): Ditto.
846 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
847 (rest_of_handle_jump2): Ditto.
848 * gcc/tree-sra.c (tree_sra): Ditto.
849 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
850 (execute_mudflap_function_decls): Ditto.
851 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
852 (do_store_copy_prop): Ditto.
853 * gcc/ipa-prop.h (ipcp_driver): Ditto.
854 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
855 * gcc/tree-ssa-forwprop.c
856 (tree_ssa_forward_propagate_single_use_vars): Ditto.
857 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
858 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
859 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
860 (execute_late_warn_uninitialized): Ditto.
861 * gcc/rtl.h (cleanup_barriers): Ditto.
862 (split_all_insns_noflow): Ditto.
863 (purge_line_number_notes): Ditto.
864 (unshare_all_rtl): Ditto.
865 (remove_unnecessary_notes): Ditto.
866 (recompute_reg_usage): Ditto.
867 (variable_tracking_main): Ditto.
868 * gcc/integrate.c (emit_initial_value_sets): Ditto.
869 * gcc/integrate.h (emit_initial_value_sets): Ditto.
870 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
871 (execute_free_cfg_annotations): Ditto.
872 (execute_fixup_cfg): Ditto.
873 (execute_cleanup_cfg_pre_ipa): Ditto.
874 (execute_cleanup_cfg_post_optimizing): Ditto.
875 (execute_init_datastructures): Ditto.
876 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
877 * gcc/combine.c (rest_of_handle_combine): Ditto.
878 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
879 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
880 (rest_of_handle_reorder_blocks): Ditto.
881 (rest_of_handle_partition_blocks): Ditto.
882 * gcc/var-tracking.c (variable_tracking_main): Ditto.
883 * gcc/tree-profile.c (tree_profiling): Ditto.
884 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
885 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
886 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
887 (rest_of_handle_sched2): Ditto.
888 * gcc/basic-block.h (free_bb_insn): Ditto.
889 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
890 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
891 (remove_useless_stmts): Ditto.
892 (split_critical_edges): Ditto.
893 (execute_warn_function_return): Ditto.
894 (execute_warn_function_noreturn): Ditto.
895 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
896 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
897 * gcc/passes.c (execute_one_pass): Run additional
898 todos returned by execute function.
899 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
902 2006-03-02 Richard Guenther <rguenther@suse.de>
904 * tree-ssa-alias.c (find_used_portions): Consider taking
905 the address as making the variable not write-only.
907 2006-03-02 Nick Clifton <nickc@redhat.com>
909 * config.gcc (default_use_cxa_atexit): Extend the description of
910 this configure variable. Set its default value to "yes" for
911 Linux, NetBSD and ELF targets on the assumption that they will
912 use C libraries with the __cxa_atexit function.
914 2006-03-02 Ben Elliston <bje@au.ibm.com>
916 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
917 parameter as unused to suppress a build warning.
919 2006-03-02 Ben Elliston <bje@au.ibm.com>
921 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
924 2006-03-01 Roger Sayle <roger@eyesopen.com>
927 * gthr-posix.h (__gthrw2): Define to take three parameters, the
928 declared name, the weak reference name, and the typeof name.
929 (__gthrw): Avoid expanding the declared name suffix.
930 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
932 2006-03-01 Jakub Jelinek <jakub@redhat.com>
934 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
936 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
937 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
938 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
939 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
940 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
941 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
942 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
943 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
944 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
945 DW_DS_leading_separate, DW_DS_trailing_separate): New.
946 (DW_END_default, DW_END_big, DW_END_little): New.
947 (DW_END_lo_user, DW_END_hi_user): Define.
948 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
949 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
950 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
953 2006-03-01 Diego Novillo <dnovillo@redhat.com>
955 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
957 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
959 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
961 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
963 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
966 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
969 2006-03-01 Roger Sayle <roger@eyesopen.com>
971 * builtins.c (fold_builtin_copysign): Delete unreachable code.
973 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
976 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
977 MACHO_DYNAMIC_NO_PIC_P.
978 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
980 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
983 * config/darwin-protos.h (darwin_asm_output_anchor):
985 * config/darwin-sections.def (cstring_section):
986 Add SECTION_MERGE to the flags.
987 (literal4_section): Likewise.
988 (literal8_section): Likewise.
989 (objc_selector_refs_section): Likewise.
990 (objc_cls_refs_section): Likewise.
991 * config/darwin.c (darwin_asm_output_anchor): New
993 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
995 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
997 Fix PR tree-optimization/26443
998 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
999 to todo and PROP_tmt_usage to properties_destroyed.
1000 * tree-ssa-ccp.c (pass_ccp): Ditto.
1001 (pass_store_ccp): Ditto.
1002 * tree-ssa-dom.c (pass_dominator): Ditto.
1004 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1006 * tree-ssa-operands.c: Cleanup whitespace.
1007 (get_asm_expr_operands): Move before first invocation.
1008 (get_indirect_ref_operands): Likewise.
1009 (get_tmr_operands): Likewise.
1010 (get_call_expr_operands): Likewise.
1011 (append_def): Likewise.
1012 (append_use): Likewise.
1013 (append_v_may_def): Likewise.
1014 (append_v_must_def): Likewise.
1015 (add_call_clobber_ops): Likewise.
1016 (add_call_read_ops): Likewise.
1017 (add_stmt_operand): Likewise.
1018 (add_virtual_operand): Likewise.
1019 (build_ssa_operands): Likewise.
1021 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1026 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1027 with a call expr to ...
1028 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1030 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1032 * tree-vrp.c (extract_range_from_assert): Remove special
1033 handling for types with super-types.
1035 2006-03-01 Ben Elliston <bje@au.ibm.com>
1037 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
1038 and powerpc64-*-linux* configurations.
1039 * config/t-dfprules: New file.
1041 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
1042 Compile dfp-bit.c from the source directory using -DWIDTH and
1043 $DFP_CFLAGS to control the compilation of that file, rather than
1044 generating width-specific versions in the build directory.
1045 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
1046 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
1048 2006-02-28 Zack Weinberg <zackw@panix.com>
1050 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
1053 2006-02-28 Eric Christopher <echristo@apple.com>
1055 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
1056 Set up IN_LIBGCC definition of TARGET_64BIT.
1057 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
1059 2006-02-28 Roger Sayle <roger@eyesopen.com>
1062 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
1063 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
1064 cases via the construction of "expr != 0".
1066 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1068 * alias.c (alias_invariant, alias_invariant_size): Remove.
1069 (record_base_value): Remove.
1070 (memrefs_conflict_p): Don't look at alias_invariant.
1071 (end_alias_analysis): Don't free it.
1072 * alias.h (record_base_value): Remove prototype.
1074 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
1075 Adam Nemet <anemet@caviumnetworks.com>
1077 * rtl.h (truncated_to_mode): Declare it.
1078 (struct rtl_hooks): Add reg_truncated_to_mode hook.
1079 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
1080 (RTL_HOOKS_INITIALIZER): Include it.
1081 * rtlhooks.c (reg_truncated_to_mode_general): New function.
1082 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
1083 reg_truncated_to_mode.
1084 * rtlanal.c (truncated_to_mode): Define it.
1085 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1087 2006-02-28 Jeff Law <law@redhat.com>
1089 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
1090 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
1091 the range allowed by TYPE_PRECISION.
1093 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
1095 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
1097 PR tree-optimization/26419
1098 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
1101 2006-02-27 Zack Weinberg <zackw@panix.com>
1103 * doc/md.texi: Fix typo in previous change.
1105 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
1109 2006-02-27 Zack Weinberg <zackw@panix.com>
1111 * rtl.def (define_constraint, define_register_constraint)
1112 (define_memory_constraint, define_address_constraint): New MD forms.
1113 * gensupport.c (process_rtx): Put define_constraint etc on the
1115 * genpreds.c (process_define_predicate): Adjust comment. Validate
1116 the name, and call validate_exp to validate the expression.
1117 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1118 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1119 all callers changed.
1120 (validate_exp, needs_variable, struct constraint_data)
1121 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1122 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1123 (const_dbl_constraints, constraint_max_namelen)
1124 (have_register_constraints, have_memory_constraints)
1125 (have_address_constraints, have_address_constraints)
1126 (have_extra_constraints, have_const_int_constraints)
1127 (have_const_dbl_constraints, mangle, add_constraint)
1128 (process_define_constraint, process_define_register_constraint)
1129 (write_enum_constraint_num, write_lookup_constraint)
1130 (write_insn_constraint_len, write_regclass_for_constraint)
1131 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1132 (write_insn_extra_memory_constraint)
1133 (write_insn_extra_address_constraint)
1134 (write_satisfies_constraint_fns): New.
1135 (write_tm_preds_h): If we have new-style constraint definitions,
1136 prototype the functions generated from them, and define the
1137 old constraint interface (still used by generic code) in terms of
1139 (write_insn_preds_c): If we have new-style constraint definitions,
1140 generate all relevant functions from those definitions.
1141 (main): Handle define_constraint etc.
1142 * genoutput.c (struct constraint_data, indep_constraints)
1143 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1144 (mdep_constraint_len): New data structures and functions, defined
1145 #ifdef USE_MD_CONSTRAINTS.
1146 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1147 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1148 use new logic to validate operand constraints against constraint
1150 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1152 * defaults.h: If none of the old-style constraint macros are
1153 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1154 old-style macros; and poison REG_CLASS_FROM_LETTER,
1155 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1157 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1158 * doc/md.texi: Document new constraint-definition mechanism and the
1159 C interface it provides. Remove references to old mechanism
1160 elsewhere in the document.
1161 (Machine Constraints): Use pathnames relative to gcc directory,
1162 i.e. config/ARCH/FILE. Change i386 section to refer to
1163 config/i386/predicates.md; update that section to match docstrings.
1164 * doc/tm.texi: Move all documentation of the old constraint-
1165 definition macros to their own section, clearly mark as obsolete.
1167 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1168 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1170 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1171 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1172 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1174 (splits and peepholes): Use satisfies_constraint_*.
1175 * config/i386/i386.c (memory_address_length)
1176 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1178 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1180 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1181 scalar operation to be put back into the loop.
1183 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1186 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1187 (extract_cie_info): Handle S flag in augmentation string.
1188 (execute_cfa_program): If context->signal_frame, execute also
1189 fs->pc == context->ra instructions.
1190 (uw_frame_state_for): If context->signal_frame, don't subtract one
1191 from context->ra to find FDE.
1192 (uw_update_context_1): Set context->signal_frame to
1194 (_Unwind_GetIPInfo): New function.
1195 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1196 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1198 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1199 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1200 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1201 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1202 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1203 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1204 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1205 x86_64_fallback_frame_state): Set fs->signal_frame.
1206 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1207 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1208 (frob_update_context): Likewise. Workaround missing S flag in
1209 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1210 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1211 Remove the psw_addr + 1 hack.
1213 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1215 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1216 with aggregates here.
1217 (find_func_aliases): Remove code for &<aggregate> from here.
1219 2006-02-26 Roger Sayle <roger@eyesopen.com>
1221 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1222 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1223 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1226 2006-02-26 Roger Sayle <roger@eyesopen.com>
1229 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1231 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1233 * opts.c (decode_options): Do not handle flag_strength_reduce.
1234 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1235 and OPT_fstrength_reduce.
1236 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1237 flag_prefetch_loop_arrays for being nonzero.
1238 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1240 (fprefetch-loop-arrays-rtl): Removed.
1241 (flag_prefetch_loop_arrays): Do not specify the value.
1243 * doc/passes.texi: Update documentation of loop optimizer
1245 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1246 -frerun-loop-opt): Remove.
1248 2006-02-26 Richard Guenther <rguenther@suse.de>
1250 PR tree-optimization/26421
1251 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1252 in function calls that are ADDR_EXPRs as using the whole structure.
1254 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1256 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1257 * tree-pass.h (pass_loop_optimize): Remove.
1258 * passes.c (pass_loop_optimize): Never run it.
1259 * toplev.c (backend_init): Don't call init_loop.
1260 * opts.c (flag_loop_optimize_set): Remove.
1261 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1262 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1263 the old RTL loop optimizer when profiling enabled.
1264 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1265 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1266 pre-headers for the sake of the old RTL loop optimizer.
1267 * Makefile.in: Remove all references to loop.o.
1269 * doc/invoke.texi: Remove all references to -floop-optimize
1270 and -frerun-loop-opt.
1272 2006-02-26 Zack Weinberg <zackw@panix.com>
1274 * doc/md.texi (Machine Constraints): Refer to all files with paths
1275 relative to gcc directory (i.e. config/CPU/file). Add missing
1276 @table @code ... @end table to M32C subsection.
1278 2006-02-26 Roger Sayle <roger@eyesopen.com>
1280 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1282 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1284 2006-02-26 Roger Sayle <roger@eyesopen.com>
1285 James A. Morrison <phython@gcc.gnu.org>
1288 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1289 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1290 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1291 signedness of the shift operation.
1293 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1295 PR tree-optimization/26359
1296 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1298 2006-02-25 Roger Sayle <roger@eyesopen.com>
1300 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1301 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1302 as X == 0, and some symmetry related transformations.
1303 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1305 2006-02-25 Roger Sayle <roger@eyesopen.com>
1308 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1309 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1310 symmetry related transformations. Fold (X^C1) == C2 as
1313 2006-02-25 Juergen Weigert <jw@suse.de>
1314 Richard Guenther <rguenther@suse.de>
1316 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1318 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1320 * combine.c (gen_lowpart_or_truncate): Call
1321 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1323 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1325 * doc/invoke.texi: Move -fopenmp description to "Options for
1327 Remove reference to -lgomp.
1329 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1331 * doc/install.texi: Require GNU tar version 1.14.
1333 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1335 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1336 * doc/invoke.texi (C++ Dialect Options): Document
1337 -fno-use-cxa-get-exception-ptr.
1338 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1339 * configure: Regenerate.
1340 * c.opt (fuse-cxa-get-exception-ptr): New.
1341 * c-opts.c (c_common_handle_option): Handle
1342 OPT_fuse_cxa_get_exception_ptr.
1343 * c-common.c (flag_use_cxa_atexit): Update documentation.
1344 (flag_use_cxa_get_exception_ptr): New.
1345 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1346 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1348 (C_COMMON_OVERRIDE_OPTIONS): New.
1350 2006-02-24 Roger Sayle <roger@eyesopen.com>
1353 * combine.c (try_combine): Explicitly check whether GET_CODE is
1354 a SET or a CLOBBER, instead on checking that it isn't a USE.
1356 2006-02-24 Roger Sayle <roger@eyesopen.com>
1358 * fold-const.c (fold_comparison): New subroutine of fold_binary
1359 containing transformations common to both the equality and
1360 ordering relational operators, factored out of fold_binary.
1361 (fold_binary): Separate out the equality operators (EQ_EXPR
1362 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1363 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1364 transformations common to both.
1365 (fold_div_compare): Fix latent bugs in the previously unreachable
1366 LT_EXPR and GE_EXPR cases.
1368 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1370 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1371 decl libname for clog to __clog on AIX.
1373 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1375 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1378 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1379 output traceback table for thunks. Localise rs6000_stack_info call.
1381 2006-02-23 Roger Sayle <roger@eyesopen.com>
1382 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1384 * gthr-posix.h (__gthrw): Fix typo in comment.
1386 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1388 * doc/cpp.texi (Character sets): Document that we do support
1389 input files to be in any character set.
1391 2006-02-23 Jeff Law <law@redhat.com>
1393 * tree.h (PHI_ARG_NONZERO): Remove.
1394 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1395 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1396 node to the new node.
1398 PR tree-optimization/26425
1399 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1400 min/max, then assume its varying.
1402 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1404 PR rtl-optimization/26316
1405 * rtlanal.c (enum may_trap_p_flags): New.
1406 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1407 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1408 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1409 (may_trap_after_code_motion_p): New function.
1410 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1411 (find_invariant_insn): Use may_trap_after_code_motion_p.
1412 * rtl.h (may_trap_after_code_motion_p): Declare.
1414 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1416 * emit-rtl.c (immed_double_const): Cleanup.
1418 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1420 Fix PR tree-optimization/26376
1421 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1424 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1427 * gimplify.c (omp_add_variable): Guard variable size decl test with
1428 DECL_SIZE (decl) check.
1430 2006-02-23 Richard Guenther <rguenther@suse.de>
1433 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1434 like aggregate types.
1436 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1438 * configure.ac: Add --with{,out}-long-double-128 configure option.
1439 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1440 * configure: Rebuilt.
1441 * config.in: Rebuilt.
1442 * doc/install.texi (Options specification): Document
1443 --with-long-double-128.
1445 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1446 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1447 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1448 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1450 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1452 * config/s390/s390.c (override_options): Handle
1453 TARGET_DEFAULT_LONG_DOUBLE_128.
1455 * config/alpha/alpha.c (override_options): Handle
1456 TARGET_DEFAULT_LONG_DOUBLE_128.
1458 * config/sparc/sparc.c (sparc_override_options): Handle
1459 TARGET_DEFAULT_LONG_DOUBLE_128.
1461 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1463 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1464 (real-install-headers-tar, real-install-headers-cpio)
1465 (real-install-headers-cp): New targets.
1467 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1469 * tree.h (variable_section): Delete.
1470 * varasm.c (variable_section): Delete.
1472 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1474 * install.texi: Add notes on install.texi2html.
1475 (Building in parallel): Do not use footnotes.
1477 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1480 * doc/install.texi (Configuration): Document --disable-libgomp.
1482 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1484 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1486 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1488 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1489 (vec_extractv2df_0_sse): New.
1491 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1493 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1494 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1495 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1496 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1497 to the result of the expression.
1498 (def_cfa_1): Adjust.
1499 (frame_pointer_cfa_offset): Rename to...
1500 (frame_pointer_fb_offset): ... this. Adjust all uses.
1501 (convert_cfa_to_loc_list): Rename to...
1502 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1503 Pass it on to build_cfa_loc.
1504 (compute_frame_pointer_to_cfa_displacement): Rename to...
1505 (compute_frame_pointer_to_fb_displacement): ... this. New
1506 offset parameter. Use it in computation.
1507 (gen_subprogram_die): Compute cfa_fb_offset with the new
1508 macro, and use it to compute the fb loc list and the
1511 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1513 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1514 replaced with register_operand.
1515 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1516 non-DREG is expensive.
1517 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1518 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1521 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1523 * doc/install.texi2html: Use set -e.
1525 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1527 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1528 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1529 * doc/invoke.texi (-fshared-data): Delete.
1530 * common.opt (fshared-data): Delete.
1531 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1532 (assemble_static_space): Remove #if 0 code.
1533 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1534 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1535 * config/cris/cris.h: Remove FIXME.
1537 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1539 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1542 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1545 * combine.c (simplify_shift_const_1): Disable nested shifts
1546 optimization for vector shifts.
1548 2006-02-20 Roger Sayle <roger@eyesopen.com>
1550 PR tree-optimization/26361
1551 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1552 of unsigned integer types.
1554 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1556 * tree-chrec.c (eq_evolutions_p): New.
1557 * tree-chrec.h (eq_evolutions_p): Declared.
1558 * tree-data-ref.c: Fix formatting.
1559 (datadep_stats, dependence_stats): New.
1561 (print_direction_vector): New.
1562 (dump_data_dependence_relation): Use print_direction_vector.
1563 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1564 (compute_subscript_distance): Static.
1565 (initialize_data_dependence_relation): Static. Get the number
1566 of loops surrounding the references from the callers, and initialize
1567 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1568 base_object_differ_p analyzers.
1569 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1570 compute_overlap_steps_for_affine_1_2,
1571 analyze_subscript_affine_affine): Count the classified dependences.
1572 Print a message when a test failed.
1573 (can_use_analyze_subscript_affine_affine): New.
1574 (analyze_siv_subscript): Compute the data dependences on symbolic
1575 scevs that verify can_use_analyze_subscript_affine_affine.
1576 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1577 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1578 Handle symbolic scevs.
1579 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1581 (subscript_dependence_tester): Moved...
1582 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1583 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1584 DDR_SIZE_VECT instead of getting it in parameter.
1585 (subscript_dependence_tester): ... here. Take as a parameter
1586 loop_nest_depth. Call build_classic_dist_vector and
1587 build_classic_dir_vector.
1588 (compute_affine_dependence): Update subscript_dependence_tester
1589 parameters. Update datadep_stats counters. Call
1590 compute_subscript_distance.
1591 (compute_self_dependence): Save the dist and dir vectors. Call
1592 compute_subscript_distance.
1593 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1594 (compute_all_dependences): Reorder parameters as they were before
1595 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1596 compute_subscript_distance. Update the use of
1597 compute_affine_dependence and initialize_data_dependence_relation.
1598 (find_data_references_in_loop): Handle COMPONENT_REF.
1599 (compute_data_dependences_for_loop): Initialize dependence_stats.
1600 Don't call build_classic_dist_vector and build_classic_dir_vector.
1601 Update the parameters of initialize_data_dependence_relation and
1602 compute_all_dependences. Print the statistics from datadep_stats.
1603 (analyze_all_data_dependences): Static. Not used until the pass for
1604 checking the data dependences is contributed.
1605 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1606 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1607 (initialize_data_dependence_relation, compute_affine_dependence,
1608 analyze_all_data_dependences, compute_subscript_distance): Removed.
1609 (print_direction_vector): New.
1610 * lambda.h (gcd): ... here.
1611 (lambda_vector_gcd): Moved here from gcd_vector.
1612 * lambda-code.c (gcd, gcd_vector): Removed.
1613 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1614 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1616 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1618 * ipa-type-escape.c: Tidy some comments and white space.
1619 * tree-ssa-operands.c: Likewise.
1621 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1624 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1625 (dump_decl_name): Do not walk the decl tree chains.
1626 * tree-pass.h (TDF_CHAIN): Remove.
1628 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1630 * Makefile.in (C): Remove
1632 (.PHONY): Remove C and PROTO
1634 2006-02-20 Roger Sayle <roger@eyesopen.com>
1637 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1638 deprecated CHAR_TYPE tree code.
1640 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1642 * configure.ac (target_list): Add install-info, dvi, html.
1643 * configure: Regenerate.
1645 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1646 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1647 treelang/Make-lang.in: Do not use double-colon rules.
1649 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1651 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1652 (TMT_USED_ALONE): New macro.
1653 * tree-pass.h (PROP_tmt_usage): New property.
1654 (TODO_update_tmt_usage): New todo.
1655 * tree-ssa-alias.c (updating_used_alone): New variable.
1656 (recalculate_used_alone): New function.
1657 (compute_may_aliases): Set updating_used_alone, call
1658 recalculate_used_alone.
1659 * tree-sra.c (pass_sra): Note that this pass destroys
1660 PROP_tmt_usage, and add TODO_update_tmt_usage.
1661 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1662 * tree-flow.h (updating_used_alone): Prototype.
1663 (recalculate_used_alone): Ditto.
1664 * passes.c (execute_todo): Add code to set updating_used_alone,
1665 and call recalculate.
1666 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1667 for clobber if used alone, and add assert to verify used_alone
1670 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1672 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1673 for non tls symbols added.
1674 (legitimize_address): Do nothing for PLUS expressions if one of the
1675 addends is a tls symbol reference.
1677 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1681 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1683 * Makefile.in (BOOTSTRAPPING): New.
1684 (quickstrap): New definition if BOOTSTRAPPING=yes.
1686 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1687 * configure.ac: Substitute all_selected_languages with the languages
1688 that were configured. For all the other variables except
1689 lang_specs_files, include all the languages in the tree.
1690 * configure: Regenerate.
1692 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1693 if there is one. Run the commands to run fixincludes in the same
1696 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1697 * doc/install.texi: Document exact conventions for searching target tools.
1698 Document --with-build-time-tools. Document toplevel bootstrap. Document
1699 something more about building an Ada cross-compiler. Don't list GNU Make
1700 requirements which affect all platforms.
1702 2006-02-19 Roger Sayle <roger@eyesopen.com>
1705 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1706 only equivalent if the have both the same mode and precision.
1708 2006-02-20 Ben Elliston <bje@au.ibm.com>
1710 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1712 2006-02-19 Roger Sayle <roger@eyesopen.com>
1713 Steven Bosscher <stevenb.gcc@gmail.com>
1715 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1716 constant pool references to identify stack mode constants.
1717 * rtlanal.c (constant_pool_constant_p): New predicate to check
1718 whether operand is a floating point constant in the pool.
1719 * rtl.h (constant_pool_constant_p): Prototype here.
1720 * loop.c (scan_loop): Avoid hoisting constants from the constant
1721 pool on STACK_REGS targets.
1722 (load_mems): Likewise.
1723 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1724 loads into x87 registers expensive in terms of register pressure.
1726 2006-02-19 Roger Sayle <roger@eyesopen.com>
1728 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1729 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1731 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1733 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1734 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1736 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1738 * doc/invoke.texi: Document -fipa-pta.
1739 * common.opt: Add ipa-pta option.
1740 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1741 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1742 (do_ds_constraint): Ditto.
1743 (get_constraint_for): Only add to referenced_vars if
1744 referenced_vars exists.
1745 (insert_into_field_list): Rewrite to do this unsorted.
1746 (insert_into_field_list_sorted): Rename old insert_into_field_list
1748 (create_function_info_for): Use insert_into_field_list_sorted.
1749 (create_variable_info_for): Rewrite so it uses unsorted version,
1750 since the field list is sorted.
1751 (intra_create_variable_infos): Only add to referenced_vars if
1752 referenced_vars exists.
1753 (ipa_pta_execute): Init heapvars, and delete when done.
1754 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1756 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1758 * doc/install.texi: Add missing `@samp'.
1760 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1762 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1765 2006-02-18 Mark Wielaard <mark@klomp.org>
1767 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1768 who added new 4.1 features, bug fixes and integration support.
1770 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1773 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1776 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1778 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1779 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1780 (copy_insn_1): Likewise. Don't copy each field individually.
1782 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1784 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1785 * rtl.c (rtx_size): Rename variable to...
1786 (rtx_code_size): ...this.
1787 (rtx_size): New function.
1788 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1789 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1791 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1792 * rtl.h (rtx_code_size): New variable.
1793 (rtx_size): Change from a variable to a function.
1794 (RTX_SIZE): Rename to...
1795 (RTX_CODE_SIZE): ...this.
1798 PR tree-optimization/17106
1799 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1800 (Anchored Addresses): New section.
1801 * doc/invoke.texi (-fsection-anchors): Document.
1802 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1803 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1804 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1805 * hooks.c (hook_bool_mode_rtx_false): New function.
1806 * hooks.h (hook_bool_mode_rtx_false): Declare.
1807 * gengtype.c (create_optional_field): New function.
1808 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1809 SYMBOL_REF_IN_BLOCK_P is true.
1810 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1811 (min_anchor_offset, max_anchor_offset): Likewise.
1812 (use_anchors_for_symbol_p): New hook.
1813 * toplev.c (compile_file): Call output_object_blocks.
1814 (target_supports_section_anchors_p): New function.
1815 (process_options): Check that -fsection-anchors is only used on
1816 targets that support it and when -funit-at-a-time is in effect.
1817 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1818 if the decl doesn't have one.
1819 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1820 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1821 of force_const_mem through use_anchored_address.
1822 (expand_expr_constant): New function.
1823 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1824 calling expand_expr for INDIRECT_REF.
1825 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1826 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1827 * expr.h (use_anchored_address): Declare.
1828 * loop-unroll.c: Don't declare rtx vectors here.
1829 * explow.c: Include output.h.
1830 (validize_mem): Call use_anchored_address.
1831 (use_anchored_address): New function.
1832 * common.opt (-fsection-anchors): New switch.
1833 * varasm.c (object_block_htab, anchor_labelno): New variables.
1834 (hash_section, object_block_entry_eq, object_block_entry_hash)
1835 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1836 (use_blocks_for_decl_p, change_symbol_section): New functions.
1837 (get_variable_section): New function, split out from assemble_variable.
1838 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1839 use_blocks_for_decl_p say so. Use change_symbol_section if the
1840 symbol has already been created.
1841 (assemble_variable_contents): New function, split out from...
1842 (assemble_variable): ...here. Don't output any code for
1843 block symbols; just pass them to place_block_symbol.
1844 Use get_variable_section and assemble_variable_contents.
1845 (get_constant_alignment, get_constant_section, get_constant_size): New
1846 functions, split from output_constant_def_contents.
1847 (build_constant_desc): Create a block symbol if use_object_blocks_p
1848 says so. Or into SYMBOL_REF_FLAGS.
1849 (assemble_constant_contents): New function, split from...
1850 (output_constant_def_contents): ...here. Don't output any code
1851 for block symbols; just pass them to place_section_symbol.
1852 Use get_constant_section and get_constant_alignment.
1853 (force_const_mem): Create a block symbol if use_object_blocks_p and
1854 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1855 (output_constant_pool_1): Add an explicit alignment argument.
1856 Don't switch sections here.
1857 (output_constant_pool): Adjust call to output_constant_pool_1.
1858 Switch sections here instead. Don't output anything for block symbols;
1859 just pass them to place_block_symbol.
1860 (init_varasm_once): Initialize object_block_htab.
1861 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1862 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1863 (place_block_symbol, get_section_anchor, output_object_block)
1864 (output_object_block_htab, output_object_blocks): New functions.
1865 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1866 (TARGET_ASM_OUT): Include it.
1867 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1868 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1869 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1870 (TARGET_INITIALIZER): Include them.
1871 * rtl.c (rtl_check_failed_block_symbol): New function.
1872 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1873 (block_symbol, object_block): New structures.
1874 (rtx_def): Add a block_symbol field to the union.
1875 (BLOCK_SYMBOL_CHECK): New macro.
1876 (rtl_check_failed_block_symbol): Declare.
1877 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1878 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1879 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1880 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1881 * output.h (output_section_symbols): Declare.
1882 (object_block): Name structure.
1883 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1884 (default_use_anchors_for_symbol_p): Declare.
1885 * Makefile.in (RTL_BASE_H): Add vec.h.
1886 (explow.o): Depend on output.h.
1887 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1888 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1889 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1890 (rs6000_use_blocks_for_constant_p): New function.
1892 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1894 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1896 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1899 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1902 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1904 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1908 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1911 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1912 instead of DECL_REGISTER.
1914 2006-02-18 Olivier Hainque <hainque@adacore.com>
1917 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1919 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1922 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1923 * opth-gen.awk: Handle Var and InverseMask together.
1924 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1925 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1926 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1927 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1929 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1930 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1931 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1932 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1933 LINUX_DYNAMIC_LINKER): Define.
1934 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1935 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1937 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1938 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1939 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1940 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1941 (TARGET_C99_FUNCTIONS): Don't define.
1942 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1943 GLIBC_DYNAMIC_LINKER.
1944 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1945 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1946 GLIBC_DYNAMIC_LINKER64): Define.
1947 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1948 LINUX_DYNAMIC_LINKER64.
1949 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1950 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1951 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1952 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1953 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1954 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1955 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1956 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1957 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1958 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1959 and LINUX_DYNAMIC_LINKER32.
1960 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1961 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1962 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1963 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1964 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1966 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1967 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1968 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1969 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1970 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1971 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1972 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1973 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1974 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1975 LINUX_DYNAMIC_LINKER): Define.
1976 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1977 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1978 GLIBC_DYNAMIC_LINKER64): Define.
1979 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1980 LINUX_DYNAMIC_LINKER64.
1981 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1982 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1983 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1984 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1985 LINUX_DYNAMIC_LINKER): Define.
1986 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1987 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1988 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1989 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1990 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1991 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1992 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1993 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1994 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1995 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1996 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1997 * doc/invoke.texi (-muclibc): Remove caveat about supported
2000 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2002 * doc/cpp.texi (__TIMESTAMP__): Document.
2004 2006-02-17 Roger Sayle <roger@eyesopen.com>
2007 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
2008 C is one less than the width of X (and related transformations).
2009 * simplify-rtx.c (simplify_unary_operation_1): Transform
2010 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
2011 depending on STORE_FLAG_VALUE, were C is one less then the
2014 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
2016 Fix PR tree-optimization/26341
2017 * tree-ssa-operands.c (add_virtual_operand): Remove assert
2018 about NAME_MEMORY_TAG's.
2020 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2023 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
2024 with hardware float support, and software float support. Add fcpy
2025 alternative to hardware patterns. Add alternatives to copy between
2026 general and floating-point registers to the 32-bit pattern.
2027 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
2028 secondary reload to load a QI or HI mode constant into a floating
2030 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
2031 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
2033 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
2036 * config/rs6000/darwin.md (load_macho_picbase_si): Add
2038 (load_macho_picbase_di): Likewise.
2040 2006-02-16 Jeff Law <law@redhat.com>
2042 * tree-vrp.c (set_value_range_to_nonnegative): New function.
2043 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
2044 (ssa_name_nonzero_p): Likewise.
2045 (get_value_range): Return NULL if VRP is not running.
2046 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
2047 VRP routines do not discover a range.
2048 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
2049 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
2050 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
2051 (tree_expr_nonnegative_p): Similarly.
2052 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
2053 (restore_nonzero_vars_to_original_value): Remove.
2054 (unsafe_associative_fp_binop): Remove.
2055 (tree_ssa_dominator_optimize): Remove initialization and
2056 finalization of nonzero_vars and nonzero_vars_stack.
2057 (dom_opt_initialize_block): No longer push marker on
2059 (dom_opt_finalize_block): No longer call
2060 restore_nonzero_vars_to_original_value.
2061 (record_equivalences_from_phis): No longer look for
2062 nonzero PHI arguments.
2063 (cprop_into_successor_phis): No longer propagate nonzero
2064 property into PHI arguments. Lose unused argument. Caller
2066 (record_equivalences_from_stmt): No longer record nonzero
2067 values for SSA_NAMEs.
2068 (lookup_avail_expr): No longer use nonzero_vars.
2070 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
2071 for sizetype when sizetype is unsigned.
2073 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
2075 PR rtl-optimization/25603
2076 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
2077 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
2078 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
2079 with new meaning of SETS.
2081 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
2086 * config/linux.opt: New file.
2087 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2088 LINUX_DYNAMIC_LINKER): Define.
2089 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
2090 * config.gcc (*-*-linux*): Define extra_options.
2091 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
2092 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
2093 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
2094 GLIBC_DYNAMIC_LINKER.
2095 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
2096 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2097 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2098 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2099 * doc/invoke.texi (GNU/Linux Options): New section.
2101 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2103 * config/sparc/sparc.md (setjmp): Rewrite.
2104 (setjmp_32): Delete.
2105 (setjmp_64): Likewise.
2107 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
2109 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
2112 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2114 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2117 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2119 PR rtl-optimization/26296
2120 * Makefile.in (loop-invariant.c): Add except.h dependency.
2121 * loop-invariant.c: Include except.h.
2122 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2124 2005-02-16 Paul Brook <paul@codesourcery.com>
2126 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2129 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2131 PR rtl-optimization/25636
2132 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2133 when deciding whether an insn is an initializing insn.
2135 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2137 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2138 (tree_code_size): Ditto.
2139 * tree.h (struct tree_memory_tag): Remove parent_var.
2140 (struct tree_struct_field_tag): New.
2143 (union tree_node): Add sft member.
2144 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2146 (create_sft): Add size and offset argument, set SFT_OFFSET and
2148 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2149 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2150 * tree-flow-inline.h (get_subvar_at): Update for
2151 SFT_OFFSET/SFT_SIZE.
2152 (var_can_have_subvars): Ditto.
2153 (overlap_subvar): Ditto.
2154 * print-tree.c (print_node): Print out interesting things for
2156 * tree-flow.h (struct subvar): Remove offset and size members.
2157 * tree-ssa-operands.c (get_expr_operands): Update for
2158 get_indirect_ref_operands changes.
2159 (get_indirect_ref_operands): Call add_virtual_operand instead of
2160 add_stmt_operand. Only recurse on base var if requested.
2161 (access_can_touch_variable): New function.
2162 (add_stmt_operand): Split virtual operand handling into ...
2163 (add_virtual_operand): Here. Add offset, size, and for_clobber
2164 arguments. Prune alias sets.
2165 (add_call_clobber_ops): Call add_virtual_operand.
2167 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2170 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2172 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2173 than TREE_CODE as index into omp_clause_num_ops array.
2175 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2177 PR rtl-optimization/26184
2178 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2180 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2181 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2182 must_precede, must_follow and tobe_scheduled.
2185 * opts.c (common_handle_option): Free new_option pointer.
2186 * df-core.c (df_analyze): Free postorder pointer.
2188 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2190 * Makefile.in: Fix the examples about the use of stamps
2192 2006-02-15 Michael Matz <matz@suse.de>
2196 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2197 influenced by maximum_field_alignment or DECL_PACKED.
2198 (update_alignment_for_field): Ditto.
2199 (place_field): Ditto.
2200 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2203 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2205 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2206 (debug_flow_info): Pass it.
2207 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2208 * bb-reorder.c (reorder_basic_blocks): Likewise.
2209 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2210 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2211 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2212 * gcse.c (gcse_main, bypass_jumps): Likewise.
2213 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2214 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2215 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2216 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2217 * rtl.h (dump_flow_info): Adjust prototype.
2218 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2219 * var-tracking.c (variable_tracking_main): Likewise.
2220 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2221 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2224 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2226 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2229 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2231 PR tree-optimization/26209
2232 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2233 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2235 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2237 2006-02-14 Roger Sayle <roger@eyesopen.com>
2240 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2241 (X,Y) and the corresponding symmetry related transformations.
2242 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2243 (X,Y) and its symmetry related transformations.
2245 2006-02-14 Roger Sayle <roger@eyesopen.com>
2247 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2250 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2252 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2254 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2257 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2258 support COMDAT group.
2259 * configure: Regenerate.
2261 2006-02-14 Roger Sayle <roger@eyesopen.com>
2266 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2268 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2270 Fix PR tree-optimization/26260
2272 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2274 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2275 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2276 * tree-ssa-structalias.c (create_variable_info_for): Use
2277 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2279 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2281 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2283 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2284 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2285 of the ending condition.
2286 * tree-ssa-loop-manip.c: Include params.h.
2287 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2288 tree_unroll_loop): New functions.
2289 * tree-pass.h (pass_loop_prefetch): Declare.
2290 * loop.c (rest_of_handle_loop_optimize): Test for
2291 -fprefetch-loop-arrays-rtl.
2292 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2293 * timevar.def (TV_TREE_PREFETCH): New timevar.
2294 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2295 pass_loop_prefetch): New.
2296 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2297 (cleanup_tree_cfg_loop): Call scev_reset.
2298 * common.opt (fprefetch-loop-arrays-rtl): Add.
2299 * tree-ssa-loop-prefetch.c: New file.
2300 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2301 (new_temp_expr_table): Initialize expr_vars.
2302 (free_temp_expr_table): Cleanup expr_vars.
2303 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2304 expressions from being merged into one.
2305 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2306 (struct tree_niter_desc): Add control, bound and cmp fields.
2307 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2309 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2310 (tree-cfgcleanup.o): Add SCEV_H dependency.
2311 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2312 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2314 2006-02-14 Richard Guenther <rguenther@suse.de>
2316 PR tree-optimization/26258
2317 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2318 in PHI argument processing.
2320 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2322 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2323 new expression in the requested machine mode.
2325 2006-02-13 Roger Sayle <roger@eyesopen.com>
2327 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2328 directly, instead let do_compare_rtx_and_jump handle this for us.
2329 * expr.c (expand_expr_real_1): Likewise.
2330 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2331 before do_jump_by_parts_greater.
2332 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2333 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2335 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2337 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2339 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2341 PR rtl-optimization/26235
2342 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2343 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2346 2006-02-13 Jeff Law <law@redhat.com>
2348 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2351 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2354 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2355 twice if decl is a builtin. When trying again, call get_callee_fndecl
2356 first to verify it is still a builtin.
2358 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2360 * dwarf2out.c (base_type_die): Don't add AT_name here.
2361 (subrange_type_die): Don't add AT_name here.
2362 (modified_type_die): Rearrange code flow. Do add AT_name here.
2364 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2366 PR rtl-optimization/26247
2367 PR rtl-optimization/26248
2368 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2370 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2372 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2373 * config/fixtfdi.c: Likewise.
2374 * config/fixunstfdi.c: Likewise.
2375 * config/floatditf.c: Likewise.
2377 2006-02-13 Roger Sayle <roger@eyesopen.com>
2380 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2381 into (X,C2) if C1 is a subset of the bits of C2. Transform
2382 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2384 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2386 2006-02-13 Josh Conner <jconner@apple.com>
2389 * varasm.c (function_section): Check for section name before
2390 calling select_section on targets that define
2391 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2392 unlikely_text_section instead of hot_function_section if
2393 first_function_block_is_cold.
2395 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2398 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2400 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2402 PR rtl-optimization/26222
2403 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2404 after tree->rtl expansion.
2405 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2406 before passing it to emit_move_insn.
2408 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2410 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2412 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2413 Clarify documentation.
2414 * c-common.h (warn_write_strings): Remove.
2415 * c-common.c (warn_write_strings): Likewise.
2416 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2419 2006-02-12 Roger Sayle <roger@eyesopen.com>
2422 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2423 (do_jump_parts_zero_rtx): New function renamed from
2424 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2425 (do_jump_parts_equality_rtx): New function split out from
2426 do_jump_parts_equality. Old implementation renamed as above.
2427 Call do_jump_parts_zero_rtx if either operand is zero.
2428 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2429 do all of the heavy lifting.
2430 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2431 calling either do_jump_by_parts_greater_rtx or
2432 do_jump_by_parts_equality_rtx.
2433 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2434 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2435 moved to do_compare_rtx_and_jump, call it directly.
2436 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2437 mode argument. Call do_compare_rtx_and_jump.
2438 (emit_case_nodes): Update calls to do_jump_if_equal.
2440 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2442 PR rtl-optimization/26225
2443 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2445 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2447 PR rtl-optimization/26232
2448 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2450 2006-02-11 Jason Merrill <jason@redhat.com>
2453 * tree-inline.c (declare_return_variable): Just don't use the
2454 modify target if it's a gimple complex reg and the return slot
2457 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2459 * doc/contrib.texi: Update my entry.
2461 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2463 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2465 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2467 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2470 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2472 * doc/invoke.texi (-floop-optimize2): Removed.
2473 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2474 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2475 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2476 * common.opt (floop-optimize2): Removed.
2477 (fmove-loop-invariants): Enabled by default.
2479 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2481 * tree-if-conv.c (combine_blocks): Free the result of
2482 get_loop_exit_edges.
2484 2006-02-10 Jeff Law <law@redhat.com>
2486 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2488 PR tree-optimization/26213
2489 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2490 loop trying to follow SSA_NAME_VALUE chains.
2492 2006-02-10 Richard Guenther <rguenther@suse.de>
2494 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2495 deal with structures that end in implicitly variable sized arrays.
2497 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2499 PR rtl-optimization/24762
2500 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2503 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2505 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2506 (struct ivopts_data): Add regs_used field.
2507 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2508 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2509 instead of loop_data->regs_used;
2510 (free_loop_data): Do not free aux fields for loops.
2511 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2512 and tree_ssa_iv_optimize_finalize.
2514 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2516 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2518 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2521 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2522 computing the effective result type.
2524 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2527 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2528 (tree_overlaps_hard_reg_set): Declare.
2529 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2530 type and signature to match function type expected by walk_tree.
2531 (tree_overlaps_hard_reg_set): New function.
2532 (decl_conflicts_with_clobbers_p): Rename to:
2533 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2534 Use tree_overlaps_hard_reg_set. Changed caller.
2535 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2536 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2537 * cris.c (cris_md_asm_clobbers): Likewise.
2539 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2541 * reload1.c (emit_input_reload_insns): Delete code that tries to
2542 inherit using find_equiv_reg.
2544 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2546 * c-common.h (flag_const_strings): Don't declare.
2547 * c-common.c (flag_const_strings): Remove.
2548 * c.opt (fconst_strings): Remove.
2549 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2550 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2551 (c_common_init_options): Don't set flag_const_strings.
2552 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2554 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2556 * arm.md (tlobits_cbranch): New pattern.
2557 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2558 testing a single bit.
2560 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2563 * tree-ssa-pre.c (create_component_ref_by_pieces):
2564 Handle RETURN_DECL like VAR_DECL.
2566 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2569 * fold-const.c (fold_indirect_ref_1): Fold
2570 "*(foo *)&complexfoo" to "__real__ complexfoo"
2571 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2573 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2575 * tree-flow-inline.h (var_can_have_subvars):
2576 Volatile variables should not have subvariables.
2578 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2581 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2582 multiplying unsigned values.
2585 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2587 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2589 2006-02-08 Jason Merrill <jason@redhat.com>
2592 * tree.def: Elaborate on difference from MODIFY_EXPR.
2593 * doc/c-tree.texi (INIT_EXPR): Likewise.
2594 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2595 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2596 (gimplify_target_expr): Likewise.
2597 (gimplify_cond_expr): Remove target handling.
2598 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2599 (gimplify_expr): Clobber it here.
2600 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2601 Do return slot optimization if we have an INIT_EXPR.
2604 * tree-inline.c (declare_return_variable): Also clear
2605 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2608 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2611 * gimplify.c (gimplify_one_sizepos): Fix typo.
2613 2006-02-08 Jeff Law <law@redhat.com>
2615 PR tree-optimization/21417
2616 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2617 across a backedge if the control statement at the end of the
2618 block is data dependent on other statements in the same block.
2619 (record_temporary_equivalences_from_stmts): Remove over-conservative
2620 test for threading across backedges.
2622 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2623 control statement, handle all three special cases in the same
2624 manner as they all have the same desired solution. No longer
2625 special case edge flag updating when the post dominator is
2628 2006-02-08 Roger Sayle <roger@eyesopen.com>
2630 * tree.def (CHAR_TYPE): Remove.
2631 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2632 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2633 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2634 (gen_string_type_die): Delete unreachable function.
2636 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2637 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2638 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2639 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2640 * builtins.c (type_to_class): Likewise.
2641 * fold-const.c (fold_convert, build_range_check,
2642 merge_ranges): Likewise.
2643 * expr.c (count_type_elements): Likewise.
2644 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2645 * stor-layout.c (layout_type): Likewise.
2646 * ipa-type-escape.c (type_to_consider): Likewise.
2647 * gimplify.c (omp_firstprivatize_type_sizes,
2648 gimplify_type_sizes): Likewise.
2649 * explow.c (promote_mode): Likewise.
2650 * tree-sra.c (is_sra_scalar_type): Likewise.
2651 * varasm.c (output_constant): Likewise.
2652 * tree-inline.c (remap_type_1): Likewise.
2653 * convert.c (convert_to_pointer, convert_to_real,
2654 convert_to_integer, convert_to_complex): Likewise.
2656 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2658 * df-scan.c (df_def_record_1): A set destination may
2659 be a parallel regardless of mode.
2661 2006-02-08 Roger Sayle <roger@eyesopen.com>
2664 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2665 * config/mips/_tilib.c: Remove.
2666 * config/fixtfdi.c: New libgcc source file.
2667 * config/fixunstfdi.c: New source file.
2668 * config/floatditf.c: New source file.
2669 * config/floatunditf.c: New souce file.
2670 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2671 files above instead of config/mips/_tilib.c.
2672 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2674 2006-02-08 Jeff Law <law@redhat.com>
2676 PR tree-optimization/26169
2677 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2680 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2682 * df.h (DF_REG_SIZE): Return the length of the initialized
2685 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2687 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2688 __muldf3): Return a correctly signed zero.
2690 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2692 * passes.c (register_one_dump_file): Accept the current properties
2693 instead of pass number. Adjust call to dump_register. Remove
2695 (register_dump_files): Now a wrapper around...
2696 (register_dump_files_1): ... this one. Do not modify the pass
2698 (next_pass_1): Cosmetic fix.
2699 (execute_todo): Keep second parameter only. Use curr_properties
2700 instead of fetching it from the pass structure. Check and set
2702 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2703 instead of fetching it from the pass structure. Fix calls to
2704 execute_todo. Update curr_properties and initialize .vcg RTL dump
2705 after running the pass. Reset last_verified.
2706 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2708 (FIRST_AUTO_NUMBERED_DUMP): New.
2709 (dump_register): Remove "num" parameter, assign it within the
2711 (get_dump_file_name): Modify template for dumps.
2712 * tree-dump.h (dump_register): Adjust prototype.
2713 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2714 (PROP_trees): Add PROP_gimple_lomp.
2715 (TODO_set_props): New.
2716 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2717 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2718 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2720 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2722 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2723 (sparc64-*-linux*): Likewise.
2724 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2725 * config/sparc/t-linux: New file.
2726 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2727 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2728 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2729 -m32 -mlong-double-128.
2731 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2732 * config/alpha/t-linux: New file.
2733 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2735 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2736 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2737 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2738 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2739 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2740 (CPP_ARCH32_SPEC): Remove.
2742 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2744 PR tree-optimization/26145
2745 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2748 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2751 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2752 >= 240000 when generating code for SOM runtime.
2753 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2754 to $$dyncall when generating code for SOM runtime..
2756 2006-02-07 Dirk Mueller <dmueller@suse.com>
2759 * doc/invoke.texi (-Wsequence-point): Update documentation
2760 that -Wsequence-point is implemented for C++ as well.
2762 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2764 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2765 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2766 (LIB_SPEC): Likewise.
2767 * doc/invoke.texi (SPARC options): Document -pthread.
2769 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2771 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2774 2006-02-07 Roger Sayle <roger@eyesopen.com>
2776 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2777 Correct comment describing BOOLEAN_TYPE.
2779 2006-02-07 Dirk Mueller <dmueller@suse.com>
2781 * c.opt: C++ frontend supports -Wdiv-by-zero.
2782 * c-opts.c (c_common_handle_option): Remove dead case.
2784 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2786 * configure.ac (TLS assembler check): Do not enable TLS by
2787 default on SPARC/Solaris before version 10.
2788 * configure: Regenerate.
2790 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2792 * doc/invoke.texi (xl-compat): Document conversion and support
2795 2006-02-07 Jeff Law <law@redhat.com>
2797 * tree-vrp.c (find_conditional_asserts): Update comments.
2798 (simplify_stmt_for_jump_threading): New.
2799 (identify_jump_threads, finalize_jump_threads): New.
2800 (vrp_finalize): Call identify_jump_threads.
2801 (execute_vrp): Call finalize_jump_threads.
2802 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2803 (vrp_element, vrp_data, vrp_element_p): Remove.
2804 (vrp_hash_elt, vrp_variables_stack): Remove.
2805 (vrp_hash, vrp_eq, record_range): Remove.
2806 (simplify_cond_and_lookup_avail_expr): Remove.
2807 (extract_range_from_cond): Remove.
2808 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2809 (simplify_stmt_for_jump_threading): New.
2810 (dom_thread_across_edge): New wrapper.
2811 (tree_ssa_dominator_optimize): No longer initialize or
2812 finalize any of the VRP datastructures. Remove iteration
2813 step and simplify as a result of removal of iteration step.
2814 (pass_dominator): Perform a cfg cleanup after DOM.
2815 (dom_opt_finalize_block): Use the new common routines
2816 for threading jumps. Simplify stack management slightly.
2817 No longer need to unwind VRP state.
2818 (record_equivalences_from_incoming_edge): No longer record
2820 (eliminate_redundant_computations): No longer call
2821 simplify_cond_and_lookup_avail_expr.
2822 * tree-flow.h (potentially_threadable_block): Prototype.
2823 (thread_across_edge): Likewise.
2824 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2825 (tree-ssa-threadedge.o): Add dependencies.
2826 * tree-ssa-threadedge.c: New file.
2827 * passes.c (init_optimization_passes): Merge PHIs before
2828 calling VRP. Run VRP again late in the SSA optimization pipeline.
2830 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2832 * df-core.c (df_set_blocks): Do not dereference function pointers.
2833 (df_finish1): Likewise.
2834 (df_hybrid_search_forward): Likewise.
2835 (df_hybrid_search_backward): Likewise.
2836 (df_iterative_dataflow): Likewise.
2837 (df_analyze_problem): Likewise.
2838 (df_compact_blocks): Likewise.
2839 (df_dump): Likewise.
2840 * df-scan.c (df_rescan_blocks): Likewise.
2841 (df_record_entry_block_defs): Likewise.
2843 * genconditions.c (write_conditions): Guard the definition of
2844 'insn_conditions' with the check on GCC version.
2845 (write_writer): Guard the traversal 'insn_conditions' with
2846 the check on GCC version.
2848 2006-02-07 Richard Guenther <rguenther@suse.de>
2852 2006-01-30 Richard Guenther <rguenther@suse.de>
2854 * gimplify.c (gimplify_target_expr): Handle easy cases
2855 without creating a temporary.
2857 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2859 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2860 use of float in probability computations. Use edge probabilities
2861 in place of statically computed probabilities.
2862 (min_spec_prob): New static variable.
2863 (schedule_insns): Initialize it.
2864 (GET_SRC_PROB): Removed.
2865 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2867 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2870 * config/ia64/unwind-ia64.c: Revert last change.
2871 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2872 (INCOMING_FRAME_SP_OFFSET): Define.
2874 2006-02-06 Roger Sayle <roger@eyesopen.com>
2876 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2878 2006-02-07 Ben Elliston <bje@au.ibm.com>
2880 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2881 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2882 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2883 (ix86_return_in_memory): Handle TDmode.
2884 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2885 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2887 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2889 * reorg.c (dbr_schedule): Use dump_file instead of file.
2891 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2894 * config/ia64/predicates.md (extr_len_operand): New predicate.
2895 * config/ia64/ia64.md (extv): Tighten constraints.
2897 (*tbit_and_2): Ditto.
2898 (*tbit_and_3): Ditto.
2899 (*tbit_or_2): Ditto.
2900 (*tbit_or_3): Ditto.
2904 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2907 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2909 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2911 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2912 loop_optimizer_init and loop_optimizer_finalize
2913 * tree-ssa-sink.c (execute_sink_code): Ditto.
2914 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2915 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2916 tree_ssa_loop_done): Ditto.
2917 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2918 * sched-ebb.c: Include output.h.
2919 (schedule_ebbs): Do not use dump argument.
2920 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2921 * loop.c (loop_dump_stream): Removed.
2922 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2924 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2925 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2926 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2927 loop_iterations, strength_reduce, record_biv, record_giv,
2928 final_giv_value, check_final_value, check_ext_dependent_givs,
2929 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2930 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2931 dump_file instead of loop_dump_stream.
2932 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2934 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2936 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2937 * haifa-sched.c: Include output.h
2938 (schedule_insns, sched_init): Do not use dump argument.
2939 * mode-switching.c (optimize_mode_switching): Ditto.
2940 * modulo-sched.c (stats_file): Removed.
2941 (print_node_sched_params): Do not call argument dump_file.
2942 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2943 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2945 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2947 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2948 rtl_loop_init, rtl_loop_done): Ditto.
2949 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2950 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2952 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2953 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2954 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2955 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2956 * emit-rtl.c (renumber_insns): Ditto.
2957 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2958 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2959 * regclass.c (regclass): Ditto.
2960 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2961 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2962 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2963 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2965 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2966 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2968 * gcse.c (gcse_file, debug_stderr): Removed.
2969 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2970 rest_of_handle_gcse): Do not use dump argument.
2971 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2972 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2973 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2974 compute_code_hoist_vbeinout, compute_code_hoist_data,
2975 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2976 compute_store_table, build_store_vectors, insert_insn_start_bb,
2977 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2978 store_motion): Use dump_file instead of gcse_file.
2979 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2980 * profile.c (profile_dump_file): Removed.
2981 (branch_prob): Use dump_file instead of profile_dump_file.
2982 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2984 * tree-ssa-copy.c (dump_copy_of): Ditto.
2985 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2986 dump file to life_analysis.
2987 * bt-load.c (branch_target_load_optimize): Ditto.
2988 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2990 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2991 regclass, dbr_schedule): Declaration changed.
2992 * sched-int.h (sched_init): Declaration changed.
2993 * tree-profile.c (tree_profile_dump_file): Removed.
2994 (tree_profile_hooks): Removed profile_dump_file hook.
2995 * rtl-profile (rtl_profile_dump_file): Removed.
2996 (rtl_profile_hooks): emoved profile_dump_file hook.
2997 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2999 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
3000 * tree-cfg.c (build_tree_cfg): Ditto.
3001 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
3002 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
3003 Declaration changed.
3004 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
3005 life_analysis and schedule_insns.
3006 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
3008 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
3010 * config/mips/mips.c (mips_reorg): Ditto.
3011 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
3014 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
3016 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3017 (s390_mangle_fundamental_type): New.
3018 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3021 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3022 (alpha_mangle_fundamental_type): New.
3023 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3026 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3028 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3030 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3031 (sparc_mangle_fundamental_type): New.
3033 2006-02-06 Jakub Jelinek <jakub@redhat.com>
3035 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
3036 (s390x-*-linux*): Likewise.
3037 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
3038 * config/s390/t-linux: New file.
3040 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3042 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
3043 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
3045 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
3047 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
3048 (ANTIC_SAFE_LOADS): New macro.
3049 (find_or_generate_expression): Add prototype.
3050 (set_contains_value): Allow null set for sake of not always having
3051 to allocate ANTIC_SAFE_LOADS.
3052 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
3053 Allow COMPONENT_REF too.
3054 (valid_in_set): Allow COMPONENT_REF.
3055 Check ANTIC_SAFE_LOADS too.
3056 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
3057 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
3059 (can_PRE_operation): Add COMPONENT_REF.
3060 (create_component_ref_by_pieces): New function.
3061 (create_expression_by_pieces): Use create_component_ref_by_pieces.
3062 (insert_aux): Move AGGREGATE_TYPE_P check here.
3063 (compute_avail): Set bb local stmt uids.
3064 (pass_pre): Use TODO_update_ssa_only_virtuals.
3066 2006-02-06 Ben Elliston <bje@au.ibm.com>
3068 * configure.ac: Unconditionally disable decimal float by default.
3069 * configure: Regenerate.
3071 2006-02-06 Ben Elliston <bje@au.ibm.com>
3073 * read-rtl.c (read_name): Terminate reading on EOF.
3075 2006-02-06 Ben Elliston <bje@au.ibm.com>
3077 * dfp.c (decimal_real_arithmetic): Change second argument type
3078 from int to enum tree_code. Do not always return true, but now
3079 return result of any call to decimal_do helper functions.
3080 * dfp.h (decimal_real_arithmetic): Update prototype.
3082 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3084 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
3086 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
3089 * tree-cfg.c (cleanup_dead_labels): Also don't remove
3092 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3094 * tree-vrp.c (cfg_loops): Removed.
3095 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
3096 Use current_loops instead of cfg_loops. Pass flags to
3097 loop_optimizer_init.
3098 * cfgloopmanip.c (fix_loop_structure): Update only available
3100 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
3101 loop_optimizer_init.
3102 * modulo-sched.c (build_loops_structure): Removed.
3103 (sms_schedule): Use loop_optimizer_init.
3104 * loop-init.c (loop_optimizer_init): Use flags to determine
3105 which properties of loops to prepare.
3106 (rtl_loop_init): Pass flags to loop_optimizer_init.
3107 * tree-ssa-sink.c (execute_sink_code): Ditto.
3108 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3109 * tree-ssa-pre.c (init_pre): Ditto.
3110 * cfgloop.h (LOOPS_NORMAL): New.
3111 (loop_optimizer_init): Declaration changed.
3113 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3115 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3116 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3118 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3120 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3122 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3123 * pa/t-pa64: Delete quadlib.c rule.
3124 * pa/x-ada: Revert last change.
3125 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3127 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3129 PR rtl-optimization/26087
3130 * rtlanal.c (canonicalize_condition): Do not cross basic block
3133 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3136 * config/ia64/ia64.c: Include debug.h.
3137 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3138 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3139 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3140 (process_epilogue, process_set, process_for_unwind_directive):
3141 Output unwind info only if requested. Add CFA info if requested.
3142 Add new arguments as needed. Adjust callers.
3143 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3145 (DWARF2_FRAME_INFO): Define to zero.
3146 * config/ia64/unwind-ia64.c: Remove code that compensated for
3147 the CFA offset error fixed above.
3148 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3149 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3150 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3151 -funwind-tables and -fexceptions to enable frame info.
3152 (dwarf2out_frame_init): Define initial CFA even if
3153 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3154 DWARF2_UNWIND_INFO is nonzero, not just defined.
3155 (dwarf2out_frame_finish): Output non-EH call frame info only
3156 if DWARF2_FRAME_INFO is nonzero.
3157 (convert_cfa_to_loc_list,
3158 compute_frame_pointer_to_cfa_displacement): Define even if
3159 unwind info is not supported.
3160 (gen_subprogram_die): Use the above unconditionally. Remove
3161 legacy alternate code.
3162 * toplev.c (compile_file): Compile in call to
3163 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3164 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3166 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3167 Jakub Jelinek <jakub@redhat.com>
3169 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3170 IBM extended float format long double as "g" on powerpc*-linux.
3172 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3175 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3176 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3178 2006-02-03 Jason Merrill <jason@redhat.com>
3181 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3184 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3185 on the return slot if it's an NRV.
3187 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3189 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3190 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3191 rewrite_use): Do not handle USE_OUTER.
3192 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3193 add_iv_outer_candidates, may_replace_final_value,
3194 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3195 (find_interesting_uses_op): Functionality of
3196 find_interesting_uses_outer_or_nonlin moved here.
3197 (find_interesting_uses_outside): Use find_interesting_uses_op.
3199 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3202 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3204 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3205 Ulrich Weigand <uweigand@de.ibm.com>
3208 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3209 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3210 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3211 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3213 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3214 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3215 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3216 Define secondary reloads for TFmode moves.
3217 (constant_modes): Add TFmode.
3218 (NR_C_MODES): Set to 8.
3219 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3221 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3222 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3223 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3224 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3225 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3226 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3227 (FPR mode macro): Add TFmode.
3228 (DSF mode macro): New.
3229 (<de>, <dee> mode attributes): Removed.
3230 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3231 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3232 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3233 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3234 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3235 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3236 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3237 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3238 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3239 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3240 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3241 "*negabs<mode>2", "sqrt<mode>2"):
3242 Changed <de> to <xde>. R constraint replaced by <Rf>.
3243 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3245 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3246 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3247 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3249 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3250 "extenddftf2", "extendsftf2"): New expanders.
3251 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3252 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3253 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3254 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3256 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3257 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3258 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3259 __floatditf): Add a GCC_4.1.0 symbol version tag.
3260 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3263 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3266 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3267 Use targetm.binds_local_p instead of TREE_PUBLIC.
3269 2006-02-02 Roger Sayle <roger@eyesopen.com>
3271 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3272 on INTEGER_TYPEs to indicate that it denotes a character type.
3273 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3274 signed_char_type_node, unsigned_char_type_node and char_type_node.
3275 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3276 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3277 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3279 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3280 Daniel Berlin <dberlin@dberlin.org>
3282 * tree-tailcall.c (arg_needs_copy_p): New function.
3283 (eliminate_tail_call): Use arg_needs_copy_p.
3284 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3285 (add_virtual_phis): New function.
3287 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3289 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3290 #ignore instead of #scratch for %g7 .register directive.
3292 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3294 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3297 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3299 * flow.c (calculate_global_regs_live): Assert that there aren't any
3302 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3304 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3306 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3307 bsi_after_labels iterator.
3308 * tree-if-conv.c (find_phi_replacement_condition,
3309 replace_phi_with_cond_modify_expr): Likewise.
3310 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3311 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3313 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3315 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3317 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3320 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3321 array after growing it.
3323 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3326 * fold-const.c (fold_checksum_tree): Change type of buf.
3328 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3330 * reload.c (push_secondary_reload): Initialize t_icode.
3332 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3334 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3335 -msoft-float -mlong-double-128 only issue a warning, but don't
3336 swich to DFmode long double.
3338 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3340 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3341 has a constant equivalent, iterate over equivalents for arg0,
3342 calling simplify_relational_operation and if there's a result
3343 cheaper than X, apply fold_rtx and return the result.
3345 2006-02-01 Jan Hubicka <jh@suse.cz>
3347 * opts.c (no_unit_at_a_time_default): New global variable.
3348 (decode_options): Use it.
3349 * opts.h (no_unit_at_a_time_default): Declare.
3351 2006-02-01 Paul Brook <paul@codesourcery.com>
3353 * function.c (assign_parm_setup_reg): Use function argument promotion
3355 * expr.c (expand_expr_real_1): Use function argument promotion rules
3358 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3360 * gcc.c (process_command): Change j to 'unsigned int'.
3362 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3365 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3366 Use the corrected index for the character
3367 out of the string constant.
3369 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3371 * mode-switching.c (optimize_mode_switching): Fix size
3372 allocated for bb_info[n_entities].
3374 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3376 * gcc.c (main): Correct type that is allocated for
3377 explicit_link_files.
3379 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3381 * config/s390/s390.c (init_alignment_context): Set
3382 ALIAS_SET_MEMORY_BARRIER on the MEM.
3383 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3385 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3388 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3390 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3393 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3395 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3396 * regrename.c: Ditto.
3397 * tree-ssa-loop-im.c: Ditto.
3398 * tree-dump.c: Ditto.
3399 * tree-complex.c: Ditto.
3400 * genrecog.c: Ditto.
3401 * tree-ssa-threadupdate.c: Ditto.
3403 * java/class.c: Ditto.
3404 * java/jcf-parse.c: Ditto.
3405 * java/resource.c: Ditto.
3406 * java/except.c: Ditto.
3407 * java/jvspec.c: Ditto.
3408 * java/jcf-write.c: Ditto.
3409 * java/jcf-path.c: Ditto.
3410 * java/gjavah.c: Ditto.
3411 * java/zextract.c: Ditto.
3412 * java/jcf-io.c: Ditto.
3413 * java/jcf.h: Ditto.
3414 * java/buffer.c: Ditto.
3415 * java/lang.c: Ditto.
3416 * java/parse-scan.y: Ditto.
3417 * java/lex.c: Ditto.
3418 * java/lex.h: Ditto.
3419 * cfgloopmanip.c: Ditto.
3420 * postreload-gcse.c: Ditto.
3421 * tree-ssa-loop-manip.c: Ditto.
3422 * postreload.c: Ditto.
3423 * tree-ssa-loop-ch.c: Ditto.
3427 * diagnostic.c: Ditto.
3429 * genoutput.c: Ditto.
3431 * cfghooks.c: Ditto.
3432 * cfgloopanal.c: Ditto.
3433 * objc/objc-act.c: Ditto.
3435 * genextract.c: Ditto.
3436 * genautomata.c: Ditto.
3437 * pretty-print.c: Ditto.
3439 * cgraphunit.c: Ditto.
3442 * haifa-sched.c: Ditto.
3443 * dominance.c: Ditto.
3445 * tree-ssa-loop-ivopts.c: Ditto.
3447 * mode-switching.c: Ditto.
3448 * modulo-sched.c: Ditto.
3450 * ipa-pure-const.c: Ditto.
3452 * fix-header.c: Ditto.
3454 * tree-stdarg.c: Ditto.
3455 * ipa-utils.c: Ditto.
3456 * loop-init.c: Ditto.
3457 * ipa-inline.c: Ditto.
3460 * alloc-pool.c: Ditto.
3461 * dwarf2out.c: Ditto.
3463 * genattrtab.c: Ditto.
3464 * tree-ssa-loop-ivcanon.c: Ditto.
3468 * fortran/gfortranspec.c: Ditto.
3470 * local-alloc.c: Ditto.
3471 * langhooks.c: Ditto.
3472 * function.c: Ditto.
3473 * tree-vectorizer.c: Ditto.
3475 * ipa-type-escape.c: Ditto.
3477 * tree-if-conv.c: Ditto.
3480 * tree-data-ref.c: Ditto.
3481 * loop-unroll.c: Ditto.
3482 * treelang/treetree.c: Ditto.
3485 * ggc-common.c: Ditto.
3487 * coverage.c: Ditto.
3489 * tree-cfgcleanup.c: Ditto.
3490 * tree-ssa-pre.c: Ditto.
3491 * cfgcleanup.c: Ditto.
3492 * loop-invariant.c: Ditto.
3494 * ipa-prop.c: Ditto.
3495 * print-tree.c: Ditto.
3496 * conflict.c: Ditto.
3497 * ggc-page.c: Ditto.
3498 * sched-deps.c: Ditto.
3499 * regclass.c: Ditto.
3500 * tree-object-size.c: Ditto.
3502 * bb-reorder.c: Ditto.
3503 * resource.c: Ditto.
3504 * var-tracking.c: Ditto.
3506 * df-problems.c: Ditto.
3507 * reg-stack.c: Ditto.
3510 * sched-rgn.c: Ditto.
3511 * tree-ssa-structalias.c: Ditto.
3512 * tree-ssa-reassoc.c: Ditto.
3513 * config/darwin-c.c: Ditto.
3514 * config/darwin.c: Ditto.
3515 * config/arm/arm.c: Ditto.
3517 * collect2.c: Ditto.
3520 2006-01-31 Nicolas Pitre <nico@cam.org>
3522 * arm.md (smaxsi3): Make aware of smax_m1.
3525 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3527 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3529 2006-01-31 Richard Guenther <rguenther@suse.de>
3531 * doc/invoke.texi (-msselibm): Document.
3532 * target.h (expand_library_builtin): New target hook.
3533 * builtins.c (expand_builtin): Use expand_library_builtin.
3534 (default_expand_library_builtin): New function.
3535 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3536 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3537 (link_gcc_math_spec): Declare.
3538 (static_specs): Add link_gcc_math_spec.
3539 * expr.h (default_expand_library_builtin): Declare.
3540 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3541 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3542 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3543 * config/i386/i386.opt (msselibm): New target option.
3544 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3545 (ix86_init_sse_abi_builtins): New function.
3546 (ix86_expand_library_builtin): Likewise.
3547 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3548 (override_options): Handle error conditions wrt -msselibm.
3549 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3550 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3551 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3554 2006-01-31 Richard Guenther <rguenther@suse.de>
3555 Paolo Bonzini <bonzini@gnu.org>
3557 * doc/install.texi (--disable-libgcc-math): Document.
3559 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3561 * expr.h (expand_normal): new inline function.
3562 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3564 * dwarf2out.c: use it.
3569 * config/sparc/sparc.c: use it.
3570 * config/i386/i386.c: use it.
3571 * config/rs6000/rs6000.c: use it.
3572 * config/arm/arm.c: use it.
3573 * config/mips/mips.c: use it.
3574 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3576 2006-01-30 Roger Sayle <roger@eyesopen.com>
3578 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3579 argv to the appropriate type.
3581 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3583 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3586 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3589 * config/s390/s390.c (struct machine_function): New flag
3590 decomposed_literal_pool_addresses_ok_p.
3591 (s390_reorg): Set it before final stage of literal pool transforms.
3592 (s390_decompose_address): Only accept displacements of the form
3593 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3595 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3597 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3598 the comparison routine return.
3600 2006-01-30 Michael Matz <matz@suse.de>
3602 * global.c (find_reg): Only evict for global regs.
3603 Take n_refs into account and dump more info.
3605 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3608 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3609 (pragma_trap, pragma_nosave_low_regs): Likewise.
3610 (current_function_anonymous_args): Likewise.
3611 (sh_deferred_function_attributes): New variable.
3612 (sh_deferred_function_attributes_tail): Likewise.
3613 (print_operand): For '@', look up trap_exit attribute.
3614 (calc_live_regs): Look up trapa_handler attribute. For trapa
3615 handlers, save/restore fpscr, but don't do any other
3616 interrupt-specific saves.
3617 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3618 Fix check for partially saved registers to check for SHmedia.
3619 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3620 (sh_output_function_epilogue): Don't clear any of the removed
3622 (sh_insert_attributes): Don't check pragma_interrupt.
3623 Insert deferred attributes. Check that interrupt attribute is
3624 present for other attributes that require its presence.
3625 (sh_attribute_table): Add new attributes trapa_handler and
3627 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3628 Don't check for pragma_interrupt. Don't store argument.
3629 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3630 (sh_deferred_function_attributes): Declare.
3631 (sh_deferred_function_attributes_tail): Likewise.
3632 * sh.md (sp_switch_1): Add operand. Change generator caller.
3633 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3634 (*return_i): Don't use when trap_exit attribute is in effect.
3635 (*return_trapa): New insn pattern.
3637 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3638 setting c_target_objs and cxx_target_objs.
3639 * t-sh: Add rule for sh-c.o.
3641 2006-01-30 Richard Guenther <rguenther@suse.de>
3644 * gimplify.c (gimplify_target_expr): Handle easy cases
3645 without creating a temporary.
3647 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3649 * vec.h (safe_grow): Remove duplicated line.
3651 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3654 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3655 (expand_omp): ... here.
3656 (expand_omp_parallel): Only remove barriers for combined
3657 parallel+workshare constructs.
3659 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3663 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3664 * tree.c (build_qualified_type): Chain the new type to the original
3665 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3666 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3667 (build_pointer_type_for_mode): Only return unqualified types.
3668 (build_reference_type_for_mode): Likewise.
3670 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3672 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3673 * Makefile.in (CXX_COMPAT_WARN): Define.
3674 * configure: Regenerate.
3676 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3679 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3682 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3684 * toplev.c: Fix thinko.
3686 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3687 Marcin Dalecki <martin@dalecki.de>
3689 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3690 (push_srcloc): Use XNEW.
3691 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3693 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3695 * df-core.c (df_set_blocks): Deleted all variable.
3697 2006-01-28 Ian Lance Taylor <ian@airs.com>
3699 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3700 cgraph_output_pending_asms.
3702 2006-01-28 Zack Weinberg <zackw@panix.com>
3704 * c.opt: Add -W(no-)overlength-strings.
3705 * doc/invoke.texi: Document it.
3706 * c-opts.c (c_common_handle_option): -pedantic implies
3707 -Woverlength-strings, if not explicitly disabled already.
3708 (c_common_post_options): -Woverlength-strings defaults to off, and
3709 is always off for C++.
3710 * c-common.c (fix_string_type): Issue warning about strings longer
3711 than is portable only if warn_overlength_strings. Rearrange code
3712 a little for clarity.
3713 * configure.in: Check for -Wno-overlength-strings as well before
3714 enabling -pedantic in stage 1.
3715 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3716 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3718 * genconditions.c (write_header, write_one_condition)
3719 (write_conditions, write_writer): Consolidate very long strings
3720 that were broken up to fit in C89 portable limit. Don't use
3721 printf when fputs will do.
3723 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3725 * combine.c (simplify_comparison <AND>): Check
3726 TRULY_NOOP_TRUNCATION before start using a subreg.
3728 * config/mips/mips.md (*branch_zero<mode>,
3729 *branch_zero<mode>_inverted, *branch_equality<mode>,
3730 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3731 Remove mode check from comparisons.
3733 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3735 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3737 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3739 * expmed.c (const_mult_add_overflow_p): Remove.
3740 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3742 * recog.c (validate_replace_rtx_subexp): Remove.
3743 * recog.h: Remove the prototype for
3744 validate_replace_rtx_subexp.
3746 * integrate.h: Remove the prototype for
3747 copy_decl_for_inlining.
3748 * rtl.h: Remove the prototype for mark_constant_function.
3749 * tree-vectorizer.h: Remove the prototype for
3750 vect_strip_conversion.
3752 * modulo-sched.c (create_partial_schedule,
3753 free_partial_schedule, reset_partial_schedule): Make them
3756 * hooks.c (hook_bool_rtx_int_false): Remove.
3757 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3759 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3761 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3762 and -mlong-double-128 are incompatible.
3763 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3764 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3765 (TARGET_LIBGCC2_CFLAGS): Define.
3766 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3767 (TARGET_LIBGCC2_CFLAGS): Same.
3768 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3770 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3773 * c-typeck.c (build_binary_op): Perform implicit casts of
3774 operands before shortening them.
3776 * cfgloopmanip.c (split_loop_bb): Remove.
3777 * cfgloop.h: Remove the prototype for split_loop_bb.
3779 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3780 * cfgloop.h: Remove the prototype for
3781 flow_loop_outside_edge_p.
3783 * emit-rtl.c (init_virtual_regs): Make it static.
3784 * function.h: Remove the prototype for init_virtual_regs.
3786 * recog.c (peephole2_optimize): Make it static.
3787 * recog.h: Remove the prototype for peephole2_optimize.
3789 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3791 * df-scan.c (df_record_entry_block_defs): Check if
3792 INCOMING_RETURN_ADDR_RTX is defined.
3794 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3795 Kenneth Zadeck <zadeck@naturalbridge.com>
3797 PR rtl-optimization/24762
3798 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3799 * targhooks.c (hook_void_bitmap): New hook prototype.
3800 * targhoohs.h (hook_void_bitmap): Ditto.
3801 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3802 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3803 * target.h (live_on_entry): New function pointer.
3804 * df-scan.c (df_all_hard_regs): Removed.
3805 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3806 (df_scan_free_internal): Added df->entry_block_defs.
3807 (df_scan_alloc): Ditto.
3808 (df_scan_dump): Ditto.
3809 (df_uses_record): Plumbed flag field properly thru calls.
3810 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3811 This part fixes PR24762.
3812 (df_bb_refs_record): Added code to make the frame and arg
3813 pointers live in EH blocks.
3814 (df_refs_record): Added call to df_record_entry_block_defs.
3815 (df_record_entry_block_defs): New function.
3816 * df-core.c: Added comments to describe new artifical defs.
3817 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3818 (entry_block_defs): New field in struct df.
3819 (df_all_hard_regs): Deleted.
3820 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3821 * df-problems.c (df_ru_bb_local_compute_process_def):
3822 Added code to handle artifical defs in the entry to a function.
3823 (df_ru_bb_local_compute): Ditto.
3824 (df_rd_bb_local_compute_process_def): Ditto.
3825 (df_rd_bb_local_compute): Ditto.
3826 (df_lr_bb_local_compute): Ditto.
3827 (df_ur_bb_local_compute): Ditto.
3828 (df_urec_bb_local_compute): Ditto.
3829 (df_chain_create_bb): Ditto.
3830 (df_ur_local_finalize): Removed entry.
3831 (df_urec_init): Ditto.
3832 (df_urec_local_finalize): Ditto.
3833 (df_ri_bb_compute): Added detection of last use of pseudos.
3834 * Makefile.in (df-scan.o): Updated dependencies.
3835 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3836 * config/mips/mips.c (mips_set_live_on_entry): Added.
3837 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3839 * dce.c (marked_insn_p): Added code to handle artifical defs.
3841 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3843 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3845 (_mm_cvtsi128_si64): Likewise.
3846 (_mm_cvtsd_si64): Likewise.
3847 (_mm_cvttsd_si64): Likewise.
3848 (_mm_cvtsi64_sd): Likewise.
3849 (_mm_cvtsi64_si128): Likewise.
3850 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3851 (_mm_cvtsi64_m64): Likewise.
3852 (_m_to_int64): Likewise.
3853 (_mm_cvtm64_si64): Likewise.
3854 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3855 (_mm_cvttss_si64): Likewise.
3856 (_mm_cvtsi64_ss): Likewise.
3857 (_mm_cvtss_f32): Likewise.
3859 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3861 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3862 for pragma redefine_extname.
3864 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3867 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3868 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3869 -mno-minimal-toc to previous content.
3870 (bispecs): Remove goal.
3871 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3872 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3873 compatibility aliases on powerpc-*-*gnu*.
3874 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3875 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3876 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3877 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3878 (ldblspecs): New goal.
3879 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3880 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3882 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3883 L_sf_to_tf or L_df_to_tf is defined.
3885 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3886 Alan Modra <amodra@bigpond.net.au>
3889 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3890 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3891 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3892 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3893 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3894 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3895 (rs6000_override_options): Initialize rs6000_ieeequad.
3896 Initialize TFmode format to ibm_extended_format if not
3898 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3900 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3901 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3902 (function_arg_advance): IBM long double passed in two FPRs, not
3904 (function_arg): IBM long double passed in FPRs.
3905 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3906 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3907 Only multireg GPR aligned.
3908 (rs6000_init_libfuncs): Enable IBM long double functions if not
3910 (rs6000_generate_compare): Use IBM long double compare if not
3912 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3913 (TARGET_IEEEQUAD): Define.
3914 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3915 not TARGET_IEEEQUAD.
3916 * config/rs6000/rs6000.md: Enable TFmode patterns if
3918 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3919 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3920 and -mlong-double-128 are incompatible.
3921 * doc/invoke.texi (-mabi): Collect options together. Add
3922 ibmlongdouble and ieeelongdouble.
3924 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3926 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3928 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3929 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3930 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3931 * rtl.h (rtunion_def): Remove rt_ptr.
3933 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3934 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3935 * config/i386/winnt.c (i386_pe_mark_dllexport)
3936 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3938 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3940 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3942 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3946 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3947 pthread_key_delete. From John David Anglin. gthrw-ify
3948 pthread_getunique_np only if it it's not a macro. Delete
3950 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3951 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3952 __gthread_objc_condition_signal, __gthread_key_delete): Add
3953 "__attribute__ ((__unused__))" to unused arguments.
3954 (__gthread_recursive_mutex_init_function): Add missing return.
3955 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3956 gthr-posix95.h: Use macro-based approach for name redirection
3957 on targets missing weakref.
3959 2006-01-26 Zack Weinberg <zackw@panix.com>
3961 * genconditions.c (write_header): In generated code, #ifdef out
3962 all includes and fake declarations, except includes of bconfig.h
3963 and system.h, unless GCC_VERSION >= 3001. Do not include
3964 gensupport.h in any case.
3965 (write_conditions): Generate a definition of struct c_test. Add
3966 a comment to the generated #endif.
3967 (write_one_condition): Escape backslashes in string too.
3968 (write_writer): Generated code must escape backslashes and quote
3969 marks (but not newlines) in the strings it writes.
3970 * Makefile.in (build/gencondmd.o): Update dependencies.
3972 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3975 * Makefile.in (insn-automata.o): Add header file dependencies.
3976 * genautomata.c: Add includes.
3978 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3981 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3983 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3985 * configure.ac: Expect target tools paths to be passed from the toplevel
3986 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3988 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3990 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3993 * c.opt (Wpointer-sign): Init to -1.
3994 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3995 OPT_pedantic, to 0 otherwise.
3996 * doc/invoke.texi: Update.
3998 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4000 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
4001 constants provided by 80387 instructions in the destination mode.
4003 2006-01-26 Richard Guenther <rguenther@suse.de>
4004 Andrew Pinski <pinskia@physics.uc.edu>
4007 partial PR tree-opt/17064
4008 * tree-ssa-structalias.c (intra_create_variable_infos):
4009 Create heap variables for incoming parameters if
4010 flag_argument_noalias > 1.
4011 (find_what_p_points_to): Look through default defs of
4014 2006-01-26 Jeff Law <law@redhat.com>
4017 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
4018 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
4019 within the VR_RANGE, use the VR_RANGE as the result, not the
4021 (adjust_range_with_scev): Reject ranges from SCEV which are out of
4022 bounds for the type.
4024 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
4026 * tree-ssa-alias.c (maybe_create_global_var): Change
4027 subvar walking to an assertion that we don't have subvar'd variables.
4029 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
4032 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
4033 Use a new variable, inner. PARM_DECLs are always non-weak.
4035 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
4037 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
4040 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
4042 * config/mips/mips.md (*clear_upper32): New combiner pattern.
4044 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
4046 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
4047 (smax_insn, smin_insn, smax_0, smin_0): New.
4049 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
4052 * config/cris/cris.c (cris_order_for_addsi3): New function.
4053 * config/cris/cris-protos.h: Prototype it.
4054 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
4055 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
4056 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
4057 (split for "op.S1 [rx=rx+i],ry (swapped)")
4058 (split for "op(s|u).S1 [rx=rx+i],ry")
4059 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
4060 Apply cris_order_for_addsi3 when generating addsi3 insns.
4062 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4064 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
4065 (TREE_BLOCK): Add call to EXPR_CHECK.
4067 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4070 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
4071 * tree-pretty-print.c (dump_omp_clause): Extract from ...
4072 (dump_omp_clauses): ... here.
4073 (dump_generic_node): Handle OMP_CLAUSE.
4074 * tree.c (omp_clause_num_ops): New.
4075 (omp_clause_code_name): New.
4076 (tree_code_size): Handle OMP_CLAUSE.
4077 (tree_size): Likewise.
4078 (make_node): Document handling of OMP_CLAUSE.
4079 (tree_node_structure): Handle OMP_CLAUSE.
4080 (omp_clause_check_failed): New.
4081 (omp_clause_range_check_failed): New.
4082 (omp_clause_operand_check_failed): New.
4083 (build_omp_clause): New.
4084 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
4085 * tree.h (enum omp_clause_code): Declare.
4086 (OMP_CLAUSE_SUBCODE_CHECK): Define.
4087 (OMP_CLAUSE_RANGE_CHECK): Define.
4088 (OMP_CLAUSE_ELT_CHECK): Define.
4089 (omp_clause_check_failed): Declare.
4090 (omp_clause_operand_check_failed): Declare.
4091 (omp_clause_range_check_failed): Declare.
4092 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
4093 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
4094 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
4095 (OMP_CLAUSE_LASTPRIVATE): Likewise.
4096 (OMP_CLAUSE_IF_EXPR): Likewise.
4097 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
4098 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
4099 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
4100 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
4101 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
4102 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
4103 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
4104 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
4105 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
4106 (OMP_CLAUSE_CODE): Define.
4107 (OMP_CLAUSE_SET_CODE): Define.
4108 (OMP_CLAUSE_CODE): Define.
4109 (OMP_CLAUSE_OPERAND): Define.
4110 (struct tree_omp_clause): Declare.
4111 (union tree_node): Add field 'omp_clause'.
4112 * treestruct.def (TS_OMP_CLAUSE): Define.
4113 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
4114 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
4115 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
4116 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
4117 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
4118 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
4119 (OMP_CLAUSE): Define.
4120 * print-tree.c (print_node): Handle OMP_CLAUSE.
4121 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
4122 * c-typeck.c: Likewise.
4123 * gimplify.c: Likewise.
4124 * c-omp.c: Likewise.
4125 * tree-nested.c: Likewise.
4126 * tree-inline.c: Likewise.
4127 * c-parser.c: Likewise.
4128 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4131 2006-01-25 Roger Sayle <roger@eyesopen.com>
4133 PR rtl-optimization/25703
4134 * combine.c (try_combine): Handle zero_extract and strict_low_part
4135 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4137 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4139 * global.c: Fix comment typos.
4141 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4144 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4145 Use output_addr_const instead of assemble_name.
4147 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4149 * Makefile.in (sched-vis.o): Update dependencies.
4150 * haifa-sched.c (sched_finish): Clear current_sched_info.
4151 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4152 (dump_flow_info): Call it.
4153 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4155 * basic-block.h (dump_bb_info): Declare.
4156 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4157 option, and apply options only for dump files whose TDF_RTL,
4158 TDF_TREE, or TDF_IPA bits match.
4159 * rtl.h: Declare new functions exported from sched-vis.c.
4160 * sched-vis.c: Enable also if scheduling is not used.
4161 (print_value): Print the mode of registers if not inside scheduling.
4162 (print_insn): Make it work outside the scheduler. Beautify the output
4164 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4166 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4168 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4169 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4170 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4171 depending on the value of CONSTANT_POOL_ADDRESS_P.
4172 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4174 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4175 rather than SYMBOL_REF_DECL.
4176 (rtx_constant_pool): Remove const_rtx_sym_htab.
4177 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4178 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4179 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4180 Remove handling of const_rtx_sym_htab.
4181 (find_pool_constant): Delete.
4182 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4183 rather than find_pool_constant.
4184 (get_pool_constant_for_function): Delete.
4185 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4187 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4188 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4189 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4190 (SYMBOL_REF_CONSTANT): New macro.
4191 (get_pool_constant_for_function): Delete.
4192 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4193 rather than SYMBOL_REF_DECL.
4194 (i386_pe_mark_dllimport): Likewise.
4195 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4196 rather than SYMBOL_REF_DECL.
4197 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4198 (machopic_indirect_call_target): Likewise.
4200 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4202 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4204 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4206 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4208 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4210 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4212 2006-01-24 David Daney <ddaney@avtrex.com>
4215 * configure.ac (enable_tls): New enable option.
4216 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4217 * configure: Regenerate.
4218 * doc/install.texi (--enable-tls): Document new option.
4219 (--disable-tls): Ditto.
4221 2006-01-24 Richard Henderson <rth@redehat.com>
4223 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4224 * alias.c (true_dependence): Respect it.
4225 (canon_true_dependence, write_dependence_p): Likewise.
4226 * builtins.c (get_builtin_sync_mem): Set it.
4228 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4230 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4233 2006-01-24 DJ Delorie <dj@redhat.com>
4235 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4236 for storing constants in single-bit bitfields.
4238 2006-01-25 Ben Elliston <bje@au.ibm.com>
4240 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4242 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4245 * tree-ssa-pre.c (phi_translate): Return NULL
4246 for AGGREGATE_TYPE's.
4248 2006-01-24 Zack Weinberg <zackw@panix.com>
4250 * genautomata.c (process_state_for_insn_equiv_partition):
4251 Use xcalloc for insn_arcs_array.
4252 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4253 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4255 2006-01-24 Richard Henderson <rth@redhat.com>
4257 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4260 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4262 PR rtl-optimization/25890
4263 PR rtl-optimization/25905
4264 * combine.c (expand_compound_operation, expand_field_assignment):
4265 Fail if the bitfield's final position is out of bounds.
4267 2006-01-24 Ian Lance Taylor <ian@airs.com>
4270 * cgraphunit.c (cgraph_output_in_order): Don't clear
4271 cgraph_asm_nodes until after asm strings have been output.
4273 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4275 * fix-header.c (read_scan_file): Add new parameter imultilib when
4276 calling register_include_chains.
4278 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4280 * omp-low.c: Update documentation.
4282 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4283 Daniel Berlin <dberlin@dberlin.org>
4287 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4288 return from the function.
4290 2006-01-22 Zack Weinberg <zackw@panix.com>
4292 * rtl.def (match_code): Add second argument.
4293 * genpreds.c (write_extract_subexp): New function.
4294 (write_match_code): Add path argument. Use write_extract_subexp.
4295 (write_predicate_expr): Pass path to write_match_code.
4296 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4297 not perform a mode test.
4298 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4299 a subexpression does not constrain the top-level code set.
4300 * read-rtl.c (read_rtx_variadic): New function.
4301 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4302 * doc/md.texi: Document new notation.
4303 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4304 (cmpsi_operand): ... here, using new notation.
4306 2006-01-22 Zack Weinberg <zackw@panix.com>
4308 * varray.c: Remove GENERATOR_FILE #ifdefs.
4310 2006-01-22 Zack Weinberg <zackw@panix.com>
4312 * genautomata.c (output_reserved_units_table): Emit nothing if
4313 description->query_units_num is zero. Remove extra blank line.
4314 (output_cpu_unit_reservation_p): Short circuit
4315 if description->query_units_num is zero.
4317 2006-01-22 Zack Weinberg <zackw@panix.com>
4319 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4320 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4321 nor any of the random handful of variables that used to be necessary
4322 when this program was linked with rtlanal.o. Prune set of forward
4323 function declarations.
4324 (struct attr_desc): Remove static_p field.
4325 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4326 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4327 (attr_string): Do not read the character one past the length of
4329 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4330 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4331 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4332 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4333 (make_automaton_attrs): New.
4334 (main): Do not call into genautomata. Call local gen_bypass
4335 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4336 Remove special case for insn_alts.
4337 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4338 varray.h (leftover from previous change). Prune set of forward
4339 function declarations. Remove state_alts fields from all
4340 structures. Remove state_alts_table from struct automaton.
4341 Make everything except main static. Do not maintain num_dfa_decls.
4342 Do not maintain state_alts fields of various structures.
4343 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4344 (add_arc): Remove state_alts argument. All callers updated.
4345 (output_reserved_units_table): Emit #ifdef here...
4346 (output_tables): ...not here. Don't generate state_alts tables.
4347 (expand_automata): Don't generate attributes.
4348 (write_automata): Don't generate state_alts functions.
4349 (main): New function.
4350 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4351 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4352 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4353 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4354 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4355 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4356 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4357 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4359 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4360 * genattrtab.h: Delete file.
4361 * Makefile.in (OBJS-common): Add insn-automata.o.
4362 (insn-automata.o): New rule.
4363 (simple_generated_c): Add insn-automata.c.
4364 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4365 (genprogmd): Add automata.
4366 (build/genattrtab): Needs no extra objects nor libraries.
4367 (build/genautomata): Needs build/vec.o and -lm.
4369 2006-01-22 Zack Weinberg <zackw@panix.com>
4371 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4372 (output_dfa_max_issue_rate, locked_states_num): Delete.
4373 (struct automaton): Add locked_states field.
4374 (output_dead_lock_vect): Save number of locked states in
4375 automaton->locked_states. If it is zero, don't print anything.
4376 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4377 (output_internal_dead_lock_func): Only test the dead_lock_vect
4378 for automata that have locked states.
4379 (output_statistics): Always print the number of locked states for
4380 each automaton. Calculate total number of locked states here.
4381 (write_automata): Don't call output_dfa_max_issue_rate.
4382 * genattrtab.c: Define length_unit_log as a const variable.
4383 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4384 max_insn_queue_index const.
4385 * final.c (length_unit_log): Declare const.
4386 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4388 2006-01-22 Zack Weinberg <zackw@panix.com>
4390 * genautomata.c: Include vec.h, not varray.h.
4391 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4392 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4393 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4394 VEC_* macros operating on appropriately typed vectors, or to
4395 malloced arrays when the size is known in advance. Const-ify
4396 many char* variables and function arguments. No functional changes.
4397 * Makefile.in (build/varray.o): Delete rule.
4398 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4399 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4401 2006-01-22 Zack Weinberg <zackw@panix.com>
4403 * gensupport.c: Define get_insn_name and record_insn_name here.
4404 (read_md_rtx): Call record_insn_name as appropriate.
4405 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4406 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4407 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4409 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4410 (BUILD_VARRAY): Delete.
4411 (genprognormal): Rename genprogmd. Fold in all programs from
4412 genprognoprint; also attrtab.
4413 (build/genattrtab): Just mention genautomata.o and varray.o.
4414 Reorganize a bit, add comments to make the categories clearer.
4416 2006-01-22 Zack Weinberg <zackw@panix.com>
4418 * genconditions.c (condition_table, add_condition): Delete.
4419 (write_conditions): Don't emit n_insn_conditions nor
4420 insn_elision_unavailable. Issue the gcc version #ifdef here,
4421 inside the table, with no #else clause ...
4422 (write_header): ...not here.
4423 (write_writer): New function.
4424 (main): Don't initialize condition_table. Use add_c_test.
4426 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4427 files on the command line.
4428 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4429 Return -1 if there is no entry in the table, don't abort.
4430 (add_c_test, traverse_c_tests): New functions.
4431 * gensupport.h (insn_elision_unavailable, insn_conditions)
4432 (n_insn_conditions): Delete declarations.
4433 (add_c_test, traverse_c_tests): Declare.
4434 * read-rtl.c: Include gensupport.h.
4435 (read_conditions): New function.
4436 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4437 (read_rtx_1): If we get EOF when we were looking for an initial
4438 open paren, return 0. Call read_conditions when appropriate.
4439 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4440 dummy-conditions.o. Eliminate references to insn-conditions.o,
4441 or change them to build/gencondmd.o, as appropriate. Remove
4442 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4443 from $(simple_generated_c). For all files remaining in those
4444 two lists, add insn-conditions.md to the generator command line.
4445 Give insn-constants.h/s-constants their own rules. Add rules
4446 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4447 (build/read-rtl.o): Depend on gensupport.h.
4448 (genprognormal): Include preds.
4449 (genprogearly): Rename genprognoprint; only difference is now that
4450 they don't link with $(BUILD_PRINT).
4451 * dummy-conditions.c: Delete.
4453 2006-01-22 Zack Weinberg <zackw@panix.com>
4455 * genextract.c: Don't include insn-config.h. Do include vec.h.
4456 Declare vectors of int, char, and locstr.
4457 (locstr): New typedef.
4458 (struct extraction): Make all array fields into bare pointers.
4459 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4460 (insn_code_number): Delete.
4461 (accum_extract): New struct.
4462 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4463 (gen_insn): Take insn_code_number as an argument. Use an
4464 accum_extract structure instead of loading data directly into
4465 a struct extraction, and having to know how big it might get.
4466 (walk_rtx): Operate entirely on an accum_extract structure.
4467 (print_path): Avoid unnecessary use of printf.
4468 (print_header): New function, split out of main. Distinguish
4469 more carefully between an unrecognizable insn and an insn that
4470 has the code number of a define_expand.
4471 (main): Pass insn_code_number to gen_insn. Call print_header
4472 only after parsing. Avoid unnecessary use of printf.
4473 * Makefile.in (build/vec.o): New rule.
4474 (build/genextract): Depend on build/vec.o.
4475 (build/genextract.o): Don't depend on insn-config.h.
4477 2006-01-22 Zack Weinberg <zackw@panix.com>
4479 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4480 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4481 practical. Eliminate per-generator-program link rules.
4483 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4486 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4487 with a call expr to ...
4488 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4490 2006-01-23 Richard Guenther <rguenther@suse.de>
4492 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4493 before make_edge with conditional EDGE_TRUE_VALUE.
4495 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4496 Jan Hubicka <jh@suse.cz>
4497 Richard Guenther <rguenther@suse.de>
4499 PR rtl-optimization/25654
4500 * cfgexpand.c (aggregate_contains_union_type): New function.
4501 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4502 for structure variables that contain a union type.
4504 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4506 * gengtype.c (new_structure): Return the structure.
4507 (create_option): Add an extra "next" argument.
4508 (create_field): New function.
4509 (adjust_field_rtx_def): Use create_option and create_field.
4510 Remove a now-unnecessary call to find_structure.
4511 (adjust_field_tree_def): Likewise.
4512 (note_yacc_type): Remove an unnecessary call to find_structure.
4513 * gengtype.h (new_structure): Return the structure.
4514 (create_option): Add an extra argument.
4515 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4516 (option): Adjust calls to create_option.
4518 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4520 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4522 2006-01-22 Paul Brook <paul@codesourcery.com>
4523 Peter Barada <peter@the-baradas.com>
4525 * config/m68k/m68k.md: Add Coldfire FPU support.
4526 Define FP mode macro and associated attributes.
4527 Use it for float mode patterns.
4528 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4529 (LIBCALL_VALUE): Use m68k_libcall_value.
4530 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4531 (m68k_function_value): Ditto.
4532 (emit_move_sequence): Ditto.
4533 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4534 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4535 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4536 (MULTILIB_EXCEPTIONS): Ditto.
4537 * config/m68k/m68k.opt: Add mcfv4e.
4538 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4539 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4540 (m68k_output_function_prologue): Save ColdFire FPU registers.
4541 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4542 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4543 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4544 ColdFire FPU registers.
4545 (m68k_libcall_value, m68k_function_value): New functions.
4546 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4547 (LIBCALL_VALUE): Use m68k_libcall_value.
4548 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4549 (MASK_COLDFIRE): Add MASK_CFV4E.
4550 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4551 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4552 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4553 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4554 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4555 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4556 * doc/invoke.tex: Document -mcfv4e on m68k.
4558 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4560 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4563 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4566 * c-opts.c (c_common_handle_option): Don't include
4567 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4568 * doc/invoke.texi (C++ Dialect Options): Document that
4569 -Wnon-virtual-dtor is no longer included in -Wall.
4571 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4573 * gcov.c (print_version), gcov-dump.c (print_version),
4574 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4577 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4579 * df-scan.c (problem_SCAN): Added NULL reset function.
4580 (df_scan_reset_blocks): Added code to call reset block function
4581 (df_bb_refs_delete) Fixed comment.
4582 (df_insn_refs_delete): Made tolerant of deleting non existent info
4583 for dataflow problems that need to be reset.
4584 * df-core.c (df_set_blocks): Ditto.
4585 * df.h (struct df_problem): Added reset_fun.
4586 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4587 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4588 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4589 functions to clear out all references to def-use or use-def chains.
4591 2006-01-21 Ben Elliston <bje@au.ibm.com>
4593 * varasm.c (assemble_real): Initialise data array.
4595 2006-01-20 Paul Brook <paul@codesourcery.com>
4597 Merge from csl-arm-branch.
4598 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4599 * config/arm/arm.md (movdi): Force operands[1] to a register
4600 if we have a non-register source.
4601 (*arm_movdi, *movdf_soft_insn): Require that one of the
4602 operands be a register.
4603 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4604 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4606 2006-01-20 DJ Delorie <dj@redhat.com>
4608 * varasm.c (initialize_constant_valid_p): Allow pointers
4609 initialized from integer constants of lesser precision.
4610 (output_constant): Allow non-int-sized pointer modes to be
4611 initialized from integer constants.
4613 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4616 * cppdefault.h (struct default_include): Add multilib flag.
4617 * cppdefault.c (cpp_include_defaults): Set it.
4618 * c.opt (-imultilib): New option.
4619 * c-opts.c (imultilib): New.
4620 (c_common_handle_option): Handle -imultilib.
4621 (c_common_post_options): Likewise.
4622 * c-incpath.c (add_standard_paths, register_include_chains):
4624 * c-incpath.h (register_include_chains): Add extra parameter.
4625 * gcc.c (do_spec_1): Generate -imultilib option.
4626 (The Specs Language): Update %I description.
4627 (process_command): Update copyright notice.
4628 * doc/cppopts.texi (-imultilib): Document.
4629 * doc/invoke.texi (-imultilib): Include in option summary.
4630 (%I): Update specs documentation.
4632 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4634 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4636 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4638 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4641 2006-01-20 Richard Guenther <rguenther@suse.de>
4642 Steven Bosscher <stevenb.gcc@gmail.com>
4644 PR rtl-optimization/24626
4645 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4646 EDGE_TRUE_VALUE if in RTL mode.
4649 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4650 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4652 2006-01-20 Dirk Mueller <dmueller@suse.com>
4655 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4656 instead of a special NOP marker.
4657 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4658 NOP marker handling.
4659 * c-common.h (empty_body_warning): Add forward declaration.
4660 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4661 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4663 2006-01-20 Paul Brook <paul@codesourcery.com>
4665 * Makefile.in (lang_checks): Keep going if mkdir fails.
4667 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4669 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4670 be able to clean out basic block when not necessary.
4671 (df_scan_free): Fixed to properly delete information if df is
4672 unused before calling df_finish.
4673 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4674 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4676 (df_bb_refs_delete): New function.
4677 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4678 * df-core.c (df_set_blocks): Added code to properly clean out
4679 unused blocks if they are not part of the blocks to consider.
4680 Added additional null check.
4681 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4682 be able to clean out basic block when not necessary
4683 * df.h (df_free_bb_function): Ditto.
4684 (df_bb_refs_delete): New function.
4685 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4686 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4687 basic block parameter to be able to clean out basic block when not
4689 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4690 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4691 Fixed to properly delete information if df is unused before
4694 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4696 PR rtl-optimization/25799
4697 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4698 Corrected confluence operator to remove bits from op2 before oring
4699 with op1 rather than removing bits from op1.
4700 (df_ru_transfer_function): Corrected test on wrong bitmap which
4701 caused infinite loop. Both of these problems were introduced in
4702 the dataflow rewrite.
4704 2006-01-19 DJ Delorie <dj@redhat.com>
4706 * reload1.c (find_reload_regs): Note the details of reload
4707 failures in the dump file.
4708 (spill_failure): Likewise.
4710 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4712 * loop-iv.c: Include df.h and hashtab.h.
4713 (enum iv_grd_result): New enum.
4714 (DF_REF_IV, DF_REF_IV_SET): New macros.
4715 (struct biv_entry): New.
4716 (df, bivs): New global variables.
4717 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4718 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4720 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4721 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4722 analyzed_for_bivness_p, record_biv): New functions.
4723 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4724 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4725 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4727 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4729 (iv_number_of_iterations): Use new interface to iv analysis.
4730 * loop-unroll.c: Do not include varray.h.
4731 (analyze_iv_to_split_insn): Use new interface to iv
4733 * loop-unswitch.c (may_unswitch_on): Ditto.
4734 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4736 (df_bb_modify): Realloc tables to the new index.
4737 (df_find_use): New function.
4738 * df.h (df_find_use): Declare.
4739 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4741 * cfgloop.h (struct rtx_iv): Remove analysed field.
4742 (iv_get_reaching_def): Removed.
4743 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4744 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4745 (loop-iv.o): Add df.h and hashtab.h dependency.
4746 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4748 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4751 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4753 (__floatundisf, __floatundidf): Likewise.
4754 * libgcc2.h (IS_IBM_EXTENDED): Define.
4756 2006-01-19 DJ Delorie <dj@redhat.com>
4758 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4760 2006-01-19 Paul Brook <paul@codesourcery.com>
4762 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4763 as nothrow when unwinding tables are disabled.
4765 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4768 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4769 of bit-field" when in system header.
4771 2006-01-19 DJ Delorie <dj@redhat.com>
4773 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4774 the 16 bit shift limit of the m16c.
4776 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4779 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4780 * config/i386/i386.c (output_set_got): Output the label if we have one
4781 for the TARGET_DEEP_BRANCH_PREDICTION case.
4783 2006-01-19 Jan Hubicka <jh@suse.cz>
4784 H.J. Lu <hongjiu.lu@intel.com>
4785 Evandro Menezes <evandro.menezes@amd.com>
4787 * invoke.texi (generic): Document
4789 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4790 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4791 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4792 (x86_use_incdec, x86_pad_returns): New variables
4793 (TARGET_CPU_DEFAULT_generic): New constant
4794 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4795 (enum processor_type): Add generic32 and generic64.
4796 * i386.md (cpu attribute): Add generic32/generic64
4797 (movhi splitter): Behave sanely when both partial_reg_dependency and
4798 partial_reg_stall are set.
4799 (K8 splitters): Enable for generic as well.
4800 * predicates.md (incdec_operand): Use TARGET_INCDEC
4801 (aligned_operand): Avoid memory mismatch stalls.
4802 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4803 * ppro.md: Enable for generic32
4804 * i386.c (generic64_cost, generic32_cost): New.
4805 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4806 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4807 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4808 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4809 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4810 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4811 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4812 x86_accumulate_outgoing_args, x86_prologue_using_move,
4813 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4814 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4816 (x86_use_incdec, x86_pad_returns): New.
4817 (override_options): Add generic32 and generic64, translate "generic"
4818 to generic32/generic64 and "i686" to "generic32", refuse
4819 "generic32"/"generic64" as arch target.
4820 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4821 (ix86_reorg): Honor PAD_RETURNS.
4823 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4825 * tree-pretty-print.c (dump_generic_node): Handle
4826 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4827 * cgraph.c (cgraph_expand_queue): Rename from
4828 cgraph_analyze_queue. Update all users.
4829 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4830 cgraph_expand_queue.
4831 (cgraph_expand_all_functions): Likewise.
4832 (cgraph_finalize_pending_functions): Remove. Update callers.
4834 * tree.h (OMP_DIRECTIVE_P): Define.
4835 (OMP_PARALLEL_FN): Define.
4836 (OMP_PARALLEL_DATA_ARG): Define.
4837 (OMP_SECTIONS_SECTIONS): Define.
4838 * tree-pass.h (pass_expand_omp): Declare.
4839 * omp-low.c (struct omp_region): Declare.
4840 (struct omp_context): Remove fields 'parallel_type',
4841 'parallel_start_ix' and 'parallel_start_additional_args'.
4843 (struct omp_for_data): Rename from struct expand_omp_for_data.
4844 (omp_regions): New static variable.
4845 (root_omp_region): New static variable.
4846 (find_omp_clause): Make static.
4847 (is_in_combined_parallel_ctx): Remove.
4848 (is_combined_parallel): New.
4849 (extract_omp_for_data): Move earlier in the file.
4850 (workshare_safe_to_combine_p): New.
4851 (get_ws_args_for): New.
4852 (determine_parallel_type): Move earlier in the file.
4853 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4855 (omp_copy_decl): Likewise.
4856 (create_omp_child_function): Likewise.
4857 (lookup_omp_region): New.
4858 (dump_omp_region): New.
4859 (debug_omp_region): New.
4860 (debug_all_omp_regions): New.
4861 (new_omp_region): New.
4862 (scan_omp_parallel): If parallel_nesting_level > 1, the
4863 directive is nested within another parallel directive.
4864 Set OMP_PARALLEL_FN.
4865 (scan_omp_for): Do not try to handle combined parallel+for
4867 Remove FIXME comment.
4868 (scan_omp_nested): Remove.
4869 (scan_omp_1): Do not call scan_omp_nested when
4870 parallel_nesting_level is > 1.
4871 Do not change the DECL_CONTEXT of local variables found.
4872 (lookup_decl_in_outer_ctx): New.
4873 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4874 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4875 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4876 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4877 If CTX is nested, lookup VAR in the outer context when
4878 building copy assignment.
4879 (lower_send_clauses): Rename from expand_send_clauses.
4880 If CTX is nested, lookup VAR in the outer context when
4881 building copy assignments.
4882 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4883 If CTX is nested, lookup VAR in the outer context when
4884 building copy assignments.
4885 (expand_parallel_call): Rename from build_parallel_call.
4886 Handle combined parallel+workshare cases.
4887 Re-implement to emit code into the CFG.
4889 (expand_omp_parallel): Re-implement to emit code into the CFG.
4890 Call move_sese_region_to_fn to outline the sub-graph
4891 containing the parallel region.
4892 (expand_omp_for_1): Remove.
4893 (expand_omp_for_generic): Re-implement to emit code into the
4895 (expand_omp_for_static_nochunk): Likewise.
4896 (expand_omp_for_static_chunk): Likewise.
4897 (expand_omp_for): Likewise.
4898 (expand_omp_sections): Likewise.
4899 (remove_exit_barriers): New.
4900 (expand_omp_synch): New.
4902 (build_omp_regions_1): New.
4903 (build_omp_regions): New.
4904 (execute_expand_omp): New.
4905 (gate_expand_omp): New.
4906 (pass_expand_omp): Define.
4907 (lower_omp_sections): Rename from expand_omp_sections.
4908 Set OMP_SECTIONS_SECTIONS.
4909 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4910 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4911 (lower_omp_single): Rename from expand_omp_simple.
4912 (lower_omp_master): Rename from expand_omp_master.
4913 (lower_omp_ordered): Rename from expand_omp_ordered.
4914 (lower_omp_critical): Rename from expand_omp_critical.
4915 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4916 (lower_omp_for): Re-implement.
4917 (lower_omp_parallel): Re-implement.
4918 (lower_regimplify): Rename from expand_regimplify.
4919 (lower_omp_1): Rename from expand_omp_1.
4920 If there are syntax errors in the program, replace every
4921 OpenMP directive with NOP.
4922 Call lower_omp_* instead of expand_omp_*.
4923 (lower_omp): Rename from expand_omp.
4925 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4926 * tree-gimple.h (enum omp_parallel_type): Remove.
4927 (gimple_boolify): Declare extern.
4928 (find_omp_clause, determine_parallel_type): Remove.
4930 * gimple-low.c (lower_omp_directive): New.
4931 (lower_stmt): Call it.
4932 (record_vars_into): Move from ...
4933 (record_vars): ... here.
4934 Call record_vars_into with current_function_decl.
4936 * gimplify.c (struct gimplify_ctx): Remove fields
4937 combined_pre_p and combined_ctxp. Update users.
4938 (get_formal_tmp_var): Add documentation.
4939 (gimple_boolify): Make extern.
4940 (gimplify_expr_in_ctx): Remove. Update callers.
4941 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4942 will always be a BIND_EXPR.
4943 (gimplify_expr): Handle OMP_RETURN_EXPR.
4944 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4945 (OMP_PARALLEL): Add 3 operands.
4946 (OMP_SECTIONS): Add 1 operand.
4947 (OMP_RETURN_EXPR): Define.
4949 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4950 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4951 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4952 creating a circular free list.
4953 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4955 * tree-flow.h (move_sese_region_to_fn): Declare.
4956 (record_vars_into): Declare.
4957 * tree-cfg.c (make_omp_sections_edges): New.
4958 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4959 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4960 OMP_SECTIONS and OMP_SECTION.
4961 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4962 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4963 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4964 (gather_blocks_in_sese_region): New.
4965 (struct move_stmt_d): Declare.
4967 (move_block_to_fn): New.
4968 (move_sese_region_to_fn): New.
4970 * passes.c (init_optimization_passes): Schedule
4971 pass_expand_omp after pass_init_datastructures.
4973 * tree-ssa-operands.c (get_expr_operands): Handle
4974 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4975 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4977 2006-01-19 Jeff Law <law@redhat.com>
4979 * tree-vrp.c (extract_range_from_assert): Refine the result range
4980 if the variable referenced by the ASSERT_EXPR has a range and
4981 either the tentative result range or the previous range is a
4984 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4986 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4988 2006-01-19 Jan Hubicka <jh@suse.cz>
4990 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4992 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4994 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4995 (expand_compound_operation, expand_field_assignment): Fail if the
4996 bit lengths of an extract operation are out of range.
4997 (make_extraction): Compute wanted_inner_mode based on the position
4998 and length of the extraction. Make it extraction_mode for non-constant
4999 positions, and do not modify offset in that case. When generating a
5000 new MEM, use a mode that can hold the extraction while keeping correct
5001 alignment. Remove code that supported MEMs wrapped by USEs.
5002 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
5004 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
5006 * config/s390/s390.md ("Y", "y"): New mode attribute.
5007 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5008 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
5009 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
5010 "*addsi3_imm_cc", "*addsi3_carry1_cc",
5011 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
5012 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
5013 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
5014 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
5015 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
5016 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
5017 "addsi3", "subsi3"): Insn patterns removed.
5018 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
5019 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
5020 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
5021 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
5022 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
5023 "*sub<mode>3_cconly2"): New insn patterns.
5024 ("addsi3", "subsi3"): New expanders.
5026 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
5028 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
5029 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
5030 existing STMT_VINFO_VECTYPE if available.
5031 (vect_mark_relevant): Add special handling for stmts that are
5032 marked as STMT_VINFO_IN_PATTERN_P.
5033 (vect_analyze_loop): Call vect_pattern_recog.
5034 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
5035 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
5037 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
5038 (vect_recog_func_ptr): New function-pointer type.
5039 * tree-vect-patterns.c: New file.
5040 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
5041 (vect_recog_dot_prod_pattern, vect_pattern_recog):
5042 (vect_pattern_recog_1): New functions.
5043 (vect_pattern_recog_funcs): New array of function pointers.
5045 * tree-vectorizer.h (ternary_op): New enum value.
5046 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
5047 declaration. Revised documentation. Removed redundant dump prints.
5048 Removed redundant argument. Added support for reduction patterns.
5049 (vectorizable_reduction): Added support for reduction patterns.
5050 (vect_transform_stmt): Added support for patterns.
5052 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
5053 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
5054 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
5055 (expand_widen_pattern_expr): New function.
5056 (init_optabs): Initialize new optabs udot_prod_optab,
5058 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
5059 (sdot_prod_optab, udot_prod_optab): Define new optabs.
5060 (expand_widen_pattern_expr): New function declaration.
5061 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
5063 * tree-inline.c (estimate_num_insns_1): Added cases for new
5064 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5065 * tree-pretty-print.c (dump_generic_node): Likewise.
5066 (op_prio): Likewise.
5067 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5068 * tree-ssa-operands.c (get_expr_operands): Added case for
5070 * tree-vect-patterns.c (widened_name_p): New function.
5071 (vect_recog_dot_prod_pattern): Added function implementation.
5072 * tree-vect-transform.c (get_initial_def_for_reduction): Added
5073 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
5074 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
5075 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
5077 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
5078 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
5079 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
5080 (init_optabs): Initialize new optabs widen_ssum_optab,
5082 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
5083 (widen_ssum_optab, widen_usum_optab): Define new optabs.
5084 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
5085 use instead of type of def.
5086 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
5087 function implementation.
5088 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
5089 widen_ssumv8hi): New.
5091 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
5094 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5097 * c-decl.c (add_flexible_array_elts_to_size): New function.
5098 (finish_decl): Use it.
5100 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5102 * diagnostic.h: Include options.h.
5103 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
5104 dependancies for diagnostic.h.
5105 * Makefile.in (DIAGNOSTIC_H): Add options.h.
5107 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
5109 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
5110 (ssa_ro_call_cache_valid): Ditto.
5111 * tree-ssa-alias.c (sort_tags_by_id): New function.
5112 (init_transitive_clobber_worklist): Ditto.
5113 (add_to_worklist): Ditto.
5114 (mark_aliases_call_clobbered): Ditto.
5115 (compute_tag_properties): Ditto.
5116 (set_initial_properties): Ditto.
5117 (compute_call_clobbered): Ditto.
5118 (compute_may_aliases): Call compute_call_clobbered and grouping.
5119 (compute_flow_sensitive_aliasing): Remove clobbering related code.
5120 (compute_flow_insensitive_aliasing): Grouping now happens in our
5122 (setup_pointers_and_addressables): Remove clobbering related code.
5123 (add_may_alias): Ditto.
5124 (replace_may_alias): Ditto.
5125 (get_nmt_for): Ditto.
5126 (create_global_var):
5127 (is_escape_site): Return an escape_type enumeration.
5128 * tree-flow-inline.h (is_call_clobbered): Global var does not
5129 imply call clobbered.
5130 (mark_call_clobbered): Take a reason for marking this. Remove
5131 marking of globalness, and cache invalidation.
5132 (clear_call_clobbered): Remove cache invalidation code.
5133 * tree-dfa.c (dump_variable): If details is on, dump the reason
5135 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5137 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5138 (struct var_ann_d): Ditto.
5139 (enum escape_type): New.
5140 (mark_call_clobbered): Adjust prototype.
5141 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5142 are never call clobbered.
5143 Record reasons for escaping.
5144 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5145 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5146 (ssa_ro_call_cache_valid): Ditto.
5147 (clobbered_v_may_defs): Ditto.
5148 (clobbered_vuses): Ditto.
5149 (ro_call_vuses): Ditto.
5150 (clobber_stats): New.
5151 (init_ssa_operands): Zero out clobber stats.
5152 (fini_ssa_operands): Print out clobber stats.
5153 (get_call_expr_operands): Pass callee fndecl to
5155 (add_call_clobber_ops): Remove use of cache.
5156 Add use of PURE_CONST information.
5157 (add_call_read_ops): Remove use of cache.
5158 Add use of static not_read information.
5160 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5162 Introduce TLS descriptors for i386 and x86_64.
5163 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5164 (TARGET_ANY_GNU_TLS): New macro.
5165 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5166 (struct machine_function): Add tls_descriptor_call_expanded_p.
5167 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5168 (ix86_current_function_calls_tls_descriptor): Likewise.
5169 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5170 (override_options): Introduce gnu2 tls dialect.
5171 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5173 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5175 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5176 (ix86_init_machine_status): Initialize new field.
5177 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5178 (ix86_tls_module_base): New.
5179 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5180 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5181 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5182 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5183 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5184 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5185 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5186 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5187 * config/i386/predicates.md (tls_modbase_operand): New.
5188 (tp_or_register_operand): New.
5190 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5192 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5193 (look_for_address_of): Ditto.
5194 (ipa_init): Walk the function decls.
5195 (static_execute): Don't set readonly on FUNCTION_DECL's.
5197 2006-01-18 Roger Sayle <roger@eyesopen.com>
5199 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5200 for shifts where the source and destination registers are different.
5202 2006-01-18 Paul Brook <paul@codesourcery.com>
5204 Merge from csl-arm-branch.
5205 2005-03-14 Julian Brown <julian@codesourcery.com>
5206 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5207 (aeabi_llsl): Likewise.
5208 (ashrdi3): Likewise.
5209 (aeabi_lasr): Likewise.
5210 (lshrdi3): Likewise.
5211 (aeabi_llsr): Likewise.
5212 2005-03-10 Julian Brown <julian@codesourcery.com>
5213 * config.gcc: Disable shared libgcc for SymbianOS.
5214 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5216 2006-01-18 DJ Delorie <dj@redhat.com>
5218 * c-pragma.c (handle_pragma_diagnostic): New.
5219 (init_pragma): Register it.
5220 * doc/extend.texi: Document it.
5222 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5223 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5224 (diagnostic_context): Add classify_diagnostic[].
5225 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5226 as errors if they're overridden to DK_WARNING.
5227 (diagnostic_initialize): Initialize classify_diagnostic[].
5228 (diagnostic_set_kind_override): New.
5229 (diagnostic_report_diagnostic): Check for kind changes.
5230 * opts.c (common_handle_option): Take lang_mask. Update callers.
5232 * common.opt (Werror=): New.
5233 * doc/invoke.texi: Document -Werror=*
5235 2006-01-18 Jeff Law <law@redhat.com>
5237 * tree-vrp.c (test_for_singularity): Correct test for new
5238 min limit. Use operand_equal_p rather than pointer equality
5239 for testing if new min/max values are equal.
5241 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5242 using range information until after propagation and folding.
5244 2006-01-18 Richard Henderson <rth@redhat.com>
5245 Aldy Hernandez <aldyh@redhat.com>
5246 Jakub Jelinek <jakub@redhat.com>
5247 Diego Novillo <dnovillo@redhat.com>
5249 * omp-low.c: New file.
5250 * c-omp.c: New file.
5252 2006-01-18 Richard Henderson <rth@redhat.com>
5253 Jakub Jelinek <jakub@redhat.com>
5254 Diego Novillo <dnovillo@redhat.com>
5256 * doc/invoke.texi: Document -fopenmp.
5257 * tree-dump.h (debug_function): Declare.
5258 * hooks.c (hook_bool_tree_bool_false): New function.
5259 (hook_tree_tree_null): Remove.
5260 (hook_tree_tree_tree_null): New.
5261 * hooks.h: Update to match.
5262 * tree-pretty-print.c (debug_tree_chain): New.
5263 (print_generic_expr): Handle TDF_CHAIN.
5264 (dump_generic_node): Handle BLOCK.
5265 Do not abort with incomplete SWITCH_EXPRs.
5266 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5267 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5268 print space after directive name.
5269 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5270 Handle OMP_MASTER and OMP_ORDERED.
5271 Handle printing of OMP_BODY just in one place, goto
5272 dump_omp_body in the rest of OMP_* nodes that have
5274 Don't handle clause nodes here. Update omp statements to
5275 use dump_omp_clauses.
5276 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5277 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5278 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5279 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5280 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5281 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5282 Adjust output for GOMP_PARALLEL.
5283 (dump_omp_clauses): New.
5284 (print_declaration): Dump DECL_VALUE_EXPR.
5285 (op_symbol_1): Split out of op_symbol.
5286 (dumping_stmts): Remove. Update all users.
5287 * cgraph.c (cgraph_analyze_queue): New.
5288 (cgraph_add_new_function): New.
5289 * cgraph.h (cgraph_analyze_queue): Declare.
5290 (cgraph_add_new_function): Declare.
5291 (cgraph_lower_function): Remove.
5292 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5293 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5294 and TYPE_P nodes in its default clause.
5295 (empty_body_p): New.
5296 (tree_range_check_failed): New.
5298 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5299 OMP_CLAUSE_REDUCTION_MERGE,
5300 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5301 OMP_CLAUSE_PRIVATE_DEBUG,
5302 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5303 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5304 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5305 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5306 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5307 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5308 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5309 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5310 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5311 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5312 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5313 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5314 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5315 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5316 (TREE_RANGE_CHECK): New.
5317 (empty_body_p): Declare.
5318 (enum omp_clause_default_kind): New.
5319 (build_string_literal): Declare.
5320 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5321 (build5_stat, build5): Declare.
5322 * tree-pass.h (TDF_CHAIN): Define.
5323 * tree-pass.h (PROP_gimple_lomp): Define.
5324 (pass_lower_omp): Declare.
5325 * diagnostic.h (debug_tree_chain): Declare.
5326 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5328 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5329 * builtins.c (build_string_literal): Make extern.
5330 * gcc.c (include_spec_function): New.
5331 (static_spec_functions): Add it.
5332 (main): Move load of libgomp.spec ...
5333 (LINK_COMMAND_SPEC): ... here.
5334 (link_gomp_spec): New.
5335 (static_specs): Include it.
5336 (LINK_COMMAND_SPEC): Add link_gomp.
5337 (GOMP_SELF_SPECS): New.
5338 (driver_self_specs): Include it.
5339 (switch_matches): Don't mark inline.
5340 (main): Load libgomp.spec.
5341 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5342 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5343 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5344 * tree-gimple.h (enum omp_parallel): Declare.
5345 (determine_parallel_type): Declare.
5346 (omp_firstprivatize_variable): Declare.
5347 (omp_reduction_init): Declare.
5348 (diagnose_omp_structured_block_errors): Declare.
5349 (struct walk_stmt_info): Add want_return_expr.
5350 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5351 (find_omp_clause): Declare.
5352 (insert_field_into_struct): Declare.
5353 (struct walk_stmt_info): Move from tree-nested.c
5354 (walk_stmts): Declare.
5355 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5357 * cgraphunit.c (cgraph_lower_function): Make static.
5358 (cgraph_finalize_pending_functions): New.
5359 (cgraph_finalize_function): Call it.
5360 (cgraph_finalize_compilation_unit): Likewise.
5361 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5362 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5363 (BT_FN_UINT_UINT): New.
5364 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5365 DEF_FUNCTION_TYPE_VAR_4): Document.
5366 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5367 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5368 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5369 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5370 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5371 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5372 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5373 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5374 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5375 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5376 into separate files.
5377 (DEF_GOMP_BUILTIN): New.
5378 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5379 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5380 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5381 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5382 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5383 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5384 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5385 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5386 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5387 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5388 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5389 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5390 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5391 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5392 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5393 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5394 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5395 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5396 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5397 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5398 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5399 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5400 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5401 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5402 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5403 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5404 * sync-builtins.def: New file, moved from builtins.def.
5405 * omp-builtins.def: New file, moved from builtins.def.
5406 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5407 * gimple-low.c (lower_function_body): Clear data.
5408 (lower_stmt): Do not handle COMPOUND_EXPR.
5409 Remove call to print_node_brief.
5410 * c-tree.h (c_finish_omp_clauses): New prototype.
5411 (C_DECL_THREADPRIVATE_P): Define.
5412 (lookup_name_no_remap, c_omp_remap_private): Remove
5413 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5414 (check_for_loop_decls): Update decl.
5415 (lookup_name_no_remap, c_omp_remap_private): Declare.
5416 (build_indirect_ref, build_modify_expr, pushdecl,
5417 pushdecl_top_level): Move to c-common.h.
5418 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5419 before the switch, but just in the 2 places that need it.
5420 * c-decl.c (diagnose_mismatched_decls): Do not check for
5421 mismatched thread-local attributes when OLDDECL is marked
5422 threadprivate and NEWDECL has no thread-local attributes.
5423 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5424 (c_gimple_diagnostics_recursively): Rename from
5425 c_warn_unused_result_recursively. Invoke
5426 diagnose_omp_structured_block_errors.
5427 (check_for_loop_decls): Return a singular decl found.
5428 * langhooks.c (lhd_omp_predetermined_sharing): Return
5429 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5430 (lhd_omp_firstprivatize_type_sizes): New.
5431 (lhd_omp_assignment): New.
5432 (lhd_omp_predetermined_sharing): New.
5433 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5434 (struct lang_hooks_for_types): Add
5435 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5436 omp_predetermined_sharing, omp_disregard_value_expr,
5437 omp_private_debug_clause, omp_clause_default_ctor,
5438 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5439 (c_finish_omp_clauses): New.
5440 (c_finish_bc_stmt): Diagnose break within omp for.
5441 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5442 (build_unary_op): Return error_mark after reporting
5444 (build_modify_expr): Likewise.
5445 * gimplify.c: Include optabs.h and pointer-set.h.
5446 (enum gimplify_omp_var_data): Declare.
5447 (struct gimplify_omp_ctx): Declare.
5448 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5450 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5451 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5452 (splay_tree_compare_decl_uid): New.
5453 (new_omp_context): New.
5454 (delete_omp_context): New.
5455 (gimple_add_tmp_var): Call omp_add_variable.
5456 (gimplify_bind_expr): Likewise.
5457 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5458 true, disregard DECL_VALUE_EXPR on the decl if any.
5459 (gimplify_expr_in_ctx): New.
5460 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5461 omp_add_variable, omp_notice_variable, omp_is_private
5462 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5463 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5464 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5465 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5466 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5467 gimplify_omp_atomic): New.
5468 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5469 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5470 OMP_CRITICAL and OMP_ATOMIC.
5471 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5472 * c-pragma.h (enum pragma_kind): Add
5473 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5474 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5475 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5476 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5477 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5478 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5479 PRAGMA_OMP_THREADPRIVATE.
5480 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5481 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5482 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5483 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5484 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5485 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5486 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5487 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5488 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5489 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5490 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5491 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5492 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5494 (struct nesting_info): Add field_map,
5495 suppress_expansion, debug_var_chain.
5496 (create_nesting_tree): Initialize them.
5497 (lookup_field_for_decl): Use field_map.
5498 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5499 (convert_local_omp_clauses): New.
5500 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5501 (walk_body): Split out of walk_function.
5502 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5503 (convert_nonlocal_reference): Handle omp statements.
5504 (convert_local_reference): Likewise.
5505 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5506 (unnest_nesting_tree): New.
5507 (lower_nested_functions): Call it.
5508 (insert_field_into_struct): Make extern.
5509 (struct walk_stmt_info): Move to tree-gimple.h.
5510 (walk_stmts): Make extern.
5511 * omp-builtins.def: New file.
5512 * tree-iterator.c (expr_only): Clarify comment.
5513 * c-common.h (pushdecl_top_level, pushdecl,
5514 build_modify_expr, build_indirect_ref,
5515 c_finish_omp_master, c_finish_omp_critical,
5516 c_finish_omp_ordered, c_finish_omp_barrier,
5517 c_finish_omp_atomic, c_finish_omp_flush,
5518 c_finish_omp_for, c_split_parallel_clauses,
5519 omp_clause_default_kind, c_omp_sharing_predetermined,
5520 c_omp_remap_decl): Declare.
5521 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5522 (OBJS-common): Add omp-low.o.
5523 (c-omp.o, omp-low.o): Add.
5524 (gimplify.o): Add dependency on $(OPTABS_H).
5525 (GTFILES): Add omp-low.c.
5526 (gt-stringpool.h): Add.
5527 * tree-cfg.c (set_bb_for_stmt): Do not update the
5528 block-to-labels map if we are currently expanding to RTL.
5529 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5531 Handle IDENTIFIER_NODE.
5532 (tree_verify_flow_info): Do not ICE when emitting error
5533 messages about invalid labels.
5534 (dump_function_to_file): Reset CFUN before emitting the body
5536 (debug_function): New.
5537 * passes.c (init_optimization_passes): Schedule
5539 * langhooks-def.h (lhd_omp_predetermined_sharing,
5540 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5542 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5543 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5544 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5545 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5546 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5547 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5548 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5549 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5550 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5551 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5552 (LANG_HOOK_DECLS): Use them.
5554 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5555 Richard Henderson <rth@redhat.com>
5556 Jakub Jelinek <jakub@redhat.com>
5557 Diego Novillo <dnovillo@redhat.com>
5559 * c-parser.c (pragma_omp_clause): Define.
5560 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5561 (c_parser_compound_statement): Likewise.
5562 (c_parser_statement): Likewise.
5563 (c_parser_pragma): Handle omp pragmas.
5564 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5565 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5566 (c_parser_omp_clause_name, check_no_duplicate_clause,
5567 c_parser_omp_variable_list,
5568 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5569 c_parser_omp_clause_copyprivate,
5570 c_parser_omp_clause_default,
5571 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5572 c_parser_omp_clause_lastprivate,
5573 c_parser_omp_clause_nowait,
5574 c_parser_omp_clause_num_threads,
5575 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5576 c_parser_omp_clause_reduction,
5577 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5578 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5579 c_parser_omp_atomic, c_parser_omp_barrier,
5580 c_parser_omp_critical, c_parser_omp_flush,
5581 c_parser_omp_for_loop, c_parser_omp_for,
5582 c_parser_omp_master, c_parser_omp_ordered,
5583 c_parser_omp_sections_scope, c_parser_omp_sections,
5584 c_parser_omp_parallel, c_parser_omp_single,
5585 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5586 * c-pragma.c (init_pragma): Do omp pragma registration here.
5587 * c.opt (fopenmp): New flag.
5589 2006-01-18 Eric Christopher <echristo@apple.com>
5591 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5592 * config/darwin.h (GOMP_SELF_SPECS): Define.
5594 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5596 * rtl.h: Remove the prototype for reg_alloc.
5598 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5601 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5602 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5603 sjlj and dwarf2 exception handling.
5604 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5605 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5606 * pa/pa.c (function_value): Treat complex and vector types as
5608 (function_arg): Likewise. Only pass scalar floats in the floating
5609 point argument registers.
5610 * pa/t-slibgcc-dwarf-ver: New file.
5611 * pa/t-slibgcc-sjlj-ver: New file.
5612 * pa/t-slibgcc-elf-ver: Delete file.
5614 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5616 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5617 unlikely_test_section_p test.
5619 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5621 * mode-switching.c (optimize_mode_switching): Make it static.
5622 * basic-block.h: Remove the prototype for
5623 optimize_mode_switching.
5625 * modulo-sched.c (sms_schedule): Make it static.
5626 * rtl.h: Remove the prototype for sms_schedule.
5628 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5629 * rtl.h: Remove the prototype for gcse_after_reload_main.
5631 * reg-stack.c (reg_to_stack): Make it static.
5632 * rtl.h: Remove the prototype for reg_to_stack.
5634 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5636 * rtl.h: Remove the prototypes for regrename_optimize and
5637 copyprop_hardreg_forward.
5639 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5641 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5642 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5643 Test against the appropriate null constant for the mode.
5644 If 'fixup_overlap' is true, swap the operands if they overlap.
5645 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5646 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5647 alpha_split_tmode_pair and adjust for above change.
5648 * config/alpha/alpha.md (movtf_internal): Adjust call to
5649 alpha_split_tfmode_pair and rely on it to swap the operands.
5650 (movti_internal): New insn and post-reload splitter.
5651 (movti): New expander.
5653 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5655 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5658 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5660 * rtlanal.c (global_reg_mentioned_p_1,
5661 global_reg_mentioned_p): Remove.
5662 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5664 * flow.c (initialize_uninitialized_subregs): Make it static.
5665 * rtl.h: Remove the prototype for
5666 initialize_uninitialized_subregs.
5668 * function.c (instantiate_virtual_regs): Make it static.
5669 * function.h: Remove the prototype for
5670 instantiate_virtual_regs.
5672 * regmove.c (regmove_optimize, combine_stack_adjustments):
5674 * rtl.h: Remove the prototypes for regmove_optimize and
5675 combine_stack_adjustments.
5677 2006-01-17 Roger Sayle <roger@eyesopen.com>
5679 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5680 (size_cost): Encode costs in bytes so that a reg-reg addition is
5681 equivalent to COSTS_N_INSNS(1).
5682 (override_options): Use the size_cost.branch_cost as the default
5683 ix86_branch_cost when optimizing for size.
5685 2006-01-18 Ben Elliston <bje@au.ibm.com>
5687 * Makefile.in (D32PBIT_FUNCS): New.
5688 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5689 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5690 D64PBIT_FUNCS and D128PBIT_FUNCS.
5691 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5692 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5694 (decnumber_dep): Define.
5695 * doc/libgcc.texi (Decimal float library routines): New node.
5696 * config/dfp-bit.h, config/dfp-bit.c: New files.
5698 2006-01-18 Ben Elliston <bje@au.ibm.com>
5700 * expr.c (emit_move_change_mode): Always adjust addresses, not
5701 just during reload. Copy replacements only during reload.
5702 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5703 emit_move_via_integer.
5705 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5707 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5708 instead of $(srcdir) and ${srcdir}.
5710 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5714 * arm.h (struct machine_function): Add pic_reg.
5715 * arm.c (arm_pic_register): Make unsigned.
5716 (arm_override_options): Only set arm_pic_register if
5717 TARGET_SINGLE_PIC_BASE.
5718 (use_return_insn): Only test for a pic register if it is fixed.
5719 (arm_compute_save_reg0_reg12_mask): Likewise.
5720 (thumb_compute_save_reg_mask): Likewise.
5721 (legitimate_pic_operand): Factor out some known invariants.
5722 (legitimize_pic_address): If we don't have a fixed pic register,
5723 then set up a pseudo in the function entry sequence. Handle the
5724 pic base being in a pseudo.
5725 (arm_load_pic_register): Handle the pic register being in a pseudo.
5726 (arm_expand_prologue): Only set up the pic register if it is fixed.
5727 (thumb_expand_prologue): Likewise.
5728 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5729 (pic_load_addr_based_insn): Likewise.
5730 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5733 2006-01-18 Ben Elliston <bje@au.ibm.com>
5735 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5736 decimal float modes for all floating point registers.
5738 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5739 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5741 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5744 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5745 even when the pointer is not NULL.
5747 2006-01-16 Ian Lance Taylor <ian@airs.com>
5749 * common.opt (ftoplevel-reorder): New option.
5750 * cgraph.c (cgraph_asm_nodes): New global variable.
5751 (cgraph_asm_last_node): New static variable.
5752 (cgraph_order): New global variable.
5753 (cgraph_create_node): Set new order field.
5754 (cgraph_varpool_node): Likewise.
5755 (decide_is_variable_needed): Return true if not
5756 flag_toplevel_reorder.
5757 (cgraph_add_asm_node): New function.
5758 * cgraph.h (struct cgraph_node): Add order field.
5759 (struct cgraph_varpool_node): Add order field.
5760 (struct cgraph_asm_node): Define.
5761 (cgraph_asm_nodes, cgraph_order): Declare.
5762 (cgraph_add_asm_node): Declare.
5763 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5765 (cgraph_varpool_assemble_pending_decls): Call it.
5766 (cgraph_output_pending_asms): New static function.
5767 (cgraph_finalize_compilation_unit): Call it.
5768 (struct cgraph_order_sort): Define.
5769 (cgraph_output_in_order): New static function.
5770 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5771 !flag_toplevel_reorder case.
5772 * c-parser.c: Include "cgraph.h".
5773 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5775 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5776 than -fno-unit-at-a-time.
5777 * doc/invoke.texi (Option Summary): Mention
5778 -fno-toplevel-reorder.
5779 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5780 -funit-at-a-time documentation.
5782 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5783 Kazu Hirata <kazu@codesourcery.com>
5785 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5787 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5789 * Makefile.in (FUNCTION_H): New. Use it instead of
5790 function.h throughout the file.
5791 * function.h: Include tree.h.
5793 2006-01-17 Ben Elliston <bje@au.ibm.com>
5795 * recog.c: Separate some functions with whitespace.
5797 2006-01-16 Richard Henderson <rth@redhat.com>
5799 Merge from gomp branch:
5800 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5801 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5802 and rename from struct inline_data. Rename callee* to dst*;
5803 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5804 transform_new_cfg, transform_return_to_modify, and
5805 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5807 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5808 (copy_decl_for_dup): Remove.
5809 * tree-inline.c (struct inline_data): Move to header.
5810 (insert_decl_map): Export.
5811 (remap_decl): Update for member name changes. Use copy_decl hook.
5812 Allow for replacement to be a non-decl. Remove dead code.
5813 (remap_type_1): Check for existing mapping.
5814 (remap_type): Export.
5815 (remap_decls): Update for member name changes.
5816 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5817 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5818 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5819 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5820 (tree_function_versioning, build_duplicate_type): Likewise.
5821 (copy_body_r): Likewise. Export.
5822 (copy_decl_for_dup): Split into ...
5823 (copy_decl_for_dup_finish, copy_decl_to_var,
5824 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5825 (replace_ref_tree, inlining_p): Remove.
5827 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5829 * ifcvt.c (if_convert): Make it static.
5830 * rtl.h: Remove the prototype for if_convert.
5832 * local-alloc.c (local_alloc): Make it static.
5833 * rtl.h: Remove the prototype for local_alloc.
5835 * loop.c (loop_optimize): Make it static.
5836 * cfgloop.h: Remove the prototype for loop_optimize.
5839 2006-01-16 DJ Delorie <dj@redhat.com>
5841 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5844 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5846 * pa.md: Disparage copies between general and floating-point registers
5847 in 32-bit move patterns.
5849 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5852 * Makefile.in (check-%): Depend on site.exp instead of
5853 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5856 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5858 * global.c (global_alloc): Make it static.
5859 * rtl.h: Remove the prototype for global_alloc.
5861 2006-01-16 Richard Guenther <rguenther@suse.de>
5863 * tree-ssa-alias.c (struct used_part): Add write_only field.
5864 (get_or_create_used_part_for): Initialize it to true.
5865 (create_overlap_variables_for): Don't create structure variables
5866 for structures that only are written to.
5867 (find_used_portions): Handle MODIFY_EXPR to track whether a
5868 structure is only written to.
5870 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5872 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5874 * basic-block.h: Remove the prototype for
5875 partition_hot_cold_basic_blocks.
5877 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5879 * cppspec.c (lang_specific_spec_functions): Remove.
5880 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5881 * gcc.h (lang_specific_spec_functions): Remove.
5882 * gccspec.c (lang_specific_spec_functions): Remove.
5884 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5886 * combine.c (record_value_for_reg): Invalidate registers
5888 (record_dead_and_set_regs_1): Likewise, by passing them to
5889 record_value_for_reg.
5890 (record_dead_and_set_regs): Invalidate stores made by a
5891 call. We do not combine across a call, but we still
5892 relied on equivalences.
5894 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5896 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5897 vrp_int_const_binop returning non-constant nodes.
5899 2006-01-16 Paul Brook <paul@codesourcery.com>
5901 * config/m68k/m68k.c (output_move_const_into_data_reg):
5902 Output correct mnemonic for mvz and mvs.
5904 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5906 * rtl-factoring.c: Add sequence abstraction algorithm.
5907 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5908 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5910 (block_has_preserve_label): New function.
5911 * common.opt: Register new pass.
5912 * Makefile.in: Ditto.
5914 * timevar.def: Ditto.
5915 * tree-pass.h: Ditto.
5916 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5917 * rtl.h (make_jump_insn_raw): Add forward decl.
5918 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5920 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5921 Roger Sayle <roger@eyesopen.com>
5923 * fold-const.c (fold_minmax): New static function.
5924 (fold_binary) <MIN_EXPR>: Call it.
5925 <MAX_EXPR>: Likewise.
5926 * stor-layout.c (place_field): Use DECL_SIZE consistently
5927 in the computation of the new record size.
5929 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5931 * cse.c (cse_condition_code_reg): Make it static.
5932 * rtl.h: Remove the prototype for cse_condition_code_reg.
5934 * combine.c (combine_instructions): Make it static.
5935 * rtl.h: Remove the prototype for combine_instructions.
5937 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5940 * tree.c (get_file_function_name_long): Concatenate the first global
5941 object name with a string derived from the input filename of the object
5944 2006-01-16 Ben Elliston <bje@au.ibm.com>
5946 * config/i386/winnt-stubs.c: Update FSF address.
5947 * config/xtensa/ieee754-df.S: Ditto.
5948 * config/xtensa/ieee754-sf.S: Ditto.
5950 2006-01-14 Ian Lance Taylor <ian@airs.com>
5952 * ifcvt.c (noce_init_if_info): New static function, broken out of
5953 noce_process_if_block.
5954 (noce_process_if_block): Call noce_init_if_info.
5955 (check_cond_move_block): New static function.
5956 (cond_move_process_if_block): New static function.
5957 (process_if_block): Call cond_move_process_if_block.
5959 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5961 * cselib.c (hash_table): Rename to cselib_hash_table.
5962 (cselib_clear_table, discard_useless_values,
5963 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5964 cselib_init, cselib_finish): Adjust uses of hash_table.
5966 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5968 PR tree-optimization/25485
5969 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5970 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5971 is known to be false and true, respectively.
5973 2006-01-14 Richard Guenther <rguenther@suse.de>
5975 PR tree-optimization/22548
5976 PR tree-optimization/22555
5977 PR tree-optimization/22501
5978 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5979 * params.def (salias-max-array-elements): New parameter.
5980 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5981 * doc/invoke.texi (salias-max-array-elements): Document.
5982 * tree-flow-inline.h (var_can_have_subvars): We also handle
5984 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5986 * tree-ssa-structalias.c (params.h): Include.
5987 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5988 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5989 (get_constraint_for): For ADDR_EXPR operating on something
5990 containing an ARRAY_REF, add all subvars to the solution.
5991 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5992 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5993 for creating MUST_DEFs.
5994 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5996 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5998 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
6000 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
6001 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6002 number_of_iterations_le): New functions.
6003 (number_of_iterations_special): Removed.
6004 (number_of_iterations_exit): Do not use number_of_iterations_special.
6005 * tree.c (unsigned_type_for): Always return integer type.
6007 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
6008 Richard Guenther <rguenther@suse.de>
6010 PR rtl-optimization/24257
6011 * gcse.c (find_moveable_store): Only consider a store movable
6012 when the SET_SRC of the insn can be assigned to a register.
6014 2006-01-14 Ian Lance Taylor <ian@airs.com>
6016 * tree.c (tree_not_class_check_failed): New function.
6017 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
6018 (tree_not_class_check_failed): Declare.
6020 2006-01-13 Ian Lance Taylor <ian@airs.com>
6022 * reload1.c (do_output_reload): Add assertion rejecting a
6025 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
6027 * combine.c (struct reg_stat): Add new fields truncation_label and
6029 (record_value_for_reg): Reset truncated_to_mode.
6030 (record_truncated_value): New function.
6031 (check_promoted_subreg): Call it. Rename to check_conversions.
6032 (combine_instructions): Rename check_promoted_subreg to
6034 (reg_truncated_to_mode): New function.
6035 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
6036 (gen_lowpart_or_truncate): New function.
6037 (force_to_mode): Use it instead of gen_lowpart.
6039 2006-01-13 Diego Novillo <dnovillo@redhat.com>
6041 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
6042 VAR is a tag, not its type tag.
6044 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
6046 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
6047 alternatives to match style of other entries.
6048 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
6050 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
6052 PR tree-optimization/25771
6053 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
6056 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
6059 * tree-inline.c (declare_return_variable): If the return variable
6060 was marked as a non gimple complex, set the return slot variable
6061 to be a non gimple comple variable.
6063 2006-01-13 Richard Guenther <rguenther@suse.de>
6065 * builtins.c (expand_builtin_sincos): New function.
6066 (expand_builtin_mathfn_3): Remove dead code, sin and cos
6068 (expand_builtin): Expand sincos using expand_builtin_sincos.
6070 2006-01-12 DJ Delorie <dj@redhat.com>
6072 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
6073 shift counts, separate SI shifts for m32c vs m16c, pass shift type
6074 so that constant shifts can be split.
6075 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
6076 (m32c_valid_pointer_mode): Make static.
6077 (shift_gen_func_for): New.
6078 (m32c_prepare_shift): Use it. Split large const shifts into
6080 * config/m32c/predicates.md (shiftcount_operand): Allow more
6082 (longshiftcount_operand): New.
6083 * doc/md.texi (Machine Constraints): Document In6.
6085 2006-01-13 Ben Elliston <bje@au.ibm.com>
6087 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
6088 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
6091 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
6093 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
6094 to try to avoid clobbering pieces of structures when we know
6095 something about the whole structure.
6096 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
6098 2006-01-13 Ben Elliston <bje@au.ibm.com>
6100 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
6101 return in memory, as this is no limitation is no longer present.
6103 2006-01-12 DJ Delorie <dj@redhat.com>
6105 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
6106 mova with fb, and for fb+0 -> An.
6108 * config/m32c/mov.md (peephole2): Fix enabling logic.
6110 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6111 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
6112 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
6113 FINI_ARRAY_SECTION_ASM_OP): Define.
6115 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
6117 (m32c_legitimize_reload_address): New logic to reload FB to An.
6118 (m32c_output_reg_push): Add newline.
6119 (m32c_output_reg_pop): Likewise.
6121 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
6123 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
6125 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6127 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6129 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6131 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6134 2006-01-11 Ben Elliston <bje@au.ibm.com>
6136 * rtlanal.c (find_reg_note): Assert insn is not null.
6138 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6140 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6143 2006-01-11 Jeff Law <law@redhat.com>
6145 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6147 (mark_threaded_blocks, register_jump_thread): New functions.
6148 (thread_through_all_blocks): Remove unwanted argument. No
6149 longer rely on e->aux to communicate thread target info.
6150 Call mark_threaded_blocks. Release the threaded_blocks
6151 bitmap and threaded_edges vector when complete.
6152 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6153 (threaded_blocks): Remove.
6154 (tree_ssa_dominator_optimize): Remove initialization and
6155 finalization of threaded_blocks. Simplify call to
6156 thread_through_all_blocks.
6157 (thread_across_edge): Call register_jump_thread rather than
6158 storing thread information into e->aux.
6159 (free_all_edge_infos): Simplify now that e->aux is no longer
6160 used to communicate with thread_through_all_blocks.
6161 * tree-flow.h (thread_through_all_blocks): Update prototype.
6162 (register_jump_thread): Prototype.
6164 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6166 * df-core.c (df_compact_blocks, df_bb_replace): Use
6167 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6169 2006-01-11 Richard Guenther <rguenther@suse.de>
6171 PR tree-optimization/25734
6172 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6173 stop propagation after successful propagation to the LHS.
6175 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6177 * basic-block.h (control_flow_graph): Change the type of
6178 x_basic_block_info to VEC(basic_block,gc) *.
6179 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6181 (SET_BASIC_BLOCK): New.
6182 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6183 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6184 * cfgbuild.c (find_basic_blocks): Likewise.
6185 * cfglayout.c (fixup_reorder_chain): Likewise.
6186 * cfgrtl.c (create_basic_block_structure,
6187 rtl_create_basic_block): Likewise.
6188 * ifcvt.c (find_if_case_1): Likewise.
6189 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6192 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6194 * Makefile.in: Removed rotted odf.c entry.
6196 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6199 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6200 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6201 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6202 output pattern modifier, not %e.
6203 * config/cris/cris.c (cris_op_str): Update comment about pattern
6205 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6206 before falling through into...
6207 <case 'E'>: Redefined from old 'e' case.
6209 2006-01-11 Jan Hubicka <jh@suse.cz>
6212 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6214 2006-01-11 Jan Hubicka <jh@suse.cz>
6216 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6217 * i386.c (x86_decompose_lea): Kill.
6218 (ix86_rtx_costs): Kill.
6220 2006-01-11 Jan Hubicka <jh@suse.cz>
6222 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6223 * cgraph.h (cgraph_node): Add inline_decl.
6224 (cgraph_insert_node_to_hashtable): Declare.
6225 (save_inline_function_body): Declare.
6226 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6228 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6229 (cgraph_function_versioning): Update call of tree_function_versioning.
6230 (save_inline_function_body): New function.
6231 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6232 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6233 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6234 (cgraph_default_inline_p): Likewise.
6235 (cgraph_decide_inlining_incrementally): Likewise.
6236 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6237 (copy_bb): Kill saving; do updating of clones.
6238 (copy_cfg_body): Kill saving.
6239 (initialize_inlined-parameters): Likewise.
6240 (expand_call_inline): Likewise.
6242 (tree_function_versioning): New parameter "update_clones".
6243 (inlining_p): Kill saving.
6244 * tree-inline.h (tree_function_versioning): Update prototype.
6245 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6248 2006-01-11 Ian Lance Taylor <ian@airs.com>
6250 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6251 Allow undoing set of machine mode.
6252 (do_SUBST): Use enums instead of is_int.
6253 (do_SUBST_MODE): New function.
6254 (SUBST_MODE): New macro.
6255 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6256 reg and trying to replace reg_regno_rtx with a new register.
6257 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6258 (simplify_set): Use SUBST_MODE.
6259 (distribute_notes): Remove code that tried to update reg notes
6260 for regno_reg_rtx changes.
6262 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6264 PR tree-optimization/23109
6265 PR tree-optimization/23948
6266 PR tree-optimization/24123
6268 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6269 * tree-cfg.c (single_noncomplex_succ): New.
6270 * tree-flow.h (single_noncomplex_succ): Declare it.
6271 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6272 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6273 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6274 insert_bb, register_division_in, insert_reciprocals,
6275 replace_reciprocal, free_bb): New.
6276 (execute_cse_reciprocals_1): Rewritten.
6277 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6278 Do not commit any edge insertion. Always compute dominators and
6279 create the allocation pool.
6280 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6281 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6282 * targhooks.c (default_min_divistions_for_recip_mul): New.
6283 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6284 * passes.c (init_optimization_passes): Run recip after tree loop
6286 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6288 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6289 Kenneth Zadeck <zadeck@naturalbridge.com>
6291 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6292 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6293 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6294 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6295 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6296 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6297 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6298 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6299 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6300 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6301 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6302 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6303 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6304 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6305 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6306 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6307 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6308 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6309 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6310 DF_SCAN_POST_ALLOC): New macros.
6311 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6312 df_free_bb_function, df_local_compute_function, df_init_function,
6313 df_dataflow_function, df_confluence_function_0,
6314 df_confluence_function_n, df_transfer_function,
6315 df_finalizer_function, df_free_function, df_dump_problem_function,
6316 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6317 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6318 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6319 df_urec_bb_info, ) New types.
6320 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6322 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6323 df_analyze_simple_change_some_blocks,
6324 df_analyze_simple_change_one_block, df_compact_blocks,
6325 df_bb_replace, df_bb_regno_last_use_find,
6326 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6327 df_insn_regno_def_p, df_find_def, df_find_use,
6328 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6329 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6330 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6331 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6332 debug_df_chain, df_get_dependent_problem, df_chain_create,
6333 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6334 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6335 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6336 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6337 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6338 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6339 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6340 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6341 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6342 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6343 df_reorganize_refs, df_set_state, df_hard_reg_init,
6344 df_read_modify_subreg_p) New public functions.
6345 * df-core.c: The core dataflow solver and glue routines for rtl
6347 (df_init, df_add_problem, df_set_blocks, df_finish,
6348 df_hybrid_search_forward, df_hybrid_search_backward,
6349 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6350 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6351 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6352 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6353 df_reg_defined, df_find_use, df_reg_used, df_dump,
6354 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6355 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6356 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6357 debug_df_useno, reset_df_after_reload): New functions.
6358 * df-scan.c: The scanning fuctions, once in df.c, completely
6359 rewritten so that they now fully model the functionality of
6360 register usage at the backend.
6361 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6362 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6363 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6364 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6365 df_get_artificial_defs, df_get_artificial_uses,
6366 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6367 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6368 df_refs_delete, df_reorganize_refs, df_set_state,
6369 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6370 df_def_record_1, df_defs_record, df_uses_record,
6371 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6372 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6373 df_record_exit_block_uses, df_hard_reg_init): New functions.
6375 * df-problems.c: Seven concrete dataflow problems that use the
6376 scanning in df-scan.c and are solved by the engine in df-core.c.
6377 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6378 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6379 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6380 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6381 df_ru_free_bb_info, df_ru_alloc,
6382 df_ru_bb_local_compute_process_def,
6383 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6384 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6385 df_ru_transfer_function, df_ru_free, df_ru_dump,
6386 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6387 df_rd_free_bb_info, df_rd_alloc,
6388 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6389 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6390 df_rd_transfer_function, df_rd_free, df_rd_dump,
6391 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6392 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6393 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6394 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6395 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6396 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6397 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6398 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6399 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6400 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6401 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6402 df_urec_mark_reg_use_for_earlyclobber,
6403 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6404 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6405 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6406 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6407 df_chain_create_bb_process_use, df_chain_create_bb,
6408 df_chain_finalize, df_chain_free, df_chains_dump,
6409 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6410 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6411 df_reg_lifetime): New functions.
6412 * df.c: Deleted file.
6413 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6414 consistent with new df api.
6415 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6416 rest_of_handle_sms): Ditto.
6417 * web.c (unionfind_union, union_defs, entry_register, web_main):
6419 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6420 invariant_expr_equal_p, find_defs, check_dependencies,
6421 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6422 free_inv_motion_data, move_loop_invariants): Ditto.
6423 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6424 Update dependencies.
6425 (odf.c): Added defective entry that was deleted later in day.
6426 * sched-deps.c (sched_analyze_1): Ditto.
6428 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6430 * tree-ssa-operands.c (get_expr_operands): Record addressable
6431 variables directly. Do not call add_stmt_operands for CONST_DECLs
6433 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6434 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6436 2006-01-11 Ben Elliston <bje@au.ibm.com>
6438 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6439 function returns true in the positive case.
6441 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6444 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6445 for SI, DI, SF and DF modes. Add alternatives to copy between
6446 general and floating point registers to the 32-bit patterns.
6447 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6448 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6449 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6450 generating 64-bit code.
6451 * config/pa/pa.c (output_move_double): Handle copies between general
6452 and floating registers.
6454 2006-01-10 Stuart Hastings <stuart@apple.com>
6456 * config/i386/i386.md (set_got): Update.
6457 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6458 (builtin_setjmp_receiver): Mach-O support.
6459 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6460 (GOT_SYMBOL_NAME): Define.
6461 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6462 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6463 * config/i386/i386.c (override_options): Revise for Darwin.
6464 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6465 support. (darwin_x86_file_end): New. (output_set_got): Add label
6466 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6467 * config/i386/i386-protos.h (output_set_got): Likewise.
6468 * config/darwin.c (machopic_legitimize_pic_address): Update
6471 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6473 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6474 when MODE isn't BLKmode.
6476 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6478 PR rtl-optimization/25367
6479 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6481 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6484 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6485 for a negative bound.
6487 2006-01-10 Richard Guenther <rguenther@suse.de>
6489 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6490 Never override with anything constraint.
6492 2006-01-10 Jan Beulich <jbeulich@novell.com>
6494 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6495 256 bits when optimize_size.
6497 2006-01-10 Jan Beulich <jbeulich@novell.com>
6499 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6501 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6502 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6505 2006-01-10 Ben Elliston <bje@au.ibm.com>
6507 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6509 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6510 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6511 (USE_FP_FOR_ARG): Reject decimal float modes.
6512 (function_arg_advance): Likewise.
6513 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6514 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6515 point types in AltiVec vectors.
6516 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6517 (rs6000_libcall_value): Likewise.
6519 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6521 * config/xtensa/ieee754-df.S: New file.
6522 * config/xtensa/ieee754-sf.S: New file.
6523 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6524 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6525 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6527 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6529 * config/sh/predicates.md (binary_float_operator,
6530 binary_logical_operator, commutative_float_operator,
6531 equality_comparison_operator, greater_comparison_operator,
6532 less_comparison_operator, logical_operator,
6533 noncommutative_float_operator, shift_operator,
6534 symbol_ref_operand, unary_float_operator): Remove redundant
6537 2006-01-09 Jeff Law <law@redhat.com>
6539 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6540 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6541 now unused arguments. Callers updated.
6542 (eliminate_redundant_computations): Remove now unused arguments,
6544 (local_fold): Remove, no longer used.
6545 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6547 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6548 (simplify_cond): New function.
6549 (forward_propagate_into_cond): Call simplify_cond.
6551 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6553 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6554 (*vec_extractv2di_1_sse): New.
6556 2006-01-09 Ben Elliston <bje@au.ibm.com>
6558 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6560 2006-01-08 Richard Guenther <rguenther@suse.de>
6562 * tree-ssa-structalias.c (get_constraint_for): Remove
6564 (get_constraint_for_component_ref): Likewise.
6565 (do_deref): Likewise.
6566 (get_constraint_for): Likewise.
6567 (do_structure_copy): Likewise.
6568 (handle_ptr_arith): Likewise.
6569 (find_func_aliases): Likewise. Remove unused need_anyoffset
6572 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6573 Kaz Kojima <kkojima@gcc.gnu.org>
6575 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6576 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6577 (EXTRA_CONSTRAINT_C16): Remove.
6578 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6579 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6580 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6581 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6582 constants of SHmedia. Handle nested constant expressions of
6584 (andcosts): Fix the costs for SHmedia constants.
6585 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6586 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6587 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6588 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6589 (movv4hi_i, movv2si_i): Likewise.
6590 (movsi_const): Adjust the second operand of ior so to match with
6592 (movdi_const, movdi_const_32bit): Likewise.
6593 (movdi_const_16bit+1): Don't sign-extend LOW.
6594 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6596 (*double_shori): Fix the split condition. Use GEN_INT instead
6597 of get_int_mode calls. Mask lower 16-bit of the argument of
6599 (sym2GOTPLT): Remove.
6600 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6602 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6603 instead of EXTRA_CONSTRAINT_C16.
6605 2006-01-07 Ian Lance Taylor <ian@airs.com>
6606 David Edelsohn <edelsohn@gnu.org>
6608 PR rtl-optimization/25662
6609 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6610 for constant operands instead of simplify_gen_binary.
6611 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6612 after trying simplify_binary_operation
6614 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6616 * tree.c (iterative_hash_expr): Hash decls based on UID.
6618 2006-01-06 Eric Christopher <echristo@apple.com>
6620 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6621 (TARGET_UNWIND_EMIT): Fix spelling.
6622 * target.h (gcc_target): Add except_table_label.
6623 * except.c (output_function_exception_table): Use.
6624 * varasm.c (default_emit_except_table_label): New.
6625 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6627 (asm_out): Add here.
6628 * output.h (default_emit_except_table_label): Prototype.
6629 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6630 * config/darwin.c (darwin_emit_except_table_label): Define.
6631 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6633 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6635 PR tree-optimization/18527
6636 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6637 number_of_iterations_special, number_of_iterations_exit):
6638 Move base and step of an iv to a single structure. Add
6639 no_overflow flag, and use it in # of iterations analysis.
6640 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6641 folded_casts argument.
6642 (simple_iv): Pass base and step in a structure. Set no_overflow
6644 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6645 Evaluate expensiveness of computing # of iterations instead of
6646 the final expression.
6647 * tree-scalar-evolution.h (affine_iv): New structure.
6648 (simple_iv): Declaration changed.
6649 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6650 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6651 find_givs_in_stmt): Changed due to simple_iv change.
6653 2006-01-06 Jeff Law <law@redhat.com>
6656 * tree-cfg.c (bsi_replace): Rename final argument from
6657 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6658 change (stmt -> orig_stmt).
6659 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6660 (bsi_remove): Add new argument. Remove EH information
6662 (verify_eh_throw_table_statements): New function.
6663 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6665 * tree-optimize.c (execute_free_cfg_annotations): Verify
6666 the EH throw statement table after removing annotations.
6667 * except.h (verify_eh_throw_table_statements): Prototype.
6668 * tree-flow.h (bsi_remove): Update prototype.
6669 * tree-vrp.c (remove_range_assertions): Add new argument to
6671 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6672 * tree-complex.c (expand_complex_div_wide): Likewise.
6673 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6674 * tree-tailcall.c (eliminate_tailcall): Likewise.
6675 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6676 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6677 * tree-nrv.c (tree_nrv): Likewise.
6678 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6679 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6680 (combine_blocks): Likewise.
6681 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6682 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6683 (cleanup_control_flow): Likewise.
6684 (remove_forwarder_block): Likewise.
6685 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6686 * tree-sra.c (sra_replace): Likewise.
6687 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6688 (forward_propagate_single_use_vars): Likewise.
6689 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6690 * tree-inline.c (expand_call_inline): Likewise.
6691 * tree-vect-transform.c (vect_transform_loop): Likewise.
6692 * tree-outof-ssa.c (rewrite_trees): Likewise.
6693 * tree-cfg.c (make_goto_expr_edges): Likewise.
6694 (cleanup_dead_labels): Likewise.
6695 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6696 (bsi_move_before, bsi_move_after): Likewise.
6697 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6698 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6700 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6703 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6705 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6706 on non gimple variables. Also add checks at the top for decls and
6708 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6710 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6711 and IMAGPART_EXPR for creating MUST_DEFs.
6712 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6713 and NAME_MEMORY_TAG separately from the DECLs.
6715 2006-01-06 Richard Guenther <rguenther@suse.de>
6717 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6718 annotation, if necessary.
6719 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6720 redundant calls to update_stmt.
6721 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6724 2006-01-05 Richard Henderson <rth@redhat.com>
6726 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6728 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6730 * c-typeck.c: Update copyright date.
6732 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6734 * c-typeck.c (build_c_cast): Always warn when casting
6735 from a pointer to an integer of different size, even if
6736 the node was constant.
6738 2006-01-05 Richard Guenther <rguenther@suse.de>
6740 PR tree-optimization/22555
6741 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6742 if one structure field is an array.
6743 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6744 operands even if we found a subvar, but ignore VOPs in this
6746 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6748 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6750 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6753 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6755 2006-01-05 Richard Guenther <rguenther@suse.de>
6756 Diego Novillo <dnovillo@redhat.com>
6758 * tree-pass.h (TODO_remove_unused_locals): Define.
6759 * gimple-low.c (expand_var_p, remove_useless_vars,
6760 pass_remove_useless_vars): Remove. Update all users.
6761 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6762 (remove_unused_locals): New function.
6763 * tree-flow.h (remove_unused_locals): Declare.
6764 * passes.c (execute_todo): Call remove_unused_locals if
6765 TODO_remove_unused_locals is set.
6766 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6767 * tree-ssa-dce.c (pass_dce): Likewise.
6768 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6770 2006-01-05 Richard Guenther <rguenther@suse.de>
6772 * tree-flow.h (struct fieldoff): Decompose field to
6773 type, size and decl.
6774 * tree-ssa-alias.c (create_sft): Take type as parameter.
6775 (create_overlap_variables_for): Store type, size and decl
6776 in the fieldoff structure.
6777 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6779 (push_fields_onto_fieldstack): Likewise.
6780 (create_variable_info_for): Likewise. Use offset for the
6781 SFT name if the decl is not available.
6783 2006-01-04 Paul Brook <paul@codesourcery.com>
6785 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6787 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6789 * lambda-code.c (can_put_in_inner_loop): Relax
6791 (can_put_after_inner_loop): New function.
6792 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6793 (perfect_nestify): Change to make copies and modify uses.
6795 2006-01-04 Richard Henderson <rth@redhat.com>
6797 Merge from gomp branch:
6798 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6799 via integer constant.
6800 (pragma_lex): Remove.
6801 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6802 rather than parsing it.
6803 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6804 handle_pragma_extern_prefix): Add %< %> quotes.
6805 (registered_pragmas): New.
6806 (c_register_pragma_1): New.
6807 (c_register_pragma): Use it.
6808 (c_register_pragma_with_expansion): Likewise.
6809 (c_invoke_pragma_handler): New.
6810 (init_pragma): Use cpp_register_deferred_pragma directly for
6812 * c-pragma.h (enum pragma_kind): New.
6813 (pragma_handler): New.
6814 (c_invoke_pragma_handler): Declare.
6815 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6817 * c-common.h (c_common_pch_pragma): Update decl.
6818 * Makefile.in (c-parser.o): Update dependencies.
6819 (GTFILES): Add c-pragma.h.
6820 * c-parser.c (struct c_token): Add pragma_kind.
6821 (struct c_parser): Add in_pragma.
6822 (c_lex_one_token): Always initialize keyword and pragma_kind.
6823 Extract data for CPP_PRAGMA.
6824 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6825 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6826 Don't allow CPP_PRAGMA_EOL if in_pragma.
6827 (c_parser_consume_pragma): New.
6828 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6829 (c_parser_skip_to_end_of_parameter): Likewise.
6830 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6831 (c_parser_skip_to_pragma_eol): New.
6832 (c_parser_external_declaration): Handle CPP_PRAGMA.
6833 (c_parser_compound_statement_nostart): Likewise.
6834 (c_parser_statement_after_labels): Likewise.
6835 (c_parser_pragma): New.
6836 (pragma_lex): Likewise.
6837 (c_parser_pragma_pch_preprocess): New.
6838 (c_parser_new): Merge into ...
6839 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6841 2006-01-04 Jeff Law <law@redhat.com>
6844 * tree-cfg.c (bsi_replace): Remove the original statement
6845 from the EH throw statement table.
6847 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6849 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6850 make the prototype extern "C" and add throw ().
6853 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6854 and pos non-negative and pos + len <= 32.
6855 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6856 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6857 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6860 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6861 as well as sizes not multiple of component size.
6864 * function.c (instantiate_expr): New function.
6865 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6866 walk its DECL_VALUE_EXPR with instantiate_expr.
6868 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6869 DW_OP_deref{,_size} if address isn't going to be added.
6871 2006-01-04 Ben Elliston <bje@au.ibm.com>
6873 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6874 * config/fp-bit.c: Likewise.
6876 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6878 * dominance.c: Add comment about why we use DFS numbering
6881 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6882 Richard Henderson <rth@redhat.com>
6884 Merge from gomp-branch:
6885 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6886 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6888 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6890 PR rtl-optimization/25578
6891 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6892 pass a parameter to simplify_shift_const if changing ASHIFTRT
6895 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6897 * builtins.c (get_builtin_sync_mem): New function.
6898 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6899 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6900 Call get_builtin_sync_mem to generate mem rtx.
6902 2006-01-03 Richard Guenther <rguenther@suse.de>
6905 * stmt.c (add_case_node): Make sure to clear overflow flags
6908 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6910 Merge from gomp-branch.
6911 * config/sparc/sync.md: New file.
6912 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6913 UNSPECV_LDSTUB): New constants.
6914 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6915 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6916 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6919 2006-01-03 Roger Sayle <roger@eyesopen.com>
6921 * combine.c (reg_subword_p): New predicate to test whether the
6922 destination of a set refers to a subword/piece of a register.
6923 (try_combine): Generalize the code to merge the setting of a
6924 pseudo to a constant followed by a set of a subword of that
6925 register to a constant.
6927 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6929 * basic-block.h (control_flow_graph): Change the type of
6930 x_label_to_block_map to VEC(basic_block,gc) *.
6931 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6932 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6934 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6935 VEC(basic_block,heap) *.
6936 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6937 ssa_prop_fini): Adjust the uses of cfg_blocks.
6939 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6941 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6943 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6944 hashing trees instead of a pointer hash.
6945 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6946 compare for MEM_EXPR.
6948 PR rtl-optimization/25130
6949 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6950 when comparing MEMs for GCSE
6952 2006-01-03 Ben Elliston <bje@au.ibm.com>
6954 * targhooks.h (default_decimal_float_supported_p): Declare.
6955 * targhooks.c (default_decimal_float_supported_p): Define.
6956 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6957 `default_decimal_float_supported_p'.
6958 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6960 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6962 * combine.c (apply_distributive_law <SUBREG>): Check
6963 TRULY_NOOP_TRUNCATION.
6965 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6967 * dwarf2out.c (have_switched_text_section): Delete.
6968 (have_multiple_function_sections): New.
6969 (have_location_lists): Make 'bool'.
6970 (add_AT_loc_list): Use 'true' not '1'.
6971 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6972 (output_loc_list): Use have_multiple_function_sections.
6973 (output_ranges): Likewise.
6974 (dwarf2out_begin_function): Set have_multiple_function_sections if
6976 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6977 Check function_section rather than DECL_SECTION_NAME.
6978 (dwarf2out_finish): Use have_multiple_function_sections.
6979 Don't clear have_location_lists.
6981 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6982 Jan Hubicka <jh@suse.cz>
6984 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6985 case of conditional jump jumping to the next instruction.
6986 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6987 cases of conditional jump jumping to the next instruction.
6989 2006-01-02 Jan Hubicka <jh@suse.cz>
6991 * i386.c (*_cost): Add COSTS_N_INSNS.
6992 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6994 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6997 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6999 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7001 * config/arm/arm.c (all_fpus): Fix comment typo.
7002 * config/darwin.c: Likewise.
7003 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
7004 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
7005 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
7007 2006-01-01 David Edelsohn <edelsohn@gnu.org>
7009 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
7010 (rs6000_split_compare_and_swapqhi): New.
7011 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
7012 (sync_compare_and_swapqhi_internal): New.
7013 * config/rs6000/rs6000-protos.h: Declare.