1 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4 (-dL, -fdump-rtl-loop2): Update the dump file names
6 * doc/invoke.texi: Update dump file names.
8 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10 * predict.c (estimate_probability): Remove.
11 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12 * basic-block.h (estimate_probability): Remove prototype.
13 * passes.c (finish_optimization_passes): Dump branch prediction or
14 profiling heuristics to the .profile tree dump.
15 (init_optimization_passes): Unqueue pass_branch_prob.
17 * doc/invoke.texi (-fdump-rtl-bp): Remove.
19 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
21 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
22 * rtl.h (LABEL_NEXTREF): Remove field accessor.
24 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
26 * function.h (frame_offset_overflow): Declare.
27 * function.c (frame_offset_overflow): New function.
28 (assign_stack_local_1): Call it to detect that the offset overflows.
29 * cfgexpand.c (alloc_stack_frame_space): Likewise.
31 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
33 * config/sh/sh.c: Include alloc-pool.h.
34 (label_ref_list_pool): New alloc pool.
35 (label_ref_list_t): New type for lists of labels.
36 (struct pool_node): Make wend a label_ref_list_t.
37 (add_constant): Use the new type, eradicate LABEL_NEXTREF
39 (dump_table): Likewise.
40 (sh_reorg): Set up the alloc pool before using add_constant and
41 dump_table, and destroy it when finishing.
43 2006-03-11 Richard Sandiford <richard@codesourcery.com>
45 * config/mips/mips.c: Remove redundant comment.
47 2006-03-10 Jason Merrill <jason@redhat.com>
50 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
51 the target was declared 'register'.
53 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
55 * genpreds.c (write_insn_constraint_len): Change definition of
56 insn_constraint_len to return size_t to match the declaration.
58 2006-03-10 DJ Delorie <dj@redhat.com>
60 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
62 (m32c_expand_insv): Fix test for an AND mask.
64 2006-03-10 Richard Guenther <rguenther@suse.de>
67 * builtins.c (get_pointer_alignment): Handle component
68 references for field alignment.
70 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
72 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
73 when building with libgloss.
74 (sh*elf): Implement --without-fp option.
75 (sh64-superh-linux*): Don't multilib.
77 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
79 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
81 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
83 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
84 Set it when one of the replacement functions returned true.
85 Return TODO_cleanup_cfg if cfgchanged is true.
86 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
88 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
90 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
91 instead of gen_lowpart.
93 2006-03-09 Richard Sandiford <richard@codesourcery.com>
95 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
97 (mips_output_order_conditional_branch): Declare.
98 * config/mips/mips.h (MIPS_BRANCH): New macro.
99 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
100 for the comparison. Use gen_condjump.
101 (mips_output_conditional_branch): Rework interface to take the
102 asm templates for a direct branch and the inverse of a direct branch.
103 (mips_output_order_conditional_branch): New function.
104 (mips_builtin_branch_and_move): New function.
105 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
106 branch condition. Use gen_single_cc as the condition for
107 __builtin_mips_upper_* or __builtin_mips_lower_*.
108 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
109 Use VOIDmode for the branch condition.
110 * config/mips/predicates.md (order_operator): New predicate.
111 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
112 (branch_fp): Rename to...
113 (*branch_fp): ...this. Remove mode from comparison operator.
114 Use new mips_output_conditional_branch interface.
115 (branch_fp_inverted): Rename to...
116 (*branch_fp_inverted): ...this and update as for *branch_fp.
117 (*branch_zero<mode>): Rename to...
118 (*branch_order<mode>): ...this. Remove mode from comparison operator.
119 Use mips_output_order_conditional_branch. Only accept ordered
121 (*branch_zero<mode>_inverted): Rename to...
122 (*branch_order<mode>_inverted): ...this and update as for
124 (*branch_equality<mode>): Accept zero as the second operand to
125 the equality operator. Use the new mips_output_conditional_branch
127 (*branch_equality<mode>_inverted): Likewise.
128 (condjump): New expander.
129 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
131 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
132 (bc1any2t, bc1any2f): Likewise.
133 (single_cc): New expander.
134 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
136 2006-03-09 Richard Sandiford <richard@codesourcery.com>
138 * doc/md.texi: Update documentation of MIPS constraints.
139 * config/mips/constraints.md: New file.
140 * config/mips/mips.md: Include it.
141 * config/mips/mips.c (mips_char_to_class): Delete.
142 (override_options): Don't initialize mips_char_to_class.
143 * config/mips/mips.h (mips_char_to_class): Delete.
144 (REG_CLASS_FROM_LETTER): Delete.
145 (CONST_OK_FOR_LETTER_P): Delete.
146 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
147 (EXTRA_CONSTRAINT_Y): Delete.
148 (EXTRA_CONSTRAINT_STR): Delete.
149 (CONSTRAINT_LEN): Delete.
150 (EXTRA_MEMORY_CONSTRAINT): Delete.
152 2006-03-09 Diego Novillo <dnovillo@redhat.com>
154 * tree-cfg.c (move_block_to_fn): Remove the statements from the
155 original fn's eh regions.
157 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
159 * fold-const.c (build_range_check): Make sure to use a valid type to
160 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
163 (range_predecessor): New static function.
164 (range_successor): Likewise.
165 (merge_ranges): Use them to compute predecessors and successors of
168 2006-03-09 Roger Sayle <roger@eyesopen.com>
171 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
172 X op C3, consider whether C3 overflows towards +Inf or -Inf.
174 2006-03-08 DJ Delorie <dj@redhat.com>
176 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
177 (addpsi3): Expand to include memory operands. Remove
178 reload-specific splits.
179 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
180 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
181 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
182 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
183 (shift1_qi, shift1_hi, insv): New.
184 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
185 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
186 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
188 * config/m32c/m32c-protos.h: Update as needed.
189 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
190 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
191 Fail for unrecognized R* constraints.
192 (m32c_cannot_change_mode_class): Be more picky about pseudos.
193 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
194 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
196 (m32c_init_libfuncs): New.
197 (m32c_legitimate_address_p): Add debug wrapper.
198 (m32c_rtx_costs): New.
199 (m32c_address_cost): New.
200 (conversions): Add 'B' prefix.
201 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
202 operands, or word regnames for QI operands. 'B' prints bit
204 (m32c_expand_setmemhi): New.
205 (m32c_expand_movmemhi): New.
206 (m32c_expand_movstr): New.
207 (m32c_expand_cmpstr): New.
208 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
209 (m32c_expand_neg_mulpsi3): Handle non-ints.
210 (m32c_cmp_flg_0): New.
211 (m32c_expand_movcc): New.
212 (m32c_expand_insv): New.
213 (m32c_scc_pattern): New.
214 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
216 (STORE_FLAG_VALUE): New.
217 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
220 * config/m32c/mov.md: Make constraints more liberal.
221 (zero_extendqihi2): Optimize r0/r1 case.
222 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
223 * config/m32c/predicates.md (m32c_any_operand): New.
224 (m32c_nonimmediate_operand): New.
225 (m32c_hl_operand): New.
226 (m32c_r3_operand): New.
229 (memsym_operand): New.
230 (memimmed_operand): New.
232 (m32c_eqne_operator): New.
233 (m32c_1bit8_operand): New.
234 (m32c_1bit16_operand): New.
235 (m32c_1mask8_operand): New.
236 (m32c_1mask16_operand): New.
237 * config/m32c/blkmov.md: New file.
238 * config/m32c/t-m32c (MD_FILES): Add blkmov.
240 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
242 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
243 unsigned to fix signed/unsigned comparison issue in
244 DWARF2_FRAME_REG_OUT.
245 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
246 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
248 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
249 of ptr into the ENABLE_CHECKING section.
251 2006-03-08 Jeff Law <law@redhat.com>
253 * tree-vrp.c (infer_value_range): Only count pointer uses
254 and dereferences if -fdelete-null-pointer-checks is enabled.
256 * tree-vrp.c (find_assert_locations): Infer value ranges for
257 single use pointers, but do not create ASSERT_EXPRs for them.
258 When a non-null range is inferred for a pointer, backwards
259 propagate that range to other equivalent pointers through the
262 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
265 * Makefile.in (dvi, html, install-info): Invoke the corresponding
266 language hook targets.
267 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
268 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
269 if language hook targets were missing.
271 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
273 * tree-ssa-opfinalize.h: Removed.
274 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
276 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
277 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
278 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
279 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
280 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
281 finalize_ssa_v_must_def_ops): New.
283 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
285 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
288 2006-03-07 Geoffrey Keating <geoffk@apple.com>
290 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
292 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
293 addresses with offsets; reorganize.
295 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
296 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
297 (expand_builtin_init_dwarf_reg_sizes): Likewise.
299 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
302 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
304 2006-03-08 Ben Elliston <bje@au.ibm.com>
306 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
308 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
311 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
314 2006-03-07 Richard Guenther <rguenther@suse.de>
316 PR tree-optimization/26587
317 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
319 2006-03-07 Richard Sandiford <richard@codesourcery.com>
321 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
323 2006-03-07 Richard Sandiford <richard@codesourcery.com>
325 * hooks.c (hook_bool_mode_rtx_true): New function.
326 * hooks.h (hook_bool_mode_rtx_true): Declare.
327 * toplev.c (compile_file): Call output_shared_constant_pool.
328 * varasm.c (shared_constant_pool): New variable.
329 (assemble_start_function, assemble_end_function): Remove arguments
330 from call to output_constant_pool.
331 (create_constant_pool): New function, split out from...
332 (init_varasm_status): ...here.
333 (force_const_mem): Choose between the shared and per-function constant
334 pools. Set current_function_uses_const_pool when reusing old entries
335 as well as when creating new ones.
336 (mark_constant): Ignore data argument.
337 (mark_constants): Remove pool argument.
338 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
339 to decide whether the function uses a constant pool.
340 (output_constant_pool_contents): New function, split out from...
341 (output_constant_pool): ...here.
342 (output_shared_constant_pool): New function.
343 (init_varasm_once): Initialize shared_constant_pool.
344 * output.h (output_constant_pool): Delete.
345 (output_shared_constant_pool): Declare.
346 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
347 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
349 2006-03-06 Nick Clifton <nickc@redhat.com>
351 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
352 flag_strength_reduce.
354 2006-03-06 Ben Elliston <bje@au.ibm.com>
356 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
357 x86_64-*-linux* configurations.
359 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
360 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
362 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
364 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
366 * basic-block.h: Remove the extern for
367 rediscover_loops_after_threading.
369 * cfgloop.c (cancel_loop): Make it static.
370 * cfgloop.h: Remove the prototype for cancel_loop.
372 * flow.c (recompute_reg_usage): Make it static.
373 * rtl.h: Remove the prototype for recompute_reg_usage.
375 * function.c (use_return_register): Make it static.
376 * function.h: Remove the prototype.
378 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
380 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
382 * recog.h: Remove the prototype for
383 validate_change_maybe_volatile.
385 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
387 * rtlanal.c (replace_reg): Remove.
388 * rtl.h: Remove the prototype for replace_reg.
390 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
392 * regclass.c (reg_scan_update): Remove.
393 (reg_scan_mark_refs): Remove the last argument.
394 * rtl.h: Remove the prototype for reg_scan_update.
396 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
398 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
399 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
400 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
401 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
402 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
403 loop-invariant.c, omp-low.c, opts.c, passes.c,
404 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
405 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
406 tree-ssa-structalias.c, tree-ssa-threadedge.c,
407 tree-ssa-threadupdate.c, tree-vect-patterns.c,
408 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
409 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
411 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
413 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
414 * dwarf2out.h: Remove the prototype for
415 dwarf2out_add_library_unit_info.
417 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
419 * tree.c (add_var_to_bind_expr): Remove.
420 * tree.h: Remove the prototype for add_var_to_bind_expr.
422 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
424 * regclass.c (n_non_fixed_regs): Remove.
425 (init_reg_sets_1, globalize_reg): Remove all uses of
427 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
429 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
431 * rtlanal.c (insns_safe_to_move_p): Remove.
432 * rtl.h: Remove the prototype for insns_safe_to_move_p.
434 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
436 * expmed.c (expand_mult_add): Remove.
437 * expr.h: Remove the prototype for expand_mult_add.
439 2006-03-04 Jakub Jelinek <jakub@redhat.com>
441 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
442 and REG_SAVED_VAL_EXP constants.
443 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
444 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
445 Handle regs stored by value.
446 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
447 (execute_cfa_program): Handle DW_CFA_val_offset,
448 DW_CFA_val_offset_sf and DW_CFA_val_expression.
449 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
450 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
451 (uw_install_context_1): Handle target regs stored by value.
453 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
455 * tree-sra.c (tree_sra): Return todoflags;
456 (generate_one_element): Set TODO_update_smt_usage if needed.
457 (pass_sra): Remove TODO_update_smt_usage.
458 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
460 (tree_ssa_forward_propagate_single_use_vars): Return
461 TODO_update_smt_usage if we need to update SMT usage.
462 (pass_forwprop): Remove TODO_update_smt_usage.
464 2006-03-03 Diego Novillo <dnovillo@redhat.com>
466 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
467 (correct_use_link): Remove reference to get_stmt_operands.
468 (update_stmt_operands): Likewise.
469 (get_modify_expr_operands): New function factored out of
470 parse_ssa_operands and get_expr_operands.
471 Try to create V_MUST_DEFs for LHS by default.
472 (get_expr_operands) <case MODIFY_EXPR>: Call
473 get_modify_expr_operands.
474 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
475 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
476 (parse_ssa_operands) <case MODIFY_EXPR>: Call
477 get_modify_expr_operands.
479 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
481 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
482 * tree-flow.h: Remove the prototype for
483 referenced_var_lookup_if_exists.
485 2006-03-03 Steve Ellcey <sje@cup.hp.com>
487 PR rtl-optimization/26345
489 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
491 2006-03-03 Roger Sayle <roger@eyesopen.com>
493 PR tree-optimization/26524
494 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
495 fold_convert to create a constant of the appropriate type.
497 2006-03-03 Richard Sandiford <richard@codesourcery.com>
499 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
500 SYMBOL_REF_IN_BLOCK_P.
501 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
502 of SYMBOL_FLAG_IN_BLOCK.
503 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
504 instead of SYMBOL_REF_IN_BLOCK_P.
505 * explow.c (use_anchored_address): Likewise.
506 * rtl.c (rtx_size): Likewise.
507 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
508 instead of SYMBOL_FLAG_IN_BLOCK.
509 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
510 SYMBOL_REF_IN_BLOCK_P.
511 (assemble_variable): Likewise.
512 (output_constant_def_contents): Likewise.
513 (output_constant_pool): Likewise.
514 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
515 instead of SYMBOL_FLAG_IN_BLOCK.
516 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
517 SYMBOL_REF_IN_BLOCK_P.
518 (SYMBOL_REF_BLOCK): Likewise.
519 (SYMBOL_REF_OFFSET): Likewise.
520 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
521 SYMBOL_REF_IN_BLOCK_P.
522 (SYMBOL_FLAG_IN_BLOCK): Replace with...
523 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
524 (SYMBOL_REF_IN_BLOCK_P): Replace with...
525 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
527 2006-03-03 Jakub Jelinek <jakub@redhat.com>
529 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
531 2006-03-02 Roger Sayle <roger@eyesopen.com>
533 * simplify-rtx.c (simplify_unary_operation): When simplifying
534 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
535 that we perform the right shift in the appropriate mode, and
536 then extend or truncate the result to requested mode.
538 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
540 * gengtype.c (main): Handle double_int type.
541 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
542 * double-int.c: New file.
543 * double-int.h: New file.
544 * system.h: Include doubleint.h.
545 * Makefile.in (SYSTEM_H): Include double-int.h.
548 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
551 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
554 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
556 * tree-vrp.c (remove_range_assertions): Do not update statements
559 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
561 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
563 * gcse.c (rest_of_handle_gcse): Ditto.
564 * except.c (gate_handle_eh): Ditto.
565 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
566 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
568 2006-03-02 Eric Christopher <echristo@apple.com>
570 * config/i386/i386.c (machopic_output_stub): Add indirection to
573 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
577 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
579 Sun Niagara specific optimizations.
580 * config.gcc: Recognize niagara as target.
581 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
582 (TARGET_CPU_niagara): Define.
583 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
584 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
585 (CPP_CPU_SPEC): Handle -mcpu=niagara.
586 (ASM_CPU_SPEC): Likewise.
587 (PROCESSOR_NIAGARA): New enum entry.
588 (REGISTER_MOVE_COST): Handle Niagara.
589 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
590 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
591 (sparc_override_options): Recognize "niagara", set appropriate
592 default MASK_* values for it, and align functions to 32-bytes
593 by default just like ULTRASPARC/ULTRASPARC3.
594 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
595 (sparc64_initialize_trampoline): Likewise.
596 (sparc_use_sched_lookahead): Use zero for niagara.
597 (sparc_issue_rate): Use one for niagara.
598 * config/sparc/niagara.md: New file.
599 * config/sparc/sparc.md: Include it.
600 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
601 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
602 when default cpu is niagara.
603 (CPP_CPU_SPEC): Handle -mcpu=niagara.
604 (ASM_CPU_SPEC): Likewise.
605 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
606 when default cpu is niagara.
607 (ASM_CPU_SPEC): Handle -mcpu=niagara.
608 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
609 just like v9/ultrasparc/ultrasparc3.
610 * doc/invoke.texi: Add documentation for "niagara" and improve
611 existing documentation for ultrasparc variants.
613 2006-03-02 Diego Novillo <dnovillo@redhat.com>
615 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
617 2006-03-02 Richard Sandiford <richard@codesourcery.com>
619 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
620 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
621 and say that only one is needed.
622 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
623 * target.h (have_switchable_bss_sections): New hook.
624 * explow.c (use_anchored_address): Check that the symbol is in a block.
625 * varasm.c (tls_comm_section, comm_section, lcomm_section)
626 (bss_noswitch_section): New variables.
627 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
628 (get_noswitch_section): New function.
629 (get_block_for_section): Allow SECT to be null.
630 (unlikely_text_section_p): Use SECTION_STYLE.
631 (bss_initializer_p): New function.
632 (get_variable_section): Move earlier in file. Take a new argument,
633 prefer_noswitch_p. Move bss checks from assemble_variable to here.
634 Return one of the new *_sections in such cases.
635 (get_block_for_decl): New function, extracting some logic from
636 use_blocks_for_decl_p.
637 (change_symbol_section): Remove in favor of...
638 (change_symbol_block): ...this new function.
639 (use_blocks_for_decl_p): Remove checks now performed by
641 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
642 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
643 (emit_local, emit_bss, emit_common): ...these new functions.
644 Return true if the alignment was honored.
645 (emit_tls_common): New function.
646 (asm_emit_uninitialised): Delete.
647 (assemble_variable_noswitch): New function, split out from...
648 (assemble_variable): ...here. Don't make decisions about common
649 variables here. Globalize all public decls that go into non-common
650 sections. Check whether SYMBOL_REF_BLOCK is null.
651 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
652 (output_constant_pool): Likewise.
653 (init_varasm_once): Initialize the new section variables.
654 (have_global_bss_p): New function.
655 (categorize_decl_for_section): Use bss_initializer_p.
656 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
657 (place_block_symbol): Assert that the symbol must be in a block.
658 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
659 (TARGET_INITIALIZER): Include it.
660 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
661 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
662 (SECTION_MACH_DEP): Bump by two.
663 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
664 (unnamed_section): Mention SECTION_UNNAMED in comment.
665 (named_section): Likewise SECTION_NAMED.
666 (noswitch_section_callback): New type.
667 (noswitch_section): New structure.
668 (section): Add a noswitch_section alternative.
669 (SECTION_STYLE): New macro.
670 (tls_comm_section, comm_section, lcomm_section): Declare.
671 (bss_noswitch_section, have_global_bss_p): Declare.
672 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
673 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
675 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
676 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
679 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
681 * gcc/tree-vrp.c (execute_vrp): Return value.
682 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
683 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
684 * gcc/tree-complex.c (tree_lower_complex): Ditto.
685 (tree_lower_complex_O0): Ditto.
686 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
687 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
688 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
689 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
690 (execute_tail_calls): Ditto.
691 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
692 * gcc/tree.h (init_function_for_compilation): Ditto.
693 * gcc/ipa-cp.c (ipcp_driver): Ditto.
694 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
695 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
696 * gcc/final.c (compute_alignments): Ditto.
697 (rest_of_handle_final): Ditto.
698 (rest_of_handle_shorten_branches): Ditto.
699 (rest_of_clean_state): Ditto.
700 * gcc/omp-low.c (execute_expand_omp): Ditto.
701 (execute_lower_omp): Ditto.
702 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
703 * gcc/ipa-reference.c (static_execute): Ditto.
704 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
705 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
706 (rest_of_handle_machine_reorg): Ditto.
707 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
708 * gcc/flow.c (recompute_reg_usage): Ditto.
709 (rest_of_handle_remove_death_notes): Ditto.
710 (rest_of_handle_life): Ditto.
711 (rest_of_handle_flow2): Ditto.
712 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
713 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
714 (do_ssa_store_ccp): Ditto.
715 (execute_fold_all_builtins): Ditto.
716 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
717 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
718 * gcc/ipa-pure-const.c (static_execute): Ditto.
719 * gcc/cse.c (rest_of_handle_cse): Ditto.
720 (rest_of_handle_cse2): Ditto.
721 * gcc/web.c (rest_of_handle_web): Ditto.
722 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
723 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
724 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
725 * gcc/tree-nrv.c (tree_nrv): Ditto.
726 (execute_return_slot_opt): Ditto.
727 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
728 (create_structure_vars): Ditto.
729 * gcc/loop-init.c (rtl_loop_init): Ditto.
730 (rtl_loop_done): Ditto.
731 (rtl_move_loop_invariants): Ditto.
732 (rtl_unswitch): Ditto.
733 (rtl_unroll_and_peel_loops): Ditto.
735 * gcc/gimple-low.c (lower_function_body): Ditto.
736 (mark_used_blocks): Ditto.
737 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
738 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
739 (cgraph_early_inlining): Ditto.
740 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
741 * gcc/jump.c (cleanup_barriers): Ditto.
742 (purge_line_number_notes): Ditto.
743 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
744 (rest_of_handle_if_after_reload): Ditto.
745 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
746 (tree_ssa_loop_im): Ditto.
747 (tree_ssa_loop_unswitch): Ditto.
748 (tree_vectorize): Ditto.
749 (tree_linear_transform): Ditto.
750 (tree_ssa_loop_ivcanon): Ditto.
751 (tree_ssa_empty_loop): Ditto.
752 (tree_ssa_loop_bounds): Ditto.
753 (tree_complete_unroll): Ditto.
754 (tree_ssa_loop_prefetch): Ditto.
755 (tree_ssa_loop_ivopts): Ditto.
756 (tree_ssa_loop_done): Ditto.
757 * gcc/predict.c (tree_estimate_probability): Ditto.
758 * gcc/recog.c (split_all_insns_noflow): Ditto.
759 (rest_of_handle_peephole2): Ditto.
760 (rest_of_handle_split_all_insns): Ditto.
761 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
762 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
763 (rest_of_handle_stack_adjustments): Ditto.
764 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
765 * gcc/function.c (instantiate_virtual_regs): Ditto.
766 (init_function_for_compilation): Ditto.
767 (rest_of_handle_check_leaf_regs): Ditto.
768 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
769 (rest_of_handle_gcse): Ditto.
770 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
771 * gcc/alias.c (rest_of_handle_cfg): Ditto.
772 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
773 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
774 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
775 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
776 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
777 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
778 * gcc/except.c (set_nothrow_function_flags): Ditto.
779 (convert_to_eh_region_ranges): Ditto.
780 (rest_of_handle_eh): Ditto.
781 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
782 (remove_unnecessary_notes): Ditto.
783 * gcc/except.h (set_nothrow_function_flags): Ditto.
784 (convert_to_eh_region_ranges): Ditto.
785 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
786 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
787 * gcc/tree-ssa-pre.c (do_pre): Ditto.
788 (execute_fre): Ditto.
789 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
790 (rest_of_handle_jump2): Ditto.
791 * gcc/tree-sra.c (tree_sra): Ditto.
792 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
793 (execute_mudflap_function_decls): Ditto.
794 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
795 (do_store_copy_prop): Ditto.
796 * gcc/ipa-prop.h (ipcp_driver): Ditto.
797 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
798 * gcc/tree-ssa-forwprop.c
799 (tree_ssa_forward_propagate_single_use_vars): Ditto.
800 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
801 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
802 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
803 (execute_late_warn_uninitialized): Ditto.
804 * gcc/rtl.h (cleanup_barriers): Ditto.
805 (split_all_insns_noflow): Ditto.
806 (purge_line_number_notes): Ditto.
807 (unshare_all_rtl): Ditto.
808 (remove_unnecessary_notes): Ditto.
809 (recompute_reg_usage): Ditto.
810 (variable_tracking_main): Ditto.
811 * gcc/integrate.c (emit_initial_value_sets): Ditto.
812 * gcc/integrate.h (emit_initial_value_sets): Ditto.
813 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
814 (execute_free_cfg_annotations): Ditto.
815 (execute_fixup_cfg): Ditto.
816 (execute_cleanup_cfg_pre_ipa): Ditto.
817 (execute_cleanup_cfg_post_optimizing): Ditto.
818 (execute_init_datastructures): Ditto.
819 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
820 * gcc/combine.c (rest_of_handle_combine): Ditto.
821 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
822 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
823 (rest_of_handle_reorder_blocks): Ditto.
824 (rest_of_handle_partition_blocks): Ditto.
825 * gcc/var-tracking.c (variable_tracking_main): Ditto.
826 * gcc/tree-profile.c (tree_profiling): Ditto.
827 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
828 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
829 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
830 (rest_of_handle_sched2): Ditto.
831 * gcc/basic-block.h (free_bb_insn): Ditto.
832 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
833 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
834 (remove_useless_stmts): Ditto.
835 (split_critical_edges): Ditto.
836 (execute_warn_function_return): Ditto.
837 (execute_warn_function_noreturn): Ditto.
838 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
839 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
840 * gcc/passes.c (execute_one_pass): Run additional
841 todos returned by execute function.
842 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
845 2006-03-02 Richard Guenther <rguenther@suse.de>
847 * tree-ssa-alias.c (find_used_portions): Consider taking
848 the address as making the variable not write-only.
850 2006-03-02 Nick Clifton <nickc@redhat.com>
852 * config.gcc (default_use_cxa_atexit): Extend the description of
853 this configure variable. Set its default value to "yes" for
854 Linux, NetBSD and ELF targets on the assumption that they will
855 use C libraries with the __cxa_atexit function.
857 2006-03-02 Ben Elliston <bje@au.ibm.com>
859 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
860 parameter as unused to suppress a build warning.
862 2006-03-02 Ben Elliston <bje@au.ibm.com>
864 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
867 2006-03-01 Roger Sayle <roger@eyesopen.com>
870 * gthr-posix.h (__gthrw2): Define to take three parameters, the
871 declared name, the weak reference name, and the typeof name.
872 (__gthrw): Avoid expanding the declared name suffix.
873 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
875 2006-03-01 Jakub Jelinek <jakub@redhat.com>
877 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
879 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
880 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
881 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
882 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
883 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
884 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
885 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
886 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
887 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
888 DW_DS_leading_separate, DW_DS_trailing_separate): New.
889 (DW_END_default, DW_END_big, DW_END_little): New.
890 (DW_END_lo_user, DW_END_hi_user): Define.
891 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
892 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
893 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
896 2006-03-01 Diego Novillo <dnovillo@redhat.com>
898 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
900 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
902 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
904 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
906 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
909 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
912 2006-03-01 Roger Sayle <roger@eyesopen.com>
914 * builtins.c (fold_builtin_copysign): Delete unreachable code.
916 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
919 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
920 MACHO_DYNAMIC_NO_PIC_P.
921 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
923 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
926 * config/darwin-protos.h (darwin_asm_output_anchor):
928 * config/darwin-sections.def (cstring_section):
929 Add SECTION_MERGE to the flags.
930 (literal4_section): Likewise.
931 (literal8_section): Likewise.
932 (objc_selector_refs_section): Likewise.
933 (objc_cls_refs_section): Likewise.
934 * config/darwin.c (darwin_asm_output_anchor): New
936 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
938 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
940 Fix PR tree-optimization/26443
941 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
942 to todo and PROP_tmt_usage to properties_destroyed.
943 * tree-ssa-ccp.c (pass_ccp): Ditto.
944 (pass_store_ccp): Ditto.
945 * tree-ssa-dom.c (pass_dominator): Ditto.
947 2006-03-01 Diego Novillo <dnovillo@redhat.com>
949 * tree-ssa-operands.c: Cleanup whitespace.
950 (get_asm_expr_operands): Move before first invocation.
951 (get_indirect_ref_operands): Likewise.
952 (get_tmr_operands): Likewise.
953 (get_call_expr_operands): Likewise.
954 (append_def): Likewise.
955 (append_use): Likewise.
956 (append_v_may_def): Likewise.
957 (append_v_must_def): Likewise.
958 (add_call_clobber_ops): Likewise.
959 (add_call_read_ops): Likewise.
960 (add_stmt_operand): Likewise.
961 (add_virtual_operand): Likewise.
962 (build_ssa_operands): Likewise.
964 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
969 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
970 with a call expr to ...
971 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
973 2006-03-01 Diego Novillo <dnovillo@redhat.com>
975 * tree-vrp.c (extract_range_from_assert): Remove special
976 handling for types with super-types.
978 2006-03-01 Ben Elliston <bje@au.ibm.com>
980 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
981 and powerpc64-*-linux* configurations.
982 * config/t-dfprules: New file.
984 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
985 Compile dfp-bit.c from the source directory using -DWIDTH and
986 $DFP_CFLAGS to control the compilation of that file, rather than
987 generating width-specific versions in the build directory.
988 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
989 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
991 2006-02-28 Zack Weinberg <zackw@panix.com>
993 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
996 2006-02-28 Eric Christopher <echristo@apple.com>
998 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
999 Set up IN_LIBGCC definition of TARGET_64BIT.
1000 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
1002 2006-02-28 Roger Sayle <roger@eyesopen.com>
1005 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
1006 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
1007 cases via the construction of "expr != 0".
1009 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1011 * alias.c (alias_invariant, alias_invariant_size): Remove.
1012 (record_base_value): Remove.
1013 (memrefs_conflict_p): Don't look at alias_invariant.
1014 (end_alias_analysis): Don't free it.
1015 * alias.h (record_base_value): Remove prototype.
1017 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
1018 Adam Nemet <anemet@caviumnetworks.com>
1020 * rtl.h (truncated_to_mode): Declare it.
1021 (struct rtl_hooks): Add reg_truncated_to_mode hook.
1022 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
1023 (RTL_HOOKS_INITIALIZER): Include it.
1024 * rtlhooks.c (reg_truncated_to_mode_general): New function.
1025 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
1026 reg_truncated_to_mode.
1027 * rtlanal.c (truncated_to_mode): Define it.
1028 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1030 2006-02-28 Jeff Law <law@redhat.com>
1032 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
1033 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
1034 the range allowed by TYPE_PRECISION.
1036 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
1038 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
1040 PR tree-optimization/26419
1041 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
1044 2006-02-27 Zack Weinberg <zackw@panix.com>
1046 * doc/md.texi: Fix typo in previous change.
1048 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
1052 2006-02-27 Zack Weinberg <zackw@panix.com>
1054 * rtl.def (define_constraint, define_register_constraint)
1055 (define_memory_constraint, define_address_constraint): New MD forms.
1056 * gensupport.c (process_rtx): Put define_constraint etc on the
1058 * genpreds.c (process_define_predicate): Adjust comment. Validate
1059 the name, and call validate_exp to validate the expression.
1060 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1061 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1062 all callers changed.
1063 (validate_exp, needs_variable, struct constraint_data)
1064 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1065 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1066 (const_dbl_constraints, constraint_max_namelen)
1067 (have_register_constraints, have_memory_constraints)
1068 (have_address_constraints, have_address_constraints)
1069 (have_extra_constraints, have_const_int_constraints)
1070 (have_const_dbl_constraints, mangle, add_constraint)
1071 (process_define_constraint, process_define_register_constraint)
1072 (write_enum_constraint_num, write_lookup_constraint)
1073 (write_insn_constraint_len, write_regclass_for_constraint)
1074 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1075 (write_insn_extra_memory_constraint)
1076 (write_insn_extra_address_constraint)
1077 (write_satisfies_constraint_fns): New.
1078 (write_tm_preds_h): If we have new-style constraint definitions,
1079 prototype the functions generated from them, and define the
1080 old constraint interface (still used by generic code) in terms of
1082 (write_insn_preds_c): If we have new-style constraint definitions,
1083 generate all relevant functions from those definitions.
1084 (main): Handle define_constraint etc.
1085 * genoutput.c (struct constraint_data, indep_constraints)
1086 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1087 (mdep_constraint_len): New data structures and functions, defined
1088 #ifdef USE_MD_CONSTRAINTS.
1089 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1090 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1091 use new logic to validate operand constraints against constraint
1093 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1095 * defaults.h: If none of the old-style constraint macros are
1096 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1097 old-style macros; and poison REG_CLASS_FROM_LETTER,
1098 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1100 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1101 * doc/md.texi: Document new constraint-definition mechanism and the
1102 C interface it provides. Remove references to old mechanism
1103 elsewhere in the document.
1104 (Machine Constraints): Use pathnames relative to gcc directory,
1105 i.e. config/ARCH/FILE. Change i386 section to refer to
1106 config/i386/predicates.md; update that section to match docstrings.
1107 * doc/tm.texi: Move all documentation of the old constraint-
1108 definition macros to their own section, clearly mark as obsolete.
1110 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1111 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1113 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1114 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1115 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1117 (splits and peepholes): Use satisfies_constraint_*.
1118 * config/i386/i386.c (memory_address_length)
1119 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1121 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1123 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1124 scalar operation to be put back into the loop.
1126 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1129 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1130 (extract_cie_info): Handle S flag in augmentation string.
1131 (execute_cfa_program): If context->signal_frame, execute also
1132 fs->pc == context->ra instructions.
1133 (uw_frame_state_for): If context->signal_frame, don't subtract one
1134 from context->ra to find FDE.
1135 (uw_update_context_1): Set context->signal_frame to
1137 (_Unwind_GetIPInfo): New function.
1138 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1139 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1141 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1142 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1143 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1144 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1145 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1146 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1147 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1148 x86_64_fallback_frame_state): Set fs->signal_frame.
1149 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1150 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1151 (frob_update_context): Likewise. Workaround missing S flag in
1152 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1153 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1154 Remove the psw_addr + 1 hack.
1156 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1158 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1159 with aggregates here.
1160 (find_func_aliases): Remove code for &<aggregate> from here.
1162 2006-02-26 Roger Sayle <roger@eyesopen.com>
1164 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1165 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1166 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1169 2006-02-26 Roger Sayle <roger@eyesopen.com>
1172 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1174 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1176 * opts.c (decode_options): Do not handle flag_strength_reduce.
1177 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1178 and OPT_fstrength_reduce.
1179 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1180 flag_prefetch_loop_arrays for being nonzero.
1181 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1183 (fprefetch-loop-arrays-rtl): Removed.
1184 (flag_prefetch_loop_arrays): Do not specify the value.
1186 * doc/passes.texi: Update documentation of loop optimizer
1188 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1189 -frerun-loop-opt): Remove.
1191 2006-02-26 Richard Guenther <rguenther@suse.de>
1193 PR tree-optimization/26421
1194 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1195 in function calls that are ADDR_EXPRs as using the whole structure.
1197 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1199 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1200 * tree-pass.h (pass_loop_optimize): Remove.
1201 * passes.c (pass_loop_optimize): Never run it.
1202 * toplev.c (backend_init): Don't call init_loop.
1203 * opts.c (flag_loop_optimize_set): Remove.
1204 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1205 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1206 the old RTL loop optimizer when profiling enabled.
1207 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1208 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1209 pre-headers for the sake of the old RTL loop optimizer.
1210 * Makefile.in: Remove all references to loop.o.
1212 * doc/invoke.texi: Remove all references to -floop-optimize
1213 and -frerun-loop-opt.
1215 2006-02-26 Zack Weinberg <zackw@panix.com>
1217 * doc/md.texi (Machine Constraints): Refer to all files with paths
1218 relative to gcc directory (i.e. config/CPU/file). Add missing
1219 @table @code ... @end table to M32C subsection.
1221 2006-02-26 Roger Sayle <roger@eyesopen.com>
1223 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1225 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1227 2006-02-26 Roger Sayle <roger@eyesopen.com>
1228 James A. Morrison <phython@gcc.gnu.org>
1231 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1232 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1233 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1234 signedness of the shift operation.
1236 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1238 PR tree-optimization/26359
1239 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1241 2006-02-25 Roger Sayle <roger@eyesopen.com>
1243 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1244 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1245 as X == 0, and some symmetry related transformations.
1246 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1248 2006-02-25 Roger Sayle <roger@eyesopen.com>
1251 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1252 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1253 symmetry related transformations. Fold (X^C1) == C2 as
1256 2006-02-25 Juergen Weigert <jw@suse.de>
1257 Richard Guenther <rguenther@suse.de>
1259 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1261 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1263 * combine.c (gen_lowpart_or_truncate): Call
1264 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1266 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1268 * doc/invoke.texi: Move -fopenmp description to "Options for
1270 Remove reference to -lgomp.
1272 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1274 * doc/install.texi: Require GNU tar version 1.14.
1276 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1278 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1279 * doc/invoke.texi (C++ Dialect Options): Document
1280 -fno-use-cxa-get-exception-ptr.
1281 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1282 * configure: Regenerate.
1283 * c.opt (fuse-cxa-get-exception-ptr): New.
1284 * c-opts.c (c_common_handle_option): Handle
1285 OPT_fuse_cxa_get_exception_ptr.
1286 * c-common.c (flag_use_cxa_atexit): Update documentation.
1287 (flag_use_cxa_get_exception_ptr): New.
1288 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1289 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1291 (C_COMMON_OVERRIDE_OPTIONS): New.
1293 2006-02-24 Roger Sayle <roger@eyesopen.com>
1296 * combine.c (try_combine): Explicitly check whether GET_CODE is
1297 a SET or a CLOBBER, instead on checking that it isn't a USE.
1299 2006-02-24 Roger Sayle <roger@eyesopen.com>
1301 * fold-const.c (fold_comparison): New subroutine of fold_binary
1302 containing transformations common to both the equality and
1303 ordering relational operators, factored out of fold_binary.
1304 (fold_binary): Separate out the equality operators (EQ_EXPR
1305 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1306 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1307 transformations common to both.
1308 (fold_div_compare): Fix latent bugs in the previously unreachable
1309 LT_EXPR and GE_EXPR cases.
1311 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1313 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1314 decl libname for clog to __clog on AIX.
1316 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1318 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1321 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1322 output traceback table for thunks. Localise rs6000_stack_info call.
1324 2006-02-23 Roger Sayle <roger@eyesopen.com>
1325 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1327 * gthr-posix.h (__gthrw): Fix typo in comment.
1329 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1331 * doc/cpp.texi (Character sets): Document that we do support
1332 input files to be in any character set.
1334 2006-02-23 Jeff Law <law@redhat.com>
1336 * tree.h (PHI_ARG_NONZERO): Remove.
1337 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1338 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1339 node to the new node.
1341 PR tree-optimization/26425
1342 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1343 min/max, then assume its varying.
1345 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1347 PR rtl-optimization/26316
1348 * rtlanal.c (enum may_trap_p_flags): New.
1349 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1350 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1351 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1352 (may_trap_after_code_motion_p): New function.
1353 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1354 (find_invariant_insn): Use may_trap_after_code_motion_p.
1355 * rtl.h (may_trap_after_code_motion_p): Declare.
1357 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1359 * emit-rtl.c (immed_double_const): Cleanup.
1361 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1363 Fix PR tree-optimization/26376
1364 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1367 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1370 * gimplify.c (omp_add_variable): Guard variable size decl test with
1371 DECL_SIZE (decl) check.
1373 2006-02-23 Richard Guenther <rguenther@suse.de>
1376 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1377 like aggregate types.
1379 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1381 * configure.ac: Add --with{,out}-long-double-128 configure option.
1382 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1383 * configure: Rebuilt.
1384 * config.in: Rebuilt.
1385 * doc/install.texi (Options specification): Document
1386 --with-long-double-128.
1388 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1389 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1390 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1391 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1393 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1395 * config/s390/s390.c (override_options): Handle
1396 TARGET_DEFAULT_LONG_DOUBLE_128.
1398 * config/alpha/alpha.c (override_options): Handle
1399 TARGET_DEFAULT_LONG_DOUBLE_128.
1401 * config/sparc/sparc.c (sparc_override_options): Handle
1402 TARGET_DEFAULT_LONG_DOUBLE_128.
1404 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1406 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1407 (real-install-headers-tar, real-install-headers-cpio)
1408 (real-install-headers-cp): New targets.
1410 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1412 * tree.h (variable_section): Delete.
1413 * varasm.c (variable_section): Delete.
1415 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1417 * install.texi: Add notes on install.texi2html.
1418 (Building in parallel): Do not use footnotes.
1420 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1423 * doc/install.texi (Configuration): Document --disable-libgomp.
1425 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1427 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1429 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1431 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1432 (vec_extractv2df_0_sse): New.
1434 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1436 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1437 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1438 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1439 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1440 to the result of the expression.
1441 (def_cfa_1): Adjust.
1442 (frame_pointer_cfa_offset): Rename to...
1443 (frame_pointer_fb_offset): ... this. Adjust all uses.
1444 (convert_cfa_to_loc_list): Rename to...
1445 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1446 Pass it on to build_cfa_loc.
1447 (compute_frame_pointer_to_cfa_displacement): Rename to...
1448 (compute_frame_pointer_to_fb_displacement): ... this. New
1449 offset parameter. Use it in computation.
1450 (gen_subprogram_die): Compute cfa_fb_offset with the new
1451 macro, and use it to compute the fb loc list and the
1454 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1456 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1457 replaced with register_operand.
1458 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1459 non-DREG is expensive.
1460 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1461 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1464 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1466 * doc/install.texi2html: Use set -e.
1468 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1470 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1471 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1472 * doc/invoke.texi (-fshared-data): Delete.
1473 * common.opt (fshared-data): Delete.
1474 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1475 (assemble_static_space): Remove #if 0 code.
1476 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1477 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1478 * config/cris/cris.h: Remove FIXME.
1480 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1482 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1485 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1488 * combine.c (simplify_shift_const_1): Disable nested shifts
1489 optimization for vector shifts.
1491 2006-02-20 Roger Sayle <roger@eyesopen.com>
1493 PR tree-optimization/26361
1494 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1495 of unsigned integer types.
1497 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1499 * tree-chrec.c (eq_evolutions_p): New.
1500 * tree-chrec.h (eq_evolutions_p): Declared.
1501 * tree-data-ref.c: Fix formatting.
1502 (datadep_stats, dependence_stats): New.
1504 (print_direction_vector): New.
1505 (dump_data_dependence_relation): Use print_direction_vector.
1506 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1507 (compute_subscript_distance): Static.
1508 (initialize_data_dependence_relation): Static. Get the number
1509 of loops surrounding the references from the callers, and initialize
1510 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1511 base_object_differ_p analyzers.
1512 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1513 compute_overlap_steps_for_affine_1_2,
1514 analyze_subscript_affine_affine): Count the classified dependences.
1515 Print a message when a test failed.
1516 (can_use_analyze_subscript_affine_affine): New.
1517 (analyze_siv_subscript): Compute the data dependences on symbolic
1518 scevs that verify can_use_analyze_subscript_affine_affine.
1519 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1520 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1521 Handle symbolic scevs.
1522 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1524 (subscript_dependence_tester): Moved...
1525 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1526 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1527 DDR_SIZE_VECT instead of getting it in parameter.
1528 (subscript_dependence_tester): ... here. Take as a parameter
1529 loop_nest_depth. Call build_classic_dist_vector and
1530 build_classic_dir_vector.
1531 (compute_affine_dependence): Update subscript_dependence_tester
1532 parameters. Update datadep_stats counters. Call
1533 compute_subscript_distance.
1534 (compute_self_dependence): Save the dist and dir vectors. Call
1535 compute_subscript_distance.
1536 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1537 (compute_all_dependences): Reorder parameters as they were before
1538 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1539 compute_subscript_distance. Update the use of
1540 compute_affine_dependence and initialize_data_dependence_relation.
1541 (find_data_references_in_loop): Handle COMPONENT_REF.
1542 (compute_data_dependences_for_loop): Initialize dependence_stats.
1543 Don't call build_classic_dist_vector and build_classic_dir_vector.
1544 Update the parameters of initialize_data_dependence_relation and
1545 compute_all_dependences. Print the statistics from datadep_stats.
1546 (analyze_all_data_dependences): Static. Not used until the pass for
1547 checking the data dependences is contributed.
1548 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1549 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1550 (initialize_data_dependence_relation, compute_affine_dependence,
1551 analyze_all_data_dependences, compute_subscript_distance): Removed.
1552 (print_direction_vector): New.
1553 * lambda.h (gcd): ... here.
1554 (lambda_vector_gcd): Moved here from gcd_vector.
1555 * lambda-code.c (gcd, gcd_vector): Removed.
1556 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1557 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1559 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1561 * ipa-type-escape.c: Tidy some comments and white space.
1562 * tree-ssa-operands.c: Likewise.
1564 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1567 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1568 (dump_decl_name): Do not walk the decl tree chains.
1569 * tree-pass.h (TDF_CHAIN): Remove.
1571 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1573 * Makefile.in (C): Remove
1575 (.PHONY): Remove C and PROTO
1577 2006-02-20 Roger Sayle <roger@eyesopen.com>
1580 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1581 deprecated CHAR_TYPE tree code.
1583 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1585 * configure.ac (target_list): Add install-info, dvi, html.
1586 * configure: Regenerate.
1588 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1589 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1590 treelang/Make-lang.in: Do not use double-colon rules.
1592 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1594 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1595 (TMT_USED_ALONE): New macro.
1596 * tree-pass.h (PROP_tmt_usage): New property.
1597 (TODO_update_tmt_usage): New todo.
1598 * tree-ssa-alias.c (updating_used_alone): New variable.
1599 (recalculate_used_alone): New function.
1600 (compute_may_aliases): Set updating_used_alone, call
1601 recalculate_used_alone.
1602 * tree-sra.c (pass_sra): Note that this pass destroys
1603 PROP_tmt_usage, and add TODO_update_tmt_usage.
1604 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1605 * tree-flow.h (updating_used_alone): Prototype.
1606 (recalculate_used_alone): Ditto.
1607 * passes.c (execute_todo): Add code to set updating_used_alone,
1608 and call recalculate.
1609 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1610 for clobber if used alone, and add assert to verify used_alone
1613 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1615 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1616 for non tls symbols added.
1617 (legitimize_address): Do nothing for PLUS expressions if one of the
1618 addends is a tls symbol reference.
1620 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1624 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1626 * Makefile.in (BOOTSTRAPPING): New.
1627 (quickstrap): New definition if BOOTSTRAPPING=yes.
1629 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1630 * configure.ac: Substitute all_selected_languages with the languages
1631 that were configured. For all the other variables except
1632 lang_specs_files, include all the languages in the tree.
1633 * configure: Regenerate.
1635 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1636 if there is one. Run the commands to run fixincludes in the same
1639 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1640 * doc/install.texi: Document exact conventions for searching target tools.
1641 Document --with-build-time-tools. Document toplevel bootstrap. Document
1642 something more about building an Ada cross-compiler. Don't list GNU Make
1643 requirements which affect all platforms.
1645 2006-02-19 Roger Sayle <roger@eyesopen.com>
1648 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1649 only equivalent if the have both the same mode and precision.
1651 2006-02-20 Ben Elliston <bje@au.ibm.com>
1653 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1655 2006-02-19 Roger Sayle <roger@eyesopen.com>
1656 Steven Bosscher <stevenb.gcc@gmail.com>
1658 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1659 constant pool references to identify stack mode constants.
1660 * rtlanal.c (constant_pool_constant_p): New predicate to check
1661 whether operand is a floating point constant in the pool.
1662 * rtl.h (constant_pool_constant_p): Prototype here.
1663 * loop.c (scan_loop): Avoid hoisting constants from the constant
1664 pool on STACK_REGS targets.
1665 (load_mems): Likewise.
1666 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1667 loads into x87 registers expensive in terms of register pressure.
1669 2006-02-19 Roger Sayle <roger@eyesopen.com>
1671 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1672 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1674 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1676 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1677 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1679 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1681 * doc/invoke.texi: Document -fipa-pta.
1682 * common.opt: Add ipa-pta option.
1683 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1684 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1685 (do_ds_constraint): Ditto.
1686 (get_constraint_for): Only add to referenced_vars if
1687 referenced_vars exists.
1688 (insert_into_field_list): Rewrite to do this unsorted.
1689 (insert_into_field_list_sorted): Rename old insert_into_field_list
1691 (create_function_info_for): Use insert_into_field_list_sorted.
1692 (create_variable_info_for): Rewrite so it uses unsorted version,
1693 since the field list is sorted.
1694 (intra_create_variable_infos): Only add to referenced_vars if
1695 referenced_vars exists.
1696 (ipa_pta_execute): Init heapvars, and delete when done.
1697 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1699 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1701 * doc/install.texi: Add missing `@samp'.
1703 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1705 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1708 2006-02-18 Mark Wielaard <mark@klomp.org>
1710 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1711 who added new 4.1 features, bug fixes and integration support.
1713 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1716 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1719 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1721 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1722 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1723 (copy_insn_1): Likewise. Don't copy each field individually.
1725 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1727 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1728 * rtl.c (rtx_size): Rename variable to...
1729 (rtx_code_size): ...this.
1730 (rtx_size): New function.
1731 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1732 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1734 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1735 * rtl.h (rtx_code_size): New variable.
1736 (rtx_size): Change from a variable to a function.
1737 (RTX_SIZE): Rename to...
1738 (RTX_CODE_SIZE): ...this.
1741 PR tree-optimization/17106
1742 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1743 (Anchored Addresses): New section.
1744 * doc/invoke.texi (-fsection-anchors): Document.
1745 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1746 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1747 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1748 * hooks.c (hook_bool_mode_rtx_false): New function.
1749 * hooks.h (hook_bool_mode_rtx_false): Declare.
1750 * gengtype.c (create_optional_field): New function.
1751 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1752 SYMBOL_REF_IN_BLOCK_P is true.
1753 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1754 (min_anchor_offset, max_anchor_offset): Likewise.
1755 (use_anchors_for_symbol_p): New hook.
1756 * toplev.c (compile_file): Call output_object_blocks.
1757 (target_supports_section_anchors_p): New function.
1758 (process_options): Check that -fsection-anchors is only used on
1759 targets that support it and when -funit-at-a-time is in effect.
1760 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1761 if the decl doesn't have one.
1762 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1763 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1764 of force_const_mem through use_anchored_address.
1765 (expand_expr_constant): New function.
1766 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1767 calling expand_expr for INDIRECT_REF.
1768 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1769 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1770 * expr.h (use_anchored_address): Declare.
1771 * loop-unroll.c: Don't declare rtx vectors here.
1772 * explow.c: Include output.h.
1773 (validize_mem): Call use_anchored_address.
1774 (use_anchored_address): New function.
1775 * common.opt (-fsection-anchors): New switch.
1776 * varasm.c (object_block_htab, anchor_labelno): New variables.
1777 (hash_section, object_block_entry_eq, object_block_entry_hash)
1778 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1779 (use_blocks_for_decl_p, change_symbol_section): New functions.
1780 (get_variable_section): New function, split out from assemble_variable.
1781 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1782 use_blocks_for_decl_p say so. Use change_symbol_section if the
1783 symbol has already been created.
1784 (assemble_variable_contents): New function, split out from...
1785 (assemble_variable): ...here. Don't output any code for
1786 block symbols; just pass them to place_block_symbol.
1787 Use get_variable_section and assemble_variable_contents.
1788 (get_constant_alignment, get_constant_section, get_constant_size): New
1789 functions, split from output_constant_def_contents.
1790 (build_constant_desc): Create a block symbol if use_object_blocks_p
1791 says so. Or into SYMBOL_REF_FLAGS.
1792 (assemble_constant_contents): New function, split from...
1793 (output_constant_def_contents): ...here. Don't output any code
1794 for block symbols; just pass them to place_section_symbol.
1795 Use get_constant_section and get_constant_alignment.
1796 (force_const_mem): Create a block symbol if use_object_blocks_p and
1797 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1798 (output_constant_pool_1): Add an explicit alignment argument.
1799 Don't switch sections here.
1800 (output_constant_pool): Adjust call to output_constant_pool_1.
1801 Switch sections here instead. Don't output anything for block symbols;
1802 just pass them to place_block_symbol.
1803 (init_varasm_once): Initialize object_block_htab.
1804 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1805 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1806 (place_block_symbol, get_section_anchor, output_object_block)
1807 (output_object_block_htab, output_object_blocks): New functions.
1808 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1809 (TARGET_ASM_OUT): Include it.
1810 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1811 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1812 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1813 (TARGET_INITIALIZER): Include them.
1814 * rtl.c (rtl_check_failed_block_symbol): New function.
1815 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1816 (block_symbol, object_block): New structures.
1817 (rtx_def): Add a block_symbol field to the union.
1818 (BLOCK_SYMBOL_CHECK): New macro.
1819 (rtl_check_failed_block_symbol): Declare.
1820 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1821 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1822 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1823 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1824 * output.h (output_section_symbols): Declare.
1825 (object_block): Name structure.
1826 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1827 (default_use_anchors_for_symbol_p): Declare.
1828 * Makefile.in (RTL_BASE_H): Add vec.h.
1829 (explow.o): Depend on output.h.
1830 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1831 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1832 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1833 (rs6000_use_blocks_for_constant_p): New function.
1835 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1837 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1839 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1842 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1845 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1847 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1851 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1854 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1855 instead of DECL_REGISTER.
1857 2006-02-18 Olivier Hainque <hainque@adacore.com>
1860 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1862 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1865 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1866 * opth-gen.awk: Handle Var and InverseMask together.
1867 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1868 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1869 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1870 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1872 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1873 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1874 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1875 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1876 LINUX_DYNAMIC_LINKER): Define.
1877 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1878 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1880 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1881 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1882 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1883 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1884 (TARGET_C99_FUNCTIONS): Don't define.
1885 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1886 GLIBC_DYNAMIC_LINKER.
1887 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1888 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1889 GLIBC_DYNAMIC_LINKER64): Define.
1890 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1891 LINUX_DYNAMIC_LINKER64.
1892 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1893 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1894 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1895 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1896 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1897 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1898 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1899 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1900 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1901 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1902 and LINUX_DYNAMIC_LINKER32.
1903 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1904 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1905 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1906 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1907 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1909 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1910 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1911 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1912 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1913 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1914 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1915 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1916 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1917 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1918 LINUX_DYNAMIC_LINKER): Define.
1919 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1920 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1921 GLIBC_DYNAMIC_LINKER64): Define.
1922 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1923 LINUX_DYNAMIC_LINKER64.
1924 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1925 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1926 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1927 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1928 LINUX_DYNAMIC_LINKER): Define.
1929 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1930 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1931 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1932 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1933 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1934 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1935 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1936 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1937 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1938 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1939 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1940 * doc/invoke.texi (-muclibc): Remove caveat about supported
1943 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1945 * doc/cpp.texi (__TIMESTAMP__): Document.
1947 2006-02-17 Roger Sayle <roger@eyesopen.com>
1950 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1951 C is one less than the width of X (and related transformations).
1952 * simplify-rtx.c (simplify_unary_operation_1): Transform
1953 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1954 depending on STORE_FLAG_VALUE, were C is one less then the
1957 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1959 Fix PR tree-optimization/26341
1960 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1961 about NAME_MEMORY_TAG's.
1963 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1966 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1967 with hardware float support, and software float support. Add fcpy
1968 alternative to hardware patterns. Add alternatives to copy between
1969 general and floating-point registers to the 32-bit pattern.
1970 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1971 secondary reload to load a QI or HI mode constant into a floating
1973 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1974 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1976 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1979 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1981 (load_macho_picbase_di): Likewise.
1983 2006-02-16 Jeff Law <law@redhat.com>
1985 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1986 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1987 (ssa_name_nonzero_p): Likewise.
1988 (get_value_range): Return NULL if VRP is not running.
1989 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1990 VRP routines do not discover a range.
1991 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1992 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1993 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1994 (tree_expr_nonnegative_p): Similarly.
1995 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1996 (restore_nonzero_vars_to_original_value): Remove.
1997 (unsafe_associative_fp_binop): Remove.
1998 (tree_ssa_dominator_optimize): Remove initialization and
1999 finalization of nonzero_vars and nonzero_vars_stack.
2000 (dom_opt_initialize_block): No longer push marker on
2002 (dom_opt_finalize_block): No longer call
2003 restore_nonzero_vars_to_original_value.
2004 (record_equivalences_from_phis): No longer look for
2005 nonzero PHI arguments.
2006 (cprop_into_successor_phis): No longer propagate nonzero
2007 property into PHI arguments. Lose unused argument. Caller
2009 (record_equivalences_from_stmt): No longer record nonzero
2010 values for SSA_NAMEs.
2011 (lookup_avail_expr): No longer use nonzero_vars.
2013 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
2014 for sizetype when sizetype is unsigned.
2016 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
2018 PR rtl-optimization/25603
2019 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
2020 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
2021 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
2022 with new meaning of SETS.
2024 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
2029 * config/linux.opt: New file.
2030 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2031 LINUX_DYNAMIC_LINKER): Define.
2032 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
2033 * config.gcc (*-*-linux*): Define extra_options.
2034 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
2035 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
2036 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
2037 GLIBC_DYNAMIC_LINKER.
2038 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
2039 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2040 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2041 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2042 * doc/invoke.texi (GNU/Linux Options): New section.
2044 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2046 * config/sparc/sparc.md (setjmp): Rewrite.
2047 (setjmp_32): Delete.
2048 (setjmp_64): Likewise.
2050 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
2052 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
2055 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2057 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2060 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2062 PR rtl-optimization/26296
2063 * Makefile.in (loop-invariant.c): Add except.h dependency.
2064 * loop-invariant.c: Include except.h.
2065 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2067 2005-02-16 Paul Brook <paul@codesourcery.com>
2069 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2072 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2074 PR rtl-optimization/25636
2075 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2076 when deciding whether an insn is an initializing insn.
2078 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2080 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2081 (tree_code_size): Ditto.
2082 * tree.h (struct tree_memory_tag): Remove parent_var.
2083 (struct tree_struct_field_tag): New.
2086 (union tree_node): Add sft member.
2087 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2089 (create_sft): Add size and offset argument, set SFT_OFFSET and
2091 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2092 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2093 * tree-flow-inline.h (get_subvar_at): Update for
2094 SFT_OFFSET/SFT_SIZE.
2095 (var_can_have_subvars): Ditto.
2096 (overlap_subvar): Ditto.
2097 * print-tree.c (print_node): Print out interesting things for
2099 * tree-flow.h (struct subvar): Remove offset and size members.
2100 * tree-ssa-operands.c (get_expr_operands): Update for
2101 get_indirect_ref_operands changes.
2102 (get_indirect_ref_operands): Call add_virtual_operand instead of
2103 add_stmt_operand. Only recurse on base var if requested.
2104 (access_can_touch_variable): New function.
2105 (add_stmt_operand): Split virtual operand handling into ...
2106 (add_virtual_operand): Here. Add offset, size, and for_clobber
2107 arguments. Prune alias sets.
2108 (add_call_clobber_ops): Call add_virtual_operand.
2110 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2113 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2115 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2116 than TREE_CODE as index into omp_clause_num_ops array.
2118 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2120 PR rtl-optimization/26184
2121 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2123 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2124 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2125 must_precede, must_follow and tobe_scheduled.
2128 * opts.c (common_handle_option): Free new_option pointer.
2129 * df-core.c (df_analyze): Free postorder pointer.
2131 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2133 * Makefile.in: Fix the examples about the use of stamps
2135 2006-02-15 Michael Matz <matz@suse.de>
2139 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2140 influenced by maximum_field_alignment or DECL_PACKED.
2141 (update_alignment_for_field): Ditto.
2142 (place_field): Ditto.
2143 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2146 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2148 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2149 (debug_flow_info): Pass it.
2150 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2151 * bb-reorder.c (reorder_basic_blocks): Likewise.
2152 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2153 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2154 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2155 * gcse.c (gcse_main, bypass_jumps): Likewise.
2156 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2157 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2158 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2159 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2160 * rtl.h (dump_flow_info): Adjust prototype.
2161 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2162 * var-tracking.c (variable_tracking_main): Likewise.
2163 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2164 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2167 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2169 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2172 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2174 PR tree-optimization/26209
2175 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2176 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2178 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2180 2006-02-14 Roger Sayle <roger@eyesopen.com>
2183 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2184 (X,Y) and the corresponding symmetry related transformations.
2185 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2186 (X,Y) and its symmetry related transformations.
2188 2006-02-14 Roger Sayle <roger@eyesopen.com>
2190 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2193 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2195 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2197 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2200 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2201 support COMDAT group.
2202 * configure: Regenerate.
2204 2006-02-14 Roger Sayle <roger@eyesopen.com>
2209 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2211 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2213 Fix PR tree-optimization/26260
2215 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2217 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2218 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2219 * tree-ssa-structalias.c (create_variable_info_for): Use
2220 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2222 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2224 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2226 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2227 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2228 of the ending condition.
2229 * tree-ssa-loop-manip.c: Include params.h.
2230 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2231 tree_unroll_loop): New functions.
2232 * tree-pass.h (pass_loop_prefetch): Declare.
2233 * loop.c (rest_of_handle_loop_optimize): Test for
2234 -fprefetch-loop-arrays-rtl.
2235 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2236 * timevar.def (TV_TREE_PREFETCH): New timevar.
2237 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2238 pass_loop_prefetch): New.
2239 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2240 (cleanup_tree_cfg_loop): Call scev_reset.
2241 * common.opt (fprefetch-loop-arrays-rtl): Add.
2242 * tree-ssa-loop-prefetch.c: New file.
2243 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2244 (new_temp_expr_table): Initialize expr_vars.
2245 (free_temp_expr_table): Cleanup expr_vars.
2246 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2247 expressions from being merged into one.
2248 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2249 (struct tree_niter_desc): Add control, bound and cmp fields.
2250 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2252 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2253 (tree-cfgcleanup.o): Add SCEV_H dependency.
2254 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2255 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2257 2006-02-14 Richard Guenther <rguenther@suse.de>
2259 PR tree-optimization/26258
2260 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2261 in PHI argument processing.
2263 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2265 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2266 new expression in the requested machine mode.
2268 2006-02-13 Roger Sayle <roger@eyesopen.com>
2270 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2271 directly, instead let do_compare_rtx_and_jump handle this for us.
2272 * expr.c (expand_expr_real_1): Likewise.
2273 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2274 before do_jump_by_parts_greater.
2275 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2276 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2278 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2280 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2282 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2284 PR rtl-optimization/26235
2285 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2286 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2289 2006-02-13 Jeff Law <law@redhat.com>
2291 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2294 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2297 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2298 twice if decl is a builtin. When trying again, call get_callee_fndecl
2299 first to verify it is still a builtin.
2301 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2303 * dwarf2out.c (base_type_die): Don't add AT_name here.
2304 (subrange_type_die): Don't add AT_name here.
2305 (modified_type_die): Rearrange code flow. Do add AT_name here.
2307 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2309 PR rtl-optimization/26247
2310 PR rtl-optimization/26248
2311 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2313 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2315 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2316 * config/fixtfdi.c: Likewise.
2317 * config/fixunstfdi.c: Likewise.
2318 * config/floatditf.c: Likewise.
2320 2006-02-13 Roger Sayle <roger@eyesopen.com>
2323 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2324 into (X,C2) if C1 is a subset of the bits of C2. Transform
2325 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2327 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2329 2006-02-13 Josh Conner <jconner@apple.com>
2332 * varasm.c (function_section): Check for section name before
2333 calling select_section on targets that define
2334 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2335 unlikely_text_section instead of hot_function_section if
2336 first_function_block_is_cold.
2338 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2341 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2343 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2345 PR rtl-optimization/26222
2346 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2347 after tree->rtl expansion.
2348 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2349 before passing it to emit_move_insn.
2351 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2353 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2355 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2356 Clarify documentation.
2357 * c-common.h (warn_write_strings): Remove.
2358 * c-common.c (warn_write_strings): Likewise.
2359 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2362 2006-02-12 Roger Sayle <roger@eyesopen.com>
2365 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2366 (do_jump_parts_zero_rtx): New function renamed from
2367 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2368 (do_jump_parts_equality_rtx): New function split out from
2369 do_jump_parts_equality. Old implementation renamed as above.
2370 Call do_jump_parts_zero_rtx if either operand is zero.
2371 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2372 do all of the heavy lifting.
2373 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2374 calling either do_jump_by_parts_greater_rtx or
2375 do_jump_by_parts_equality_rtx.
2376 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2377 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2378 moved to do_compare_rtx_and_jump, call it directly.
2379 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2380 mode argument. Call do_compare_rtx_and_jump.
2381 (emit_case_nodes): Update calls to do_jump_if_equal.
2383 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2385 PR rtl-optimization/26225
2386 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2388 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2390 PR rtl-optimization/26232
2391 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2393 2006-02-11 Jason Merrill <jason@redhat.com>
2396 * tree-inline.c (declare_return_variable): Just don't use the
2397 modify target if it's a gimple complex reg and the return slot
2400 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2402 * doc/contrib.texi: Update my entry.
2404 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2406 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2408 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2410 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2413 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2415 * doc/invoke.texi (-floop-optimize2): Removed.
2416 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2417 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2418 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2419 * common.opt (floop-optimize2): Removed.
2420 (fmove-loop-invariants): Enabled by default.
2422 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2424 * tree-if-conv.c (combine_blocks): Free the result of
2425 get_loop_exit_edges.
2427 2006-02-10 Jeff Law <law@redhat.com>
2429 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2431 PR tree-optimization/26213
2432 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2433 loop trying to follow SSA_NAME_VALUE chains.
2435 2006-02-10 Richard Guenther <rguenther@suse.de>
2437 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2438 deal with structures that end in implicitly variable sized arrays.
2440 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2442 PR rtl-optimization/24762
2443 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2446 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2448 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2449 (struct ivopts_data): Add regs_used field.
2450 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2451 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2452 instead of loop_data->regs_used;
2453 (free_loop_data): Do not free aux fields for loops.
2454 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2455 and tree_ssa_iv_optimize_finalize.
2457 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2459 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2461 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2464 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2465 computing the effective result type.
2467 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2470 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2471 (tree_overlaps_hard_reg_set): Declare.
2472 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2473 type and signature to match function type expected by walk_tree.
2474 (tree_overlaps_hard_reg_set): New function.
2475 (decl_conflicts_with_clobbers_p): Rename to:
2476 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2477 Use tree_overlaps_hard_reg_set. Changed caller.
2478 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2479 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2480 * cris.c (cris_md_asm_clobbers): Likewise.
2482 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2484 * reload1.c (emit_input_reload_insns): Delete code that tries to
2485 inherit using find_equiv_reg.
2487 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2489 * c-common.h (flag_const_strings): Don't declare.
2490 * c-common.c (flag_const_strings): Remove.
2491 * c.opt (fconst_strings): Remove.
2492 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2493 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2494 (c_common_init_options): Don't set flag_const_strings.
2495 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2497 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2499 * arm.md (tlobits_cbranch): New pattern.
2500 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2501 testing a single bit.
2503 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2506 * tree-ssa-pre.c (create_component_ref_by_pieces):
2507 Handle RETURN_DECL like VAR_DECL.
2509 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2512 * fold-const.c (fold_indirect_ref_1): Fold
2513 "*(foo *)&complexfoo" to "__real__ complexfoo"
2514 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2516 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2518 * tree-flow-inline.h (var_can_have_subvars):
2519 Volatile variables should not have subvariables.
2521 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2524 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2525 multiplying unsigned values.
2528 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2530 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2532 2006-02-08 Jason Merrill <jason@redhat.com>
2535 * tree.def: Elaborate on difference from MODIFY_EXPR.
2536 * doc/c-tree.texi (INIT_EXPR): Likewise.
2537 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2538 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2539 (gimplify_target_expr): Likewise.
2540 (gimplify_cond_expr): Remove target handling.
2541 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2542 (gimplify_expr): Clobber it here.
2543 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2544 Do return slot optimization if we have an INIT_EXPR.
2547 * tree-inline.c (declare_return_variable): Also clear
2548 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2551 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2554 * gimplify.c (gimplify_one_sizepos): Fix typo.
2556 2006-02-08 Jeff Law <law@redhat.com>
2558 PR tree-optimization/21417
2559 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2560 across a backedge if the control statement at the end of the
2561 block is data dependent on other statements in the same block.
2562 (record_temporary_equivalences_from_stmts): Remove over-conservative
2563 test for threading across backedges.
2565 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2566 control statement, handle all three special cases in the same
2567 manner as they all have the same desired solution. No longer
2568 special case edge flag updating when the post dominator is
2571 2006-02-08 Roger Sayle <roger@eyesopen.com>
2573 * tree.def (CHAR_TYPE): Remove.
2574 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2575 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2576 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2577 (gen_string_type_die): Delete unreachable function.
2579 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2580 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2581 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2582 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2583 * builtins.c (type_to_class): Likewise.
2584 * fold-const.c (fold_convert, build_range_check,
2585 merge_ranges): Likewise.
2586 * expr.c (count_type_elements): Likewise.
2587 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2588 * stor-layout.c (layout_type): Likewise.
2589 * ipa-type-escape.c (type_to_consider): Likewise.
2590 * gimplify.c (omp_firstprivatize_type_sizes,
2591 gimplify_type_sizes): Likewise.
2592 * explow.c (promote_mode): Likewise.
2593 * tree-sra.c (is_sra_scalar_type): Likewise.
2594 * varasm.c (output_constant): Likewise.
2595 * tree-inline.c (remap_type_1): Likewise.
2596 * convert.c (convert_to_pointer, convert_to_real,
2597 convert_to_integer, convert_to_complex): Likewise.
2599 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2601 * df-scan.c (df_def_record_1): A set destination may
2602 be a parallel regardless of mode.
2604 2006-02-08 Roger Sayle <roger@eyesopen.com>
2607 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2608 * config/mips/_tilib.c: Remove.
2609 * config/fixtfdi.c: New libgcc source file.
2610 * config/fixunstfdi.c: New source file.
2611 * config/floatditf.c: New source file.
2612 * config/floatunditf.c: New souce file.
2613 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2614 files above instead of config/mips/_tilib.c.
2615 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2617 2006-02-08 Jeff Law <law@redhat.com>
2619 PR tree-optimization/26169
2620 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2623 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2625 * df.h (DF_REG_SIZE): Return the length of the initialized
2628 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2630 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2631 __muldf3): Return a correctly signed zero.
2633 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2635 * passes.c (register_one_dump_file): Accept the current properties
2636 instead of pass number. Adjust call to dump_register. Remove
2638 (register_dump_files): Now a wrapper around...
2639 (register_dump_files_1): ... this one. Do not modify the pass
2641 (next_pass_1): Cosmetic fix.
2642 (execute_todo): Keep second parameter only. Use curr_properties
2643 instead of fetching it from the pass structure. Check and set
2645 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2646 instead of fetching it from the pass structure. Fix calls to
2647 execute_todo. Update curr_properties and initialize .vcg RTL dump
2648 after running the pass. Reset last_verified.
2649 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2651 (FIRST_AUTO_NUMBERED_DUMP): New.
2652 (dump_register): Remove "num" parameter, assign it within the
2654 (get_dump_file_name): Modify template for dumps.
2655 * tree-dump.h (dump_register): Adjust prototype.
2656 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2657 (PROP_trees): Add PROP_gimple_lomp.
2658 (TODO_set_props): New.
2659 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2660 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2661 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2663 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2665 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2666 (sparc64-*-linux*): Likewise.
2667 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2668 * config/sparc/t-linux: New file.
2669 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2670 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2671 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2672 -m32 -mlong-double-128.
2674 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2675 * config/alpha/t-linux: New file.
2676 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2678 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2679 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2680 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2681 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2682 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2683 (CPP_ARCH32_SPEC): Remove.
2685 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2687 PR tree-optimization/26145
2688 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2691 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2694 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2695 >= 240000 when generating code for SOM runtime.
2696 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2697 to $$dyncall when generating code for SOM runtime..
2699 2006-02-07 Dirk Mueller <dmueller@suse.com>
2702 * doc/invoke.texi (-Wsequence-point): Update documentation
2703 that -Wsequence-point is implemented for C++ as well.
2705 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2707 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2708 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2709 (LIB_SPEC): Likewise.
2710 * doc/invoke.texi (SPARC options): Document -pthread.
2712 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2714 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2717 2006-02-07 Roger Sayle <roger@eyesopen.com>
2719 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2720 Correct comment describing BOOLEAN_TYPE.
2722 2006-02-07 Dirk Mueller <dmueller@suse.com>
2724 * c.opt: C++ frontend supports -Wdiv-by-zero.
2725 * c-opts.c (c_common_handle_option): Remove dead case.
2727 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2729 * configure.ac (TLS assembler check): Do not enable TLS by
2730 default on SPARC/Solaris before version 10.
2731 * configure: Regenerate.
2733 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2735 * doc/invoke.texi (xl-compat): Document conversion and support
2738 2006-02-07 Jeff Law <law@redhat.com>
2740 * tree-vrp.c (find_conditional_asserts): Update comments.
2741 (simplify_stmt_for_jump_threading): New.
2742 (identify_jump_threads, finalize_jump_threads): New.
2743 (vrp_finalize): Call identify_jump_threads.
2744 (execute_vrp): Call finalize_jump_threads.
2745 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2746 (vrp_element, vrp_data, vrp_element_p): Remove.
2747 (vrp_hash_elt, vrp_variables_stack): Remove.
2748 (vrp_hash, vrp_eq, record_range): Remove.
2749 (simplify_cond_and_lookup_avail_expr): Remove.
2750 (extract_range_from_cond): Remove.
2751 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2752 (simplify_stmt_for_jump_threading): New.
2753 (dom_thread_across_edge): New wrapper.
2754 (tree_ssa_dominator_optimize): No longer initialize or
2755 finalize any of the VRP datastructures. Remove iteration
2756 step and simplify as a result of removal of iteration step.
2757 (pass_dominator): Perform a cfg cleanup after DOM.
2758 (dom_opt_finalize_block): Use the new common routines
2759 for threading jumps. Simplify stack management slightly.
2760 No longer need to unwind VRP state.
2761 (record_equivalences_from_incoming_edge): No longer record
2763 (eliminate_redundant_computations): No longer call
2764 simplify_cond_and_lookup_avail_expr.
2765 * tree-flow.h (potentially_threadable_block): Prototype.
2766 (thread_across_edge): Likewise.
2767 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2768 (tree-ssa-threadedge.o): Add dependencies.
2769 * tree-ssa-threadedge.c: New file.
2770 * passes.c (init_optimization_passes): Merge PHIs before
2771 calling VRP. Run VRP again late in the SSA optimization pipeline.
2773 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2775 * df-core.c (df_set_blocks): Do not dereference function pointers.
2776 (df_finish1): Likewise.
2777 (df_hybrid_search_forward): Likewise.
2778 (df_hybrid_search_backward): Likewise.
2779 (df_iterative_dataflow): Likewise.
2780 (df_analyze_problem): Likewise.
2781 (df_compact_blocks): Likewise.
2782 (df_dump): Likewise.
2783 * df-scan.c (df_rescan_blocks): Likewise.
2784 (df_record_entry_block_defs): Likewise.
2786 * genconditions.c (write_conditions): Guard the definition of
2787 'insn_conditions' with the check on GCC version.
2788 (write_writer): Guard the traversal 'insn_conditions' with
2789 the check on GCC version.
2791 2006-02-07 Richard Guenther <rguenther@suse.de>
2795 2006-01-30 Richard Guenther <rguenther@suse.de>
2797 * gimplify.c (gimplify_target_expr): Handle easy cases
2798 without creating a temporary.
2800 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2802 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2803 use of float in probability computations. Use edge probabilities
2804 in place of statically computed probabilities.
2805 (min_spec_prob): New static variable.
2806 (schedule_insns): Initialize it.
2807 (GET_SRC_PROB): Removed.
2808 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2810 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2813 * config/ia64/unwind-ia64.c: Revert last change.
2814 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2815 (INCOMING_FRAME_SP_OFFSET): Define.
2817 2006-02-06 Roger Sayle <roger@eyesopen.com>
2819 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2821 2006-02-07 Ben Elliston <bje@au.ibm.com>
2823 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2824 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2825 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2826 (ix86_return_in_memory): Handle TDmode.
2827 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2828 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2830 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2832 * reorg.c (dbr_schedule): Use dump_file instead of file.
2834 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2837 * config/ia64/predicates.md (extr_len_operand): New predicate.
2838 * config/ia64/ia64.md (extv): Tighten constraints.
2840 (*tbit_and_2): Ditto.
2841 (*tbit_and_3): Ditto.
2842 (*tbit_or_2): Ditto.
2843 (*tbit_or_3): Ditto.
2847 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2850 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2852 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2854 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2855 loop_optimizer_init and loop_optimizer_finalize
2856 * tree-ssa-sink.c (execute_sink_code): Ditto.
2857 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2858 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2859 tree_ssa_loop_done): Ditto.
2860 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2861 * sched-ebb.c: Include output.h.
2862 (schedule_ebbs): Do not use dump argument.
2863 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2864 * loop.c (loop_dump_stream): Removed.
2865 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2867 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2868 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2869 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2870 loop_iterations, strength_reduce, record_biv, record_giv,
2871 final_giv_value, check_final_value, check_ext_dependent_givs,
2872 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2873 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2874 dump_file instead of loop_dump_stream.
2875 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2877 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2879 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2880 * haifa-sched.c: Include output.h
2881 (schedule_insns, sched_init): Do not use dump argument.
2882 * mode-switching.c (optimize_mode_switching): Ditto.
2883 * modulo-sched.c (stats_file): Removed.
2884 (print_node_sched_params): Do not call argument dump_file.
2885 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2886 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2888 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2890 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2891 rtl_loop_init, rtl_loop_done): Ditto.
2892 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2893 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2895 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2896 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2897 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2898 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2899 * emit-rtl.c (renumber_insns): Ditto.
2900 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2901 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2902 * regclass.c (regclass): Ditto.
2903 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2904 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2905 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2906 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2908 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2909 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2911 * gcse.c (gcse_file, debug_stderr): Removed.
2912 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2913 rest_of_handle_gcse): Do not use dump argument.
2914 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2915 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2916 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2917 compute_code_hoist_vbeinout, compute_code_hoist_data,
2918 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2919 compute_store_table, build_store_vectors, insert_insn_start_bb,
2920 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2921 store_motion): Use dump_file instead of gcse_file.
2922 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2923 * profile.c (profile_dump_file): Removed.
2924 (branch_prob): Use dump_file instead of profile_dump_file.
2925 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2927 * tree-ssa-copy.c (dump_copy_of): Ditto.
2928 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2929 dump file to life_analysis.
2930 * bt-load.c (branch_target_load_optimize): Ditto.
2931 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2933 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2934 regclass, dbr_schedule): Declaration changed.
2935 * sched-int.h (sched_init): Declaration changed.
2936 * tree-profile.c (tree_profile_dump_file): Removed.
2937 (tree_profile_hooks): Removed profile_dump_file hook.
2938 * rtl-profile (rtl_profile_dump_file): Removed.
2939 (rtl_profile_hooks): emoved profile_dump_file hook.
2940 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2942 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2943 * tree-cfg.c (build_tree_cfg): Ditto.
2944 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2945 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2946 Declaration changed.
2947 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2948 life_analysis and schedule_insns.
2949 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2951 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2953 * config/mips/mips.c (mips_reorg): Ditto.
2954 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2957 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2959 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2960 (s390_mangle_fundamental_type): New.
2961 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2964 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2965 (alpha_mangle_fundamental_type): New.
2966 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2969 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2971 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2973 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2974 (sparc_mangle_fundamental_type): New.
2976 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2978 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2979 (s390x-*-linux*): Likewise.
2980 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2981 * config/s390/t-linux: New file.
2983 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2985 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2986 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2988 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2990 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2991 (ANTIC_SAFE_LOADS): New macro.
2992 (find_or_generate_expression): Add prototype.
2993 (set_contains_value): Allow null set for sake of not always having
2994 to allocate ANTIC_SAFE_LOADS.
2995 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2996 Allow COMPONENT_REF too.
2997 (valid_in_set): Allow COMPONENT_REF.
2998 Check ANTIC_SAFE_LOADS too.
2999 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
3000 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
3002 (can_PRE_operation): Add COMPONENT_REF.
3003 (create_component_ref_by_pieces): New function.
3004 (create_expression_by_pieces): Use create_component_ref_by_pieces.
3005 (insert_aux): Move AGGREGATE_TYPE_P check here.
3006 (compute_avail): Set bb local stmt uids.
3007 (pass_pre): Use TODO_update_ssa_only_virtuals.
3009 2006-02-06 Ben Elliston <bje@au.ibm.com>
3011 * configure.ac: Unconditionally disable decimal float by default.
3012 * configure: Regenerate.
3014 2006-02-06 Ben Elliston <bje@au.ibm.com>
3016 * read-rtl.c (read_name): Terminate reading on EOF.
3018 2006-02-06 Ben Elliston <bje@au.ibm.com>
3020 * dfp.c (decimal_real_arithmetic): Change second argument type
3021 from int to enum tree_code. Do not always return true, but now
3022 return result of any call to decimal_do helper functions.
3023 * dfp.h (decimal_real_arithmetic): Update prototype.
3025 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3027 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
3029 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
3032 * tree-cfg.c (cleanup_dead_labels): Also don't remove
3035 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3037 * tree-vrp.c (cfg_loops): Removed.
3038 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
3039 Use current_loops instead of cfg_loops. Pass flags to
3040 loop_optimizer_init.
3041 * cfgloopmanip.c (fix_loop_structure): Update only available
3043 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
3044 loop_optimizer_init.
3045 * modulo-sched.c (build_loops_structure): Removed.
3046 (sms_schedule): Use loop_optimizer_init.
3047 * loop-init.c (loop_optimizer_init): Use flags to determine
3048 which properties of loops to prepare.
3049 (rtl_loop_init): Pass flags to loop_optimizer_init.
3050 * tree-ssa-sink.c (execute_sink_code): Ditto.
3051 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3052 * tree-ssa-pre.c (init_pre): Ditto.
3053 * cfgloop.h (LOOPS_NORMAL): New.
3054 (loop_optimizer_init): Declaration changed.
3056 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3058 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3059 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3061 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3063 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3065 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3066 * pa/t-pa64: Delete quadlib.c rule.
3067 * pa/x-ada: Revert last change.
3068 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3070 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3072 PR rtl-optimization/26087
3073 * rtlanal.c (canonicalize_condition): Do not cross basic block
3076 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3079 * config/ia64/ia64.c: Include debug.h.
3080 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3081 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3082 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3083 (process_epilogue, process_set, process_for_unwind_directive):
3084 Output unwind info only if requested. Add CFA info if requested.
3085 Add new arguments as needed. Adjust callers.
3086 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3088 (DWARF2_FRAME_INFO): Define to zero.
3089 * config/ia64/unwind-ia64.c: Remove code that compensated for
3090 the CFA offset error fixed above.
3091 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3092 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3093 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3094 -funwind-tables and -fexceptions to enable frame info.
3095 (dwarf2out_frame_init): Define initial CFA even if
3096 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3097 DWARF2_UNWIND_INFO is nonzero, not just defined.
3098 (dwarf2out_frame_finish): Output non-EH call frame info only
3099 if DWARF2_FRAME_INFO is nonzero.
3100 (convert_cfa_to_loc_list,
3101 compute_frame_pointer_to_cfa_displacement): Define even if
3102 unwind info is not supported.
3103 (gen_subprogram_die): Use the above unconditionally. Remove
3104 legacy alternate code.
3105 * toplev.c (compile_file): Compile in call to
3106 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3107 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3109 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3110 Jakub Jelinek <jakub@redhat.com>
3112 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3113 IBM extended float format long double as "g" on powerpc*-linux.
3115 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3118 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3119 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3121 2006-02-03 Jason Merrill <jason@redhat.com>
3124 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3127 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3128 on the return slot if it's an NRV.
3130 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3132 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3133 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3134 rewrite_use): Do not handle USE_OUTER.
3135 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3136 add_iv_outer_candidates, may_replace_final_value,
3137 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3138 (find_interesting_uses_op): Functionality of
3139 find_interesting_uses_outer_or_nonlin moved here.
3140 (find_interesting_uses_outside): Use find_interesting_uses_op.
3142 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3145 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3147 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3148 Ulrich Weigand <uweigand@de.ibm.com>
3151 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3152 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3153 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3154 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3156 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3157 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3158 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3159 Define secondary reloads for TFmode moves.
3160 (constant_modes): Add TFmode.
3161 (NR_C_MODES): Set to 8.
3162 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3164 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3165 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3166 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3167 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3168 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3169 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3170 (FPR mode macro): Add TFmode.
3171 (DSF mode macro): New.
3172 (<de>, <dee> mode attributes): Removed.
3173 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3174 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3175 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3176 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3177 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3178 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3179 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3180 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3181 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3182 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3183 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3184 "*negabs<mode>2", "sqrt<mode>2"):
3185 Changed <de> to <xde>. R constraint replaced by <Rf>.
3186 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3188 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3189 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3190 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3192 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3193 "extenddftf2", "extendsftf2"): New expanders.
3194 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3195 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3196 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3197 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3199 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3200 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3201 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3202 __floatditf): Add a GCC_4.1.0 symbol version tag.
3203 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3206 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3209 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3210 Use targetm.binds_local_p instead of TREE_PUBLIC.
3212 2006-02-02 Roger Sayle <roger@eyesopen.com>
3214 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3215 on INTEGER_TYPEs to indicate that it denotes a character type.
3216 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3217 signed_char_type_node, unsigned_char_type_node and char_type_node.
3218 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3219 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3220 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3222 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3223 Daniel Berlin <dberlin@dberlin.org>
3225 * tree-tailcall.c (arg_needs_copy_p): New function.
3226 (eliminate_tail_call): Use arg_needs_copy_p.
3227 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3228 (add_virtual_phis): New function.
3230 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3232 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3233 #ignore instead of #scratch for %g7 .register directive.
3235 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3237 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3240 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3242 * flow.c (calculate_global_regs_live): Assert that there aren't any
3245 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3247 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3249 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3250 bsi_after_labels iterator.
3251 * tree-if-conv.c (find_phi_replacement_condition,
3252 replace_phi_with_cond_modify_expr): Likewise.
3253 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3254 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3256 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3258 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3260 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3263 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3264 array after growing it.
3266 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3269 * fold-const.c (fold_checksum_tree): Change type of buf.
3271 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3273 * reload.c (push_secondary_reload): Initialize t_icode.
3275 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3277 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3278 -msoft-float -mlong-double-128 only issue a warning, but don't
3279 swich to DFmode long double.
3281 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3283 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3284 has a constant equivalent, iterate over equivalents for arg0,
3285 calling simplify_relational_operation and if there's a result
3286 cheaper than X, apply fold_rtx and return the result.
3288 2006-02-01 Jan Hubicka <jh@suse.cz>
3290 * opts.c (no_unit_at_a_time_default): New global variable.
3291 (decode_options): Use it.
3292 * opts.h (no_unit_at_a_time_default): Declare.
3294 2006-02-01 Paul Brook <paul@codesourcery.com>
3296 * function.c (assign_parm_setup_reg): Use function argument promotion
3298 * expr.c (expand_expr_real_1): Use function argument promotion rules
3301 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3303 * gcc.c (process_command): Change j to 'unsigned int'.
3305 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3308 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3309 Use the corrected index for the character
3310 out of the string constant.
3312 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3314 * mode-switching.c (optimize_mode_switching): Fix size
3315 allocated for bb_info[n_entities].
3317 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3319 * gcc.c (main): Correct type that is allocated for
3320 explicit_link_files.
3322 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3324 * config/s390/s390.c (init_alignment_context): Set
3325 ALIAS_SET_MEMORY_BARRIER on the MEM.
3326 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3328 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3331 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3333 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3336 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3338 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3339 * regrename.c: Ditto.
3340 * tree-ssa-loop-im.c: Ditto.
3341 * tree-dump.c: Ditto.
3342 * tree-complex.c: Ditto.
3343 * genrecog.c: Ditto.
3344 * tree-ssa-threadupdate.c: Ditto.
3346 * java/class.c: Ditto.
3347 * java/jcf-parse.c: Ditto.
3348 * java/resource.c: Ditto.
3349 * java/except.c: Ditto.
3350 * java/jvspec.c: Ditto.
3351 * java/jcf-write.c: Ditto.
3352 * java/jcf-path.c: Ditto.
3353 * java/gjavah.c: Ditto.
3354 * java/zextract.c: Ditto.
3355 * java/jcf-io.c: Ditto.
3356 * java/jcf.h: Ditto.
3357 * java/buffer.c: Ditto.
3358 * java/lang.c: Ditto.
3359 * java/parse-scan.y: Ditto.
3360 * java/lex.c: Ditto.
3361 * java/lex.h: Ditto.
3362 * cfgloopmanip.c: Ditto.
3363 * postreload-gcse.c: Ditto.
3364 * tree-ssa-loop-manip.c: Ditto.
3365 * postreload.c: Ditto.
3366 * tree-ssa-loop-ch.c: Ditto.
3370 * diagnostic.c: Ditto.
3372 * genoutput.c: Ditto.
3374 * cfghooks.c: Ditto.
3375 * cfgloopanal.c: Ditto.
3376 * objc/objc-act.c: Ditto.
3378 * genextract.c: Ditto.
3379 * genautomata.c: Ditto.
3380 * pretty-print.c: Ditto.
3382 * cgraphunit.c: Ditto.
3385 * haifa-sched.c: Ditto.
3386 * dominance.c: Ditto.
3388 * tree-ssa-loop-ivopts.c: Ditto.
3390 * mode-switching.c: Ditto.
3391 * modulo-sched.c: Ditto.
3393 * ipa-pure-const.c: Ditto.
3395 * fix-header.c: Ditto.
3397 * tree-stdarg.c: Ditto.
3398 * ipa-utils.c: Ditto.
3399 * loop-init.c: Ditto.
3400 * ipa-inline.c: Ditto.
3403 * alloc-pool.c: Ditto.
3404 * dwarf2out.c: Ditto.
3406 * genattrtab.c: Ditto.
3407 * tree-ssa-loop-ivcanon.c: Ditto.
3411 * fortran/gfortranspec.c: Ditto.
3413 * local-alloc.c: Ditto.
3414 * langhooks.c: Ditto.
3415 * function.c: Ditto.
3416 * tree-vectorizer.c: Ditto.
3418 * ipa-type-escape.c: Ditto.
3420 * tree-if-conv.c: Ditto.
3423 * tree-data-ref.c: Ditto.
3424 * loop-unroll.c: Ditto.
3425 * treelang/treetree.c: Ditto.
3428 * ggc-common.c: Ditto.
3430 * coverage.c: Ditto.
3432 * tree-cfgcleanup.c: Ditto.
3433 * tree-ssa-pre.c: Ditto.
3434 * cfgcleanup.c: Ditto.
3435 * loop-invariant.c: Ditto.
3437 * ipa-prop.c: Ditto.
3438 * print-tree.c: Ditto.
3439 * conflict.c: Ditto.
3440 * ggc-page.c: Ditto.
3441 * sched-deps.c: Ditto.
3442 * regclass.c: Ditto.
3443 * tree-object-size.c: Ditto.
3445 * bb-reorder.c: Ditto.
3446 * resource.c: Ditto.
3447 * var-tracking.c: Ditto.
3449 * df-problems.c: Ditto.
3450 * reg-stack.c: Ditto.
3453 * sched-rgn.c: Ditto.
3454 * tree-ssa-structalias.c: Ditto.
3455 * tree-ssa-reassoc.c: Ditto.
3456 * config/darwin-c.c: Ditto.
3457 * config/darwin.c: Ditto.
3458 * config/arm/arm.c: Ditto.
3460 * collect2.c: Ditto.
3463 2006-01-31 Nicolas Pitre <nico@cam.org>
3465 * arm.md (smaxsi3): Make aware of smax_m1.
3468 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3470 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3472 2006-01-31 Richard Guenther <rguenther@suse.de>
3474 * doc/invoke.texi (-msselibm): Document.
3475 * target.h (expand_library_builtin): New target hook.
3476 * builtins.c (expand_builtin): Use expand_library_builtin.
3477 (default_expand_library_builtin): New function.
3478 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3479 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3480 (link_gcc_math_spec): Declare.
3481 (static_specs): Add link_gcc_math_spec.
3482 * expr.h (default_expand_library_builtin): Declare.
3483 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3484 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3485 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3486 * config/i386/i386.opt (msselibm): New target option.
3487 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3488 (ix86_init_sse_abi_builtins): New function.
3489 (ix86_expand_library_builtin): Likewise.
3490 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3491 (override_options): Handle error conditions wrt -msselibm.
3492 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3493 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3494 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3497 2006-01-31 Richard Guenther <rguenther@suse.de>
3498 Paolo Bonzini <bonzini@gnu.org>
3500 * doc/install.texi (--disable-libgcc-math): Document.
3502 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3504 * expr.h (expand_normal): new inline function.
3505 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3507 * dwarf2out.c: use it.
3512 * config/sparc/sparc.c: use it.
3513 * config/i386/i386.c: use it.
3514 * config/rs6000/rs6000.c: use it.
3515 * config/arm/arm.c: use it.
3516 * config/mips/mips.c: use it.
3517 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3519 2006-01-30 Roger Sayle <roger@eyesopen.com>
3521 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3522 argv to the appropriate type.
3524 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3526 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3529 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3532 * config/s390/s390.c (struct machine_function): New flag
3533 decomposed_literal_pool_addresses_ok_p.
3534 (s390_reorg): Set it before final stage of literal pool transforms.
3535 (s390_decompose_address): Only accept displacements of the form
3536 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3538 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3540 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3541 the comparison routine return.
3543 2006-01-30 Michael Matz <matz@suse.de>
3545 * global.c (find_reg): Only evict for global regs.
3546 Take n_refs into account and dump more info.
3548 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3551 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3552 (pragma_trap, pragma_nosave_low_regs): Likewise.
3553 (current_function_anonymous_args): Likewise.
3554 (sh_deferred_function_attributes): New variable.
3555 (sh_deferred_function_attributes_tail): Likewise.
3556 (print_operand): For '@', look up trap_exit attribute.
3557 (calc_live_regs): Look up trapa_handler attribute. For trapa
3558 handlers, save/restore fpscr, but don't do any other
3559 interrupt-specific saves.
3560 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3561 Fix check for partially saved registers to check for SHmedia.
3562 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3563 (sh_output_function_epilogue): Don't clear any of the removed
3565 (sh_insert_attributes): Don't check pragma_interrupt.
3566 Insert deferred attributes. Check that interrupt attribute is
3567 present for other attributes that require its presence.
3568 (sh_attribute_table): Add new attributes trapa_handler and
3570 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3571 Don't check for pragma_interrupt. Don't store argument.
3572 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3573 (sh_deferred_function_attributes): Declare.
3574 (sh_deferred_function_attributes_tail): Likewise.
3575 * sh.md (sp_switch_1): Add operand. Change generator caller.
3576 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3577 (*return_i): Don't use when trap_exit attribute is in effect.
3578 (*return_trapa): New insn pattern.
3580 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3581 setting c_target_objs and cxx_target_objs.
3582 * t-sh: Add rule for sh-c.o.
3584 2006-01-30 Richard Guenther <rguenther@suse.de>
3587 * gimplify.c (gimplify_target_expr): Handle easy cases
3588 without creating a temporary.
3590 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3592 * vec.h (safe_grow): Remove duplicated line.
3594 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3597 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3598 (expand_omp): ... here.
3599 (expand_omp_parallel): Only remove barriers for combined
3600 parallel+workshare constructs.
3602 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3606 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3607 * tree.c (build_qualified_type): Chain the new type to the original
3608 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3609 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3610 (build_pointer_type_for_mode): Only return unqualified types.
3611 (build_reference_type_for_mode): Likewise.
3613 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3615 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3616 * Makefile.in (CXX_COMPAT_WARN): Define.
3617 * configure: Regenerate.
3619 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3622 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3625 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3627 * toplev.c: Fix thinko.
3629 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3630 Marcin Dalecki <martin@dalecki.de>
3632 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3633 (push_srcloc): Use XNEW.
3634 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3636 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3638 * df-core.c (df_set_blocks): Deleted all variable.
3640 2006-01-28 Ian Lance Taylor <ian@airs.com>
3642 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3643 cgraph_output_pending_asms.
3645 2006-01-28 Zack Weinberg <zackw@panix.com>
3647 * c.opt: Add -W(no-)overlength-strings.
3648 * doc/invoke.texi: Document it.
3649 * c-opts.c (c_common_handle_option): -pedantic implies
3650 -Woverlength-strings, if not explicitly disabled already.
3651 (c_common_post_options): -Woverlength-strings defaults to off, and
3652 is always off for C++.
3653 * c-common.c (fix_string_type): Issue warning about strings longer
3654 than is portable only if warn_overlength_strings. Rearrange code
3655 a little for clarity.
3656 * configure.in: Check for -Wno-overlength-strings as well before
3657 enabling -pedantic in stage 1.
3658 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3659 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3661 * genconditions.c (write_header, write_one_condition)
3662 (write_conditions, write_writer): Consolidate very long strings
3663 that were broken up to fit in C89 portable limit. Don't use
3664 printf when fputs will do.
3666 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3668 * combine.c (simplify_comparison <AND>): Check
3669 TRULY_NOOP_TRUNCATION before start using a subreg.
3671 * config/mips/mips.md (*branch_zero<mode>,
3672 *branch_zero<mode>_inverted, *branch_equality<mode>,
3673 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3674 Remove mode check from comparisons.
3676 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3678 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3680 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3682 * expmed.c (const_mult_add_overflow_p): Remove.
3683 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3685 * recog.c (validate_replace_rtx_subexp): Remove.
3686 * recog.h: Remove the prototype for
3687 validate_replace_rtx_subexp.
3689 * integrate.h: Remove the prototype for
3690 copy_decl_for_inlining.
3691 * rtl.h: Remove the prototype for mark_constant_function.
3692 * tree-vectorizer.h: Remove the prototype for
3693 vect_strip_conversion.
3695 * modulo-sched.c (create_partial_schedule,
3696 free_partial_schedule, reset_partial_schedule): Make them
3699 * hooks.c (hook_bool_rtx_int_false): Remove.
3700 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3702 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3704 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3705 and -mlong-double-128 are incompatible.
3706 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3707 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3708 (TARGET_LIBGCC2_CFLAGS): Define.
3709 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3710 (TARGET_LIBGCC2_CFLAGS): Same.
3711 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3713 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3716 * c-typeck.c (build_binary_op): Perform implicit casts of
3717 operands before shortening them.
3719 * cfgloopmanip.c (split_loop_bb): Remove.
3720 * cfgloop.h: Remove the prototype for split_loop_bb.
3722 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3723 * cfgloop.h: Remove the prototype for
3724 flow_loop_outside_edge_p.
3726 * emit-rtl.c (init_virtual_regs): Make it static.
3727 * function.h: Remove the prototype for init_virtual_regs.
3729 * recog.c (peephole2_optimize): Make it static.
3730 * recog.h: Remove the prototype for peephole2_optimize.
3732 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3734 * df-scan.c (df_record_entry_block_defs): Check if
3735 INCOMING_RETURN_ADDR_RTX is defined.
3737 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3738 Kenneth Zadeck <zadeck@naturalbridge.com>
3740 PR rtl-optimization/24762
3741 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3742 * targhooks.c (hook_void_bitmap): New hook prototype.
3743 * targhoohs.h (hook_void_bitmap): Ditto.
3744 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3745 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3746 * target.h (live_on_entry): New function pointer.
3747 * df-scan.c (df_all_hard_regs): Removed.
3748 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3749 (df_scan_free_internal): Added df->entry_block_defs.
3750 (df_scan_alloc): Ditto.
3751 (df_scan_dump): Ditto.
3752 (df_uses_record): Plumbed flag field properly thru calls.
3753 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3754 This part fixes PR24762.
3755 (df_bb_refs_record): Added code to make the frame and arg
3756 pointers live in EH blocks.
3757 (df_refs_record): Added call to df_record_entry_block_defs.
3758 (df_record_entry_block_defs): New function.
3759 * df-core.c: Added comments to describe new artifical defs.
3760 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3761 (entry_block_defs): New field in struct df.
3762 (df_all_hard_regs): Deleted.
3763 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3764 * df-problems.c (df_ru_bb_local_compute_process_def):
3765 Added code to handle artifical defs in the entry to a function.
3766 (df_ru_bb_local_compute): Ditto.
3767 (df_rd_bb_local_compute_process_def): Ditto.
3768 (df_rd_bb_local_compute): Ditto.
3769 (df_lr_bb_local_compute): Ditto.
3770 (df_ur_bb_local_compute): Ditto.
3771 (df_urec_bb_local_compute): Ditto.
3772 (df_chain_create_bb): Ditto.
3773 (df_ur_local_finalize): Removed entry.
3774 (df_urec_init): Ditto.
3775 (df_urec_local_finalize): Ditto.
3776 (df_ri_bb_compute): Added detection of last use of pseudos.
3777 * Makefile.in (df-scan.o): Updated dependencies.
3778 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3779 * config/mips/mips.c (mips_set_live_on_entry): Added.
3780 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3782 * dce.c (marked_insn_p): Added code to handle artifical defs.
3784 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3786 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3788 (_mm_cvtsi128_si64): Likewise.
3789 (_mm_cvtsd_si64): Likewise.
3790 (_mm_cvttsd_si64): Likewise.
3791 (_mm_cvtsi64_sd): Likewise.
3792 (_mm_cvtsi64_si128): Likewise.
3793 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3794 (_mm_cvtsi64_m64): Likewise.
3795 (_m_to_int64): Likewise.
3796 (_mm_cvtm64_si64): Likewise.
3797 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3798 (_mm_cvttss_si64): Likewise.
3799 (_mm_cvtsi64_ss): Likewise.
3800 (_mm_cvtss_f32): Likewise.
3802 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3804 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3805 for pragma redefine_extname.
3807 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3810 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3811 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3812 -mno-minimal-toc to previous content.
3813 (bispecs): Remove goal.
3814 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3815 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3816 compatibility aliases on powerpc-*-*gnu*.
3817 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3818 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3819 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3820 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3821 (ldblspecs): New goal.
3822 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3823 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3825 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3826 L_sf_to_tf or L_df_to_tf is defined.
3828 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3829 Alan Modra <amodra@bigpond.net.au>
3832 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3833 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3834 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3835 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3836 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3837 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3838 (rs6000_override_options): Initialize rs6000_ieeequad.
3839 Initialize TFmode format to ibm_extended_format if not
3841 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3843 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3844 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3845 (function_arg_advance): IBM long double passed in two FPRs, not
3847 (function_arg): IBM long double passed in FPRs.
3848 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3849 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3850 Only multireg GPR aligned.
3851 (rs6000_init_libfuncs): Enable IBM long double functions if not
3853 (rs6000_generate_compare): Use IBM long double compare if not
3855 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3856 (TARGET_IEEEQUAD): Define.
3857 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3858 not TARGET_IEEEQUAD.
3859 * config/rs6000/rs6000.md: Enable TFmode patterns if
3861 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3862 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3863 and -mlong-double-128 are incompatible.
3864 * doc/invoke.texi (-mabi): Collect options together. Add
3865 ibmlongdouble and ieeelongdouble.
3867 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3869 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3871 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3872 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3873 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3874 * rtl.h (rtunion_def): Remove rt_ptr.
3876 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3877 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3878 * config/i386/winnt.c (i386_pe_mark_dllexport)
3879 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3881 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3883 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3885 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3889 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3890 pthread_key_delete. From John David Anglin. gthrw-ify
3891 pthread_getunique_np only if it it's not a macro. Delete
3893 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3894 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3895 __gthread_objc_condition_signal, __gthread_key_delete): Add
3896 "__attribute__ ((__unused__))" to unused arguments.
3897 (__gthread_recursive_mutex_init_function): Add missing return.
3898 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3899 gthr-posix95.h: Use macro-based approach for name redirection
3900 on targets missing weakref.
3902 2006-01-26 Zack Weinberg <zackw@panix.com>
3904 * genconditions.c (write_header): In generated code, #ifdef out
3905 all includes and fake declarations, except includes of bconfig.h
3906 and system.h, unless GCC_VERSION >= 3001. Do not include
3907 gensupport.h in any case.
3908 (write_conditions): Generate a definition of struct c_test. Add
3909 a comment to the generated #endif.
3910 (write_one_condition): Escape backslashes in string too.
3911 (write_writer): Generated code must escape backslashes and quote
3912 marks (but not newlines) in the strings it writes.
3913 * Makefile.in (build/gencondmd.o): Update dependencies.
3915 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3918 * Makefile.in (insn-automata.o): Add header file dependencies.
3919 * genautomata.c: Add includes.
3921 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3924 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3926 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3928 * configure.ac: Expect target tools paths to be passed from the toplevel
3929 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3931 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3933 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3936 * c.opt (Wpointer-sign): Init to -1.
3937 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3938 OPT_pedantic, to 0 otherwise.
3939 * doc/invoke.texi: Update.
3941 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3943 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3944 constants provided by 80387 instructions in the destination mode.
3946 2006-01-26 Richard Guenther <rguenther@suse.de>
3947 Andrew Pinski <pinskia@physics.uc.edu>
3950 partial PR tree-opt/17064
3951 * tree-ssa-structalias.c (intra_create_variable_infos):
3952 Create heap variables for incoming parameters if
3953 flag_argument_noalias > 1.
3954 (find_what_p_points_to): Look through default defs of
3957 2006-01-26 Jeff Law <law@redhat.com>
3960 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3961 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3962 within the VR_RANGE, use the VR_RANGE as the result, not the
3964 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3965 bounds for the type.
3967 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3969 * tree-ssa-alias.c (maybe_create_global_var): Change
3970 subvar walking to an assertion that we don't have subvar'd variables.
3972 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3975 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3976 Use a new variable, inner. PARM_DECLs are always non-weak.
3978 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3980 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3983 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3985 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3987 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3989 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3990 (smax_insn, smin_insn, smax_0, smin_0): New.
3992 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3995 * config/cris/cris.c (cris_order_for_addsi3): New function.
3996 * config/cris/cris-protos.h: Prototype it.
3997 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3998 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3999 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
4000 (split for "op.S1 [rx=rx+i],ry (swapped)")
4001 (split for "op(s|u).S1 [rx=rx+i],ry")
4002 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
4003 Apply cris_order_for_addsi3 when generating addsi3 insns.
4005 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4007 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
4008 (TREE_BLOCK): Add call to EXPR_CHECK.
4010 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4013 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
4014 * tree-pretty-print.c (dump_omp_clause): Extract from ...
4015 (dump_omp_clauses): ... here.
4016 (dump_generic_node): Handle OMP_CLAUSE.
4017 * tree.c (omp_clause_num_ops): New.
4018 (omp_clause_code_name): New.
4019 (tree_code_size): Handle OMP_CLAUSE.
4020 (tree_size): Likewise.
4021 (make_node): Document handling of OMP_CLAUSE.
4022 (tree_node_structure): Handle OMP_CLAUSE.
4023 (omp_clause_check_failed): New.
4024 (omp_clause_range_check_failed): New.
4025 (omp_clause_operand_check_failed): New.
4026 (build_omp_clause): New.
4027 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
4028 * tree.h (enum omp_clause_code): Declare.
4029 (OMP_CLAUSE_SUBCODE_CHECK): Define.
4030 (OMP_CLAUSE_RANGE_CHECK): Define.
4031 (OMP_CLAUSE_ELT_CHECK): Define.
4032 (omp_clause_check_failed): Declare.
4033 (omp_clause_operand_check_failed): Declare.
4034 (omp_clause_range_check_failed): Declare.
4035 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
4036 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
4037 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
4038 (OMP_CLAUSE_LASTPRIVATE): Likewise.
4039 (OMP_CLAUSE_IF_EXPR): Likewise.
4040 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
4041 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
4042 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
4043 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
4044 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
4045 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
4046 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
4047 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
4048 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
4049 (OMP_CLAUSE_CODE): Define.
4050 (OMP_CLAUSE_SET_CODE): Define.
4051 (OMP_CLAUSE_CODE): Define.
4052 (OMP_CLAUSE_OPERAND): Define.
4053 (struct tree_omp_clause): Declare.
4054 (union tree_node): Add field 'omp_clause'.
4055 * treestruct.def (TS_OMP_CLAUSE): Define.
4056 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
4057 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
4058 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
4059 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
4060 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
4061 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
4062 (OMP_CLAUSE): Define.
4063 * print-tree.c (print_node): Handle OMP_CLAUSE.
4064 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
4065 * c-typeck.c: Likewise.
4066 * gimplify.c: Likewise.
4067 * c-omp.c: Likewise.
4068 * tree-nested.c: Likewise.
4069 * tree-inline.c: Likewise.
4070 * c-parser.c: Likewise.
4071 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4074 2006-01-25 Roger Sayle <roger@eyesopen.com>
4076 PR rtl-optimization/25703
4077 * combine.c (try_combine): Handle zero_extract and strict_low_part
4078 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4080 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4082 * global.c: Fix comment typos.
4084 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4087 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4088 Use output_addr_const instead of assemble_name.
4090 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4092 * Makefile.in (sched-vis.o): Update dependencies.
4093 * haifa-sched.c (sched_finish): Clear current_sched_info.
4094 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4095 (dump_flow_info): Call it.
4096 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4098 * basic-block.h (dump_bb_info): Declare.
4099 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4100 option, and apply options only for dump files whose TDF_RTL,
4101 TDF_TREE, or TDF_IPA bits match.
4102 * rtl.h: Declare new functions exported from sched-vis.c.
4103 * sched-vis.c: Enable also if scheduling is not used.
4104 (print_value): Print the mode of registers if not inside scheduling.
4105 (print_insn): Make it work outside the scheduler. Beautify the output
4107 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4109 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4111 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4112 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4113 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4114 depending on the value of CONSTANT_POOL_ADDRESS_P.
4115 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4117 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4118 rather than SYMBOL_REF_DECL.
4119 (rtx_constant_pool): Remove const_rtx_sym_htab.
4120 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4121 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4122 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4123 Remove handling of const_rtx_sym_htab.
4124 (find_pool_constant): Delete.
4125 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4126 rather than find_pool_constant.
4127 (get_pool_constant_for_function): Delete.
4128 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4130 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4131 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4132 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4133 (SYMBOL_REF_CONSTANT): New macro.
4134 (get_pool_constant_for_function): Delete.
4135 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4136 rather than SYMBOL_REF_DECL.
4137 (i386_pe_mark_dllimport): Likewise.
4138 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4139 rather than SYMBOL_REF_DECL.
4140 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4141 (machopic_indirect_call_target): Likewise.
4143 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4145 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4147 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4149 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4151 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4153 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4155 2006-01-24 David Daney <ddaney@avtrex.com>
4158 * configure.ac (enable_tls): New enable option.
4159 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4160 * configure: Regenerate.
4161 * doc/install.texi (--enable-tls): Document new option.
4162 (--disable-tls): Ditto.
4164 2006-01-24 Richard Henderson <rth@redehat.com>
4166 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4167 * alias.c (true_dependence): Respect it.
4168 (canon_true_dependence, write_dependence_p): Likewise.
4169 * builtins.c (get_builtin_sync_mem): Set it.
4171 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4173 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4176 2006-01-24 DJ Delorie <dj@redhat.com>
4178 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4179 for storing constants in single-bit bitfields.
4181 2006-01-25 Ben Elliston <bje@au.ibm.com>
4183 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4185 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4188 * tree-ssa-pre.c (phi_translate): Return NULL
4189 for AGGREGATE_TYPE's.
4191 2006-01-24 Zack Weinberg <zackw@panix.com>
4193 * genautomata.c (process_state_for_insn_equiv_partition):
4194 Use xcalloc for insn_arcs_array.
4195 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4196 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4198 2006-01-24 Richard Henderson <rth@redhat.com>
4200 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4203 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4205 PR rtl-optimization/25890
4206 PR rtl-optimization/25905
4207 * combine.c (expand_compound_operation, expand_field_assignment):
4208 Fail if the bitfield's final position is out of bounds.
4210 2006-01-24 Ian Lance Taylor <ian@airs.com>
4213 * cgraphunit.c (cgraph_output_in_order): Don't clear
4214 cgraph_asm_nodes until after asm strings have been output.
4216 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4218 * fix-header.c (read_scan_file): Add new parameter imultilib when
4219 calling register_include_chains.
4221 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4223 * omp-low.c: Update documentation.
4225 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4226 Daniel Berlin <dberlin@dberlin.org>
4230 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4231 return from the function.
4233 2006-01-22 Zack Weinberg <zackw@panix.com>
4235 * rtl.def (match_code): Add second argument.
4236 * genpreds.c (write_extract_subexp): New function.
4237 (write_match_code): Add path argument. Use write_extract_subexp.
4238 (write_predicate_expr): Pass path to write_match_code.
4239 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4240 not perform a mode test.
4241 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4242 a subexpression does not constrain the top-level code set.
4243 * read-rtl.c (read_rtx_variadic): New function.
4244 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4245 * doc/md.texi: Document new notation.
4246 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4247 (cmpsi_operand): ... here, using new notation.
4249 2006-01-22 Zack Weinberg <zackw@panix.com>
4251 * varray.c: Remove GENERATOR_FILE #ifdefs.
4253 2006-01-22 Zack Weinberg <zackw@panix.com>
4255 * genautomata.c (output_reserved_units_table): Emit nothing if
4256 description->query_units_num is zero. Remove extra blank line.
4257 (output_cpu_unit_reservation_p): Short circuit
4258 if description->query_units_num is zero.
4260 2006-01-22 Zack Weinberg <zackw@panix.com>
4262 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4263 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4264 nor any of the random handful of variables that used to be necessary
4265 when this program was linked with rtlanal.o. Prune set of forward
4266 function declarations.
4267 (struct attr_desc): Remove static_p field.
4268 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4269 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4270 (attr_string): Do not read the character one past the length of
4272 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4273 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4274 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4275 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4276 (make_automaton_attrs): New.
4277 (main): Do not call into genautomata. Call local gen_bypass
4278 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4279 Remove special case for insn_alts.
4280 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4281 varray.h (leftover from previous change). Prune set of forward
4282 function declarations. Remove state_alts fields from all
4283 structures. Remove state_alts_table from struct automaton.
4284 Make everything except main static. Do not maintain num_dfa_decls.
4285 Do not maintain state_alts fields of various structures.
4286 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4287 (add_arc): Remove state_alts argument. All callers updated.
4288 (output_reserved_units_table): Emit #ifdef here...
4289 (output_tables): ...not here. Don't generate state_alts tables.
4290 (expand_automata): Don't generate attributes.
4291 (write_automata): Don't generate state_alts functions.
4292 (main): New function.
4293 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4294 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4295 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4296 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4297 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4298 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4299 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4300 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4302 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4303 * genattrtab.h: Delete file.
4304 * Makefile.in (OBJS-common): Add insn-automata.o.
4305 (insn-automata.o): New rule.
4306 (simple_generated_c): Add insn-automata.c.
4307 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4308 (genprogmd): Add automata.
4309 (build/genattrtab): Needs no extra objects nor libraries.
4310 (build/genautomata): Needs build/vec.o and -lm.
4312 2006-01-22 Zack Weinberg <zackw@panix.com>
4314 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4315 (output_dfa_max_issue_rate, locked_states_num): Delete.
4316 (struct automaton): Add locked_states field.
4317 (output_dead_lock_vect): Save number of locked states in
4318 automaton->locked_states. If it is zero, don't print anything.
4319 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4320 (output_internal_dead_lock_func): Only test the dead_lock_vect
4321 for automata that have locked states.
4322 (output_statistics): Always print the number of locked states for
4323 each automaton. Calculate total number of locked states here.
4324 (write_automata): Don't call output_dfa_max_issue_rate.
4325 * genattrtab.c: Define length_unit_log as a const variable.
4326 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4327 max_insn_queue_index const.
4328 * final.c (length_unit_log): Declare const.
4329 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4331 2006-01-22 Zack Weinberg <zackw@panix.com>
4333 * genautomata.c: Include vec.h, not varray.h.
4334 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4335 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4336 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4337 VEC_* macros operating on appropriately typed vectors, or to
4338 malloced arrays when the size is known in advance. Const-ify
4339 many char* variables and function arguments. No functional changes.
4340 * Makefile.in (build/varray.o): Delete rule.
4341 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4342 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4344 2006-01-22 Zack Weinberg <zackw@panix.com>
4346 * gensupport.c: Define get_insn_name and record_insn_name here.
4347 (read_md_rtx): Call record_insn_name as appropriate.
4348 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4349 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4350 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4352 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4353 (BUILD_VARRAY): Delete.
4354 (genprognormal): Rename genprogmd. Fold in all programs from
4355 genprognoprint; also attrtab.
4356 (build/genattrtab): Just mention genautomata.o and varray.o.
4357 Reorganize a bit, add comments to make the categories clearer.
4359 2006-01-22 Zack Weinberg <zackw@panix.com>
4361 * genconditions.c (condition_table, add_condition): Delete.
4362 (write_conditions): Don't emit n_insn_conditions nor
4363 insn_elision_unavailable. Issue the gcc version #ifdef here,
4364 inside the table, with no #else clause ...
4365 (write_header): ...not here.
4366 (write_writer): New function.
4367 (main): Don't initialize condition_table. Use add_c_test.
4369 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4370 files on the command line.
4371 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4372 Return -1 if there is no entry in the table, don't abort.
4373 (add_c_test, traverse_c_tests): New functions.
4374 * gensupport.h (insn_elision_unavailable, insn_conditions)
4375 (n_insn_conditions): Delete declarations.
4376 (add_c_test, traverse_c_tests): Declare.
4377 * read-rtl.c: Include gensupport.h.
4378 (read_conditions): New function.
4379 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4380 (read_rtx_1): If we get EOF when we were looking for an initial
4381 open paren, return 0. Call read_conditions when appropriate.
4382 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4383 dummy-conditions.o. Eliminate references to insn-conditions.o,
4384 or change them to build/gencondmd.o, as appropriate. Remove
4385 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4386 from $(simple_generated_c). For all files remaining in those
4387 two lists, add insn-conditions.md to the generator command line.
4388 Give insn-constants.h/s-constants their own rules. Add rules
4389 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4390 (build/read-rtl.o): Depend on gensupport.h.
4391 (genprognormal): Include preds.
4392 (genprogearly): Rename genprognoprint; only difference is now that
4393 they don't link with $(BUILD_PRINT).
4394 * dummy-conditions.c: Delete.
4396 2006-01-22 Zack Weinberg <zackw@panix.com>
4398 * genextract.c: Don't include insn-config.h. Do include vec.h.
4399 Declare vectors of int, char, and locstr.
4400 (locstr): New typedef.
4401 (struct extraction): Make all array fields into bare pointers.
4402 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4403 (insn_code_number): Delete.
4404 (accum_extract): New struct.
4405 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4406 (gen_insn): Take insn_code_number as an argument. Use an
4407 accum_extract structure instead of loading data directly into
4408 a struct extraction, and having to know how big it might get.
4409 (walk_rtx): Operate entirely on an accum_extract structure.
4410 (print_path): Avoid unnecessary use of printf.
4411 (print_header): New function, split out of main. Distinguish
4412 more carefully between an unrecognizable insn and an insn that
4413 has the code number of a define_expand.
4414 (main): Pass insn_code_number to gen_insn. Call print_header
4415 only after parsing. Avoid unnecessary use of printf.
4416 * Makefile.in (build/vec.o): New rule.
4417 (build/genextract): Depend on build/vec.o.
4418 (build/genextract.o): Don't depend on insn-config.h.
4420 2006-01-22 Zack Weinberg <zackw@panix.com>
4422 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4423 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4424 practical. Eliminate per-generator-program link rules.
4426 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4429 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4430 with a call expr to ...
4431 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4433 2006-01-23 Richard Guenther <rguenther@suse.de>
4435 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4436 before make_edge with conditional EDGE_TRUE_VALUE.
4438 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4439 Jan Hubicka <jh@suse.cz>
4440 Richard Guenther <rguenther@suse.de>
4442 PR rtl-optimization/25654
4443 * cfgexpand.c (aggregate_contains_union_type): New function.
4444 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4445 for structure variables that contain a union type.
4447 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4449 * gengtype.c (new_structure): Return the structure.
4450 (create_option): Add an extra "next" argument.
4451 (create_field): New function.
4452 (adjust_field_rtx_def): Use create_option and create_field.
4453 Remove a now-unnecessary call to find_structure.
4454 (adjust_field_tree_def): Likewise.
4455 (note_yacc_type): Remove an unnecessary call to find_structure.
4456 * gengtype.h (new_structure): Return the structure.
4457 (create_option): Add an extra argument.
4458 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4459 (option): Adjust calls to create_option.
4461 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4463 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4465 2006-01-22 Paul Brook <paul@codesourcery.com>
4466 Peter Barada <peter@the-baradas.com>
4468 * config/m68k/m68k.md: Add Coldfire FPU support.
4469 Define FP mode macro and associated attributes.
4470 Use it for float mode patterns.
4471 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4472 (LIBCALL_VALUE): Use m68k_libcall_value.
4473 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4474 (m68k_function_value): Ditto.
4475 (emit_move_sequence): Ditto.
4476 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4477 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4478 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4479 (MULTILIB_EXCEPTIONS): Ditto.
4480 * config/m68k/m68k.opt: Add mcfv4e.
4481 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4482 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4483 (m68k_output_function_prologue): Save ColdFire FPU registers.
4484 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4485 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4486 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4487 ColdFire FPU registers.
4488 (m68k_libcall_value, m68k_function_value): New functions.
4489 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4490 (LIBCALL_VALUE): Use m68k_libcall_value.
4491 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4492 (MASK_COLDFIRE): Add MASK_CFV4E.
4493 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4494 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4495 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4496 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4497 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4498 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4499 * doc/invoke.tex: Document -mcfv4e on m68k.
4501 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4503 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4506 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4509 * c-opts.c (c_common_handle_option): Don't include
4510 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4511 * doc/invoke.texi (C++ Dialect Options): Document that
4512 -Wnon-virtual-dtor is no longer included in -Wall.
4514 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4516 * gcov.c (print_version), gcov-dump.c (print_version),
4517 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4520 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4522 * df-scan.c (problem_SCAN): Added NULL reset function.
4523 (df_scan_reset_blocks): Added code to call reset block function
4524 (df_bb_refs_delete) Fixed comment.
4525 (df_insn_refs_delete): Made tolerant of deleting non existent info
4526 for dataflow problems that need to be reset.
4527 * df-core.c (df_set_blocks): Ditto.
4528 * df.h (struct df_problem): Added reset_fun.
4529 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4530 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4531 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4532 functions to clear out all references to def-use or use-def chains.
4534 2006-01-21 Ben Elliston <bje@au.ibm.com>
4536 * varasm.c (assemble_real): Initialise data array.
4538 2006-01-20 Paul Brook <paul@codesourcery.com>
4540 Merge from csl-arm-branch.
4541 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4542 * config/arm/arm.md (movdi): Force operands[1] to a register
4543 if we have a non-register source.
4544 (*arm_movdi, *movdf_soft_insn): Require that one of the
4545 operands be a register.
4546 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4547 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4549 2006-01-20 DJ Delorie <dj@redhat.com>
4551 * varasm.c (initialize_constant_valid_p): Allow pointers
4552 initialized from integer constants of lesser precision.
4553 (output_constant): Allow non-int-sized pointer modes to be
4554 initialized from integer constants.
4556 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4559 * cppdefault.h (struct default_include): Add multilib flag.
4560 * cppdefault.c (cpp_include_defaults): Set it.
4561 * c.opt (-imultilib): New option.
4562 * c-opts.c (imultilib): New.
4563 (c_common_handle_option): Handle -imultilib.
4564 (c_common_post_options): Likewise.
4565 * c-incpath.c (add_standard_paths, register_include_chains):
4567 * c-incpath.h (register_include_chains): Add extra parameter.
4568 * gcc.c (do_spec_1): Generate -imultilib option.
4569 (The Specs Language): Update %I description.
4570 (process_command): Update copyright notice.
4571 * doc/cppopts.texi (-imultilib): Document.
4572 * doc/invoke.texi (-imultilib): Include in option summary.
4573 (%I): Update specs documentation.
4575 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4577 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4579 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4581 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4584 2006-01-20 Richard Guenther <rguenther@suse.de>
4585 Steven Bosscher <stevenb.gcc@gmail.com>
4587 PR rtl-optimization/24626
4588 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4589 EDGE_TRUE_VALUE if in RTL mode.
4592 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4593 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4595 2006-01-20 Dirk Mueller <dmueller@suse.com>
4598 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4599 instead of a special NOP marker.
4600 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4601 NOP marker handling.
4602 * c-common.h (empty_body_warning): Add forward declaration.
4603 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4604 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4606 2006-01-20 Paul Brook <paul@codesourcery.com>
4608 * Makefile.in (lang_checks): Keep going if mkdir fails.
4610 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4612 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4613 be able to clean out basic block when not necessary.
4614 (df_scan_free): Fixed to properly delete information if df is
4615 unused before calling df_finish.
4616 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4617 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4619 (df_bb_refs_delete): New function.
4620 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4621 * df-core.c (df_set_blocks): Added code to properly clean out
4622 unused blocks if they are not part of the blocks to consider.
4623 Added additional null check.
4624 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4625 be able to clean out basic block when not necessary
4626 * df.h (df_free_bb_function): Ditto.
4627 (df_bb_refs_delete): New function.
4628 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4629 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4630 basic block parameter to be able to clean out basic block when not
4632 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4633 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4634 Fixed to properly delete information if df is unused before
4637 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4639 PR rtl-optimization/25799
4640 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4641 Corrected confluence operator to remove bits from op2 before oring
4642 with op1 rather than removing bits from op1.
4643 (df_ru_transfer_function): Corrected test on wrong bitmap which
4644 caused infinite loop. Both of these problems were introduced in
4645 the dataflow rewrite.
4647 2006-01-19 DJ Delorie <dj@redhat.com>
4649 * reload1.c (find_reload_regs): Note the details of reload
4650 failures in the dump file.
4651 (spill_failure): Likewise.
4653 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4655 * loop-iv.c: Include df.h and hashtab.h.
4656 (enum iv_grd_result): New enum.
4657 (DF_REF_IV, DF_REF_IV_SET): New macros.
4658 (struct biv_entry): New.
4659 (df, bivs): New global variables.
4660 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4661 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4663 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4664 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4665 analyzed_for_bivness_p, record_biv): New functions.
4666 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4667 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4668 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4670 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4672 (iv_number_of_iterations): Use new interface to iv analysis.
4673 * loop-unroll.c: Do not include varray.h.
4674 (analyze_iv_to_split_insn): Use new interface to iv
4676 * loop-unswitch.c (may_unswitch_on): Ditto.
4677 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4679 (df_bb_modify): Realloc tables to the new index.
4680 (df_find_use): New function.
4681 * df.h (df_find_use): Declare.
4682 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4684 * cfgloop.h (struct rtx_iv): Remove analysed field.
4685 (iv_get_reaching_def): Removed.
4686 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4687 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4688 (loop-iv.o): Add df.h and hashtab.h dependency.
4689 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4691 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4694 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4696 (__floatundisf, __floatundidf): Likewise.
4697 * libgcc2.h (IS_IBM_EXTENDED): Define.
4699 2006-01-19 DJ Delorie <dj@redhat.com>
4701 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4703 2006-01-19 Paul Brook <paul@codesourcery.com>
4705 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4706 as nothrow when unwinding tables are disabled.
4708 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4711 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4712 of bit-field" when in system header.
4714 2006-01-19 DJ Delorie <dj@redhat.com>
4716 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4717 the 16 bit shift limit of the m16c.
4719 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4722 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4723 * config/i386/i386.c (output_set_got): Output the label if we have one
4724 for the TARGET_DEEP_BRANCH_PREDICTION case.
4726 2006-01-19 Jan Hubicka <jh@suse.cz>
4727 H.J. Lu <hongjiu.lu@intel.com>
4728 Evandro Menezes <evandro.menezes@amd.com>
4730 * invoke.texi (generic): Document
4732 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4733 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4734 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4735 (x86_use_incdec, x86_pad_returns): New variables
4736 (TARGET_CPU_DEFAULT_generic): New constant
4737 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4738 (enum processor_type): Add generic32 and generic64.
4739 * i386.md (cpu attribute): Add generic32/generic64
4740 (movhi splitter): Behave sanely when both partial_reg_dependency and
4741 partial_reg_stall are set.
4742 (K8 splitters): Enable for generic as well.
4743 * predicates.md (incdec_operand): Use TARGET_INCDEC
4744 (aligned_operand): Avoid memory mismatch stalls.
4745 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4746 * ppro.md: Enable for generic32
4747 * i386.c (generic64_cost, generic32_cost): New.
4748 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4749 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4750 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4751 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4752 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4753 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4754 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4755 x86_accumulate_outgoing_args, x86_prologue_using_move,
4756 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4757 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4759 (x86_use_incdec, x86_pad_returns): New.
4760 (override_options): Add generic32 and generic64, translate "generic"
4761 to generic32/generic64 and "i686" to "generic32", refuse
4762 "generic32"/"generic64" as arch target.
4763 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4764 (ix86_reorg): Honor PAD_RETURNS.
4766 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4768 * tree-pretty-print.c (dump_generic_node): Handle
4769 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4770 * cgraph.c (cgraph_expand_queue): Rename from
4771 cgraph_analyze_queue. Update all users.
4772 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4773 cgraph_expand_queue.
4774 (cgraph_expand_all_functions): Likewise.
4775 (cgraph_finalize_pending_functions): Remove. Update callers.
4777 * tree.h (OMP_DIRECTIVE_P): Define.
4778 (OMP_PARALLEL_FN): Define.
4779 (OMP_PARALLEL_DATA_ARG): Define.
4780 (OMP_SECTIONS_SECTIONS): Define.
4781 * tree-pass.h (pass_expand_omp): Declare.
4782 * omp-low.c (struct omp_region): Declare.
4783 (struct omp_context): Remove fields 'parallel_type',
4784 'parallel_start_ix' and 'parallel_start_additional_args'.
4786 (struct omp_for_data): Rename from struct expand_omp_for_data.
4787 (omp_regions): New static variable.
4788 (root_omp_region): New static variable.
4789 (find_omp_clause): Make static.
4790 (is_in_combined_parallel_ctx): Remove.
4791 (is_combined_parallel): New.
4792 (extract_omp_for_data): Move earlier in the file.
4793 (workshare_safe_to_combine_p): New.
4794 (get_ws_args_for): New.
4795 (determine_parallel_type): Move earlier in the file.
4796 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4798 (omp_copy_decl): Likewise.
4799 (create_omp_child_function): Likewise.
4800 (lookup_omp_region): New.
4801 (dump_omp_region): New.
4802 (debug_omp_region): New.
4803 (debug_all_omp_regions): New.
4804 (new_omp_region): New.
4805 (scan_omp_parallel): If parallel_nesting_level > 1, the
4806 directive is nested within another parallel directive.
4807 Set OMP_PARALLEL_FN.
4808 (scan_omp_for): Do not try to handle combined parallel+for
4810 Remove FIXME comment.
4811 (scan_omp_nested): Remove.
4812 (scan_omp_1): Do not call scan_omp_nested when
4813 parallel_nesting_level is > 1.
4814 Do not change the DECL_CONTEXT of local variables found.
4815 (lookup_decl_in_outer_ctx): New.
4816 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4817 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4818 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4819 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4820 If CTX is nested, lookup VAR in the outer context when
4821 building copy assignment.
4822 (lower_send_clauses): Rename from expand_send_clauses.
4823 If CTX is nested, lookup VAR in the outer context when
4824 building copy assignments.
4825 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4826 If CTX is nested, lookup VAR in the outer context when
4827 building copy assignments.
4828 (expand_parallel_call): Rename from build_parallel_call.
4829 Handle combined parallel+workshare cases.
4830 Re-implement to emit code into the CFG.
4832 (expand_omp_parallel): Re-implement to emit code into the CFG.
4833 Call move_sese_region_to_fn to outline the sub-graph
4834 containing the parallel region.
4835 (expand_omp_for_1): Remove.
4836 (expand_omp_for_generic): Re-implement to emit code into the
4838 (expand_omp_for_static_nochunk): Likewise.
4839 (expand_omp_for_static_chunk): Likewise.
4840 (expand_omp_for): Likewise.
4841 (expand_omp_sections): Likewise.
4842 (remove_exit_barriers): New.
4843 (expand_omp_synch): New.
4845 (build_omp_regions_1): New.
4846 (build_omp_regions): New.
4847 (execute_expand_omp): New.
4848 (gate_expand_omp): New.
4849 (pass_expand_omp): Define.
4850 (lower_omp_sections): Rename from expand_omp_sections.
4851 Set OMP_SECTIONS_SECTIONS.
4852 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4853 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4854 (lower_omp_single): Rename from expand_omp_simple.
4855 (lower_omp_master): Rename from expand_omp_master.
4856 (lower_omp_ordered): Rename from expand_omp_ordered.
4857 (lower_omp_critical): Rename from expand_omp_critical.
4858 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4859 (lower_omp_for): Re-implement.
4860 (lower_omp_parallel): Re-implement.
4861 (lower_regimplify): Rename from expand_regimplify.
4862 (lower_omp_1): Rename from expand_omp_1.
4863 If there are syntax errors in the program, replace every
4864 OpenMP directive with NOP.
4865 Call lower_omp_* instead of expand_omp_*.
4866 (lower_omp): Rename from expand_omp.
4868 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4869 * tree-gimple.h (enum omp_parallel_type): Remove.
4870 (gimple_boolify): Declare extern.
4871 (find_omp_clause, determine_parallel_type): Remove.
4873 * gimple-low.c (lower_omp_directive): New.
4874 (lower_stmt): Call it.
4875 (record_vars_into): Move from ...
4876 (record_vars): ... here.
4877 Call record_vars_into with current_function_decl.
4879 * gimplify.c (struct gimplify_ctx): Remove fields
4880 combined_pre_p and combined_ctxp. Update users.
4881 (get_formal_tmp_var): Add documentation.
4882 (gimple_boolify): Make extern.
4883 (gimplify_expr_in_ctx): Remove. Update callers.
4884 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4885 will always be a BIND_EXPR.
4886 (gimplify_expr): Handle OMP_RETURN_EXPR.
4887 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4888 (OMP_PARALLEL): Add 3 operands.
4889 (OMP_SECTIONS): Add 1 operand.
4890 (OMP_RETURN_EXPR): Define.
4892 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4893 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4894 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4895 creating a circular free list.
4896 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4898 * tree-flow.h (move_sese_region_to_fn): Declare.
4899 (record_vars_into): Declare.
4900 * tree-cfg.c (make_omp_sections_edges): New.
4901 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4902 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4903 OMP_SECTIONS and OMP_SECTION.
4904 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4905 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4906 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4907 (gather_blocks_in_sese_region): New.
4908 (struct move_stmt_d): Declare.
4910 (move_block_to_fn): New.
4911 (move_sese_region_to_fn): New.
4913 * passes.c (init_optimization_passes): Schedule
4914 pass_expand_omp after pass_init_datastructures.
4916 * tree-ssa-operands.c (get_expr_operands): Handle
4917 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4918 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4920 2006-01-19 Jeff Law <law@redhat.com>
4922 * tree-vrp.c (extract_range_from_assert): Refine the result range
4923 if the variable referenced by the ASSERT_EXPR has a range and
4924 either the tentative result range or the previous range is a
4927 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4929 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4931 2006-01-19 Jan Hubicka <jh@suse.cz>
4933 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4935 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4937 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4938 (expand_compound_operation, expand_field_assignment): Fail if the
4939 bit lengths of an extract operation are out of range.
4940 (make_extraction): Compute wanted_inner_mode based on the position
4941 and length of the extraction. Make it extraction_mode for non-constant
4942 positions, and do not modify offset in that case. When generating a
4943 new MEM, use a mode that can hold the extraction while keeping correct
4944 alignment. Remove code that supported MEMs wrapped by USEs.
4945 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4947 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4949 * config/s390/s390.md ("Y", "y"): New mode attribute.
4950 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4951 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4952 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4953 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4954 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4955 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4956 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4957 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4958 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4959 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4960 "addsi3", "subsi3"): Insn patterns removed.
4961 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4962 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4963 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4964 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4965 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4966 "*sub<mode>3_cconly2"): New insn patterns.
4967 ("addsi3", "subsi3"): New expanders.
4969 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4971 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4972 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4973 existing STMT_VINFO_VECTYPE if available.
4974 (vect_mark_relevant): Add special handling for stmts that are
4975 marked as STMT_VINFO_IN_PATTERN_P.
4976 (vect_analyze_loop): Call vect_pattern_recog.
4977 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4978 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4980 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4981 (vect_recog_func_ptr): New function-pointer type.
4982 * tree-vect-patterns.c: New file.
4983 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4984 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4985 (vect_pattern_recog_1): New functions.
4986 (vect_pattern_recog_funcs): New array of function pointers.
4988 * tree-vectorizer.h (ternary_op): New enum value.
4989 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4990 declaration. Revised documentation. Removed redundant dump prints.
4991 Removed redundant argument. Added support for reduction patterns.
4992 (vectorizable_reduction): Added support for reduction patterns.
4993 (vect_transform_stmt): Added support for patterns.
4995 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4996 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4997 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4998 (expand_widen_pattern_expr): New function.
4999 (init_optabs): Initialize new optabs udot_prod_optab,
5001 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
5002 (sdot_prod_optab, udot_prod_optab): Define new optabs.
5003 (expand_widen_pattern_expr): New function declaration.
5004 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
5006 * tree-inline.c (estimate_num_insns_1): Added cases for new
5007 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5008 * tree-pretty-print.c (dump_generic_node): Likewise.
5009 (op_prio): Likewise.
5010 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5011 * tree-ssa-operands.c (get_expr_operands): Added case for
5013 * tree-vect-patterns.c (widened_name_p): New function.
5014 (vect_recog_dot_prod_pattern): Added function implementation.
5015 * tree-vect-transform.c (get_initial_def_for_reduction): Added
5016 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
5017 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
5018 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
5020 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
5021 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
5022 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
5023 (init_optabs): Initialize new optabs widen_ssum_optab,
5025 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
5026 (widen_ssum_optab, widen_usum_optab): Define new optabs.
5027 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
5028 use instead of type of def.
5029 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
5030 function implementation.
5031 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
5032 widen_ssumv8hi): New.
5034 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
5037 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5040 * c-decl.c (add_flexible_array_elts_to_size): New function.
5041 (finish_decl): Use it.
5043 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5045 * diagnostic.h: Include options.h.
5046 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
5047 dependancies for diagnostic.h.
5048 * Makefile.in (DIAGNOSTIC_H): Add options.h.
5050 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
5052 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
5053 (ssa_ro_call_cache_valid): Ditto.
5054 * tree-ssa-alias.c (sort_tags_by_id): New function.
5055 (init_transitive_clobber_worklist): Ditto.
5056 (add_to_worklist): Ditto.
5057 (mark_aliases_call_clobbered): Ditto.
5058 (compute_tag_properties): Ditto.
5059 (set_initial_properties): Ditto.
5060 (compute_call_clobbered): Ditto.
5061 (compute_may_aliases): Call compute_call_clobbered and grouping.
5062 (compute_flow_sensitive_aliasing): Remove clobbering related code.
5063 (compute_flow_insensitive_aliasing): Grouping now happens in our
5065 (setup_pointers_and_addressables): Remove clobbering related code.
5066 (add_may_alias): Ditto.
5067 (replace_may_alias): Ditto.
5068 (get_nmt_for): Ditto.
5069 (create_global_var):
5070 (is_escape_site): Return an escape_type enumeration.
5071 * tree-flow-inline.h (is_call_clobbered): Global var does not
5072 imply call clobbered.
5073 (mark_call_clobbered): Take a reason for marking this. Remove
5074 marking of globalness, and cache invalidation.
5075 (clear_call_clobbered): Remove cache invalidation code.
5076 * tree-dfa.c (dump_variable): If details is on, dump the reason
5078 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5080 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5081 (struct var_ann_d): Ditto.
5082 (enum escape_type): New.
5083 (mark_call_clobbered): Adjust prototype.
5084 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5085 are never call clobbered.
5086 Record reasons for escaping.
5087 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5088 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5089 (ssa_ro_call_cache_valid): Ditto.
5090 (clobbered_v_may_defs): Ditto.
5091 (clobbered_vuses): Ditto.
5092 (ro_call_vuses): Ditto.
5093 (clobber_stats): New.
5094 (init_ssa_operands): Zero out clobber stats.
5095 (fini_ssa_operands): Print out clobber stats.
5096 (get_call_expr_operands): Pass callee fndecl to
5098 (add_call_clobber_ops): Remove use of cache.
5099 Add use of PURE_CONST information.
5100 (add_call_read_ops): Remove use of cache.
5101 Add use of static not_read information.
5103 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5105 Introduce TLS descriptors for i386 and x86_64.
5106 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5107 (TARGET_ANY_GNU_TLS): New macro.
5108 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5109 (struct machine_function): Add tls_descriptor_call_expanded_p.
5110 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5111 (ix86_current_function_calls_tls_descriptor): Likewise.
5112 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5113 (override_options): Introduce gnu2 tls dialect.
5114 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5116 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5118 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5119 (ix86_init_machine_status): Initialize new field.
5120 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5121 (ix86_tls_module_base): New.
5122 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5123 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5124 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5125 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5126 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5127 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5128 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5129 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5130 * config/i386/predicates.md (tls_modbase_operand): New.
5131 (tp_or_register_operand): New.
5133 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5135 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5136 (look_for_address_of): Ditto.
5137 (ipa_init): Walk the function decls.
5138 (static_execute): Don't set readonly on FUNCTION_DECL's.
5140 2006-01-18 Roger Sayle <roger@eyesopen.com>
5142 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5143 for shifts where the source and destination registers are different.
5145 2006-01-18 Paul Brook <paul@codesourcery.com>
5147 Merge from csl-arm-branch.
5148 2005-03-14 Julian Brown <julian@codesourcery.com>
5149 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5150 (aeabi_llsl): Likewise.
5151 (ashrdi3): Likewise.
5152 (aeabi_lasr): Likewise.
5153 (lshrdi3): Likewise.
5154 (aeabi_llsr): Likewise.
5155 2005-03-10 Julian Brown <julian@codesourcery.com>
5156 * config.gcc: Disable shared libgcc for SymbianOS.
5157 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5159 2006-01-18 DJ Delorie <dj@redhat.com>
5161 * c-pragma.c (handle_pragma_diagnostic): New.
5162 (init_pragma): Register it.
5163 * doc/extend.texi: Document it.
5165 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5166 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5167 (diagnostic_context): Add classify_diagnostic[].
5168 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5169 as errors if they're overridden to DK_WARNING.
5170 (diagnostic_initialize): Initialize classify_diagnostic[].
5171 (diagnostic_set_kind_override): New.
5172 (diagnostic_report_diagnostic): Check for kind changes.
5173 * opts.c (common_handle_option): Take lang_mask. Update callers.
5175 * common.opt (Werror=): New.
5176 * doc/invoke.texi: Document -Werror=*
5178 2006-01-18 Jeff Law <law@redhat.com>
5180 * tree-vrp.c (test_for_singularity): Correct test for new
5181 min limit. Use operand_equal_p rather than pointer equality
5182 for testing if new min/max values are equal.
5184 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5185 using range information until after propagation and folding.
5187 2006-01-18 Richard Henderson <rth@redhat.com>
5188 Aldy Hernandez <aldyh@redhat.com>
5189 Jakub Jelinek <jakub@redhat.com>
5190 Diego Novillo <dnovillo@redhat.com>
5192 * omp-low.c: New file.
5193 * c-omp.c: New file.
5195 2006-01-18 Richard Henderson <rth@redhat.com>
5196 Jakub Jelinek <jakub@redhat.com>
5197 Diego Novillo <dnovillo@redhat.com>
5199 * doc/invoke.texi: Document -fopenmp.
5200 * tree-dump.h (debug_function): Declare.
5201 * hooks.c (hook_bool_tree_bool_false): New function.
5202 (hook_tree_tree_null): Remove.
5203 (hook_tree_tree_tree_null): New.
5204 * hooks.h: Update to match.
5205 * tree-pretty-print.c (debug_tree_chain): New.
5206 (print_generic_expr): Handle TDF_CHAIN.
5207 (dump_generic_node): Handle BLOCK.
5208 Do not abort with incomplete SWITCH_EXPRs.
5209 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5210 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5211 print space after directive name.
5212 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5213 Handle OMP_MASTER and OMP_ORDERED.
5214 Handle printing of OMP_BODY just in one place, goto
5215 dump_omp_body in the rest of OMP_* nodes that have
5217 Don't handle clause nodes here. Update omp statements to
5218 use dump_omp_clauses.
5219 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5220 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5221 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5222 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5223 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5224 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5225 Adjust output for GOMP_PARALLEL.
5226 (dump_omp_clauses): New.
5227 (print_declaration): Dump DECL_VALUE_EXPR.
5228 (op_symbol_1): Split out of op_symbol.
5229 (dumping_stmts): Remove. Update all users.
5230 * cgraph.c (cgraph_analyze_queue): New.
5231 (cgraph_add_new_function): New.
5232 * cgraph.h (cgraph_analyze_queue): Declare.
5233 (cgraph_add_new_function): Declare.
5234 (cgraph_lower_function): Remove.
5235 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5236 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5237 and TYPE_P nodes in its default clause.
5238 (empty_body_p): New.
5239 (tree_range_check_failed): New.
5241 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5242 OMP_CLAUSE_REDUCTION_MERGE,
5243 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5244 OMP_CLAUSE_PRIVATE_DEBUG,
5245 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5246 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5247 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5248 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5249 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5250 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5251 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5252 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5253 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5254 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5255 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5256 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5257 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5258 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5259 (TREE_RANGE_CHECK): New.
5260 (empty_body_p): Declare.
5261 (enum omp_clause_default_kind): New.
5262 (build_string_literal): Declare.
5263 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5264 (build5_stat, build5): Declare.
5265 * tree-pass.h (TDF_CHAIN): Define.
5266 * tree-pass.h (PROP_gimple_lomp): Define.
5267 (pass_lower_omp): Declare.
5268 * diagnostic.h (debug_tree_chain): Declare.
5269 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5271 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5272 * builtins.c (build_string_literal): Make extern.
5273 * gcc.c (include_spec_function): New.
5274 (static_spec_functions): Add it.
5275 (main): Move load of libgomp.spec ...
5276 (LINK_COMMAND_SPEC): ... here.
5277 (link_gomp_spec): New.
5278 (static_specs): Include it.
5279 (LINK_COMMAND_SPEC): Add link_gomp.
5280 (GOMP_SELF_SPECS): New.
5281 (driver_self_specs): Include it.
5282 (switch_matches): Don't mark inline.
5283 (main): Load libgomp.spec.
5284 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5285 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5286 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5287 * tree-gimple.h (enum omp_parallel): Declare.
5288 (determine_parallel_type): Declare.
5289 (omp_firstprivatize_variable): Declare.
5290 (omp_reduction_init): Declare.
5291 (diagnose_omp_structured_block_errors): Declare.
5292 (struct walk_stmt_info): Add want_return_expr.
5293 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5294 (find_omp_clause): Declare.
5295 (insert_field_into_struct): Declare.
5296 (struct walk_stmt_info): Move from tree-nested.c
5297 (walk_stmts): Declare.
5298 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5300 * cgraphunit.c (cgraph_lower_function): Make static.
5301 (cgraph_finalize_pending_functions): New.
5302 (cgraph_finalize_function): Call it.
5303 (cgraph_finalize_compilation_unit): Likewise.
5304 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5305 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5306 (BT_FN_UINT_UINT): New.
5307 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5308 DEF_FUNCTION_TYPE_VAR_4): Document.
5309 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5310 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5311 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5312 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5313 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5314 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5315 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5316 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5317 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5318 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5319 into separate files.
5320 (DEF_GOMP_BUILTIN): New.
5321 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5322 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5323 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5324 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5325 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5326 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5327 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5328 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5329 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5330 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5331 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5332 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5333 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5334 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5335 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5336 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5337 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5338 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5339 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5340 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5341 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5342 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5343 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5344 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5345 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5346 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5347 * sync-builtins.def: New file, moved from builtins.def.
5348 * omp-builtins.def: New file, moved from builtins.def.
5349 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5350 * gimple-low.c (lower_function_body): Clear data.
5351 (lower_stmt): Do not handle COMPOUND_EXPR.
5352 Remove call to print_node_brief.
5353 * c-tree.h (c_finish_omp_clauses): New prototype.
5354 (C_DECL_THREADPRIVATE_P): Define.
5355 (lookup_name_no_remap, c_omp_remap_private): Remove
5356 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5357 (check_for_loop_decls): Update decl.
5358 (lookup_name_no_remap, c_omp_remap_private): Declare.
5359 (build_indirect_ref, build_modify_expr, pushdecl,
5360 pushdecl_top_level): Move to c-common.h.
5361 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5362 before the switch, but just in the 2 places that need it.
5363 * c-decl.c (diagnose_mismatched_decls): Do not check for
5364 mismatched thread-local attributes when OLDDECL is marked
5365 threadprivate and NEWDECL has no thread-local attributes.
5366 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5367 (c_gimple_diagnostics_recursively): Rename from
5368 c_warn_unused_result_recursively. Invoke
5369 diagnose_omp_structured_block_errors.
5370 (check_for_loop_decls): Return a singular decl found.
5371 * langhooks.c (lhd_omp_predetermined_sharing): Return
5372 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5373 (lhd_omp_firstprivatize_type_sizes): New.
5374 (lhd_omp_assignment): New.
5375 (lhd_omp_predetermined_sharing): New.
5376 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5377 (struct lang_hooks_for_types): Add
5378 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5379 omp_predetermined_sharing, omp_disregard_value_expr,
5380 omp_private_debug_clause, omp_clause_default_ctor,
5381 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5382 (c_finish_omp_clauses): New.
5383 (c_finish_bc_stmt): Diagnose break within omp for.
5384 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5385 (build_unary_op): Return error_mark after reporting
5387 (build_modify_expr): Likewise.
5388 * gimplify.c: Include optabs.h and pointer-set.h.
5389 (enum gimplify_omp_var_data): Declare.
5390 (struct gimplify_omp_ctx): Declare.
5391 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5393 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5394 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5395 (splay_tree_compare_decl_uid): New.
5396 (new_omp_context): New.
5397 (delete_omp_context): New.
5398 (gimple_add_tmp_var): Call omp_add_variable.
5399 (gimplify_bind_expr): Likewise.
5400 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5401 true, disregard DECL_VALUE_EXPR on the decl if any.
5402 (gimplify_expr_in_ctx): New.
5403 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5404 omp_add_variable, omp_notice_variable, omp_is_private
5405 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5406 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5407 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5408 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5409 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5410 gimplify_omp_atomic): New.
5411 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5412 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5413 OMP_CRITICAL and OMP_ATOMIC.
5414 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5415 * c-pragma.h (enum pragma_kind): Add
5416 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5417 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5418 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5419 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5420 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5421 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5422 PRAGMA_OMP_THREADPRIVATE.
5423 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5424 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5425 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5426 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5427 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5428 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5429 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5430 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5431 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5432 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5433 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5434 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5435 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5437 (struct nesting_info): Add field_map,
5438 suppress_expansion, debug_var_chain.
5439 (create_nesting_tree): Initialize them.
5440 (lookup_field_for_decl): Use field_map.
5441 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5442 (convert_local_omp_clauses): New.
5443 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5444 (walk_body): Split out of walk_function.
5445 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5446 (convert_nonlocal_reference): Handle omp statements.
5447 (convert_local_reference): Likewise.
5448 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5449 (unnest_nesting_tree): New.
5450 (lower_nested_functions): Call it.
5451 (insert_field_into_struct): Make extern.
5452 (struct walk_stmt_info): Move to tree-gimple.h.
5453 (walk_stmts): Make extern.
5454 * omp-builtins.def: New file.
5455 * tree-iterator.c (expr_only): Clarify comment.
5456 * c-common.h (pushdecl_top_level, pushdecl,
5457 build_modify_expr, build_indirect_ref,
5458 c_finish_omp_master, c_finish_omp_critical,
5459 c_finish_omp_ordered, c_finish_omp_barrier,
5460 c_finish_omp_atomic, c_finish_omp_flush,
5461 c_finish_omp_for, c_split_parallel_clauses,
5462 omp_clause_default_kind, c_omp_sharing_predetermined,
5463 c_omp_remap_decl): Declare.
5464 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5465 (OBJS-common): Add omp-low.o.
5466 (c-omp.o, omp-low.o): Add.
5467 (gimplify.o): Add dependency on $(OPTABS_H).
5468 (GTFILES): Add omp-low.c.
5469 (gt-stringpool.h): Add.
5470 * tree-cfg.c (set_bb_for_stmt): Do not update the
5471 block-to-labels map if we are currently expanding to RTL.
5472 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5474 Handle IDENTIFIER_NODE.
5475 (tree_verify_flow_info): Do not ICE when emitting error
5476 messages about invalid labels.
5477 (dump_function_to_file): Reset CFUN before emitting the body
5479 (debug_function): New.
5480 * passes.c (init_optimization_passes): Schedule
5482 * langhooks-def.h (lhd_omp_predetermined_sharing,
5483 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5485 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5486 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5487 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5488 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5489 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5490 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5491 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5492 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5493 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5494 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5495 (LANG_HOOK_DECLS): Use them.
5497 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5498 Richard Henderson <rth@redhat.com>
5499 Jakub Jelinek <jakub@redhat.com>
5500 Diego Novillo <dnovillo@redhat.com>
5502 * c-parser.c (pragma_omp_clause): Define.
5503 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5504 (c_parser_compound_statement): Likewise.
5505 (c_parser_statement): Likewise.
5506 (c_parser_pragma): Handle omp pragmas.
5507 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5508 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5509 (c_parser_omp_clause_name, check_no_duplicate_clause,
5510 c_parser_omp_variable_list,
5511 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5512 c_parser_omp_clause_copyprivate,
5513 c_parser_omp_clause_default,
5514 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5515 c_parser_omp_clause_lastprivate,
5516 c_parser_omp_clause_nowait,
5517 c_parser_omp_clause_num_threads,
5518 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5519 c_parser_omp_clause_reduction,
5520 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5521 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5522 c_parser_omp_atomic, c_parser_omp_barrier,
5523 c_parser_omp_critical, c_parser_omp_flush,
5524 c_parser_omp_for_loop, c_parser_omp_for,
5525 c_parser_omp_master, c_parser_omp_ordered,
5526 c_parser_omp_sections_scope, c_parser_omp_sections,
5527 c_parser_omp_parallel, c_parser_omp_single,
5528 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5529 * c-pragma.c (init_pragma): Do omp pragma registration here.
5530 * c.opt (fopenmp): New flag.
5532 2006-01-18 Eric Christopher <echristo@apple.com>
5534 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5535 * config/darwin.h (GOMP_SELF_SPECS): Define.
5537 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5539 * rtl.h: Remove the prototype for reg_alloc.
5541 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5544 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5545 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5546 sjlj and dwarf2 exception handling.
5547 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5548 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5549 * pa/pa.c (function_value): Treat complex and vector types as
5551 (function_arg): Likewise. Only pass scalar floats in the floating
5552 point argument registers.
5553 * pa/t-slibgcc-dwarf-ver: New file.
5554 * pa/t-slibgcc-sjlj-ver: New file.
5555 * pa/t-slibgcc-elf-ver: Delete file.
5557 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5559 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5560 unlikely_test_section_p test.
5562 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5564 * mode-switching.c (optimize_mode_switching): Make it static.
5565 * basic-block.h: Remove the prototype for
5566 optimize_mode_switching.
5568 * modulo-sched.c (sms_schedule): Make it static.
5569 * rtl.h: Remove the prototype for sms_schedule.
5571 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5572 * rtl.h: Remove the prototype for gcse_after_reload_main.
5574 * reg-stack.c (reg_to_stack): Make it static.
5575 * rtl.h: Remove the prototype for reg_to_stack.
5577 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5579 * rtl.h: Remove the prototypes for regrename_optimize and
5580 copyprop_hardreg_forward.
5582 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5584 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5585 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5586 Test against the appropriate null constant for the mode.
5587 If 'fixup_overlap' is true, swap the operands if they overlap.
5588 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5589 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5590 alpha_split_tmode_pair and adjust for above change.
5591 * config/alpha/alpha.md (movtf_internal): Adjust call to
5592 alpha_split_tfmode_pair and rely on it to swap the operands.
5593 (movti_internal): New insn and post-reload splitter.
5594 (movti): New expander.
5596 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5598 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5601 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5603 * rtlanal.c (global_reg_mentioned_p_1,
5604 global_reg_mentioned_p): Remove.
5605 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5607 * flow.c (initialize_uninitialized_subregs): Make it static.
5608 * rtl.h: Remove the prototype for
5609 initialize_uninitialized_subregs.
5611 * function.c (instantiate_virtual_regs): Make it static.
5612 * function.h: Remove the prototype for
5613 instantiate_virtual_regs.
5615 * regmove.c (regmove_optimize, combine_stack_adjustments):
5617 * rtl.h: Remove the prototypes for regmove_optimize and
5618 combine_stack_adjustments.
5620 2006-01-17 Roger Sayle <roger@eyesopen.com>
5622 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5623 (size_cost): Encode costs in bytes so that a reg-reg addition is
5624 equivalent to COSTS_N_INSNS(1).
5625 (override_options): Use the size_cost.branch_cost as the default
5626 ix86_branch_cost when optimizing for size.
5628 2006-01-18 Ben Elliston <bje@au.ibm.com>
5630 * Makefile.in (D32PBIT_FUNCS): New.
5631 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5632 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5633 D64PBIT_FUNCS and D128PBIT_FUNCS.
5634 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5635 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5637 (decnumber_dep): Define.
5638 * doc/libgcc.texi (Decimal float library routines): New node.
5639 * config/dfp-bit.h, config/dfp-bit.c: New files.
5641 2006-01-18 Ben Elliston <bje@au.ibm.com>
5643 * expr.c (emit_move_change_mode): Always adjust addresses, not
5644 just during reload. Copy replacements only during reload.
5645 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5646 emit_move_via_integer.
5648 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5650 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5651 instead of $(srcdir) and ${srcdir}.
5653 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5657 * arm.h (struct machine_function): Add pic_reg.
5658 * arm.c (arm_pic_register): Make unsigned.
5659 (arm_override_options): Only set arm_pic_register if
5660 TARGET_SINGLE_PIC_BASE.
5661 (use_return_insn): Only test for a pic register if it is fixed.
5662 (arm_compute_save_reg0_reg12_mask): Likewise.
5663 (thumb_compute_save_reg_mask): Likewise.
5664 (legitimate_pic_operand): Factor out some known invariants.
5665 (legitimize_pic_address): If we don't have a fixed pic register,
5666 then set up a pseudo in the function entry sequence. Handle the
5667 pic base being in a pseudo.
5668 (arm_load_pic_register): Handle the pic register being in a pseudo.
5669 (arm_expand_prologue): Only set up the pic register if it is fixed.
5670 (thumb_expand_prologue): Likewise.
5671 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5672 (pic_load_addr_based_insn): Likewise.
5673 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5676 2006-01-18 Ben Elliston <bje@au.ibm.com>
5678 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5679 decimal float modes for all floating point registers.
5681 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5682 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5684 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5687 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5688 even when the pointer is not NULL.
5690 2006-01-16 Ian Lance Taylor <ian@airs.com>
5692 * common.opt (ftoplevel-reorder): New option.
5693 * cgraph.c (cgraph_asm_nodes): New global variable.
5694 (cgraph_asm_last_node): New static variable.
5695 (cgraph_order): New global variable.
5696 (cgraph_create_node): Set new order field.
5697 (cgraph_varpool_node): Likewise.
5698 (decide_is_variable_needed): Return true if not
5699 flag_toplevel_reorder.
5700 (cgraph_add_asm_node): New function.
5701 * cgraph.h (struct cgraph_node): Add order field.
5702 (struct cgraph_varpool_node): Add order field.
5703 (struct cgraph_asm_node): Define.
5704 (cgraph_asm_nodes, cgraph_order): Declare.
5705 (cgraph_add_asm_node): Declare.
5706 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5708 (cgraph_varpool_assemble_pending_decls): Call it.
5709 (cgraph_output_pending_asms): New static function.
5710 (cgraph_finalize_compilation_unit): Call it.
5711 (struct cgraph_order_sort): Define.
5712 (cgraph_output_in_order): New static function.
5713 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5714 !flag_toplevel_reorder case.
5715 * c-parser.c: Include "cgraph.h".
5716 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5718 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5719 than -fno-unit-at-a-time.
5720 * doc/invoke.texi (Option Summary): Mention
5721 -fno-toplevel-reorder.
5722 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5723 -funit-at-a-time documentation.
5725 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5726 Kazu Hirata <kazu@codesourcery.com>
5728 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5730 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5732 * Makefile.in (FUNCTION_H): New. Use it instead of
5733 function.h throughout the file.
5734 * function.h: Include tree.h.
5736 2006-01-17 Ben Elliston <bje@au.ibm.com>
5738 * recog.c: Separate some functions with whitespace.
5740 2006-01-16 Richard Henderson <rth@redhat.com>
5742 Merge from gomp branch:
5743 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5744 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5745 and rename from struct inline_data. Rename callee* to dst*;
5746 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5747 transform_new_cfg, transform_return_to_modify, and
5748 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5750 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5751 (copy_decl_for_dup): Remove.
5752 * tree-inline.c (struct inline_data): Move to header.
5753 (insert_decl_map): Export.
5754 (remap_decl): Update for member name changes. Use copy_decl hook.
5755 Allow for replacement to be a non-decl. Remove dead code.
5756 (remap_type_1): Check for existing mapping.
5757 (remap_type): Export.
5758 (remap_decls): Update for member name changes.
5759 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5760 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5761 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5762 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5763 (tree_function_versioning, build_duplicate_type): Likewise.
5764 (copy_body_r): Likewise. Export.
5765 (copy_decl_for_dup): Split into ...
5766 (copy_decl_for_dup_finish, copy_decl_to_var,
5767 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5768 (replace_ref_tree, inlining_p): Remove.
5770 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5772 * ifcvt.c (if_convert): Make it static.
5773 * rtl.h: Remove the prototype for if_convert.
5775 * local-alloc.c (local_alloc): Make it static.
5776 * rtl.h: Remove the prototype for local_alloc.
5778 * loop.c (loop_optimize): Make it static.
5779 * cfgloop.h: Remove the prototype for loop_optimize.
5782 2006-01-16 DJ Delorie <dj@redhat.com>
5784 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5787 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5789 * pa.md: Disparage copies between general and floating-point registers
5790 in 32-bit move patterns.
5792 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5795 * Makefile.in (check-%): Depend on site.exp instead of
5796 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5799 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5801 * global.c (global_alloc): Make it static.
5802 * rtl.h: Remove the prototype for global_alloc.
5804 2006-01-16 Richard Guenther <rguenther@suse.de>
5806 * tree-ssa-alias.c (struct used_part): Add write_only field.
5807 (get_or_create_used_part_for): Initialize it to true.
5808 (create_overlap_variables_for): Don't create structure variables
5809 for structures that only are written to.
5810 (find_used_portions): Handle MODIFY_EXPR to track whether a
5811 structure is only written to.
5813 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5815 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5817 * basic-block.h: Remove the prototype for
5818 partition_hot_cold_basic_blocks.
5820 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5822 * cppspec.c (lang_specific_spec_functions): Remove.
5823 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5824 * gcc.h (lang_specific_spec_functions): Remove.
5825 * gccspec.c (lang_specific_spec_functions): Remove.
5827 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5829 * combine.c (record_value_for_reg): Invalidate registers
5831 (record_dead_and_set_regs_1): Likewise, by passing them to
5832 record_value_for_reg.
5833 (record_dead_and_set_regs): Invalidate stores made by a
5834 call. We do not combine across a call, but we still
5835 relied on equivalences.
5837 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5839 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5840 vrp_int_const_binop returning non-constant nodes.
5842 2006-01-16 Paul Brook <paul@codesourcery.com>
5844 * config/m68k/m68k.c (output_move_const_into_data_reg):
5845 Output correct mnemonic for mvz and mvs.
5847 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5849 * rtl-factoring.c: Add sequence abstraction algorithm.
5850 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5851 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5853 (block_has_preserve_label): New function.
5854 * common.opt: Register new pass.
5855 * Makefile.in: Ditto.
5857 * timevar.def: Ditto.
5858 * tree-pass.h: Ditto.
5859 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5860 * rtl.h (make_jump_insn_raw): Add forward decl.
5861 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5863 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5864 Roger Sayle <roger@eyesopen.com>
5866 * fold-const.c (fold_minmax): New static function.
5867 (fold_binary) <MIN_EXPR>: Call it.
5868 <MAX_EXPR>: Likewise.
5869 * stor-layout.c (place_field): Use DECL_SIZE consistently
5870 in the computation of the new record size.
5872 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5874 * cse.c (cse_condition_code_reg): Make it static.
5875 * rtl.h: Remove the prototype for cse_condition_code_reg.
5877 * combine.c (combine_instructions): Make it static.
5878 * rtl.h: Remove the prototype for combine_instructions.
5880 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5883 * tree.c (get_file_function_name_long): Concatenate the first global
5884 object name with a string derived from the input filename of the object
5887 2006-01-16 Ben Elliston <bje@au.ibm.com>
5889 * config/i386/winnt-stubs.c: Update FSF address.
5890 * config/xtensa/ieee754-df.S: Ditto.
5891 * config/xtensa/ieee754-sf.S: Ditto.
5893 2006-01-14 Ian Lance Taylor <ian@airs.com>
5895 * ifcvt.c (noce_init_if_info): New static function, broken out of
5896 noce_process_if_block.
5897 (noce_process_if_block): Call noce_init_if_info.
5898 (check_cond_move_block): New static function.
5899 (cond_move_process_if_block): New static function.
5900 (process_if_block): Call cond_move_process_if_block.
5902 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5904 * cselib.c (hash_table): Rename to cselib_hash_table.
5905 (cselib_clear_table, discard_useless_values,
5906 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5907 cselib_init, cselib_finish): Adjust uses of hash_table.
5909 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5911 PR tree-optimization/25485
5912 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5913 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5914 is known to be false and true, respectively.
5916 2006-01-14 Richard Guenther <rguenther@suse.de>
5918 PR tree-optimization/22548
5919 PR tree-optimization/22555
5920 PR tree-optimization/22501
5921 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5922 * params.def (salias-max-array-elements): New parameter.
5923 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5924 * doc/invoke.texi (salias-max-array-elements): Document.
5925 * tree-flow-inline.h (var_can_have_subvars): We also handle
5927 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5929 * tree-ssa-structalias.c (params.h): Include.
5930 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5931 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5932 (get_constraint_for): For ADDR_EXPR operating on something
5933 containing an ARRAY_REF, add all subvars to the solution.
5934 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5935 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5936 for creating MUST_DEFs.
5937 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5939 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5941 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5943 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5944 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5945 number_of_iterations_le): New functions.
5946 (number_of_iterations_special): Removed.
5947 (number_of_iterations_exit): Do not use number_of_iterations_special.
5948 * tree.c (unsigned_type_for): Always return integer type.
5950 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5951 Richard Guenther <rguenther@suse.de>
5953 PR rtl-optimization/24257
5954 * gcse.c (find_moveable_store): Only consider a store movable
5955 when the SET_SRC of the insn can be assigned to a register.
5957 2006-01-14 Ian Lance Taylor <ian@airs.com>
5959 * tree.c (tree_not_class_check_failed): New function.
5960 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5961 (tree_not_class_check_failed): Declare.
5963 2006-01-13 Ian Lance Taylor <ian@airs.com>
5965 * reload1.c (do_output_reload): Add assertion rejecting a
5968 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5970 * combine.c (struct reg_stat): Add new fields truncation_label and
5972 (record_value_for_reg): Reset truncated_to_mode.
5973 (record_truncated_value): New function.
5974 (check_promoted_subreg): Call it. Rename to check_conversions.
5975 (combine_instructions): Rename check_promoted_subreg to
5977 (reg_truncated_to_mode): New function.
5978 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5979 (gen_lowpart_or_truncate): New function.
5980 (force_to_mode): Use it instead of gen_lowpart.
5982 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5984 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5985 VAR is a tag, not its type tag.
5987 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5989 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5990 alternatives to match style of other entries.
5991 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5993 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5995 PR tree-optimization/25771
5996 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5999 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
6002 * tree-inline.c (declare_return_variable): If the return variable
6003 was marked as a non gimple complex, set the return slot variable
6004 to be a non gimple comple variable.
6006 2006-01-13 Richard Guenther <rguenther@suse.de>
6008 * builtins.c (expand_builtin_sincos): New function.
6009 (expand_builtin_mathfn_3): Remove dead code, sin and cos
6011 (expand_builtin): Expand sincos using expand_builtin_sincos.
6013 2006-01-12 DJ Delorie <dj@redhat.com>
6015 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
6016 shift counts, separate SI shifts for m32c vs m16c, pass shift type
6017 so that constant shifts can be split.
6018 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
6019 (m32c_valid_pointer_mode): Make static.
6020 (shift_gen_func_for): New.
6021 (m32c_prepare_shift): Use it. Split large const shifts into
6023 * config/m32c/predicates.md (shiftcount_operand): Allow more
6025 (longshiftcount_operand): New.
6026 * doc/md.texi (Machine Constraints): Document In6.
6028 2006-01-13 Ben Elliston <bje@au.ibm.com>
6030 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
6031 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
6034 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
6036 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
6037 to try to avoid clobbering pieces of structures when we know
6038 something about the whole structure.
6039 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
6041 2006-01-13 Ben Elliston <bje@au.ibm.com>
6043 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
6044 return in memory, as this is no limitation is no longer present.
6046 2006-01-12 DJ Delorie <dj@redhat.com>
6048 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
6049 mova with fb, and for fb+0 -> An.
6051 * config/m32c/mov.md (peephole2): Fix enabling logic.
6053 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6054 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
6055 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
6056 FINI_ARRAY_SECTION_ASM_OP): Define.
6058 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
6060 (m32c_legitimize_reload_address): New logic to reload FB to An.
6061 (m32c_output_reg_push): Add newline.
6062 (m32c_output_reg_pop): Likewise.
6064 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
6066 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
6068 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6070 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6072 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6074 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6077 2006-01-11 Ben Elliston <bje@au.ibm.com>
6079 * rtlanal.c (find_reg_note): Assert insn is not null.
6081 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6083 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6086 2006-01-11 Jeff Law <law@redhat.com>
6088 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6090 (mark_threaded_blocks, register_jump_thread): New functions.
6091 (thread_through_all_blocks): Remove unwanted argument. No
6092 longer rely on e->aux to communicate thread target info.
6093 Call mark_threaded_blocks. Release the threaded_blocks
6094 bitmap and threaded_edges vector when complete.
6095 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6096 (threaded_blocks): Remove.
6097 (tree_ssa_dominator_optimize): Remove initialization and
6098 finalization of threaded_blocks. Simplify call to
6099 thread_through_all_blocks.
6100 (thread_across_edge): Call register_jump_thread rather than
6101 storing thread information into e->aux.
6102 (free_all_edge_infos): Simplify now that e->aux is no longer
6103 used to communicate with thread_through_all_blocks.
6104 * tree-flow.h (thread_through_all_blocks): Update prototype.
6105 (register_jump_thread): Prototype.
6107 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6109 * df-core.c (df_compact_blocks, df_bb_replace): Use
6110 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6112 2006-01-11 Richard Guenther <rguenther@suse.de>
6114 PR tree-optimization/25734
6115 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6116 stop propagation after successful propagation to the LHS.
6118 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6120 * basic-block.h (control_flow_graph): Change the type of
6121 x_basic_block_info to VEC(basic_block,gc) *.
6122 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6124 (SET_BASIC_BLOCK): New.
6125 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6126 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6127 * cfgbuild.c (find_basic_blocks): Likewise.
6128 * cfglayout.c (fixup_reorder_chain): Likewise.
6129 * cfgrtl.c (create_basic_block_structure,
6130 rtl_create_basic_block): Likewise.
6131 * ifcvt.c (find_if_case_1): Likewise.
6132 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6135 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6137 * Makefile.in: Removed rotted odf.c entry.
6139 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6142 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6143 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6144 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6145 output pattern modifier, not %e.
6146 * config/cris/cris.c (cris_op_str): Update comment about pattern
6148 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6149 before falling through into...
6150 <case 'E'>: Redefined from old 'e' case.
6152 2006-01-11 Jan Hubicka <jh@suse.cz>
6155 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6157 2006-01-11 Jan Hubicka <jh@suse.cz>
6159 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6160 * i386.c (x86_decompose_lea): Kill.
6161 (ix86_rtx_costs): Kill.
6163 2006-01-11 Jan Hubicka <jh@suse.cz>
6165 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6166 * cgraph.h (cgraph_node): Add inline_decl.
6167 (cgraph_insert_node_to_hashtable): Declare.
6168 (save_inline_function_body): Declare.
6169 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6171 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6172 (cgraph_function_versioning): Update call of tree_function_versioning.
6173 (save_inline_function_body): New function.
6174 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6175 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6176 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6177 (cgraph_default_inline_p): Likewise.
6178 (cgraph_decide_inlining_incrementally): Likewise.
6179 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6180 (copy_bb): Kill saving; do updating of clones.
6181 (copy_cfg_body): Kill saving.
6182 (initialize_inlined-parameters): Likewise.
6183 (expand_call_inline): Likewise.
6185 (tree_function_versioning): New parameter "update_clones".
6186 (inlining_p): Kill saving.
6187 * tree-inline.h (tree_function_versioning): Update prototype.
6188 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6191 2006-01-11 Ian Lance Taylor <ian@airs.com>
6193 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6194 Allow undoing set of machine mode.
6195 (do_SUBST): Use enums instead of is_int.
6196 (do_SUBST_MODE): New function.
6197 (SUBST_MODE): New macro.
6198 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6199 reg and trying to replace reg_regno_rtx with a new register.
6200 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6201 (simplify_set): Use SUBST_MODE.
6202 (distribute_notes): Remove code that tried to update reg notes
6203 for regno_reg_rtx changes.
6205 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6207 PR tree-optimization/23109
6208 PR tree-optimization/23948
6209 PR tree-optimization/24123
6211 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6212 * tree-cfg.c (single_noncomplex_succ): New.
6213 * tree-flow.h (single_noncomplex_succ): Declare it.
6214 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6215 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6216 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6217 insert_bb, register_division_in, insert_reciprocals,
6218 replace_reciprocal, free_bb): New.
6219 (execute_cse_reciprocals_1): Rewritten.
6220 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6221 Do not commit any edge insertion. Always compute dominators and
6222 create the allocation pool.
6223 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6224 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6225 * targhooks.c (default_min_divistions_for_recip_mul): New.
6226 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6227 * passes.c (init_optimization_passes): Run recip after tree loop
6229 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6231 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6232 Kenneth Zadeck <zadeck@naturalbridge.com>
6234 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6235 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6236 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6237 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6238 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6239 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6240 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6241 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6242 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6243 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6244 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6245 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6246 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6247 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6248 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6249 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6250 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6251 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6252 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6253 DF_SCAN_POST_ALLOC): New macros.
6254 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6255 df_free_bb_function, df_local_compute_function, df_init_function,
6256 df_dataflow_function, df_confluence_function_0,
6257 df_confluence_function_n, df_transfer_function,
6258 df_finalizer_function, df_free_function, df_dump_problem_function,
6259 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6260 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6261 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6262 df_urec_bb_info, ) New types.
6263 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6265 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6266 df_analyze_simple_change_some_blocks,
6267 df_analyze_simple_change_one_block, df_compact_blocks,
6268 df_bb_replace, df_bb_regno_last_use_find,
6269 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6270 df_insn_regno_def_p, df_find_def, df_find_use,
6271 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6272 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6273 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6274 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6275 debug_df_chain, df_get_dependent_problem, df_chain_create,
6276 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6277 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6278 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6279 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6280 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6281 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6282 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6283 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6284 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6285 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6286 df_reorganize_refs, df_set_state, df_hard_reg_init,
6287 df_read_modify_subreg_p) New public functions.
6288 * df-core.c: The core dataflow solver and glue routines for rtl
6290 (df_init, df_add_problem, df_set_blocks, df_finish,
6291 df_hybrid_search_forward, df_hybrid_search_backward,
6292 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6293 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6294 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6295 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6296 df_reg_defined, df_find_use, df_reg_used, df_dump,
6297 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6298 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6299 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6300 debug_df_useno, reset_df_after_reload): New functions.
6301 * df-scan.c: The scanning fuctions, once in df.c, completely
6302 rewritten so that they now fully model the functionality of
6303 register usage at the backend.
6304 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6305 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6306 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6307 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6308 df_get_artificial_defs, df_get_artificial_uses,
6309 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6310 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6311 df_refs_delete, df_reorganize_refs, df_set_state,
6312 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6313 df_def_record_1, df_defs_record, df_uses_record,
6314 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6315 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6316 df_record_exit_block_uses, df_hard_reg_init): New functions.
6318 * df-problems.c: Seven concrete dataflow problems that use the
6319 scanning in df-scan.c and are solved by the engine in df-core.c.
6320 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6321 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6322 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6323 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6324 df_ru_free_bb_info, df_ru_alloc,
6325 df_ru_bb_local_compute_process_def,
6326 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6327 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6328 df_ru_transfer_function, df_ru_free, df_ru_dump,
6329 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6330 df_rd_free_bb_info, df_rd_alloc,
6331 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6332 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6333 df_rd_transfer_function, df_rd_free, df_rd_dump,
6334 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6335 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6336 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6337 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6338 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6339 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6340 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6341 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6342 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6343 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6344 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6345 df_urec_mark_reg_use_for_earlyclobber,
6346 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6347 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6348 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6349 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6350 df_chain_create_bb_process_use, df_chain_create_bb,
6351 df_chain_finalize, df_chain_free, df_chains_dump,
6352 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6353 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6354 df_reg_lifetime): New functions.
6355 * df.c: Deleted file.
6356 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6357 consistent with new df api.
6358 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6359 rest_of_handle_sms): Ditto.
6360 * web.c (unionfind_union, union_defs, entry_register, web_main):
6362 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6363 invariant_expr_equal_p, find_defs, check_dependencies,
6364 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6365 free_inv_motion_data, move_loop_invariants): Ditto.
6366 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6367 Update dependencies.
6368 (odf.c): Added defective entry that was deleted later in day.
6369 * sched-deps.c (sched_analyze_1): Ditto.
6371 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6373 * tree-ssa-operands.c (get_expr_operands): Record addressable
6374 variables directly. Do not call add_stmt_operands for CONST_DECLs
6376 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6377 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6379 2006-01-11 Ben Elliston <bje@au.ibm.com>
6381 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6382 function returns true in the positive case.
6384 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6387 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6388 for SI, DI, SF and DF modes. Add alternatives to copy between
6389 general and floating point registers to the 32-bit patterns.
6390 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6391 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6392 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6393 generating 64-bit code.
6394 * config/pa/pa.c (output_move_double): Handle copies between general
6395 and floating registers.
6397 2006-01-10 Stuart Hastings <stuart@apple.com>
6399 * config/i386/i386.md (set_got): Update.
6400 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6401 (builtin_setjmp_receiver): Mach-O support.
6402 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6403 (GOT_SYMBOL_NAME): Define.
6404 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6405 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6406 * config/i386/i386.c (override_options): Revise for Darwin.
6407 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6408 support. (darwin_x86_file_end): New. (output_set_got): Add label
6409 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6410 * config/i386/i386-protos.h (output_set_got): Likewise.
6411 * config/darwin.c (machopic_legitimize_pic_address): Update
6414 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6416 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6417 when MODE isn't BLKmode.
6419 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6421 PR rtl-optimization/25367
6422 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6424 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6427 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6428 for a negative bound.
6430 2006-01-10 Richard Guenther <rguenther@suse.de>
6432 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6433 Never override with anything constraint.
6435 2006-01-10 Jan Beulich <jbeulich@novell.com>
6437 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6438 256 bits when optimize_size.
6440 2006-01-10 Jan Beulich <jbeulich@novell.com>
6442 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6444 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6445 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6448 2006-01-10 Ben Elliston <bje@au.ibm.com>
6450 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6452 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6453 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6454 (USE_FP_FOR_ARG): Reject decimal float modes.
6455 (function_arg_advance): Likewise.
6456 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6457 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6458 point types in AltiVec vectors.
6459 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6460 (rs6000_libcall_value): Likewise.
6462 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6464 * config/xtensa/ieee754-df.S: New file.
6465 * config/xtensa/ieee754-sf.S: New file.
6466 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6467 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6468 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6470 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6472 * config/sh/predicates.md (binary_float_operator,
6473 binary_logical_operator, commutative_float_operator,
6474 equality_comparison_operator, greater_comparison_operator,
6475 less_comparison_operator, logical_operator,
6476 noncommutative_float_operator, shift_operator,
6477 symbol_ref_operand, unary_float_operator): Remove redundant
6480 2006-01-09 Jeff Law <law@redhat.com>
6482 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6483 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6484 now unused arguments. Callers updated.
6485 (eliminate_redundant_computations): Remove now unused arguments,
6487 (local_fold): Remove, no longer used.
6488 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6490 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6491 (simplify_cond): New function.
6492 (forward_propagate_into_cond): Call simplify_cond.
6494 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6496 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6497 (*vec_extractv2di_1_sse): New.
6499 2006-01-09 Ben Elliston <bje@au.ibm.com>
6501 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6503 2006-01-08 Richard Guenther <rguenther@suse.de>
6505 * tree-ssa-structalias.c (get_constraint_for): Remove
6507 (get_constraint_for_component_ref): Likewise.
6508 (do_deref): Likewise.
6509 (get_constraint_for): Likewise.
6510 (do_structure_copy): Likewise.
6511 (handle_ptr_arith): Likewise.
6512 (find_func_aliases): Likewise. Remove unused need_anyoffset
6515 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6516 Kaz Kojima <kkojima@gcc.gnu.org>
6518 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6519 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6520 (EXTRA_CONSTRAINT_C16): Remove.
6521 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6522 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6523 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6524 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6525 constants of SHmedia. Handle nested constant expressions of
6527 (andcosts): Fix the costs for SHmedia constants.
6528 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6529 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6530 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6531 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6532 (movv4hi_i, movv2si_i): Likewise.
6533 (movsi_const): Adjust the second operand of ior so to match with
6535 (movdi_const, movdi_const_32bit): Likewise.
6536 (movdi_const_16bit+1): Don't sign-extend LOW.
6537 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6539 (*double_shori): Fix the split condition. Use GEN_INT instead
6540 of get_int_mode calls. Mask lower 16-bit of the argument of
6542 (sym2GOTPLT): Remove.
6543 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6545 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6546 instead of EXTRA_CONSTRAINT_C16.
6548 2006-01-07 Ian Lance Taylor <ian@airs.com>
6549 David Edelsohn <edelsohn@gnu.org>
6551 PR rtl-optimization/25662
6552 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6553 for constant operands instead of simplify_gen_binary.
6554 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6555 after trying simplify_binary_operation
6557 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6559 * tree.c (iterative_hash_expr): Hash decls based on UID.
6561 2006-01-06 Eric Christopher <echristo@apple.com>
6563 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6564 (TARGET_UNWIND_EMIT): Fix spelling.
6565 * target.h (gcc_target): Add except_table_label.
6566 * except.c (output_function_exception_table): Use.
6567 * varasm.c (default_emit_except_table_label): New.
6568 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6570 (asm_out): Add here.
6571 * output.h (default_emit_except_table_label): Prototype.
6572 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6573 * config/darwin.c (darwin_emit_except_table_label): Define.
6574 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6576 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6578 PR tree-optimization/18527
6579 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6580 number_of_iterations_special, number_of_iterations_exit):
6581 Move base and step of an iv to a single structure. Add
6582 no_overflow flag, and use it in # of iterations analysis.
6583 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6584 folded_casts argument.
6585 (simple_iv): Pass base and step in a structure. Set no_overflow
6587 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6588 Evaluate expensiveness of computing # of iterations instead of
6589 the final expression.
6590 * tree-scalar-evolution.h (affine_iv): New structure.
6591 (simple_iv): Declaration changed.
6592 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6593 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6594 find_givs_in_stmt): Changed due to simple_iv change.
6596 2006-01-06 Jeff Law <law@redhat.com>
6599 * tree-cfg.c (bsi_replace): Rename final argument from
6600 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6601 change (stmt -> orig_stmt).
6602 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6603 (bsi_remove): Add new argument. Remove EH information
6605 (verify_eh_throw_table_statements): New function.
6606 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6608 * tree-optimize.c (execute_free_cfg_annotations): Verify
6609 the EH throw statement table after removing annotations.
6610 * except.h (verify_eh_throw_table_statements): Prototype.
6611 * tree-flow.h (bsi_remove): Update prototype.
6612 * tree-vrp.c (remove_range_assertions): Add new argument to
6614 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6615 * tree-complex.c (expand_complex_div_wide): Likewise.
6616 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6617 * tree-tailcall.c (eliminate_tailcall): Likewise.
6618 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6619 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6620 * tree-nrv.c (tree_nrv): Likewise.
6621 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6622 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6623 (combine_blocks): Likewise.
6624 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6625 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6626 (cleanup_control_flow): Likewise.
6627 (remove_forwarder_block): Likewise.
6628 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6629 * tree-sra.c (sra_replace): Likewise.
6630 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6631 (forward_propagate_single_use_vars): Likewise.
6632 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6633 * tree-inline.c (expand_call_inline): Likewise.
6634 * tree-vect-transform.c (vect_transform_loop): Likewise.
6635 * tree-outof-ssa.c (rewrite_trees): Likewise.
6636 * tree-cfg.c (make_goto_expr_edges): Likewise.
6637 (cleanup_dead_labels): Likewise.
6638 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6639 (bsi_move_before, bsi_move_after): Likewise.
6640 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6641 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6643 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6646 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6648 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6649 on non gimple variables. Also add checks at the top for decls and
6651 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6653 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6654 and IMAGPART_EXPR for creating MUST_DEFs.
6655 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6656 and NAME_MEMORY_TAG separately from the DECLs.
6658 2006-01-06 Richard Guenther <rguenther@suse.de>
6660 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6661 annotation, if necessary.
6662 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6663 redundant calls to update_stmt.
6664 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6667 2006-01-05 Richard Henderson <rth@redhat.com>
6669 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6671 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6673 * c-typeck.c: Update copyright date.
6675 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6677 * c-typeck.c (build_c_cast): Always warn when casting
6678 from a pointer to an integer of different size, even if
6679 the node was constant.
6681 2006-01-05 Richard Guenther <rguenther@suse.de>
6683 PR tree-optimization/22555
6684 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6685 if one structure field is an array.
6686 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6687 operands even if we found a subvar, but ignore VOPs in this
6689 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6691 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6693 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6696 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6698 2006-01-05 Richard Guenther <rguenther@suse.de>
6699 Diego Novillo <dnovillo@redhat.com>
6701 * tree-pass.h (TODO_remove_unused_locals): Define.
6702 * gimple-low.c (expand_var_p, remove_useless_vars,
6703 pass_remove_useless_vars): Remove. Update all users.
6704 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6705 (remove_unused_locals): New function.
6706 * tree-flow.h (remove_unused_locals): Declare.
6707 * passes.c (execute_todo): Call remove_unused_locals if
6708 TODO_remove_unused_locals is set.
6709 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6710 * tree-ssa-dce.c (pass_dce): Likewise.
6711 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6713 2006-01-05 Richard Guenther <rguenther@suse.de>
6715 * tree-flow.h (struct fieldoff): Decompose field to
6716 type, size and decl.
6717 * tree-ssa-alias.c (create_sft): Take type as parameter.
6718 (create_overlap_variables_for): Store type, size and decl
6719 in the fieldoff structure.
6720 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6722 (push_fields_onto_fieldstack): Likewise.
6723 (create_variable_info_for): Likewise. Use offset for the
6724 SFT name if the decl is not available.
6726 2006-01-04 Paul Brook <paul@codesourcery.com>
6728 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6730 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6732 * lambda-code.c (can_put_in_inner_loop): Relax
6734 (can_put_after_inner_loop): New function.
6735 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6736 (perfect_nestify): Change to make copies and modify uses.
6738 2006-01-04 Richard Henderson <rth@redhat.com>
6740 Merge from gomp branch:
6741 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6742 via integer constant.
6743 (pragma_lex): Remove.
6744 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6745 rather than parsing it.
6746 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6747 handle_pragma_extern_prefix): Add %< %> quotes.
6748 (registered_pragmas): New.
6749 (c_register_pragma_1): New.
6750 (c_register_pragma): Use it.
6751 (c_register_pragma_with_expansion): Likewise.
6752 (c_invoke_pragma_handler): New.
6753 (init_pragma): Use cpp_register_deferred_pragma directly for
6755 * c-pragma.h (enum pragma_kind): New.
6756 (pragma_handler): New.
6757 (c_invoke_pragma_handler): Declare.
6758 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6760 * c-common.h (c_common_pch_pragma): Update decl.
6761 * Makefile.in (c-parser.o): Update dependencies.
6762 (GTFILES): Add c-pragma.h.
6763 * c-parser.c (struct c_token): Add pragma_kind.
6764 (struct c_parser): Add in_pragma.
6765 (c_lex_one_token): Always initialize keyword and pragma_kind.
6766 Extract data for CPP_PRAGMA.
6767 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6768 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6769 Don't allow CPP_PRAGMA_EOL if in_pragma.
6770 (c_parser_consume_pragma): New.
6771 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6772 (c_parser_skip_to_end_of_parameter): Likewise.
6773 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6774 (c_parser_skip_to_pragma_eol): New.
6775 (c_parser_external_declaration): Handle CPP_PRAGMA.
6776 (c_parser_compound_statement_nostart): Likewise.
6777 (c_parser_statement_after_labels): Likewise.
6778 (c_parser_pragma): New.
6779 (pragma_lex): Likewise.
6780 (c_parser_pragma_pch_preprocess): New.
6781 (c_parser_new): Merge into ...
6782 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6784 2006-01-04 Jeff Law <law@redhat.com>
6787 * tree-cfg.c (bsi_replace): Remove the original statement
6788 from the EH throw statement table.
6790 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6792 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6793 make the prototype extern "C" and add throw ().
6796 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6797 and pos non-negative and pos + len <= 32.
6798 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6799 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6800 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6803 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6804 as well as sizes not multiple of component size.
6807 * function.c (instantiate_expr): New function.
6808 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6809 walk its DECL_VALUE_EXPR with instantiate_expr.
6811 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6812 DW_OP_deref{,_size} if address isn't going to be added.
6814 2006-01-04 Ben Elliston <bje@au.ibm.com>
6816 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6817 * config/fp-bit.c: Likewise.
6819 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6821 * dominance.c: Add comment about why we use DFS numbering
6824 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6825 Richard Henderson <rth@redhat.com>
6827 Merge from gomp-branch:
6828 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6829 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6831 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6833 PR rtl-optimization/25578
6834 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6835 pass a parameter to simplify_shift_const if changing ASHIFTRT
6838 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6840 * builtins.c (get_builtin_sync_mem): New function.
6841 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6842 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6843 Call get_builtin_sync_mem to generate mem rtx.
6845 2006-01-03 Richard Guenther <rguenther@suse.de>
6848 * stmt.c (add_case_node): Make sure to clear overflow flags
6851 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6853 Merge from gomp-branch.
6854 * config/sparc/sync.md: New file.
6855 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6856 UNSPECV_LDSTUB): New constants.
6857 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6858 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6859 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6862 2006-01-03 Roger Sayle <roger@eyesopen.com>
6864 * combine.c (reg_subword_p): New predicate to test whether the
6865 destination of a set refers to a subword/piece of a register.
6866 (try_combine): Generalize the code to merge the setting of a
6867 pseudo to a constant followed by a set of a subword of that
6868 register to a constant.
6870 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6872 * basic-block.h (control_flow_graph): Change the type of
6873 x_label_to_block_map to VEC(basic_block,gc) *.
6874 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6875 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6877 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6878 VEC(basic_block,heap) *.
6879 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6880 ssa_prop_fini): Adjust the uses of cfg_blocks.
6882 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6884 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6886 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6887 hashing trees instead of a pointer hash.
6888 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6889 compare for MEM_EXPR.
6891 PR rtl-optimization/25130
6892 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6893 when comparing MEMs for GCSE
6895 2006-01-03 Ben Elliston <bje@au.ibm.com>
6897 * targhooks.h (default_decimal_float_supported_p): Declare.
6898 * targhooks.c (default_decimal_float_supported_p): Define.
6899 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6900 `default_decimal_float_supported_p'.
6901 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6903 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6905 * combine.c (apply_distributive_law <SUBREG>): Check
6906 TRULY_NOOP_TRUNCATION.
6908 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6910 * dwarf2out.c (have_switched_text_section): Delete.
6911 (have_multiple_function_sections): New.
6912 (have_location_lists): Make 'bool'.
6913 (add_AT_loc_list): Use 'true' not '1'.
6914 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6915 (output_loc_list): Use have_multiple_function_sections.
6916 (output_ranges): Likewise.
6917 (dwarf2out_begin_function): Set have_multiple_function_sections if
6919 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6920 Check function_section rather than DECL_SECTION_NAME.
6921 (dwarf2out_finish): Use have_multiple_function_sections.
6922 Don't clear have_location_lists.
6924 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6925 Jan Hubicka <jh@suse.cz>
6927 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6928 case of conditional jump jumping to the next instruction.
6929 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6930 cases of conditional jump jumping to the next instruction.
6932 2006-01-02 Jan Hubicka <jh@suse.cz>
6934 * i386.c (*_cost): Add COSTS_N_INSNS.
6935 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6937 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6940 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6942 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6944 * config/arm/arm.c (all_fpus): Fix comment typo.
6945 * config/darwin.c: Likewise.
6946 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6947 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6948 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6950 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6952 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6953 (rs6000_split_compare_and_swapqhi): New.
6954 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6955 (sync_compare_and_swapqhi_internal): New.
6956 * config/rs6000/rs6000-protos.h: Declare.
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