1 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3 * fold-const.c (build_range_check): Make sure to use a valid type to
4 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7 (range_predecessor): New static function.
8 (range_successor): Likewise.
9 (merge_ranges): Use them to compute predecessors and successors of
12 2006-03-09 Roger Sayle <roger@eyesopen.com>
15 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16 X op C3, consider whether C3 overflows towards +Inf or -Inf.
18 2006-03-08 DJ Delorie <dj@redhat.com>
20 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
21 (addpsi3): Expand to include memory operands. Remove
22 reload-specific splits.
23 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
24 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
25 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
26 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
27 (shift1_qi, shift1_hi, insv): New.
28 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
29 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
30 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
32 * config/m32c/m32c-protos.h: Update as needed.
33 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
34 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
35 Fail for unrecognized R* constraints.
36 (m32c_cannot_change_mode_class): Be more picky about pseudos.
37 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
38 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
40 (m32c_init_libfuncs): New.
41 (m32c_legitimate_address_p): Add debug wrapper.
42 (m32c_rtx_costs): New.
43 (m32c_address_cost): New.
44 (conversions): Add 'B' prefix.
45 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
46 operands, or word regnames for QI operands. 'B' prints bit
48 (m32c_expand_setmemhi): New.
49 (m32c_expand_movmemhi): New.
50 (m32c_expand_movstr): New.
51 (m32c_expand_cmpstr): New.
52 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
53 (m32c_expand_neg_mulpsi3): Handle non-ints.
54 (m32c_cmp_flg_0): New.
55 (m32c_expand_movcc): New.
56 (m32c_expand_insv): New.
57 (m32c_scc_pattern): New.
58 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
60 (STORE_FLAG_VALUE): New.
61 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
64 * config/m32c/mov.md: Make constraints more liberal.
65 (zero_extendqihi2): Optimize r0/r1 case.
66 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
67 * config/m32c/predicates.md (m32c_any_operand): New.
68 (m32c_nonimmediate_operand): New.
69 (m32c_hl_operand): New.
70 (m32c_r3_operand): New.
73 (memsym_operand): New.
74 (memimmed_operand): New.
76 (m32c_eqne_operator): New.
77 (m32c_1bit8_operand): New.
78 (m32c_1bit16_operand): New.
79 (m32c_1mask8_operand): New.
80 (m32c_1mask16_operand): New.
81 * config/m32c/blkmov.md: New file.
82 * config/m32c/t-m32c (MD_FILES): Add blkmov.
84 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
86 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
87 unsigned to fix signed/unsigned comparison issue in
89 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
90 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
92 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
93 of ptr into the ENABLE_CHECKING section.
95 2006-03-08 Jeff Law <law@redhat.com>
97 * tree-vrp.c (infer_value_range): Only count pointer uses
98 and dereferences if -fdelete-null-pointer-checks is enabled.
100 * tree-vrp.c (find_assert_locations): Infer value ranges for
101 single use pointers, but do not create ASSERT_EXPRs for them.
102 When a non-null range is inferred for a pointer, backwards
103 propagate that range to other equivalent pointers through the
106 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
109 * Makefile.in (dvi, html, install-info): Invoke the corresponding
110 language hook targets.
111 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
112 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
113 if language hook targets were missing.
115 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
117 * tree-ssa-opfinalize.h: Removed.
118 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
120 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
121 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
122 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
123 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
124 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
125 finalize_ssa_v_must_def_ops): New.
127 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
129 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
132 2006-03-07 Geoffrey Keating <geoffk@apple.com>
134 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
136 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
137 addresses with offsets; reorganize.
139 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
140 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
141 (expand_builtin_init_dwarf_reg_sizes): Likewise.
143 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
146 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
148 2006-03-08 Ben Elliston <bje@au.ibm.com>
150 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
152 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
155 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
158 2006-03-07 Richard Guenther <rguenther@suse.de>
160 PR tree-optimization/26587
161 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
163 2006-03-07 Richard Sandiford <richard@codesourcery.com>
165 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
167 2006-03-07 Richard Sandiford <richard@codesourcery.com>
169 * hooks.c (hook_bool_mode_rtx_true): New function.
170 * hooks.h (hook_bool_mode_rtx_true): Declare.
171 * toplev.c (compile_file): Call output_shared_constant_pool.
172 * varasm.c (shared_constant_pool): New variable.
173 (assemble_start_function, assemble_end_function): Remove arguments
174 from call to output_constant_pool.
175 (create_constant_pool): New function, split out from...
176 (init_varasm_status): ...here.
177 (force_const_mem): Choose between the shared and per-function constant
178 pools. Set current_function_uses_const_pool when reusing old entries
179 as well as when creating new ones.
180 (mark_constant): Ignore data argument.
181 (mark_constants): Remove pool argument.
182 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
183 to decide whether the function uses a constant pool.
184 (output_constant_pool_contents): New function, split out from...
185 (output_constant_pool): ...here.
186 (output_shared_constant_pool): New function.
187 (init_varasm_once): Initialize shared_constant_pool.
188 * output.h (output_constant_pool): Delete.
189 (output_shared_constant_pool): Declare.
190 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
191 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
193 2006-03-06 Nick Clifton <nickc@redhat.com>
195 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
196 flag_strength_reduce.
198 2006-03-06 Ben Elliston <bje@au.ibm.com>
200 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
201 x86_64-*-linux* configurations.
203 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
204 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
206 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
208 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
210 * basic-block.h: Remove the extern for
211 rediscover_loops_after_threading.
213 * cfgloop.c (cancel_loop): Make it static.
214 * cfgloop.h: Remove the prototype for cancel_loop.
216 * flow.c (recompute_reg_usage): Make it static.
217 * rtl.h: Remove the prototype for recompute_reg_usage.
219 * function.c (use_return_register): Make it static.
220 * function.h: Remove the prototype.
222 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
224 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
226 * recog.h: Remove the prototype for
227 validate_change_maybe_volatile.
229 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
231 * rtlanal.c (replace_reg): Remove.
232 * rtl.h: Remove the prototype for replace_reg.
234 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
236 * regclass.c (reg_scan_update): Remove.
237 (reg_scan_mark_refs): Remove the last argument.
238 * rtl.h: Remove the prototype for reg_scan_update.
240 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
242 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
243 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
244 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
245 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
246 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
247 loop-invariant.c, omp-low.c, opts.c, passes.c,
248 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
249 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
250 tree-ssa-structalias.c, tree-ssa-threadedge.c,
251 tree-ssa-threadupdate.c, tree-vect-patterns.c,
252 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
253 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
255 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
257 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
258 * dwarf2out.h: Remove the prototype for
259 dwarf2out_add_library_unit_info.
261 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
263 * tree.c (add_var_to_bind_expr): Remove.
264 * tree.h: Remove the prototype for add_var_to_bind_expr.
266 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
268 * regclass.c (n_non_fixed_regs): Remove.
269 (init_reg_sets_1, globalize_reg): Remove all uses of
271 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
273 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
275 * rtlanal.c (insns_safe_to_move_p): Remove.
276 * rtl.h: Remove the prototype for insns_safe_to_move_p.
278 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
280 * expmed.c (expand_mult_add): Remove.
281 * expr.h: Remove the prototype for expand_mult_add.
283 2006-03-04 Jakub Jelinek <jakub@redhat.com>
285 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
286 and REG_SAVED_VAL_EXP constants.
287 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
288 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
289 Handle regs stored by value.
290 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
291 (execute_cfa_program): Handle DW_CFA_val_offset,
292 DW_CFA_val_offset_sf and DW_CFA_val_expression.
293 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
294 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
295 (uw_install_context_1): Handle target regs stored by value.
297 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
299 * tree-sra.c (tree_sra): Return todoflags;
300 (generate_one_element): Set TODO_update_smt_usage if needed.
301 (pass_sra): Remove TODO_update_smt_usage.
302 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
304 (tree_ssa_forward_propagate_single_use_vars): Return
305 TODO_update_smt_usage if we need to update SMT usage.
306 (pass_forwprop): Remove TODO_update_smt_usage.
308 2006-03-03 Diego Novillo <dnovillo@redhat.com>
310 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
311 (correct_use_link): Remove reference to get_stmt_operands.
312 (update_stmt_operands): Likewise.
313 (get_modify_expr_operands): New function factored out of
314 parse_ssa_operands and get_expr_operands.
315 Try to create V_MUST_DEFs for LHS by default.
316 (get_expr_operands) <case MODIFY_EXPR>: Call
317 get_modify_expr_operands.
318 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
319 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
320 (parse_ssa_operands) <case MODIFY_EXPR>: Call
321 get_modify_expr_operands.
323 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
325 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
326 * tree-flow.h: Remove the prototype for
327 referenced_var_lookup_if_exists.
329 2006-03-03 Steve Ellcey <sje@cup.hp.com>
331 PR rtl-optimization/26345
333 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
335 2006-03-03 Roger Sayle <roger@eyesopen.com>
337 PR tree-optimization/26524
338 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
339 fold_convert to create a constant of the appropriate type.
341 2006-03-03 Richard Sandiford <richard@codesourcery.com>
343 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
344 SYMBOL_REF_IN_BLOCK_P.
345 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
346 of SYMBOL_FLAG_IN_BLOCK.
347 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
348 instead of SYMBOL_REF_IN_BLOCK_P.
349 * explow.c (use_anchored_address): Likewise.
350 * rtl.c (rtx_size): Likewise.
351 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
352 instead of SYMBOL_FLAG_IN_BLOCK.
353 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
354 SYMBOL_REF_IN_BLOCK_P.
355 (assemble_variable): Likewise.
356 (output_constant_def_contents): Likewise.
357 (output_constant_pool): Likewise.
358 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
359 instead of SYMBOL_FLAG_IN_BLOCK.
360 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
361 SYMBOL_REF_IN_BLOCK_P.
362 (SYMBOL_REF_BLOCK): Likewise.
363 (SYMBOL_REF_OFFSET): Likewise.
364 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
365 SYMBOL_REF_IN_BLOCK_P.
366 (SYMBOL_FLAG_IN_BLOCK): Replace with...
367 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
368 (SYMBOL_REF_IN_BLOCK_P): Replace with...
369 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
371 2006-03-03 Jakub Jelinek <jakub@redhat.com>
373 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
375 2006-03-02 Roger Sayle <roger@eyesopen.com>
377 * simplify-rtx.c (simplify_unary_operation): When simplifying
378 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
379 that we perform the right shift in the appropriate mode, and
380 then extend or truncate the result to requested mode.
382 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
384 * gengtype.c (main): Handle double_int type.
385 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
386 * double-int.c: New file.
387 * double-int.h: New file.
388 * system.h: Include doubleint.h.
389 * Makefile.in (SYSTEM_H): Include double-int.h.
392 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
395 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
398 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
400 * tree-vrp.c (remove_range_assertions): Do not update statements
403 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
405 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
407 * gcse.c (rest_of_handle_gcse): Ditto.
408 * except.c (gate_handle_eh): Ditto.
409 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
410 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
412 2006-03-02 Eric Christopher <echristo@apple.com>
414 * config/i386/i386.c (machopic_output_stub): Add indirection to
417 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
421 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
423 Sun Niagara specific optimizations.
424 * config.gcc: Recognize niagara as target.
425 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
426 (TARGET_CPU_niagara): Define.
427 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
428 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
429 (CPP_CPU_SPEC): Handle -mcpu=niagara.
430 (ASM_CPU_SPEC): Likewise.
431 (PROCESSOR_NIAGARA): New enum entry.
432 (REGISTER_MOVE_COST): Handle Niagara.
433 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
434 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
435 (sparc_override_options): Recognize "niagara", set appropriate
436 default MASK_* values for it, and align functions to 32-bytes
437 by default just like ULTRASPARC/ULTRASPARC3.
438 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
439 (sparc64_initialize_trampoline): Likewise.
440 (sparc_use_sched_lookahead): Use zero for niagara.
441 (sparc_issue_rate): Use one for niagara.
442 * config/sparc/niagara.md: New file.
443 * config/sparc/sparc.md: Include it.
444 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
445 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
446 when default cpu is niagara.
447 (CPP_CPU_SPEC): Handle -mcpu=niagara.
448 (ASM_CPU_SPEC): Likewise.
449 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
450 when default cpu is niagara.
451 (ASM_CPU_SPEC): Handle -mcpu=niagara.
452 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
453 just like v9/ultrasparc/ultrasparc3.
454 * doc/invoke.texi: Add documentation for "niagara" and improve
455 existing documentation for ultrasparc variants.
457 2006-03-02 Diego Novillo <dnovillo@redhat.com>
459 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
461 2006-03-02 Richard Sandiford <richard@codesourcery.com>
463 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
464 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
465 and say that only one is needed.
466 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
467 * target.h (have_switchable_bss_sections): New hook.
468 * explow.c (use_anchored_address): Check that the symbol is in a block.
469 * varasm.c (tls_comm_section, comm_section, lcomm_section)
470 (bss_noswitch_section): New variables.
471 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
472 (get_noswitch_section): New function.
473 (get_block_for_section): Allow SECT to be null.
474 (unlikely_text_section_p): Use SECTION_STYLE.
475 (bss_initializer_p): New function.
476 (get_variable_section): Move earlier in file. Take a new argument,
477 prefer_noswitch_p. Move bss checks from assemble_variable to here.
478 Return one of the new *_sections in such cases.
479 (get_block_for_decl): New function, extracting some logic from
480 use_blocks_for_decl_p.
481 (change_symbol_section): Remove in favor of...
482 (change_symbol_block): ...this new function.
483 (use_blocks_for_decl_p): Remove checks now performed by
485 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
486 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
487 (emit_local, emit_bss, emit_common): ...these new functions.
488 Return true if the alignment was honored.
489 (emit_tls_common): New function.
490 (asm_emit_uninitialised): Delete.
491 (assemble_variable_noswitch): New function, split out from...
492 (assemble_variable): ...here. Don't make decisions about common
493 variables here. Globalize all public decls that go into non-common
494 sections. Check whether SYMBOL_REF_BLOCK is null.
495 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
496 (output_constant_pool): Likewise.
497 (init_varasm_once): Initialize the new section variables.
498 (have_global_bss_p): New function.
499 (categorize_decl_for_section): Use bss_initializer_p.
500 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
501 (place_block_symbol): Assert that the symbol must be in a block.
502 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
503 (TARGET_INITIALIZER): Include it.
504 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
505 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
506 (SECTION_MACH_DEP): Bump by two.
507 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
508 (unnamed_section): Mention SECTION_UNNAMED in comment.
509 (named_section): Likewise SECTION_NAMED.
510 (noswitch_section_callback): New type.
511 (noswitch_section): New structure.
512 (section): Add a noswitch_section alternative.
513 (SECTION_STYLE): New macro.
514 (tls_comm_section, comm_section, lcomm_section): Declare.
515 (bss_noswitch_section, have_global_bss_p): Declare.
516 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
517 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
519 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
520 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
523 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
525 * gcc/tree-vrp.c (execute_vrp): Return value.
526 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
527 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
528 * gcc/tree-complex.c (tree_lower_complex): Ditto.
529 (tree_lower_complex_O0): Ditto.
530 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
531 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
532 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
533 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
534 (execute_tail_calls): Ditto.
535 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
536 * gcc/tree.h (init_function_for_compilation): Ditto.
537 * gcc/ipa-cp.c (ipcp_driver): Ditto.
538 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
539 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
540 * gcc/final.c (compute_alignments): Ditto.
541 (rest_of_handle_final): Ditto.
542 (rest_of_handle_shorten_branches): Ditto.
543 (rest_of_clean_state): Ditto.
544 * gcc/omp-low.c (execute_expand_omp): Ditto.
545 (execute_lower_omp): Ditto.
546 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
547 * gcc/ipa-reference.c (static_execute): Ditto.
548 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
549 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
550 (rest_of_handle_machine_reorg): Ditto.
551 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
552 * gcc/flow.c (recompute_reg_usage): Ditto.
553 (rest_of_handle_remove_death_notes): Ditto.
554 (rest_of_handle_life): Ditto.
555 (rest_of_handle_flow2): Ditto.
556 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
557 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
558 (do_ssa_store_ccp): Ditto.
559 (execute_fold_all_builtins): Ditto.
560 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
561 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
562 * gcc/ipa-pure-const.c (static_execute): Ditto.
563 * gcc/cse.c (rest_of_handle_cse): Ditto.
564 (rest_of_handle_cse2): Ditto.
565 * gcc/web.c (rest_of_handle_web): Ditto.
566 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
567 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
568 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
569 * gcc/tree-nrv.c (tree_nrv): Ditto.
570 (execute_return_slot_opt): Ditto.
571 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
572 (create_structure_vars): Ditto.
573 * gcc/loop-init.c (rtl_loop_init): Ditto.
574 (rtl_loop_done): Ditto.
575 (rtl_move_loop_invariants): Ditto.
576 (rtl_unswitch): Ditto.
577 (rtl_unroll_and_peel_loops): Ditto.
579 * gcc/gimple-low.c (lower_function_body): Ditto.
580 (mark_used_blocks): Ditto.
581 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
582 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
583 (cgraph_early_inlining): Ditto.
584 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
585 * gcc/jump.c (cleanup_barriers): Ditto.
586 (purge_line_number_notes): Ditto.
587 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
588 (rest_of_handle_if_after_reload): Ditto.
589 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
590 (tree_ssa_loop_im): Ditto.
591 (tree_ssa_loop_unswitch): Ditto.
592 (tree_vectorize): Ditto.
593 (tree_linear_transform): Ditto.
594 (tree_ssa_loop_ivcanon): Ditto.
595 (tree_ssa_empty_loop): Ditto.
596 (tree_ssa_loop_bounds): Ditto.
597 (tree_complete_unroll): Ditto.
598 (tree_ssa_loop_prefetch): Ditto.
599 (tree_ssa_loop_ivopts): Ditto.
600 (tree_ssa_loop_done): Ditto.
601 * gcc/predict.c (tree_estimate_probability): Ditto.
602 * gcc/recog.c (split_all_insns_noflow): Ditto.
603 (rest_of_handle_peephole2): Ditto.
604 (rest_of_handle_split_all_insns): Ditto.
605 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
606 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
607 (rest_of_handle_stack_adjustments): Ditto.
608 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
609 * gcc/function.c (instantiate_virtual_regs): Ditto.
610 (init_function_for_compilation): Ditto.
611 (rest_of_handle_check_leaf_regs): Ditto.
612 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
613 (rest_of_handle_gcse): Ditto.
614 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
615 * gcc/alias.c (rest_of_handle_cfg): Ditto.
616 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
617 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
618 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
619 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
620 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
621 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
622 * gcc/except.c (set_nothrow_function_flags): Ditto.
623 (convert_to_eh_region_ranges): Ditto.
624 (rest_of_handle_eh): Ditto.
625 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
626 (remove_unnecessary_notes): Ditto.
627 * gcc/except.h (set_nothrow_function_flags): Ditto.
628 (convert_to_eh_region_ranges): Ditto.
629 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
630 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
631 * gcc/tree-ssa-pre.c (do_pre): Ditto.
632 (execute_fre): Ditto.
633 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
634 (rest_of_handle_jump2): Ditto.
635 * gcc/tree-sra.c (tree_sra): Ditto.
636 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
637 (execute_mudflap_function_decls): Ditto.
638 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
639 (do_store_copy_prop): Ditto.
640 * gcc/ipa-prop.h (ipcp_driver): Ditto.
641 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
642 * gcc/tree-ssa-forwprop.c
643 (tree_ssa_forward_propagate_single_use_vars): Ditto.
644 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
645 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
646 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
647 (execute_late_warn_uninitialized): Ditto.
648 * gcc/rtl.h (cleanup_barriers): Ditto.
649 (split_all_insns_noflow): Ditto.
650 (purge_line_number_notes): Ditto.
651 (unshare_all_rtl): Ditto.
652 (remove_unnecessary_notes): Ditto.
653 (recompute_reg_usage): Ditto.
654 (variable_tracking_main): Ditto.
655 * gcc/integrate.c (emit_initial_value_sets): Ditto.
656 * gcc/integrate.h (emit_initial_value_sets): Ditto.
657 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
658 (execute_free_cfg_annotations): Ditto.
659 (execute_fixup_cfg): Ditto.
660 (execute_cleanup_cfg_pre_ipa): Ditto.
661 (execute_cleanup_cfg_post_optimizing): Ditto.
662 (execute_init_datastructures): Ditto.
663 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
664 * gcc/combine.c (rest_of_handle_combine): Ditto.
665 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
666 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
667 (rest_of_handle_reorder_blocks): Ditto.
668 (rest_of_handle_partition_blocks): Ditto.
669 * gcc/var-tracking.c (variable_tracking_main): Ditto.
670 * gcc/tree-profile.c (tree_profiling): Ditto.
671 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
672 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
673 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
674 (rest_of_handle_sched2): Ditto.
675 * gcc/basic-block.h (free_bb_insn): Ditto.
676 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
677 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
678 (remove_useless_stmts): Ditto.
679 (split_critical_edges): Ditto.
680 (execute_warn_function_return): Ditto.
681 (execute_warn_function_noreturn): Ditto.
682 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
683 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
684 * gcc/passes.c (execute_one_pass): Run additional
685 todos returned by execute function.
686 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
689 2006-03-02 Richard Guenther <rguenther@suse.de>
691 * tree-ssa-alias.c (find_used_portions): Consider taking
692 the address as making the variable not write-only.
694 2006-03-02 Nick Clifton <nickc@redhat.com>
696 * config.gcc (default_use_cxa_atexit): Extend the description of
697 this configure variable. Set its default value to "yes" for
698 Linux, NetBSD and ELF targets on the assumption that they will
699 use C libraries with the __cxa_atexit function.
701 2006-03-02 Ben Elliston <bje@au.ibm.com>
703 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
704 parameter as unused to suppress a build warning.
706 2006-03-02 Ben Elliston <bje@au.ibm.com>
708 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
711 2006-03-01 Roger Sayle <roger@eyesopen.com>
714 * gthr-posix.h (__gthrw2): Define to take three parameters, the
715 declared name, the weak reference name, and the typeof name.
716 (__gthrw): Avoid expanding the declared name suffix.
717 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
719 2006-03-01 Jakub Jelinek <jakub@redhat.com>
721 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
723 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
724 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
725 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
726 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
727 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
728 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
729 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
730 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
731 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
732 DW_DS_leading_separate, DW_DS_trailing_separate): New.
733 (DW_END_default, DW_END_big, DW_END_little): New.
734 (DW_END_lo_user, DW_END_hi_user): Define.
735 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
736 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
737 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
740 2006-03-01 Diego Novillo <dnovillo@redhat.com>
742 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
744 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
746 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
748 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
750 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
753 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
756 2006-03-01 Roger Sayle <roger@eyesopen.com>
758 * builtins.c (fold_builtin_copysign): Delete unreachable code.
760 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
763 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
764 MACHO_DYNAMIC_NO_PIC_P.
765 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
767 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
770 * config/darwin-protos.h (darwin_asm_output_anchor):
772 * config/darwin-sections.def (cstring_section):
773 Add SECTION_MERGE to the flags.
774 (literal4_section): Likewise.
775 (literal8_section): Likewise.
776 (objc_selector_refs_section): Likewise.
777 (objc_cls_refs_section): Likewise.
778 * config/darwin.c (darwin_asm_output_anchor): New
780 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
782 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
784 Fix PR tree-optimization/26443
785 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
786 to todo and PROP_tmt_usage to properties_destroyed.
787 * tree-ssa-ccp.c (pass_ccp): Ditto.
788 (pass_store_ccp): Ditto.
789 * tree-ssa-dom.c (pass_dominator): Ditto.
791 2006-03-01 Diego Novillo <dnovillo@redhat.com>
793 * tree-ssa-operands.c: Cleanup whitespace.
794 (get_asm_expr_operands): Move before first invocation.
795 (get_indirect_ref_operands): Likewise.
796 (get_tmr_operands): Likewise.
797 (get_call_expr_operands): Likewise.
798 (append_def): Likewise.
799 (append_use): Likewise.
800 (append_v_may_def): Likewise.
801 (append_v_must_def): Likewise.
802 (add_call_clobber_ops): Likewise.
803 (add_call_read_ops): Likewise.
804 (add_stmt_operand): Likewise.
805 (add_virtual_operand): Likewise.
806 (build_ssa_operands): Likewise.
808 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
813 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
814 with a call expr to ...
815 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
817 2006-03-01 Diego Novillo <dnovillo@redhat.com>
819 * tree-vrp.c (extract_range_from_assert): Remove special
820 handling for types with super-types.
822 2006-03-01 Ben Elliston <bje@au.ibm.com>
824 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
825 and powerpc64-*-linux* configurations.
826 * config/t-dfprules: New file.
828 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
829 Compile dfp-bit.c from the source directory using -DWIDTH and
830 $DFP_CFLAGS to control the compilation of that file, rather than
831 generating width-specific versions in the build directory.
832 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
833 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
835 2006-02-28 Zack Weinberg <zackw@panix.com>
837 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
840 2006-02-28 Eric Christopher <echristo@apple.com>
842 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
843 Set up IN_LIBGCC definition of TARGET_64BIT.
844 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
846 2006-02-28 Roger Sayle <roger@eyesopen.com>
849 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
850 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
851 cases via the construction of "expr != 0".
853 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
855 * alias.c (alias_invariant, alias_invariant_size): Remove.
856 (record_base_value): Remove.
857 (memrefs_conflict_p): Don't look at alias_invariant.
858 (end_alias_analysis): Don't free it.
859 * alias.h (record_base_value): Remove prototype.
861 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
862 Adam Nemet <anemet@caviumnetworks.com>
864 * rtl.h (truncated_to_mode): Declare it.
865 (struct rtl_hooks): Add reg_truncated_to_mode hook.
866 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
867 (RTL_HOOKS_INITIALIZER): Include it.
868 * rtlhooks.c (reg_truncated_to_mode_general): New function.
869 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
870 reg_truncated_to_mode.
871 * rtlanal.c (truncated_to_mode): Define it.
872 * simplify-rtx.c (simplify_unary_operation_1): Use it.
874 2006-02-28 Jeff Law <law@redhat.com>
876 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
877 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
878 the range allowed by TYPE_PRECISION.
880 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
882 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
884 PR tree-optimization/26419
885 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
888 2006-02-27 Zack Weinberg <zackw@panix.com>
890 * doc/md.texi: Fix typo in previous change.
892 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
896 2006-02-27 Zack Weinberg <zackw@panix.com>
898 * rtl.def (define_constraint, define_register_constraint)
899 (define_memory_constraint, define_address_constraint): New MD forms.
900 * gensupport.c (process_rtx): Put define_constraint etc on the
902 * genpreds.c (process_define_predicate): Adjust comment. Validate
903 the name, and call validate_exp to validate the expression.
904 (mark_mode_tests, write_extract_subexp): Can assume correct input.
905 (write_predicate_expr): Likewise. NAME argument no longer necessary;
907 (validate_exp, needs_variable, struct constraint_data)
908 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
909 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
910 (const_dbl_constraints, constraint_max_namelen)
911 (have_register_constraints, have_memory_constraints)
912 (have_address_constraints, have_address_constraints)
913 (have_extra_constraints, have_const_int_constraints)
914 (have_const_dbl_constraints, mangle, add_constraint)
915 (process_define_constraint, process_define_register_constraint)
916 (write_enum_constraint_num, write_lookup_constraint)
917 (write_insn_constraint_len, write_regclass_for_constraint)
918 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
919 (write_insn_extra_memory_constraint)
920 (write_insn_extra_address_constraint)
921 (write_satisfies_constraint_fns): New.
922 (write_tm_preds_h): If we have new-style constraint definitions,
923 prototype the functions generated from them, and define the
924 old constraint interface (still used by generic code) in terms of
926 (write_insn_preds_c): If we have new-style constraint definitions,
927 generate all relevant functions from those definitions.
928 (main): Handle define_constraint etc.
929 * genoutput.c (struct constraint_data, indep_constraints)
930 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
931 (mdep_constraint_len): New data structures and functions, defined
932 #ifdef USE_MD_CONSTRAINTS.
933 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
934 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
935 use new logic to validate operand constraints against constraint
937 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
939 * defaults.h: If none of the old-style constraint macros are
940 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
941 old-style macros; and poison REG_CLASS_FROM_LETTER,
942 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
944 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
945 * doc/md.texi: Document new constraint-definition mechanism and the
946 C interface it provides. Remove references to old mechanism
947 elsewhere in the document.
948 (Machine Constraints): Use pathnames relative to gcc directory,
949 i.e. config/ARCH/FILE. Change i386 section to refer to
950 config/i386/predicates.md; update that section to match docstrings.
951 * doc/tm.texi: Move all documentation of the old constraint-
952 definition macros to their own section, clearly mark as obsolete.
954 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
955 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
957 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
958 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
959 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
961 (splits and peepholes): Use satisfies_constraint_*.
962 * config/i386/i386.c (memory_address_length)
963 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
965 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
967 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
968 scalar operation to be put back into the loop.
970 2006-02-27 Jakub Jelinek <jakub@redhat.com>
973 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
974 (extract_cie_info): Handle S flag in augmentation string.
975 (execute_cfa_program): If context->signal_frame, execute also
976 fs->pc == context->ra instructions.
977 (uw_frame_state_for): If context->signal_frame, don't subtract one
978 from context->ra to find FDE.
979 (uw_update_context_1): Set context->signal_frame to
981 (_Unwind_GetIPInfo): New function.
982 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
983 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
985 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
986 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
987 * unwind-compat.c (_Unwind_GetIPInfo): New function.
988 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
989 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
990 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
991 * config/i386/linux-unwind.h (x86_fallback_frame_state,
992 x86_64_fallback_frame_state): Set fs->signal_frame.
993 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
994 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
995 (frob_update_context): Likewise. Workaround missing S flag in
996 Linux 2.6.12 - 2.6.16 kernel vDSOs.
997 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
998 Remove the psw_addr + 1 hack.
1000 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1002 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1003 with aggregates here.
1004 (find_func_aliases): Remove code for &<aggregate> from here.
1006 2006-02-26 Roger Sayle <roger@eyesopen.com>
1008 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1009 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1010 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1013 2006-02-26 Roger Sayle <roger@eyesopen.com>
1016 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1018 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1020 * opts.c (decode_options): Do not handle flag_strength_reduce.
1021 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1022 and OPT_fstrength_reduce.
1023 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1024 flag_prefetch_loop_arrays for being nonzero.
1025 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1027 (fprefetch-loop-arrays-rtl): Removed.
1028 (flag_prefetch_loop_arrays): Do not specify the value.
1030 * doc/passes.texi: Update documentation of loop optimizer
1032 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1033 -frerun-loop-opt): Remove.
1035 2006-02-26 Richard Guenther <rguenther@suse.de>
1037 PR tree-optimization/26421
1038 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1039 in function calls that are ADDR_EXPRs as using the whole structure.
1041 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1043 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1044 * tree-pass.h (pass_loop_optimize): Remove.
1045 * passes.c (pass_loop_optimize): Never run it.
1046 * toplev.c (backend_init): Don't call init_loop.
1047 * opts.c (flag_loop_optimize_set): Remove.
1048 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1049 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1050 the old RTL loop optimizer when profiling enabled.
1051 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1052 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1053 pre-headers for the sake of the old RTL loop optimizer.
1054 * Makefile.in: Remove all references to loop.o.
1056 * doc/invoke.texi: Remove all references to -floop-optimize
1057 and -frerun-loop-opt.
1059 2006-02-26 Zack Weinberg <zackw@panix.com>
1061 * doc/md.texi (Machine Constraints): Refer to all files with paths
1062 relative to gcc directory (i.e. config/CPU/file). Add missing
1063 @table @code ... @end table to M32C subsection.
1065 2006-02-26 Roger Sayle <roger@eyesopen.com>
1067 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1069 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1071 2006-02-26 Roger Sayle <roger@eyesopen.com>
1072 James A. Morrison <phython@gcc.gnu.org>
1075 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1076 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1077 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1078 signedness of the shift operation.
1080 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1082 PR tree-optimization/26359
1083 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1085 2006-02-25 Roger Sayle <roger@eyesopen.com>
1087 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1088 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1089 as X == 0, and some symmetry related transformations.
1090 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1092 2006-02-25 Roger Sayle <roger@eyesopen.com>
1095 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1096 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1097 symmetry related transformations. Fold (X^C1) == C2 as
1100 2006-02-25 Juergen Weigert <jw@suse.de>
1101 Richard Guenther <rguenther@suse.de>
1103 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1105 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1107 * combine.c (gen_lowpart_or_truncate): Call
1108 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1110 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1112 * doc/invoke.texi: Move -fopenmp description to "Options for
1114 Remove reference to -lgomp.
1116 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1118 * doc/install.texi: Require GNU tar version 1.14.
1120 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1122 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1123 * doc/invoke.texi (C++ Dialect Options): Document
1124 -fno-use-cxa-get-exception-ptr.
1125 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1126 * configure: Regenerate.
1127 * c.opt (fuse-cxa-get-exception-ptr): New.
1128 * c-opts.c (c_common_handle_option): Handle
1129 OPT_fuse_cxa_get_exception_ptr.
1130 * c-common.c (flag_use_cxa_atexit): Update documentation.
1131 (flag_use_cxa_get_exception_ptr): New.
1132 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1133 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1135 (C_COMMON_OVERRIDE_OPTIONS): New.
1137 2006-02-24 Roger Sayle <roger@eyesopen.com>
1140 * combine.c (try_combine): Explicitly check whether GET_CODE is
1141 a SET or a CLOBBER, instead on checking that it isn't a USE.
1143 2006-02-24 Roger Sayle <roger@eyesopen.com>
1145 * fold-const.c (fold_comparison): New subroutine of fold_binary
1146 containing transformations common to both the equality and
1147 ordering relational operators, factored out of fold_binary.
1148 (fold_binary): Separate out the equality operators (EQ_EXPR
1149 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1150 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1151 transformations common to both.
1152 (fold_div_compare): Fix latent bugs in the previously unreachable
1153 LT_EXPR and GE_EXPR cases.
1155 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1157 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1158 decl libname for clog to __clog on AIX.
1160 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1162 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1165 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1166 output traceback table for thunks. Localise rs6000_stack_info call.
1168 2006-02-23 Roger Sayle <roger@eyesopen.com>
1169 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1171 * gthr-posix.h (__gthrw): Fix typo in comment.
1173 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1175 * doc/cpp.texi (Character sets): Document that we do support
1176 input files to be in any character set.
1178 2006-02-23 Jeff Law <law@redhat.com>
1180 * tree.h (PHI_ARG_NONZERO): Remove.
1181 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1182 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1183 node to the new node.
1185 PR tree-optimization/26425
1186 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1187 min/max, then assume its varying.
1189 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1191 PR rtl-optimization/26316
1192 * rtlanal.c (enum may_trap_p_flags): New.
1193 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1194 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1195 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1196 (may_trap_after_code_motion_p): New function.
1197 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1198 (find_invariant_insn): Use may_trap_after_code_motion_p.
1199 * rtl.h (may_trap_after_code_motion_p): Declare.
1201 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1203 * emit-rtl.c (immed_double_const): Cleanup.
1205 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1207 Fix PR tree-optimization/26376
1208 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1211 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1214 * gimplify.c (omp_add_variable): Guard variable size decl test with
1215 DECL_SIZE (decl) check.
1217 2006-02-23 Richard Guenther <rguenther@suse.de>
1220 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1221 like aggregate types.
1223 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1225 * configure.ac: Add --with{,out}-long-double-128 configure option.
1226 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1227 * configure: Rebuilt.
1228 * config.in: Rebuilt.
1229 * doc/install.texi (Options specification): Document
1230 --with-long-double-128.
1232 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1233 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1234 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1235 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1237 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1239 * config/s390/s390.c (override_options): Handle
1240 TARGET_DEFAULT_LONG_DOUBLE_128.
1242 * config/alpha/alpha.c (override_options): Handle
1243 TARGET_DEFAULT_LONG_DOUBLE_128.
1245 * config/sparc/sparc.c (sparc_override_options): Handle
1246 TARGET_DEFAULT_LONG_DOUBLE_128.
1248 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1250 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1251 (real-install-headers-tar, real-install-headers-cpio)
1252 (real-install-headers-cp): New targets.
1254 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1256 * tree.h (variable_section): Delete.
1257 * varasm.c (variable_section): Delete.
1259 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1261 * install.texi: Add notes on install.texi2html.
1262 (Building in parallel): Do not use footnotes.
1264 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1267 * doc/install.texi (Configuration): Document --disable-libgomp.
1269 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1271 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1273 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1275 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1276 (vec_extractv2df_0_sse): New.
1278 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1280 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1281 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1282 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1283 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1284 to the result of the expression.
1285 (def_cfa_1): Adjust.
1286 (frame_pointer_cfa_offset): Rename to...
1287 (frame_pointer_fb_offset): ... this. Adjust all uses.
1288 (convert_cfa_to_loc_list): Rename to...
1289 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1290 Pass it on to build_cfa_loc.
1291 (compute_frame_pointer_to_cfa_displacement): Rename to...
1292 (compute_frame_pointer_to_fb_displacement): ... this. New
1293 offset parameter. Use it in computation.
1294 (gen_subprogram_die): Compute cfa_fb_offset with the new
1295 macro, and use it to compute the fb loc list and the
1298 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1300 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1301 replaced with register_operand.
1302 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1303 non-DREG is expensive.
1304 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1305 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1308 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1310 * doc/install.texi2html: Use set -e.
1312 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1314 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1315 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1316 * doc/invoke.texi (-fshared-data): Delete.
1317 * common.opt (fshared-data): Delete.
1318 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1319 (assemble_static_space): Remove #if 0 code.
1320 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1321 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1322 * config/cris/cris.h: Remove FIXME.
1324 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1326 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1329 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1332 * combine.c (simplify_shift_const_1): Disable nested shifts
1333 optimization for vector shifts.
1335 2006-02-20 Roger Sayle <roger@eyesopen.com>
1337 PR tree-optimization/26361
1338 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1339 of unsigned integer types.
1341 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1343 * tree-chrec.c (eq_evolutions_p): New.
1344 * tree-chrec.h (eq_evolutions_p): Declared.
1345 * tree-data-ref.c: Fix formatting.
1346 (datadep_stats, dependence_stats): New.
1348 (print_direction_vector): New.
1349 (dump_data_dependence_relation): Use print_direction_vector.
1350 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1351 (compute_subscript_distance): Static.
1352 (initialize_data_dependence_relation): Static. Get the number
1353 of loops surrounding the references from the callers, and initialize
1354 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1355 base_object_differ_p analyzers.
1356 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1357 compute_overlap_steps_for_affine_1_2,
1358 analyze_subscript_affine_affine): Count the classified dependences.
1359 Print a message when a test failed.
1360 (can_use_analyze_subscript_affine_affine): New.
1361 (analyze_siv_subscript): Compute the data dependences on symbolic
1362 scevs that verify can_use_analyze_subscript_affine_affine.
1363 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1364 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1365 Handle symbolic scevs.
1366 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1368 (subscript_dependence_tester): Moved...
1369 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1370 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1371 DDR_SIZE_VECT instead of getting it in parameter.
1372 (subscript_dependence_tester): ... here. Take as a parameter
1373 loop_nest_depth. Call build_classic_dist_vector and
1374 build_classic_dir_vector.
1375 (compute_affine_dependence): Update subscript_dependence_tester
1376 parameters. Update datadep_stats counters. Call
1377 compute_subscript_distance.
1378 (compute_self_dependence): Save the dist and dir vectors. Call
1379 compute_subscript_distance.
1380 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1381 (compute_all_dependences): Reorder parameters as they were before
1382 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1383 compute_subscript_distance. Update the use of
1384 compute_affine_dependence and initialize_data_dependence_relation.
1385 (find_data_references_in_loop): Handle COMPONENT_REF.
1386 (compute_data_dependences_for_loop): Initialize dependence_stats.
1387 Don't call build_classic_dist_vector and build_classic_dir_vector.
1388 Update the parameters of initialize_data_dependence_relation and
1389 compute_all_dependences. Print the statistics from datadep_stats.
1390 (analyze_all_data_dependences): Static. Not used until the pass for
1391 checking the data dependences is contributed.
1392 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1393 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1394 (initialize_data_dependence_relation, compute_affine_dependence,
1395 analyze_all_data_dependences, compute_subscript_distance): Removed.
1396 (print_direction_vector): New.
1397 * lambda.h (gcd): ... here.
1398 (lambda_vector_gcd): Moved here from gcd_vector.
1399 * lambda-code.c (gcd, gcd_vector): Removed.
1400 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1401 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1403 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1405 * ipa-type-escape.c: Tidy some comments and white space.
1406 * tree-ssa-operands.c: Likewise.
1408 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1411 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1412 (dump_decl_name): Do not walk the decl tree chains.
1413 * tree-pass.h (TDF_CHAIN): Remove.
1415 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1417 * Makefile.in (C): Remove
1419 (.PHONY): Remove C and PROTO
1421 2006-02-20 Roger Sayle <roger@eyesopen.com>
1424 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1425 deprecated CHAR_TYPE tree code.
1427 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1429 * configure.ac (target_list): Add install-info, dvi, html.
1430 * configure: Regenerate.
1432 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1433 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1434 treelang/Make-lang.in: Do not use double-colon rules.
1436 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1438 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1439 (TMT_USED_ALONE): New macro.
1440 * tree-pass.h (PROP_tmt_usage): New property.
1441 (TODO_update_tmt_usage): New todo.
1442 * tree-ssa-alias.c (updating_used_alone): New variable.
1443 (recalculate_used_alone): New function.
1444 (compute_may_aliases): Set updating_used_alone, call
1445 recalculate_used_alone.
1446 * tree-sra.c (pass_sra): Note that this pass destroys
1447 PROP_tmt_usage, and add TODO_update_tmt_usage.
1448 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1449 * tree-flow.h (updating_used_alone): Prototype.
1450 (recalculate_used_alone): Ditto.
1451 * passes.c (execute_todo): Add code to set updating_used_alone,
1452 and call recalculate.
1453 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1454 for clobber if used alone, and add assert to verify used_alone
1457 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1459 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1460 for non tls symbols added.
1461 (legitimize_address): Do nothing for PLUS expressions if one of the
1462 addends is a tls symbol reference.
1464 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1468 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1470 * Makefile.in (BOOTSTRAPPING): New.
1471 (quickstrap): New definition if BOOTSTRAPPING=yes.
1473 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1474 * configure.ac: Substitute all_selected_languages with the languages
1475 that were configured. For all the other variables except
1476 lang_specs_files, include all the languages in the tree.
1477 * configure: Regenerate.
1479 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1480 if there is one. Run the commands to run fixincludes in the same
1483 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1484 * doc/install.texi: Document exact conventions for searching target tools.
1485 Document --with-build-time-tools. Document toplevel bootstrap. Document
1486 something more about building an Ada cross-compiler. Don't list GNU Make
1487 requirements which affect all platforms.
1489 2006-02-19 Roger Sayle <roger@eyesopen.com>
1492 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1493 only equivalent if the have both the same mode and precision.
1495 2006-02-20 Ben Elliston <bje@au.ibm.com>
1497 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1499 2006-02-19 Roger Sayle <roger@eyesopen.com>
1500 Steven Bosscher <stevenb.gcc@gmail.com>
1502 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1503 constant pool references to identify stack mode constants.
1504 * rtlanal.c (constant_pool_constant_p): New predicate to check
1505 whether operand is a floating point constant in the pool.
1506 * rtl.h (constant_pool_constant_p): Prototype here.
1507 * loop.c (scan_loop): Avoid hoisting constants from the constant
1508 pool on STACK_REGS targets.
1509 (load_mems): Likewise.
1510 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1511 loads into x87 registers expensive in terms of register pressure.
1513 2006-02-19 Roger Sayle <roger@eyesopen.com>
1515 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1516 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1518 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1520 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1521 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1523 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1525 * doc/invoke.texi: Document -fipa-pta.
1526 * common.opt: Add ipa-pta option.
1527 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1528 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1529 (do_ds_constraint): Ditto.
1530 (get_constraint_for): Only add to referenced_vars if
1531 referenced_vars exists.
1532 (insert_into_field_list): Rewrite to do this unsorted.
1533 (insert_into_field_list_sorted): Rename old insert_into_field_list
1535 (create_function_info_for): Use insert_into_field_list_sorted.
1536 (create_variable_info_for): Rewrite so it uses unsorted version,
1537 since the field list is sorted.
1538 (intra_create_variable_infos): Only add to referenced_vars if
1539 referenced_vars exists.
1540 (ipa_pta_execute): Init heapvars, and delete when done.
1541 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1543 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1545 * doc/install.texi: Add missing `@samp'.
1547 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1549 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1552 2006-02-18 Mark Wielaard <mark@klomp.org>
1554 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1555 who added new 4.1 features, bug fixes and integration support.
1557 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1560 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1563 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1565 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1566 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1567 (copy_insn_1): Likewise. Don't copy each field individually.
1569 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1571 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1572 * rtl.c (rtx_size): Rename variable to...
1573 (rtx_code_size): ...this.
1574 (rtx_size): New function.
1575 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1576 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1578 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1579 * rtl.h (rtx_code_size): New variable.
1580 (rtx_size): Change from a variable to a function.
1581 (RTX_SIZE): Rename to...
1582 (RTX_CODE_SIZE): ...this.
1585 PR tree-optimization/17106
1586 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1587 (Anchored Addresses): New section.
1588 * doc/invoke.texi (-fsection-anchors): Document.
1589 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1590 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1591 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1592 * hooks.c (hook_bool_mode_rtx_false): New function.
1593 * hooks.h (hook_bool_mode_rtx_false): Declare.
1594 * gengtype.c (create_optional_field): New function.
1595 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1596 SYMBOL_REF_IN_BLOCK_P is true.
1597 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1598 (min_anchor_offset, max_anchor_offset): Likewise.
1599 (use_anchors_for_symbol_p): New hook.
1600 * toplev.c (compile_file): Call output_object_blocks.
1601 (target_supports_section_anchors_p): New function.
1602 (process_options): Check that -fsection-anchors is only used on
1603 targets that support it and when -funit-at-a-time is in effect.
1604 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1605 if the decl doesn't have one.
1606 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1607 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1608 of force_const_mem through use_anchored_address.
1609 (expand_expr_constant): New function.
1610 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1611 calling expand_expr for INDIRECT_REF.
1612 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1613 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1614 * expr.h (use_anchored_address): Declare.
1615 * loop-unroll.c: Don't declare rtx vectors here.
1616 * explow.c: Include output.h.
1617 (validize_mem): Call use_anchored_address.
1618 (use_anchored_address): New function.
1619 * common.opt (-fsection-anchors): New switch.
1620 * varasm.c (object_block_htab, anchor_labelno): New variables.
1621 (hash_section, object_block_entry_eq, object_block_entry_hash)
1622 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1623 (use_blocks_for_decl_p, change_symbol_section): New functions.
1624 (get_variable_section): New function, split out from assemble_variable.
1625 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1626 use_blocks_for_decl_p say so. Use change_symbol_section if the
1627 symbol has already been created.
1628 (assemble_variable_contents): New function, split out from...
1629 (assemble_variable): ...here. Don't output any code for
1630 block symbols; just pass them to place_block_symbol.
1631 Use get_variable_section and assemble_variable_contents.
1632 (get_constant_alignment, get_constant_section, get_constant_size): New
1633 functions, split from output_constant_def_contents.
1634 (build_constant_desc): Create a block symbol if use_object_blocks_p
1635 says so. Or into SYMBOL_REF_FLAGS.
1636 (assemble_constant_contents): New function, split from...
1637 (output_constant_def_contents): ...here. Don't output any code
1638 for block symbols; just pass them to place_section_symbol.
1639 Use get_constant_section and get_constant_alignment.
1640 (force_const_mem): Create a block symbol if use_object_blocks_p and
1641 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1642 (output_constant_pool_1): Add an explicit alignment argument.
1643 Don't switch sections here.
1644 (output_constant_pool): Adjust call to output_constant_pool_1.
1645 Switch sections here instead. Don't output anything for block symbols;
1646 just pass them to place_block_symbol.
1647 (init_varasm_once): Initialize object_block_htab.
1648 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1649 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1650 (place_block_symbol, get_section_anchor, output_object_block)
1651 (output_object_block_htab, output_object_blocks): New functions.
1652 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1653 (TARGET_ASM_OUT): Include it.
1654 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1655 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1656 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1657 (TARGET_INITIALIZER): Include them.
1658 * rtl.c (rtl_check_failed_block_symbol): New function.
1659 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1660 (block_symbol, object_block): New structures.
1661 (rtx_def): Add a block_symbol field to the union.
1662 (BLOCK_SYMBOL_CHECK): New macro.
1663 (rtl_check_failed_block_symbol): Declare.
1664 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1665 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1666 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1667 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1668 * output.h (output_section_symbols): Declare.
1669 (object_block): Name structure.
1670 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1671 (default_use_anchors_for_symbol_p): Declare.
1672 * Makefile.in (RTL_BASE_H): Add vec.h.
1673 (explow.o): Depend on output.h.
1674 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1675 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1676 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1677 (rs6000_use_blocks_for_constant_p): New function.
1679 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1681 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1683 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1686 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1689 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1691 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1695 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1698 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1699 instead of DECL_REGISTER.
1701 2006-02-18 Olivier Hainque <hainque@adacore.com>
1704 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1706 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1709 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1710 * opth-gen.awk: Handle Var and InverseMask together.
1711 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1712 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1713 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1714 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1716 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1717 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1718 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1719 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1720 LINUX_DYNAMIC_LINKER): Define.
1721 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1722 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1724 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1725 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1726 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1727 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1728 (TARGET_C99_FUNCTIONS): Don't define.
1729 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1730 GLIBC_DYNAMIC_LINKER.
1731 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1732 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1733 GLIBC_DYNAMIC_LINKER64): Define.
1734 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1735 LINUX_DYNAMIC_LINKER64.
1736 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1737 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1738 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1739 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1740 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1741 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1742 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1743 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1744 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1745 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1746 and LINUX_DYNAMIC_LINKER32.
1747 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1748 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1749 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1750 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1751 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1753 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1754 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1755 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1756 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1757 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1758 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1759 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1760 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1761 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1762 LINUX_DYNAMIC_LINKER): Define.
1763 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1764 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1765 GLIBC_DYNAMIC_LINKER64): Define.
1766 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1767 LINUX_DYNAMIC_LINKER64.
1768 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1769 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1770 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1771 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1772 LINUX_DYNAMIC_LINKER): Define.
1773 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1774 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1775 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1776 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1777 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1778 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1779 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1780 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1781 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1782 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1783 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1784 * doc/invoke.texi (-muclibc): Remove caveat about supported
1787 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1789 * doc/cpp.texi (__TIMESTAMP__): Document.
1791 2006-02-17 Roger Sayle <roger@eyesopen.com>
1794 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1795 C is one less than the width of X (and related transformations).
1796 * simplify-rtx.c (simplify_unary_operation_1): Transform
1797 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1798 depending on STORE_FLAG_VALUE, were C is one less then the
1801 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1803 Fix PR tree-optimization/26341
1804 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1805 about NAME_MEMORY_TAG's.
1807 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1810 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1811 with hardware float support, and software float support. Add fcpy
1812 alternative to hardware patterns. Add alternatives to copy between
1813 general and floating-point registers to the 32-bit pattern.
1814 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1815 secondary reload to load a QI or HI mode constant into a floating
1817 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1818 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1820 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1823 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1825 (load_macho_picbase_di): Likewise.
1827 2006-02-16 Jeff Law <law@redhat.com>
1829 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1830 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1831 (ssa_name_nonzero_p): Likewise.
1832 (get_value_range): Return NULL if VRP is not running.
1833 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1834 VRP routines do not discover a range.
1835 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1836 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1837 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1838 (tree_expr_nonnegative_p): Similarly.
1839 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1840 (restore_nonzero_vars_to_original_value): Remove.
1841 (unsafe_associative_fp_binop): Remove.
1842 (tree_ssa_dominator_optimize): Remove initialization and
1843 finalization of nonzero_vars and nonzero_vars_stack.
1844 (dom_opt_initialize_block): No longer push marker on
1846 (dom_opt_finalize_block): No longer call
1847 restore_nonzero_vars_to_original_value.
1848 (record_equivalences_from_phis): No longer look for
1849 nonzero PHI arguments.
1850 (cprop_into_successor_phis): No longer propagate nonzero
1851 property into PHI arguments. Lose unused argument. Caller
1853 (record_equivalences_from_stmt): No longer record nonzero
1854 values for SSA_NAMEs.
1855 (lookup_avail_expr): No longer use nonzero_vars.
1857 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1858 for sizetype when sizetype is unsigned.
1860 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1862 PR rtl-optimization/25603
1863 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1864 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1865 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1866 with new meaning of SETS.
1868 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1873 * config/linux.opt: New file.
1874 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1875 LINUX_DYNAMIC_LINKER): Define.
1876 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1877 * config.gcc (*-*-linux*): Define extra_options.
1878 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1879 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1880 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1881 GLIBC_DYNAMIC_LINKER.
1882 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1883 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1884 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1885 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1886 * doc/invoke.texi (GNU/Linux Options): New section.
1888 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1890 * config/sparc/sparc.md (setjmp): Rewrite.
1891 (setjmp_32): Delete.
1892 (setjmp_64): Likewise.
1894 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1896 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1899 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1901 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1904 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1906 PR rtl-optimization/26296
1907 * Makefile.in (loop-invariant.c): Add except.h dependency.
1908 * loop-invariant.c: Include except.h.
1909 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1911 2005-02-16 Paul Brook <paul@codesourcery.com>
1913 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1916 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1918 PR rtl-optimization/25636
1919 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1920 when deciding whether an insn is an initializing insn.
1922 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1924 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1925 (tree_code_size): Ditto.
1926 * tree.h (struct tree_memory_tag): Remove parent_var.
1927 (struct tree_struct_field_tag): New.
1930 (union tree_node): Add sft member.
1931 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1933 (create_sft): Add size and offset argument, set SFT_OFFSET and
1935 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1936 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1937 * tree-flow-inline.h (get_subvar_at): Update for
1938 SFT_OFFSET/SFT_SIZE.
1939 (var_can_have_subvars): Ditto.
1940 (overlap_subvar): Ditto.
1941 * print-tree.c (print_node): Print out interesting things for
1943 * tree-flow.h (struct subvar): Remove offset and size members.
1944 * tree-ssa-operands.c (get_expr_operands): Update for
1945 get_indirect_ref_operands changes.
1946 (get_indirect_ref_operands): Call add_virtual_operand instead of
1947 add_stmt_operand. Only recurse on base var if requested.
1948 (access_can_touch_variable): New function.
1949 (add_stmt_operand): Split virtual operand handling into ...
1950 (add_virtual_operand): Here. Add offset, size, and for_clobber
1951 arguments. Prune alias sets.
1952 (add_call_clobber_ops): Call add_virtual_operand.
1954 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1957 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1959 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1960 than TREE_CODE as index into omp_clause_num_ops array.
1962 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1964 PR rtl-optimization/26184
1965 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1967 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1968 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1969 must_precede, must_follow and tobe_scheduled.
1972 * opts.c (common_handle_option): Free new_option pointer.
1973 * df-core.c (df_analyze): Free postorder pointer.
1975 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1977 * Makefile.in: Fix the examples about the use of stamps
1979 2006-02-15 Michael Matz <matz@suse.de>
1983 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1984 influenced by maximum_field_alignment or DECL_PACKED.
1985 (update_alignment_for_field): Ditto.
1986 (place_field): Ditto.
1987 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1990 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1992 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1993 (debug_flow_info): Pass it.
1994 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1995 * bb-reorder.c (reorder_basic_blocks): Likewise.
1996 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1997 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1998 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1999 * gcse.c (gcse_main, bypass_jumps): Likewise.
2000 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2001 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2002 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2003 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2004 * rtl.h (dump_flow_info): Adjust prototype.
2005 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2006 * var-tracking.c (variable_tracking_main): Likewise.
2007 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2008 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2011 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2013 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2016 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2018 PR tree-optimization/26209
2019 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2020 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2022 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2024 2006-02-14 Roger Sayle <roger@eyesopen.com>
2027 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2028 (X,Y) and the corresponding symmetry related transformations.
2029 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2030 (X,Y) and its symmetry related transformations.
2032 2006-02-14 Roger Sayle <roger@eyesopen.com>
2034 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2037 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2039 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2041 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2044 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2045 support COMDAT group.
2046 * configure: Regenerate.
2048 2006-02-14 Roger Sayle <roger@eyesopen.com>
2053 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2055 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2057 Fix PR tree-optimization/26260
2059 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2061 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2062 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2063 * tree-ssa-structalias.c (create_variable_info_for): Use
2064 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2066 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2068 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2070 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2071 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2072 of the ending condition.
2073 * tree-ssa-loop-manip.c: Include params.h.
2074 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2075 tree_unroll_loop): New functions.
2076 * tree-pass.h (pass_loop_prefetch): Declare.
2077 * loop.c (rest_of_handle_loop_optimize): Test for
2078 -fprefetch-loop-arrays-rtl.
2079 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2080 * timevar.def (TV_TREE_PREFETCH): New timevar.
2081 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2082 pass_loop_prefetch): New.
2083 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2084 (cleanup_tree_cfg_loop): Call scev_reset.
2085 * common.opt (fprefetch-loop-arrays-rtl): Add.
2086 * tree-ssa-loop-prefetch.c: New file.
2087 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2088 (new_temp_expr_table): Initialize expr_vars.
2089 (free_temp_expr_table): Cleanup expr_vars.
2090 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2091 expressions from being merged into one.
2092 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2093 (struct tree_niter_desc): Add control, bound and cmp fields.
2094 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2096 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2097 (tree-cfgcleanup.o): Add SCEV_H dependency.
2098 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2099 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2101 2006-02-14 Richard Guenther <rguenther@suse.de>
2103 PR tree-optimization/26258
2104 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2105 in PHI argument processing.
2107 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2109 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2110 new expression in the requested machine mode.
2112 2006-02-13 Roger Sayle <roger@eyesopen.com>
2114 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2115 directly, instead let do_compare_rtx_and_jump handle this for us.
2116 * expr.c (expand_expr_real_1): Likewise.
2117 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2118 before do_jump_by_parts_greater.
2119 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2120 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2122 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2124 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2126 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2128 PR rtl-optimization/26235
2129 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2130 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2133 2006-02-13 Jeff Law <law@redhat.com>
2135 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2138 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2141 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2142 twice if decl is a builtin. When trying again, call get_callee_fndecl
2143 first to verify it is still a builtin.
2145 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2147 * dwarf2out.c (base_type_die): Don't add AT_name here.
2148 (subrange_type_die): Don't add AT_name here.
2149 (modified_type_die): Rearrange code flow. Do add AT_name here.
2151 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2153 PR rtl-optimization/26247
2154 PR rtl-optimization/26248
2155 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2157 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2159 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2160 * config/fixtfdi.c: Likewise.
2161 * config/fixunstfdi.c: Likewise.
2162 * config/floatditf.c: Likewise.
2164 2006-02-13 Roger Sayle <roger@eyesopen.com>
2167 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2168 into (X,C2) if C1 is a subset of the bits of C2. Transform
2169 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2171 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2173 2006-02-13 Josh Conner <jconner@apple.com>
2176 * varasm.c (function_section): Check for section name before
2177 calling select_section on targets that define
2178 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2179 unlikely_text_section instead of hot_function_section if
2180 first_function_block_is_cold.
2182 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2185 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2187 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2189 PR rtl-optimization/26222
2190 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2191 after tree->rtl expansion.
2192 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2193 before passing it to emit_move_insn.
2195 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2197 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2199 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2200 Clarify documentation.
2201 * c-common.h (warn_write_strings): Remove.
2202 * c-common.c (warn_write_strings): Likewise.
2203 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2206 2006-02-12 Roger Sayle <roger@eyesopen.com>
2209 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2210 (do_jump_parts_zero_rtx): New function renamed from
2211 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2212 (do_jump_parts_equality_rtx): New function split out from
2213 do_jump_parts_equality. Old implementation renamed as above.
2214 Call do_jump_parts_zero_rtx if either operand is zero.
2215 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2216 do all of the heavy lifting.
2217 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2218 calling either do_jump_by_parts_greater_rtx or
2219 do_jump_by_parts_equality_rtx.
2220 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2221 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2222 moved to do_compare_rtx_and_jump, call it directly.
2223 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2224 mode argument. Call do_compare_rtx_and_jump.
2225 (emit_case_nodes): Update calls to do_jump_if_equal.
2227 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2229 PR rtl-optimization/26225
2230 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2232 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2234 PR rtl-optimization/26232
2235 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2237 2006-02-11 Jason Merrill <jason@redhat.com>
2240 * tree-inline.c (declare_return_variable): Just don't use the
2241 modify target if it's a gimple complex reg and the return slot
2244 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2246 * doc/contrib.texi: Update my entry.
2248 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2250 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2252 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2254 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2257 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2259 * doc/invoke.texi (-floop-optimize2): Removed.
2260 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2261 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2262 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2263 * common.opt (floop-optimize2): Removed.
2264 (fmove-loop-invariants): Enabled by default.
2266 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2268 * tree-if-conv.c (combine_blocks): Free the result of
2269 get_loop_exit_edges.
2271 2006-02-10 Jeff Law <law@redhat.com>
2273 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2275 PR tree-optimization/26213
2276 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2277 loop trying to follow SSA_NAME_VALUE chains.
2279 2006-02-10 Richard Guenther <rguenther@suse.de>
2281 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2282 deal with structures that end in implicitly variable sized arrays.
2284 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2286 PR rtl-optimization/24762
2287 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2290 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2292 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2293 (struct ivopts_data): Add regs_used field.
2294 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2295 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2296 instead of loop_data->regs_used;
2297 (free_loop_data): Do not free aux fields for loops.
2298 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2299 and tree_ssa_iv_optimize_finalize.
2301 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2303 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2305 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2308 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2309 computing the effective result type.
2311 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2314 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2315 (tree_overlaps_hard_reg_set): Declare.
2316 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2317 type and signature to match function type expected by walk_tree.
2318 (tree_overlaps_hard_reg_set): New function.
2319 (decl_conflicts_with_clobbers_p): Rename to:
2320 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2321 Use tree_overlaps_hard_reg_set. Changed caller.
2322 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2323 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2324 * cris.c (cris_md_asm_clobbers): Likewise.
2326 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2328 * reload1.c (emit_input_reload_insns): Delete code that tries to
2329 inherit using find_equiv_reg.
2331 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2333 * c-common.h (flag_const_strings): Don't declare.
2334 * c-common.c (flag_const_strings): Remove.
2335 * c.opt (fconst_strings): Remove.
2336 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2337 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2338 (c_common_init_options): Don't set flag_const_strings.
2339 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2341 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2343 * arm.md (tlobits_cbranch): New pattern.
2344 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2345 testing a single bit.
2347 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2350 * tree-ssa-pre.c (create_component_ref_by_pieces):
2351 Handle RETURN_DECL like VAR_DECL.
2353 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2356 * fold-const.c (fold_indirect_ref_1): Fold
2357 "*(foo *)&complexfoo" to "__real__ complexfoo"
2358 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2360 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2362 * tree-flow-inline.h (var_can_have_subvars):
2363 Volatile variables should not have subvariables.
2365 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2368 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2369 multiplying unsigned values.
2372 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2374 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2376 2006-02-08 Jason Merrill <jason@redhat.com>
2379 * tree.def: Elaborate on difference from MODIFY_EXPR.
2380 * doc/c-tree.texi (INIT_EXPR): Likewise.
2381 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2382 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2383 (gimplify_target_expr): Likewise.
2384 (gimplify_cond_expr): Remove target handling.
2385 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2386 (gimplify_expr): Clobber it here.
2387 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2388 Do return slot optimization if we have an INIT_EXPR.
2391 * tree-inline.c (declare_return_variable): Also clear
2392 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2395 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2398 * gimplify.c (gimplify_one_sizepos): Fix typo.
2400 2006-02-08 Jeff Law <law@redhat.com>
2402 PR tree-optimization/21417
2403 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2404 across a backedge if the control statement at the end of the
2405 block is data dependent on other statements in the same block.
2406 (record_temporary_equivalences_from_stmts): Remove over-conservative
2407 test for threading across backedges.
2409 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2410 control statement, handle all three special cases in the same
2411 manner as they all have the same desired solution. No longer
2412 special case edge flag updating when the post dominator is
2415 2006-02-08 Roger Sayle <roger@eyesopen.com>
2417 * tree.def (CHAR_TYPE): Remove.
2418 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2419 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2420 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2421 (gen_string_type_die): Delete unreachable function.
2423 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2424 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2425 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2426 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2427 * builtins.c (type_to_class): Likewise.
2428 * fold-const.c (fold_convert, build_range_check,
2429 merge_ranges): Likewise.
2430 * expr.c (count_type_elements): Likewise.
2431 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2432 * stor-layout.c (layout_type): Likewise.
2433 * ipa-type-escape.c (type_to_consider): Likewise.
2434 * gimplify.c (omp_firstprivatize_type_sizes,
2435 gimplify_type_sizes): Likewise.
2436 * explow.c (promote_mode): Likewise.
2437 * tree-sra.c (is_sra_scalar_type): Likewise.
2438 * varasm.c (output_constant): Likewise.
2439 * tree-inline.c (remap_type_1): Likewise.
2440 * convert.c (convert_to_pointer, convert_to_real,
2441 convert_to_integer, convert_to_complex): Likewise.
2443 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2445 * df-scan.c (df_def_record_1): A set destination may
2446 be a parallel regardless of mode.
2448 2006-02-08 Roger Sayle <roger@eyesopen.com>
2451 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2452 * config/mips/_tilib.c: Remove.
2453 * config/fixtfdi.c: New libgcc source file.
2454 * config/fixunstfdi.c: New source file.
2455 * config/floatditf.c: New source file.
2456 * config/floatunditf.c: New souce file.
2457 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2458 files above instead of config/mips/_tilib.c.
2459 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2461 2006-02-08 Jeff Law <law@redhat.com>
2463 PR tree-optimization/26169
2464 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2467 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2469 * df.h (DF_REG_SIZE): Return the length of the initialized
2472 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2474 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2475 __muldf3): Return a correctly signed zero.
2477 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2479 * passes.c (register_one_dump_file): Accept the current properties
2480 instead of pass number. Adjust call to dump_register. Remove
2482 (register_dump_files): Now a wrapper around...
2483 (register_dump_files_1): ... this one. Do not modify the pass
2485 (next_pass_1): Cosmetic fix.
2486 (execute_todo): Keep second parameter only. Use curr_properties
2487 instead of fetching it from the pass structure. Check and set
2489 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2490 instead of fetching it from the pass structure. Fix calls to
2491 execute_todo. Update curr_properties and initialize .vcg RTL dump
2492 after running the pass. Reset last_verified.
2493 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2495 (FIRST_AUTO_NUMBERED_DUMP): New.
2496 (dump_register): Remove "num" parameter, assign it within the
2498 (get_dump_file_name): Modify template for dumps.
2499 * tree-dump.h (dump_register): Adjust prototype.
2500 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2501 (PROP_trees): Add PROP_gimple_lomp.
2502 (TODO_set_props): New.
2503 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2504 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2505 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2507 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2509 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2510 (sparc64-*-linux*): Likewise.
2511 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2512 * config/sparc/t-linux: New file.
2513 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2514 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2515 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2516 -m32 -mlong-double-128.
2518 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2519 * config/alpha/t-linux: New file.
2520 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2522 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2523 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2524 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2525 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2526 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2527 (CPP_ARCH32_SPEC): Remove.
2529 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2531 PR tree-optimization/26145
2532 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2535 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2538 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2539 >= 240000 when generating code for SOM runtime.
2540 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2541 to $$dyncall when generating code for SOM runtime..
2543 2006-02-07 Dirk Mueller <dmueller@suse.com>
2546 * doc/invoke.texi (-Wsequence-point): Update documentation
2547 that -Wsequence-point is implemented for C++ as well.
2549 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2551 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2552 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2553 (LIB_SPEC): Likewise.
2554 * doc/invoke.texi (SPARC options): Document -pthread.
2556 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2558 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2561 2006-02-07 Roger Sayle <roger@eyesopen.com>
2563 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2564 Correct comment describing BOOLEAN_TYPE.
2566 2006-02-07 Dirk Mueller <dmueller@suse.com>
2568 * c.opt: C++ frontend supports -Wdiv-by-zero.
2569 * c-opts.c (c_common_handle_option): Remove dead case.
2571 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2573 * configure.ac (TLS assembler check): Do not enable TLS by
2574 default on SPARC/Solaris before version 10.
2575 * configure: Regenerate.
2577 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2579 * doc/invoke.texi (xl-compat): Document conversion and support
2582 2006-02-07 Jeff Law <law@redhat.com>
2584 * tree-vrp.c (find_conditional_asserts): Update comments.
2585 (simplify_stmt_for_jump_threading): New.
2586 (identify_jump_threads, finalize_jump_threads): New.
2587 (vrp_finalize): Call identify_jump_threads.
2588 (execute_vrp): Call finalize_jump_threads.
2589 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2590 (vrp_element, vrp_data, vrp_element_p): Remove.
2591 (vrp_hash_elt, vrp_variables_stack): Remove.
2592 (vrp_hash, vrp_eq, record_range): Remove.
2593 (simplify_cond_and_lookup_avail_expr): Remove.
2594 (extract_range_from_cond): Remove.
2595 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2596 (simplify_stmt_for_jump_threading): New.
2597 (dom_thread_across_edge): New wrapper.
2598 (tree_ssa_dominator_optimize): No longer initialize or
2599 finalize any of the VRP datastructures. Remove iteration
2600 step and simplify as a result of removal of iteration step.
2601 (pass_dominator): Perform a cfg cleanup after DOM.
2602 (dom_opt_finalize_block): Use the new common routines
2603 for threading jumps. Simplify stack management slightly.
2604 No longer need to unwind VRP state.
2605 (record_equivalences_from_incoming_edge): No longer record
2607 (eliminate_redundant_computations): No longer call
2608 simplify_cond_and_lookup_avail_expr.
2609 * tree-flow.h (potentially_threadable_block): Prototype.
2610 (thread_across_edge): Likewise.
2611 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2612 (tree-ssa-threadedge.o): Add dependencies.
2613 * tree-ssa-threadedge.c: New file.
2614 * passes.c (init_optimization_passes): Merge PHIs before
2615 calling VRP. Run VRP again late in the SSA optimization pipeline.
2617 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2619 * df-core.c (df_set_blocks): Do not dereference function pointers.
2620 (df_finish1): Likewise.
2621 (df_hybrid_search_forward): Likewise.
2622 (df_hybrid_search_backward): Likewise.
2623 (df_iterative_dataflow): Likewise.
2624 (df_analyze_problem): Likewise.
2625 (df_compact_blocks): Likewise.
2626 (df_dump): Likewise.
2627 * df-scan.c (df_rescan_blocks): Likewise.
2628 (df_record_entry_block_defs): Likewise.
2630 * genconditions.c (write_conditions): Guard the definition of
2631 'insn_conditions' with the check on GCC version.
2632 (write_writer): Guard the traversal 'insn_conditions' with
2633 the check on GCC version.
2635 2006-02-07 Richard Guenther <rguenther@suse.de>
2639 2006-01-30 Richard Guenther <rguenther@suse.de>
2641 * gimplify.c (gimplify_target_expr): Handle easy cases
2642 without creating a temporary.
2644 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2646 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2647 use of float in probability computations. Use edge probabilities
2648 in place of statically computed probabilities.
2649 (min_spec_prob): New static variable.
2650 (schedule_insns): Initialize it.
2651 (GET_SRC_PROB): Removed.
2652 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2654 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2657 * config/ia64/unwind-ia64.c: Revert last change.
2658 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2659 (INCOMING_FRAME_SP_OFFSET): Define.
2661 2006-02-06 Roger Sayle <roger@eyesopen.com>
2663 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2665 2006-02-07 Ben Elliston <bje@au.ibm.com>
2667 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2668 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2669 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2670 (ix86_return_in_memory): Handle TDmode.
2671 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2672 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2674 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2676 * reorg.c (dbr_schedule): Use dump_file instead of file.
2678 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2681 * config/ia64/predicates.md (extr_len_operand): New predicate.
2682 * config/ia64/ia64.md (extv): Tighten constraints.
2684 (*tbit_and_2): Ditto.
2685 (*tbit_and_3): Ditto.
2686 (*tbit_or_2): Ditto.
2687 (*tbit_or_3): Ditto.
2691 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2694 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2696 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2698 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2699 loop_optimizer_init and loop_optimizer_finalize
2700 * tree-ssa-sink.c (execute_sink_code): Ditto.
2701 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2702 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2703 tree_ssa_loop_done): Ditto.
2704 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2705 * sched-ebb.c: Include output.h.
2706 (schedule_ebbs): Do not use dump argument.
2707 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2708 * loop.c (loop_dump_stream): Removed.
2709 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2711 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2712 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2713 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2714 loop_iterations, strength_reduce, record_biv, record_giv,
2715 final_giv_value, check_final_value, check_ext_dependent_givs,
2716 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2717 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2718 dump_file instead of loop_dump_stream.
2719 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2721 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2723 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2724 * haifa-sched.c: Include output.h
2725 (schedule_insns, sched_init): Do not use dump argument.
2726 * mode-switching.c (optimize_mode_switching): Ditto.
2727 * modulo-sched.c (stats_file): Removed.
2728 (print_node_sched_params): Do not call argument dump_file.
2729 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2730 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2732 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2734 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2735 rtl_loop_init, rtl_loop_done): Ditto.
2736 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2737 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2739 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2740 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2741 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2742 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2743 * emit-rtl.c (renumber_insns): Ditto.
2744 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2745 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2746 * regclass.c (regclass): Ditto.
2747 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2748 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2749 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2750 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2752 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2753 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2755 * gcse.c (gcse_file, debug_stderr): Removed.
2756 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2757 rest_of_handle_gcse): Do not use dump argument.
2758 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2759 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2760 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2761 compute_code_hoist_vbeinout, compute_code_hoist_data,
2762 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2763 compute_store_table, build_store_vectors, insert_insn_start_bb,
2764 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2765 store_motion): Use dump_file instead of gcse_file.
2766 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2767 * profile.c (profile_dump_file): Removed.
2768 (branch_prob): Use dump_file instead of profile_dump_file.
2769 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2771 * tree-ssa-copy.c (dump_copy_of): Ditto.
2772 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2773 dump file to life_analysis.
2774 * bt-load.c (branch_target_load_optimize): Ditto.
2775 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2777 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2778 regclass, dbr_schedule): Declaration changed.
2779 * sched-int.h (sched_init): Declaration changed.
2780 * tree-profile.c (tree_profile_dump_file): Removed.
2781 (tree_profile_hooks): Removed profile_dump_file hook.
2782 * rtl-profile (rtl_profile_dump_file): Removed.
2783 (rtl_profile_hooks): emoved profile_dump_file hook.
2784 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2786 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2787 * tree-cfg.c (build_tree_cfg): Ditto.
2788 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2789 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2790 Declaration changed.
2791 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2792 life_analysis and schedule_insns.
2793 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2795 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2797 * config/mips/mips.c (mips_reorg): Ditto.
2798 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2801 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2803 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2804 (s390_mangle_fundamental_type): New.
2805 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2808 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2809 (alpha_mangle_fundamental_type): New.
2810 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2813 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2815 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2817 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2818 (sparc_mangle_fundamental_type): New.
2820 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2822 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2823 (s390x-*-linux*): Likewise.
2824 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2825 * config/s390/t-linux: New file.
2827 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2829 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2830 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2832 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2834 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2835 (ANTIC_SAFE_LOADS): New macro.
2836 (find_or_generate_expression): Add prototype.
2837 (set_contains_value): Allow null set for sake of not always having
2838 to allocate ANTIC_SAFE_LOADS.
2839 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2840 Allow COMPONENT_REF too.
2841 (valid_in_set): Allow COMPONENT_REF.
2842 Check ANTIC_SAFE_LOADS too.
2843 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2844 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2846 (can_PRE_operation): Add COMPONENT_REF.
2847 (create_component_ref_by_pieces): New function.
2848 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2849 (insert_aux): Move AGGREGATE_TYPE_P check here.
2850 (compute_avail): Set bb local stmt uids.
2851 (pass_pre): Use TODO_update_ssa_only_virtuals.
2853 2006-02-06 Ben Elliston <bje@au.ibm.com>
2855 * configure.ac: Unconditionally disable decimal float by default.
2856 * configure: Regenerate.
2858 2006-02-06 Ben Elliston <bje@au.ibm.com>
2860 * read-rtl.c (read_name): Terminate reading on EOF.
2862 2006-02-06 Ben Elliston <bje@au.ibm.com>
2864 * dfp.c (decimal_real_arithmetic): Change second argument type
2865 from int to enum tree_code. Do not always return true, but now
2866 return result of any call to decimal_do helper functions.
2867 * dfp.h (decimal_real_arithmetic): Update prototype.
2869 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2871 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2873 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2876 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2879 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2881 * tree-vrp.c (cfg_loops): Removed.
2882 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2883 Use current_loops instead of cfg_loops. Pass flags to
2884 loop_optimizer_init.
2885 * cfgloopmanip.c (fix_loop_structure): Update only available
2887 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2888 loop_optimizer_init.
2889 * modulo-sched.c (build_loops_structure): Removed.
2890 (sms_schedule): Use loop_optimizer_init.
2891 * loop-init.c (loop_optimizer_init): Use flags to determine
2892 which properties of loops to prepare.
2893 (rtl_loop_init): Pass flags to loop_optimizer_init.
2894 * tree-ssa-sink.c (execute_sink_code): Ditto.
2895 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2896 * tree-ssa-pre.c (init_pre): Ditto.
2897 * cfgloop.h (LOOPS_NORMAL): New.
2898 (loop_optimizer_init): Declaration changed.
2900 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2902 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2903 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2905 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2907 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2909 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2910 * pa/t-pa64: Delete quadlib.c rule.
2911 * pa/x-ada: Revert last change.
2912 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2914 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2916 PR rtl-optimization/26087
2917 * rtlanal.c (canonicalize_condition): Do not cross basic block
2920 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2923 * config/ia64/ia64.c: Include debug.h.
2924 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2925 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2926 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2927 (process_epilogue, process_set, process_for_unwind_directive):
2928 Output unwind info only if requested. Add CFA info if requested.
2929 Add new arguments as needed. Adjust callers.
2930 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2932 (DWARF2_FRAME_INFO): Define to zero.
2933 * config/ia64/unwind-ia64.c: Remove code that compensated for
2934 the CFA offset error fixed above.
2935 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2936 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2937 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2938 -funwind-tables and -fexceptions to enable frame info.
2939 (dwarf2out_frame_init): Define initial CFA even if
2940 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2941 DWARF2_UNWIND_INFO is nonzero, not just defined.
2942 (dwarf2out_frame_finish): Output non-EH call frame info only
2943 if DWARF2_FRAME_INFO is nonzero.
2944 (convert_cfa_to_loc_list,
2945 compute_frame_pointer_to_cfa_displacement): Define even if
2946 unwind info is not supported.
2947 (gen_subprogram_die): Use the above unconditionally. Remove
2948 legacy alternate code.
2949 * toplev.c (compile_file): Compile in call to
2950 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2951 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2953 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2954 Jakub Jelinek <jakub@redhat.com>
2956 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2957 IBM extended float format long double as "g" on powerpc*-linux.
2959 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2962 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2963 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2965 2006-02-03 Jason Merrill <jason@redhat.com>
2968 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2971 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2972 on the return slot if it's an NRV.
2974 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2976 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2977 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2978 rewrite_use): Do not handle USE_OUTER.
2979 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2980 add_iv_outer_candidates, may_replace_final_value,
2981 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2982 (find_interesting_uses_op): Functionality of
2983 find_interesting_uses_outer_or_nonlin moved here.
2984 (find_interesting_uses_outside): Use find_interesting_uses_op.
2986 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2989 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2991 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2992 Ulrich Weigand <uweigand@de.ibm.com>
2995 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2996 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2997 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2998 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3000 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3001 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3002 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3003 Define secondary reloads for TFmode moves.
3004 (constant_modes): Add TFmode.
3005 (NR_C_MODES): Set to 8.
3006 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3008 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3009 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3010 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3011 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3012 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3013 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3014 (FPR mode macro): Add TFmode.
3015 (DSF mode macro): New.
3016 (<de>, <dee> mode attributes): Removed.
3017 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3018 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3019 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3020 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3021 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3022 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3023 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3024 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3025 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3026 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3027 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3028 "*negabs<mode>2", "sqrt<mode>2"):
3029 Changed <de> to <xde>. R constraint replaced by <Rf>.
3030 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3032 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3033 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3034 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3036 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3037 "extenddftf2", "extendsftf2"): New expanders.
3038 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3039 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3040 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3041 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3043 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3044 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3045 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3046 __floatditf): Add a GCC_4.1.0 symbol version tag.
3047 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3050 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3053 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3054 Use targetm.binds_local_p instead of TREE_PUBLIC.
3056 2006-02-02 Roger Sayle <roger@eyesopen.com>
3058 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3059 on INTEGER_TYPEs to indicate that it denotes a character type.
3060 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3061 signed_char_type_node, unsigned_char_type_node and char_type_node.
3062 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3063 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3064 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3066 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3067 Daniel Berlin <dberlin@dberlin.org>
3069 * tree-tailcall.c (arg_needs_copy_p): New function.
3070 (eliminate_tail_call): Use arg_needs_copy_p.
3071 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3072 (add_virtual_phis): New function.
3074 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3076 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3077 #ignore instead of #scratch for %g7 .register directive.
3079 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3081 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3084 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3086 * flow.c (calculate_global_regs_live): Assert that there aren't any
3089 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3091 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3093 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3094 bsi_after_labels iterator.
3095 * tree-if-conv.c (find_phi_replacement_condition,
3096 replace_phi_with_cond_modify_expr): Likewise.
3097 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3098 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3100 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3102 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3104 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3107 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3108 array after growing it.
3110 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3113 * fold-const.c (fold_checksum_tree): Change type of buf.
3115 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3117 * reload.c (push_secondary_reload): Initialize t_icode.
3119 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3121 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3122 -msoft-float -mlong-double-128 only issue a warning, but don't
3123 swich to DFmode long double.
3125 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3127 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3128 has a constant equivalent, iterate over equivalents for arg0,
3129 calling simplify_relational_operation and if there's a result
3130 cheaper than X, apply fold_rtx and return the result.
3132 2006-02-01 Jan Hubicka <jh@suse.cz>
3134 * opts.c (no_unit_at_a_time_default): New global variable.
3135 (decode_options): Use it.
3136 * opts.h (no_unit_at_a_time_default): Declare.
3138 2006-02-01 Paul Brook <paul@codesourcery.com>
3140 * function.c (assign_parm_setup_reg): Use function argument promotion
3142 * expr.c (expand_expr_real_1): Use function argument promotion rules
3145 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3147 * gcc.c (process_command): Change j to 'unsigned int'.
3149 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3152 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3153 Use the corrected index for the character
3154 out of the string constant.
3156 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3158 * mode-switching.c (optimize_mode_switching): Fix size
3159 allocated for bb_info[n_entities].
3161 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3163 * gcc.c (main): Correct type that is allocated for
3164 explicit_link_files.
3166 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3168 * config/s390/s390.c (init_alignment_context): Set
3169 ALIAS_SET_MEMORY_BARRIER on the MEM.
3170 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3172 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3175 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3177 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3180 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3182 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3183 * regrename.c: Ditto.
3184 * tree-ssa-loop-im.c: Ditto.
3185 * tree-dump.c: Ditto.
3186 * tree-complex.c: Ditto.
3187 * genrecog.c: Ditto.
3188 * tree-ssa-threadupdate.c: Ditto.
3190 * java/class.c: Ditto.
3191 * java/jcf-parse.c: Ditto.
3192 * java/resource.c: Ditto.
3193 * java/except.c: Ditto.
3194 * java/jvspec.c: Ditto.
3195 * java/jcf-write.c: Ditto.
3196 * java/jcf-path.c: Ditto.
3197 * java/gjavah.c: Ditto.
3198 * java/zextract.c: Ditto.
3199 * java/jcf-io.c: Ditto.
3200 * java/jcf.h: Ditto.
3201 * java/buffer.c: Ditto.
3202 * java/lang.c: Ditto.
3203 * java/parse-scan.y: Ditto.
3204 * java/lex.c: Ditto.
3205 * java/lex.h: Ditto.
3206 * cfgloopmanip.c: Ditto.
3207 * postreload-gcse.c: Ditto.
3208 * tree-ssa-loop-manip.c: Ditto.
3209 * postreload.c: Ditto.
3210 * tree-ssa-loop-ch.c: Ditto.
3214 * diagnostic.c: Ditto.
3216 * genoutput.c: Ditto.
3218 * cfghooks.c: Ditto.
3219 * cfgloopanal.c: Ditto.
3220 * objc/objc-act.c: Ditto.
3222 * genextract.c: Ditto.
3223 * genautomata.c: Ditto.
3224 * pretty-print.c: Ditto.
3226 * cgraphunit.c: Ditto.
3229 * haifa-sched.c: Ditto.
3230 * dominance.c: Ditto.
3232 * tree-ssa-loop-ivopts.c: Ditto.
3234 * mode-switching.c: Ditto.
3235 * modulo-sched.c: Ditto.
3237 * ipa-pure-const.c: Ditto.
3239 * fix-header.c: Ditto.
3241 * tree-stdarg.c: Ditto.
3242 * ipa-utils.c: Ditto.
3243 * loop-init.c: Ditto.
3244 * ipa-inline.c: Ditto.
3247 * alloc-pool.c: Ditto.
3248 * dwarf2out.c: Ditto.
3250 * genattrtab.c: Ditto.
3251 * tree-ssa-loop-ivcanon.c: Ditto.
3255 * fortran/gfortranspec.c: Ditto.
3257 * local-alloc.c: Ditto.
3258 * langhooks.c: Ditto.
3259 * function.c: Ditto.
3260 * tree-vectorizer.c: Ditto.
3262 * ipa-type-escape.c: Ditto.
3264 * tree-if-conv.c: Ditto.
3267 * tree-data-ref.c: Ditto.
3268 * loop-unroll.c: Ditto.
3269 * treelang/treetree.c: Ditto.
3272 * ggc-common.c: Ditto.
3274 * coverage.c: Ditto.
3276 * tree-cfgcleanup.c: Ditto.
3277 * tree-ssa-pre.c: Ditto.
3278 * cfgcleanup.c: Ditto.
3279 * loop-invariant.c: Ditto.
3281 * ipa-prop.c: Ditto.
3282 * print-tree.c: Ditto.
3283 * conflict.c: Ditto.
3284 * ggc-page.c: Ditto.
3285 * sched-deps.c: Ditto.
3286 * regclass.c: Ditto.
3287 * tree-object-size.c: Ditto.
3289 * bb-reorder.c: Ditto.
3290 * resource.c: Ditto.
3291 * var-tracking.c: Ditto.
3293 * df-problems.c: Ditto.
3294 * reg-stack.c: Ditto.
3297 * sched-rgn.c: Ditto.
3298 * tree-ssa-structalias.c: Ditto.
3299 * tree-ssa-reassoc.c: Ditto.
3300 * config/darwin-c.c: Ditto.
3301 * config/darwin.c: Ditto.
3302 * config/arm/arm.c: Ditto.
3304 * collect2.c: Ditto.
3307 2006-01-31 Nicolas Pitre <nico@cam.org>
3309 * arm.md (smaxsi3): Make aware of smax_m1.
3312 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3314 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3316 2006-01-31 Richard Guenther <rguenther@suse.de>
3318 * doc/invoke.texi (-msselibm): Document.
3319 * target.h (expand_library_builtin): New target hook.
3320 * builtins.c (expand_builtin): Use expand_library_builtin.
3321 (default_expand_library_builtin): New function.
3322 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3323 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3324 (link_gcc_math_spec): Declare.
3325 (static_specs): Add link_gcc_math_spec.
3326 * expr.h (default_expand_library_builtin): Declare.
3327 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3328 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3329 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3330 * config/i386/i386.opt (msselibm): New target option.
3331 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3332 (ix86_init_sse_abi_builtins): New function.
3333 (ix86_expand_library_builtin): Likewise.
3334 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3335 (override_options): Handle error conditions wrt -msselibm.
3336 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3337 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3338 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3341 2006-01-31 Richard Guenther <rguenther@suse.de>
3342 Paolo Bonzini <bonzini@gnu.org>
3344 * doc/install.texi (--disable-libgcc-math): Document.
3346 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3348 * expr.h (expand_normal): new inline function.
3349 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3351 * dwarf2out.c: use it.
3356 * config/sparc/sparc.c: use it.
3357 * config/i386/i386.c: use it.
3358 * config/rs6000/rs6000.c: use it.
3359 * config/arm/arm.c: use it.
3360 * config/mips/mips.c: use it.
3361 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3363 2006-01-30 Roger Sayle <roger@eyesopen.com>
3365 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3366 argv to the appropriate type.
3368 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3370 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3373 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3376 * config/s390/s390.c (struct machine_function): New flag
3377 decomposed_literal_pool_addresses_ok_p.
3378 (s390_reorg): Set it before final stage of literal pool transforms.
3379 (s390_decompose_address): Only accept displacements of the form
3380 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3382 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3384 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3385 the comparison routine return.
3387 2006-01-30 Michael Matz <matz@suse.de>
3389 * global.c (find_reg): Only evict for global regs.
3390 Take n_refs into account and dump more info.
3392 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3395 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3396 (pragma_trap, pragma_nosave_low_regs): Likewise.
3397 (current_function_anonymous_args): Likewise.
3398 (sh_deferred_function_attributes): New variable.
3399 (sh_deferred_function_attributes_tail): Likewise.
3400 (print_operand): For '@', look up trap_exit attribute.
3401 (calc_live_regs): Look up trapa_handler attribute. For trapa
3402 handlers, save/restore fpscr, but don't do any other
3403 interrupt-specific saves.
3404 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3405 Fix check for partially saved registers to check for SHmedia.
3406 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3407 (sh_output_function_epilogue): Don't clear any of the removed
3409 (sh_insert_attributes): Don't check pragma_interrupt.
3410 Insert deferred attributes. Check that interrupt attribute is
3411 present for other attributes that require its presence.
3412 (sh_attribute_table): Add new attributes trapa_handler and
3414 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3415 Don't check for pragma_interrupt. Don't store argument.
3416 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3417 (sh_deferred_function_attributes): Declare.
3418 (sh_deferred_function_attributes_tail): Likewise.
3419 * sh.md (sp_switch_1): Add operand. Change generator caller.
3420 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3421 (*return_i): Don't use when trap_exit attribute is in effect.
3422 (*return_trapa): New insn pattern.
3424 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3425 setting c_target_objs and cxx_target_objs.
3426 * t-sh: Add rule for sh-c.o.
3428 2006-01-30 Richard Guenther <rguenther@suse.de>
3431 * gimplify.c (gimplify_target_expr): Handle easy cases
3432 without creating a temporary.
3434 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3436 * vec.h (safe_grow): Remove duplicated line.
3438 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3441 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3442 (expand_omp): ... here.
3443 (expand_omp_parallel): Only remove barriers for combined
3444 parallel+workshare constructs.
3446 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3450 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3451 * tree.c (build_qualified_type): Chain the new type to the original
3452 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3453 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3454 (build_pointer_type_for_mode): Only return unqualified types.
3455 (build_reference_type_for_mode): Likewise.
3457 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3459 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3460 * Makefile.in (CXX_COMPAT_WARN): Define.
3461 * configure: Regenerate.
3463 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3466 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3469 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3471 * toplev.c: Fix thinko.
3473 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3474 Marcin Dalecki <martin@dalecki.de>
3476 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3477 (push_srcloc): Use XNEW.
3478 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3480 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3482 * df-core.c (df_set_blocks): Deleted all variable.
3484 2006-01-28 Ian Lance Taylor <ian@airs.com>
3486 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3487 cgraph_output_pending_asms.
3489 2006-01-28 Zack Weinberg <zackw@panix.com>
3491 * c.opt: Add -W(no-)overlength-strings.
3492 * doc/invoke.texi: Document it.
3493 * c-opts.c (c_common_handle_option): -pedantic implies
3494 -Woverlength-strings, if not explicitly disabled already.
3495 (c_common_post_options): -Woverlength-strings defaults to off, and
3496 is always off for C++.
3497 * c-common.c (fix_string_type): Issue warning about strings longer
3498 than is portable only if warn_overlength_strings. Rearrange code
3499 a little for clarity.
3500 * configure.in: Check for -Wno-overlength-strings as well before
3501 enabling -pedantic in stage 1.
3502 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3503 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3505 * genconditions.c (write_header, write_one_condition)
3506 (write_conditions, write_writer): Consolidate very long strings
3507 that were broken up to fit in C89 portable limit. Don't use
3508 printf when fputs will do.
3510 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3512 * combine.c (simplify_comparison <AND>): Check
3513 TRULY_NOOP_TRUNCATION before start using a subreg.
3515 * config/mips/mips.md (*branch_zero<mode>,
3516 *branch_zero<mode>_inverted, *branch_equality<mode>,
3517 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3518 Remove mode check from comparisons.
3520 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3522 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3524 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3526 * expmed.c (const_mult_add_overflow_p): Remove.
3527 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3529 * recog.c (validate_replace_rtx_subexp): Remove.
3530 * recog.h: Remove the prototype for
3531 validate_replace_rtx_subexp.
3533 * integrate.h: Remove the prototype for
3534 copy_decl_for_inlining.
3535 * rtl.h: Remove the prototype for mark_constant_function.
3536 * tree-vectorizer.h: Remove the prototype for
3537 vect_strip_conversion.
3539 * modulo-sched.c (create_partial_schedule,
3540 free_partial_schedule, reset_partial_schedule): Make them
3543 * hooks.c (hook_bool_rtx_int_false): Remove.
3544 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3546 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3548 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3549 and -mlong-double-128 are incompatible.
3550 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3551 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3552 (TARGET_LIBGCC2_CFLAGS): Define.
3553 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3554 (TARGET_LIBGCC2_CFLAGS): Same.
3555 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3557 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3560 * c-typeck.c (build_binary_op): Perform implicit casts of
3561 operands before shortening them.
3563 * cfgloopmanip.c (split_loop_bb): Remove.
3564 * cfgloop.h: Remove the prototype for split_loop_bb.
3566 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3567 * cfgloop.h: Remove the prototype for
3568 flow_loop_outside_edge_p.
3570 * emit-rtl.c (init_virtual_regs): Make it static.
3571 * function.h: Remove the prototype for init_virtual_regs.
3573 * recog.c (peephole2_optimize): Make it static.
3574 * recog.h: Remove the prototype for peephole2_optimize.
3576 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3578 * df-scan.c (df_record_entry_block_defs): Check if
3579 INCOMING_RETURN_ADDR_RTX is defined.
3581 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3582 Kenneth Zadeck <zadeck@naturalbridge.com>
3584 PR rtl-optimization/24762
3585 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3586 * targhooks.c (hook_void_bitmap): New hook prototype.
3587 * targhoohs.h (hook_void_bitmap): Ditto.
3588 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3589 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3590 * target.h (live_on_entry): New function pointer.
3591 * df-scan.c (df_all_hard_regs): Removed.
3592 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3593 (df_scan_free_internal): Added df->entry_block_defs.
3594 (df_scan_alloc): Ditto.
3595 (df_scan_dump): Ditto.
3596 (df_uses_record): Plumbed flag field properly thru calls.
3597 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3598 This part fixes PR24762.
3599 (df_bb_refs_record): Added code to make the frame and arg
3600 pointers live in EH blocks.
3601 (df_refs_record): Added call to df_record_entry_block_defs.
3602 (df_record_entry_block_defs): New function.
3603 * df-core.c: Added comments to describe new artifical defs.
3604 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3605 (entry_block_defs): New field in struct df.
3606 (df_all_hard_regs): Deleted.
3607 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3608 * df-problems.c (df_ru_bb_local_compute_process_def):
3609 Added code to handle artifical defs in the entry to a function.
3610 (df_ru_bb_local_compute): Ditto.
3611 (df_rd_bb_local_compute_process_def): Ditto.
3612 (df_rd_bb_local_compute): Ditto.
3613 (df_lr_bb_local_compute): Ditto.
3614 (df_ur_bb_local_compute): Ditto.
3615 (df_urec_bb_local_compute): Ditto.
3616 (df_chain_create_bb): Ditto.
3617 (df_ur_local_finalize): Removed entry.
3618 (df_urec_init): Ditto.
3619 (df_urec_local_finalize): Ditto.
3620 (df_ri_bb_compute): Added detection of last use of pseudos.
3621 * Makefile.in (df-scan.o): Updated dependencies.
3622 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3623 * config/mips/mips.c (mips_set_live_on_entry): Added.
3624 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3626 * dce.c (marked_insn_p): Added code to handle artifical defs.
3628 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3630 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3632 (_mm_cvtsi128_si64): Likewise.
3633 (_mm_cvtsd_si64): Likewise.
3634 (_mm_cvttsd_si64): Likewise.
3635 (_mm_cvtsi64_sd): Likewise.
3636 (_mm_cvtsi64_si128): Likewise.
3637 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3638 (_mm_cvtsi64_m64): Likewise.
3639 (_m_to_int64): Likewise.
3640 (_mm_cvtm64_si64): Likewise.
3641 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3642 (_mm_cvttss_si64): Likewise.
3643 (_mm_cvtsi64_ss): Likewise.
3644 (_mm_cvtss_f32): Likewise.
3646 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3648 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3649 for pragma redefine_extname.
3651 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3654 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3655 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3656 -mno-minimal-toc to previous content.
3657 (bispecs): Remove goal.
3658 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3659 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3660 compatibility aliases on powerpc-*-*gnu*.
3661 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3662 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3663 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3664 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3665 (ldblspecs): New goal.
3666 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3667 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3669 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3670 L_sf_to_tf or L_df_to_tf is defined.
3672 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3673 Alan Modra <amodra@bigpond.net.au>
3676 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3677 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3678 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3679 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3680 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3681 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3682 (rs6000_override_options): Initialize rs6000_ieeequad.
3683 Initialize TFmode format to ibm_extended_format if not
3685 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3687 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3688 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3689 (function_arg_advance): IBM long double passed in two FPRs, not
3691 (function_arg): IBM long double passed in FPRs.
3692 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3693 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3694 Only multireg GPR aligned.
3695 (rs6000_init_libfuncs): Enable IBM long double functions if not
3697 (rs6000_generate_compare): Use IBM long double compare if not
3699 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3700 (TARGET_IEEEQUAD): Define.
3701 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3702 not TARGET_IEEEQUAD.
3703 * config/rs6000/rs6000.md: Enable TFmode patterns if
3705 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3706 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3707 and -mlong-double-128 are incompatible.
3708 * doc/invoke.texi (-mabi): Collect options together. Add
3709 ibmlongdouble and ieeelongdouble.
3711 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3713 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3715 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3716 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3717 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3718 * rtl.h (rtunion_def): Remove rt_ptr.
3720 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3721 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3722 * config/i386/winnt.c (i386_pe_mark_dllexport)
3723 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3725 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3727 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3729 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3733 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3734 pthread_key_delete. From John David Anglin. gthrw-ify
3735 pthread_getunique_np only if it it's not a macro. Delete
3737 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3738 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3739 __gthread_objc_condition_signal, __gthread_key_delete): Add
3740 "__attribute__ ((__unused__))" to unused arguments.
3741 (__gthread_recursive_mutex_init_function): Add missing return.
3742 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3743 gthr-posix95.h: Use macro-based approach for name redirection
3744 on targets missing weakref.
3746 2006-01-26 Zack Weinberg <zackw@panix.com>
3748 * genconditions.c (write_header): In generated code, #ifdef out
3749 all includes and fake declarations, except includes of bconfig.h
3750 and system.h, unless GCC_VERSION >= 3001. Do not include
3751 gensupport.h in any case.
3752 (write_conditions): Generate a definition of struct c_test. Add
3753 a comment to the generated #endif.
3754 (write_one_condition): Escape backslashes in string too.
3755 (write_writer): Generated code must escape backslashes and quote
3756 marks (but not newlines) in the strings it writes.
3757 * Makefile.in (build/gencondmd.o): Update dependencies.
3759 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3762 * Makefile.in (insn-automata.o): Add header file dependencies.
3763 * genautomata.c: Add includes.
3765 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3768 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3770 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3772 * configure.ac: Expect target tools paths to be passed from the toplevel
3773 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3775 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3777 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3780 * c.opt (Wpointer-sign): Init to -1.
3781 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3782 OPT_pedantic, to 0 otherwise.
3783 * doc/invoke.texi: Update.
3785 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3787 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3788 constants provided by 80387 instructions in the destination mode.
3790 2006-01-26 Richard Guenther <rguenther@suse.de>
3791 Andrew Pinski <pinskia@physics.uc.edu>
3794 partial PR tree-opt/17064
3795 * tree-ssa-structalias.c (intra_create_variable_infos):
3796 Create heap variables for incoming parameters if
3797 flag_argument_noalias > 1.
3798 (find_what_p_points_to): Look through default defs of
3801 2006-01-26 Jeff Law <law@redhat.com>
3804 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3805 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3806 within the VR_RANGE, use the VR_RANGE as the result, not the
3808 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3809 bounds for the type.
3811 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3813 * tree-ssa-alias.c (maybe_create_global_var): Change
3814 subvar walking to an assertion that we don't have subvar'd variables.
3816 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3819 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3820 Use a new variable, inner. PARM_DECLs are always non-weak.
3822 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3824 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3827 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3829 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3831 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3833 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3834 (smax_insn, smin_insn, smax_0, smin_0): New.
3836 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3839 * config/cris/cris.c (cris_order_for_addsi3): New function.
3840 * config/cris/cris-protos.h: Prototype it.
3841 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3842 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3843 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3844 (split for "op.S1 [rx=rx+i],ry (swapped)")
3845 (split for "op(s|u).S1 [rx=rx+i],ry")
3846 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3847 Apply cris_order_for_addsi3 when generating addsi3 insns.
3849 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3851 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3852 (TREE_BLOCK): Add call to EXPR_CHECK.
3854 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3857 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3858 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3859 (dump_omp_clauses): ... here.
3860 (dump_generic_node): Handle OMP_CLAUSE.
3861 * tree.c (omp_clause_num_ops): New.
3862 (omp_clause_code_name): New.
3863 (tree_code_size): Handle OMP_CLAUSE.
3864 (tree_size): Likewise.
3865 (make_node): Document handling of OMP_CLAUSE.
3866 (tree_node_structure): Handle OMP_CLAUSE.
3867 (omp_clause_check_failed): New.
3868 (omp_clause_range_check_failed): New.
3869 (omp_clause_operand_check_failed): New.
3870 (build_omp_clause): New.
3871 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3872 * tree.h (enum omp_clause_code): Declare.
3873 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3874 (OMP_CLAUSE_RANGE_CHECK): Define.
3875 (OMP_CLAUSE_ELT_CHECK): Define.
3876 (omp_clause_check_failed): Declare.
3877 (omp_clause_operand_check_failed): Declare.
3878 (omp_clause_range_check_failed): Declare.
3879 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3880 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3881 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3882 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3883 (OMP_CLAUSE_IF_EXPR): Likewise.
3884 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3885 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3886 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3887 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3888 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3889 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3890 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3891 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3892 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3893 (OMP_CLAUSE_CODE): Define.
3894 (OMP_CLAUSE_SET_CODE): Define.
3895 (OMP_CLAUSE_CODE): Define.
3896 (OMP_CLAUSE_OPERAND): Define.
3897 (struct tree_omp_clause): Declare.
3898 (union tree_node): Add field 'omp_clause'.
3899 * treestruct.def (TS_OMP_CLAUSE): Define.
3900 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3901 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3902 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3903 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3904 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3905 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3906 (OMP_CLAUSE): Define.
3907 * print-tree.c (print_node): Handle OMP_CLAUSE.
3908 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3909 * c-typeck.c: Likewise.
3910 * gimplify.c: Likewise.
3911 * c-omp.c: Likewise.
3912 * tree-nested.c: Likewise.
3913 * tree-inline.c: Likewise.
3914 * c-parser.c: Likewise.
3915 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3918 2006-01-25 Roger Sayle <roger@eyesopen.com>
3920 PR rtl-optimization/25703
3921 * combine.c (try_combine): Handle zero_extract and strict_low_part
3922 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3924 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3926 * global.c: Fix comment typos.
3928 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3931 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3932 Use output_addr_const instead of assemble_name.
3934 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3936 * Makefile.in (sched-vis.o): Update dependencies.
3937 * haifa-sched.c (sched_finish): Clear current_sched_info.
3938 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3939 (dump_flow_info): Call it.
3940 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3942 * basic-block.h (dump_bb_info): Declare.
3943 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3944 option, and apply options only for dump files whose TDF_RTL,
3945 TDF_TREE, or TDF_IPA bits match.
3946 * rtl.h: Declare new functions exported from sched-vis.c.
3947 * sched-vis.c: Enable also if scheduling is not used.
3948 (print_value): Print the mode of registers if not inside scheduling.
3949 (print_insn): Make it work outside the scheduler. Beautify the output
3951 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3953 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3955 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3956 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3957 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3958 depending on the value of CONSTANT_POOL_ADDRESS_P.
3959 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3961 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3962 rather than SYMBOL_REF_DECL.
3963 (rtx_constant_pool): Remove const_rtx_sym_htab.
3964 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3965 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3966 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3967 Remove handling of const_rtx_sym_htab.
3968 (find_pool_constant): Delete.
3969 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3970 rather than find_pool_constant.
3971 (get_pool_constant_for_function): Delete.
3972 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3974 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3975 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3976 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3977 (SYMBOL_REF_CONSTANT): New macro.
3978 (get_pool_constant_for_function): Delete.
3979 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3980 rather than SYMBOL_REF_DECL.
3981 (i386_pe_mark_dllimport): Likewise.
3982 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3983 rather than SYMBOL_REF_DECL.
3984 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3985 (machopic_indirect_call_target): Likewise.
3987 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3989 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3991 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3993 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3995 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3997 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3999 2006-01-24 David Daney <ddaney@avtrex.com>
4002 * configure.ac (enable_tls): New enable option.
4003 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4004 * configure: Regenerate.
4005 * doc/install.texi (--enable-tls): Document new option.
4006 (--disable-tls): Ditto.
4008 2006-01-24 Richard Henderson <rth@redehat.com>
4010 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4011 * alias.c (true_dependence): Respect it.
4012 (canon_true_dependence, write_dependence_p): Likewise.
4013 * builtins.c (get_builtin_sync_mem): Set it.
4015 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4017 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4020 2006-01-24 DJ Delorie <dj@redhat.com>
4022 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4023 for storing constants in single-bit bitfields.
4025 2006-01-25 Ben Elliston <bje@au.ibm.com>
4027 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4029 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4032 * tree-ssa-pre.c (phi_translate): Return NULL
4033 for AGGREGATE_TYPE's.
4035 2006-01-24 Zack Weinberg <zackw@panix.com>
4037 * genautomata.c (process_state_for_insn_equiv_partition):
4038 Use xcalloc for insn_arcs_array.
4039 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4040 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4042 2006-01-24 Richard Henderson <rth@redhat.com>
4044 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4047 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4049 PR rtl-optimization/25890
4050 PR rtl-optimization/25905
4051 * combine.c (expand_compound_operation, expand_field_assignment):
4052 Fail if the bitfield's final position is out of bounds.
4054 2006-01-24 Ian Lance Taylor <ian@airs.com>
4057 * cgraphunit.c (cgraph_output_in_order): Don't clear
4058 cgraph_asm_nodes until after asm strings have been output.
4060 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4062 * fix-header.c (read_scan_file): Add new parameter imultilib when
4063 calling register_include_chains.
4065 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4067 * omp-low.c: Update documentation.
4069 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4070 Daniel Berlin <dberlin@dberlin.org>
4074 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4075 return from the function.
4077 2006-01-22 Zack Weinberg <zackw@panix.com>
4079 * rtl.def (match_code): Add second argument.
4080 * genpreds.c (write_extract_subexp): New function.
4081 (write_match_code): Add path argument. Use write_extract_subexp.
4082 (write_predicate_expr): Pass path to write_match_code.
4083 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4084 not perform a mode test.
4085 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4086 a subexpression does not constrain the top-level code set.
4087 * read-rtl.c (read_rtx_variadic): New function.
4088 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4089 * doc/md.texi: Document new notation.
4090 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4091 (cmpsi_operand): ... here, using new notation.
4093 2006-01-22 Zack Weinberg <zackw@panix.com>
4095 * varray.c: Remove GENERATOR_FILE #ifdefs.
4097 2006-01-22 Zack Weinberg <zackw@panix.com>
4099 * genautomata.c (output_reserved_units_table): Emit nothing if
4100 description->query_units_num is zero. Remove extra blank line.
4101 (output_cpu_unit_reservation_p): Short circuit
4102 if description->query_units_num is zero.
4104 2006-01-22 Zack Weinberg <zackw@panix.com>
4106 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4107 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4108 nor any of the random handful of variables that used to be necessary
4109 when this program was linked with rtlanal.o. Prune set of forward
4110 function declarations.
4111 (struct attr_desc): Remove static_p field.
4112 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4113 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4114 (attr_string): Do not read the character one past the length of
4116 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4117 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4118 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4119 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4120 (make_automaton_attrs): New.
4121 (main): Do not call into genautomata. Call local gen_bypass
4122 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4123 Remove special case for insn_alts.
4124 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4125 varray.h (leftover from previous change). Prune set of forward
4126 function declarations. Remove state_alts fields from all
4127 structures. Remove state_alts_table from struct automaton.
4128 Make everything except main static. Do not maintain num_dfa_decls.
4129 Do not maintain state_alts fields of various structures.
4130 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4131 (add_arc): Remove state_alts argument. All callers updated.
4132 (output_reserved_units_table): Emit #ifdef here...
4133 (output_tables): ...not here. Don't generate state_alts tables.
4134 (expand_automata): Don't generate attributes.
4135 (write_automata): Don't generate state_alts functions.
4136 (main): New function.
4137 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4138 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4139 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4140 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4141 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4142 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4143 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4144 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4146 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4147 * genattrtab.h: Delete file.
4148 * Makefile.in (OBJS-common): Add insn-automata.o.
4149 (insn-automata.o): New rule.
4150 (simple_generated_c): Add insn-automata.c.
4151 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4152 (genprogmd): Add automata.
4153 (build/genattrtab): Needs no extra objects nor libraries.
4154 (build/genautomata): Needs build/vec.o and -lm.
4156 2006-01-22 Zack Weinberg <zackw@panix.com>
4158 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4159 (output_dfa_max_issue_rate, locked_states_num): Delete.
4160 (struct automaton): Add locked_states field.
4161 (output_dead_lock_vect): Save number of locked states in
4162 automaton->locked_states. If it is zero, don't print anything.
4163 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4164 (output_internal_dead_lock_func): Only test the dead_lock_vect
4165 for automata that have locked states.
4166 (output_statistics): Always print the number of locked states for
4167 each automaton. Calculate total number of locked states here.
4168 (write_automata): Don't call output_dfa_max_issue_rate.
4169 * genattrtab.c: Define length_unit_log as a const variable.
4170 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4171 max_insn_queue_index const.
4172 * final.c (length_unit_log): Declare const.
4173 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4175 2006-01-22 Zack Weinberg <zackw@panix.com>
4177 * genautomata.c: Include vec.h, not varray.h.
4178 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4179 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4180 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4181 VEC_* macros operating on appropriately typed vectors, or to
4182 malloced arrays when the size is known in advance. Const-ify
4183 many char* variables and function arguments. No functional changes.
4184 * Makefile.in (build/varray.o): Delete rule.
4185 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4186 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4188 2006-01-22 Zack Weinberg <zackw@panix.com>
4190 * gensupport.c: Define get_insn_name and record_insn_name here.
4191 (read_md_rtx): Call record_insn_name as appropriate.
4192 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4193 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4194 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4196 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4197 (BUILD_VARRAY): Delete.
4198 (genprognormal): Rename genprogmd. Fold in all programs from
4199 genprognoprint; also attrtab.
4200 (build/genattrtab): Just mention genautomata.o and varray.o.
4201 Reorganize a bit, add comments to make the categories clearer.
4203 2006-01-22 Zack Weinberg <zackw@panix.com>
4205 * genconditions.c (condition_table, add_condition): Delete.
4206 (write_conditions): Don't emit n_insn_conditions nor
4207 insn_elision_unavailable. Issue the gcc version #ifdef here,
4208 inside the table, with no #else clause ...
4209 (write_header): ...not here.
4210 (write_writer): New function.
4211 (main): Don't initialize condition_table. Use add_c_test.
4213 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4214 files on the command line.
4215 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4216 Return -1 if there is no entry in the table, don't abort.
4217 (add_c_test, traverse_c_tests): New functions.
4218 * gensupport.h (insn_elision_unavailable, insn_conditions)
4219 (n_insn_conditions): Delete declarations.
4220 (add_c_test, traverse_c_tests): Declare.
4221 * read-rtl.c: Include gensupport.h.
4222 (read_conditions): New function.
4223 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4224 (read_rtx_1): If we get EOF when we were looking for an initial
4225 open paren, return 0. Call read_conditions when appropriate.
4226 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4227 dummy-conditions.o. Eliminate references to insn-conditions.o,
4228 or change them to build/gencondmd.o, as appropriate. Remove
4229 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4230 from $(simple_generated_c). For all files remaining in those
4231 two lists, add insn-conditions.md to the generator command line.
4232 Give insn-constants.h/s-constants their own rules. Add rules
4233 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4234 (build/read-rtl.o): Depend on gensupport.h.
4235 (genprognormal): Include preds.
4236 (genprogearly): Rename genprognoprint; only difference is now that
4237 they don't link with $(BUILD_PRINT).
4238 * dummy-conditions.c: Delete.
4240 2006-01-22 Zack Weinberg <zackw@panix.com>
4242 * genextract.c: Don't include insn-config.h. Do include vec.h.
4243 Declare vectors of int, char, and locstr.
4244 (locstr): New typedef.
4245 (struct extraction): Make all array fields into bare pointers.
4246 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4247 (insn_code_number): Delete.
4248 (accum_extract): New struct.
4249 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4250 (gen_insn): Take insn_code_number as an argument. Use an
4251 accum_extract structure instead of loading data directly into
4252 a struct extraction, and having to know how big it might get.
4253 (walk_rtx): Operate entirely on an accum_extract structure.
4254 (print_path): Avoid unnecessary use of printf.
4255 (print_header): New function, split out of main. Distinguish
4256 more carefully between an unrecognizable insn and an insn that
4257 has the code number of a define_expand.
4258 (main): Pass insn_code_number to gen_insn. Call print_header
4259 only after parsing. Avoid unnecessary use of printf.
4260 * Makefile.in (build/vec.o): New rule.
4261 (build/genextract): Depend on build/vec.o.
4262 (build/genextract.o): Don't depend on insn-config.h.
4264 2006-01-22 Zack Weinberg <zackw@panix.com>
4266 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4267 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4268 practical. Eliminate per-generator-program link rules.
4270 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4273 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4274 with a call expr to ...
4275 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4277 2006-01-23 Richard Guenther <rguenther@suse.de>
4279 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4280 before make_edge with conditional EDGE_TRUE_VALUE.
4282 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4283 Jan Hubicka <jh@suse.cz>
4284 Richard Guenther <rguenther@suse.de>
4286 PR rtl-optimization/25654
4287 * cfgexpand.c (aggregate_contains_union_type): New function.
4288 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4289 for structure variables that contain a union type.
4291 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4293 * gengtype.c (new_structure): Return the structure.
4294 (create_option): Add an extra "next" argument.
4295 (create_field): New function.
4296 (adjust_field_rtx_def): Use create_option and create_field.
4297 Remove a now-unnecessary call to find_structure.
4298 (adjust_field_tree_def): Likewise.
4299 (note_yacc_type): Remove an unnecessary call to find_structure.
4300 * gengtype.h (new_structure): Return the structure.
4301 (create_option): Add an extra argument.
4302 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4303 (option): Adjust calls to create_option.
4305 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4307 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4309 2006-01-22 Paul Brook <paul@codesourcery.com>
4310 Peter Barada <peter@the-baradas.com>
4312 * config/m68k/m68k.md: Add Coldfire FPU support.
4313 Define FP mode macro and associated attributes.
4314 Use it for float mode patterns.
4315 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4316 (LIBCALL_VALUE): Use m68k_libcall_value.
4317 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4318 (m68k_function_value): Ditto.
4319 (emit_move_sequence): Ditto.
4320 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4321 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4322 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4323 (MULTILIB_EXCEPTIONS): Ditto.
4324 * config/m68k/m68k.opt: Add mcfv4e.
4325 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4326 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4327 (m68k_output_function_prologue): Save ColdFire FPU registers.
4328 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4329 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4330 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4331 ColdFire FPU registers.
4332 (m68k_libcall_value, m68k_function_value): New functions.
4333 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4334 (LIBCALL_VALUE): Use m68k_libcall_value.
4335 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4336 (MASK_COLDFIRE): Add MASK_CFV4E.
4337 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4338 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4339 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4340 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4341 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4342 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4343 * doc/invoke.tex: Document -mcfv4e on m68k.
4345 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4347 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4350 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4353 * c-opts.c (c_common_handle_option): Don't include
4354 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4355 * doc/invoke.texi (C++ Dialect Options): Document that
4356 -Wnon-virtual-dtor is no longer included in -Wall.
4358 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4360 * gcov.c (print_version), gcov-dump.c (print_version),
4361 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4364 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4366 * df-scan.c (problem_SCAN): Added NULL reset function.
4367 (df_scan_reset_blocks): Added code to call reset block function
4368 (df_bb_refs_delete) Fixed comment.
4369 (df_insn_refs_delete): Made tolerant of deleting non existent info
4370 for dataflow problems that need to be reset.
4371 * df-core.c (df_set_blocks): Ditto.
4372 * df.h (struct df_problem): Added reset_fun.
4373 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4374 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4375 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4376 functions to clear out all references to def-use or use-def chains.
4378 2006-01-21 Ben Elliston <bje@au.ibm.com>
4380 * varasm.c (assemble_real): Initialise data array.
4382 2006-01-20 Paul Brook <paul@codesourcery.com>
4384 Merge from csl-arm-branch.
4385 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4386 * config/arm/arm.md (movdi): Force operands[1] to a register
4387 if we have a non-register source.
4388 (*arm_movdi, *movdf_soft_insn): Require that one of the
4389 operands be a register.
4390 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4391 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4393 2006-01-20 DJ Delorie <dj@redhat.com>
4395 * varasm.c (initialize_constant_valid_p): Allow pointers
4396 initialized from integer constants of lesser precision.
4397 (output_constant): Allow non-int-sized pointer modes to be
4398 initialized from integer constants.
4400 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4403 * cppdefault.h (struct default_include): Add multilib flag.
4404 * cppdefault.c (cpp_include_defaults): Set it.
4405 * c.opt (-imultilib): New option.
4406 * c-opts.c (imultilib): New.
4407 (c_common_handle_option): Handle -imultilib.
4408 (c_common_post_options): Likewise.
4409 * c-incpath.c (add_standard_paths, register_include_chains):
4411 * c-incpath.h (register_include_chains): Add extra parameter.
4412 * gcc.c (do_spec_1): Generate -imultilib option.
4413 (The Specs Language): Update %I description.
4414 (process_command): Update copyright notice.
4415 * doc/cppopts.texi (-imultilib): Document.
4416 * doc/invoke.texi (-imultilib): Include in option summary.
4417 (%I): Update specs documentation.
4419 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4421 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4423 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4425 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4428 2006-01-20 Richard Guenther <rguenther@suse.de>
4429 Steven Bosscher <stevenb.gcc@gmail.com>
4431 PR rtl-optimization/24626
4432 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4433 EDGE_TRUE_VALUE if in RTL mode.
4436 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4437 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4439 2006-01-20 Dirk Mueller <dmueller@suse.com>
4442 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4443 instead of a special NOP marker.
4444 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4445 NOP marker handling.
4446 * c-common.h (empty_body_warning): Add forward declaration.
4447 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4448 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4450 2006-01-20 Paul Brook <paul@codesourcery.com>
4452 * Makefile.in (lang_checks): Keep going if mkdir fails.
4454 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4456 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4457 be able to clean out basic block when not necessary.
4458 (df_scan_free): Fixed to properly delete information if df is
4459 unused before calling df_finish.
4460 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4461 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4463 (df_bb_refs_delete): New function.
4464 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4465 * df-core.c (df_set_blocks): Added code to properly clean out
4466 unused blocks if they are not part of the blocks to consider.
4467 Added additional null check.
4468 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4469 be able to clean out basic block when not necessary
4470 * df.h (df_free_bb_function): Ditto.
4471 (df_bb_refs_delete): New function.
4472 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4473 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4474 basic block parameter to be able to clean out basic block when not
4476 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4477 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4478 Fixed to properly delete information if df is unused before
4481 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4483 PR rtl-optimization/25799
4484 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4485 Corrected confluence operator to remove bits from op2 before oring
4486 with op1 rather than removing bits from op1.
4487 (df_ru_transfer_function): Corrected test on wrong bitmap which
4488 caused infinite loop. Both of these problems were introduced in
4489 the dataflow rewrite.
4491 2006-01-19 DJ Delorie <dj@redhat.com>
4493 * reload1.c (find_reload_regs): Note the details of reload
4494 failures in the dump file.
4495 (spill_failure): Likewise.
4497 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4499 * loop-iv.c: Include df.h and hashtab.h.
4500 (enum iv_grd_result): New enum.
4501 (DF_REF_IV, DF_REF_IV_SET): New macros.
4502 (struct biv_entry): New.
4503 (df, bivs): New global variables.
4504 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4505 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4507 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4508 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4509 analyzed_for_bivness_p, record_biv): New functions.
4510 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4511 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4512 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4514 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4516 (iv_number_of_iterations): Use new interface to iv analysis.
4517 * loop-unroll.c: Do not include varray.h.
4518 (analyze_iv_to_split_insn): Use new interface to iv
4520 * loop-unswitch.c (may_unswitch_on): Ditto.
4521 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4523 (df_bb_modify): Realloc tables to the new index.
4524 (df_find_use): New function.
4525 * df.h (df_find_use): Declare.
4526 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4528 * cfgloop.h (struct rtx_iv): Remove analysed field.
4529 (iv_get_reaching_def): Removed.
4530 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4531 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4532 (loop-iv.o): Add df.h and hashtab.h dependency.
4533 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4535 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4538 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4540 (__floatundisf, __floatundidf): Likewise.
4541 * libgcc2.h (IS_IBM_EXTENDED): Define.
4543 2006-01-19 DJ Delorie <dj@redhat.com>
4545 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4547 2006-01-19 Paul Brook <paul@codesourcery.com>
4549 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4550 as nothrow when unwinding tables are disabled.
4552 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4555 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4556 of bit-field" when in system header.
4558 2006-01-19 DJ Delorie <dj@redhat.com>
4560 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4561 the 16 bit shift limit of the m16c.
4563 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4566 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4567 * config/i386/i386.c (output_set_got): Output the label if we have one
4568 for the TARGET_DEEP_BRANCH_PREDICTION case.
4570 2006-01-19 Jan Hubicka <jh@suse.cz>
4571 H.J. Lu <hongjiu.lu@intel.com>
4572 Evandro Menezes <evandro.menezes@amd.com>
4574 * invoke.texi (generic): Document
4576 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4577 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4578 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4579 (x86_use_incdec, x86_pad_returns): New variables
4580 (TARGET_CPU_DEFAULT_generic): New constant
4581 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4582 (enum processor_type): Add generic32 and generic64.
4583 * i386.md (cpu attribute): Add generic32/generic64
4584 (movhi splitter): Behave sanely when both partial_reg_dependency and
4585 partial_reg_stall are set.
4586 (K8 splitters): Enable for generic as well.
4587 * predicates.md (incdec_operand): Use TARGET_INCDEC
4588 (aligned_operand): Avoid memory mismatch stalls.
4589 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4590 * ppro.md: Enable for generic32
4591 * i386.c (generic64_cost, generic32_cost): New.
4592 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4593 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4594 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4595 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4596 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4597 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4598 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4599 x86_accumulate_outgoing_args, x86_prologue_using_move,
4600 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4601 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4603 (x86_use_incdec, x86_pad_returns): New.
4604 (override_options): Add generic32 and generic64, translate "generic"
4605 to generic32/generic64 and "i686" to "generic32", refuse
4606 "generic32"/"generic64" as arch target.
4607 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4608 (ix86_reorg): Honor PAD_RETURNS.
4610 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4612 * tree-pretty-print.c (dump_generic_node): Handle
4613 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4614 * cgraph.c (cgraph_expand_queue): Rename from
4615 cgraph_analyze_queue. Update all users.
4616 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4617 cgraph_expand_queue.
4618 (cgraph_expand_all_functions): Likewise.
4619 (cgraph_finalize_pending_functions): Remove. Update callers.
4621 * tree.h (OMP_DIRECTIVE_P): Define.
4622 (OMP_PARALLEL_FN): Define.
4623 (OMP_PARALLEL_DATA_ARG): Define.
4624 (OMP_SECTIONS_SECTIONS): Define.
4625 * tree-pass.h (pass_expand_omp): Declare.
4626 * omp-low.c (struct omp_region): Declare.
4627 (struct omp_context): Remove fields 'parallel_type',
4628 'parallel_start_ix' and 'parallel_start_additional_args'.
4630 (struct omp_for_data): Rename from struct expand_omp_for_data.
4631 (omp_regions): New static variable.
4632 (root_omp_region): New static variable.
4633 (find_omp_clause): Make static.
4634 (is_in_combined_parallel_ctx): Remove.
4635 (is_combined_parallel): New.
4636 (extract_omp_for_data): Move earlier in the file.
4637 (workshare_safe_to_combine_p): New.
4638 (get_ws_args_for): New.
4639 (determine_parallel_type): Move earlier in the file.
4640 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4642 (omp_copy_decl): Likewise.
4643 (create_omp_child_function): Likewise.
4644 (lookup_omp_region): New.
4645 (dump_omp_region): New.
4646 (debug_omp_region): New.
4647 (debug_all_omp_regions): New.
4648 (new_omp_region): New.
4649 (scan_omp_parallel): If parallel_nesting_level > 1, the
4650 directive is nested within another parallel directive.
4651 Set OMP_PARALLEL_FN.
4652 (scan_omp_for): Do not try to handle combined parallel+for
4654 Remove FIXME comment.
4655 (scan_omp_nested): Remove.
4656 (scan_omp_1): Do not call scan_omp_nested when
4657 parallel_nesting_level is > 1.
4658 Do not change the DECL_CONTEXT of local variables found.
4659 (lookup_decl_in_outer_ctx): New.
4660 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4661 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4662 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4663 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4664 If CTX is nested, lookup VAR in the outer context when
4665 building copy assignment.
4666 (lower_send_clauses): Rename from expand_send_clauses.
4667 If CTX is nested, lookup VAR in the outer context when
4668 building copy assignments.
4669 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4670 If CTX is nested, lookup VAR in the outer context when
4671 building copy assignments.
4672 (expand_parallel_call): Rename from build_parallel_call.
4673 Handle combined parallel+workshare cases.
4674 Re-implement to emit code into the CFG.
4676 (expand_omp_parallel): Re-implement to emit code into the CFG.
4677 Call move_sese_region_to_fn to outline the sub-graph
4678 containing the parallel region.
4679 (expand_omp_for_1): Remove.
4680 (expand_omp_for_generic): Re-implement to emit code into the
4682 (expand_omp_for_static_nochunk): Likewise.
4683 (expand_omp_for_static_chunk): Likewise.
4684 (expand_omp_for): Likewise.
4685 (expand_omp_sections): Likewise.
4686 (remove_exit_barriers): New.
4687 (expand_omp_synch): New.
4689 (build_omp_regions_1): New.
4690 (build_omp_regions): New.
4691 (execute_expand_omp): New.
4692 (gate_expand_omp): New.
4693 (pass_expand_omp): Define.
4694 (lower_omp_sections): Rename from expand_omp_sections.
4695 Set OMP_SECTIONS_SECTIONS.
4696 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4697 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4698 (lower_omp_single): Rename from expand_omp_simple.
4699 (lower_omp_master): Rename from expand_omp_master.
4700 (lower_omp_ordered): Rename from expand_omp_ordered.
4701 (lower_omp_critical): Rename from expand_omp_critical.
4702 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4703 (lower_omp_for): Re-implement.
4704 (lower_omp_parallel): Re-implement.
4705 (lower_regimplify): Rename from expand_regimplify.
4706 (lower_omp_1): Rename from expand_omp_1.
4707 If there are syntax errors in the program, replace every
4708 OpenMP directive with NOP.
4709 Call lower_omp_* instead of expand_omp_*.
4710 (lower_omp): Rename from expand_omp.
4712 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4713 * tree-gimple.h (enum omp_parallel_type): Remove.
4714 (gimple_boolify): Declare extern.
4715 (find_omp_clause, determine_parallel_type): Remove.
4717 * gimple-low.c (lower_omp_directive): New.
4718 (lower_stmt): Call it.
4719 (record_vars_into): Move from ...
4720 (record_vars): ... here.
4721 Call record_vars_into with current_function_decl.
4723 * gimplify.c (struct gimplify_ctx): Remove fields
4724 combined_pre_p and combined_ctxp. Update users.
4725 (get_formal_tmp_var): Add documentation.
4726 (gimple_boolify): Make extern.
4727 (gimplify_expr_in_ctx): Remove. Update callers.
4728 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4729 will always be a BIND_EXPR.
4730 (gimplify_expr): Handle OMP_RETURN_EXPR.
4731 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4732 (OMP_PARALLEL): Add 3 operands.
4733 (OMP_SECTIONS): Add 1 operand.
4734 (OMP_RETURN_EXPR): Define.
4736 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4737 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4738 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4739 creating a circular free list.
4740 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4742 * tree-flow.h (move_sese_region_to_fn): Declare.
4743 (record_vars_into): Declare.
4744 * tree-cfg.c (make_omp_sections_edges): New.
4745 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4746 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4747 OMP_SECTIONS and OMP_SECTION.
4748 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4749 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4750 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4751 (gather_blocks_in_sese_region): New.
4752 (struct move_stmt_d): Declare.
4754 (move_block_to_fn): New.
4755 (move_sese_region_to_fn): New.
4757 * passes.c (init_optimization_passes): Schedule
4758 pass_expand_omp after pass_init_datastructures.
4760 * tree-ssa-operands.c (get_expr_operands): Handle
4761 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4762 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4764 2006-01-19 Jeff Law <law@redhat.com>
4766 * tree-vrp.c (extract_range_from_assert): Refine the result range
4767 if the variable referenced by the ASSERT_EXPR has a range and
4768 either the tentative result range or the previous range is a
4771 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4773 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4775 2006-01-19 Jan Hubicka <jh@suse.cz>
4777 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4779 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4781 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4782 (expand_compound_operation, expand_field_assignment): Fail if the
4783 bit lengths of an extract operation are out of range.
4784 (make_extraction): Compute wanted_inner_mode based on the position
4785 and length of the extraction. Make it extraction_mode for non-constant
4786 positions, and do not modify offset in that case. When generating a
4787 new MEM, use a mode that can hold the extraction while keeping correct
4788 alignment. Remove code that supported MEMs wrapped by USEs.
4789 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4791 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4793 * config/s390/s390.md ("Y", "y"): New mode attribute.
4794 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4795 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4796 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4797 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4798 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4799 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4800 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4801 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4802 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4803 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4804 "addsi3", "subsi3"): Insn patterns removed.
4805 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4806 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4807 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4808 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4809 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4810 "*sub<mode>3_cconly2"): New insn patterns.
4811 ("addsi3", "subsi3"): New expanders.
4813 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4815 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4816 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4817 existing STMT_VINFO_VECTYPE if available.
4818 (vect_mark_relevant): Add special handling for stmts that are
4819 marked as STMT_VINFO_IN_PATTERN_P.
4820 (vect_analyze_loop): Call vect_pattern_recog.
4821 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4822 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4824 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4825 (vect_recog_func_ptr): New function-pointer type.
4826 * tree-vect-patterns.c: New file.
4827 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4828 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4829 (vect_pattern_recog_1): New functions.
4830 (vect_pattern_recog_funcs): New array of function pointers.
4832 * tree-vectorizer.h (ternary_op): New enum value.
4833 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4834 declaration. Revised documentation. Removed redundant dump prints.
4835 Removed redundant argument. Added support for reduction patterns.
4836 (vectorizable_reduction): Added support for reduction patterns.
4837 (vect_transform_stmt): Added support for patterns.
4839 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4840 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4841 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4842 (expand_widen_pattern_expr): New function.
4843 (init_optabs): Initialize new optabs udot_prod_optab,
4845 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4846 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4847 (expand_widen_pattern_expr): New function declaration.
4848 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4850 * tree-inline.c (estimate_num_insns_1): Added cases for new
4851 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4852 * tree-pretty-print.c (dump_generic_node): Likewise.
4853 (op_prio): Likewise.
4854 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4855 * tree-ssa-operands.c (get_expr_operands): Added case for
4857 * tree-vect-patterns.c (widened_name_p): New function.
4858 (vect_recog_dot_prod_pattern): Added function implementation.
4859 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4860 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4861 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4862 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4864 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4865 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4866 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4867 (init_optabs): Initialize new optabs widen_ssum_optab,
4869 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4870 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4871 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4872 use instead of type of def.
4873 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4874 function implementation.
4875 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4876 widen_ssumv8hi): New.
4878 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4881 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4884 * c-decl.c (add_flexible_array_elts_to_size): New function.
4885 (finish_decl): Use it.
4887 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4889 * diagnostic.h: Include options.h.
4890 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4891 dependancies for diagnostic.h.
4892 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4894 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4896 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4897 (ssa_ro_call_cache_valid): Ditto.
4898 * tree-ssa-alias.c (sort_tags_by_id): New function.
4899 (init_transitive_clobber_worklist): Ditto.
4900 (add_to_worklist): Ditto.
4901 (mark_aliases_call_clobbered): Ditto.
4902 (compute_tag_properties): Ditto.
4903 (set_initial_properties): Ditto.
4904 (compute_call_clobbered): Ditto.
4905 (compute_may_aliases): Call compute_call_clobbered and grouping.
4906 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4907 (compute_flow_insensitive_aliasing): Grouping now happens in our
4909 (setup_pointers_and_addressables): Remove clobbering related code.
4910 (add_may_alias): Ditto.
4911 (replace_may_alias): Ditto.
4912 (get_nmt_for): Ditto.
4913 (create_global_var):
4914 (is_escape_site): Return an escape_type enumeration.
4915 * tree-flow-inline.h (is_call_clobbered): Global var does not
4916 imply call clobbered.
4917 (mark_call_clobbered): Take a reason for marking this. Remove
4918 marking of globalness, and cache invalidation.
4919 (clear_call_clobbered): Remove cache invalidation code.
4920 * tree-dfa.c (dump_variable): If details is on, dump the reason
4922 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4924 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4925 (struct var_ann_d): Ditto.
4926 (enum escape_type): New.
4927 (mark_call_clobbered): Adjust prototype.
4928 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4929 are never call clobbered.
4930 Record reasons for escaping.
4931 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4932 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4933 (ssa_ro_call_cache_valid): Ditto.
4934 (clobbered_v_may_defs): Ditto.
4935 (clobbered_vuses): Ditto.
4936 (ro_call_vuses): Ditto.
4937 (clobber_stats): New.
4938 (init_ssa_operands): Zero out clobber stats.
4939 (fini_ssa_operands): Print out clobber stats.
4940 (get_call_expr_operands): Pass callee fndecl to
4942 (add_call_clobber_ops): Remove use of cache.
4943 Add use of PURE_CONST information.
4944 (add_call_read_ops): Remove use of cache.
4945 Add use of static not_read information.
4947 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4949 Introduce TLS descriptors for i386 and x86_64.
4950 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4951 (TARGET_ANY_GNU_TLS): New macro.
4952 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4953 (struct machine_function): Add tls_descriptor_call_expanded_p.
4954 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4955 (ix86_current_function_calls_tls_descriptor): Likewise.
4956 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4957 (override_options): Introduce gnu2 tls dialect.
4958 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4960 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4962 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4963 (ix86_init_machine_status): Initialize new field.
4964 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4965 (ix86_tls_module_base): New.
4966 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4967 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4968 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4969 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4970 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4971 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4972 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4973 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4974 * config/i386/predicates.md (tls_modbase_operand): New.
4975 (tp_or_register_operand): New.
4977 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4979 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4980 (look_for_address_of): Ditto.
4981 (ipa_init): Walk the function decls.
4982 (static_execute): Don't set readonly on FUNCTION_DECL's.
4984 2006-01-18 Roger Sayle <roger@eyesopen.com>
4986 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4987 for shifts where the source and destination registers are different.
4989 2006-01-18 Paul Brook <paul@codesourcery.com>
4991 Merge from csl-arm-branch.
4992 2005-03-14 Julian Brown <julian@codesourcery.com>
4993 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4994 (aeabi_llsl): Likewise.
4995 (ashrdi3): Likewise.
4996 (aeabi_lasr): Likewise.
4997 (lshrdi3): Likewise.
4998 (aeabi_llsr): Likewise.
4999 2005-03-10 Julian Brown <julian@codesourcery.com>
5000 * config.gcc: Disable shared libgcc for SymbianOS.
5001 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5003 2006-01-18 DJ Delorie <dj@redhat.com>
5005 * c-pragma.c (handle_pragma_diagnostic): New.
5006 (init_pragma): Register it.
5007 * doc/extend.texi: Document it.
5009 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5010 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5011 (diagnostic_context): Add classify_diagnostic[].
5012 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5013 as errors if they're overridden to DK_WARNING.
5014 (diagnostic_initialize): Initialize classify_diagnostic[].
5015 (diagnostic_set_kind_override): New.
5016 (diagnostic_report_diagnostic): Check for kind changes.
5017 * opts.c (common_handle_option): Take lang_mask. Update callers.
5019 * common.opt (Werror=): New.
5020 * doc/invoke.texi: Document -Werror=*
5022 2006-01-18 Jeff Law <law@redhat.com>
5024 * tree-vrp.c (test_for_singularity): Correct test for new
5025 min limit. Use operand_equal_p rather than pointer equality
5026 for testing if new min/max values are equal.
5028 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5029 using range information until after propagation and folding.
5031 2006-01-18 Richard Henderson <rth@redhat.com>
5032 Aldy Hernandez <aldyh@redhat.com>
5033 Jakub Jelinek <jakub@redhat.com>
5034 Diego Novillo <dnovillo@redhat.com>
5036 * omp-low.c: New file.
5037 * c-omp.c: New file.
5039 2006-01-18 Richard Henderson <rth@redhat.com>
5040 Jakub Jelinek <jakub@redhat.com>
5041 Diego Novillo <dnovillo@redhat.com>
5043 * doc/invoke.texi: Document -fopenmp.
5044 * tree-dump.h (debug_function): Declare.
5045 * hooks.c (hook_bool_tree_bool_false): New function.
5046 (hook_tree_tree_null): Remove.
5047 (hook_tree_tree_tree_null): New.
5048 * hooks.h: Update to match.
5049 * tree-pretty-print.c (debug_tree_chain): New.
5050 (print_generic_expr): Handle TDF_CHAIN.
5051 (dump_generic_node): Handle BLOCK.
5052 Do not abort with incomplete SWITCH_EXPRs.
5053 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5054 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5055 print space after directive name.
5056 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5057 Handle OMP_MASTER and OMP_ORDERED.
5058 Handle printing of OMP_BODY just in one place, goto
5059 dump_omp_body in the rest of OMP_* nodes that have
5061 Don't handle clause nodes here. Update omp statements to
5062 use dump_omp_clauses.
5063 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5064 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5065 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5066 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5067 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5068 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5069 Adjust output for GOMP_PARALLEL.
5070 (dump_omp_clauses): New.
5071 (print_declaration): Dump DECL_VALUE_EXPR.
5072 (op_symbol_1): Split out of op_symbol.
5073 (dumping_stmts): Remove. Update all users.
5074 * cgraph.c (cgraph_analyze_queue): New.
5075 (cgraph_add_new_function): New.
5076 * cgraph.h (cgraph_analyze_queue): Declare.
5077 (cgraph_add_new_function): Declare.
5078 (cgraph_lower_function): Remove.
5079 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5080 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5081 and TYPE_P nodes in its default clause.
5082 (empty_body_p): New.
5083 (tree_range_check_failed): New.
5085 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5086 OMP_CLAUSE_REDUCTION_MERGE,
5087 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5088 OMP_CLAUSE_PRIVATE_DEBUG,
5089 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5090 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5091 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5092 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5093 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5094 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5095 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5096 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5097 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5098 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5099 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5100 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5101 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5102 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5103 (TREE_RANGE_CHECK): New.
5104 (empty_body_p): Declare.
5105 (enum omp_clause_default_kind): New.
5106 (build_string_literal): Declare.
5107 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5108 (build5_stat, build5): Declare.
5109 * tree-pass.h (TDF_CHAIN): Define.
5110 * tree-pass.h (PROP_gimple_lomp): Define.
5111 (pass_lower_omp): Declare.
5112 * diagnostic.h (debug_tree_chain): Declare.
5113 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5115 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5116 * builtins.c (build_string_literal): Make extern.
5117 * gcc.c (include_spec_function): New.
5118 (static_spec_functions): Add it.
5119 (main): Move load of libgomp.spec ...
5120 (LINK_COMMAND_SPEC): ... here.
5121 (link_gomp_spec): New.
5122 (static_specs): Include it.
5123 (LINK_COMMAND_SPEC): Add link_gomp.
5124 (GOMP_SELF_SPECS): New.
5125 (driver_self_specs): Include it.
5126 (switch_matches): Don't mark inline.
5127 (main): Load libgomp.spec.
5128 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5129 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5130 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5131 * tree-gimple.h (enum omp_parallel): Declare.
5132 (determine_parallel_type): Declare.
5133 (omp_firstprivatize_variable): Declare.
5134 (omp_reduction_init): Declare.
5135 (diagnose_omp_structured_block_errors): Declare.
5136 (struct walk_stmt_info): Add want_return_expr.
5137 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5138 (find_omp_clause): Declare.
5139 (insert_field_into_struct): Declare.
5140 (struct walk_stmt_info): Move from tree-nested.c
5141 (walk_stmts): Declare.
5142 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5144 * cgraphunit.c (cgraph_lower_function): Make static.
5145 (cgraph_finalize_pending_functions): New.
5146 (cgraph_finalize_function): Call it.
5147 (cgraph_finalize_compilation_unit): Likewise.
5148 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5149 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5150 (BT_FN_UINT_UINT): New.
5151 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5152 DEF_FUNCTION_TYPE_VAR_4): Document.
5153 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5154 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5155 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5156 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5157 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5158 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5159 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5160 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5161 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5162 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5163 into separate files.
5164 (DEF_GOMP_BUILTIN): New.
5165 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5166 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5167 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5168 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5169 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5170 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5171 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5172 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5173 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5174 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5175 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5176 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5177 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5178 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5179 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5180 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5181 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5182 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5183 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5184 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5185 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5186 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5187 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5188 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5189 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5190 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5191 * sync-builtins.def: New file, moved from builtins.def.
5192 * omp-builtins.def: New file, moved from builtins.def.
5193 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5194 * gimple-low.c (lower_function_body): Clear data.
5195 (lower_stmt): Do not handle COMPOUND_EXPR.
5196 Remove call to print_node_brief.
5197 * c-tree.h (c_finish_omp_clauses): New prototype.
5198 (C_DECL_THREADPRIVATE_P): Define.
5199 (lookup_name_no_remap, c_omp_remap_private): Remove
5200 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5201 (check_for_loop_decls): Update decl.
5202 (lookup_name_no_remap, c_omp_remap_private): Declare.
5203 (build_indirect_ref, build_modify_expr, pushdecl,
5204 pushdecl_top_level): Move to c-common.h.
5205 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5206 before the switch, but just in the 2 places that need it.
5207 * c-decl.c (diagnose_mismatched_decls): Do not check for
5208 mismatched thread-local attributes when OLDDECL is marked
5209 threadprivate and NEWDECL has no thread-local attributes.
5210 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5211 (c_gimple_diagnostics_recursively): Rename from
5212 c_warn_unused_result_recursively. Invoke
5213 diagnose_omp_structured_block_errors.
5214 (check_for_loop_decls): Return a singular decl found.
5215 * langhooks.c (lhd_omp_predetermined_sharing): Return
5216 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5217 (lhd_omp_firstprivatize_type_sizes): New.
5218 (lhd_omp_assignment): New.
5219 (lhd_omp_predetermined_sharing): New.
5220 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5221 (struct lang_hooks_for_types): Add
5222 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5223 omp_predetermined_sharing, omp_disregard_value_expr,
5224 omp_private_debug_clause, omp_clause_default_ctor,
5225 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5226 (c_finish_omp_clauses): New.
5227 (c_finish_bc_stmt): Diagnose break within omp for.
5228 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5229 (build_unary_op): Return error_mark after reporting
5231 (build_modify_expr): Likewise.
5232 * gimplify.c: Include optabs.h and pointer-set.h.
5233 (enum gimplify_omp_var_data): Declare.
5234 (struct gimplify_omp_ctx): Declare.
5235 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5237 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5238 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5239 (splay_tree_compare_decl_uid): New.
5240 (new_omp_context): New.
5241 (delete_omp_context): New.
5242 (gimple_add_tmp_var): Call omp_add_variable.
5243 (gimplify_bind_expr): Likewise.
5244 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5245 true, disregard DECL_VALUE_EXPR on the decl if any.
5246 (gimplify_expr_in_ctx): New.
5247 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5248 omp_add_variable, omp_notice_variable, omp_is_private
5249 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5250 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5251 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5252 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5253 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5254 gimplify_omp_atomic): New.
5255 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5256 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5257 OMP_CRITICAL and OMP_ATOMIC.
5258 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5259 * c-pragma.h (enum pragma_kind): Add
5260 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5261 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5262 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5263 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5264 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5265 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5266 PRAGMA_OMP_THREADPRIVATE.
5267 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5268 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5269 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5270 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5271 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5272 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5273 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5274 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5275 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5276 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5277 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5278 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5279 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5281 (struct nesting_info): Add field_map,
5282 suppress_expansion, debug_var_chain.
5283 (create_nesting_tree): Initialize them.
5284 (lookup_field_for_decl): Use field_map.
5285 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5286 (convert_local_omp_clauses): New.
5287 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5288 (walk_body): Split out of walk_function.
5289 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5290 (convert_nonlocal_reference): Handle omp statements.
5291 (convert_local_reference): Likewise.
5292 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5293 (unnest_nesting_tree): New.
5294 (lower_nested_functions): Call it.
5295 (insert_field_into_struct): Make extern.
5296 (struct walk_stmt_info): Move to tree-gimple.h.
5297 (walk_stmts): Make extern.
5298 * omp-builtins.def: New file.
5299 * tree-iterator.c (expr_only): Clarify comment.
5300 * c-common.h (pushdecl_top_level, pushdecl,
5301 build_modify_expr, build_indirect_ref,
5302 c_finish_omp_master, c_finish_omp_critical,
5303 c_finish_omp_ordered, c_finish_omp_barrier,
5304 c_finish_omp_atomic, c_finish_omp_flush,
5305 c_finish_omp_for, c_split_parallel_clauses,
5306 omp_clause_default_kind, c_omp_sharing_predetermined,
5307 c_omp_remap_decl): Declare.
5308 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5309 (OBJS-common): Add omp-low.o.
5310 (c-omp.o, omp-low.o): Add.
5311 (gimplify.o): Add dependency on $(OPTABS_H).
5312 (GTFILES): Add omp-low.c.
5313 (gt-stringpool.h): Add.
5314 * tree-cfg.c (set_bb_for_stmt): Do not update the
5315 block-to-labels map if we are currently expanding to RTL.
5316 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5318 Handle IDENTIFIER_NODE.
5319 (tree_verify_flow_info): Do not ICE when emitting error
5320 messages about invalid labels.
5321 (dump_function_to_file): Reset CFUN before emitting the body
5323 (debug_function): New.
5324 * passes.c (init_optimization_passes): Schedule
5326 * langhooks-def.h (lhd_omp_predetermined_sharing,
5327 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5329 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5330 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5331 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5332 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5333 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5334 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5335 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5336 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5337 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5338 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5339 (LANG_HOOK_DECLS): Use them.
5341 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5342 Richard Henderson <rth@redhat.com>
5343 Jakub Jelinek <jakub@redhat.com>
5344 Diego Novillo <dnovillo@redhat.com>
5346 * c-parser.c (pragma_omp_clause): Define.
5347 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5348 (c_parser_compound_statement): Likewise.
5349 (c_parser_statement): Likewise.
5350 (c_parser_pragma): Handle omp pragmas.
5351 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5352 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5353 (c_parser_omp_clause_name, check_no_duplicate_clause,
5354 c_parser_omp_variable_list,
5355 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5356 c_parser_omp_clause_copyprivate,
5357 c_parser_omp_clause_default,
5358 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5359 c_parser_omp_clause_lastprivate,
5360 c_parser_omp_clause_nowait,
5361 c_parser_omp_clause_num_threads,
5362 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5363 c_parser_omp_clause_reduction,
5364 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5365 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5366 c_parser_omp_atomic, c_parser_omp_barrier,
5367 c_parser_omp_critical, c_parser_omp_flush,
5368 c_parser_omp_for_loop, c_parser_omp_for,
5369 c_parser_omp_master, c_parser_omp_ordered,
5370 c_parser_omp_sections_scope, c_parser_omp_sections,
5371 c_parser_omp_parallel, c_parser_omp_single,
5372 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5373 * c-pragma.c (init_pragma): Do omp pragma registration here.
5374 * c.opt (fopenmp): New flag.
5376 2006-01-18 Eric Christopher <echristo@apple.com>
5378 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5379 * config/darwin.h (GOMP_SELF_SPECS): Define.
5381 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5383 * rtl.h: Remove the prototype for reg_alloc.
5385 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5388 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5389 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5390 sjlj and dwarf2 exception handling.
5391 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5392 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5393 * pa/pa.c (function_value): Treat complex and vector types as
5395 (function_arg): Likewise. Only pass scalar floats in the floating
5396 point argument registers.
5397 * pa/t-slibgcc-dwarf-ver: New file.
5398 * pa/t-slibgcc-sjlj-ver: New file.
5399 * pa/t-slibgcc-elf-ver: Delete file.
5401 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5403 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5404 unlikely_test_section_p test.
5406 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5408 * mode-switching.c (optimize_mode_switching): Make it static.
5409 * basic-block.h: Remove the prototype for
5410 optimize_mode_switching.
5412 * modulo-sched.c (sms_schedule): Make it static.
5413 * rtl.h: Remove the prototype for sms_schedule.
5415 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5416 * rtl.h: Remove the prototype for gcse_after_reload_main.
5418 * reg-stack.c (reg_to_stack): Make it static.
5419 * rtl.h: Remove the prototype for reg_to_stack.
5421 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5423 * rtl.h: Remove the prototypes for regrename_optimize and
5424 copyprop_hardreg_forward.
5426 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5428 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5429 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5430 Test against the appropriate null constant for the mode.
5431 If 'fixup_overlap' is true, swap the operands if they overlap.
5432 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5433 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5434 alpha_split_tmode_pair and adjust for above change.
5435 * config/alpha/alpha.md (movtf_internal): Adjust call to
5436 alpha_split_tfmode_pair and rely on it to swap the operands.
5437 (movti_internal): New insn and post-reload splitter.
5438 (movti): New expander.
5440 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5442 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5445 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5447 * rtlanal.c (global_reg_mentioned_p_1,
5448 global_reg_mentioned_p): Remove.
5449 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5451 * flow.c (initialize_uninitialized_subregs): Make it static.
5452 * rtl.h: Remove the prototype for
5453 initialize_uninitialized_subregs.
5455 * function.c (instantiate_virtual_regs): Make it static.
5456 * function.h: Remove the prototype for
5457 instantiate_virtual_regs.
5459 * regmove.c (regmove_optimize, combine_stack_adjustments):
5461 * rtl.h: Remove the prototypes for regmove_optimize and
5462 combine_stack_adjustments.
5464 2006-01-17 Roger Sayle <roger@eyesopen.com>
5466 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5467 (size_cost): Encode costs in bytes so that a reg-reg addition is
5468 equivalent to COSTS_N_INSNS(1).
5469 (override_options): Use the size_cost.branch_cost as the default
5470 ix86_branch_cost when optimizing for size.
5472 2006-01-18 Ben Elliston <bje@au.ibm.com>
5474 * Makefile.in (D32PBIT_FUNCS): New.
5475 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5476 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5477 D64PBIT_FUNCS and D128PBIT_FUNCS.
5478 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5479 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5481 (decnumber_dep): Define.
5482 * doc/libgcc.texi (Decimal float library routines): New node.
5483 * config/dfp-bit.h, config/dfp-bit.c: New files.
5485 2006-01-18 Ben Elliston <bje@au.ibm.com>
5487 * expr.c (emit_move_change_mode): Always adjust addresses, not
5488 just during reload. Copy replacements only during reload.
5489 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5490 emit_move_via_integer.
5492 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5494 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5495 instead of $(srcdir) and ${srcdir}.
5497 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5501 * arm.h (struct machine_function): Add pic_reg.
5502 * arm.c (arm_pic_register): Make unsigned.
5503 (arm_override_options): Only set arm_pic_register if
5504 TARGET_SINGLE_PIC_BASE.
5505 (use_return_insn): Only test for a pic register if it is fixed.
5506 (arm_compute_save_reg0_reg12_mask): Likewise.
5507 (thumb_compute_save_reg_mask): Likewise.
5508 (legitimate_pic_operand): Factor out some known invariants.
5509 (legitimize_pic_address): If we don't have a fixed pic register,
5510 then set up a pseudo in the function entry sequence. Handle the
5511 pic base being in a pseudo.
5512 (arm_load_pic_register): Handle the pic register being in a pseudo.
5513 (arm_expand_prologue): Only set up the pic register if it is fixed.
5514 (thumb_expand_prologue): Likewise.
5515 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5516 (pic_load_addr_based_insn): Likewise.
5517 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5520 2006-01-18 Ben Elliston <bje@au.ibm.com>
5522 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5523 decimal float modes for all floating point registers.
5525 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5526 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5528 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5531 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5532 even when the pointer is not NULL.
5534 2006-01-16 Ian Lance Taylor <ian@airs.com>
5536 * common.opt (ftoplevel-reorder): New option.
5537 * cgraph.c (cgraph_asm_nodes): New global variable.
5538 (cgraph_asm_last_node): New static variable.
5539 (cgraph_order): New global variable.
5540 (cgraph_create_node): Set new order field.
5541 (cgraph_varpool_node): Likewise.
5542 (decide_is_variable_needed): Return true if not
5543 flag_toplevel_reorder.
5544 (cgraph_add_asm_node): New function.
5545 * cgraph.h (struct cgraph_node): Add order field.
5546 (struct cgraph_varpool_node): Add order field.
5547 (struct cgraph_asm_node): Define.
5548 (cgraph_asm_nodes, cgraph_order): Declare.
5549 (cgraph_add_asm_node): Declare.
5550 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5552 (cgraph_varpool_assemble_pending_decls): Call it.
5553 (cgraph_output_pending_asms): New static function.
5554 (cgraph_finalize_compilation_unit): Call it.
5555 (struct cgraph_order_sort): Define.
5556 (cgraph_output_in_order): New static function.
5557 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5558 !flag_toplevel_reorder case.
5559 * c-parser.c: Include "cgraph.h".
5560 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5562 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5563 than -fno-unit-at-a-time.
5564 * doc/invoke.texi (Option Summary): Mention
5565 -fno-toplevel-reorder.
5566 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5567 -funit-at-a-time documentation.
5569 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5570 Kazu Hirata <kazu@codesourcery.com>
5572 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5574 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5576 * Makefile.in (FUNCTION_H): New. Use it instead of
5577 function.h throughout the file.
5578 * function.h: Include tree.h.
5580 2006-01-17 Ben Elliston <bje@au.ibm.com>
5582 * recog.c: Separate some functions with whitespace.
5584 2006-01-16 Richard Henderson <rth@redhat.com>
5586 Merge from gomp branch:
5587 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5588 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5589 and rename from struct inline_data. Rename callee* to dst*;
5590 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5591 transform_new_cfg, transform_return_to_modify, and
5592 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5594 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5595 (copy_decl_for_dup): Remove.
5596 * tree-inline.c (struct inline_data): Move to header.
5597 (insert_decl_map): Export.
5598 (remap_decl): Update for member name changes. Use copy_decl hook.
5599 Allow for replacement to be a non-decl. Remove dead code.
5600 (remap_type_1): Check for existing mapping.
5601 (remap_type): Export.
5602 (remap_decls): Update for member name changes.
5603 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5604 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5605 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5606 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5607 (tree_function_versioning, build_duplicate_type): Likewise.
5608 (copy_body_r): Likewise. Export.
5609 (copy_decl_for_dup): Split into ...
5610 (copy_decl_for_dup_finish, copy_decl_to_var,
5611 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5612 (replace_ref_tree, inlining_p): Remove.
5614 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5616 * ifcvt.c (if_convert): Make it static.
5617 * rtl.h: Remove the prototype for if_convert.
5619 * local-alloc.c (local_alloc): Make it static.
5620 * rtl.h: Remove the prototype for local_alloc.
5622 * loop.c (loop_optimize): Make it static.
5623 * cfgloop.h: Remove the prototype for loop_optimize.
5626 2006-01-16 DJ Delorie <dj@redhat.com>
5628 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5631 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5633 * pa.md: Disparage copies between general and floating-point registers
5634 in 32-bit move patterns.
5636 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5639 * Makefile.in (check-%): Depend on site.exp instead of
5640 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5643 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5645 * global.c (global_alloc): Make it static.
5646 * rtl.h: Remove the prototype for global_alloc.
5648 2006-01-16 Richard Guenther <rguenther@suse.de>
5650 * tree-ssa-alias.c (struct used_part): Add write_only field.
5651 (get_or_create_used_part_for): Initialize it to true.
5652 (create_overlap_variables_for): Don't create structure variables
5653 for structures that only are written to.
5654 (find_used_portions): Handle MODIFY_EXPR to track whether a
5655 structure is only written to.
5657 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5659 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5661 * basic-block.h: Remove the prototype for
5662 partition_hot_cold_basic_blocks.
5664 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5666 * cppspec.c (lang_specific_spec_functions): Remove.
5667 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5668 * gcc.h (lang_specific_spec_functions): Remove.
5669 * gccspec.c (lang_specific_spec_functions): Remove.
5671 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5673 * combine.c (record_value_for_reg): Invalidate registers
5675 (record_dead_and_set_regs_1): Likewise, by passing them to
5676 record_value_for_reg.
5677 (record_dead_and_set_regs): Invalidate stores made by a
5678 call. We do not combine across a call, but we still
5679 relied on equivalences.
5681 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5683 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5684 vrp_int_const_binop returning non-constant nodes.
5686 2006-01-16 Paul Brook <paul@codesourcery.com>
5688 * config/m68k/m68k.c (output_move_const_into_data_reg):
5689 Output correct mnemonic for mvz and mvs.
5691 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5693 * rtl-factoring.c: Add sequence abstraction algorithm.
5694 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5695 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5697 (block_has_preserve_label): New function.
5698 * common.opt: Register new pass.
5699 * Makefile.in: Ditto.
5701 * timevar.def: Ditto.
5702 * tree-pass.h: Ditto.
5703 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5704 * rtl.h (make_jump_insn_raw): Add forward decl.
5705 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5707 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5708 Roger Sayle <roger@eyesopen.com>
5710 * fold-const.c (fold_minmax): New static function.
5711 (fold_binary) <MIN_EXPR>: Call it.
5712 <MAX_EXPR>: Likewise.
5713 * stor-layout.c (place_field): Use DECL_SIZE consistently
5714 in the computation of the new record size.
5716 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5718 * cse.c (cse_condition_code_reg): Make it static.
5719 * rtl.h: Remove the prototype for cse_condition_code_reg.
5721 * combine.c (combine_instructions): Make it static.
5722 * rtl.h: Remove the prototype for combine_instructions.
5724 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5727 * tree.c (get_file_function_name_long): Concatenate the first global
5728 object name with a string derived from the input filename of the object
5731 2006-01-16 Ben Elliston <bje@au.ibm.com>
5733 * config/i386/winnt-stubs.c: Update FSF address.
5734 * config/xtensa/ieee754-df.S: Ditto.
5735 * config/xtensa/ieee754-sf.S: Ditto.
5737 2006-01-14 Ian Lance Taylor <ian@airs.com>
5739 * ifcvt.c (noce_init_if_info): New static function, broken out of
5740 noce_process_if_block.
5741 (noce_process_if_block): Call noce_init_if_info.
5742 (check_cond_move_block): New static function.
5743 (cond_move_process_if_block): New static function.
5744 (process_if_block): Call cond_move_process_if_block.
5746 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5748 * cselib.c (hash_table): Rename to cselib_hash_table.
5749 (cselib_clear_table, discard_useless_values,
5750 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5751 cselib_init, cselib_finish): Adjust uses of hash_table.
5753 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5755 PR tree-optimization/25485
5756 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5757 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5758 is known to be false and true, respectively.
5760 2006-01-14 Richard Guenther <rguenther@suse.de>
5762 PR tree-optimization/22548
5763 PR tree-optimization/22555
5764 PR tree-optimization/22501
5765 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5766 * params.def (salias-max-array-elements): New parameter.
5767 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5768 * doc/invoke.texi (salias-max-array-elements): Document.
5769 * tree-flow-inline.h (var_can_have_subvars): We also handle
5771 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5773 * tree-ssa-structalias.c (params.h): Include.
5774 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5775 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5776 (get_constraint_for): For ADDR_EXPR operating on something
5777 containing an ARRAY_REF, add all subvars to the solution.
5778 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5779 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5780 for creating MUST_DEFs.
5781 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5783 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5785 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5787 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5788 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5789 number_of_iterations_le): New functions.
5790 (number_of_iterations_special): Removed.
5791 (number_of_iterations_exit): Do not use number_of_iterations_special.
5792 * tree.c (unsigned_type_for): Always return integer type.
5794 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5795 Richard Guenther <rguenther@suse.de>
5797 PR rtl-optimization/24257
5798 * gcse.c (find_moveable_store): Only consider a store movable
5799 when the SET_SRC of the insn can be assigned to a register.
5801 2006-01-14 Ian Lance Taylor <ian@airs.com>
5803 * tree.c (tree_not_class_check_failed): New function.
5804 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5805 (tree_not_class_check_failed): Declare.
5807 2006-01-13 Ian Lance Taylor <ian@airs.com>
5809 * reload1.c (do_output_reload): Add assertion rejecting a
5812 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5814 * combine.c (struct reg_stat): Add new fields truncation_label and
5816 (record_value_for_reg): Reset truncated_to_mode.
5817 (record_truncated_value): New function.
5818 (check_promoted_subreg): Call it. Rename to check_conversions.
5819 (combine_instructions): Rename check_promoted_subreg to
5821 (reg_truncated_to_mode): New function.
5822 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5823 (gen_lowpart_or_truncate): New function.
5824 (force_to_mode): Use it instead of gen_lowpart.
5826 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5828 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5829 VAR is a tag, not its type tag.
5831 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5833 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5834 alternatives to match style of other entries.
5835 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5837 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5839 PR tree-optimization/25771
5840 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5843 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5846 * tree-inline.c (declare_return_variable): If the return variable
5847 was marked as a non gimple complex, set the return slot variable
5848 to be a non gimple comple variable.
5850 2006-01-13 Richard Guenther <rguenther@suse.de>
5852 * builtins.c (expand_builtin_sincos): New function.
5853 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5855 (expand_builtin): Expand sincos using expand_builtin_sincos.
5857 2006-01-12 DJ Delorie <dj@redhat.com>
5859 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5860 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5861 so that constant shifts can be split.
5862 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5863 (m32c_valid_pointer_mode): Make static.
5864 (shift_gen_func_for): New.
5865 (m32c_prepare_shift): Use it. Split large const shifts into
5867 * config/m32c/predicates.md (shiftcount_operand): Allow more
5869 (longshiftcount_operand): New.
5870 * doc/md.texi (Machine Constraints): Document In6.
5872 2006-01-13 Ben Elliston <bje@au.ibm.com>
5874 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5875 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5878 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5880 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5881 to try to avoid clobbering pieces of structures when we know
5882 something about the whole structure.
5883 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5885 2006-01-13 Ben Elliston <bje@au.ibm.com>
5887 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5888 return in memory, as this is no limitation is no longer present.
5890 2006-01-12 DJ Delorie <dj@redhat.com>
5892 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5893 mova with fb, and for fb+0 -> An.
5895 * config/m32c/mov.md (peephole2): Fix enabling logic.
5897 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5898 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5899 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5900 FINI_ARRAY_SECTION_ASM_OP): Define.
5902 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5904 (m32c_legitimize_reload_address): New logic to reload FB to An.
5905 (m32c_output_reg_push): Add newline.
5906 (m32c_output_reg_pop): Likewise.
5908 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5910 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5912 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5914 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5916 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5918 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5921 2006-01-11 Ben Elliston <bje@au.ibm.com>
5923 * rtlanal.c (find_reg_note): Assert insn is not null.
5925 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5927 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5930 2006-01-11 Jeff Law <law@redhat.com>
5932 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5934 (mark_threaded_blocks, register_jump_thread): New functions.
5935 (thread_through_all_blocks): Remove unwanted argument. No
5936 longer rely on e->aux to communicate thread target info.
5937 Call mark_threaded_blocks. Release the threaded_blocks
5938 bitmap and threaded_edges vector when complete.
5939 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5940 (threaded_blocks): Remove.
5941 (tree_ssa_dominator_optimize): Remove initialization and
5942 finalization of threaded_blocks. Simplify call to
5943 thread_through_all_blocks.
5944 (thread_across_edge): Call register_jump_thread rather than
5945 storing thread information into e->aux.
5946 (free_all_edge_infos): Simplify now that e->aux is no longer
5947 used to communicate with thread_through_all_blocks.
5948 * tree-flow.h (thread_through_all_blocks): Update prototype.
5949 (register_jump_thread): Prototype.
5951 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5953 * df-core.c (df_compact_blocks, df_bb_replace): Use
5954 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5956 2006-01-11 Richard Guenther <rguenther@suse.de>
5958 PR tree-optimization/25734
5959 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5960 stop propagation after successful propagation to the LHS.
5962 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5964 * basic-block.h (control_flow_graph): Change the type of
5965 x_basic_block_info to VEC(basic_block,gc) *.
5966 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5968 (SET_BASIC_BLOCK): New.
5969 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5970 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5971 * cfgbuild.c (find_basic_blocks): Likewise.
5972 * cfglayout.c (fixup_reorder_chain): Likewise.
5973 * cfgrtl.c (create_basic_block_structure,
5974 rtl_create_basic_block): Likewise.
5975 * ifcvt.c (find_if_case_1): Likewise.
5976 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5979 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5981 * Makefile.in: Removed rotted odf.c entry.
5983 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5986 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5987 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5988 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5989 output pattern modifier, not %e.
5990 * config/cris/cris.c (cris_op_str): Update comment about pattern
5992 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5993 before falling through into...
5994 <case 'E'>: Redefined from old 'e' case.
5996 2006-01-11 Jan Hubicka <jh@suse.cz>
5999 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6001 2006-01-11 Jan Hubicka <jh@suse.cz>
6003 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6004 * i386.c (x86_decompose_lea): Kill.
6005 (ix86_rtx_costs): Kill.
6007 2006-01-11 Jan Hubicka <jh@suse.cz>
6009 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6010 * cgraph.h (cgraph_node): Add inline_decl.
6011 (cgraph_insert_node_to_hashtable): Declare.
6012 (save_inline_function_body): Declare.
6013 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6015 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6016 (cgraph_function_versioning): Update call of tree_function_versioning.
6017 (save_inline_function_body): New function.
6018 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6019 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6020 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6021 (cgraph_default_inline_p): Likewise.
6022 (cgraph_decide_inlining_incrementally): Likewise.
6023 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6024 (copy_bb): Kill saving; do updating of clones.
6025 (copy_cfg_body): Kill saving.
6026 (initialize_inlined-parameters): Likewise.
6027 (expand_call_inline): Likewise.
6029 (tree_function_versioning): New parameter "update_clones".
6030 (inlining_p): Kill saving.
6031 * tree-inline.h (tree_function_versioning): Update prototype.
6032 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6035 2006-01-11 Ian Lance Taylor <ian@airs.com>
6037 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6038 Allow undoing set of machine mode.
6039 (do_SUBST): Use enums instead of is_int.
6040 (do_SUBST_MODE): New function.
6041 (SUBST_MODE): New macro.
6042 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6043 reg and trying to replace reg_regno_rtx with a new register.
6044 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6045 (simplify_set): Use SUBST_MODE.
6046 (distribute_notes): Remove code that tried to update reg notes
6047 for regno_reg_rtx changes.
6049 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6051 PR tree-optimization/23109
6052 PR tree-optimization/23948
6053 PR tree-optimization/24123
6055 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6056 * tree-cfg.c (single_noncomplex_succ): New.
6057 * tree-flow.h (single_noncomplex_succ): Declare it.
6058 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6059 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6060 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6061 insert_bb, register_division_in, insert_reciprocals,
6062 replace_reciprocal, free_bb): New.
6063 (execute_cse_reciprocals_1): Rewritten.
6064 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6065 Do not commit any edge insertion. Always compute dominators and
6066 create the allocation pool.
6067 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6068 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6069 * targhooks.c (default_min_divistions_for_recip_mul): New.
6070 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6071 * passes.c (init_optimization_passes): Run recip after tree loop
6073 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6075 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6076 Kenneth Zadeck <zadeck@naturalbridge.com>
6078 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6079 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6080 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6081 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6082 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6083 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6084 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6085 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6086 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6087 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6088 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6089 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6090 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6091 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6092 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6093 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6094 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6095 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6096 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6097 DF_SCAN_POST_ALLOC): New macros.
6098 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6099 df_free_bb_function, df_local_compute_function, df_init_function,
6100 df_dataflow_function, df_confluence_function_0,
6101 df_confluence_function_n, df_transfer_function,
6102 df_finalizer_function, df_free_function, df_dump_problem_function,
6103 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6104 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6105 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6106 df_urec_bb_info, ) New types.
6107 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6109 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6110 df_analyze_simple_change_some_blocks,
6111 df_analyze_simple_change_one_block, df_compact_blocks,
6112 df_bb_replace, df_bb_regno_last_use_find,
6113 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6114 df_insn_regno_def_p, df_find_def, df_find_use,
6115 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6116 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6117 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6118 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6119 debug_df_chain, df_get_dependent_problem, df_chain_create,
6120 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6121 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6122 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6123 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6124 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6125 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6126 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6127 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6128 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6129 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6130 df_reorganize_refs, df_set_state, df_hard_reg_init,
6131 df_read_modify_subreg_p) New public functions.
6132 * df-core.c: The core dataflow solver and glue routines for rtl
6134 (df_init, df_add_problem, df_set_blocks, df_finish,
6135 df_hybrid_search_forward, df_hybrid_search_backward,
6136 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6137 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6138 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6139 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6140 df_reg_defined, df_find_use, df_reg_used, df_dump,
6141 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6142 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6143 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6144 debug_df_useno, reset_df_after_reload): New functions.
6145 * df-scan.c: The scanning fuctions, once in df.c, completely
6146 rewritten so that they now fully model the functionality of
6147 register usage at the backend.
6148 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6149 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6150 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6151 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6152 df_get_artificial_defs, df_get_artificial_uses,
6153 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6154 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6155 df_refs_delete, df_reorganize_refs, df_set_state,
6156 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6157 df_def_record_1, df_defs_record, df_uses_record,
6158 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6159 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6160 df_record_exit_block_uses, df_hard_reg_init): New functions.
6162 * df-problems.c: Seven concrete dataflow problems that use the
6163 scanning in df-scan.c and are solved by the engine in df-core.c.
6164 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6165 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6166 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6167 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6168 df_ru_free_bb_info, df_ru_alloc,
6169 df_ru_bb_local_compute_process_def,
6170 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6171 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6172 df_ru_transfer_function, df_ru_free, df_ru_dump,
6173 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6174 df_rd_free_bb_info, df_rd_alloc,
6175 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6176 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6177 df_rd_transfer_function, df_rd_free, df_rd_dump,
6178 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6179 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6180 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6181 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6182 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6183 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6184 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6185 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6186 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6187 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6188 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6189 df_urec_mark_reg_use_for_earlyclobber,
6190 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6191 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6192 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6193 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6194 df_chain_create_bb_process_use, df_chain_create_bb,
6195 df_chain_finalize, df_chain_free, df_chains_dump,
6196 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6197 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6198 df_reg_lifetime): New functions.
6199 * df.c: Deleted file.
6200 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6201 consistent with new df api.
6202 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6203 rest_of_handle_sms): Ditto.
6204 * web.c (unionfind_union, union_defs, entry_register, web_main):
6206 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6207 invariant_expr_equal_p, find_defs, check_dependencies,
6208 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6209 free_inv_motion_data, move_loop_invariants): Ditto.
6210 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6211 Update dependencies.
6212 (odf.c): Added defective entry that was deleted later in day.
6213 * sched-deps.c (sched_analyze_1): Ditto.
6215 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6217 * tree-ssa-operands.c (get_expr_operands): Record addressable
6218 variables directly. Do not call add_stmt_operands for CONST_DECLs
6220 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6221 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6223 2006-01-11 Ben Elliston <bje@au.ibm.com>
6225 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6226 function returns true in the positive case.
6228 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6231 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6232 for SI, DI, SF and DF modes. Add alternatives to copy between
6233 general and floating point registers to the 32-bit patterns.
6234 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6235 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6236 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6237 generating 64-bit code.
6238 * config/pa/pa.c (output_move_double): Handle copies between general
6239 and floating registers.
6241 2006-01-10 Stuart Hastings <stuart@apple.com>
6243 * config/i386/i386.md (set_got): Update.
6244 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6245 (builtin_setjmp_receiver): Mach-O support.
6246 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6247 (GOT_SYMBOL_NAME): Define.
6248 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6249 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6250 * config/i386/i386.c (override_options): Revise for Darwin.
6251 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6252 support. (darwin_x86_file_end): New. (output_set_got): Add label
6253 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6254 * config/i386/i386-protos.h (output_set_got): Likewise.
6255 * config/darwin.c (machopic_legitimize_pic_address): Update
6258 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6260 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6261 when MODE isn't BLKmode.
6263 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6265 PR rtl-optimization/25367
6266 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6268 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6271 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6272 for a negative bound.
6274 2006-01-10 Richard Guenther <rguenther@suse.de>
6276 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6277 Never override with anything constraint.
6279 2006-01-10 Jan Beulich <jbeulich@novell.com>
6281 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6282 256 bits when optimize_size.
6284 2006-01-10 Jan Beulich <jbeulich@novell.com>
6286 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6288 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6289 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6292 2006-01-10 Ben Elliston <bje@au.ibm.com>
6294 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6296 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6297 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6298 (USE_FP_FOR_ARG): Reject decimal float modes.
6299 (function_arg_advance): Likewise.
6300 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6301 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6302 point types in AltiVec vectors.
6303 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6304 (rs6000_libcall_value): Likewise.
6306 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6308 * config/xtensa/ieee754-df.S: New file.
6309 * config/xtensa/ieee754-sf.S: New file.
6310 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6311 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6312 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6314 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6316 * config/sh/predicates.md (binary_float_operator,
6317 binary_logical_operator, commutative_float_operator,
6318 equality_comparison_operator, greater_comparison_operator,
6319 less_comparison_operator, logical_operator,
6320 noncommutative_float_operator, shift_operator,
6321 symbol_ref_operand, unary_float_operator): Remove redundant
6324 2006-01-09 Jeff Law <law@redhat.com>
6326 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6327 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6328 now unused arguments. Callers updated.
6329 (eliminate_redundant_computations): Remove now unused arguments,
6331 (local_fold): Remove, no longer used.
6332 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6334 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6335 (simplify_cond): New function.
6336 (forward_propagate_into_cond): Call simplify_cond.
6338 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6340 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6341 (*vec_extractv2di_1_sse): New.
6343 2006-01-09 Ben Elliston <bje@au.ibm.com>
6345 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6347 2006-01-08 Richard Guenther <rguenther@suse.de>
6349 * tree-ssa-structalias.c (get_constraint_for): Remove
6351 (get_constraint_for_component_ref): Likewise.
6352 (do_deref): Likewise.
6353 (get_constraint_for): Likewise.
6354 (do_structure_copy): Likewise.
6355 (handle_ptr_arith): Likewise.
6356 (find_func_aliases): Likewise. Remove unused need_anyoffset
6359 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6360 Kaz Kojima <kkojima@gcc.gnu.org>
6362 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6363 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6364 (EXTRA_CONSTRAINT_C16): Remove.
6365 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6366 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6367 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6368 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6369 constants of SHmedia. Handle nested constant expressions of
6371 (andcosts): Fix the costs for SHmedia constants.
6372 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6373 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6374 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6375 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6376 (movv4hi_i, movv2si_i): Likewise.
6377 (movsi_const): Adjust the second operand of ior so to match with
6379 (movdi_const, movdi_const_32bit): Likewise.
6380 (movdi_const_16bit+1): Don't sign-extend LOW.
6381 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6383 (*double_shori): Fix the split condition. Use GEN_INT instead
6384 of get_int_mode calls. Mask lower 16-bit of the argument of
6386 (sym2GOTPLT): Remove.
6387 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6389 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6390 instead of EXTRA_CONSTRAINT_C16.
6392 2006-01-07 Ian Lance Taylor <ian@airs.com>
6393 David Edelsohn <edelsohn@gnu.org>
6395 PR rtl-optimization/25662
6396 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6397 for constant operands instead of simplify_gen_binary.
6398 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6399 after trying simplify_binary_operation
6401 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6403 * tree.c (iterative_hash_expr): Hash decls based on UID.
6405 2006-01-06 Eric Christopher <echristo@apple.com>
6407 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6408 (TARGET_UNWIND_EMIT): Fix spelling.
6409 * target.h (gcc_target): Add except_table_label.
6410 * except.c (output_function_exception_table): Use.
6411 * varasm.c (default_emit_except_table_label): New.
6412 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6414 (asm_out): Add here.
6415 * output.h (default_emit_except_table_label): Prototype.
6416 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6417 * config/darwin.c (darwin_emit_except_table_label): Define.
6418 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6420 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6422 PR tree-optimization/18527
6423 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6424 number_of_iterations_special, number_of_iterations_exit):
6425 Move base and step of an iv to a single structure. Add
6426 no_overflow flag, and use it in # of iterations analysis.
6427 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6428 folded_casts argument.
6429 (simple_iv): Pass base and step in a structure. Set no_overflow
6431 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6432 Evaluate expensiveness of computing # of iterations instead of
6433 the final expression.
6434 * tree-scalar-evolution.h (affine_iv): New structure.
6435 (simple_iv): Declaration changed.
6436 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6437 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6438 find_givs_in_stmt): Changed due to simple_iv change.
6440 2006-01-06 Jeff Law <law@redhat.com>
6443 * tree-cfg.c (bsi_replace): Rename final argument from
6444 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6445 change (stmt -> orig_stmt).
6446 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6447 (bsi_remove): Add new argument. Remove EH information
6449 (verify_eh_throw_table_statements): New function.
6450 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6452 * tree-optimize.c (execute_free_cfg_annotations): Verify
6453 the EH throw statement table after removing annotations.
6454 * except.h (verify_eh_throw_table_statements): Prototype.
6455 * tree-flow.h (bsi_remove): Update prototype.
6456 * tree-vrp.c (remove_range_assertions): Add new argument to
6458 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6459 * tree-complex.c (expand_complex_div_wide): Likewise.
6460 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6461 * tree-tailcall.c (eliminate_tailcall): Likewise.
6462 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6463 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6464 * tree-nrv.c (tree_nrv): Likewise.
6465 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6466 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6467 (combine_blocks): Likewise.
6468 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6469 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6470 (cleanup_control_flow): Likewise.
6471 (remove_forwarder_block): Likewise.
6472 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6473 * tree-sra.c (sra_replace): Likewise.
6474 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6475 (forward_propagate_single_use_vars): Likewise.
6476 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6477 * tree-inline.c (expand_call_inline): Likewise.
6478 * tree-vect-transform.c (vect_transform_loop): Likewise.
6479 * tree-outof-ssa.c (rewrite_trees): Likewise.
6480 * tree-cfg.c (make_goto_expr_edges): Likewise.
6481 (cleanup_dead_labels): Likewise.
6482 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6483 (bsi_move_before, bsi_move_after): Likewise.
6484 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6485 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6487 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6490 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6492 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6493 on non gimple variables. Also add checks at the top for decls and
6495 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6497 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6498 and IMAGPART_EXPR for creating MUST_DEFs.
6499 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6500 and NAME_MEMORY_TAG separately from the DECLs.
6502 2006-01-06 Richard Guenther <rguenther@suse.de>
6504 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6505 annotation, if necessary.
6506 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6507 redundant calls to update_stmt.
6508 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6511 2006-01-05 Richard Henderson <rth@redhat.com>
6513 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6515 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6517 * c-typeck.c: Update copyright date.
6519 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6521 * c-typeck.c (build_c_cast): Always warn when casting
6522 from a pointer to an integer of different size, even if
6523 the node was constant.
6525 2006-01-05 Richard Guenther <rguenther@suse.de>
6527 PR tree-optimization/22555
6528 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6529 if one structure field is an array.
6530 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6531 operands even if we found a subvar, but ignore VOPs in this
6533 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6535 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6537 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6540 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6542 2006-01-05 Richard Guenther <rguenther@suse.de>
6543 Diego Novillo <dnovillo@redhat.com>
6545 * tree-pass.h (TODO_remove_unused_locals): Define.
6546 * gimple-low.c (expand_var_p, remove_useless_vars,
6547 pass_remove_useless_vars): Remove. Update all users.
6548 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6549 (remove_unused_locals): New function.
6550 * tree-flow.h (remove_unused_locals): Declare.
6551 * passes.c (execute_todo): Call remove_unused_locals if
6552 TODO_remove_unused_locals is set.
6553 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6554 * tree-ssa-dce.c (pass_dce): Likewise.
6555 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6557 2006-01-05 Richard Guenther <rguenther@suse.de>
6559 * tree-flow.h (struct fieldoff): Decompose field to
6560 type, size and decl.
6561 * tree-ssa-alias.c (create_sft): Take type as parameter.
6562 (create_overlap_variables_for): Store type, size and decl
6563 in the fieldoff structure.
6564 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6566 (push_fields_onto_fieldstack): Likewise.
6567 (create_variable_info_for): Likewise. Use offset for the
6568 SFT name if the decl is not available.
6570 2006-01-04 Paul Brook <paul@codesourcery.com>
6572 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6574 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6576 * lambda-code.c (can_put_in_inner_loop): Relax
6578 (can_put_after_inner_loop): New function.
6579 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6580 (perfect_nestify): Change to make copies and modify uses.
6582 2006-01-04 Richard Henderson <rth@redhat.com>
6584 Merge from gomp branch:
6585 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6586 via integer constant.
6587 (pragma_lex): Remove.
6588 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6589 rather than parsing it.
6590 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6591 handle_pragma_extern_prefix): Add %< %> quotes.
6592 (registered_pragmas): New.
6593 (c_register_pragma_1): New.
6594 (c_register_pragma): Use it.
6595 (c_register_pragma_with_expansion): Likewise.
6596 (c_invoke_pragma_handler): New.
6597 (init_pragma): Use cpp_register_deferred_pragma directly for
6599 * c-pragma.h (enum pragma_kind): New.
6600 (pragma_handler): New.
6601 (c_invoke_pragma_handler): Declare.
6602 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6604 * c-common.h (c_common_pch_pragma): Update decl.
6605 * Makefile.in (c-parser.o): Update dependencies.
6606 (GTFILES): Add c-pragma.h.
6607 * c-parser.c (struct c_token): Add pragma_kind.
6608 (struct c_parser): Add in_pragma.
6609 (c_lex_one_token): Always initialize keyword and pragma_kind.
6610 Extract data for CPP_PRAGMA.
6611 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6612 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6613 Don't allow CPP_PRAGMA_EOL if in_pragma.
6614 (c_parser_consume_pragma): New.
6615 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6616 (c_parser_skip_to_end_of_parameter): Likewise.
6617 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6618 (c_parser_skip_to_pragma_eol): New.
6619 (c_parser_external_declaration): Handle CPP_PRAGMA.
6620 (c_parser_compound_statement_nostart): Likewise.
6621 (c_parser_statement_after_labels): Likewise.
6622 (c_parser_pragma): New.
6623 (pragma_lex): Likewise.
6624 (c_parser_pragma_pch_preprocess): New.
6625 (c_parser_new): Merge into ...
6626 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6628 2006-01-04 Jeff Law <law@redhat.com>
6631 * tree-cfg.c (bsi_replace): Remove the original statement
6632 from the EH throw statement table.
6634 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6636 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6637 make the prototype extern "C" and add throw ().
6640 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6641 and pos non-negative and pos + len <= 32.
6642 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6643 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6644 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6647 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6648 as well as sizes not multiple of component size.
6651 * function.c (instantiate_expr): New function.
6652 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6653 walk its DECL_VALUE_EXPR with instantiate_expr.
6655 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6656 DW_OP_deref{,_size} if address isn't going to be added.
6658 2006-01-04 Ben Elliston <bje@au.ibm.com>
6660 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6661 * config/fp-bit.c: Likewise.
6663 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6665 * dominance.c: Add comment about why we use DFS numbering
6668 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6669 Richard Henderson <rth@redhat.com>
6671 Merge from gomp-branch:
6672 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6673 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6675 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6677 PR rtl-optimization/25578
6678 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6679 pass a parameter to simplify_shift_const if changing ASHIFTRT
6682 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6684 * builtins.c (get_builtin_sync_mem): New function.
6685 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6686 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6687 Call get_builtin_sync_mem to generate mem rtx.
6689 2006-01-03 Richard Guenther <rguenther@suse.de>
6692 * stmt.c (add_case_node): Make sure to clear overflow flags
6695 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6697 Merge from gomp-branch.
6698 * config/sparc/sync.md: New file.
6699 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6700 UNSPECV_LDSTUB): New constants.
6701 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6702 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6703 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6706 2006-01-03 Roger Sayle <roger@eyesopen.com>
6708 * combine.c (reg_subword_p): New predicate to test whether the
6709 destination of a set refers to a subword/piece of a register.
6710 (try_combine): Generalize the code to merge the setting of a
6711 pseudo to a constant followed by a set of a subword of that
6712 register to a constant.
6714 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6716 * basic-block.h (control_flow_graph): Change the type of
6717 x_label_to_block_map to VEC(basic_block,gc) *.
6718 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6719 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6721 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6722 VEC(basic_block,heap) *.
6723 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6724 ssa_prop_fini): Adjust the uses of cfg_blocks.
6726 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6728 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6730 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6731 hashing trees instead of a pointer hash.
6732 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6733 compare for MEM_EXPR.
6735 PR rtl-optimization/25130
6736 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6737 when comparing MEMs for GCSE
6739 2006-01-03 Ben Elliston <bje@au.ibm.com>
6741 * targhooks.h (default_decimal_float_supported_p): Declare.
6742 * targhooks.c (default_decimal_float_supported_p): Define.
6743 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6744 `default_decimal_float_supported_p'.
6745 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6747 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6749 * combine.c (apply_distributive_law <SUBREG>): Check
6750 TRULY_NOOP_TRUNCATION.
6752 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6754 * dwarf2out.c (have_switched_text_section): Delete.
6755 (have_multiple_function_sections): New.
6756 (have_location_lists): Make 'bool'.
6757 (add_AT_loc_list): Use 'true' not '1'.
6758 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6759 (output_loc_list): Use have_multiple_function_sections.
6760 (output_ranges): Likewise.
6761 (dwarf2out_begin_function): Set have_multiple_function_sections if
6763 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6764 Check function_section rather than DECL_SECTION_NAME.
6765 (dwarf2out_finish): Use have_multiple_function_sections.
6766 Don't clear have_location_lists.
6768 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6769 Jan Hubicka <jh@suse.cz>
6771 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6772 case of conditional jump jumping to the next instruction.
6773 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6774 cases of conditional jump jumping to the next instruction.
6776 2006-01-02 Jan Hubicka <jh@suse.cz>
6778 * i386.c (*_cost): Add COSTS_N_INSNS.
6779 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6781 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6784 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6786 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6788 * config/arm/arm.c (all_fpus): Fix comment typo.
6789 * config/darwin.c: Likewise.
6790 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6791 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6792 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6794 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6796 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6797 (rs6000_split_compare_and_swapqhi): New.
6798 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6799 (sync_compare_and_swapqhi_internal): New.
6800 * config/rs6000/rs6000-protos.h: Declare.
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