1 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4 flag_test_coverage out of loop.
6 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8 * final.c (shorten_branches): Remove outdated comment, and turn
9 the if branch that guards it to continue.
11 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14 * cfgloop.h (struct loop): Remove unused fields.
16 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
18 * doc/invoke.texi (-fdump-rtl-loop): Remove.
19 (-dL, -fdump-rtl-loop2): Update the dump file names
21 * doc/invoke.texi: Update dump file names.
23 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
25 * predict.c (estimate_probability): Remove.
26 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
27 * basic-block.h (estimate_probability): Remove prototype.
28 * passes.c (finish_optimization_passes): Dump branch prediction or
29 profiling heuristics to the .profile tree dump.
30 (init_optimization_passes): Unqueue pass_branch_prob.
32 * doc/invoke.texi (-fdump-rtl-bp): Remove.
34 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
36 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
37 * rtl.h (LABEL_NEXTREF): Remove field accessor.
39 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
41 * function.h (frame_offset_overflow): Declare.
42 * function.c (frame_offset_overflow): New function.
43 (assign_stack_local_1): Call it to detect that the offset overflows.
44 * cfgexpand.c (alloc_stack_frame_space): Likewise.
46 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
48 * config/sh/sh.c: Include alloc-pool.h.
49 (label_ref_list_pool): New alloc pool.
50 (label_ref_list_t): New type for lists of labels.
51 (struct pool_node): Make wend a label_ref_list_t.
52 (add_constant): Use the new type, eradicate LABEL_NEXTREF
54 (dump_table): Likewise.
55 (sh_reorg): Set up the alloc pool before using add_constant and
56 dump_table, and destroy it when finishing.
58 2006-03-11 Richard Sandiford <richard@codesourcery.com>
60 * config/mips/mips.c: Remove redundant comment.
62 2006-03-10 Jason Merrill <jason@redhat.com>
65 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
66 the target was declared 'register'.
68 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
70 * genpreds.c (write_insn_constraint_len): Change definition of
71 insn_constraint_len to return size_t to match the declaration.
73 2006-03-10 DJ Delorie <dj@redhat.com>
75 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
77 (m32c_expand_insv): Fix test for an AND mask.
79 2006-03-10 Richard Guenther <rguenther@suse.de>
82 * builtins.c (get_pointer_alignment): Handle component
83 references for field alignment.
85 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
87 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
88 when building with libgloss.
89 (sh*elf): Implement --without-fp option.
90 (sh64-superh-linux*): Don't multilib.
92 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
94 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
96 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
98 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
99 Set it when one of the replacement functions returned true.
100 Return TODO_cleanup_cfg if cfgchanged is true.
101 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
103 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
105 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
106 instead of gen_lowpart.
108 2006-03-09 Richard Sandiford <richard@codesourcery.com>
110 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
112 (mips_output_order_conditional_branch): Declare.
113 * config/mips/mips.h (MIPS_BRANCH): New macro.
114 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
115 for the comparison. Use gen_condjump.
116 (mips_output_conditional_branch): Rework interface to take the
117 asm templates for a direct branch and the inverse of a direct branch.
118 (mips_output_order_conditional_branch): New function.
119 (mips_builtin_branch_and_move): New function.
120 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
121 branch condition. Use gen_single_cc as the condition for
122 __builtin_mips_upper_* or __builtin_mips_lower_*.
123 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
124 Use VOIDmode for the branch condition.
125 * config/mips/predicates.md (order_operator): New predicate.
126 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
127 (branch_fp): Rename to...
128 (*branch_fp): ...this. Remove mode from comparison operator.
129 Use new mips_output_conditional_branch interface.
130 (branch_fp_inverted): Rename to...
131 (*branch_fp_inverted): ...this and update as for *branch_fp.
132 (*branch_zero<mode>): Rename to...
133 (*branch_order<mode>): ...this. Remove mode from comparison operator.
134 Use mips_output_order_conditional_branch. Only accept ordered
136 (*branch_zero<mode>_inverted): Rename to...
137 (*branch_order<mode>_inverted): ...this and update as for
139 (*branch_equality<mode>): Accept zero as the second operand to
140 the equality operator. Use the new mips_output_conditional_branch
142 (*branch_equality<mode>_inverted): Likewise.
143 (condjump): New expander.
144 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
146 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
147 (bc1any2t, bc1any2f): Likewise.
148 (single_cc): New expander.
149 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
151 2006-03-09 Richard Sandiford <richard@codesourcery.com>
153 * doc/md.texi: Update documentation of MIPS constraints.
154 * config/mips/constraints.md: New file.
155 * config/mips/mips.md: Include it.
156 * config/mips/mips.c (mips_char_to_class): Delete.
157 (override_options): Don't initialize mips_char_to_class.
158 * config/mips/mips.h (mips_char_to_class): Delete.
159 (REG_CLASS_FROM_LETTER): Delete.
160 (CONST_OK_FOR_LETTER_P): Delete.
161 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
162 (EXTRA_CONSTRAINT_Y): Delete.
163 (EXTRA_CONSTRAINT_STR): Delete.
164 (CONSTRAINT_LEN): Delete.
165 (EXTRA_MEMORY_CONSTRAINT): Delete.
167 2006-03-09 Diego Novillo <dnovillo@redhat.com>
169 * tree-cfg.c (move_block_to_fn): Remove the statements from the
170 original fn's eh regions.
172 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
174 * fold-const.c (build_range_check): Make sure to use a valid type to
175 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
178 (range_predecessor): New static function.
179 (range_successor): Likewise.
180 (merge_ranges): Use them to compute predecessors and successors of
183 2006-03-09 Roger Sayle <roger@eyesopen.com>
186 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
187 X op C3, consider whether C3 overflows towards +Inf or -Inf.
189 2006-03-08 DJ Delorie <dj@redhat.com>
191 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
192 (addpsi3): Expand to include memory operands. Remove
193 reload-specific splits.
194 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
195 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
196 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
197 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
198 (shift1_qi, shift1_hi, insv): New.
199 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
200 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
201 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
203 * config/m32c/m32c-protos.h: Update as needed.
204 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
205 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
206 Fail for unrecognized R* constraints.
207 (m32c_cannot_change_mode_class): Be more picky about pseudos.
208 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
209 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
211 (m32c_init_libfuncs): New.
212 (m32c_legitimate_address_p): Add debug wrapper.
213 (m32c_rtx_costs): New.
214 (m32c_address_cost): New.
215 (conversions): Add 'B' prefix.
216 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
217 operands, or word regnames for QI operands. 'B' prints bit
219 (m32c_expand_setmemhi): New.
220 (m32c_expand_movmemhi): New.
221 (m32c_expand_movstr): New.
222 (m32c_expand_cmpstr): New.
223 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
224 (m32c_expand_neg_mulpsi3): Handle non-ints.
225 (m32c_cmp_flg_0): New.
226 (m32c_expand_movcc): New.
227 (m32c_expand_insv): New.
228 (m32c_scc_pattern): New.
229 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
231 (STORE_FLAG_VALUE): New.
232 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
235 * config/m32c/mov.md: Make constraints more liberal.
236 (zero_extendqihi2): Optimize r0/r1 case.
237 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
238 * config/m32c/predicates.md (m32c_any_operand): New.
239 (m32c_nonimmediate_operand): New.
240 (m32c_hl_operand): New.
241 (m32c_r3_operand): New.
244 (memsym_operand): New.
245 (memimmed_operand): New.
247 (m32c_eqne_operator): New.
248 (m32c_1bit8_operand): New.
249 (m32c_1bit16_operand): New.
250 (m32c_1mask8_operand): New.
251 (m32c_1mask16_operand): New.
252 * config/m32c/blkmov.md: New file.
253 * config/m32c/t-m32c (MD_FILES): Add blkmov.
255 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
257 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
258 unsigned to fix signed/unsigned comparison issue in
259 DWARF2_FRAME_REG_OUT.
260 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
261 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
263 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
264 of ptr into the ENABLE_CHECKING section.
266 2006-03-08 Jeff Law <law@redhat.com>
268 * tree-vrp.c (infer_value_range): Only count pointer uses
269 and dereferences if -fdelete-null-pointer-checks is enabled.
271 * tree-vrp.c (find_assert_locations): Infer value ranges for
272 single use pointers, but do not create ASSERT_EXPRs for them.
273 When a non-null range is inferred for a pointer, backwards
274 propagate that range to other equivalent pointers through the
277 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
280 * Makefile.in (dvi, html, install-info): Invoke the corresponding
281 language hook targets.
282 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
283 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
284 if language hook targets were missing.
286 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
288 * tree-ssa-opfinalize.h: Removed.
289 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
291 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
292 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
293 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
294 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
295 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
296 finalize_ssa_v_must_def_ops): New.
298 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
300 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
303 2006-03-07 Geoffrey Keating <geoffk@apple.com>
305 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
307 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
308 addresses with offsets; reorganize.
310 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
311 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
312 (expand_builtin_init_dwarf_reg_sizes): Likewise.
314 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
317 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
319 2006-03-08 Ben Elliston <bje@au.ibm.com>
321 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
323 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
326 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
329 2006-03-07 Richard Guenther <rguenther@suse.de>
331 PR tree-optimization/26587
332 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
334 2006-03-07 Richard Sandiford <richard@codesourcery.com>
336 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
338 2006-03-07 Richard Sandiford <richard@codesourcery.com>
340 * hooks.c (hook_bool_mode_rtx_true): New function.
341 * hooks.h (hook_bool_mode_rtx_true): Declare.
342 * toplev.c (compile_file): Call output_shared_constant_pool.
343 * varasm.c (shared_constant_pool): New variable.
344 (assemble_start_function, assemble_end_function): Remove arguments
345 from call to output_constant_pool.
346 (create_constant_pool): New function, split out from...
347 (init_varasm_status): ...here.
348 (force_const_mem): Choose between the shared and per-function constant
349 pools. Set current_function_uses_const_pool when reusing old entries
350 as well as when creating new ones.
351 (mark_constant): Ignore data argument.
352 (mark_constants): Remove pool argument.
353 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
354 to decide whether the function uses a constant pool.
355 (output_constant_pool_contents): New function, split out from...
356 (output_constant_pool): ...here.
357 (output_shared_constant_pool): New function.
358 (init_varasm_once): Initialize shared_constant_pool.
359 * output.h (output_constant_pool): Delete.
360 (output_shared_constant_pool): Declare.
361 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
362 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
364 2006-03-06 Nick Clifton <nickc@redhat.com>
366 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
367 flag_strength_reduce.
369 2006-03-06 Ben Elliston <bje@au.ibm.com>
371 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
372 x86_64-*-linux* configurations.
374 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
375 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
377 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
379 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
381 * basic-block.h: Remove the extern for
382 rediscover_loops_after_threading.
384 * cfgloop.c (cancel_loop): Make it static.
385 * cfgloop.h: Remove the prototype for cancel_loop.
387 * flow.c (recompute_reg_usage): Make it static.
388 * rtl.h: Remove the prototype for recompute_reg_usage.
390 * function.c (use_return_register): Make it static.
391 * function.h: Remove the prototype.
393 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
395 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
397 * recog.h: Remove the prototype for
398 validate_change_maybe_volatile.
400 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
402 * rtlanal.c (replace_reg): Remove.
403 * rtl.h: Remove the prototype for replace_reg.
405 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
407 * regclass.c (reg_scan_update): Remove.
408 (reg_scan_mark_refs): Remove the last argument.
409 * rtl.h: Remove the prototype for reg_scan_update.
411 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
413 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
414 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
415 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
416 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
417 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
418 loop-invariant.c, omp-low.c, opts.c, passes.c,
419 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
420 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
421 tree-ssa-structalias.c, tree-ssa-threadedge.c,
422 tree-ssa-threadupdate.c, tree-vect-patterns.c,
423 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
424 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
426 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
428 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
429 * dwarf2out.h: Remove the prototype for
430 dwarf2out_add_library_unit_info.
432 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
434 * tree.c (add_var_to_bind_expr): Remove.
435 * tree.h: Remove the prototype for add_var_to_bind_expr.
437 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
439 * regclass.c (n_non_fixed_regs): Remove.
440 (init_reg_sets_1, globalize_reg): Remove all uses of
442 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
444 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
446 * rtlanal.c (insns_safe_to_move_p): Remove.
447 * rtl.h: Remove the prototype for insns_safe_to_move_p.
449 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
451 * expmed.c (expand_mult_add): Remove.
452 * expr.h: Remove the prototype for expand_mult_add.
454 2006-03-04 Jakub Jelinek <jakub@redhat.com>
456 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
457 and REG_SAVED_VAL_EXP constants.
458 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
459 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
460 Handle regs stored by value.
461 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
462 (execute_cfa_program): Handle DW_CFA_val_offset,
463 DW_CFA_val_offset_sf and DW_CFA_val_expression.
464 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
465 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
466 (uw_install_context_1): Handle target regs stored by value.
468 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
470 * tree-sra.c (tree_sra): Return todoflags;
471 (generate_one_element): Set TODO_update_smt_usage if needed.
472 (pass_sra): Remove TODO_update_smt_usage.
473 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
475 (tree_ssa_forward_propagate_single_use_vars): Return
476 TODO_update_smt_usage if we need to update SMT usage.
477 (pass_forwprop): Remove TODO_update_smt_usage.
479 2006-03-03 Diego Novillo <dnovillo@redhat.com>
481 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
482 (correct_use_link): Remove reference to get_stmt_operands.
483 (update_stmt_operands): Likewise.
484 (get_modify_expr_operands): New function factored out of
485 parse_ssa_operands and get_expr_operands.
486 Try to create V_MUST_DEFs for LHS by default.
487 (get_expr_operands) <case MODIFY_EXPR>: Call
488 get_modify_expr_operands.
489 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
490 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
491 (parse_ssa_operands) <case MODIFY_EXPR>: Call
492 get_modify_expr_operands.
494 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
496 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
497 * tree-flow.h: Remove the prototype for
498 referenced_var_lookup_if_exists.
500 2006-03-03 Steve Ellcey <sje@cup.hp.com>
502 PR rtl-optimization/26345
504 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
506 2006-03-03 Roger Sayle <roger@eyesopen.com>
508 PR tree-optimization/26524
509 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
510 fold_convert to create a constant of the appropriate type.
512 2006-03-03 Richard Sandiford <richard@codesourcery.com>
514 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
515 SYMBOL_REF_IN_BLOCK_P.
516 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
517 of SYMBOL_FLAG_IN_BLOCK.
518 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
519 instead of SYMBOL_REF_IN_BLOCK_P.
520 * explow.c (use_anchored_address): Likewise.
521 * rtl.c (rtx_size): Likewise.
522 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
523 instead of SYMBOL_FLAG_IN_BLOCK.
524 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
525 SYMBOL_REF_IN_BLOCK_P.
526 (assemble_variable): Likewise.
527 (output_constant_def_contents): Likewise.
528 (output_constant_pool): Likewise.
529 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
530 instead of SYMBOL_FLAG_IN_BLOCK.
531 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
532 SYMBOL_REF_IN_BLOCK_P.
533 (SYMBOL_REF_BLOCK): Likewise.
534 (SYMBOL_REF_OFFSET): Likewise.
535 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
536 SYMBOL_REF_IN_BLOCK_P.
537 (SYMBOL_FLAG_IN_BLOCK): Replace with...
538 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
539 (SYMBOL_REF_IN_BLOCK_P): Replace with...
540 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
542 2006-03-03 Jakub Jelinek <jakub@redhat.com>
544 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
546 2006-03-02 Roger Sayle <roger@eyesopen.com>
548 * simplify-rtx.c (simplify_unary_operation): When simplifying
549 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
550 that we perform the right shift in the appropriate mode, and
551 then extend or truncate the result to requested mode.
553 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
555 * gengtype.c (main): Handle double_int type.
556 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
557 * double-int.c: New file.
558 * double-int.h: New file.
559 * system.h: Include doubleint.h.
560 * Makefile.in (SYSTEM_H): Include double-int.h.
563 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
566 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
569 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
571 * tree-vrp.c (remove_range_assertions): Do not update statements
574 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
576 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
578 * gcse.c (rest_of_handle_gcse): Ditto.
579 * except.c (gate_handle_eh): Ditto.
580 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
581 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
583 2006-03-02 Eric Christopher <echristo@apple.com>
585 * config/i386/i386.c (machopic_output_stub): Add indirection to
588 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
592 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
594 Sun Niagara specific optimizations.
595 * config.gcc: Recognize niagara as target.
596 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
597 (TARGET_CPU_niagara): Define.
598 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
599 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
600 (CPP_CPU_SPEC): Handle -mcpu=niagara.
601 (ASM_CPU_SPEC): Likewise.
602 (PROCESSOR_NIAGARA): New enum entry.
603 (REGISTER_MOVE_COST): Handle Niagara.
604 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
605 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
606 (sparc_override_options): Recognize "niagara", set appropriate
607 default MASK_* values for it, and align functions to 32-bytes
608 by default just like ULTRASPARC/ULTRASPARC3.
609 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
610 (sparc64_initialize_trampoline): Likewise.
611 (sparc_use_sched_lookahead): Use zero for niagara.
612 (sparc_issue_rate): Use one for niagara.
613 * config/sparc/niagara.md: New file.
614 * config/sparc/sparc.md: Include it.
615 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
616 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
617 when default cpu is niagara.
618 (CPP_CPU_SPEC): Handle -mcpu=niagara.
619 (ASM_CPU_SPEC): Likewise.
620 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
621 when default cpu is niagara.
622 (ASM_CPU_SPEC): Handle -mcpu=niagara.
623 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
624 just like v9/ultrasparc/ultrasparc3.
625 * doc/invoke.texi: Add documentation for "niagara" and improve
626 existing documentation for ultrasparc variants.
628 2006-03-02 Diego Novillo <dnovillo@redhat.com>
630 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
632 2006-03-02 Richard Sandiford <richard@codesourcery.com>
634 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
635 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
636 and say that only one is needed.
637 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
638 * target.h (have_switchable_bss_sections): New hook.
639 * explow.c (use_anchored_address): Check that the symbol is in a block.
640 * varasm.c (tls_comm_section, comm_section, lcomm_section)
641 (bss_noswitch_section): New variables.
642 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
643 (get_noswitch_section): New function.
644 (get_block_for_section): Allow SECT to be null.
645 (unlikely_text_section_p): Use SECTION_STYLE.
646 (bss_initializer_p): New function.
647 (get_variable_section): Move earlier in file. Take a new argument,
648 prefer_noswitch_p. Move bss checks from assemble_variable to here.
649 Return one of the new *_sections in such cases.
650 (get_block_for_decl): New function, extracting some logic from
651 use_blocks_for_decl_p.
652 (change_symbol_section): Remove in favor of...
653 (change_symbol_block): ...this new function.
654 (use_blocks_for_decl_p): Remove checks now performed by
656 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
657 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
658 (emit_local, emit_bss, emit_common): ...these new functions.
659 Return true if the alignment was honored.
660 (emit_tls_common): New function.
661 (asm_emit_uninitialised): Delete.
662 (assemble_variable_noswitch): New function, split out from...
663 (assemble_variable): ...here. Don't make decisions about common
664 variables here. Globalize all public decls that go into non-common
665 sections. Check whether SYMBOL_REF_BLOCK is null.
666 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
667 (output_constant_pool): Likewise.
668 (init_varasm_once): Initialize the new section variables.
669 (have_global_bss_p): New function.
670 (categorize_decl_for_section): Use bss_initializer_p.
671 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
672 (place_block_symbol): Assert that the symbol must be in a block.
673 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
674 (TARGET_INITIALIZER): Include it.
675 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
676 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
677 (SECTION_MACH_DEP): Bump by two.
678 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
679 (unnamed_section): Mention SECTION_UNNAMED in comment.
680 (named_section): Likewise SECTION_NAMED.
681 (noswitch_section_callback): New type.
682 (noswitch_section): New structure.
683 (section): Add a noswitch_section alternative.
684 (SECTION_STYLE): New macro.
685 (tls_comm_section, comm_section, lcomm_section): Declare.
686 (bss_noswitch_section, have_global_bss_p): Declare.
687 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
688 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
690 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
691 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
694 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
696 * gcc/tree-vrp.c (execute_vrp): Return value.
697 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
698 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
699 * gcc/tree-complex.c (tree_lower_complex): Ditto.
700 (tree_lower_complex_O0): Ditto.
701 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
702 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
703 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
704 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
705 (execute_tail_calls): Ditto.
706 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
707 * gcc/tree.h (init_function_for_compilation): Ditto.
708 * gcc/ipa-cp.c (ipcp_driver): Ditto.
709 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
710 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
711 * gcc/final.c (compute_alignments): Ditto.
712 (rest_of_handle_final): Ditto.
713 (rest_of_handle_shorten_branches): Ditto.
714 (rest_of_clean_state): Ditto.
715 * gcc/omp-low.c (execute_expand_omp): Ditto.
716 (execute_lower_omp): Ditto.
717 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
718 * gcc/ipa-reference.c (static_execute): Ditto.
719 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
720 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
721 (rest_of_handle_machine_reorg): Ditto.
722 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
723 * gcc/flow.c (recompute_reg_usage): Ditto.
724 (rest_of_handle_remove_death_notes): Ditto.
725 (rest_of_handle_life): Ditto.
726 (rest_of_handle_flow2): Ditto.
727 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
728 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
729 (do_ssa_store_ccp): Ditto.
730 (execute_fold_all_builtins): Ditto.
731 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
732 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
733 * gcc/ipa-pure-const.c (static_execute): Ditto.
734 * gcc/cse.c (rest_of_handle_cse): Ditto.
735 (rest_of_handle_cse2): Ditto.
736 * gcc/web.c (rest_of_handle_web): Ditto.
737 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
738 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
739 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
740 * gcc/tree-nrv.c (tree_nrv): Ditto.
741 (execute_return_slot_opt): Ditto.
742 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
743 (create_structure_vars): Ditto.
744 * gcc/loop-init.c (rtl_loop_init): Ditto.
745 (rtl_loop_done): Ditto.
746 (rtl_move_loop_invariants): Ditto.
747 (rtl_unswitch): Ditto.
748 (rtl_unroll_and_peel_loops): Ditto.
750 * gcc/gimple-low.c (lower_function_body): Ditto.
751 (mark_used_blocks): Ditto.
752 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
753 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
754 (cgraph_early_inlining): Ditto.
755 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
756 * gcc/jump.c (cleanup_barriers): Ditto.
757 (purge_line_number_notes): Ditto.
758 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
759 (rest_of_handle_if_after_reload): Ditto.
760 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
761 (tree_ssa_loop_im): Ditto.
762 (tree_ssa_loop_unswitch): Ditto.
763 (tree_vectorize): Ditto.
764 (tree_linear_transform): Ditto.
765 (tree_ssa_loop_ivcanon): Ditto.
766 (tree_ssa_empty_loop): Ditto.
767 (tree_ssa_loop_bounds): Ditto.
768 (tree_complete_unroll): Ditto.
769 (tree_ssa_loop_prefetch): Ditto.
770 (tree_ssa_loop_ivopts): Ditto.
771 (tree_ssa_loop_done): Ditto.
772 * gcc/predict.c (tree_estimate_probability): Ditto.
773 * gcc/recog.c (split_all_insns_noflow): Ditto.
774 (rest_of_handle_peephole2): Ditto.
775 (rest_of_handle_split_all_insns): Ditto.
776 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
777 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
778 (rest_of_handle_stack_adjustments): Ditto.
779 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
780 * gcc/function.c (instantiate_virtual_regs): Ditto.
781 (init_function_for_compilation): Ditto.
782 (rest_of_handle_check_leaf_regs): Ditto.
783 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
784 (rest_of_handle_gcse): Ditto.
785 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
786 * gcc/alias.c (rest_of_handle_cfg): Ditto.
787 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
788 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
789 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
790 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
791 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
792 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
793 * gcc/except.c (set_nothrow_function_flags): Ditto.
794 (convert_to_eh_region_ranges): Ditto.
795 (rest_of_handle_eh): Ditto.
796 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
797 (remove_unnecessary_notes): Ditto.
798 * gcc/except.h (set_nothrow_function_flags): Ditto.
799 (convert_to_eh_region_ranges): Ditto.
800 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
801 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
802 * gcc/tree-ssa-pre.c (do_pre): Ditto.
803 (execute_fre): Ditto.
804 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
805 (rest_of_handle_jump2): Ditto.
806 * gcc/tree-sra.c (tree_sra): Ditto.
807 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
808 (execute_mudflap_function_decls): Ditto.
809 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
810 (do_store_copy_prop): Ditto.
811 * gcc/ipa-prop.h (ipcp_driver): Ditto.
812 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
813 * gcc/tree-ssa-forwprop.c
814 (tree_ssa_forward_propagate_single_use_vars): Ditto.
815 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
816 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
817 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
818 (execute_late_warn_uninitialized): Ditto.
819 * gcc/rtl.h (cleanup_barriers): Ditto.
820 (split_all_insns_noflow): Ditto.
821 (purge_line_number_notes): Ditto.
822 (unshare_all_rtl): Ditto.
823 (remove_unnecessary_notes): Ditto.
824 (recompute_reg_usage): Ditto.
825 (variable_tracking_main): Ditto.
826 * gcc/integrate.c (emit_initial_value_sets): Ditto.
827 * gcc/integrate.h (emit_initial_value_sets): Ditto.
828 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
829 (execute_free_cfg_annotations): Ditto.
830 (execute_fixup_cfg): Ditto.
831 (execute_cleanup_cfg_pre_ipa): Ditto.
832 (execute_cleanup_cfg_post_optimizing): Ditto.
833 (execute_init_datastructures): Ditto.
834 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
835 * gcc/combine.c (rest_of_handle_combine): Ditto.
836 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
837 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
838 (rest_of_handle_reorder_blocks): Ditto.
839 (rest_of_handle_partition_blocks): Ditto.
840 * gcc/var-tracking.c (variable_tracking_main): Ditto.
841 * gcc/tree-profile.c (tree_profiling): Ditto.
842 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
843 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
844 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
845 (rest_of_handle_sched2): Ditto.
846 * gcc/basic-block.h (free_bb_insn): Ditto.
847 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
848 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
849 (remove_useless_stmts): Ditto.
850 (split_critical_edges): Ditto.
851 (execute_warn_function_return): Ditto.
852 (execute_warn_function_noreturn): Ditto.
853 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
854 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
855 * gcc/passes.c (execute_one_pass): Run additional
856 todos returned by execute function.
857 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
860 2006-03-02 Richard Guenther <rguenther@suse.de>
862 * tree-ssa-alias.c (find_used_portions): Consider taking
863 the address as making the variable not write-only.
865 2006-03-02 Nick Clifton <nickc@redhat.com>
867 * config.gcc (default_use_cxa_atexit): Extend the description of
868 this configure variable. Set its default value to "yes" for
869 Linux, NetBSD and ELF targets on the assumption that they will
870 use C libraries with the __cxa_atexit function.
872 2006-03-02 Ben Elliston <bje@au.ibm.com>
874 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
875 parameter as unused to suppress a build warning.
877 2006-03-02 Ben Elliston <bje@au.ibm.com>
879 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
882 2006-03-01 Roger Sayle <roger@eyesopen.com>
885 * gthr-posix.h (__gthrw2): Define to take three parameters, the
886 declared name, the weak reference name, and the typeof name.
887 (__gthrw): Avoid expanding the declared name suffix.
888 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
890 2006-03-01 Jakub Jelinek <jakub@redhat.com>
892 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
894 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
895 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
896 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
897 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
898 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
899 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
900 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
901 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
902 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
903 DW_DS_leading_separate, DW_DS_trailing_separate): New.
904 (DW_END_default, DW_END_big, DW_END_little): New.
905 (DW_END_lo_user, DW_END_hi_user): Define.
906 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
907 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
908 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
911 2006-03-01 Diego Novillo <dnovillo@redhat.com>
913 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
915 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
917 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
919 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
921 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
924 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
927 2006-03-01 Roger Sayle <roger@eyesopen.com>
929 * builtins.c (fold_builtin_copysign): Delete unreachable code.
931 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
934 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
935 MACHO_DYNAMIC_NO_PIC_P.
936 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
938 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
941 * config/darwin-protos.h (darwin_asm_output_anchor):
943 * config/darwin-sections.def (cstring_section):
944 Add SECTION_MERGE to the flags.
945 (literal4_section): Likewise.
946 (literal8_section): Likewise.
947 (objc_selector_refs_section): Likewise.
948 (objc_cls_refs_section): Likewise.
949 * config/darwin.c (darwin_asm_output_anchor): New
951 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
953 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
955 Fix PR tree-optimization/26443
956 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
957 to todo and PROP_tmt_usage to properties_destroyed.
958 * tree-ssa-ccp.c (pass_ccp): Ditto.
959 (pass_store_ccp): Ditto.
960 * tree-ssa-dom.c (pass_dominator): Ditto.
962 2006-03-01 Diego Novillo <dnovillo@redhat.com>
964 * tree-ssa-operands.c: Cleanup whitespace.
965 (get_asm_expr_operands): Move before first invocation.
966 (get_indirect_ref_operands): Likewise.
967 (get_tmr_operands): Likewise.
968 (get_call_expr_operands): Likewise.
969 (append_def): Likewise.
970 (append_use): Likewise.
971 (append_v_may_def): Likewise.
972 (append_v_must_def): Likewise.
973 (add_call_clobber_ops): Likewise.
974 (add_call_read_ops): Likewise.
975 (add_stmt_operand): Likewise.
976 (add_virtual_operand): Likewise.
977 (build_ssa_operands): Likewise.
979 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
984 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
985 with a call expr to ...
986 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
988 2006-03-01 Diego Novillo <dnovillo@redhat.com>
990 * tree-vrp.c (extract_range_from_assert): Remove special
991 handling for types with super-types.
993 2006-03-01 Ben Elliston <bje@au.ibm.com>
995 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
996 and powerpc64-*-linux* configurations.
997 * config/t-dfprules: New file.
999 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
1000 Compile dfp-bit.c from the source directory using -DWIDTH and
1001 $DFP_CFLAGS to control the compilation of that file, rather than
1002 generating width-specific versions in the build directory.
1003 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
1004 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
1006 2006-02-28 Zack Weinberg <zackw@panix.com>
1008 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
1011 2006-02-28 Eric Christopher <echristo@apple.com>
1013 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
1014 Set up IN_LIBGCC definition of TARGET_64BIT.
1015 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
1017 2006-02-28 Roger Sayle <roger@eyesopen.com>
1020 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
1021 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
1022 cases via the construction of "expr != 0".
1024 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1026 * alias.c (alias_invariant, alias_invariant_size): Remove.
1027 (record_base_value): Remove.
1028 (memrefs_conflict_p): Don't look at alias_invariant.
1029 (end_alias_analysis): Don't free it.
1030 * alias.h (record_base_value): Remove prototype.
1032 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
1033 Adam Nemet <anemet@caviumnetworks.com>
1035 * rtl.h (truncated_to_mode): Declare it.
1036 (struct rtl_hooks): Add reg_truncated_to_mode hook.
1037 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
1038 (RTL_HOOKS_INITIALIZER): Include it.
1039 * rtlhooks.c (reg_truncated_to_mode_general): New function.
1040 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
1041 reg_truncated_to_mode.
1042 * rtlanal.c (truncated_to_mode): Define it.
1043 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1045 2006-02-28 Jeff Law <law@redhat.com>
1047 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
1048 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
1049 the range allowed by TYPE_PRECISION.
1051 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
1053 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
1055 PR tree-optimization/26419
1056 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
1059 2006-02-27 Zack Weinberg <zackw@panix.com>
1061 * doc/md.texi: Fix typo in previous change.
1063 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
1067 2006-02-27 Zack Weinberg <zackw@panix.com>
1069 * rtl.def (define_constraint, define_register_constraint)
1070 (define_memory_constraint, define_address_constraint): New MD forms.
1071 * gensupport.c (process_rtx): Put define_constraint etc on the
1073 * genpreds.c (process_define_predicate): Adjust comment. Validate
1074 the name, and call validate_exp to validate the expression.
1075 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1076 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1077 all callers changed.
1078 (validate_exp, needs_variable, struct constraint_data)
1079 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1080 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1081 (const_dbl_constraints, constraint_max_namelen)
1082 (have_register_constraints, have_memory_constraints)
1083 (have_address_constraints, have_address_constraints)
1084 (have_extra_constraints, have_const_int_constraints)
1085 (have_const_dbl_constraints, mangle, add_constraint)
1086 (process_define_constraint, process_define_register_constraint)
1087 (write_enum_constraint_num, write_lookup_constraint)
1088 (write_insn_constraint_len, write_regclass_for_constraint)
1089 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1090 (write_insn_extra_memory_constraint)
1091 (write_insn_extra_address_constraint)
1092 (write_satisfies_constraint_fns): New.
1093 (write_tm_preds_h): If we have new-style constraint definitions,
1094 prototype the functions generated from them, and define the
1095 old constraint interface (still used by generic code) in terms of
1097 (write_insn_preds_c): If we have new-style constraint definitions,
1098 generate all relevant functions from those definitions.
1099 (main): Handle define_constraint etc.
1100 * genoutput.c (struct constraint_data, indep_constraints)
1101 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1102 (mdep_constraint_len): New data structures and functions, defined
1103 #ifdef USE_MD_CONSTRAINTS.
1104 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1105 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1106 use new logic to validate operand constraints against constraint
1108 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1110 * defaults.h: If none of the old-style constraint macros are
1111 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1112 old-style macros; and poison REG_CLASS_FROM_LETTER,
1113 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1115 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1116 * doc/md.texi: Document new constraint-definition mechanism and the
1117 C interface it provides. Remove references to old mechanism
1118 elsewhere in the document.
1119 (Machine Constraints): Use pathnames relative to gcc directory,
1120 i.e. config/ARCH/FILE. Change i386 section to refer to
1121 config/i386/predicates.md; update that section to match docstrings.
1122 * doc/tm.texi: Move all documentation of the old constraint-
1123 definition macros to their own section, clearly mark as obsolete.
1125 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1126 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1128 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1129 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1130 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1132 (splits and peepholes): Use satisfies_constraint_*.
1133 * config/i386/i386.c (memory_address_length)
1134 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1136 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1138 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1139 scalar operation to be put back into the loop.
1141 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1144 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1145 (extract_cie_info): Handle S flag in augmentation string.
1146 (execute_cfa_program): If context->signal_frame, execute also
1147 fs->pc == context->ra instructions.
1148 (uw_frame_state_for): If context->signal_frame, don't subtract one
1149 from context->ra to find FDE.
1150 (uw_update_context_1): Set context->signal_frame to
1152 (_Unwind_GetIPInfo): New function.
1153 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1154 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1156 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1157 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1158 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1159 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1160 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1161 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1162 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1163 x86_64_fallback_frame_state): Set fs->signal_frame.
1164 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1165 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1166 (frob_update_context): Likewise. Workaround missing S flag in
1167 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1168 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1169 Remove the psw_addr + 1 hack.
1171 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1173 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1174 with aggregates here.
1175 (find_func_aliases): Remove code for &<aggregate> from here.
1177 2006-02-26 Roger Sayle <roger@eyesopen.com>
1179 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1180 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1181 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1184 2006-02-26 Roger Sayle <roger@eyesopen.com>
1187 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1189 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1191 * opts.c (decode_options): Do not handle flag_strength_reduce.
1192 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1193 and OPT_fstrength_reduce.
1194 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1195 flag_prefetch_loop_arrays for being nonzero.
1196 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1198 (fprefetch-loop-arrays-rtl): Removed.
1199 (flag_prefetch_loop_arrays): Do not specify the value.
1201 * doc/passes.texi: Update documentation of loop optimizer
1203 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1204 -frerun-loop-opt): Remove.
1206 2006-02-26 Richard Guenther <rguenther@suse.de>
1208 PR tree-optimization/26421
1209 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1210 in function calls that are ADDR_EXPRs as using the whole structure.
1212 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1214 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1215 * tree-pass.h (pass_loop_optimize): Remove.
1216 * passes.c (pass_loop_optimize): Never run it.
1217 * toplev.c (backend_init): Don't call init_loop.
1218 * opts.c (flag_loop_optimize_set): Remove.
1219 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1220 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1221 the old RTL loop optimizer when profiling enabled.
1222 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1223 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1224 pre-headers for the sake of the old RTL loop optimizer.
1225 * Makefile.in: Remove all references to loop.o.
1227 * doc/invoke.texi: Remove all references to -floop-optimize
1228 and -frerun-loop-opt.
1230 2006-02-26 Zack Weinberg <zackw@panix.com>
1232 * doc/md.texi (Machine Constraints): Refer to all files with paths
1233 relative to gcc directory (i.e. config/CPU/file). Add missing
1234 @table @code ... @end table to M32C subsection.
1236 2006-02-26 Roger Sayle <roger@eyesopen.com>
1238 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1240 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1242 2006-02-26 Roger Sayle <roger@eyesopen.com>
1243 James A. Morrison <phython@gcc.gnu.org>
1246 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1247 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1248 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1249 signedness of the shift operation.
1251 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1253 PR tree-optimization/26359
1254 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1256 2006-02-25 Roger Sayle <roger@eyesopen.com>
1258 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1259 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1260 as X == 0, and some symmetry related transformations.
1261 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1263 2006-02-25 Roger Sayle <roger@eyesopen.com>
1266 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1267 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1268 symmetry related transformations. Fold (X^C1) == C2 as
1271 2006-02-25 Juergen Weigert <jw@suse.de>
1272 Richard Guenther <rguenther@suse.de>
1274 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1276 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1278 * combine.c (gen_lowpart_or_truncate): Call
1279 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1281 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1283 * doc/invoke.texi: Move -fopenmp description to "Options for
1285 Remove reference to -lgomp.
1287 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1289 * doc/install.texi: Require GNU tar version 1.14.
1291 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1293 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1294 * doc/invoke.texi (C++ Dialect Options): Document
1295 -fno-use-cxa-get-exception-ptr.
1296 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1297 * configure: Regenerate.
1298 * c.opt (fuse-cxa-get-exception-ptr): New.
1299 * c-opts.c (c_common_handle_option): Handle
1300 OPT_fuse_cxa_get_exception_ptr.
1301 * c-common.c (flag_use_cxa_atexit): Update documentation.
1302 (flag_use_cxa_get_exception_ptr): New.
1303 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1304 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1306 (C_COMMON_OVERRIDE_OPTIONS): New.
1308 2006-02-24 Roger Sayle <roger@eyesopen.com>
1311 * combine.c (try_combine): Explicitly check whether GET_CODE is
1312 a SET or a CLOBBER, instead on checking that it isn't a USE.
1314 2006-02-24 Roger Sayle <roger@eyesopen.com>
1316 * fold-const.c (fold_comparison): New subroutine of fold_binary
1317 containing transformations common to both the equality and
1318 ordering relational operators, factored out of fold_binary.
1319 (fold_binary): Separate out the equality operators (EQ_EXPR
1320 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1321 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1322 transformations common to both.
1323 (fold_div_compare): Fix latent bugs in the previously unreachable
1324 LT_EXPR and GE_EXPR cases.
1326 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1328 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1329 decl libname for clog to __clog on AIX.
1331 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1333 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1336 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1337 output traceback table for thunks. Localise rs6000_stack_info call.
1339 2006-02-23 Roger Sayle <roger@eyesopen.com>
1340 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1342 * gthr-posix.h (__gthrw): Fix typo in comment.
1344 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1346 * doc/cpp.texi (Character sets): Document that we do support
1347 input files to be in any character set.
1349 2006-02-23 Jeff Law <law@redhat.com>
1351 * tree.h (PHI_ARG_NONZERO): Remove.
1352 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1353 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1354 node to the new node.
1356 PR tree-optimization/26425
1357 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1358 min/max, then assume its varying.
1360 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1362 PR rtl-optimization/26316
1363 * rtlanal.c (enum may_trap_p_flags): New.
1364 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1365 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1366 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1367 (may_trap_after_code_motion_p): New function.
1368 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1369 (find_invariant_insn): Use may_trap_after_code_motion_p.
1370 * rtl.h (may_trap_after_code_motion_p): Declare.
1372 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1374 * emit-rtl.c (immed_double_const): Cleanup.
1376 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1378 Fix PR tree-optimization/26376
1379 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1382 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1385 * gimplify.c (omp_add_variable): Guard variable size decl test with
1386 DECL_SIZE (decl) check.
1388 2006-02-23 Richard Guenther <rguenther@suse.de>
1391 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1392 like aggregate types.
1394 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1396 * configure.ac: Add --with{,out}-long-double-128 configure option.
1397 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1398 * configure: Rebuilt.
1399 * config.in: Rebuilt.
1400 * doc/install.texi (Options specification): Document
1401 --with-long-double-128.
1403 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1404 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1405 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1406 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1408 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1410 * config/s390/s390.c (override_options): Handle
1411 TARGET_DEFAULT_LONG_DOUBLE_128.
1413 * config/alpha/alpha.c (override_options): Handle
1414 TARGET_DEFAULT_LONG_DOUBLE_128.
1416 * config/sparc/sparc.c (sparc_override_options): Handle
1417 TARGET_DEFAULT_LONG_DOUBLE_128.
1419 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1421 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1422 (real-install-headers-tar, real-install-headers-cpio)
1423 (real-install-headers-cp): New targets.
1425 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1427 * tree.h (variable_section): Delete.
1428 * varasm.c (variable_section): Delete.
1430 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1432 * install.texi: Add notes on install.texi2html.
1433 (Building in parallel): Do not use footnotes.
1435 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1438 * doc/install.texi (Configuration): Document --disable-libgomp.
1440 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1442 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1444 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1446 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1447 (vec_extractv2df_0_sse): New.
1449 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1451 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1452 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1453 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1454 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1455 to the result of the expression.
1456 (def_cfa_1): Adjust.
1457 (frame_pointer_cfa_offset): Rename to...
1458 (frame_pointer_fb_offset): ... this. Adjust all uses.
1459 (convert_cfa_to_loc_list): Rename to...
1460 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1461 Pass it on to build_cfa_loc.
1462 (compute_frame_pointer_to_cfa_displacement): Rename to...
1463 (compute_frame_pointer_to_fb_displacement): ... this. New
1464 offset parameter. Use it in computation.
1465 (gen_subprogram_die): Compute cfa_fb_offset with the new
1466 macro, and use it to compute the fb loc list and the
1469 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1471 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1472 replaced with register_operand.
1473 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1474 non-DREG is expensive.
1475 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1476 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1479 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1481 * doc/install.texi2html: Use set -e.
1483 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1485 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1486 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1487 * doc/invoke.texi (-fshared-data): Delete.
1488 * common.opt (fshared-data): Delete.
1489 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1490 (assemble_static_space): Remove #if 0 code.
1491 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1492 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1493 * config/cris/cris.h: Remove FIXME.
1495 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1497 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1500 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1503 * combine.c (simplify_shift_const_1): Disable nested shifts
1504 optimization for vector shifts.
1506 2006-02-20 Roger Sayle <roger@eyesopen.com>
1508 PR tree-optimization/26361
1509 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1510 of unsigned integer types.
1512 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1514 * tree-chrec.c (eq_evolutions_p): New.
1515 * tree-chrec.h (eq_evolutions_p): Declared.
1516 * tree-data-ref.c: Fix formatting.
1517 (datadep_stats, dependence_stats): New.
1519 (print_direction_vector): New.
1520 (dump_data_dependence_relation): Use print_direction_vector.
1521 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1522 (compute_subscript_distance): Static.
1523 (initialize_data_dependence_relation): Static. Get the number
1524 of loops surrounding the references from the callers, and initialize
1525 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1526 base_object_differ_p analyzers.
1527 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1528 compute_overlap_steps_for_affine_1_2,
1529 analyze_subscript_affine_affine): Count the classified dependences.
1530 Print a message when a test failed.
1531 (can_use_analyze_subscript_affine_affine): New.
1532 (analyze_siv_subscript): Compute the data dependences on symbolic
1533 scevs that verify can_use_analyze_subscript_affine_affine.
1534 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1535 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1536 Handle symbolic scevs.
1537 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1539 (subscript_dependence_tester): Moved...
1540 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1541 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1542 DDR_SIZE_VECT instead of getting it in parameter.
1543 (subscript_dependence_tester): ... here. Take as a parameter
1544 loop_nest_depth. Call build_classic_dist_vector and
1545 build_classic_dir_vector.
1546 (compute_affine_dependence): Update subscript_dependence_tester
1547 parameters. Update datadep_stats counters. Call
1548 compute_subscript_distance.
1549 (compute_self_dependence): Save the dist and dir vectors. Call
1550 compute_subscript_distance.
1551 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1552 (compute_all_dependences): Reorder parameters as they were before
1553 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1554 compute_subscript_distance. Update the use of
1555 compute_affine_dependence and initialize_data_dependence_relation.
1556 (find_data_references_in_loop): Handle COMPONENT_REF.
1557 (compute_data_dependences_for_loop): Initialize dependence_stats.
1558 Don't call build_classic_dist_vector and build_classic_dir_vector.
1559 Update the parameters of initialize_data_dependence_relation and
1560 compute_all_dependences. Print the statistics from datadep_stats.
1561 (analyze_all_data_dependences): Static. Not used until the pass for
1562 checking the data dependences is contributed.
1563 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1564 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1565 (initialize_data_dependence_relation, compute_affine_dependence,
1566 analyze_all_data_dependences, compute_subscript_distance): Removed.
1567 (print_direction_vector): New.
1568 * lambda.h (gcd): ... here.
1569 (lambda_vector_gcd): Moved here from gcd_vector.
1570 * lambda-code.c (gcd, gcd_vector): Removed.
1571 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1572 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1574 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1576 * ipa-type-escape.c: Tidy some comments and white space.
1577 * tree-ssa-operands.c: Likewise.
1579 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1582 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1583 (dump_decl_name): Do not walk the decl tree chains.
1584 * tree-pass.h (TDF_CHAIN): Remove.
1586 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1588 * Makefile.in (C): Remove
1590 (.PHONY): Remove C and PROTO
1592 2006-02-20 Roger Sayle <roger@eyesopen.com>
1595 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1596 deprecated CHAR_TYPE tree code.
1598 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1600 * configure.ac (target_list): Add install-info, dvi, html.
1601 * configure: Regenerate.
1603 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1604 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1605 treelang/Make-lang.in: Do not use double-colon rules.
1607 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1609 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1610 (TMT_USED_ALONE): New macro.
1611 * tree-pass.h (PROP_tmt_usage): New property.
1612 (TODO_update_tmt_usage): New todo.
1613 * tree-ssa-alias.c (updating_used_alone): New variable.
1614 (recalculate_used_alone): New function.
1615 (compute_may_aliases): Set updating_used_alone, call
1616 recalculate_used_alone.
1617 * tree-sra.c (pass_sra): Note that this pass destroys
1618 PROP_tmt_usage, and add TODO_update_tmt_usage.
1619 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1620 * tree-flow.h (updating_used_alone): Prototype.
1621 (recalculate_used_alone): Ditto.
1622 * passes.c (execute_todo): Add code to set updating_used_alone,
1623 and call recalculate.
1624 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1625 for clobber if used alone, and add assert to verify used_alone
1628 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1630 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1631 for non tls symbols added.
1632 (legitimize_address): Do nothing for PLUS expressions if one of the
1633 addends is a tls symbol reference.
1635 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1639 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1641 * Makefile.in (BOOTSTRAPPING): New.
1642 (quickstrap): New definition if BOOTSTRAPPING=yes.
1644 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1645 * configure.ac: Substitute all_selected_languages with the languages
1646 that were configured. For all the other variables except
1647 lang_specs_files, include all the languages in the tree.
1648 * configure: Regenerate.
1650 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1651 if there is one. Run the commands to run fixincludes in the same
1654 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1655 * doc/install.texi: Document exact conventions for searching target tools.
1656 Document --with-build-time-tools. Document toplevel bootstrap. Document
1657 something more about building an Ada cross-compiler. Don't list GNU Make
1658 requirements which affect all platforms.
1660 2006-02-19 Roger Sayle <roger@eyesopen.com>
1663 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1664 only equivalent if the have both the same mode and precision.
1666 2006-02-20 Ben Elliston <bje@au.ibm.com>
1668 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1670 2006-02-19 Roger Sayle <roger@eyesopen.com>
1671 Steven Bosscher <stevenb.gcc@gmail.com>
1673 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1674 constant pool references to identify stack mode constants.
1675 * rtlanal.c (constant_pool_constant_p): New predicate to check
1676 whether operand is a floating point constant in the pool.
1677 * rtl.h (constant_pool_constant_p): Prototype here.
1678 * loop.c (scan_loop): Avoid hoisting constants from the constant
1679 pool on STACK_REGS targets.
1680 (load_mems): Likewise.
1681 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1682 loads into x87 registers expensive in terms of register pressure.
1684 2006-02-19 Roger Sayle <roger@eyesopen.com>
1686 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1687 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1689 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1691 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1692 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1694 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1696 * doc/invoke.texi: Document -fipa-pta.
1697 * common.opt: Add ipa-pta option.
1698 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1699 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1700 (do_ds_constraint): Ditto.
1701 (get_constraint_for): Only add to referenced_vars if
1702 referenced_vars exists.
1703 (insert_into_field_list): Rewrite to do this unsorted.
1704 (insert_into_field_list_sorted): Rename old insert_into_field_list
1706 (create_function_info_for): Use insert_into_field_list_sorted.
1707 (create_variable_info_for): Rewrite so it uses unsorted version,
1708 since the field list is sorted.
1709 (intra_create_variable_infos): Only add to referenced_vars if
1710 referenced_vars exists.
1711 (ipa_pta_execute): Init heapvars, and delete when done.
1712 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1714 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1716 * doc/install.texi: Add missing `@samp'.
1718 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1720 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1723 2006-02-18 Mark Wielaard <mark@klomp.org>
1725 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1726 who added new 4.1 features, bug fixes and integration support.
1728 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1731 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1734 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1736 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1737 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1738 (copy_insn_1): Likewise. Don't copy each field individually.
1740 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1742 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1743 * rtl.c (rtx_size): Rename variable to...
1744 (rtx_code_size): ...this.
1745 (rtx_size): New function.
1746 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1747 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1749 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1750 * rtl.h (rtx_code_size): New variable.
1751 (rtx_size): Change from a variable to a function.
1752 (RTX_SIZE): Rename to...
1753 (RTX_CODE_SIZE): ...this.
1756 PR tree-optimization/17106
1757 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1758 (Anchored Addresses): New section.
1759 * doc/invoke.texi (-fsection-anchors): Document.
1760 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1761 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1762 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1763 * hooks.c (hook_bool_mode_rtx_false): New function.
1764 * hooks.h (hook_bool_mode_rtx_false): Declare.
1765 * gengtype.c (create_optional_field): New function.
1766 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1767 SYMBOL_REF_IN_BLOCK_P is true.
1768 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1769 (min_anchor_offset, max_anchor_offset): Likewise.
1770 (use_anchors_for_symbol_p): New hook.
1771 * toplev.c (compile_file): Call output_object_blocks.
1772 (target_supports_section_anchors_p): New function.
1773 (process_options): Check that -fsection-anchors is only used on
1774 targets that support it and when -funit-at-a-time is in effect.
1775 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1776 if the decl doesn't have one.
1777 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1778 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1779 of force_const_mem through use_anchored_address.
1780 (expand_expr_constant): New function.
1781 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1782 calling expand_expr for INDIRECT_REF.
1783 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1784 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1785 * expr.h (use_anchored_address): Declare.
1786 * loop-unroll.c: Don't declare rtx vectors here.
1787 * explow.c: Include output.h.
1788 (validize_mem): Call use_anchored_address.
1789 (use_anchored_address): New function.
1790 * common.opt (-fsection-anchors): New switch.
1791 * varasm.c (object_block_htab, anchor_labelno): New variables.
1792 (hash_section, object_block_entry_eq, object_block_entry_hash)
1793 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1794 (use_blocks_for_decl_p, change_symbol_section): New functions.
1795 (get_variable_section): New function, split out from assemble_variable.
1796 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1797 use_blocks_for_decl_p say so. Use change_symbol_section if the
1798 symbol has already been created.
1799 (assemble_variable_contents): New function, split out from...
1800 (assemble_variable): ...here. Don't output any code for
1801 block symbols; just pass them to place_block_symbol.
1802 Use get_variable_section and assemble_variable_contents.
1803 (get_constant_alignment, get_constant_section, get_constant_size): New
1804 functions, split from output_constant_def_contents.
1805 (build_constant_desc): Create a block symbol if use_object_blocks_p
1806 says so. Or into SYMBOL_REF_FLAGS.
1807 (assemble_constant_contents): New function, split from...
1808 (output_constant_def_contents): ...here. Don't output any code
1809 for block symbols; just pass them to place_section_symbol.
1810 Use get_constant_section and get_constant_alignment.
1811 (force_const_mem): Create a block symbol if use_object_blocks_p and
1812 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1813 (output_constant_pool_1): Add an explicit alignment argument.
1814 Don't switch sections here.
1815 (output_constant_pool): Adjust call to output_constant_pool_1.
1816 Switch sections here instead. Don't output anything for block symbols;
1817 just pass them to place_block_symbol.
1818 (init_varasm_once): Initialize object_block_htab.
1819 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1820 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1821 (place_block_symbol, get_section_anchor, output_object_block)
1822 (output_object_block_htab, output_object_blocks): New functions.
1823 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1824 (TARGET_ASM_OUT): Include it.
1825 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1826 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1827 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1828 (TARGET_INITIALIZER): Include them.
1829 * rtl.c (rtl_check_failed_block_symbol): New function.
1830 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1831 (block_symbol, object_block): New structures.
1832 (rtx_def): Add a block_symbol field to the union.
1833 (BLOCK_SYMBOL_CHECK): New macro.
1834 (rtl_check_failed_block_symbol): Declare.
1835 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1836 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1837 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1838 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1839 * output.h (output_section_symbols): Declare.
1840 (object_block): Name structure.
1841 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1842 (default_use_anchors_for_symbol_p): Declare.
1843 * Makefile.in (RTL_BASE_H): Add vec.h.
1844 (explow.o): Depend on output.h.
1845 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1846 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1847 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1848 (rs6000_use_blocks_for_constant_p): New function.
1850 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1852 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1854 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1857 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1860 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1862 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1866 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1869 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1870 instead of DECL_REGISTER.
1872 2006-02-18 Olivier Hainque <hainque@adacore.com>
1875 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1877 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1880 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1881 * opth-gen.awk: Handle Var and InverseMask together.
1882 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1883 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1884 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1885 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1887 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1888 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1889 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1890 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1891 LINUX_DYNAMIC_LINKER): Define.
1892 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1893 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1895 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1896 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1897 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1898 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1899 (TARGET_C99_FUNCTIONS): Don't define.
1900 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1901 GLIBC_DYNAMIC_LINKER.
1902 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1903 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1904 GLIBC_DYNAMIC_LINKER64): Define.
1905 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1906 LINUX_DYNAMIC_LINKER64.
1907 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1908 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1909 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1910 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1911 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1912 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1913 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1914 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1915 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1916 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1917 and LINUX_DYNAMIC_LINKER32.
1918 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1919 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1920 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1921 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1922 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1924 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1925 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1926 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1927 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1928 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1929 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1930 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1931 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1932 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1933 LINUX_DYNAMIC_LINKER): Define.
1934 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1935 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1936 GLIBC_DYNAMIC_LINKER64): Define.
1937 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1938 LINUX_DYNAMIC_LINKER64.
1939 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1940 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1941 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1942 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1943 LINUX_DYNAMIC_LINKER): Define.
1944 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1945 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1946 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1947 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1948 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1949 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1950 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1951 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1952 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1953 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1954 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1955 * doc/invoke.texi (-muclibc): Remove caveat about supported
1958 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1960 * doc/cpp.texi (__TIMESTAMP__): Document.
1962 2006-02-17 Roger Sayle <roger@eyesopen.com>
1965 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1966 C is one less than the width of X (and related transformations).
1967 * simplify-rtx.c (simplify_unary_operation_1): Transform
1968 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1969 depending on STORE_FLAG_VALUE, were C is one less then the
1972 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1974 Fix PR tree-optimization/26341
1975 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1976 about NAME_MEMORY_TAG's.
1978 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1981 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1982 with hardware float support, and software float support. Add fcpy
1983 alternative to hardware patterns. Add alternatives to copy between
1984 general and floating-point registers to the 32-bit pattern.
1985 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1986 secondary reload to load a QI or HI mode constant into a floating
1988 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1989 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1991 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1994 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1996 (load_macho_picbase_di): Likewise.
1998 2006-02-16 Jeff Law <law@redhat.com>
2000 * tree-vrp.c (set_value_range_to_nonnegative): New function.
2001 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
2002 (ssa_name_nonzero_p): Likewise.
2003 (get_value_range): Return NULL if VRP is not running.
2004 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
2005 VRP routines do not discover a range.
2006 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
2007 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
2008 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
2009 (tree_expr_nonnegative_p): Similarly.
2010 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
2011 (restore_nonzero_vars_to_original_value): Remove.
2012 (unsafe_associative_fp_binop): Remove.
2013 (tree_ssa_dominator_optimize): Remove initialization and
2014 finalization of nonzero_vars and nonzero_vars_stack.
2015 (dom_opt_initialize_block): No longer push marker on
2017 (dom_opt_finalize_block): No longer call
2018 restore_nonzero_vars_to_original_value.
2019 (record_equivalences_from_phis): No longer look for
2020 nonzero PHI arguments.
2021 (cprop_into_successor_phis): No longer propagate nonzero
2022 property into PHI arguments. Lose unused argument. Caller
2024 (record_equivalences_from_stmt): No longer record nonzero
2025 values for SSA_NAMEs.
2026 (lookup_avail_expr): No longer use nonzero_vars.
2028 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
2029 for sizetype when sizetype is unsigned.
2031 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
2033 PR rtl-optimization/25603
2034 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
2035 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
2036 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
2037 with new meaning of SETS.
2039 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
2044 * config/linux.opt: New file.
2045 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2046 LINUX_DYNAMIC_LINKER): Define.
2047 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
2048 * config.gcc (*-*-linux*): Define extra_options.
2049 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
2050 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
2051 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
2052 GLIBC_DYNAMIC_LINKER.
2053 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
2054 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2055 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2056 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2057 * doc/invoke.texi (GNU/Linux Options): New section.
2059 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2061 * config/sparc/sparc.md (setjmp): Rewrite.
2062 (setjmp_32): Delete.
2063 (setjmp_64): Likewise.
2065 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
2067 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
2070 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2072 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2075 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2077 PR rtl-optimization/26296
2078 * Makefile.in (loop-invariant.c): Add except.h dependency.
2079 * loop-invariant.c: Include except.h.
2080 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2082 2005-02-16 Paul Brook <paul@codesourcery.com>
2084 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2087 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2089 PR rtl-optimization/25636
2090 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2091 when deciding whether an insn is an initializing insn.
2093 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2095 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2096 (tree_code_size): Ditto.
2097 * tree.h (struct tree_memory_tag): Remove parent_var.
2098 (struct tree_struct_field_tag): New.
2101 (union tree_node): Add sft member.
2102 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2104 (create_sft): Add size and offset argument, set SFT_OFFSET and
2106 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2107 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2108 * tree-flow-inline.h (get_subvar_at): Update for
2109 SFT_OFFSET/SFT_SIZE.
2110 (var_can_have_subvars): Ditto.
2111 (overlap_subvar): Ditto.
2112 * print-tree.c (print_node): Print out interesting things for
2114 * tree-flow.h (struct subvar): Remove offset and size members.
2115 * tree-ssa-operands.c (get_expr_operands): Update for
2116 get_indirect_ref_operands changes.
2117 (get_indirect_ref_operands): Call add_virtual_operand instead of
2118 add_stmt_operand. Only recurse on base var if requested.
2119 (access_can_touch_variable): New function.
2120 (add_stmt_operand): Split virtual operand handling into ...
2121 (add_virtual_operand): Here. Add offset, size, and for_clobber
2122 arguments. Prune alias sets.
2123 (add_call_clobber_ops): Call add_virtual_operand.
2125 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2128 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2130 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2131 than TREE_CODE as index into omp_clause_num_ops array.
2133 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2135 PR rtl-optimization/26184
2136 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2138 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2139 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2140 must_precede, must_follow and tobe_scheduled.
2143 * opts.c (common_handle_option): Free new_option pointer.
2144 * df-core.c (df_analyze): Free postorder pointer.
2146 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2148 * Makefile.in: Fix the examples about the use of stamps
2150 2006-02-15 Michael Matz <matz@suse.de>
2154 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2155 influenced by maximum_field_alignment or DECL_PACKED.
2156 (update_alignment_for_field): Ditto.
2157 (place_field): Ditto.
2158 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2161 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2163 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2164 (debug_flow_info): Pass it.
2165 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2166 * bb-reorder.c (reorder_basic_blocks): Likewise.
2167 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2168 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2169 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2170 * gcse.c (gcse_main, bypass_jumps): Likewise.
2171 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2172 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2173 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2174 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2175 * rtl.h (dump_flow_info): Adjust prototype.
2176 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2177 * var-tracking.c (variable_tracking_main): Likewise.
2178 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2179 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2182 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2184 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2187 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2189 PR tree-optimization/26209
2190 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2191 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2193 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2195 2006-02-14 Roger Sayle <roger@eyesopen.com>
2198 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2199 (X,Y) and the corresponding symmetry related transformations.
2200 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2201 (X,Y) and its symmetry related transformations.
2203 2006-02-14 Roger Sayle <roger@eyesopen.com>
2205 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2208 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2210 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2212 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2215 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2216 support COMDAT group.
2217 * configure: Regenerate.
2219 2006-02-14 Roger Sayle <roger@eyesopen.com>
2224 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2226 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2228 Fix PR tree-optimization/26260
2230 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2232 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2233 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2234 * tree-ssa-structalias.c (create_variable_info_for): Use
2235 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2237 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2239 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2241 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2242 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2243 of the ending condition.
2244 * tree-ssa-loop-manip.c: Include params.h.
2245 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2246 tree_unroll_loop): New functions.
2247 * tree-pass.h (pass_loop_prefetch): Declare.
2248 * loop.c (rest_of_handle_loop_optimize): Test for
2249 -fprefetch-loop-arrays-rtl.
2250 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2251 * timevar.def (TV_TREE_PREFETCH): New timevar.
2252 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2253 pass_loop_prefetch): New.
2254 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2255 (cleanup_tree_cfg_loop): Call scev_reset.
2256 * common.opt (fprefetch-loop-arrays-rtl): Add.
2257 * tree-ssa-loop-prefetch.c: New file.
2258 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2259 (new_temp_expr_table): Initialize expr_vars.
2260 (free_temp_expr_table): Cleanup expr_vars.
2261 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2262 expressions from being merged into one.
2263 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2264 (struct tree_niter_desc): Add control, bound and cmp fields.
2265 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2267 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2268 (tree-cfgcleanup.o): Add SCEV_H dependency.
2269 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2270 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2272 2006-02-14 Richard Guenther <rguenther@suse.de>
2274 PR tree-optimization/26258
2275 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2276 in PHI argument processing.
2278 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2280 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2281 new expression in the requested machine mode.
2283 2006-02-13 Roger Sayle <roger@eyesopen.com>
2285 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2286 directly, instead let do_compare_rtx_and_jump handle this for us.
2287 * expr.c (expand_expr_real_1): Likewise.
2288 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2289 before do_jump_by_parts_greater.
2290 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2291 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2293 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2295 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2297 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2299 PR rtl-optimization/26235
2300 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2301 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2304 2006-02-13 Jeff Law <law@redhat.com>
2306 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2309 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2312 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2313 twice if decl is a builtin. When trying again, call get_callee_fndecl
2314 first to verify it is still a builtin.
2316 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2318 * dwarf2out.c (base_type_die): Don't add AT_name here.
2319 (subrange_type_die): Don't add AT_name here.
2320 (modified_type_die): Rearrange code flow. Do add AT_name here.
2322 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2324 PR rtl-optimization/26247
2325 PR rtl-optimization/26248
2326 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2328 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2330 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2331 * config/fixtfdi.c: Likewise.
2332 * config/fixunstfdi.c: Likewise.
2333 * config/floatditf.c: Likewise.
2335 2006-02-13 Roger Sayle <roger@eyesopen.com>
2338 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2339 into (X,C2) if C1 is a subset of the bits of C2. Transform
2340 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2342 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2344 2006-02-13 Josh Conner <jconner@apple.com>
2347 * varasm.c (function_section): Check for section name before
2348 calling select_section on targets that define
2349 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2350 unlikely_text_section instead of hot_function_section if
2351 first_function_block_is_cold.
2353 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2356 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2358 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2360 PR rtl-optimization/26222
2361 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2362 after tree->rtl expansion.
2363 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2364 before passing it to emit_move_insn.
2366 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2368 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2370 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2371 Clarify documentation.
2372 * c-common.h (warn_write_strings): Remove.
2373 * c-common.c (warn_write_strings): Likewise.
2374 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2377 2006-02-12 Roger Sayle <roger@eyesopen.com>
2380 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2381 (do_jump_parts_zero_rtx): New function renamed from
2382 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2383 (do_jump_parts_equality_rtx): New function split out from
2384 do_jump_parts_equality. Old implementation renamed as above.
2385 Call do_jump_parts_zero_rtx if either operand is zero.
2386 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2387 do all of the heavy lifting.
2388 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2389 calling either do_jump_by_parts_greater_rtx or
2390 do_jump_by_parts_equality_rtx.
2391 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2392 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2393 moved to do_compare_rtx_and_jump, call it directly.
2394 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2395 mode argument. Call do_compare_rtx_and_jump.
2396 (emit_case_nodes): Update calls to do_jump_if_equal.
2398 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2400 PR rtl-optimization/26225
2401 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2403 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2405 PR rtl-optimization/26232
2406 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2408 2006-02-11 Jason Merrill <jason@redhat.com>
2411 * tree-inline.c (declare_return_variable): Just don't use the
2412 modify target if it's a gimple complex reg and the return slot
2415 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2417 * doc/contrib.texi: Update my entry.
2419 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2421 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2423 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2425 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2428 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2430 * doc/invoke.texi (-floop-optimize2): Removed.
2431 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2432 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2433 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2434 * common.opt (floop-optimize2): Removed.
2435 (fmove-loop-invariants): Enabled by default.
2437 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2439 * tree-if-conv.c (combine_blocks): Free the result of
2440 get_loop_exit_edges.
2442 2006-02-10 Jeff Law <law@redhat.com>
2444 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2446 PR tree-optimization/26213
2447 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2448 loop trying to follow SSA_NAME_VALUE chains.
2450 2006-02-10 Richard Guenther <rguenther@suse.de>
2452 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2453 deal with structures that end in implicitly variable sized arrays.
2455 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2457 PR rtl-optimization/24762
2458 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2461 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2463 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2464 (struct ivopts_data): Add regs_used field.
2465 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2466 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2467 instead of loop_data->regs_used;
2468 (free_loop_data): Do not free aux fields for loops.
2469 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2470 and tree_ssa_iv_optimize_finalize.
2472 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2474 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2476 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2479 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2480 computing the effective result type.
2482 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2485 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2486 (tree_overlaps_hard_reg_set): Declare.
2487 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2488 type and signature to match function type expected by walk_tree.
2489 (tree_overlaps_hard_reg_set): New function.
2490 (decl_conflicts_with_clobbers_p): Rename to:
2491 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2492 Use tree_overlaps_hard_reg_set. Changed caller.
2493 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2494 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2495 * cris.c (cris_md_asm_clobbers): Likewise.
2497 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2499 * reload1.c (emit_input_reload_insns): Delete code that tries to
2500 inherit using find_equiv_reg.
2502 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2504 * c-common.h (flag_const_strings): Don't declare.
2505 * c-common.c (flag_const_strings): Remove.
2506 * c.opt (fconst_strings): Remove.
2507 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2508 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2509 (c_common_init_options): Don't set flag_const_strings.
2510 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2512 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2514 * arm.md (tlobits_cbranch): New pattern.
2515 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2516 testing a single bit.
2518 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2521 * tree-ssa-pre.c (create_component_ref_by_pieces):
2522 Handle RETURN_DECL like VAR_DECL.
2524 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2527 * fold-const.c (fold_indirect_ref_1): Fold
2528 "*(foo *)&complexfoo" to "__real__ complexfoo"
2529 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2531 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2533 * tree-flow-inline.h (var_can_have_subvars):
2534 Volatile variables should not have subvariables.
2536 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2539 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2540 multiplying unsigned values.
2543 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2545 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2547 2006-02-08 Jason Merrill <jason@redhat.com>
2550 * tree.def: Elaborate on difference from MODIFY_EXPR.
2551 * doc/c-tree.texi (INIT_EXPR): Likewise.
2552 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2553 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2554 (gimplify_target_expr): Likewise.
2555 (gimplify_cond_expr): Remove target handling.
2556 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2557 (gimplify_expr): Clobber it here.
2558 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2559 Do return slot optimization if we have an INIT_EXPR.
2562 * tree-inline.c (declare_return_variable): Also clear
2563 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2566 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2569 * gimplify.c (gimplify_one_sizepos): Fix typo.
2571 2006-02-08 Jeff Law <law@redhat.com>
2573 PR tree-optimization/21417
2574 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2575 across a backedge if the control statement at the end of the
2576 block is data dependent on other statements in the same block.
2577 (record_temporary_equivalences_from_stmts): Remove over-conservative
2578 test for threading across backedges.
2580 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2581 control statement, handle all three special cases in the same
2582 manner as they all have the same desired solution. No longer
2583 special case edge flag updating when the post dominator is
2586 2006-02-08 Roger Sayle <roger@eyesopen.com>
2588 * tree.def (CHAR_TYPE): Remove.
2589 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2590 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2591 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2592 (gen_string_type_die): Delete unreachable function.
2594 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2595 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2596 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2597 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2598 * builtins.c (type_to_class): Likewise.
2599 * fold-const.c (fold_convert, build_range_check,
2600 merge_ranges): Likewise.
2601 * expr.c (count_type_elements): Likewise.
2602 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2603 * stor-layout.c (layout_type): Likewise.
2604 * ipa-type-escape.c (type_to_consider): Likewise.
2605 * gimplify.c (omp_firstprivatize_type_sizes,
2606 gimplify_type_sizes): Likewise.
2607 * explow.c (promote_mode): Likewise.
2608 * tree-sra.c (is_sra_scalar_type): Likewise.
2609 * varasm.c (output_constant): Likewise.
2610 * tree-inline.c (remap_type_1): Likewise.
2611 * convert.c (convert_to_pointer, convert_to_real,
2612 convert_to_integer, convert_to_complex): Likewise.
2614 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2616 * df-scan.c (df_def_record_1): A set destination may
2617 be a parallel regardless of mode.
2619 2006-02-08 Roger Sayle <roger@eyesopen.com>
2622 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2623 * config/mips/_tilib.c: Remove.
2624 * config/fixtfdi.c: New libgcc source file.
2625 * config/fixunstfdi.c: New source file.
2626 * config/floatditf.c: New source file.
2627 * config/floatunditf.c: New souce file.
2628 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2629 files above instead of config/mips/_tilib.c.
2630 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2632 2006-02-08 Jeff Law <law@redhat.com>
2634 PR tree-optimization/26169
2635 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2638 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2640 * df.h (DF_REG_SIZE): Return the length of the initialized
2643 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2645 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2646 __muldf3): Return a correctly signed zero.
2648 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2650 * passes.c (register_one_dump_file): Accept the current properties
2651 instead of pass number. Adjust call to dump_register. Remove
2653 (register_dump_files): Now a wrapper around...
2654 (register_dump_files_1): ... this one. Do not modify the pass
2656 (next_pass_1): Cosmetic fix.
2657 (execute_todo): Keep second parameter only. Use curr_properties
2658 instead of fetching it from the pass structure. Check and set
2660 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2661 instead of fetching it from the pass structure. Fix calls to
2662 execute_todo. Update curr_properties and initialize .vcg RTL dump
2663 after running the pass. Reset last_verified.
2664 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2666 (FIRST_AUTO_NUMBERED_DUMP): New.
2667 (dump_register): Remove "num" parameter, assign it within the
2669 (get_dump_file_name): Modify template for dumps.
2670 * tree-dump.h (dump_register): Adjust prototype.
2671 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2672 (PROP_trees): Add PROP_gimple_lomp.
2673 (TODO_set_props): New.
2674 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2675 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2676 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2678 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2680 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2681 (sparc64-*-linux*): Likewise.
2682 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2683 * config/sparc/t-linux: New file.
2684 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2685 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2686 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2687 -m32 -mlong-double-128.
2689 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2690 * config/alpha/t-linux: New file.
2691 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2693 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2694 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2695 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2696 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2697 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2698 (CPP_ARCH32_SPEC): Remove.
2700 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2702 PR tree-optimization/26145
2703 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2706 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2709 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2710 >= 240000 when generating code for SOM runtime.
2711 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2712 to $$dyncall when generating code for SOM runtime..
2714 2006-02-07 Dirk Mueller <dmueller@suse.com>
2717 * doc/invoke.texi (-Wsequence-point): Update documentation
2718 that -Wsequence-point is implemented for C++ as well.
2720 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2722 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2723 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2724 (LIB_SPEC): Likewise.
2725 * doc/invoke.texi (SPARC options): Document -pthread.
2727 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2729 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2732 2006-02-07 Roger Sayle <roger@eyesopen.com>
2734 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2735 Correct comment describing BOOLEAN_TYPE.
2737 2006-02-07 Dirk Mueller <dmueller@suse.com>
2739 * c.opt: C++ frontend supports -Wdiv-by-zero.
2740 * c-opts.c (c_common_handle_option): Remove dead case.
2742 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2744 * configure.ac (TLS assembler check): Do not enable TLS by
2745 default on SPARC/Solaris before version 10.
2746 * configure: Regenerate.
2748 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2750 * doc/invoke.texi (xl-compat): Document conversion and support
2753 2006-02-07 Jeff Law <law@redhat.com>
2755 * tree-vrp.c (find_conditional_asserts): Update comments.
2756 (simplify_stmt_for_jump_threading): New.
2757 (identify_jump_threads, finalize_jump_threads): New.
2758 (vrp_finalize): Call identify_jump_threads.
2759 (execute_vrp): Call finalize_jump_threads.
2760 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2761 (vrp_element, vrp_data, vrp_element_p): Remove.
2762 (vrp_hash_elt, vrp_variables_stack): Remove.
2763 (vrp_hash, vrp_eq, record_range): Remove.
2764 (simplify_cond_and_lookup_avail_expr): Remove.
2765 (extract_range_from_cond): Remove.
2766 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2767 (simplify_stmt_for_jump_threading): New.
2768 (dom_thread_across_edge): New wrapper.
2769 (tree_ssa_dominator_optimize): No longer initialize or
2770 finalize any of the VRP datastructures. Remove iteration
2771 step and simplify as a result of removal of iteration step.
2772 (pass_dominator): Perform a cfg cleanup after DOM.
2773 (dom_opt_finalize_block): Use the new common routines
2774 for threading jumps. Simplify stack management slightly.
2775 No longer need to unwind VRP state.
2776 (record_equivalences_from_incoming_edge): No longer record
2778 (eliminate_redundant_computations): No longer call
2779 simplify_cond_and_lookup_avail_expr.
2780 * tree-flow.h (potentially_threadable_block): Prototype.
2781 (thread_across_edge): Likewise.
2782 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2783 (tree-ssa-threadedge.o): Add dependencies.
2784 * tree-ssa-threadedge.c: New file.
2785 * passes.c (init_optimization_passes): Merge PHIs before
2786 calling VRP. Run VRP again late in the SSA optimization pipeline.
2788 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2790 * df-core.c (df_set_blocks): Do not dereference function pointers.
2791 (df_finish1): Likewise.
2792 (df_hybrid_search_forward): Likewise.
2793 (df_hybrid_search_backward): Likewise.
2794 (df_iterative_dataflow): Likewise.
2795 (df_analyze_problem): Likewise.
2796 (df_compact_blocks): Likewise.
2797 (df_dump): Likewise.
2798 * df-scan.c (df_rescan_blocks): Likewise.
2799 (df_record_entry_block_defs): Likewise.
2801 * genconditions.c (write_conditions): Guard the definition of
2802 'insn_conditions' with the check on GCC version.
2803 (write_writer): Guard the traversal 'insn_conditions' with
2804 the check on GCC version.
2806 2006-02-07 Richard Guenther <rguenther@suse.de>
2810 2006-01-30 Richard Guenther <rguenther@suse.de>
2812 * gimplify.c (gimplify_target_expr): Handle easy cases
2813 without creating a temporary.
2815 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2817 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2818 use of float in probability computations. Use edge probabilities
2819 in place of statically computed probabilities.
2820 (min_spec_prob): New static variable.
2821 (schedule_insns): Initialize it.
2822 (GET_SRC_PROB): Removed.
2823 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2825 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2828 * config/ia64/unwind-ia64.c: Revert last change.
2829 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2830 (INCOMING_FRAME_SP_OFFSET): Define.
2832 2006-02-06 Roger Sayle <roger@eyesopen.com>
2834 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2836 2006-02-07 Ben Elliston <bje@au.ibm.com>
2838 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2839 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2840 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2841 (ix86_return_in_memory): Handle TDmode.
2842 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2843 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2845 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2847 * reorg.c (dbr_schedule): Use dump_file instead of file.
2849 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2852 * config/ia64/predicates.md (extr_len_operand): New predicate.
2853 * config/ia64/ia64.md (extv): Tighten constraints.
2855 (*tbit_and_2): Ditto.
2856 (*tbit_and_3): Ditto.
2857 (*tbit_or_2): Ditto.
2858 (*tbit_or_3): Ditto.
2862 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2865 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2867 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2869 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2870 loop_optimizer_init and loop_optimizer_finalize
2871 * tree-ssa-sink.c (execute_sink_code): Ditto.
2872 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2873 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2874 tree_ssa_loop_done): Ditto.
2875 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2876 * sched-ebb.c: Include output.h.
2877 (schedule_ebbs): Do not use dump argument.
2878 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2879 * loop.c (loop_dump_stream): Removed.
2880 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2882 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2883 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2884 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2885 loop_iterations, strength_reduce, record_biv, record_giv,
2886 final_giv_value, check_final_value, check_ext_dependent_givs,
2887 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2888 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2889 dump_file instead of loop_dump_stream.
2890 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2892 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2894 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2895 * haifa-sched.c: Include output.h
2896 (schedule_insns, sched_init): Do not use dump argument.
2897 * mode-switching.c (optimize_mode_switching): Ditto.
2898 * modulo-sched.c (stats_file): Removed.
2899 (print_node_sched_params): Do not call argument dump_file.
2900 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2901 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2903 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2905 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2906 rtl_loop_init, rtl_loop_done): Ditto.
2907 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2908 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2910 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2911 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2912 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2913 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2914 * emit-rtl.c (renumber_insns): Ditto.
2915 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2916 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2917 * regclass.c (regclass): Ditto.
2918 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2919 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2920 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2921 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2923 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2924 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2926 * gcse.c (gcse_file, debug_stderr): Removed.
2927 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2928 rest_of_handle_gcse): Do not use dump argument.
2929 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2930 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2931 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2932 compute_code_hoist_vbeinout, compute_code_hoist_data,
2933 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2934 compute_store_table, build_store_vectors, insert_insn_start_bb,
2935 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2936 store_motion): Use dump_file instead of gcse_file.
2937 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2938 * profile.c (profile_dump_file): Removed.
2939 (branch_prob): Use dump_file instead of profile_dump_file.
2940 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2942 * tree-ssa-copy.c (dump_copy_of): Ditto.
2943 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2944 dump file to life_analysis.
2945 * bt-load.c (branch_target_load_optimize): Ditto.
2946 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2948 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2949 regclass, dbr_schedule): Declaration changed.
2950 * sched-int.h (sched_init): Declaration changed.
2951 * tree-profile.c (tree_profile_dump_file): Removed.
2952 (tree_profile_hooks): Removed profile_dump_file hook.
2953 * rtl-profile (rtl_profile_dump_file): Removed.
2954 (rtl_profile_hooks): emoved profile_dump_file hook.
2955 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2957 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2958 * tree-cfg.c (build_tree_cfg): Ditto.
2959 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2960 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2961 Declaration changed.
2962 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2963 life_analysis and schedule_insns.
2964 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2966 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2968 * config/mips/mips.c (mips_reorg): Ditto.
2969 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2972 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2974 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2975 (s390_mangle_fundamental_type): New.
2976 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2979 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2980 (alpha_mangle_fundamental_type): New.
2981 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2984 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2986 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2988 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2989 (sparc_mangle_fundamental_type): New.
2991 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2993 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2994 (s390x-*-linux*): Likewise.
2995 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2996 * config/s390/t-linux: New file.
2998 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3000 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
3001 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
3003 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
3005 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
3006 (ANTIC_SAFE_LOADS): New macro.
3007 (find_or_generate_expression): Add prototype.
3008 (set_contains_value): Allow null set for sake of not always having
3009 to allocate ANTIC_SAFE_LOADS.
3010 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
3011 Allow COMPONENT_REF too.
3012 (valid_in_set): Allow COMPONENT_REF.
3013 Check ANTIC_SAFE_LOADS too.
3014 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
3015 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
3017 (can_PRE_operation): Add COMPONENT_REF.
3018 (create_component_ref_by_pieces): New function.
3019 (create_expression_by_pieces): Use create_component_ref_by_pieces.
3020 (insert_aux): Move AGGREGATE_TYPE_P check here.
3021 (compute_avail): Set bb local stmt uids.
3022 (pass_pre): Use TODO_update_ssa_only_virtuals.
3024 2006-02-06 Ben Elliston <bje@au.ibm.com>
3026 * configure.ac: Unconditionally disable decimal float by default.
3027 * configure: Regenerate.
3029 2006-02-06 Ben Elliston <bje@au.ibm.com>
3031 * read-rtl.c (read_name): Terminate reading on EOF.
3033 2006-02-06 Ben Elliston <bje@au.ibm.com>
3035 * dfp.c (decimal_real_arithmetic): Change second argument type
3036 from int to enum tree_code. Do not always return true, but now
3037 return result of any call to decimal_do helper functions.
3038 * dfp.h (decimal_real_arithmetic): Update prototype.
3040 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3042 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
3044 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
3047 * tree-cfg.c (cleanup_dead_labels): Also don't remove
3050 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3052 * tree-vrp.c (cfg_loops): Removed.
3053 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
3054 Use current_loops instead of cfg_loops. Pass flags to
3055 loop_optimizer_init.
3056 * cfgloopmanip.c (fix_loop_structure): Update only available
3058 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
3059 loop_optimizer_init.
3060 * modulo-sched.c (build_loops_structure): Removed.
3061 (sms_schedule): Use loop_optimizer_init.
3062 * loop-init.c (loop_optimizer_init): Use flags to determine
3063 which properties of loops to prepare.
3064 (rtl_loop_init): Pass flags to loop_optimizer_init.
3065 * tree-ssa-sink.c (execute_sink_code): Ditto.
3066 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3067 * tree-ssa-pre.c (init_pre): Ditto.
3068 * cfgloop.h (LOOPS_NORMAL): New.
3069 (loop_optimizer_init): Declaration changed.
3071 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3073 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3074 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3076 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3078 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3080 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3081 * pa/t-pa64: Delete quadlib.c rule.
3082 * pa/x-ada: Revert last change.
3083 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3085 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3087 PR rtl-optimization/26087
3088 * rtlanal.c (canonicalize_condition): Do not cross basic block
3091 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3094 * config/ia64/ia64.c: Include debug.h.
3095 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3096 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3097 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3098 (process_epilogue, process_set, process_for_unwind_directive):
3099 Output unwind info only if requested. Add CFA info if requested.
3100 Add new arguments as needed. Adjust callers.
3101 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3103 (DWARF2_FRAME_INFO): Define to zero.
3104 * config/ia64/unwind-ia64.c: Remove code that compensated for
3105 the CFA offset error fixed above.
3106 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3107 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3108 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3109 -funwind-tables and -fexceptions to enable frame info.
3110 (dwarf2out_frame_init): Define initial CFA even if
3111 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3112 DWARF2_UNWIND_INFO is nonzero, not just defined.
3113 (dwarf2out_frame_finish): Output non-EH call frame info only
3114 if DWARF2_FRAME_INFO is nonzero.
3115 (convert_cfa_to_loc_list,
3116 compute_frame_pointer_to_cfa_displacement): Define even if
3117 unwind info is not supported.
3118 (gen_subprogram_die): Use the above unconditionally. Remove
3119 legacy alternate code.
3120 * toplev.c (compile_file): Compile in call to
3121 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3122 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3124 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3125 Jakub Jelinek <jakub@redhat.com>
3127 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3128 IBM extended float format long double as "g" on powerpc*-linux.
3130 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3133 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3134 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3136 2006-02-03 Jason Merrill <jason@redhat.com>
3139 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3142 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3143 on the return slot if it's an NRV.
3145 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3147 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3148 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3149 rewrite_use): Do not handle USE_OUTER.
3150 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3151 add_iv_outer_candidates, may_replace_final_value,
3152 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3153 (find_interesting_uses_op): Functionality of
3154 find_interesting_uses_outer_or_nonlin moved here.
3155 (find_interesting_uses_outside): Use find_interesting_uses_op.
3157 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3160 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3162 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3163 Ulrich Weigand <uweigand@de.ibm.com>
3166 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3167 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3168 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3169 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3171 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3172 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3173 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3174 Define secondary reloads for TFmode moves.
3175 (constant_modes): Add TFmode.
3176 (NR_C_MODES): Set to 8.
3177 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3179 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3180 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3181 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3182 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3183 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3184 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3185 (FPR mode macro): Add TFmode.
3186 (DSF mode macro): New.
3187 (<de>, <dee> mode attributes): Removed.
3188 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3189 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3190 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3191 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3192 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3193 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3194 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3195 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3196 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3197 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3198 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3199 "*negabs<mode>2", "sqrt<mode>2"):
3200 Changed <de> to <xde>. R constraint replaced by <Rf>.
3201 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3203 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3204 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3205 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3207 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3208 "extenddftf2", "extendsftf2"): New expanders.
3209 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3210 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3211 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3212 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3214 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3215 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3216 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3217 __floatditf): Add a GCC_4.1.0 symbol version tag.
3218 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3221 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3224 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3225 Use targetm.binds_local_p instead of TREE_PUBLIC.
3227 2006-02-02 Roger Sayle <roger@eyesopen.com>
3229 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3230 on INTEGER_TYPEs to indicate that it denotes a character type.
3231 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3232 signed_char_type_node, unsigned_char_type_node and char_type_node.
3233 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3234 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3235 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3237 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3238 Daniel Berlin <dberlin@dberlin.org>
3240 * tree-tailcall.c (arg_needs_copy_p): New function.
3241 (eliminate_tail_call): Use arg_needs_copy_p.
3242 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3243 (add_virtual_phis): New function.
3245 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3247 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3248 #ignore instead of #scratch for %g7 .register directive.
3250 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3252 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3255 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3257 * flow.c (calculate_global_regs_live): Assert that there aren't any
3260 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3262 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3264 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3265 bsi_after_labels iterator.
3266 * tree-if-conv.c (find_phi_replacement_condition,
3267 replace_phi_with_cond_modify_expr): Likewise.
3268 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3269 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3271 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3273 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3275 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3278 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3279 array after growing it.
3281 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3284 * fold-const.c (fold_checksum_tree): Change type of buf.
3286 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3288 * reload.c (push_secondary_reload): Initialize t_icode.
3290 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3292 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3293 -msoft-float -mlong-double-128 only issue a warning, but don't
3294 swich to DFmode long double.
3296 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3298 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3299 has a constant equivalent, iterate over equivalents for arg0,
3300 calling simplify_relational_operation and if there's a result
3301 cheaper than X, apply fold_rtx and return the result.
3303 2006-02-01 Jan Hubicka <jh@suse.cz>
3305 * opts.c (no_unit_at_a_time_default): New global variable.
3306 (decode_options): Use it.
3307 * opts.h (no_unit_at_a_time_default): Declare.
3309 2006-02-01 Paul Brook <paul@codesourcery.com>
3311 * function.c (assign_parm_setup_reg): Use function argument promotion
3313 * expr.c (expand_expr_real_1): Use function argument promotion rules
3316 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3318 * gcc.c (process_command): Change j to 'unsigned int'.
3320 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3323 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3324 Use the corrected index for the character
3325 out of the string constant.
3327 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3329 * mode-switching.c (optimize_mode_switching): Fix size
3330 allocated for bb_info[n_entities].
3332 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3334 * gcc.c (main): Correct type that is allocated for
3335 explicit_link_files.
3337 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3339 * config/s390/s390.c (init_alignment_context): Set
3340 ALIAS_SET_MEMORY_BARRIER on the MEM.
3341 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3343 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3346 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3348 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3351 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3353 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3354 * regrename.c: Ditto.
3355 * tree-ssa-loop-im.c: Ditto.
3356 * tree-dump.c: Ditto.
3357 * tree-complex.c: Ditto.
3358 * genrecog.c: Ditto.
3359 * tree-ssa-threadupdate.c: Ditto.
3361 * java/class.c: Ditto.
3362 * java/jcf-parse.c: Ditto.
3363 * java/resource.c: Ditto.
3364 * java/except.c: Ditto.
3365 * java/jvspec.c: Ditto.
3366 * java/jcf-write.c: Ditto.
3367 * java/jcf-path.c: Ditto.
3368 * java/gjavah.c: Ditto.
3369 * java/zextract.c: Ditto.
3370 * java/jcf-io.c: Ditto.
3371 * java/jcf.h: Ditto.
3372 * java/buffer.c: Ditto.
3373 * java/lang.c: Ditto.
3374 * java/parse-scan.y: Ditto.
3375 * java/lex.c: Ditto.
3376 * java/lex.h: Ditto.
3377 * cfgloopmanip.c: Ditto.
3378 * postreload-gcse.c: Ditto.
3379 * tree-ssa-loop-manip.c: Ditto.
3380 * postreload.c: Ditto.
3381 * tree-ssa-loop-ch.c: Ditto.
3385 * diagnostic.c: Ditto.
3387 * genoutput.c: Ditto.
3389 * cfghooks.c: Ditto.
3390 * cfgloopanal.c: Ditto.
3391 * objc/objc-act.c: Ditto.
3393 * genextract.c: Ditto.
3394 * genautomata.c: Ditto.
3395 * pretty-print.c: Ditto.
3397 * cgraphunit.c: Ditto.
3400 * haifa-sched.c: Ditto.
3401 * dominance.c: Ditto.
3403 * tree-ssa-loop-ivopts.c: Ditto.
3405 * mode-switching.c: Ditto.
3406 * modulo-sched.c: Ditto.
3408 * ipa-pure-const.c: Ditto.
3410 * fix-header.c: Ditto.
3412 * tree-stdarg.c: Ditto.
3413 * ipa-utils.c: Ditto.
3414 * loop-init.c: Ditto.
3415 * ipa-inline.c: Ditto.
3418 * alloc-pool.c: Ditto.
3419 * dwarf2out.c: Ditto.
3421 * genattrtab.c: Ditto.
3422 * tree-ssa-loop-ivcanon.c: Ditto.
3426 * fortran/gfortranspec.c: Ditto.
3428 * local-alloc.c: Ditto.
3429 * langhooks.c: Ditto.
3430 * function.c: Ditto.
3431 * tree-vectorizer.c: Ditto.
3433 * ipa-type-escape.c: Ditto.
3435 * tree-if-conv.c: Ditto.
3438 * tree-data-ref.c: Ditto.
3439 * loop-unroll.c: Ditto.
3440 * treelang/treetree.c: Ditto.
3443 * ggc-common.c: Ditto.
3445 * coverage.c: Ditto.
3447 * tree-cfgcleanup.c: Ditto.
3448 * tree-ssa-pre.c: Ditto.
3449 * cfgcleanup.c: Ditto.
3450 * loop-invariant.c: Ditto.
3452 * ipa-prop.c: Ditto.
3453 * print-tree.c: Ditto.
3454 * conflict.c: Ditto.
3455 * ggc-page.c: Ditto.
3456 * sched-deps.c: Ditto.
3457 * regclass.c: Ditto.
3458 * tree-object-size.c: Ditto.
3460 * bb-reorder.c: Ditto.
3461 * resource.c: Ditto.
3462 * var-tracking.c: Ditto.
3464 * df-problems.c: Ditto.
3465 * reg-stack.c: Ditto.
3468 * sched-rgn.c: Ditto.
3469 * tree-ssa-structalias.c: Ditto.
3470 * tree-ssa-reassoc.c: Ditto.
3471 * config/darwin-c.c: Ditto.
3472 * config/darwin.c: Ditto.
3473 * config/arm/arm.c: Ditto.
3475 * collect2.c: Ditto.
3478 2006-01-31 Nicolas Pitre <nico@cam.org>
3480 * arm.md (smaxsi3): Make aware of smax_m1.
3483 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3485 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3487 2006-01-31 Richard Guenther <rguenther@suse.de>
3489 * doc/invoke.texi (-msselibm): Document.
3490 * target.h (expand_library_builtin): New target hook.
3491 * builtins.c (expand_builtin): Use expand_library_builtin.
3492 (default_expand_library_builtin): New function.
3493 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3494 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3495 (link_gcc_math_spec): Declare.
3496 (static_specs): Add link_gcc_math_spec.
3497 * expr.h (default_expand_library_builtin): Declare.
3498 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3499 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3500 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3501 * config/i386/i386.opt (msselibm): New target option.
3502 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3503 (ix86_init_sse_abi_builtins): New function.
3504 (ix86_expand_library_builtin): Likewise.
3505 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3506 (override_options): Handle error conditions wrt -msselibm.
3507 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3508 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3509 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3512 2006-01-31 Richard Guenther <rguenther@suse.de>
3513 Paolo Bonzini <bonzini@gnu.org>
3515 * doc/install.texi (--disable-libgcc-math): Document.
3517 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3519 * expr.h (expand_normal): new inline function.
3520 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3522 * dwarf2out.c: use it.
3527 * config/sparc/sparc.c: use it.
3528 * config/i386/i386.c: use it.
3529 * config/rs6000/rs6000.c: use it.
3530 * config/arm/arm.c: use it.
3531 * config/mips/mips.c: use it.
3532 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3534 2006-01-30 Roger Sayle <roger@eyesopen.com>
3536 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3537 argv to the appropriate type.
3539 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3541 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3544 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3547 * config/s390/s390.c (struct machine_function): New flag
3548 decomposed_literal_pool_addresses_ok_p.
3549 (s390_reorg): Set it before final stage of literal pool transforms.
3550 (s390_decompose_address): Only accept displacements of the form
3551 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3553 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3555 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3556 the comparison routine return.
3558 2006-01-30 Michael Matz <matz@suse.de>
3560 * global.c (find_reg): Only evict for global regs.
3561 Take n_refs into account and dump more info.
3563 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3566 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3567 (pragma_trap, pragma_nosave_low_regs): Likewise.
3568 (current_function_anonymous_args): Likewise.
3569 (sh_deferred_function_attributes): New variable.
3570 (sh_deferred_function_attributes_tail): Likewise.
3571 (print_operand): For '@', look up trap_exit attribute.
3572 (calc_live_regs): Look up trapa_handler attribute. For trapa
3573 handlers, save/restore fpscr, but don't do any other
3574 interrupt-specific saves.
3575 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3576 Fix check for partially saved registers to check for SHmedia.
3577 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3578 (sh_output_function_epilogue): Don't clear any of the removed
3580 (sh_insert_attributes): Don't check pragma_interrupt.
3581 Insert deferred attributes. Check that interrupt attribute is
3582 present for other attributes that require its presence.
3583 (sh_attribute_table): Add new attributes trapa_handler and
3585 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3586 Don't check for pragma_interrupt. Don't store argument.
3587 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3588 (sh_deferred_function_attributes): Declare.
3589 (sh_deferred_function_attributes_tail): Likewise.
3590 * sh.md (sp_switch_1): Add operand. Change generator caller.
3591 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3592 (*return_i): Don't use when trap_exit attribute is in effect.
3593 (*return_trapa): New insn pattern.
3595 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3596 setting c_target_objs and cxx_target_objs.
3597 * t-sh: Add rule for sh-c.o.
3599 2006-01-30 Richard Guenther <rguenther@suse.de>
3602 * gimplify.c (gimplify_target_expr): Handle easy cases
3603 without creating a temporary.
3605 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3607 * vec.h (safe_grow): Remove duplicated line.
3609 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3612 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3613 (expand_omp): ... here.
3614 (expand_omp_parallel): Only remove barriers for combined
3615 parallel+workshare constructs.
3617 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3621 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3622 * tree.c (build_qualified_type): Chain the new type to the original
3623 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3624 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3625 (build_pointer_type_for_mode): Only return unqualified types.
3626 (build_reference_type_for_mode): Likewise.
3628 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3630 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3631 * Makefile.in (CXX_COMPAT_WARN): Define.
3632 * configure: Regenerate.
3634 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3637 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3640 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3642 * toplev.c: Fix thinko.
3644 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3645 Marcin Dalecki <martin@dalecki.de>
3647 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3648 (push_srcloc): Use XNEW.
3649 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3651 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3653 * df-core.c (df_set_blocks): Deleted all variable.
3655 2006-01-28 Ian Lance Taylor <ian@airs.com>
3657 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3658 cgraph_output_pending_asms.
3660 2006-01-28 Zack Weinberg <zackw@panix.com>
3662 * c.opt: Add -W(no-)overlength-strings.
3663 * doc/invoke.texi: Document it.
3664 * c-opts.c (c_common_handle_option): -pedantic implies
3665 -Woverlength-strings, if not explicitly disabled already.
3666 (c_common_post_options): -Woverlength-strings defaults to off, and
3667 is always off for C++.
3668 * c-common.c (fix_string_type): Issue warning about strings longer
3669 than is portable only if warn_overlength_strings. Rearrange code
3670 a little for clarity.
3671 * configure.in: Check for -Wno-overlength-strings as well before
3672 enabling -pedantic in stage 1.
3673 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3674 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3676 * genconditions.c (write_header, write_one_condition)
3677 (write_conditions, write_writer): Consolidate very long strings
3678 that were broken up to fit in C89 portable limit. Don't use
3679 printf when fputs will do.
3681 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3683 * combine.c (simplify_comparison <AND>): Check
3684 TRULY_NOOP_TRUNCATION before start using a subreg.
3686 * config/mips/mips.md (*branch_zero<mode>,
3687 *branch_zero<mode>_inverted, *branch_equality<mode>,
3688 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3689 Remove mode check from comparisons.
3691 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3693 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3695 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3697 * expmed.c (const_mult_add_overflow_p): Remove.
3698 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3700 * recog.c (validate_replace_rtx_subexp): Remove.
3701 * recog.h: Remove the prototype for
3702 validate_replace_rtx_subexp.
3704 * integrate.h: Remove the prototype for
3705 copy_decl_for_inlining.
3706 * rtl.h: Remove the prototype for mark_constant_function.
3707 * tree-vectorizer.h: Remove the prototype for
3708 vect_strip_conversion.
3710 * modulo-sched.c (create_partial_schedule,
3711 free_partial_schedule, reset_partial_schedule): Make them
3714 * hooks.c (hook_bool_rtx_int_false): Remove.
3715 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3717 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3719 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3720 and -mlong-double-128 are incompatible.
3721 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3722 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3723 (TARGET_LIBGCC2_CFLAGS): Define.
3724 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3725 (TARGET_LIBGCC2_CFLAGS): Same.
3726 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3728 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3731 * c-typeck.c (build_binary_op): Perform implicit casts of
3732 operands before shortening them.
3734 * cfgloopmanip.c (split_loop_bb): Remove.
3735 * cfgloop.h: Remove the prototype for split_loop_bb.
3737 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3738 * cfgloop.h: Remove the prototype for
3739 flow_loop_outside_edge_p.
3741 * emit-rtl.c (init_virtual_regs): Make it static.
3742 * function.h: Remove the prototype for init_virtual_regs.
3744 * recog.c (peephole2_optimize): Make it static.
3745 * recog.h: Remove the prototype for peephole2_optimize.
3747 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3749 * df-scan.c (df_record_entry_block_defs): Check if
3750 INCOMING_RETURN_ADDR_RTX is defined.
3752 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3753 Kenneth Zadeck <zadeck@naturalbridge.com>
3755 PR rtl-optimization/24762
3756 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3757 * targhooks.c (hook_void_bitmap): New hook prototype.
3758 * targhoohs.h (hook_void_bitmap): Ditto.
3759 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3760 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3761 * target.h (live_on_entry): New function pointer.
3762 * df-scan.c (df_all_hard_regs): Removed.
3763 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3764 (df_scan_free_internal): Added df->entry_block_defs.
3765 (df_scan_alloc): Ditto.
3766 (df_scan_dump): Ditto.
3767 (df_uses_record): Plumbed flag field properly thru calls.
3768 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3769 This part fixes PR24762.
3770 (df_bb_refs_record): Added code to make the frame and arg
3771 pointers live in EH blocks.
3772 (df_refs_record): Added call to df_record_entry_block_defs.
3773 (df_record_entry_block_defs): New function.
3774 * df-core.c: Added comments to describe new artifical defs.
3775 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3776 (entry_block_defs): New field in struct df.
3777 (df_all_hard_regs): Deleted.
3778 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3779 * df-problems.c (df_ru_bb_local_compute_process_def):
3780 Added code to handle artifical defs in the entry to a function.
3781 (df_ru_bb_local_compute): Ditto.
3782 (df_rd_bb_local_compute_process_def): Ditto.
3783 (df_rd_bb_local_compute): Ditto.
3784 (df_lr_bb_local_compute): Ditto.
3785 (df_ur_bb_local_compute): Ditto.
3786 (df_urec_bb_local_compute): Ditto.
3787 (df_chain_create_bb): Ditto.
3788 (df_ur_local_finalize): Removed entry.
3789 (df_urec_init): Ditto.
3790 (df_urec_local_finalize): Ditto.
3791 (df_ri_bb_compute): Added detection of last use of pseudos.
3792 * Makefile.in (df-scan.o): Updated dependencies.
3793 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3794 * config/mips/mips.c (mips_set_live_on_entry): Added.
3795 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3797 * dce.c (marked_insn_p): Added code to handle artifical defs.
3799 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3801 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3803 (_mm_cvtsi128_si64): Likewise.
3804 (_mm_cvtsd_si64): Likewise.
3805 (_mm_cvttsd_si64): Likewise.
3806 (_mm_cvtsi64_sd): Likewise.
3807 (_mm_cvtsi64_si128): Likewise.
3808 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3809 (_mm_cvtsi64_m64): Likewise.
3810 (_m_to_int64): Likewise.
3811 (_mm_cvtm64_si64): Likewise.
3812 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3813 (_mm_cvttss_si64): Likewise.
3814 (_mm_cvtsi64_ss): Likewise.
3815 (_mm_cvtss_f32): Likewise.
3817 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3819 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3820 for pragma redefine_extname.
3822 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3825 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3826 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3827 -mno-minimal-toc to previous content.
3828 (bispecs): Remove goal.
3829 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3830 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3831 compatibility aliases on powerpc-*-*gnu*.
3832 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3833 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3834 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3835 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3836 (ldblspecs): New goal.
3837 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3838 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3840 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3841 L_sf_to_tf or L_df_to_tf is defined.
3843 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3844 Alan Modra <amodra@bigpond.net.au>
3847 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3848 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3849 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3850 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3851 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3852 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3853 (rs6000_override_options): Initialize rs6000_ieeequad.
3854 Initialize TFmode format to ibm_extended_format if not
3856 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3858 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3859 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3860 (function_arg_advance): IBM long double passed in two FPRs, not
3862 (function_arg): IBM long double passed in FPRs.
3863 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3864 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3865 Only multireg GPR aligned.
3866 (rs6000_init_libfuncs): Enable IBM long double functions if not
3868 (rs6000_generate_compare): Use IBM long double compare if not
3870 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3871 (TARGET_IEEEQUAD): Define.
3872 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3873 not TARGET_IEEEQUAD.
3874 * config/rs6000/rs6000.md: Enable TFmode patterns if
3876 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3877 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3878 and -mlong-double-128 are incompatible.
3879 * doc/invoke.texi (-mabi): Collect options together. Add
3880 ibmlongdouble and ieeelongdouble.
3882 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3884 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3886 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3887 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3888 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3889 * rtl.h (rtunion_def): Remove rt_ptr.
3891 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3892 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3893 * config/i386/winnt.c (i386_pe_mark_dllexport)
3894 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3896 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3898 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3900 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3904 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3905 pthread_key_delete. From John David Anglin. gthrw-ify
3906 pthread_getunique_np only if it it's not a macro. Delete
3908 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3909 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3910 __gthread_objc_condition_signal, __gthread_key_delete): Add
3911 "__attribute__ ((__unused__))" to unused arguments.
3912 (__gthread_recursive_mutex_init_function): Add missing return.
3913 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3914 gthr-posix95.h: Use macro-based approach for name redirection
3915 on targets missing weakref.
3917 2006-01-26 Zack Weinberg <zackw@panix.com>
3919 * genconditions.c (write_header): In generated code, #ifdef out
3920 all includes and fake declarations, except includes of bconfig.h
3921 and system.h, unless GCC_VERSION >= 3001. Do not include
3922 gensupport.h in any case.
3923 (write_conditions): Generate a definition of struct c_test. Add
3924 a comment to the generated #endif.
3925 (write_one_condition): Escape backslashes in string too.
3926 (write_writer): Generated code must escape backslashes and quote
3927 marks (but not newlines) in the strings it writes.
3928 * Makefile.in (build/gencondmd.o): Update dependencies.
3930 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3933 * Makefile.in (insn-automata.o): Add header file dependencies.
3934 * genautomata.c: Add includes.
3936 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3939 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3941 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3943 * configure.ac: Expect target tools paths to be passed from the toplevel
3944 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3946 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3948 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3951 * c.opt (Wpointer-sign): Init to -1.
3952 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3953 OPT_pedantic, to 0 otherwise.
3954 * doc/invoke.texi: Update.
3956 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3958 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3959 constants provided by 80387 instructions in the destination mode.
3961 2006-01-26 Richard Guenther <rguenther@suse.de>
3962 Andrew Pinski <pinskia@physics.uc.edu>
3965 partial PR tree-opt/17064
3966 * tree-ssa-structalias.c (intra_create_variable_infos):
3967 Create heap variables for incoming parameters if
3968 flag_argument_noalias > 1.
3969 (find_what_p_points_to): Look through default defs of
3972 2006-01-26 Jeff Law <law@redhat.com>
3975 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3976 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3977 within the VR_RANGE, use the VR_RANGE as the result, not the
3979 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3980 bounds for the type.
3982 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3984 * tree-ssa-alias.c (maybe_create_global_var): Change
3985 subvar walking to an assertion that we don't have subvar'd variables.
3987 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3990 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3991 Use a new variable, inner. PARM_DECLs are always non-weak.
3993 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3995 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3998 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
4000 * config/mips/mips.md (*clear_upper32): New combiner pattern.
4002 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
4004 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
4005 (smax_insn, smin_insn, smax_0, smin_0): New.
4007 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
4010 * config/cris/cris.c (cris_order_for_addsi3): New function.
4011 * config/cris/cris-protos.h: Prototype it.
4012 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
4013 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
4014 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
4015 (split for "op.S1 [rx=rx+i],ry (swapped)")
4016 (split for "op(s|u).S1 [rx=rx+i],ry")
4017 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
4018 Apply cris_order_for_addsi3 when generating addsi3 insns.
4020 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4022 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
4023 (TREE_BLOCK): Add call to EXPR_CHECK.
4025 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4028 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
4029 * tree-pretty-print.c (dump_omp_clause): Extract from ...
4030 (dump_omp_clauses): ... here.
4031 (dump_generic_node): Handle OMP_CLAUSE.
4032 * tree.c (omp_clause_num_ops): New.
4033 (omp_clause_code_name): New.
4034 (tree_code_size): Handle OMP_CLAUSE.
4035 (tree_size): Likewise.
4036 (make_node): Document handling of OMP_CLAUSE.
4037 (tree_node_structure): Handle OMP_CLAUSE.
4038 (omp_clause_check_failed): New.
4039 (omp_clause_range_check_failed): New.
4040 (omp_clause_operand_check_failed): New.
4041 (build_omp_clause): New.
4042 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
4043 * tree.h (enum omp_clause_code): Declare.
4044 (OMP_CLAUSE_SUBCODE_CHECK): Define.
4045 (OMP_CLAUSE_RANGE_CHECK): Define.
4046 (OMP_CLAUSE_ELT_CHECK): Define.
4047 (omp_clause_check_failed): Declare.
4048 (omp_clause_operand_check_failed): Declare.
4049 (omp_clause_range_check_failed): Declare.
4050 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
4051 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
4052 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
4053 (OMP_CLAUSE_LASTPRIVATE): Likewise.
4054 (OMP_CLAUSE_IF_EXPR): Likewise.
4055 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
4056 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
4057 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
4058 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
4059 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
4060 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
4061 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
4062 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
4063 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
4064 (OMP_CLAUSE_CODE): Define.
4065 (OMP_CLAUSE_SET_CODE): Define.
4066 (OMP_CLAUSE_CODE): Define.
4067 (OMP_CLAUSE_OPERAND): Define.
4068 (struct tree_omp_clause): Declare.
4069 (union tree_node): Add field 'omp_clause'.
4070 * treestruct.def (TS_OMP_CLAUSE): Define.
4071 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
4072 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
4073 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
4074 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
4075 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
4076 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
4077 (OMP_CLAUSE): Define.
4078 * print-tree.c (print_node): Handle OMP_CLAUSE.
4079 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
4080 * c-typeck.c: Likewise.
4081 * gimplify.c: Likewise.
4082 * c-omp.c: Likewise.
4083 * tree-nested.c: Likewise.
4084 * tree-inline.c: Likewise.
4085 * c-parser.c: Likewise.
4086 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4089 2006-01-25 Roger Sayle <roger@eyesopen.com>
4091 PR rtl-optimization/25703
4092 * combine.c (try_combine): Handle zero_extract and strict_low_part
4093 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4095 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4097 * global.c: Fix comment typos.
4099 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4102 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4103 Use output_addr_const instead of assemble_name.
4105 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4107 * Makefile.in (sched-vis.o): Update dependencies.
4108 * haifa-sched.c (sched_finish): Clear current_sched_info.
4109 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4110 (dump_flow_info): Call it.
4111 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4113 * basic-block.h (dump_bb_info): Declare.
4114 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4115 option, and apply options only for dump files whose TDF_RTL,
4116 TDF_TREE, or TDF_IPA bits match.
4117 * rtl.h: Declare new functions exported from sched-vis.c.
4118 * sched-vis.c: Enable also if scheduling is not used.
4119 (print_value): Print the mode of registers if not inside scheduling.
4120 (print_insn): Make it work outside the scheduler. Beautify the output
4122 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4124 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4126 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4127 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4128 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4129 depending on the value of CONSTANT_POOL_ADDRESS_P.
4130 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4132 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4133 rather than SYMBOL_REF_DECL.
4134 (rtx_constant_pool): Remove const_rtx_sym_htab.
4135 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4136 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4137 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4138 Remove handling of const_rtx_sym_htab.
4139 (find_pool_constant): Delete.
4140 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4141 rather than find_pool_constant.
4142 (get_pool_constant_for_function): Delete.
4143 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4145 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4146 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4147 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4148 (SYMBOL_REF_CONSTANT): New macro.
4149 (get_pool_constant_for_function): Delete.
4150 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4151 rather than SYMBOL_REF_DECL.
4152 (i386_pe_mark_dllimport): Likewise.
4153 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4154 rather than SYMBOL_REF_DECL.
4155 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4156 (machopic_indirect_call_target): Likewise.
4158 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4160 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4162 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4164 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4166 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4168 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4170 2006-01-24 David Daney <ddaney@avtrex.com>
4173 * configure.ac (enable_tls): New enable option.
4174 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4175 * configure: Regenerate.
4176 * doc/install.texi (--enable-tls): Document new option.
4177 (--disable-tls): Ditto.
4179 2006-01-24 Richard Henderson <rth@redehat.com>
4181 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4182 * alias.c (true_dependence): Respect it.
4183 (canon_true_dependence, write_dependence_p): Likewise.
4184 * builtins.c (get_builtin_sync_mem): Set it.
4186 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4188 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4191 2006-01-24 DJ Delorie <dj@redhat.com>
4193 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4194 for storing constants in single-bit bitfields.
4196 2006-01-25 Ben Elliston <bje@au.ibm.com>
4198 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4200 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4203 * tree-ssa-pre.c (phi_translate): Return NULL
4204 for AGGREGATE_TYPE's.
4206 2006-01-24 Zack Weinberg <zackw@panix.com>
4208 * genautomata.c (process_state_for_insn_equiv_partition):
4209 Use xcalloc for insn_arcs_array.
4210 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4211 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4213 2006-01-24 Richard Henderson <rth@redhat.com>
4215 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4218 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4220 PR rtl-optimization/25890
4221 PR rtl-optimization/25905
4222 * combine.c (expand_compound_operation, expand_field_assignment):
4223 Fail if the bitfield's final position is out of bounds.
4225 2006-01-24 Ian Lance Taylor <ian@airs.com>
4228 * cgraphunit.c (cgraph_output_in_order): Don't clear
4229 cgraph_asm_nodes until after asm strings have been output.
4231 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4233 * fix-header.c (read_scan_file): Add new parameter imultilib when
4234 calling register_include_chains.
4236 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4238 * omp-low.c: Update documentation.
4240 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4241 Daniel Berlin <dberlin@dberlin.org>
4245 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4246 return from the function.
4248 2006-01-22 Zack Weinberg <zackw@panix.com>
4250 * rtl.def (match_code): Add second argument.
4251 * genpreds.c (write_extract_subexp): New function.
4252 (write_match_code): Add path argument. Use write_extract_subexp.
4253 (write_predicate_expr): Pass path to write_match_code.
4254 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4255 not perform a mode test.
4256 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4257 a subexpression does not constrain the top-level code set.
4258 * read-rtl.c (read_rtx_variadic): New function.
4259 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4260 * doc/md.texi: Document new notation.
4261 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4262 (cmpsi_operand): ... here, using new notation.
4264 2006-01-22 Zack Weinberg <zackw@panix.com>
4266 * varray.c: Remove GENERATOR_FILE #ifdefs.
4268 2006-01-22 Zack Weinberg <zackw@panix.com>
4270 * genautomata.c (output_reserved_units_table): Emit nothing if
4271 description->query_units_num is zero. Remove extra blank line.
4272 (output_cpu_unit_reservation_p): Short circuit
4273 if description->query_units_num is zero.
4275 2006-01-22 Zack Weinberg <zackw@panix.com>
4277 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4278 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4279 nor any of the random handful of variables that used to be necessary
4280 when this program was linked with rtlanal.o. Prune set of forward
4281 function declarations.
4282 (struct attr_desc): Remove static_p field.
4283 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4284 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4285 (attr_string): Do not read the character one past the length of
4287 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4288 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4289 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4290 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4291 (make_automaton_attrs): New.
4292 (main): Do not call into genautomata. Call local gen_bypass
4293 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4294 Remove special case for insn_alts.
4295 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4296 varray.h (leftover from previous change). Prune set of forward
4297 function declarations. Remove state_alts fields from all
4298 structures. Remove state_alts_table from struct automaton.
4299 Make everything except main static. Do not maintain num_dfa_decls.
4300 Do not maintain state_alts fields of various structures.
4301 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4302 (add_arc): Remove state_alts argument. All callers updated.
4303 (output_reserved_units_table): Emit #ifdef here...
4304 (output_tables): ...not here. Don't generate state_alts tables.
4305 (expand_automata): Don't generate attributes.
4306 (write_automata): Don't generate state_alts functions.
4307 (main): New function.
4308 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4309 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4310 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4311 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4312 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4313 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4314 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4315 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4317 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4318 * genattrtab.h: Delete file.
4319 * Makefile.in (OBJS-common): Add insn-automata.o.
4320 (insn-automata.o): New rule.
4321 (simple_generated_c): Add insn-automata.c.
4322 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4323 (genprogmd): Add automata.
4324 (build/genattrtab): Needs no extra objects nor libraries.
4325 (build/genautomata): Needs build/vec.o and -lm.
4327 2006-01-22 Zack Weinberg <zackw@panix.com>
4329 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4330 (output_dfa_max_issue_rate, locked_states_num): Delete.
4331 (struct automaton): Add locked_states field.
4332 (output_dead_lock_vect): Save number of locked states in
4333 automaton->locked_states. If it is zero, don't print anything.
4334 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4335 (output_internal_dead_lock_func): Only test the dead_lock_vect
4336 for automata that have locked states.
4337 (output_statistics): Always print the number of locked states for
4338 each automaton. Calculate total number of locked states here.
4339 (write_automata): Don't call output_dfa_max_issue_rate.
4340 * genattrtab.c: Define length_unit_log as a const variable.
4341 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4342 max_insn_queue_index const.
4343 * final.c (length_unit_log): Declare const.
4344 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4346 2006-01-22 Zack Weinberg <zackw@panix.com>
4348 * genautomata.c: Include vec.h, not varray.h.
4349 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4350 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4351 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4352 VEC_* macros operating on appropriately typed vectors, or to
4353 malloced arrays when the size is known in advance. Const-ify
4354 many char* variables and function arguments. No functional changes.
4355 * Makefile.in (build/varray.o): Delete rule.
4356 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4357 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4359 2006-01-22 Zack Weinberg <zackw@panix.com>
4361 * gensupport.c: Define get_insn_name and record_insn_name here.
4362 (read_md_rtx): Call record_insn_name as appropriate.
4363 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4364 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4365 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4367 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4368 (BUILD_VARRAY): Delete.
4369 (genprognormal): Rename genprogmd. Fold in all programs from
4370 genprognoprint; also attrtab.
4371 (build/genattrtab): Just mention genautomata.o and varray.o.
4372 Reorganize a bit, add comments to make the categories clearer.
4374 2006-01-22 Zack Weinberg <zackw@panix.com>
4376 * genconditions.c (condition_table, add_condition): Delete.
4377 (write_conditions): Don't emit n_insn_conditions nor
4378 insn_elision_unavailable. Issue the gcc version #ifdef here,
4379 inside the table, with no #else clause ...
4380 (write_header): ...not here.
4381 (write_writer): New function.
4382 (main): Don't initialize condition_table. Use add_c_test.
4384 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4385 files on the command line.
4386 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4387 Return -1 if there is no entry in the table, don't abort.
4388 (add_c_test, traverse_c_tests): New functions.
4389 * gensupport.h (insn_elision_unavailable, insn_conditions)
4390 (n_insn_conditions): Delete declarations.
4391 (add_c_test, traverse_c_tests): Declare.
4392 * read-rtl.c: Include gensupport.h.
4393 (read_conditions): New function.
4394 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4395 (read_rtx_1): If we get EOF when we were looking for an initial
4396 open paren, return 0. Call read_conditions when appropriate.
4397 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4398 dummy-conditions.o. Eliminate references to insn-conditions.o,
4399 or change them to build/gencondmd.o, as appropriate. Remove
4400 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4401 from $(simple_generated_c). For all files remaining in those
4402 two lists, add insn-conditions.md to the generator command line.
4403 Give insn-constants.h/s-constants their own rules. Add rules
4404 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4405 (build/read-rtl.o): Depend on gensupport.h.
4406 (genprognormal): Include preds.
4407 (genprogearly): Rename genprognoprint; only difference is now that
4408 they don't link with $(BUILD_PRINT).
4409 * dummy-conditions.c: Delete.
4411 2006-01-22 Zack Weinberg <zackw@panix.com>
4413 * genextract.c: Don't include insn-config.h. Do include vec.h.
4414 Declare vectors of int, char, and locstr.
4415 (locstr): New typedef.
4416 (struct extraction): Make all array fields into bare pointers.
4417 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4418 (insn_code_number): Delete.
4419 (accum_extract): New struct.
4420 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4421 (gen_insn): Take insn_code_number as an argument. Use an
4422 accum_extract structure instead of loading data directly into
4423 a struct extraction, and having to know how big it might get.
4424 (walk_rtx): Operate entirely on an accum_extract structure.
4425 (print_path): Avoid unnecessary use of printf.
4426 (print_header): New function, split out of main. Distinguish
4427 more carefully between an unrecognizable insn and an insn that
4428 has the code number of a define_expand.
4429 (main): Pass insn_code_number to gen_insn. Call print_header
4430 only after parsing. Avoid unnecessary use of printf.
4431 * Makefile.in (build/vec.o): New rule.
4432 (build/genextract): Depend on build/vec.o.
4433 (build/genextract.o): Don't depend on insn-config.h.
4435 2006-01-22 Zack Weinberg <zackw@panix.com>
4437 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4438 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4439 practical. Eliminate per-generator-program link rules.
4441 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4444 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4445 with a call expr to ...
4446 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4448 2006-01-23 Richard Guenther <rguenther@suse.de>
4450 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4451 before make_edge with conditional EDGE_TRUE_VALUE.
4453 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4454 Jan Hubicka <jh@suse.cz>
4455 Richard Guenther <rguenther@suse.de>
4457 PR rtl-optimization/25654
4458 * cfgexpand.c (aggregate_contains_union_type): New function.
4459 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4460 for structure variables that contain a union type.
4462 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4464 * gengtype.c (new_structure): Return the structure.
4465 (create_option): Add an extra "next" argument.
4466 (create_field): New function.
4467 (adjust_field_rtx_def): Use create_option and create_field.
4468 Remove a now-unnecessary call to find_structure.
4469 (adjust_field_tree_def): Likewise.
4470 (note_yacc_type): Remove an unnecessary call to find_structure.
4471 * gengtype.h (new_structure): Return the structure.
4472 (create_option): Add an extra argument.
4473 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4474 (option): Adjust calls to create_option.
4476 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4478 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4480 2006-01-22 Paul Brook <paul@codesourcery.com>
4481 Peter Barada <peter@the-baradas.com>
4483 * config/m68k/m68k.md: Add Coldfire FPU support.
4484 Define FP mode macro and associated attributes.
4485 Use it for float mode patterns.
4486 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4487 (LIBCALL_VALUE): Use m68k_libcall_value.
4488 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4489 (m68k_function_value): Ditto.
4490 (emit_move_sequence): Ditto.
4491 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4492 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4493 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4494 (MULTILIB_EXCEPTIONS): Ditto.
4495 * config/m68k/m68k.opt: Add mcfv4e.
4496 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4497 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4498 (m68k_output_function_prologue): Save ColdFire FPU registers.
4499 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4500 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4501 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4502 ColdFire FPU registers.
4503 (m68k_libcall_value, m68k_function_value): New functions.
4504 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4505 (LIBCALL_VALUE): Use m68k_libcall_value.
4506 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4507 (MASK_COLDFIRE): Add MASK_CFV4E.
4508 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4509 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4510 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4511 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4512 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4513 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4514 * doc/invoke.tex: Document -mcfv4e on m68k.
4516 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4518 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4521 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4524 * c-opts.c (c_common_handle_option): Don't include
4525 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4526 * doc/invoke.texi (C++ Dialect Options): Document that
4527 -Wnon-virtual-dtor is no longer included in -Wall.
4529 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4531 * gcov.c (print_version), gcov-dump.c (print_version),
4532 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4535 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4537 * df-scan.c (problem_SCAN): Added NULL reset function.
4538 (df_scan_reset_blocks): Added code to call reset block function
4539 (df_bb_refs_delete) Fixed comment.
4540 (df_insn_refs_delete): Made tolerant of deleting non existent info
4541 for dataflow problems that need to be reset.
4542 * df-core.c (df_set_blocks): Ditto.
4543 * df.h (struct df_problem): Added reset_fun.
4544 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4545 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4546 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4547 functions to clear out all references to def-use or use-def chains.
4549 2006-01-21 Ben Elliston <bje@au.ibm.com>
4551 * varasm.c (assemble_real): Initialise data array.
4553 2006-01-20 Paul Brook <paul@codesourcery.com>
4555 Merge from csl-arm-branch.
4556 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4557 * config/arm/arm.md (movdi): Force operands[1] to a register
4558 if we have a non-register source.
4559 (*arm_movdi, *movdf_soft_insn): Require that one of the
4560 operands be a register.
4561 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4562 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4564 2006-01-20 DJ Delorie <dj@redhat.com>
4566 * varasm.c (initialize_constant_valid_p): Allow pointers
4567 initialized from integer constants of lesser precision.
4568 (output_constant): Allow non-int-sized pointer modes to be
4569 initialized from integer constants.
4571 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4574 * cppdefault.h (struct default_include): Add multilib flag.
4575 * cppdefault.c (cpp_include_defaults): Set it.
4576 * c.opt (-imultilib): New option.
4577 * c-opts.c (imultilib): New.
4578 (c_common_handle_option): Handle -imultilib.
4579 (c_common_post_options): Likewise.
4580 * c-incpath.c (add_standard_paths, register_include_chains):
4582 * c-incpath.h (register_include_chains): Add extra parameter.
4583 * gcc.c (do_spec_1): Generate -imultilib option.
4584 (The Specs Language): Update %I description.
4585 (process_command): Update copyright notice.
4586 * doc/cppopts.texi (-imultilib): Document.
4587 * doc/invoke.texi (-imultilib): Include in option summary.
4588 (%I): Update specs documentation.
4590 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4592 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4594 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4596 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4599 2006-01-20 Richard Guenther <rguenther@suse.de>
4600 Steven Bosscher <stevenb.gcc@gmail.com>
4602 PR rtl-optimization/24626
4603 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4604 EDGE_TRUE_VALUE if in RTL mode.
4607 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4608 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4610 2006-01-20 Dirk Mueller <dmueller@suse.com>
4613 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4614 instead of a special NOP marker.
4615 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4616 NOP marker handling.
4617 * c-common.h (empty_body_warning): Add forward declaration.
4618 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4619 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4621 2006-01-20 Paul Brook <paul@codesourcery.com>
4623 * Makefile.in (lang_checks): Keep going if mkdir fails.
4625 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4627 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4628 be able to clean out basic block when not necessary.
4629 (df_scan_free): Fixed to properly delete information if df is
4630 unused before calling df_finish.
4631 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4632 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4634 (df_bb_refs_delete): New function.
4635 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4636 * df-core.c (df_set_blocks): Added code to properly clean out
4637 unused blocks if they are not part of the blocks to consider.
4638 Added additional null check.
4639 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4640 be able to clean out basic block when not necessary
4641 * df.h (df_free_bb_function): Ditto.
4642 (df_bb_refs_delete): New function.
4643 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4644 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4645 basic block parameter to be able to clean out basic block when not
4647 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4648 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4649 Fixed to properly delete information if df is unused before
4652 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4654 PR rtl-optimization/25799
4655 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4656 Corrected confluence operator to remove bits from op2 before oring
4657 with op1 rather than removing bits from op1.
4658 (df_ru_transfer_function): Corrected test on wrong bitmap which
4659 caused infinite loop. Both of these problems were introduced in
4660 the dataflow rewrite.
4662 2006-01-19 DJ Delorie <dj@redhat.com>
4664 * reload1.c (find_reload_regs): Note the details of reload
4665 failures in the dump file.
4666 (spill_failure): Likewise.
4668 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4670 * loop-iv.c: Include df.h and hashtab.h.
4671 (enum iv_grd_result): New enum.
4672 (DF_REF_IV, DF_REF_IV_SET): New macros.
4673 (struct biv_entry): New.
4674 (df, bivs): New global variables.
4675 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4676 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4678 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4679 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4680 analyzed_for_bivness_p, record_biv): New functions.
4681 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4682 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4683 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4685 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4687 (iv_number_of_iterations): Use new interface to iv analysis.
4688 * loop-unroll.c: Do not include varray.h.
4689 (analyze_iv_to_split_insn): Use new interface to iv
4691 * loop-unswitch.c (may_unswitch_on): Ditto.
4692 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4694 (df_bb_modify): Realloc tables to the new index.
4695 (df_find_use): New function.
4696 * df.h (df_find_use): Declare.
4697 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4699 * cfgloop.h (struct rtx_iv): Remove analysed field.
4700 (iv_get_reaching_def): Removed.
4701 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4702 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4703 (loop-iv.o): Add df.h and hashtab.h dependency.
4704 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4706 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4709 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4711 (__floatundisf, __floatundidf): Likewise.
4712 * libgcc2.h (IS_IBM_EXTENDED): Define.
4714 2006-01-19 DJ Delorie <dj@redhat.com>
4716 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4718 2006-01-19 Paul Brook <paul@codesourcery.com>
4720 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4721 as nothrow when unwinding tables are disabled.
4723 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4726 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4727 of bit-field" when in system header.
4729 2006-01-19 DJ Delorie <dj@redhat.com>
4731 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4732 the 16 bit shift limit of the m16c.
4734 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4737 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4738 * config/i386/i386.c (output_set_got): Output the label if we have one
4739 for the TARGET_DEEP_BRANCH_PREDICTION case.
4741 2006-01-19 Jan Hubicka <jh@suse.cz>
4742 H.J. Lu <hongjiu.lu@intel.com>
4743 Evandro Menezes <evandro.menezes@amd.com>
4745 * invoke.texi (generic): Document
4747 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4748 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4749 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4750 (x86_use_incdec, x86_pad_returns): New variables
4751 (TARGET_CPU_DEFAULT_generic): New constant
4752 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4753 (enum processor_type): Add generic32 and generic64.
4754 * i386.md (cpu attribute): Add generic32/generic64
4755 (movhi splitter): Behave sanely when both partial_reg_dependency and
4756 partial_reg_stall are set.
4757 (K8 splitters): Enable for generic as well.
4758 * predicates.md (incdec_operand): Use TARGET_INCDEC
4759 (aligned_operand): Avoid memory mismatch stalls.
4760 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4761 * ppro.md: Enable for generic32
4762 * i386.c (generic64_cost, generic32_cost): New.
4763 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4764 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4765 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4766 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4767 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4768 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4769 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4770 x86_accumulate_outgoing_args, x86_prologue_using_move,
4771 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4772 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4774 (x86_use_incdec, x86_pad_returns): New.
4775 (override_options): Add generic32 and generic64, translate "generic"
4776 to generic32/generic64 and "i686" to "generic32", refuse
4777 "generic32"/"generic64" as arch target.
4778 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4779 (ix86_reorg): Honor PAD_RETURNS.
4781 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4783 * tree-pretty-print.c (dump_generic_node): Handle
4784 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4785 * cgraph.c (cgraph_expand_queue): Rename from
4786 cgraph_analyze_queue. Update all users.
4787 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4788 cgraph_expand_queue.
4789 (cgraph_expand_all_functions): Likewise.
4790 (cgraph_finalize_pending_functions): Remove. Update callers.
4792 * tree.h (OMP_DIRECTIVE_P): Define.
4793 (OMP_PARALLEL_FN): Define.
4794 (OMP_PARALLEL_DATA_ARG): Define.
4795 (OMP_SECTIONS_SECTIONS): Define.
4796 * tree-pass.h (pass_expand_omp): Declare.
4797 * omp-low.c (struct omp_region): Declare.
4798 (struct omp_context): Remove fields 'parallel_type',
4799 'parallel_start_ix' and 'parallel_start_additional_args'.
4801 (struct omp_for_data): Rename from struct expand_omp_for_data.
4802 (omp_regions): New static variable.
4803 (root_omp_region): New static variable.
4804 (find_omp_clause): Make static.
4805 (is_in_combined_parallel_ctx): Remove.
4806 (is_combined_parallel): New.
4807 (extract_omp_for_data): Move earlier in the file.
4808 (workshare_safe_to_combine_p): New.
4809 (get_ws_args_for): New.
4810 (determine_parallel_type): Move earlier in the file.
4811 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4813 (omp_copy_decl): Likewise.
4814 (create_omp_child_function): Likewise.
4815 (lookup_omp_region): New.
4816 (dump_omp_region): New.
4817 (debug_omp_region): New.
4818 (debug_all_omp_regions): New.
4819 (new_omp_region): New.
4820 (scan_omp_parallel): If parallel_nesting_level > 1, the
4821 directive is nested within another parallel directive.
4822 Set OMP_PARALLEL_FN.
4823 (scan_omp_for): Do not try to handle combined parallel+for
4825 Remove FIXME comment.
4826 (scan_omp_nested): Remove.
4827 (scan_omp_1): Do not call scan_omp_nested when
4828 parallel_nesting_level is > 1.
4829 Do not change the DECL_CONTEXT of local variables found.
4830 (lookup_decl_in_outer_ctx): New.
4831 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4832 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4833 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4834 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4835 If CTX is nested, lookup VAR in the outer context when
4836 building copy assignment.
4837 (lower_send_clauses): Rename from expand_send_clauses.
4838 If CTX is nested, lookup VAR in the outer context when
4839 building copy assignments.
4840 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4841 If CTX is nested, lookup VAR in the outer context when
4842 building copy assignments.
4843 (expand_parallel_call): Rename from build_parallel_call.
4844 Handle combined parallel+workshare cases.
4845 Re-implement to emit code into the CFG.
4847 (expand_omp_parallel): Re-implement to emit code into the CFG.
4848 Call move_sese_region_to_fn to outline the sub-graph
4849 containing the parallel region.
4850 (expand_omp_for_1): Remove.
4851 (expand_omp_for_generic): Re-implement to emit code into the
4853 (expand_omp_for_static_nochunk): Likewise.
4854 (expand_omp_for_static_chunk): Likewise.
4855 (expand_omp_for): Likewise.
4856 (expand_omp_sections): Likewise.
4857 (remove_exit_barriers): New.
4858 (expand_omp_synch): New.
4860 (build_omp_regions_1): New.
4861 (build_omp_regions): New.
4862 (execute_expand_omp): New.
4863 (gate_expand_omp): New.
4864 (pass_expand_omp): Define.
4865 (lower_omp_sections): Rename from expand_omp_sections.
4866 Set OMP_SECTIONS_SECTIONS.
4867 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4868 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4869 (lower_omp_single): Rename from expand_omp_simple.
4870 (lower_omp_master): Rename from expand_omp_master.
4871 (lower_omp_ordered): Rename from expand_omp_ordered.
4872 (lower_omp_critical): Rename from expand_omp_critical.
4873 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4874 (lower_omp_for): Re-implement.
4875 (lower_omp_parallel): Re-implement.
4876 (lower_regimplify): Rename from expand_regimplify.
4877 (lower_omp_1): Rename from expand_omp_1.
4878 If there are syntax errors in the program, replace every
4879 OpenMP directive with NOP.
4880 Call lower_omp_* instead of expand_omp_*.
4881 (lower_omp): Rename from expand_omp.
4883 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4884 * tree-gimple.h (enum omp_parallel_type): Remove.
4885 (gimple_boolify): Declare extern.
4886 (find_omp_clause, determine_parallel_type): Remove.
4888 * gimple-low.c (lower_omp_directive): New.
4889 (lower_stmt): Call it.
4890 (record_vars_into): Move from ...
4891 (record_vars): ... here.
4892 Call record_vars_into with current_function_decl.
4894 * gimplify.c (struct gimplify_ctx): Remove fields
4895 combined_pre_p and combined_ctxp. Update users.
4896 (get_formal_tmp_var): Add documentation.
4897 (gimple_boolify): Make extern.
4898 (gimplify_expr_in_ctx): Remove. Update callers.
4899 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4900 will always be a BIND_EXPR.
4901 (gimplify_expr): Handle OMP_RETURN_EXPR.
4902 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4903 (OMP_PARALLEL): Add 3 operands.
4904 (OMP_SECTIONS): Add 1 operand.
4905 (OMP_RETURN_EXPR): Define.
4907 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4908 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4909 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4910 creating a circular free list.
4911 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4913 * tree-flow.h (move_sese_region_to_fn): Declare.
4914 (record_vars_into): Declare.
4915 * tree-cfg.c (make_omp_sections_edges): New.
4916 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4917 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4918 OMP_SECTIONS and OMP_SECTION.
4919 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4920 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4921 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4922 (gather_blocks_in_sese_region): New.
4923 (struct move_stmt_d): Declare.
4925 (move_block_to_fn): New.
4926 (move_sese_region_to_fn): New.
4928 * passes.c (init_optimization_passes): Schedule
4929 pass_expand_omp after pass_init_datastructures.
4931 * tree-ssa-operands.c (get_expr_operands): Handle
4932 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4933 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4935 2006-01-19 Jeff Law <law@redhat.com>
4937 * tree-vrp.c (extract_range_from_assert): Refine the result range
4938 if the variable referenced by the ASSERT_EXPR has a range and
4939 either the tentative result range or the previous range is a
4942 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4944 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4946 2006-01-19 Jan Hubicka <jh@suse.cz>
4948 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4950 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4952 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4953 (expand_compound_operation, expand_field_assignment): Fail if the
4954 bit lengths of an extract operation are out of range.
4955 (make_extraction): Compute wanted_inner_mode based on the position
4956 and length of the extraction. Make it extraction_mode for non-constant
4957 positions, and do not modify offset in that case. When generating a
4958 new MEM, use a mode that can hold the extraction while keeping correct
4959 alignment. Remove code that supported MEMs wrapped by USEs.
4960 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4962 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4964 * config/s390/s390.md ("Y", "y"): New mode attribute.
4965 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4966 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4967 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4968 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4969 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4970 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4971 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4972 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4973 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4974 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4975 "addsi3", "subsi3"): Insn patterns removed.
4976 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4977 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4978 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4979 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4980 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4981 "*sub<mode>3_cconly2"): New insn patterns.
4982 ("addsi3", "subsi3"): New expanders.
4984 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4986 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4987 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4988 existing STMT_VINFO_VECTYPE if available.
4989 (vect_mark_relevant): Add special handling for stmts that are
4990 marked as STMT_VINFO_IN_PATTERN_P.
4991 (vect_analyze_loop): Call vect_pattern_recog.
4992 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4993 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4995 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4996 (vect_recog_func_ptr): New function-pointer type.
4997 * tree-vect-patterns.c: New file.
4998 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4999 (vect_recog_dot_prod_pattern, vect_pattern_recog):
5000 (vect_pattern_recog_1): New functions.
5001 (vect_pattern_recog_funcs): New array of function pointers.
5003 * tree-vectorizer.h (ternary_op): New enum value.
5004 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
5005 declaration. Revised documentation. Removed redundant dump prints.
5006 Removed redundant argument. Added support for reduction patterns.
5007 (vectorizable_reduction): Added support for reduction patterns.
5008 (vect_transform_stmt): Added support for patterns.
5010 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
5011 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
5012 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
5013 (expand_widen_pattern_expr): New function.
5014 (init_optabs): Initialize new optabs udot_prod_optab,
5016 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
5017 (sdot_prod_optab, udot_prod_optab): Define new optabs.
5018 (expand_widen_pattern_expr): New function declaration.
5019 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
5021 * tree-inline.c (estimate_num_insns_1): Added cases for new
5022 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5023 * tree-pretty-print.c (dump_generic_node): Likewise.
5024 (op_prio): Likewise.
5025 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5026 * tree-ssa-operands.c (get_expr_operands): Added case for
5028 * tree-vect-patterns.c (widened_name_p): New function.
5029 (vect_recog_dot_prod_pattern): Added function implementation.
5030 * tree-vect-transform.c (get_initial_def_for_reduction): Added
5031 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
5032 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
5033 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
5035 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
5036 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
5037 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
5038 (init_optabs): Initialize new optabs widen_ssum_optab,
5040 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
5041 (widen_ssum_optab, widen_usum_optab): Define new optabs.
5042 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
5043 use instead of type of def.
5044 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
5045 function implementation.
5046 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
5047 widen_ssumv8hi): New.
5049 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
5052 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5055 * c-decl.c (add_flexible_array_elts_to_size): New function.
5056 (finish_decl): Use it.
5058 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5060 * diagnostic.h: Include options.h.
5061 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
5062 dependancies for diagnostic.h.
5063 * Makefile.in (DIAGNOSTIC_H): Add options.h.
5065 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
5067 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
5068 (ssa_ro_call_cache_valid): Ditto.
5069 * tree-ssa-alias.c (sort_tags_by_id): New function.
5070 (init_transitive_clobber_worklist): Ditto.
5071 (add_to_worklist): Ditto.
5072 (mark_aliases_call_clobbered): Ditto.
5073 (compute_tag_properties): Ditto.
5074 (set_initial_properties): Ditto.
5075 (compute_call_clobbered): Ditto.
5076 (compute_may_aliases): Call compute_call_clobbered and grouping.
5077 (compute_flow_sensitive_aliasing): Remove clobbering related code.
5078 (compute_flow_insensitive_aliasing): Grouping now happens in our
5080 (setup_pointers_and_addressables): Remove clobbering related code.
5081 (add_may_alias): Ditto.
5082 (replace_may_alias): Ditto.
5083 (get_nmt_for): Ditto.
5084 (create_global_var):
5085 (is_escape_site): Return an escape_type enumeration.
5086 * tree-flow-inline.h (is_call_clobbered): Global var does not
5087 imply call clobbered.
5088 (mark_call_clobbered): Take a reason for marking this. Remove
5089 marking of globalness, and cache invalidation.
5090 (clear_call_clobbered): Remove cache invalidation code.
5091 * tree-dfa.c (dump_variable): If details is on, dump the reason
5093 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5095 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5096 (struct var_ann_d): Ditto.
5097 (enum escape_type): New.
5098 (mark_call_clobbered): Adjust prototype.
5099 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5100 are never call clobbered.
5101 Record reasons for escaping.
5102 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5103 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5104 (ssa_ro_call_cache_valid): Ditto.
5105 (clobbered_v_may_defs): Ditto.
5106 (clobbered_vuses): Ditto.
5107 (ro_call_vuses): Ditto.
5108 (clobber_stats): New.
5109 (init_ssa_operands): Zero out clobber stats.
5110 (fini_ssa_operands): Print out clobber stats.
5111 (get_call_expr_operands): Pass callee fndecl to
5113 (add_call_clobber_ops): Remove use of cache.
5114 Add use of PURE_CONST information.
5115 (add_call_read_ops): Remove use of cache.
5116 Add use of static not_read information.
5118 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5120 Introduce TLS descriptors for i386 and x86_64.
5121 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5122 (TARGET_ANY_GNU_TLS): New macro.
5123 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5124 (struct machine_function): Add tls_descriptor_call_expanded_p.
5125 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5126 (ix86_current_function_calls_tls_descriptor): Likewise.
5127 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5128 (override_options): Introduce gnu2 tls dialect.
5129 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5131 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5133 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5134 (ix86_init_machine_status): Initialize new field.
5135 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5136 (ix86_tls_module_base): New.
5137 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5138 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5139 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5140 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5141 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5142 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5143 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5144 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5145 * config/i386/predicates.md (tls_modbase_operand): New.
5146 (tp_or_register_operand): New.
5148 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5150 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5151 (look_for_address_of): Ditto.
5152 (ipa_init): Walk the function decls.
5153 (static_execute): Don't set readonly on FUNCTION_DECL's.
5155 2006-01-18 Roger Sayle <roger@eyesopen.com>
5157 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5158 for shifts where the source and destination registers are different.
5160 2006-01-18 Paul Brook <paul@codesourcery.com>
5162 Merge from csl-arm-branch.
5163 2005-03-14 Julian Brown <julian@codesourcery.com>
5164 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5165 (aeabi_llsl): Likewise.
5166 (ashrdi3): Likewise.
5167 (aeabi_lasr): Likewise.
5168 (lshrdi3): Likewise.
5169 (aeabi_llsr): Likewise.
5170 2005-03-10 Julian Brown <julian@codesourcery.com>
5171 * config.gcc: Disable shared libgcc for SymbianOS.
5172 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5174 2006-01-18 DJ Delorie <dj@redhat.com>
5176 * c-pragma.c (handle_pragma_diagnostic): New.
5177 (init_pragma): Register it.
5178 * doc/extend.texi: Document it.
5180 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5181 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5182 (diagnostic_context): Add classify_diagnostic[].
5183 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5184 as errors if they're overridden to DK_WARNING.
5185 (diagnostic_initialize): Initialize classify_diagnostic[].
5186 (diagnostic_set_kind_override): New.
5187 (diagnostic_report_diagnostic): Check for kind changes.
5188 * opts.c (common_handle_option): Take lang_mask. Update callers.
5190 * common.opt (Werror=): New.
5191 * doc/invoke.texi: Document -Werror=*
5193 2006-01-18 Jeff Law <law@redhat.com>
5195 * tree-vrp.c (test_for_singularity): Correct test for new
5196 min limit. Use operand_equal_p rather than pointer equality
5197 for testing if new min/max values are equal.
5199 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5200 using range information until after propagation and folding.
5202 2006-01-18 Richard Henderson <rth@redhat.com>
5203 Aldy Hernandez <aldyh@redhat.com>
5204 Jakub Jelinek <jakub@redhat.com>
5205 Diego Novillo <dnovillo@redhat.com>
5207 * omp-low.c: New file.
5208 * c-omp.c: New file.
5210 2006-01-18 Richard Henderson <rth@redhat.com>
5211 Jakub Jelinek <jakub@redhat.com>
5212 Diego Novillo <dnovillo@redhat.com>
5214 * doc/invoke.texi: Document -fopenmp.
5215 * tree-dump.h (debug_function): Declare.
5216 * hooks.c (hook_bool_tree_bool_false): New function.
5217 (hook_tree_tree_null): Remove.
5218 (hook_tree_tree_tree_null): New.
5219 * hooks.h: Update to match.
5220 * tree-pretty-print.c (debug_tree_chain): New.
5221 (print_generic_expr): Handle TDF_CHAIN.
5222 (dump_generic_node): Handle BLOCK.
5223 Do not abort with incomplete SWITCH_EXPRs.
5224 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5225 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5226 print space after directive name.
5227 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5228 Handle OMP_MASTER and OMP_ORDERED.
5229 Handle printing of OMP_BODY just in one place, goto
5230 dump_omp_body in the rest of OMP_* nodes that have
5232 Don't handle clause nodes here. Update omp statements to
5233 use dump_omp_clauses.
5234 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5235 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5236 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5237 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5238 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5239 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5240 Adjust output for GOMP_PARALLEL.
5241 (dump_omp_clauses): New.
5242 (print_declaration): Dump DECL_VALUE_EXPR.
5243 (op_symbol_1): Split out of op_symbol.
5244 (dumping_stmts): Remove. Update all users.
5245 * cgraph.c (cgraph_analyze_queue): New.
5246 (cgraph_add_new_function): New.
5247 * cgraph.h (cgraph_analyze_queue): Declare.
5248 (cgraph_add_new_function): Declare.
5249 (cgraph_lower_function): Remove.
5250 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5251 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5252 and TYPE_P nodes in its default clause.
5253 (empty_body_p): New.
5254 (tree_range_check_failed): New.
5256 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5257 OMP_CLAUSE_REDUCTION_MERGE,
5258 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5259 OMP_CLAUSE_PRIVATE_DEBUG,
5260 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5261 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5262 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5263 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5264 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5265 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5266 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5267 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5268 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5269 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5270 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5271 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5272 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5273 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5274 (TREE_RANGE_CHECK): New.
5275 (empty_body_p): Declare.
5276 (enum omp_clause_default_kind): New.
5277 (build_string_literal): Declare.
5278 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5279 (build5_stat, build5): Declare.
5280 * tree-pass.h (TDF_CHAIN): Define.
5281 * tree-pass.h (PROP_gimple_lomp): Define.
5282 (pass_lower_omp): Declare.
5283 * diagnostic.h (debug_tree_chain): Declare.
5284 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5286 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5287 * builtins.c (build_string_literal): Make extern.
5288 * gcc.c (include_spec_function): New.
5289 (static_spec_functions): Add it.
5290 (main): Move load of libgomp.spec ...
5291 (LINK_COMMAND_SPEC): ... here.
5292 (link_gomp_spec): New.
5293 (static_specs): Include it.
5294 (LINK_COMMAND_SPEC): Add link_gomp.
5295 (GOMP_SELF_SPECS): New.
5296 (driver_self_specs): Include it.
5297 (switch_matches): Don't mark inline.
5298 (main): Load libgomp.spec.
5299 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5300 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5301 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5302 * tree-gimple.h (enum omp_parallel): Declare.
5303 (determine_parallel_type): Declare.
5304 (omp_firstprivatize_variable): Declare.
5305 (omp_reduction_init): Declare.
5306 (diagnose_omp_structured_block_errors): Declare.
5307 (struct walk_stmt_info): Add want_return_expr.
5308 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5309 (find_omp_clause): Declare.
5310 (insert_field_into_struct): Declare.
5311 (struct walk_stmt_info): Move from tree-nested.c
5312 (walk_stmts): Declare.
5313 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5315 * cgraphunit.c (cgraph_lower_function): Make static.
5316 (cgraph_finalize_pending_functions): New.
5317 (cgraph_finalize_function): Call it.
5318 (cgraph_finalize_compilation_unit): Likewise.
5319 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5320 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5321 (BT_FN_UINT_UINT): New.
5322 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5323 DEF_FUNCTION_TYPE_VAR_4): Document.
5324 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5325 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5326 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5327 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5328 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5329 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5330 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5331 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5332 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5333 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5334 into separate files.
5335 (DEF_GOMP_BUILTIN): New.
5336 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5337 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5338 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5339 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5340 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5341 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5342 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5343 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5344 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5345 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5346 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5347 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5348 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5349 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5350 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5351 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5352 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5353 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5354 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5355 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5356 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5357 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5358 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5359 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5360 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5361 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5362 * sync-builtins.def: New file, moved from builtins.def.
5363 * omp-builtins.def: New file, moved from builtins.def.
5364 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5365 * gimple-low.c (lower_function_body): Clear data.
5366 (lower_stmt): Do not handle COMPOUND_EXPR.
5367 Remove call to print_node_brief.
5368 * c-tree.h (c_finish_omp_clauses): New prototype.
5369 (C_DECL_THREADPRIVATE_P): Define.
5370 (lookup_name_no_remap, c_omp_remap_private): Remove
5371 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5372 (check_for_loop_decls): Update decl.
5373 (lookup_name_no_remap, c_omp_remap_private): Declare.
5374 (build_indirect_ref, build_modify_expr, pushdecl,
5375 pushdecl_top_level): Move to c-common.h.
5376 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5377 before the switch, but just in the 2 places that need it.
5378 * c-decl.c (diagnose_mismatched_decls): Do not check for
5379 mismatched thread-local attributes when OLDDECL is marked
5380 threadprivate and NEWDECL has no thread-local attributes.
5381 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5382 (c_gimple_diagnostics_recursively): Rename from
5383 c_warn_unused_result_recursively. Invoke
5384 diagnose_omp_structured_block_errors.
5385 (check_for_loop_decls): Return a singular decl found.
5386 * langhooks.c (lhd_omp_predetermined_sharing): Return
5387 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5388 (lhd_omp_firstprivatize_type_sizes): New.
5389 (lhd_omp_assignment): New.
5390 (lhd_omp_predetermined_sharing): New.
5391 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5392 (struct lang_hooks_for_types): Add
5393 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5394 omp_predetermined_sharing, omp_disregard_value_expr,
5395 omp_private_debug_clause, omp_clause_default_ctor,
5396 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5397 (c_finish_omp_clauses): New.
5398 (c_finish_bc_stmt): Diagnose break within omp for.
5399 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5400 (build_unary_op): Return error_mark after reporting
5402 (build_modify_expr): Likewise.
5403 * gimplify.c: Include optabs.h and pointer-set.h.
5404 (enum gimplify_omp_var_data): Declare.
5405 (struct gimplify_omp_ctx): Declare.
5406 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5408 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5409 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5410 (splay_tree_compare_decl_uid): New.
5411 (new_omp_context): New.
5412 (delete_omp_context): New.
5413 (gimple_add_tmp_var): Call omp_add_variable.
5414 (gimplify_bind_expr): Likewise.
5415 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5416 true, disregard DECL_VALUE_EXPR on the decl if any.
5417 (gimplify_expr_in_ctx): New.
5418 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5419 omp_add_variable, omp_notice_variable, omp_is_private
5420 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5421 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5422 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5423 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5424 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5425 gimplify_omp_atomic): New.
5426 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5427 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5428 OMP_CRITICAL and OMP_ATOMIC.
5429 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5430 * c-pragma.h (enum pragma_kind): Add
5431 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5432 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5433 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5434 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5435 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5436 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5437 PRAGMA_OMP_THREADPRIVATE.
5438 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5439 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5440 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5441 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5442 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5443 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5444 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5445 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5446 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5447 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5448 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5449 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5450 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5452 (struct nesting_info): Add field_map,
5453 suppress_expansion, debug_var_chain.
5454 (create_nesting_tree): Initialize them.
5455 (lookup_field_for_decl): Use field_map.
5456 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5457 (convert_local_omp_clauses): New.
5458 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5459 (walk_body): Split out of walk_function.
5460 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5461 (convert_nonlocal_reference): Handle omp statements.
5462 (convert_local_reference): Likewise.
5463 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5464 (unnest_nesting_tree): New.
5465 (lower_nested_functions): Call it.
5466 (insert_field_into_struct): Make extern.
5467 (struct walk_stmt_info): Move to tree-gimple.h.
5468 (walk_stmts): Make extern.
5469 * omp-builtins.def: New file.
5470 * tree-iterator.c (expr_only): Clarify comment.
5471 * c-common.h (pushdecl_top_level, pushdecl,
5472 build_modify_expr, build_indirect_ref,
5473 c_finish_omp_master, c_finish_omp_critical,
5474 c_finish_omp_ordered, c_finish_omp_barrier,
5475 c_finish_omp_atomic, c_finish_omp_flush,
5476 c_finish_omp_for, c_split_parallel_clauses,
5477 omp_clause_default_kind, c_omp_sharing_predetermined,
5478 c_omp_remap_decl): Declare.
5479 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5480 (OBJS-common): Add omp-low.o.
5481 (c-omp.o, omp-low.o): Add.
5482 (gimplify.o): Add dependency on $(OPTABS_H).
5483 (GTFILES): Add omp-low.c.
5484 (gt-stringpool.h): Add.
5485 * tree-cfg.c (set_bb_for_stmt): Do not update the
5486 block-to-labels map if we are currently expanding to RTL.
5487 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5489 Handle IDENTIFIER_NODE.
5490 (tree_verify_flow_info): Do not ICE when emitting error
5491 messages about invalid labels.
5492 (dump_function_to_file): Reset CFUN before emitting the body
5494 (debug_function): New.
5495 * passes.c (init_optimization_passes): Schedule
5497 * langhooks-def.h (lhd_omp_predetermined_sharing,
5498 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5500 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5501 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5502 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5503 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5504 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5505 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5506 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5507 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5508 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5509 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5510 (LANG_HOOK_DECLS): Use them.
5512 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5513 Richard Henderson <rth@redhat.com>
5514 Jakub Jelinek <jakub@redhat.com>
5515 Diego Novillo <dnovillo@redhat.com>
5517 * c-parser.c (pragma_omp_clause): Define.
5518 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5519 (c_parser_compound_statement): Likewise.
5520 (c_parser_statement): Likewise.
5521 (c_parser_pragma): Handle omp pragmas.
5522 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5523 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5524 (c_parser_omp_clause_name, check_no_duplicate_clause,
5525 c_parser_omp_variable_list,
5526 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5527 c_parser_omp_clause_copyprivate,
5528 c_parser_omp_clause_default,
5529 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5530 c_parser_omp_clause_lastprivate,
5531 c_parser_omp_clause_nowait,
5532 c_parser_omp_clause_num_threads,
5533 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5534 c_parser_omp_clause_reduction,
5535 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5536 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5537 c_parser_omp_atomic, c_parser_omp_barrier,
5538 c_parser_omp_critical, c_parser_omp_flush,
5539 c_parser_omp_for_loop, c_parser_omp_for,
5540 c_parser_omp_master, c_parser_omp_ordered,
5541 c_parser_omp_sections_scope, c_parser_omp_sections,
5542 c_parser_omp_parallel, c_parser_omp_single,
5543 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5544 * c-pragma.c (init_pragma): Do omp pragma registration here.
5545 * c.opt (fopenmp): New flag.
5547 2006-01-18 Eric Christopher <echristo@apple.com>
5549 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5550 * config/darwin.h (GOMP_SELF_SPECS): Define.
5552 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5554 * rtl.h: Remove the prototype for reg_alloc.
5556 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5559 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5560 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5561 sjlj and dwarf2 exception handling.
5562 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5563 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5564 * pa/pa.c (function_value): Treat complex and vector types as
5566 (function_arg): Likewise. Only pass scalar floats in the floating
5567 point argument registers.
5568 * pa/t-slibgcc-dwarf-ver: New file.
5569 * pa/t-slibgcc-sjlj-ver: New file.
5570 * pa/t-slibgcc-elf-ver: Delete file.
5572 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5574 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5575 unlikely_test_section_p test.
5577 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5579 * mode-switching.c (optimize_mode_switching): Make it static.
5580 * basic-block.h: Remove the prototype for
5581 optimize_mode_switching.
5583 * modulo-sched.c (sms_schedule): Make it static.
5584 * rtl.h: Remove the prototype for sms_schedule.
5586 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5587 * rtl.h: Remove the prototype for gcse_after_reload_main.
5589 * reg-stack.c (reg_to_stack): Make it static.
5590 * rtl.h: Remove the prototype for reg_to_stack.
5592 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5594 * rtl.h: Remove the prototypes for regrename_optimize and
5595 copyprop_hardreg_forward.
5597 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5599 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5600 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5601 Test against the appropriate null constant for the mode.
5602 If 'fixup_overlap' is true, swap the operands if they overlap.
5603 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5604 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5605 alpha_split_tmode_pair and adjust for above change.
5606 * config/alpha/alpha.md (movtf_internal): Adjust call to
5607 alpha_split_tfmode_pair and rely on it to swap the operands.
5608 (movti_internal): New insn and post-reload splitter.
5609 (movti): New expander.
5611 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5613 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5616 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5618 * rtlanal.c (global_reg_mentioned_p_1,
5619 global_reg_mentioned_p): Remove.
5620 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5622 * flow.c (initialize_uninitialized_subregs): Make it static.
5623 * rtl.h: Remove the prototype for
5624 initialize_uninitialized_subregs.
5626 * function.c (instantiate_virtual_regs): Make it static.
5627 * function.h: Remove the prototype for
5628 instantiate_virtual_regs.
5630 * regmove.c (regmove_optimize, combine_stack_adjustments):
5632 * rtl.h: Remove the prototypes for regmove_optimize and
5633 combine_stack_adjustments.
5635 2006-01-17 Roger Sayle <roger@eyesopen.com>
5637 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5638 (size_cost): Encode costs in bytes so that a reg-reg addition is
5639 equivalent to COSTS_N_INSNS(1).
5640 (override_options): Use the size_cost.branch_cost as the default
5641 ix86_branch_cost when optimizing for size.
5643 2006-01-18 Ben Elliston <bje@au.ibm.com>
5645 * Makefile.in (D32PBIT_FUNCS): New.
5646 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5647 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5648 D64PBIT_FUNCS and D128PBIT_FUNCS.
5649 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5650 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5652 (decnumber_dep): Define.
5653 * doc/libgcc.texi (Decimal float library routines): New node.
5654 * config/dfp-bit.h, config/dfp-bit.c: New files.
5656 2006-01-18 Ben Elliston <bje@au.ibm.com>
5658 * expr.c (emit_move_change_mode): Always adjust addresses, not
5659 just during reload. Copy replacements only during reload.
5660 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5661 emit_move_via_integer.
5663 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5665 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5666 instead of $(srcdir) and ${srcdir}.
5668 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5672 * arm.h (struct machine_function): Add pic_reg.
5673 * arm.c (arm_pic_register): Make unsigned.
5674 (arm_override_options): Only set arm_pic_register if
5675 TARGET_SINGLE_PIC_BASE.
5676 (use_return_insn): Only test for a pic register if it is fixed.
5677 (arm_compute_save_reg0_reg12_mask): Likewise.
5678 (thumb_compute_save_reg_mask): Likewise.
5679 (legitimate_pic_operand): Factor out some known invariants.
5680 (legitimize_pic_address): If we don't have a fixed pic register,
5681 then set up a pseudo in the function entry sequence. Handle the
5682 pic base being in a pseudo.
5683 (arm_load_pic_register): Handle the pic register being in a pseudo.
5684 (arm_expand_prologue): Only set up the pic register if it is fixed.
5685 (thumb_expand_prologue): Likewise.
5686 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5687 (pic_load_addr_based_insn): Likewise.
5688 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5691 2006-01-18 Ben Elliston <bje@au.ibm.com>
5693 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5694 decimal float modes for all floating point registers.
5696 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5697 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5699 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5702 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5703 even when the pointer is not NULL.
5705 2006-01-16 Ian Lance Taylor <ian@airs.com>
5707 * common.opt (ftoplevel-reorder): New option.
5708 * cgraph.c (cgraph_asm_nodes): New global variable.
5709 (cgraph_asm_last_node): New static variable.
5710 (cgraph_order): New global variable.
5711 (cgraph_create_node): Set new order field.
5712 (cgraph_varpool_node): Likewise.
5713 (decide_is_variable_needed): Return true if not
5714 flag_toplevel_reorder.
5715 (cgraph_add_asm_node): New function.
5716 * cgraph.h (struct cgraph_node): Add order field.
5717 (struct cgraph_varpool_node): Add order field.
5718 (struct cgraph_asm_node): Define.
5719 (cgraph_asm_nodes, cgraph_order): Declare.
5720 (cgraph_add_asm_node): Declare.
5721 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5723 (cgraph_varpool_assemble_pending_decls): Call it.
5724 (cgraph_output_pending_asms): New static function.
5725 (cgraph_finalize_compilation_unit): Call it.
5726 (struct cgraph_order_sort): Define.
5727 (cgraph_output_in_order): New static function.
5728 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5729 !flag_toplevel_reorder case.
5730 * c-parser.c: Include "cgraph.h".
5731 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5733 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5734 than -fno-unit-at-a-time.
5735 * doc/invoke.texi (Option Summary): Mention
5736 -fno-toplevel-reorder.
5737 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5738 -funit-at-a-time documentation.
5740 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5741 Kazu Hirata <kazu@codesourcery.com>
5743 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5745 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5747 * Makefile.in (FUNCTION_H): New. Use it instead of
5748 function.h throughout the file.
5749 * function.h: Include tree.h.
5751 2006-01-17 Ben Elliston <bje@au.ibm.com>
5753 * recog.c: Separate some functions with whitespace.
5755 2006-01-16 Richard Henderson <rth@redhat.com>
5757 Merge from gomp branch:
5758 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5759 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5760 and rename from struct inline_data. Rename callee* to dst*;
5761 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5762 transform_new_cfg, transform_return_to_modify, and
5763 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5765 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5766 (copy_decl_for_dup): Remove.
5767 * tree-inline.c (struct inline_data): Move to header.
5768 (insert_decl_map): Export.
5769 (remap_decl): Update for member name changes. Use copy_decl hook.
5770 Allow for replacement to be a non-decl. Remove dead code.
5771 (remap_type_1): Check for existing mapping.
5772 (remap_type): Export.
5773 (remap_decls): Update for member name changes.
5774 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5775 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5776 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5777 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5778 (tree_function_versioning, build_duplicate_type): Likewise.
5779 (copy_body_r): Likewise. Export.
5780 (copy_decl_for_dup): Split into ...
5781 (copy_decl_for_dup_finish, copy_decl_to_var,
5782 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5783 (replace_ref_tree, inlining_p): Remove.
5785 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5787 * ifcvt.c (if_convert): Make it static.
5788 * rtl.h: Remove the prototype for if_convert.
5790 * local-alloc.c (local_alloc): Make it static.
5791 * rtl.h: Remove the prototype for local_alloc.
5793 * loop.c (loop_optimize): Make it static.
5794 * cfgloop.h: Remove the prototype for loop_optimize.
5797 2006-01-16 DJ Delorie <dj@redhat.com>
5799 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5802 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5804 * pa.md: Disparage copies between general and floating-point registers
5805 in 32-bit move patterns.
5807 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5810 * Makefile.in (check-%): Depend on site.exp instead of
5811 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5814 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5816 * global.c (global_alloc): Make it static.
5817 * rtl.h: Remove the prototype for global_alloc.
5819 2006-01-16 Richard Guenther <rguenther@suse.de>
5821 * tree-ssa-alias.c (struct used_part): Add write_only field.
5822 (get_or_create_used_part_for): Initialize it to true.
5823 (create_overlap_variables_for): Don't create structure variables
5824 for structures that only are written to.
5825 (find_used_portions): Handle MODIFY_EXPR to track whether a
5826 structure is only written to.
5828 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5830 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5832 * basic-block.h: Remove the prototype for
5833 partition_hot_cold_basic_blocks.
5835 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5837 * cppspec.c (lang_specific_spec_functions): Remove.
5838 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5839 * gcc.h (lang_specific_spec_functions): Remove.
5840 * gccspec.c (lang_specific_spec_functions): Remove.
5842 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5844 * combine.c (record_value_for_reg): Invalidate registers
5846 (record_dead_and_set_regs_1): Likewise, by passing them to
5847 record_value_for_reg.
5848 (record_dead_and_set_regs): Invalidate stores made by a
5849 call. We do not combine across a call, but we still
5850 relied on equivalences.
5852 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5854 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5855 vrp_int_const_binop returning non-constant nodes.
5857 2006-01-16 Paul Brook <paul@codesourcery.com>
5859 * config/m68k/m68k.c (output_move_const_into_data_reg):
5860 Output correct mnemonic for mvz and mvs.
5862 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5864 * rtl-factoring.c: Add sequence abstraction algorithm.
5865 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5866 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5868 (block_has_preserve_label): New function.
5869 * common.opt: Register new pass.
5870 * Makefile.in: Ditto.
5872 * timevar.def: Ditto.
5873 * tree-pass.h: Ditto.
5874 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5875 * rtl.h (make_jump_insn_raw): Add forward decl.
5876 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5878 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5879 Roger Sayle <roger@eyesopen.com>
5881 * fold-const.c (fold_minmax): New static function.
5882 (fold_binary) <MIN_EXPR>: Call it.
5883 <MAX_EXPR>: Likewise.
5884 * stor-layout.c (place_field): Use DECL_SIZE consistently
5885 in the computation of the new record size.
5887 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5889 * cse.c (cse_condition_code_reg): Make it static.
5890 * rtl.h: Remove the prototype for cse_condition_code_reg.
5892 * combine.c (combine_instructions): Make it static.
5893 * rtl.h: Remove the prototype for combine_instructions.
5895 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5898 * tree.c (get_file_function_name_long): Concatenate the first global
5899 object name with a string derived from the input filename of the object
5902 2006-01-16 Ben Elliston <bje@au.ibm.com>
5904 * config/i386/winnt-stubs.c: Update FSF address.
5905 * config/xtensa/ieee754-df.S: Ditto.
5906 * config/xtensa/ieee754-sf.S: Ditto.
5908 2006-01-14 Ian Lance Taylor <ian@airs.com>
5910 * ifcvt.c (noce_init_if_info): New static function, broken out of
5911 noce_process_if_block.
5912 (noce_process_if_block): Call noce_init_if_info.
5913 (check_cond_move_block): New static function.
5914 (cond_move_process_if_block): New static function.
5915 (process_if_block): Call cond_move_process_if_block.
5917 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5919 * cselib.c (hash_table): Rename to cselib_hash_table.
5920 (cselib_clear_table, discard_useless_values,
5921 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5922 cselib_init, cselib_finish): Adjust uses of hash_table.
5924 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5926 PR tree-optimization/25485
5927 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5928 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5929 is known to be false and true, respectively.
5931 2006-01-14 Richard Guenther <rguenther@suse.de>
5933 PR tree-optimization/22548
5934 PR tree-optimization/22555
5935 PR tree-optimization/22501
5936 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5937 * params.def (salias-max-array-elements): New parameter.
5938 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5939 * doc/invoke.texi (salias-max-array-elements): Document.
5940 * tree-flow-inline.h (var_can_have_subvars): We also handle
5942 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5944 * tree-ssa-structalias.c (params.h): Include.
5945 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5946 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5947 (get_constraint_for): For ADDR_EXPR operating on something
5948 containing an ARRAY_REF, add all subvars to the solution.
5949 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5950 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5951 for creating MUST_DEFs.
5952 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5954 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5956 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5958 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5959 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5960 number_of_iterations_le): New functions.
5961 (number_of_iterations_special): Removed.
5962 (number_of_iterations_exit): Do not use number_of_iterations_special.
5963 * tree.c (unsigned_type_for): Always return integer type.
5965 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5966 Richard Guenther <rguenther@suse.de>
5968 PR rtl-optimization/24257
5969 * gcse.c (find_moveable_store): Only consider a store movable
5970 when the SET_SRC of the insn can be assigned to a register.
5972 2006-01-14 Ian Lance Taylor <ian@airs.com>
5974 * tree.c (tree_not_class_check_failed): New function.
5975 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5976 (tree_not_class_check_failed): Declare.
5978 2006-01-13 Ian Lance Taylor <ian@airs.com>
5980 * reload1.c (do_output_reload): Add assertion rejecting a
5983 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5985 * combine.c (struct reg_stat): Add new fields truncation_label and
5987 (record_value_for_reg): Reset truncated_to_mode.
5988 (record_truncated_value): New function.
5989 (check_promoted_subreg): Call it. Rename to check_conversions.
5990 (combine_instructions): Rename check_promoted_subreg to
5992 (reg_truncated_to_mode): New function.
5993 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5994 (gen_lowpart_or_truncate): New function.
5995 (force_to_mode): Use it instead of gen_lowpart.
5997 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5999 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
6000 VAR is a tag, not its type tag.
6002 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
6004 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
6005 alternatives to match style of other entries.
6006 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
6008 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
6010 PR tree-optimization/25771
6011 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
6014 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
6017 * tree-inline.c (declare_return_variable): If the return variable
6018 was marked as a non gimple complex, set the return slot variable
6019 to be a non gimple comple variable.
6021 2006-01-13 Richard Guenther <rguenther@suse.de>
6023 * builtins.c (expand_builtin_sincos): New function.
6024 (expand_builtin_mathfn_3): Remove dead code, sin and cos
6026 (expand_builtin): Expand sincos using expand_builtin_sincos.
6028 2006-01-12 DJ Delorie <dj@redhat.com>
6030 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
6031 shift counts, separate SI shifts for m32c vs m16c, pass shift type
6032 so that constant shifts can be split.
6033 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
6034 (m32c_valid_pointer_mode): Make static.
6035 (shift_gen_func_for): New.
6036 (m32c_prepare_shift): Use it. Split large const shifts into
6038 * config/m32c/predicates.md (shiftcount_operand): Allow more
6040 (longshiftcount_operand): New.
6041 * doc/md.texi (Machine Constraints): Document In6.
6043 2006-01-13 Ben Elliston <bje@au.ibm.com>
6045 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
6046 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
6049 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
6051 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
6052 to try to avoid clobbering pieces of structures when we know
6053 something about the whole structure.
6054 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
6056 2006-01-13 Ben Elliston <bje@au.ibm.com>
6058 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
6059 return in memory, as this is no limitation is no longer present.
6061 2006-01-12 DJ Delorie <dj@redhat.com>
6063 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
6064 mova with fb, and for fb+0 -> An.
6066 * config/m32c/mov.md (peephole2): Fix enabling logic.
6068 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6069 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
6070 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
6071 FINI_ARRAY_SECTION_ASM_OP): Define.
6073 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
6075 (m32c_legitimize_reload_address): New logic to reload FB to An.
6076 (m32c_output_reg_push): Add newline.
6077 (m32c_output_reg_pop): Likewise.
6079 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
6081 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
6083 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6085 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6087 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6089 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6092 2006-01-11 Ben Elliston <bje@au.ibm.com>
6094 * rtlanal.c (find_reg_note): Assert insn is not null.
6096 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6098 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6101 2006-01-11 Jeff Law <law@redhat.com>
6103 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6105 (mark_threaded_blocks, register_jump_thread): New functions.
6106 (thread_through_all_blocks): Remove unwanted argument. No
6107 longer rely on e->aux to communicate thread target info.
6108 Call mark_threaded_blocks. Release the threaded_blocks
6109 bitmap and threaded_edges vector when complete.
6110 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6111 (threaded_blocks): Remove.
6112 (tree_ssa_dominator_optimize): Remove initialization and
6113 finalization of threaded_blocks. Simplify call to
6114 thread_through_all_blocks.
6115 (thread_across_edge): Call register_jump_thread rather than
6116 storing thread information into e->aux.
6117 (free_all_edge_infos): Simplify now that e->aux is no longer
6118 used to communicate with thread_through_all_blocks.
6119 * tree-flow.h (thread_through_all_blocks): Update prototype.
6120 (register_jump_thread): Prototype.
6122 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6124 * df-core.c (df_compact_blocks, df_bb_replace): Use
6125 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6127 2006-01-11 Richard Guenther <rguenther@suse.de>
6129 PR tree-optimization/25734
6130 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6131 stop propagation after successful propagation to the LHS.
6133 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6135 * basic-block.h (control_flow_graph): Change the type of
6136 x_basic_block_info to VEC(basic_block,gc) *.
6137 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6139 (SET_BASIC_BLOCK): New.
6140 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6141 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6142 * cfgbuild.c (find_basic_blocks): Likewise.
6143 * cfglayout.c (fixup_reorder_chain): Likewise.
6144 * cfgrtl.c (create_basic_block_structure,
6145 rtl_create_basic_block): Likewise.
6146 * ifcvt.c (find_if_case_1): Likewise.
6147 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6150 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6152 * Makefile.in: Removed rotted odf.c entry.
6154 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6157 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6158 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6159 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6160 output pattern modifier, not %e.
6161 * config/cris/cris.c (cris_op_str): Update comment about pattern
6163 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6164 before falling through into...
6165 <case 'E'>: Redefined from old 'e' case.
6167 2006-01-11 Jan Hubicka <jh@suse.cz>
6170 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6172 2006-01-11 Jan Hubicka <jh@suse.cz>
6174 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6175 * i386.c (x86_decompose_lea): Kill.
6176 (ix86_rtx_costs): Kill.
6178 2006-01-11 Jan Hubicka <jh@suse.cz>
6180 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6181 * cgraph.h (cgraph_node): Add inline_decl.
6182 (cgraph_insert_node_to_hashtable): Declare.
6183 (save_inline_function_body): Declare.
6184 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6186 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6187 (cgraph_function_versioning): Update call of tree_function_versioning.
6188 (save_inline_function_body): New function.
6189 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6190 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6191 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6192 (cgraph_default_inline_p): Likewise.
6193 (cgraph_decide_inlining_incrementally): Likewise.
6194 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6195 (copy_bb): Kill saving; do updating of clones.
6196 (copy_cfg_body): Kill saving.
6197 (initialize_inlined-parameters): Likewise.
6198 (expand_call_inline): Likewise.
6200 (tree_function_versioning): New parameter "update_clones".
6201 (inlining_p): Kill saving.
6202 * tree-inline.h (tree_function_versioning): Update prototype.
6203 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6206 2006-01-11 Ian Lance Taylor <ian@airs.com>
6208 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6209 Allow undoing set of machine mode.
6210 (do_SUBST): Use enums instead of is_int.
6211 (do_SUBST_MODE): New function.
6212 (SUBST_MODE): New macro.
6213 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6214 reg and trying to replace reg_regno_rtx with a new register.
6215 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6216 (simplify_set): Use SUBST_MODE.
6217 (distribute_notes): Remove code that tried to update reg notes
6218 for regno_reg_rtx changes.
6220 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6222 PR tree-optimization/23109
6223 PR tree-optimization/23948
6224 PR tree-optimization/24123
6226 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6227 * tree-cfg.c (single_noncomplex_succ): New.
6228 * tree-flow.h (single_noncomplex_succ): Declare it.
6229 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6230 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6231 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6232 insert_bb, register_division_in, insert_reciprocals,
6233 replace_reciprocal, free_bb): New.
6234 (execute_cse_reciprocals_1): Rewritten.
6235 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6236 Do not commit any edge insertion. Always compute dominators and
6237 create the allocation pool.
6238 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6239 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6240 * targhooks.c (default_min_divistions_for_recip_mul): New.
6241 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6242 * passes.c (init_optimization_passes): Run recip after tree loop
6244 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6246 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6247 Kenneth Zadeck <zadeck@naturalbridge.com>
6249 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6250 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6251 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6252 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6253 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6254 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6255 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6256 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6257 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6258 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6259 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6260 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6261 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6262 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6263 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6264 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6265 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6266 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6267 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6268 DF_SCAN_POST_ALLOC): New macros.
6269 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6270 df_free_bb_function, df_local_compute_function, df_init_function,
6271 df_dataflow_function, df_confluence_function_0,
6272 df_confluence_function_n, df_transfer_function,
6273 df_finalizer_function, df_free_function, df_dump_problem_function,
6274 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6275 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6276 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6277 df_urec_bb_info, ) New types.
6278 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6280 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6281 df_analyze_simple_change_some_blocks,
6282 df_analyze_simple_change_one_block, df_compact_blocks,
6283 df_bb_replace, df_bb_regno_last_use_find,
6284 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6285 df_insn_regno_def_p, df_find_def, df_find_use,
6286 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6287 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6288 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6289 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6290 debug_df_chain, df_get_dependent_problem, df_chain_create,
6291 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6292 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6293 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6294 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6295 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6296 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6297 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6298 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6299 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6300 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6301 df_reorganize_refs, df_set_state, df_hard_reg_init,
6302 df_read_modify_subreg_p) New public functions.
6303 * df-core.c: The core dataflow solver and glue routines for rtl
6305 (df_init, df_add_problem, df_set_blocks, df_finish,
6306 df_hybrid_search_forward, df_hybrid_search_backward,
6307 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6308 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6309 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6310 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6311 df_reg_defined, df_find_use, df_reg_used, df_dump,
6312 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6313 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6314 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6315 debug_df_useno, reset_df_after_reload): New functions.
6316 * df-scan.c: The scanning fuctions, once in df.c, completely
6317 rewritten so that they now fully model the functionality of
6318 register usage at the backend.
6319 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6320 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6321 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6322 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6323 df_get_artificial_defs, df_get_artificial_uses,
6324 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6325 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6326 df_refs_delete, df_reorganize_refs, df_set_state,
6327 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6328 df_def_record_1, df_defs_record, df_uses_record,
6329 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6330 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6331 df_record_exit_block_uses, df_hard_reg_init): New functions.
6333 * df-problems.c: Seven concrete dataflow problems that use the
6334 scanning in df-scan.c and are solved by the engine in df-core.c.
6335 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6336 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6337 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6338 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6339 df_ru_free_bb_info, df_ru_alloc,
6340 df_ru_bb_local_compute_process_def,
6341 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6342 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6343 df_ru_transfer_function, df_ru_free, df_ru_dump,
6344 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6345 df_rd_free_bb_info, df_rd_alloc,
6346 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6347 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6348 df_rd_transfer_function, df_rd_free, df_rd_dump,
6349 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6350 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6351 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6352 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6353 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6354 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6355 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6356 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6357 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6358 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6359 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6360 df_urec_mark_reg_use_for_earlyclobber,
6361 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6362 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6363 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6364 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6365 df_chain_create_bb_process_use, df_chain_create_bb,
6366 df_chain_finalize, df_chain_free, df_chains_dump,
6367 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6368 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6369 df_reg_lifetime): New functions.
6370 * df.c: Deleted file.
6371 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6372 consistent with new df api.
6373 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6374 rest_of_handle_sms): Ditto.
6375 * web.c (unionfind_union, union_defs, entry_register, web_main):
6377 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6378 invariant_expr_equal_p, find_defs, check_dependencies,
6379 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6380 free_inv_motion_data, move_loop_invariants): Ditto.
6381 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6382 Update dependencies.
6383 (odf.c): Added defective entry that was deleted later in day.
6384 * sched-deps.c (sched_analyze_1): Ditto.
6386 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6388 * tree-ssa-operands.c (get_expr_operands): Record addressable
6389 variables directly. Do not call add_stmt_operands for CONST_DECLs
6391 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6392 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6394 2006-01-11 Ben Elliston <bje@au.ibm.com>
6396 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6397 function returns true in the positive case.
6399 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6402 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6403 for SI, DI, SF and DF modes. Add alternatives to copy between
6404 general and floating point registers to the 32-bit patterns.
6405 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6406 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6407 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6408 generating 64-bit code.
6409 * config/pa/pa.c (output_move_double): Handle copies between general
6410 and floating registers.
6412 2006-01-10 Stuart Hastings <stuart@apple.com>
6414 * config/i386/i386.md (set_got): Update.
6415 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6416 (builtin_setjmp_receiver): Mach-O support.
6417 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6418 (GOT_SYMBOL_NAME): Define.
6419 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6420 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6421 * config/i386/i386.c (override_options): Revise for Darwin.
6422 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6423 support. (darwin_x86_file_end): New. (output_set_got): Add label
6424 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6425 * config/i386/i386-protos.h (output_set_got): Likewise.
6426 * config/darwin.c (machopic_legitimize_pic_address): Update
6429 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6431 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6432 when MODE isn't BLKmode.
6434 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6436 PR rtl-optimization/25367
6437 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6439 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6442 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6443 for a negative bound.
6445 2006-01-10 Richard Guenther <rguenther@suse.de>
6447 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6448 Never override with anything constraint.
6450 2006-01-10 Jan Beulich <jbeulich@novell.com>
6452 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6453 256 bits when optimize_size.
6455 2006-01-10 Jan Beulich <jbeulich@novell.com>
6457 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6459 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6460 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6463 2006-01-10 Ben Elliston <bje@au.ibm.com>
6465 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6467 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6468 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6469 (USE_FP_FOR_ARG): Reject decimal float modes.
6470 (function_arg_advance): Likewise.
6471 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6472 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6473 point types in AltiVec vectors.
6474 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6475 (rs6000_libcall_value): Likewise.
6477 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6479 * config/xtensa/ieee754-df.S: New file.
6480 * config/xtensa/ieee754-sf.S: New file.
6481 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6482 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6483 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6485 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6487 * config/sh/predicates.md (binary_float_operator,
6488 binary_logical_operator, commutative_float_operator,
6489 equality_comparison_operator, greater_comparison_operator,
6490 less_comparison_operator, logical_operator,
6491 noncommutative_float_operator, shift_operator,
6492 symbol_ref_operand, unary_float_operator): Remove redundant
6495 2006-01-09 Jeff Law <law@redhat.com>
6497 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6498 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6499 now unused arguments. Callers updated.
6500 (eliminate_redundant_computations): Remove now unused arguments,
6502 (local_fold): Remove, no longer used.
6503 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6505 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6506 (simplify_cond): New function.
6507 (forward_propagate_into_cond): Call simplify_cond.
6509 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6511 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6512 (*vec_extractv2di_1_sse): New.
6514 2006-01-09 Ben Elliston <bje@au.ibm.com>
6516 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6518 2006-01-08 Richard Guenther <rguenther@suse.de>
6520 * tree-ssa-structalias.c (get_constraint_for): Remove
6522 (get_constraint_for_component_ref): Likewise.
6523 (do_deref): Likewise.
6524 (get_constraint_for): Likewise.
6525 (do_structure_copy): Likewise.
6526 (handle_ptr_arith): Likewise.
6527 (find_func_aliases): Likewise. Remove unused need_anyoffset
6530 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6531 Kaz Kojima <kkojima@gcc.gnu.org>
6533 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6534 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6535 (EXTRA_CONSTRAINT_C16): Remove.
6536 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6537 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6538 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6539 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6540 constants of SHmedia. Handle nested constant expressions of
6542 (andcosts): Fix the costs for SHmedia constants.
6543 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6544 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6545 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6546 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6547 (movv4hi_i, movv2si_i): Likewise.
6548 (movsi_const): Adjust the second operand of ior so to match with
6550 (movdi_const, movdi_const_32bit): Likewise.
6551 (movdi_const_16bit+1): Don't sign-extend LOW.
6552 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6554 (*double_shori): Fix the split condition. Use GEN_INT instead
6555 of get_int_mode calls. Mask lower 16-bit of the argument of
6557 (sym2GOTPLT): Remove.
6558 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6560 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6561 instead of EXTRA_CONSTRAINT_C16.
6563 2006-01-07 Ian Lance Taylor <ian@airs.com>
6564 David Edelsohn <edelsohn@gnu.org>
6566 PR rtl-optimization/25662
6567 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6568 for constant operands instead of simplify_gen_binary.
6569 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6570 after trying simplify_binary_operation
6572 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6574 * tree.c (iterative_hash_expr): Hash decls based on UID.
6576 2006-01-06 Eric Christopher <echristo@apple.com>
6578 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6579 (TARGET_UNWIND_EMIT): Fix spelling.
6580 * target.h (gcc_target): Add except_table_label.
6581 * except.c (output_function_exception_table): Use.
6582 * varasm.c (default_emit_except_table_label): New.
6583 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6585 (asm_out): Add here.
6586 * output.h (default_emit_except_table_label): Prototype.
6587 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6588 * config/darwin.c (darwin_emit_except_table_label): Define.
6589 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6591 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6593 PR tree-optimization/18527
6594 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6595 number_of_iterations_special, number_of_iterations_exit):
6596 Move base and step of an iv to a single structure. Add
6597 no_overflow flag, and use it in # of iterations analysis.
6598 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6599 folded_casts argument.
6600 (simple_iv): Pass base and step in a structure. Set no_overflow
6602 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6603 Evaluate expensiveness of computing # of iterations instead of
6604 the final expression.
6605 * tree-scalar-evolution.h (affine_iv): New structure.
6606 (simple_iv): Declaration changed.
6607 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6608 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6609 find_givs_in_stmt): Changed due to simple_iv change.
6611 2006-01-06 Jeff Law <law@redhat.com>
6614 * tree-cfg.c (bsi_replace): Rename final argument from
6615 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6616 change (stmt -> orig_stmt).
6617 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6618 (bsi_remove): Add new argument. Remove EH information
6620 (verify_eh_throw_table_statements): New function.
6621 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6623 * tree-optimize.c (execute_free_cfg_annotations): Verify
6624 the EH throw statement table after removing annotations.
6625 * except.h (verify_eh_throw_table_statements): Prototype.
6626 * tree-flow.h (bsi_remove): Update prototype.
6627 * tree-vrp.c (remove_range_assertions): Add new argument to
6629 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6630 * tree-complex.c (expand_complex_div_wide): Likewise.
6631 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6632 * tree-tailcall.c (eliminate_tailcall): Likewise.
6633 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6634 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6635 * tree-nrv.c (tree_nrv): Likewise.
6636 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6637 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6638 (combine_blocks): Likewise.
6639 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6640 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6641 (cleanup_control_flow): Likewise.
6642 (remove_forwarder_block): Likewise.
6643 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6644 * tree-sra.c (sra_replace): Likewise.
6645 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6646 (forward_propagate_single_use_vars): Likewise.
6647 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6648 * tree-inline.c (expand_call_inline): Likewise.
6649 * tree-vect-transform.c (vect_transform_loop): Likewise.
6650 * tree-outof-ssa.c (rewrite_trees): Likewise.
6651 * tree-cfg.c (make_goto_expr_edges): Likewise.
6652 (cleanup_dead_labels): Likewise.
6653 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6654 (bsi_move_before, bsi_move_after): Likewise.
6655 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6656 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6658 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6661 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6663 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6664 on non gimple variables. Also add checks at the top for decls and
6666 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6668 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6669 and IMAGPART_EXPR for creating MUST_DEFs.
6670 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6671 and NAME_MEMORY_TAG separately from the DECLs.
6673 2006-01-06 Richard Guenther <rguenther@suse.de>
6675 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6676 annotation, if necessary.
6677 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6678 redundant calls to update_stmt.
6679 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6682 2006-01-05 Richard Henderson <rth@redhat.com>
6684 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6686 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6688 * c-typeck.c: Update copyright date.
6690 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6692 * c-typeck.c (build_c_cast): Always warn when casting
6693 from a pointer to an integer of different size, even if
6694 the node was constant.
6696 2006-01-05 Richard Guenther <rguenther@suse.de>
6698 PR tree-optimization/22555
6699 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6700 if one structure field is an array.
6701 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6702 operands even if we found a subvar, but ignore VOPs in this
6704 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6706 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6708 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6711 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6713 2006-01-05 Richard Guenther <rguenther@suse.de>
6714 Diego Novillo <dnovillo@redhat.com>
6716 * tree-pass.h (TODO_remove_unused_locals): Define.
6717 * gimple-low.c (expand_var_p, remove_useless_vars,
6718 pass_remove_useless_vars): Remove. Update all users.
6719 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6720 (remove_unused_locals): New function.
6721 * tree-flow.h (remove_unused_locals): Declare.
6722 * passes.c (execute_todo): Call remove_unused_locals if
6723 TODO_remove_unused_locals is set.
6724 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6725 * tree-ssa-dce.c (pass_dce): Likewise.
6726 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6728 2006-01-05 Richard Guenther <rguenther@suse.de>
6730 * tree-flow.h (struct fieldoff): Decompose field to
6731 type, size and decl.
6732 * tree-ssa-alias.c (create_sft): Take type as parameter.
6733 (create_overlap_variables_for): Store type, size and decl
6734 in the fieldoff structure.
6735 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6737 (push_fields_onto_fieldstack): Likewise.
6738 (create_variable_info_for): Likewise. Use offset for the
6739 SFT name if the decl is not available.
6741 2006-01-04 Paul Brook <paul@codesourcery.com>
6743 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6745 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6747 * lambda-code.c (can_put_in_inner_loop): Relax
6749 (can_put_after_inner_loop): New function.
6750 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6751 (perfect_nestify): Change to make copies and modify uses.
6753 2006-01-04 Richard Henderson <rth@redhat.com>
6755 Merge from gomp branch:
6756 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6757 via integer constant.
6758 (pragma_lex): Remove.
6759 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6760 rather than parsing it.
6761 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6762 handle_pragma_extern_prefix): Add %< %> quotes.
6763 (registered_pragmas): New.
6764 (c_register_pragma_1): New.
6765 (c_register_pragma): Use it.
6766 (c_register_pragma_with_expansion): Likewise.
6767 (c_invoke_pragma_handler): New.
6768 (init_pragma): Use cpp_register_deferred_pragma directly for
6770 * c-pragma.h (enum pragma_kind): New.
6771 (pragma_handler): New.
6772 (c_invoke_pragma_handler): Declare.
6773 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6775 * c-common.h (c_common_pch_pragma): Update decl.
6776 * Makefile.in (c-parser.o): Update dependencies.
6777 (GTFILES): Add c-pragma.h.
6778 * c-parser.c (struct c_token): Add pragma_kind.
6779 (struct c_parser): Add in_pragma.
6780 (c_lex_one_token): Always initialize keyword and pragma_kind.
6781 Extract data for CPP_PRAGMA.
6782 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6783 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6784 Don't allow CPP_PRAGMA_EOL if in_pragma.
6785 (c_parser_consume_pragma): New.
6786 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6787 (c_parser_skip_to_end_of_parameter): Likewise.
6788 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6789 (c_parser_skip_to_pragma_eol): New.
6790 (c_parser_external_declaration): Handle CPP_PRAGMA.
6791 (c_parser_compound_statement_nostart): Likewise.
6792 (c_parser_statement_after_labels): Likewise.
6793 (c_parser_pragma): New.
6794 (pragma_lex): Likewise.
6795 (c_parser_pragma_pch_preprocess): New.
6796 (c_parser_new): Merge into ...
6797 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6799 2006-01-04 Jeff Law <law@redhat.com>
6802 * tree-cfg.c (bsi_replace): Remove the original statement
6803 from the EH throw statement table.
6805 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6807 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6808 make the prototype extern "C" and add throw ().
6811 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6812 and pos non-negative and pos + len <= 32.
6813 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6814 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6815 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6818 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6819 as well as sizes not multiple of component size.
6822 * function.c (instantiate_expr): New function.
6823 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6824 walk its DECL_VALUE_EXPR with instantiate_expr.
6826 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6827 DW_OP_deref{,_size} if address isn't going to be added.
6829 2006-01-04 Ben Elliston <bje@au.ibm.com>
6831 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6832 * config/fp-bit.c: Likewise.
6834 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6836 * dominance.c: Add comment about why we use DFS numbering
6839 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6840 Richard Henderson <rth@redhat.com>
6842 Merge from gomp-branch:
6843 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6844 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6846 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6848 PR rtl-optimization/25578
6849 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6850 pass a parameter to simplify_shift_const if changing ASHIFTRT
6853 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6855 * builtins.c (get_builtin_sync_mem): New function.
6856 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6857 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6858 Call get_builtin_sync_mem to generate mem rtx.
6860 2006-01-03 Richard Guenther <rguenther@suse.de>
6863 * stmt.c (add_case_node): Make sure to clear overflow flags
6866 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6868 Merge from gomp-branch.
6869 * config/sparc/sync.md: New file.
6870 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6871 UNSPECV_LDSTUB): New constants.
6872 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6873 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6874 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6877 2006-01-03 Roger Sayle <roger@eyesopen.com>
6879 * combine.c (reg_subword_p): New predicate to test whether the
6880 destination of a set refers to a subword/piece of a register.
6881 (try_combine): Generalize the code to merge the setting of a
6882 pseudo to a constant followed by a set of a subword of that
6883 register to a constant.
6885 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6887 * basic-block.h (control_flow_graph): Change the type of
6888 x_label_to_block_map to VEC(basic_block,gc) *.
6889 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6890 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6892 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6893 VEC(basic_block,heap) *.
6894 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6895 ssa_prop_fini): Adjust the uses of cfg_blocks.
6897 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6899 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6901 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6902 hashing trees instead of a pointer hash.
6903 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6904 compare for MEM_EXPR.
6906 PR rtl-optimization/25130
6907 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6908 when comparing MEMs for GCSE
6910 2006-01-03 Ben Elliston <bje@au.ibm.com>
6912 * targhooks.h (default_decimal_float_supported_p): Declare.
6913 * targhooks.c (default_decimal_float_supported_p): Define.
6914 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6915 `default_decimal_float_supported_p'.
6916 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6918 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6920 * combine.c (apply_distributive_law <SUBREG>): Check
6921 TRULY_NOOP_TRUNCATION.
6923 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6925 * dwarf2out.c (have_switched_text_section): Delete.
6926 (have_multiple_function_sections): New.
6927 (have_location_lists): Make 'bool'.
6928 (add_AT_loc_list): Use 'true' not '1'.
6929 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6930 (output_loc_list): Use have_multiple_function_sections.
6931 (output_ranges): Likewise.
6932 (dwarf2out_begin_function): Set have_multiple_function_sections if
6934 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6935 Check function_section rather than DECL_SECTION_NAME.
6936 (dwarf2out_finish): Use have_multiple_function_sections.
6937 Don't clear have_location_lists.
6939 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6940 Jan Hubicka <jh@suse.cz>
6942 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6943 case of conditional jump jumping to the next instruction.
6944 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6945 cases of conditional jump jumping to the next instruction.
6947 2006-01-02 Jan Hubicka <jh@suse.cz>
6949 * i386.c (*_cost): Add COSTS_N_INSNS.
6950 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6952 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6955 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6957 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6959 * config/arm/arm.c (all_fpus): Fix comment typo.
6960 * config/darwin.c: Likewise.
6961 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6962 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6963 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6965 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6967 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6968 (rs6000_split_compare_and_swapqhi): New.
6969 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6970 (sync_compare_and_swapqhi_internal): New.
6971 * config/rs6000/rs6000-protos.h: Declare.
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