1 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5 (mips_output_order_conditional_branch): Declare.
6 * config/mips/mips.h (MIPS_BRANCH): New macro.
7 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8 for the comparison. Use gen_condjump.
9 (mips_output_conditional_branch): Rework interface to take the
10 asm templates for a direct branch and the inverse of a direct branch.
11 (mips_output_order_conditional_branch): New function.
12 (mips_builtin_branch_and_move): New function.
13 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14 branch condition. Use gen_single_cc as the condition for
15 __builtin_mips_upper_* or __builtin_mips_lower_*.
16 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
17 Use VOIDmode for the branch condition.
18 * config/mips/predicates.md (order_operator): New predicate.
19 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
20 (branch_fp): Rename to...
21 (*branch_fp): ...this. Remove mode from comparison operator.
22 Use new mips_output_conditional_branch interface.
23 (branch_fp_inverted): Rename to...
24 (*branch_fp_inverted): ...this and update as for *branch_fp.
25 (*branch_zero<mode>): Rename to...
26 (*branch_order<mode>): ...this. Remove mode from comparison operator.
27 Use mips_output_order_conditional_branch. Only accept ordered
29 (*branch_zero<mode>_inverted): Rename to...
30 (*branch_order<mode>_inverted): ...this and update as for
32 (*branch_equality<mode>): Accept zero as the second operand to
33 the equality operator. Use the new mips_output_conditional_branch
35 (*branch_equality<mode>_inverted): Likewise.
36 (condjump): New expander.
37 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
39 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
40 (bc1any2t, bc1any2f): Likewise.
41 (single_cc): New expander.
42 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
44 2006-03-09 Richard Sandiford <richard@codesourcery.com>
46 * doc/md.texi: Update documentation of MIPS constraints.
47 * config/mips/constraints.md: New file.
48 * config/mips/mips.md: Include it.
49 * config/mips/mips.c (mips_char_to_class): Delete.
50 (override_options): Don't initialize mips_char_to_class.
51 * config/mips/mips.h (mips_char_to_class): Delete.
52 (REG_CLASS_FROM_LETTER): Delete.
53 (CONST_OK_FOR_LETTER_P): Delete.
54 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
55 (EXTRA_CONSTRAINT_Y): Delete.
56 (EXTRA_CONSTRAINT_STR): Delete.
57 (CONSTRAINT_LEN): Delete.
58 (EXTRA_MEMORY_CONSTRAINT): Delete.
60 2006-03-09 Diego Novillo <dnovillo@redhat.com>
62 * tree-cfg.c (move_block_to_fn): Remove the statements from the
63 original fn's eh regions.
65 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
67 * fold-const.c (build_range_check): Make sure to use a valid type to
68 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
71 (range_predecessor): New static function.
72 (range_successor): Likewise.
73 (merge_ranges): Use them to compute predecessors and successors of
76 2006-03-09 Roger Sayle <roger@eyesopen.com>
79 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
80 X op C3, consider whether C3 overflows towards +Inf or -Inf.
82 2006-03-08 DJ Delorie <dj@redhat.com>
84 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
85 (addpsi3): Expand to include memory operands. Remove
86 reload-specific splits.
87 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
88 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
89 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
90 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
91 (shift1_qi, shift1_hi, insv): New.
92 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
93 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
94 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
96 * config/m32c/m32c-protos.h: Update as needed.
97 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
98 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
99 Fail for unrecognized R* constraints.
100 (m32c_cannot_change_mode_class): Be more picky about pseudos.
101 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
102 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
104 (m32c_init_libfuncs): New.
105 (m32c_legitimate_address_p): Add debug wrapper.
106 (m32c_rtx_costs): New.
107 (m32c_address_cost): New.
108 (conversions): Add 'B' prefix.
109 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
110 operands, or word regnames for QI operands. 'B' prints bit
112 (m32c_expand_setmemhi): New.
113 (m32c_expand_movmemhi): New.
114 (m32c_expand_movstr): New.
115 (m32c_expand_cmpstr): New.
116 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
117 (m32c_expand_neg_mulpsi3): Handle non-ints.
118 (m32c_cmp_flg_0): New.
119 (m32c_expand_movcc): New.
120 (m32c_expand_insv): New.
121 (m32c_scc_pattern): New.
122 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
124 (STORE_FLAG_VALUE): New.
125 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
128 * config/m32c/mov.md: Make constraints more liberal.
129 (zero_extendqihi2): Optimize r0/r1 case.
130 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
131 * config/m32c/predicates.md (m32c_any_operand): New.
132 (m32c_nonimmediate_operand): New.
133 (m32c_hl_operand): New.
134 (m32c_r3_operand): New.
137 (memsym_operand): New.
138 (memimmed_operand): New.
140 (m32c_eqne_operator): New.
141 (m32c_1bit8_operand): New.
142 (m32c_1bit16_operand): New.
143 (m32c_1mask8_operand): New.
144 (m32c_1mask16_operand): New.
145 * config/m32c/blkmov.md: New file.
146 * config/m32c/t-m32c (MD_FILES): Add blkmov.
148 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
150 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
151 unsigned to fix signed/unsigned comparison issue in
152 DWARF2_FRAME_REG_OUT.
153 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
154 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
156 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
157 of ptr into the ENABLE_CHECKING section.
159 2006-03-08 Jeff Law <law@redhat.com>
161 * tree-vrp.c (infer_value_range): Only count pointer uses
162 and dereferences if -fdelete-null-pointer-checks is enabled.
164 * tree-vrp.c (find_assert_locations): Infer value ranges for
165 single use pointers, but do not create ASSERT_EXPRs for them.
166 When a non-null range is inferred for a pointer, backwards
167 propagate that range to other equivalent pointers through the
170 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
173 * Makefile.in (dvi, html, install-info): Invoke the corresponding
174 language hook targets.
175 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
176 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
177 if language hook targets were missing.
179 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
181 * tree-ssa-opfinalize.h: Removed.
182 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
184 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
185 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
186 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
187 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
188 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
189 finalize_ssa_v_must_def_ops): New.
191 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
193 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
196 2006-03-07 Geoffrey Keating <geoffk@apple.com>
198 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
200 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
201 addresses with offsets; reorganize.
203 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
204 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
205 (expand_builtin_init_dwarf_reg_sizes): Likewise.
207 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
210 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
212 2006-03-08 Ben Elliston <bje@au.ibm.com>
214 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
216 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
219 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
222 2006-03-07 Richard Guenther <rguenther@suse.de>
224 PR tree-optimization/26587
225 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
227 2006-03-07 Richard Sandiford <richard@codesourcery.com>
229 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
231 2006-03-07 Richard Sandiford <richard@codesourcery.com>
233 * hooks.c (hook_bool_mode_rtx_true): New function.
234 * hooks.h (hook_bool_mode_rtx_true): Declare.
235 * toplev.c (compile_file): Call output_shared_constant_pool.
236 * varasm.c (shared_constant_pool): New variable.
237 (assemble_start_function, assemble_end_function): Remove arguments
238 from call to output_constant_pool.
239 (create_constant_pool): New function, split out from...
240 (init_varasm_status): ...here.
241 (force_const_mem): Choose between the shared and per-function constant
242 pools. Set current_function_uses_const_pool when reusing old entries
243 as well as when creating new ones.
244 (mark_constant): Ignore data argument.
245 (mark_constants): Remove pool argument.
246 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
247 to decide whether the function uses a constant pool.
248 (output_constant_pool_contents): New function, split out from...
249 (output_constant_pool): ...here.
250 (output_shared_constant_pool): New function.
251 (init_varasm_once): Initialize shared_constant_pool.
252 * output.h (output_constant_pool): Delete.
253 (output_shared_constant_pool): Declare.
254 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
255 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
257 2006-03-06 Nick Clifton <nickc@redhat.com>
259 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
260 flag_strength_reduce.
262 2006-03-06 Ben Elliston <bje@au.ibm.com>
264 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
265 x86_64-*-linux* configurations.
267 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
268 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
270 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
272 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
274 * basic-block.h: Remove the extern for
275 rediscover_loops_after_threading.
277 * cfgloop.c (cancel_loop): Make it static.
278 * cfgloop.h: Remove the prototype for cancel_loop.
280 * flow.c (recompute_reg_usage): Make it static.
281 * rtl.h: Remove the prototype for recompute_reg_usage.
283 * function.c (use_return_register): Make it static.
284 * function.h: Remove the prototype.
286 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
288 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
290 * recog.h: Remove the prototype for
291 validate_change_maybe_volatile.
293 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
295 * rtlanal.c (replace_reg): Remove.
296 * rtl.h: Remove the prototype for replace_reg.
298 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
300 * regclass.c (reg_scan_update): Remove.
301 (reg_scan_mark_refs): Remove the last argument.
302 * rtl.h: Remove the prototype for reg_scan_update.
304 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
306 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
307 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
308 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
309 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
310 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
311 loop-invariant.c, omp-low.c, opts.c, passes.c,
312 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
313 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
314 tree-ssa-structalias.c, tree-ssa-threadedge.c,
315 tree-ssa-threadupdate.c, tree-vect-patterns.c,
316 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
317 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
319 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
321 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
322 * dwarf2out.h: Remove the prototype for
323 dwarf2out_add_library_unit_info.
325 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
327 * tree.c (add_var_to_bind_expr): Remove.
328 * tree.h: Remove the prototype for add_var_to_bind_expr.
330 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
332 * regclass.c (n_non_fixed_regs): Remove.
333 (init_reg_sets_1, globalize_reg): Remove all uses of
335 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
337 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
339 * rtlanal.c (insns_safe_to_move_p): Remove.
340 * rtl.h: Remove the prototype for insns_safe_to_move_p.
342 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
344 * expmed.c (expand_mult_add): Remove.
345 * expr.h: Remove the prototype for expand_mult_add.
347 2006-03-04 Jakub Jelinek <jakub@redhat.com>
349 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
350 and REG_SAVED_VAL_EXP constants.
351 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
352 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
353 Handle regs stored by value.
354 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
355 (execute_cfa_program): Handle DW_CFA_val_offset,
356 DW_CFA_val_offset_sf and DW_CFA_val_expression.
357 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
358 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
359 (uw_install_context_1): Handle target regs stored by value.
361 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
363 * tree-sra.c (tree_sra): Return todoflags;
364 (generate_one_element): Set TODO_update_smt_usage if needed.
365 (pass_sra): Remove TODO_update_smt_usage.
366 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
368 (tree_ssa_forward_propagate_single_use_vars): Return
369 TODO_update_smt_usage if we need to update SMT usage.
370 (pass_forwprop): Remove TODO_update_smt_usage.
372 2006-03-03 Diego Novillo <dnovillo@redhat.com>
374 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
375 (correct_use_link): Remove reference to get_stmt_operands.
376 (update_stmt_operands): Likewise.
377 (get_modify_expr_operands): New function factored out of
378 parse_ssa_operands and get_expr_operands.
379 Try to create V_MUST_DEFs for LHS by default.
380 (get_expr_operands) <case MODIFY_EXPR>: Call
381 get_modify_expr_operands.
382 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
383 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
384 (parse_ssa_operands) <case MODIFY_EXPR>: Call
385 get_modify_expr_operands.
387 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
389 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
390 * tree-flow.h: Remove the prototype for
391 referenced_var_lookup_if_exists.
393 2006-03-03 Steve Ellcey <sje@cup.hp.com>
395 PR rtl-optimization/26345
397 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
399 2006-03-03 Roger Sayle <roger@eyesopen.com>
401 PR tree-optimization/26524
402 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
403 fold_convert to create a constant of the appropriate type.
405 2006-03-03 Richard Sandiford <richard@codesourcery.com>
407 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
408 SYMBOL_REF_IN_BLOCK_P.
409 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
410 of SYMBOL_FLAG_IN_BLOCK.
411 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
412 instead of SYMBOL_REF_IN_BLOCK_P.
413 * explow.c (use_anchored_address): Likewise.
414 * rtl.c (rtx_size): Likewise.
415 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
416 instead of SYMBOL_FLAG_IN_BLOCK.
417 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
418 SYMBOL_REF_IN_BLOCK_P.
419 (assemble_variable): Likewise.
420 (output_constant_def_contents): Likewise.
421 (output_constant_pool): Likewise.
422 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
423 instead of SYMBOL_FLAG_IN_BLOCK.
424 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
425 SYMBOL_REF_IN_BLOCK_P.
426 (SYMBOL_REF_BLOCK): Likewise.
427 (SYMBOL_REF_OFFSET): Likewise.
428 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
429 SYMBOL_REF_IN_BLOCK_P.
430 (SYMBOL_FLAG_IN_BLOCK): Replace with...
431 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
432 (SYMBOL_REF_IN_BLOCK_P): Replace with...
433 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
435 2006-03-03 Jakub Jelinek <jakub@redhat.com>
437 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
439 2006-03-02 Roger Sayle <roger@eyesopen.com>
441 * simplify-rtx.c (simplify_unary_operation): When simplifying
442 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
443 that we perform the right shift in the appropriate mode, and
444 then extend or truncate the result to requested mode.
446 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
448 * gengtype.c (main): Handle double_int type.
449 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
450 * double-int.c: New file.
451 * double-int.h: New file.
452 * system.h: Include doubleint.h.
453 * Makefile.in (SYSTEM_H): Include double-int.h.
456 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
459 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
462 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
464 * tree-vrp.c (remove_range_assertions): Do not update statements
467 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
469 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
471 * gcse.c (rest_of_handle_gcse): Ditto.
472 * except.c (gate_handle_eh): Ditto.
473 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
474 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
476 2006-03-02 Eric Christopher <echristo@apple.com>
478 * config/i386/i386.c (machopic_output_stub): Add indirection to
481 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
485 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
487 Sun Niagara specific optimizations.
488 * config.gcc: Recognize niagara as target.
489 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
490 (TARGET_CPU_niagara): Define.
491 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
492 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
493 (CPP_CPU_SPEC): Handle -mcpu=niagara.
494 (ASM_CPU_SPEC): Likewise.
495 (PROCESSOR_NIAGARA): New enum entry.
496 (REGISTER_MOVE_COST): Handle Niagara.
497 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
498 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
499 (sparc_override_options): Recognize "niagara", set appropriate
500 default MASK_* values for it, and align functions to 32-bytes
501 by default just like ULTRASPARC/ULTRASPARC3.
502 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
503 (sparc64_initialize_trampoline): Likewise.
504 (sparc_use_sched_lookahead): Use zero for niagara.
505 (sparc_issue_rate): Use one for niagara.
506 * config/sparc/niagara.md: New file.
507 * config/sparc/sparc.md: Include it.
508 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
509 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
510 when default cpu is niagara.
511 (CPP_CPU_SPEC): Handle -mcpu=niagara.
512 (ASM_CPU_SPEC): Likewise.
513 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
514 when default cpu is niagara.
515 (ASM_CPU_SPEC): Handle -mcpu=niagara.
516 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
517 just like v9/ultrasparc/ultrasparc3.
518 * doc/invoke.texi: Add documentation for "niagara" and improve
519 existing documentation for ultrasparc variants.
521 2006-03-02 Diego Novillo <dnovillo@redhat.com>
523 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
525 2006-03-02 Richard Sandiford <richard@codesourcery.com>
527 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
528 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
529 and say that only one is needed.
530 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
531 * target.h (have_switchable_bss_sections): New hook.
532 * explow.c (use_anchored_address): Check that the symbol is in a block.
533 * varasm.c (tls_comm_section, comm_section, lcomm_section)
534 (bss_noswitch_section): New variables.
535 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
536 (get_noswitch_section): New function.
537 (get_block_for_section): Allow SECT to be null.
538 (unlikely_text_section_p): Use SECTION_STYLE.
539 (bss_initializer_p): New function.
540 (get_variable_section): Move earlier in file. Take a new argument,
541 prefer_noswitch_p. Move bss checks from assemble_variable to here.
542 Return one of the new *_sections in such cases.
543 (get_block_for_decl): New function, extracting some logic from
544 use_blocks_for_decl_p.
545 (change_symbol_section): Remove in favor of...
546 (change_symbol_block): ...this new function.
547 (use_blocks_for_decl_p): Remove checks now performed by
549 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
550 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
551 (emit_local, emit_bss, emit_common): ...these new functions.
552 Return true if the alignment was honored.
553 (emit_tls_common): New function.
554 (asm_emit_uninitialised): Delete.
555 (assemble_variable_noswitch): New function, split out from...
556 (assemble_variable): ...here. Don't make decisions about common
557 variables here. Globalize all public decls that go into non-common
558 sections. Check whether SYMBOL_REF_BLOCK is null.
559 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
560 (output_constant_pool): Likewise.
561 (init_varasm_once): Initialize the new section variables.
562 (have_global_bss_p): New function.
563 (categorize_decl_for_section): Use bss_initializer_p.
564 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
565 (place_block_symbol): Assert that the symbol must be in a block.
566 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
567 (TARGET_INITIALIZER): Include it.
568 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
569 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
570 (SECTION_MACH_DEP): Bump by two.
571 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
572 (unnamed_section): Mention SECTION_UNNAMED in comment.
573 (named_section): Likewise SECTION_NAMED.
574 (noswitch_section_callback): New type.
575 (noswitch_section): New structure.
576 (section): Add a noswitch_section alternative.
577 (SECTION_STYLE): New macro.
578 (tls_comm_section, comm_section, lcomm_section): Declare.
579 (bss_noswitch_section, have_global_bss_p): Declare.
580 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
581 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
583 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
584 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
587 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
589 * gcc/tree-vrp.c (execute_vrp): Return value.
590 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
591 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
592 * gcc/tree-complex.c (tree_lower_complex): Ditto.
593 (tree_lower_complex_O0): Ditto.
594 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
595 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
596 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
597 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
598 (execute_tail_calls): Ditto.
599 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
600 * gcc/tree.h (init_function_for_compilation): Ditto.
601 * gcc/ipa-cp.c (ipcp_driver): Ditto.
602 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
603 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
604 * gcc/final.c (compute_alignments): Ditto.
605 (rest_of_handle_final): Ditto.
606 (rest_of_handle_shorten_branches): Ditto.
607 (rest_of_clean_state): Ditto.
608 * gcc/omp-low.c (execute_expand_omp): Ditto.
609 (execute_lower_omp): Ditto.
610 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
611 * gcc/ipa-reference.c (static_execute): Ditto.
612 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
613 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
614 (rest_of_handle_machine_reorg): Ditto.
615 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
616 * gcc/flow.c (recompute_reg_usage): Ditto.
617 (rest_of_handle_remove_death_notes): Ditto.
618 (rest_of_handle_life): Ditto.
619 (rest_of_handle_flow2): Ditto.
620 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
621 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
622 (do_ssa_store_ccp): Ditto.
623 (execute_fold_all_builtins): Ditto.
624 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
625 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
626 * gcc/ipa-pure-const.c (static_execute): Ditto.
627 * gcc/cse.c (rest_of_handle_cse): Ditto.
628 (rest_of_handle_cse2): Ditto.
629 * gcc/web.c (rest_of_handle_web): Ditto.
630 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
631 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
632 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
633 * gcc/tree-nrv.c (tree_nrv): Ditto.
634 (execute_return_slot_opt): Ditto.
635 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
636 (create_structure_vars): Ditto.
637 * gcc/loop-init.c (rtl_loop_init): Ditto.
638 (rtl_loop_done): Ditto.
639 (rtl_move_loop_invariants): Ditto.
640 (rtl_unswitch): Ditto.
641 (rtl_unroll_and_peel_loops): Ditto.
643 * gcc/gimple-low.c (lower_function_body): Ditto.
644 (mark_used_blocks): Ditto.
645 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
646 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
647 (cgraph_early_inlining): Ditto.
648 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
649 * gcc/jump.c (cleanup_barriers): Ditto.
650 (purge_line_number_notes): Ditto.
651 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
652 (rest_of_handle_if_after_reload): Ditto.
653 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
654 (tree_ssa_loop_im): Ditto.
655 (tree_ssa_loop_unswitch): Ditto.
656 (tree_vectorize): Ditto.
657 (tree_linear_transform): Ditto.
658 (tree_ssa_loop_ivcanon): Ditto.
659 (tree_ssa_empty_loop): Ditto.
660 (tree_ssa_loop_bounds): Ditto.
661 (tree_complete_unroll): Ditto.
662 (tree_ssa_loop_prefetch): Ditto.
663 (tree_ssa_loop_ivopts): Ditto.
664 (tree_ssa_loop_done): Ditto.
665 * gcc/predict.c (tree_estimate_probability): Ditto.
666 * gcc/recog.c (split_all_insns_noflow): Ditto.
667 (rest_of_handle_peephole2): Ditto.
668 (rest_of_handle_split_all_insns): Ditto.
669 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
670 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
671 (rest_of_handle_stack_adjustments): Ditto.
672 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
673 * gcc/function.c (instantiate_virtual_regs): Ditto.
674 (init_function_for_compilation): Ditto.
675 (rest_of_handle_check_leaf_regs): Ditto.
676 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
677 (rest_of_handle_gcse): Ditto.
678 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
679 * gcc/alias.c (rest_of_handle_cfg): Ditto.
680 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
681 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
682 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
683 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
684 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
685 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
686 * gcc/except.c (set_nothrow_function_flags): Ditto.
687 (convert_to_eh_region_ranges): Ditto.
688 (rest_of_handle_eh): Ditto.
689 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
690 (remove_unnecessary_notes): Ditto.
691 * gcc/except.h (set_nothrow_function_flags): Ditto.
692 (convert_to_eh_region_ranges): Ditto.
693 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
694 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
695 * gcc/tree-ssa-pre.c (do_pre): Ditto.
696 (execute_fre): Ditto.
697 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
698 (rest_of_handle_jump2): Ditto.
699 * gcc/tree-sra.c (tree_sra): Ditto.
700 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
701 (execute_mudflap_function_decls): Ditto.
702 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
703 (do_store_copy_prop): Ditto.
704 * gcc/ipa-prop.h (ipcp_driver): Ditto.
705 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
706 * gcc/tree-ssa-forwprop.c
707 (tree_ssa_forward_propagate_single_use_vars): Ditto.
708 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
709 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
710 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
711 (execute_late_warn_uninitialized): Ditto.
712 * gcc/rtl.h (cleanup_barriers): Ditto.
713 (split_all_insns_noflow): Ditto.
714 (purge_line_number_notes): Ditto.
715 (unshare_all_rtl): Ditto.
716 (remove_unnecessary_notes): Ditto.
717 (recompute_reg_usage): Ditto.
718 (variable_tracking_main): Ditto.
719 * gcc/integrate.c (emit_initial_value_sets): Ditto.
720 * gcc/integrate.h (emit_initial_value_sets): Ditto.
721 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
722 (execute_free_cfg_annotations): Ditto.
723 (execute_fixup_cfg): Ditto.
724 (execute_cleanup_cfg_pre_ipa): Ditto.
725 (execute_cleanup_cfg_post_optimizing): Ditto.
726 (execute_init_datastructures): Ditto.
727 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
728 * gcc/combine.c (rest_of_handle_combine): Ditto.
729 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
730 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
731 (rest_of_handle_reorder_blocks): Ditto.
732 (rest_of_handle_partition_blocks): Ditto.
733 * gcc/var-tracking.c (variable_tracking_main): Ditto.
734 * gcc/tree-profile.c (tree_profiling): Ditto.
735 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
736 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
737 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
738 (rest_of_handle_sched2): Ditto.
739 * gcc/basic-block.h (free_bb_insn): Ditto.
740 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
741 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
742 (remove_useless_stmts): Ditto.
743 (split_critical_edges): Ditto.
744 (execute_warn_function_return): Ditto.
745 (execute_warn_function_noreturn): Ditto.
746 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
747 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
748 * gcc/passes.c (execute_one_pass): Run additional
749 todos returned by execute function.
750 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
753 2006-03-02 Richard Guenther <rguenther@suse.de>
755 * tree-ssa-alias.c (find_used_portions): Consider taking
756 the address as making the variable not write-only.
758 2006-03-02 Nick Clifton <nickc@redhat.com>
760 * config.gcc (default_use_cxa_atexit): Extend the description of
761 this configure variable. Set its default value to "yes" for
762 Linux, NetBSD and ELF targets on the assumption that they will
763 use C libraries with the __cxa_atexit function.
765 2006-03-02 Ben Elliston <bje@au.ibm.com>
767 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
768 parameter as unused to suppress a build warning.
770 2006-03-02 Ben Elliston <bje@au.ibm.com>
772 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
775 2006-03-01 Roger Sayle <roger@eyesopen.com>
778 * gthr-posix.h (__gthrw2): Define to take three parameters, the
779 declared name, the weak reference name, and the typeof name.
780 (__gthrw): Avoid expanding the declared name suffix.
781 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
783 2006-03-01 Jakub Jelinek <jakub@redhat.com>
785 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
787 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
788 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
789 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
790 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
791 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
792 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
793 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
794 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
795 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
796 DW_DS_leading_separate, DW_DS_trailing_separate): New.
797 (DW_END_default, DW_END_big, DW_END_little): New.
798 (DW_END_lo_user, DW_END_hi_user): Define.
799 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
800 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
801 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
804 2006-03-01 Diego Novillo <dnovillo@redhat.com>
806 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
808 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
810 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
812 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
814 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
817 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
820 2006-03-01 Roger Sayle <roger@eyesopen.com>
822 * builtins.c (fold_builtin_copysign): Delete unreachable code.
824 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
827 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
828 MACHO_DYNAMIC_NO_PIC_P.
829 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
831 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
834 * config/darwin-protos.h (darwin_asm_output_anchor):
836 * config/darwin-sections.def (cstring_section):
837 Add SECTION_MERGE to the flags.
838 (literal4_section): Likewise.
839 (literal8_section): Likewise.
840 (objc_selector_refs_section): Likewise.
841 (objc_cls_refs_section): Likewise.
842 * config/darwin.c (darwin_asm_output_anchor): New
844 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
846 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
848 Fix PR tree-optimization/26443
849 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
850 to todo and PROP_tmt_usage to properties_destroyed.
851 * tree-ssa-ccp.c (pass_ccp): Ditto.
852 (pass_store_ccp): Ditto.
853 * tree-ssa-dom.c (pass_dominator): Ditto.
855 2006-03-01 Diego Novillo <dnovillo@redhat.com>
857 * tree-ssa-operands.c: Cleanup whitespace.
858 (get_asm_expr_operands): Move before first invocation.
859 (get_indirect_ref_operands): Likewise.
860 (get_tmr_operands): Likewise.
861 (get_call_expr_operands): Likewise.
862 (append_def): Likewise.
863 (append_use): Likewise.
864 (append_v_may_def): Likewise.
865 (append_v_must_def): Likewise.
866 (add_call_clobber_ops): Likewise.
867 (add_call_read_ops): Likewise.
868 (add_stmt_operand): Likewise.
869 (add_virtual_operand): Likewise.
870 (build_ssa_operands): Likewise.
872 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
877 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
878 with a call expr to ...
879 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
881 2006-03-01 Diego Novillo <dnovillo@redhat.com>
883 * tree-vrp.c (extract_range_from_assert): Remove special
884 handling for types with super-types.
886 2006-03-01 Ben Elliston <bje@au.ibm.com>
888 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
889 and powerpc64-*-linux* configurations.
890 * config/t-dfprules: New file.
892 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
893 Compile dfp-bit.c from the source directory using -DWIDTH and
894 $DFP_CFLAGS to control the compilation of that file, rather than
895 generating width-specific versions in the build directory.
896 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
897 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
899 2006-02-28 Zack Weinberg <zackw@panix.com>
901 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
904 2006-02-28 Eric Christopher <echristo@apple.com>
906 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
907 Set up IN_LIBGCC definition of TARGET_64BIT.
908 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
910 2006-02-28 Roger Sayle <roger@eyesopen.com>
913 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
914 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
915 cases via the construction of "expr != 0".
917 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
919 * alias.c (alias_invariant, alias_invariant_size): Remove.
920 (record_base_value): Remove.
921 (memrefs_conflict_p): Don't look at alias_invariant.
922 (end_alias_analysis): Don't free it.
923 * alias.h (record_base_value): Remove prototype.
925 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
926 Adam Nemet <anemet@caviumnetworks.com>
928 * rtl.h (truncated_to_mode): Declare it.
929 (struct rtl_hooks): Add reg_truncated_to_mode hook.
930 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
931 (RTL_HOOKS_INITIALIZER): Include it.
932 * rtlhooks.c (reg_truncated_to_mode_general): New function.
933 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
934 reg_truncated_to_mode.
935 * rtlanal.c (truncated_to_mode): Define it.
936 * simplify-rtx.c (simplify_unary_operation_1): Use it.
938 2006-02-28 Jeff Law <law@redhat.com>
940 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
941 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
942 the range allowed by TYPE_PRECISION.
944 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
946 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
948 PR tree-optimization/26419
949 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
952 2006-02-27 Zack Weinberg <zackw@panix.com>
954 * doc/md.texi: Fix typo in previous change.
956 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
960 2006-02-27 Zack Weinberg <zackw@panix.com>
962 * rtl.def (define_constraint, define_register_constraint)
963 (define_memory_constraint, define_address_constraint): New MD forms.
964 * gensupport.c (process_rtx): Put define_constraint etc on the
966 * genpreds.c (process_define_predicate): Adjust comment. Validate
967 the name, and call validate_exp to validate the expression.
968 (mark_mode_tests, write_extract_subexp): Can assume correct input.
969 (write_predicate_expr): Likewise. NAME argument no longer necessary;
971 (validate_exp, needs_variable, struct constraint_data)
972 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
973 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
974 (const_dbl_constraints, constraint_max_namelen)
975 (have_register_constraints, have_memory_constraints)
976 (have_address_constraints, have_address_constraints)
977 (have_extra_constraints, have_const_int_constraints)
978 (have_const_dbl_constraints, mangle, add_constraint)
979 (process_define_constraint, process_define_register_constraint)
980 (write_enum_constraint_num, write_lookup_constraint)
981 (write_insn_constraint_len, write_regclass_for_constraint)
982 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
983 (write_insn_extra_memory_constraint)
984 (write_insn_extra_address_constraint)
985 (write_satisfies_constraint_fns): New.
986 (write_tm_preds_h): If we have new-style constraint definitions,
987 prototype the functions generated from them, and define the
988 old constraint interface (still used by generic code) in terms of
990 (write_insn_preds_c): If we have new-style constraint definitions,
991 generate all relevant functions from those definitions.
992 (main): Handle define_constraint etc.
993 * genoutput.c (struct constraint_data, indep_constraints)
994 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
995 (mdep_constraint_len): New data structures and functions, defined
996 #ifdef USE_MD_CONSTRAINTS.
997 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
998 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
999 use new logic to validate operand constraints against constraint
1001 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1003 * defaults.h: If none of the old-style constraint macros are
1004 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1005 old-style macros; and poison REG_CLASS_FROM_LETTER,
1006 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1008 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1009 * doc/md.texi: Document new constraint-definition mechanism and the
1010 C interface it provides. Remove references to old mechanism
1011 elsewhere in the document.
1012 (Machine Constraints): Use pathnames relative to gcc directory,
1013 i.e. config/ARCH/FILE. Change i386 section to refer to
1014 config/i386/predicates.md; update that section to match docstrings.
1015 * doc/tm.texi: Move all documentation of the old constraint-
1016 definition macros to their own section, clearly mark as obsolete.
1018 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1019 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1021 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1022 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1023 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1025 (splits and peepholes): Use satisfies_constraint_*.
1026 * config/i386/i386.c (memory_address_length)
1027 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1029 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1031 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1032 scalar operation to be put back into the loop.
1034 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1037 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1038 (extract_cie_info): Handle S flag in augmentation string.
1039 (execute_cfa_program): If context->signal_frame, execute also
1040 fs->pc == context->ra instructions.
1041 (uw_frame_state_for): If context->signal_frame, don't subtract one
1042 from context->ra to find FDE.
1043 (uw_update_context_1): Set context->signal_frame to
1045 (_Unwind_GetIPInfo): New function.
1046 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1047 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1049 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1050 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1051 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1052 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1053 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1054 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1055 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1056 x86_64_fallback_frame_state): Set fs->signal_frame.
1057 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1058 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1059 (frob_update_context): Likewise. Workaround missing S flag in
1060 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1061 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1062 Remove the psw_addr + 1 hack.
1064 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1066 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1067 with aggregates here.
1068 (find_func_aliases): Remove code for &<aggregate> from here.
1070 2006-02-26 Roger Sayle <roger@eyesopen.com>
1072 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1073 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1074 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1077 2006-02-26 Roger Sayle <roger@eyesopen.com>
1080 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1082 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1084 * opts.c (decode_options): Do not handle flag_strength_reduce.
1085 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1086 and OPT_fstrength_reduce.
1087 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1088 flag_prefetch_loop_arrays for being nonzero.
1089 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1091 (fprefetch-loop-arrays-rtl): Removed.
1092 (flag_prefetch_loop_arrays): Do not specify the value.
1094 * doc/passes.texi: Update documentation of loop optimizer
1096 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1097 -frerun-loop-opt): Remove.
1099 2006-02-26 Richard Guenther <rguenther@suse.de>
1101 PR tree-optimization/26421
1102 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1103 in function calls that are ADDR_EXPRs as using the whole structure.
1105 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1107 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1108 * tree-pass.h (pass_loop_optimize): Remove.
1109 * passes.c (pass_loop_optimize): Never run it.
1110 * toplev.c (backend_init): Don't call init_loop.
1111 * opts.c (flag_loop_optimize_set): Remove.
1112 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1113 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1114 the old RTL loop optimizer when profiling enabled.
1115 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1116 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1117 pre-headers for the sake of the old RTL loop optimizer.
1118 * Makefile.in: Remove all references to loop.o.
1120 * doc/invoke.texi: Remove all references to -floop-optimize
1121 and -frerun-loop-opt.
1123 2006-02-26 Zack Weinberg <zackw@panix.com>
1125 * doc/md.texi (Machine Constraints): Refer to all files with paths
1126 relative to gcc directory (i.e. config/CPU/file). Add missing
1127 @table @code ... @end table to M32C subsection.
1129 2006-02-26 Roger Sayle <roger@eyesopen.com>
1131 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1133 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1135 2006-02-26 Roger Sayle <roger@eyesopen.com>
1136 James A. Morrison <phython@gcc.gnu.org>
1139 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1140 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1141 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1142 signedness of the shift operation.
1144 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1146 PR tree-optimization/26359
1147 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1149 2006-02-25 Roger Sayle <roger@eyesopen.com>
1151 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1152 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1153 as X == 0, and some symmetry related transformations.
1154 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1156 2006-02-25 Roger Sayle <roger@eyesopen.com>
1159 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1160 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1161 symmetry related transformations. Fold (X^C1) == C2 as
1164 2006-02-25 Juergen Weigert <jw@suse.de>
1165 Richard Guenther <rguenther@suse.de>
1167 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1169 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1171 * combine.c (gen_lowpart_or_truncate): Call
1172 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1174 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1176 * doc/invoke.texi: Move -fopenmp description to "Options for
1178 Remove reference to -lgomp.
1180 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1182 * doc/install.texi: Require GNU tar version 1.14.
1184 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1186 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1187 * doc/invoke.texi (C++ Dialect Options): Document
1188 -fno-use-cxa-get-exception-ptr.
1189 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1190 * configure: Regenerate.
1191 * c.opt (fuse-cxa-get-exception-ptr): New.
1192 * c-opts.c (c_common_handle_option): Handle
1193 OPT_fuse_cxa_get_exception_ptr.
1194 * c-common.c (flag_use_cxa_atexit): Update documentation.
1195 (flag_use_cxa_get_exception_ptr): New.
1196 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1197 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1199 (C_COMMON_OVERRIDE_OPTIONS): New.
1201 2006-02-24 Roger Sayle <roger@eyesopen.com>
1204 * combine.c (try_combine): Explicitly check whether GET_CODE is
1205 a SET or a CLOBBER, instead on checking that it isn't a USE.
1207 2006-02-24 Roger Sayle <roger@eyesopen.com>
1209 * fold-const.c (fold_comparison): New subroutine of fold_binary
1210 containing transformations common to both the equality and
1211 ordering relational operators, factored out of fold_binary.
1212 (fold_binary): Separate out the equality operators (EQ_EXPR
1213 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1214 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1215 transformations common to both.
1216 (fold_div_compare): Fix latent bugs in the previously unreachable
1217 LT_EXPR and GE_EXPR cases.
1219 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1221 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1222 decl libname for clog to __clog on AIX.
1224 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1226 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1229 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1230 output traceback table for thunks. Localise rs6000_stack_info call.
1232 2006-02-23 Roger Sayle <roger@eyesopen.com>
1233 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1235 * gthr-posix.h (__gthrw): Fix typo in comment.
1237 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1239 * doc/cpp.texi (Character sets): Document that we do support
1240 input files to be in any character set.
1242 2006-02-23 Jeff Law <law@redhat.com>
1244 * tree.h (PHI_ARG_NONZERO): Remove.
1245 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1246 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1247 node to the new node.
1249 PR tree-optimization/26425
1250 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1251 min/max, then assume its varying.
1253 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1255 PR rtl-optimization/26316
1256 * rtlanal.c (enum may_trap_p_flags): New.
1257 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1258 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1259 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1260 (may_trap_after_code_motion_p): New function.
1261 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1262 (find_invariant_insn): Use may_trap_after_code_motion_p.
1263 * rtl.h (may_trap_after_code_motion_p): Declare.
1265 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1267 * emit-rtl.c (immed_double_const): Cleanup.
1269 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1271 Fix PR tree-optimization/26376
1272 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1275 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1278 * gimplify.c (omp_add_variable): Guard variable size decl test with
1279 DECL_SIZE (decl) check.
1281 2006-02-23 Richard Guenther <rguenther@suse.de>
1284 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1285 like aggregate types.
1287 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1289 * configure.ac: Add --with{,out}-long-double-128 configure option.
1290 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1291 * configure: Rebuilt.
1292 * config.in: Rebuilt.
1293 * doc/install.texi (Options specification): Document
1294 --with-long-double-128.
1296 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1297 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1298 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1299 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1301 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1303 * config/s390/s390.c (override_options): Handle
1304 TARGET_DEFAULT_LONG_DOUBLE_128.
1306 * config/alpha/alpha.c (override_options): Handle
1307 TARGET_DEFAULT_LONG_DOUBLE_128.
1309 * config/sparc/sparc.c (sparc_override_options): Handle
1310 TARGET_DEFAULT_LONG_DOUBLE_128.
1312 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1314 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1315 (real-install-headers-tar, real-install-headers-cpio)
1316 (real-install-headers-cp): New targets.
1318 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1320 * tree.h (variable_section): Delete.
1321 * varasm.c (variable_section): Delete.
1323 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1325 * install.texi: Add notes on install.texi2html.
1326 (Building in parallel): Do not use footnotes.
1328 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1331 * doc/install.texi (Configuration): Document --disable-libgomp.
1333 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1335 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1337 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1339 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1340 (vec_extractv2df_0_sse): New.
1342 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1344 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1345 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1346 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1347 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1348 to the result of the expression.
1349 (def_cfa_1): Adjust.
1350 (frame_pointer_cfa_offset): Rename to...
1351 (frame_pointer_fb_offset): ... this. Adjust all uses.
1352 (convert_cfa_to_loc_list): Rename to...
1353 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1354 Pass it on to build_cfa_loc.
1355 (compute_frame_pointer_to_cfa_displacement): Rename to...
1356 (compute_frame_pointer_to_fb_displacement): ... this. New
1357 offset parameter. Use it in computation.
1358 (gen_subprogram_die): Compute cfa_fb_offset with the new
1359 macro, and use it to compute the fb loc list and the
1362 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1364 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1365 replaced with register_operand.
1366 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1367 non-DREG is expensive.
1368 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1369 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1372 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1374 * doc/install.texi2html: Use set -e.
1376 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1378 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1379 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1380 * doc/invoke.texi (-fshared-data): Delete.
1381 * common.opt (fshared-data): Delete.
1382 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1383 (assemble_static_space): Remove #if 0 code.
1384 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1385 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1386 * config/cris/cris.h: Remove FIXME.
1388 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1390 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1393 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1396 * combine.c (simplify_shift_const_1): Disable nested shifts
1397 optimization for vector shifts.
1399 2006-02-20 Roger Sayle <roger@eyesopen.com>
1401 PR tree-optimization/26361
1402 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1403 of unsigned integer types.
1405 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1407 * tree-chrec.c (eq_evolutions_p): New.
1408 * tree-chrec.h (eq_evolutions_p): Declared.
1409 * tree-data-ref.c: Fix formatting.
1410 (datadep_stats, dependence_stats): New.
1412 (print_direction_vector): New.
1413 (dump_data_dependence_relation): Use print_direction_vector.
1414 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1415 (compute_subscript_distance): Static.
1416 (initialize_data_dependence_relation): Static. Get the number
1417 of loops surrounding the references from the callers, and initialize
1418 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1419 base_object_differ_p analyzers.
1420 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1421 compute_overlap_steps_for_affine_1_2,
1422 analyze_subscript_affine_affine): Count the classified dependences.
1423 Print a message when a test failed.
1424 (can_use_analyze_subscript_affine_affine): New.
1425 (analyze_siv_subscript): Compute the data dependences on symbolic
1426 scevs that verify can_use_analyze_subscript_affine_affine.
1427 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1428 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1429 Handle symbolic scevs.
1430 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1432 (subscript_dependence_tester): Moved...
1433 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1434 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1435 DDR_SIZE_VECT instead of getting it in parameter.
1436 (subscript_dependence_tester): ... here. Take as a parameter
1437 loop_nest_depth. Call build_classic_dist_vector and
1438 build_classic_dir_vector.
1439 (compute_affine_dependence): Update subscript_dependence_tester
1440 parameters. Update datadep_stats counters. Call
1441 compute_subscript_distance.
1442 (compute_self_dependence): Save the dist and dir vectors. Call
1443 compute_subscript_distance.
1444 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1445 (compute_all_dependences): Reorder parameters as they were before
1446 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1447 compute_subscript_distance. Update the use of
1448 compute_affine_dependence and initialize_data_dependence_relation.
1449 (find_data_references_in_loop): Handle COMPONENT_REF.
1450 (compute_data_dependences_for_loop): Initialize dependence_stats.
1451 Don't call build_classic_dist_vector and build_classic_dir_vector.
1452 Update the parameters of initialize_data_dependence_relation and
1453 compute_all_dependences. Print the statistics from datadep_stats.
1454 (analyze_all_data_dependences): Static. Not used until the pass for
1455 checking the data dependences is contributed.
1456 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1457 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1458 (initialize_data_dependence_relation, compute_affine_dependence,
1459 analyze_all_data_dependences, compute_subscript_distance): Removed.
1460 (print_direction_vector): New.
1461 * lambda.h (gcd): ... here.
1462 (lambda_vector_gcd): Moved here from gcd_vector.
1463 * lambda-code.c (gcd, gcd_vector): Removed.
1464 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1465 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1467 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1469 * ipa-type-escape.c: Tidy some comments and white space.
1470 * tree-ssa-operands.c: Likewise.
1472 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1475 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1476 (dump_decl_name): Do not walk the decl tree chains.
1477 * tree-pass.h (TDF_CHAIN): Remove.
1479 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1481 * Makefile.in (C): Remove
1483 (.PHONY): Remove C and PROTO
1485 2006-02-20 Roger Sayle <roger@eyesopen.com>
1488 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1489 deprecated CHAR_TYPE tree code.
1491 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1493 * configure.ac (target_list): Add install-info, dvi, html.
1494 * configure: Regenerate.
1496 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1497 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1498 treelang/Make-lang.in: Do not use double-colon rules.
1500 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1502 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1503 (TMT_USED_ALONE): New macro.
1504 * tree-pass.h (PROP_tmt_usage): New property.
1505 (TODO_update_tmt_usage): New todo.
1506 * tree-ssa-alias.c (updating_used_alone): New variable.
1507 (recalculate_used_alone): New function.
1508 (compute_may_aliases): Set updating_used_alone, call
1509 recalculate_used_alone.
1510 * tree-sra.c (pass_sra): Note that this pass destroys
1511 PROP_tmt_usage, and add TODO_update_tmt_usage.
1512 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1513 * tree-flow.h (updating_used_alone): Prototype.
1514 (recalculate_used_alone): Ditto.
1515 * passes.c (execute_todo): Add code to set updating_used_alone,
1516 and call recalculate.
1517 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1518 for clobber if used alone, and add assert to verify used_alone
1521 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1523 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1524 for non tls symbols added.
1525 (legitimize_address): Do nothing for PLUS expressions if one of the
1526 addends is a tls symbol reference.
1528 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1532 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1534 * Makefile.in (BOOTSTRAPPING): New.
1535 (quickstrap): New definition if BOOTSTRAPPING=yes.
1537 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1538 * configure.ac: Substitute all_selected_languages with the languages
1539 that were configured. For all the other variables except
1540 lang_specs_files, include all the languages in the tree.
1541 * configure: Regenerate.
1543 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1544 if there is one. Run the commands to run fixincludes in the same
1547 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1548 * doc/install.texi: Document exact conventions for searching target tools.
1549 Document --with-build-time-tools. Document toplevel bootstrap. Document
1550 something more about building an Ada cross-compiler. Don't list GNU Make
1551 requirements which affect all platforms.
1553 2006-02-19 Roger Sayle <roger@eyesopen.com>
1556 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1557 only equivalent if the have both the same mode and precision.
1559 2006-02-20 Ben Elliston <bje@au.ibm.com>
1561 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1563 2006-02-19 Roger Sayle <roger@eyesopen.com>
1564 Steven Bosscher <stevenb.gcc@gmail.com>
1566 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1567 constant pool references to identify stack mode constants.
1568 * rtlanal.c (constant_pool_constant_p): New predicate to check
1569 whether operand is a floating point constant in the pool.
1570 * rtl.h (constant_pool_constant_p): Prototype here.
1571 * loop.c (scan_loop): Avoid hoisting constants from the constant
1572 pool on STACK_REGS targets.
1573 (load_mems): Likewise.
1574 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1575 loads into x87 registers expensive in terms of register pressure.
1577 2006-02-19 Roger Sayle <roger@eyesopen.com>
1579 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1580 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1582 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1584 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1585 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1587 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1589 * doc/invoke.texi: Document -fipa-pta.
1590 * common.opt: Add ipa-pta option.
1591 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1592 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1593 (do_ds_constraint): Ditto.
1594 (get_constraint_for): Only add to referenced_vars if
1595 referenced_vars exists.
1596 (insert_into_field_list): Rewrite to do this unsorted.
1597 (insert_into_field_list_sorted): Rename old insert_into_field_list
1599 (create_function_info_for): Use insert_into_field_list_sorted.
1600 (create_variable_info_for): Rewrite so it uses unsorted version,
1601 since the field list is sorted.
1602 (intra_create_variable_infos): Only add to referenced_vars if
1603 referenced_vars exists.
1604 (ipa_pta_execute): Init heapvars, and delete when done.
1605 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1607 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1609 * doc/install.texi: Add missing `@samp'.
1611 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1613 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1616 2006-02-18 Mark Wielaard <mark@klomp.org>
1618 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1619 who added new 4.1 features, bug fixes and integration support.
1621 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1624 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1627 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1629 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1630 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1631 (copy_insn_1): Likewise. Don't copy each field individually.
1633 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1635 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1636 * rtl.c (rtx_size): Rename variable to...
1637 (rtx_code_size): ...this.
1638 (rtx_size): New function.
1639 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1640 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1642 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1643 * rtl.h (rtx_code_size): New variable.
1644 (rtx_size): Change from a variable to a function.
1645 (RTX_SIZE): Rename to...
1646 (RTX_CODE_SIZE): ...this.
1649 PR tree-optimization/17106
1650 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1651 (Anchored Addresses): New section.
1652 * doc/invoke.texi (-fsection-anchors): Document.
1653 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1654 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1655 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1656 * hooks.c (hook_bool_mode_rtx_false): New function.
1657 * hooks.h (hook_bool_mode_rtx_false): Declare.
1658 * gengtype.c (create_optional_field): New function.
1659 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1660 SYMBOL_REF_IN_BLOCK_P is true.
1661 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1662 (min_anchor_offset, max_anchor_offset): Likewise.
1663 (use_anchors_for_symbol_p): New hook.
1664 * toplev.c (compile_file): Call output_object_blocks.
1665 (target_supports_section_anchors_p): New function.
1666 (process_options): Check that -fsection-anchors is only used on
1667 targets that support it and when -funit-at-a-time is in effect.
1668 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1669 if the decl doesn't have one.
1670 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1671 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1672 of force_const_mem through use_anchored_address.
1673 (expand_expr_constant): New function.
1674 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1675 calling expand_expr for INDIRECT_REF.
1676 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1677 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1678 * expr.h (use_anchored_address): Declare.
1679 * loop-unroll.c: Don't declare rtx vectors here.
1680 * explow.c: Include output.h.
1681 (validize_mem): Call use_anchored_address.
1682 (use_anchored_address): New function.
1683 * common.opt (-fsection-anchors): New switch.
1684 * varasm.c (object_block_htab, anchor_labelno): New variables.
1685 (hash_section, object_block_entry_eq, object_block_entry_hash)
1686 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1687 (use_blocks_for_decl_p, change_symbol_section): New functions.
1688 (get_variable_section): New function, split out from assemble_variable.
1689 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1690 use_blocks_for_decl_p say so. Use change_symbol_section if the
1691 symbol has already been created.
1692 (assemble_variable_contents): New function, split out from...
1693 (assemble_variable): ...here. Don't output any code for
1694 block symbols; just pass them to place_block_symbol.
1695 Use get_variable_section and assemble_variable_contents.
1696 (get_constant_alignment, get_constant_section, get_constant_size): New
1697 functions, split from output_constant_def_contents.
1698 (build_constant_desc): Create a block symbol if use_object_blocks_p
1699 says so. Or into SYMBOL_REF_FLAGS.
1700 (assemble_constant_contents): New function, split from...
1701 (output_constant_def_contents): ...here. Don't output any code
1702 for block symbols; just pass them to place_section_symbol.
1703 Use get_constant_section and get_constant_alignment.
1704 (force_const_mem): Create a block symbol if use_object_blocks_p and
1705 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1706 (output_constant_pool_1): Add an explicit alignment argument.
1707 Don't switch sections here.
1708 (output_constant_pool): Adjust call to output_constant_pool_1.
1709 Switch sections here instead. Don't output anything for block symbols;
1710 just pass them to place_block_symbol.
1711 (init_varasm_once): Initialize object_block_htab.
1712 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1713 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1714 (place_block_symbol, get_section_anchor, output_object_block)
1715 (output_object_block_htab, output_object_blocks): New functions.
1716 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1717 (TARGET_ASM_OUT): Include it.
1718 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1719 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1720 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1721 (TARGET_INITIALIZER): Include them.
1722 * rtl.c (rtl_check_failed_block_symbol): New function.
1723 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1724 (block_symbol, object_block): New structures.
1725 (rtx_def): Add a block_symbol field to the union.
1726 (BLOCK_SYMBOL_CHECK): New macro.
1727 (rtl_check_failed_block_symbol): Declare.
1728 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1729 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1730 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1731 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1732 * output.h (output_section_symbols): Declare.
1733 (object_block): Name structure.
1734 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1735 (default_use_anchors_for_symbol_p): Declare.
1736 * Makefile.in (RTL_BASE_H): Add vec.h.
1737 (explow.o): Depend on output.h.
1738 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1739 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1740 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1741 (rs6000_use_blocks_for_constant_p): New function.
1743 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1745 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1747 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1750 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1753 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1755 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1759 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1762 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1763 instead of DECL_REGISTER.
1765 2006-02-18 Olivier Hainque <hainque@adacore.com>
1768 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1770 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1773 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1774 * opth-gen.awk: Handle Var and InverseMask together.
1775 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1776 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1777 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1778 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1780 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1781 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1782 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1783 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1784 LINUX_DYNAMIC_LINKER): Define.
1785 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1786 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1788 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1789 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1790 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1791 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1792 (TARGET_C99_FUNCTIONS): Don't define.
1793 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1794 GLIBC_DYNAMIC_LINKER.
1795 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1796 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1797 GLIBC_DYNAMIC_LINKER64): Define.
1798 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1799 LINUX_DYNAMIC_LINKER64.
1800 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1801 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1802 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1803 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1804 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1805 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1806 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1807 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1808 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1809 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1810 and LINUX_DYNAMIC_LINKER32.
1811 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1812 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1813 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1814 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1815 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1817 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1818 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1819 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1820 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1821 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1822 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1823 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1824 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1825 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1826 LINUX_DYNAMIC_LINKER): Define.
1827 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1828 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1829 GLIBC_DYNAMIC_LINKER64): Define.
1830 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1831 LINUX_DYNAMIC_LINKER64.
1832 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1833 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1834 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1835 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1836 LINUX_DYNAMIC_LINKER): Define.
1837 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1838 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1839 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1840 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1841 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1842 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1843 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1844 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1845 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1846 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1847 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1848 * doc/invoke.texi (-muclibc): Remove caveat about supported
1851 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1853 * doc/cpp.texi (__TIMESTAMP__): Document.
1855 2006-02-17 Roger Sayle <roger@eyesopen.com>
1858 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1859 C is one less than the width of X (and related transformations).
1860 * simplify-rtx.c (simplify_unary_operation_1): Transform
1861 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1862 depending on STORE_FLAG_VALUE, were C is one less then the
1865 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1867 Fix PR tree-optimization/26341
1868 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1869 about NAME_MEMORY_TAG's.
1871 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1874 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1875 with hardware float support, and software float support. Add fcpy
1876 alternative to hardware patterns. Add alternatives to copy between
1877 general and floating-point registers to the 32-bit pattern.
1878 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1879 secondary reload to load a QI or HI mode constant into a floating
1881 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1882 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1884 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1887 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1889 (load_macho_picbase_di): Likewise.
1891 2006-02-16 Jeff Law <law@redhat.com>
1893 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1894 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1895 (ssa_name_nonzero_p): Likewise.
1896 (get_value_range): Return NULL if VRP is not running.
1897 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1898 VRP routines do not discover a range.
1899 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1900 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1901 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1902 (tree_expr_nonnegative_p): Similarly.
1903 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1904 (restore_nonzero_vars_to_original_value): Remove.
1905 (unsafe_associative_fp_binop): Remove.
1906 (tree_ssa_dominator_optimize): Remove initialization and
1907 finalization of nonzero_vars and nonzero_vars_stack.
1908 (dom_opt_initialize_block): No longer push marker on
1910 (dom_opt_finalize_block): No longer call
1911 restore_nonzero_vars_to_original_value.
1912 (record_equivalences_from_phis): No longer look for
1913 nonzero PHI arguments.
1914 (cprop_into_successor_phis): No longer propagate nonzero
1915 property into PHI arguments. Lose unused argument. Caller
1917 (record_equivalences_from_stmt): No longer record nonzero
1918 values for SSA_NAMEs.
1919 (lookup_avail_expr): No longer use nonzero_vars.
1921 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1922 for sizetype when sizetype is unsigned.
1924 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1926 PR rtl-optimization/25603
1927 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1928 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1929 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1930 with new meaning of SETS.
1932 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1937 * config/linux.opt: New file.
1938 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1939 LINUX_DYNAMIC_LINKER): Define.
1940 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1941 * config.gcc (*-*-linux*): Define extra_options.
1942 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1943 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1944 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1945 GLIBC_DYNAMIC_LINKER.
1946 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1947 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1948 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1949 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1950 * doc/invoke.texi (GNU/Linux Options): New section.
1952 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1954 * config/sparc/sparc.md (setjmp): Rewrite.
1955 (setjmp_32): Delete.
1956 (setjmp_64): Likewise.
1958 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1960 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1963 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1965 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1968 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1970 PR rtl-optimization/26296
1971 * Makefile.in (loop-invariant.c): Add except.h dependency.
1972 * loop-invariant.c: Include except.h.
1973 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1975 2005-02-16 Paul Brook <paul@codesourcery.com>
1977 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1980 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1982 PR rtl-optimization/25636
1983 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1984 when deciding whether an insn is an initializing insn.
1986 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1988 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1989 (tree_code_size): Ditto.
1990 * tree.h (struct tree_memory_tag): Remove parent_var.
1991 (struct tree_struct_field_tag): New.
1994 (union tree_node): Add sft member.
1995 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1997 (create_sft): Add size and offset argument, set SFT_OFFSET and
1999 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2000 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2001 * tree-flow-inline.h (get_subvar_at): Update for
2002 SFT_OFFSET/SFT_SIZE.
2003 (var_can_have_subvars): Ditto.
2004 (overlap_subvar): Ditto.
2005 * print-tree.c (print_node): Print out interesting things for
2007 * tree-flow.h (struct subvar): Remove offset and size members.
2008 * tree-ssa-operands.c (get_expr_operands): Update for
2009 get_indirect_ref_operands changes.
2010 (get_indirect_ref_operands): Call add_virtual_operand instead of
2011 add_stmt_operand. Only recurse on base var if requested.
2012 (access_can_touch_variable): New function.
2013 (add_stmt_operand): Split virtual operand handling into ...
2014 (add_virtual_operand): Here. Add offset, size, and for_clobber
2015 arguments. Prune alias sets.
2016 (add_call_clobber_ops): Call add_virtual_operand.
2018 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2021 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2023 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2024 than TREE_CODE as index into omp_clause_num_ops array.
2026 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2028 PR rtl-optimization/26184
2029 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2031 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2032 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2033 must_precede, must_follow and tobe_scheduled.
2036 * opts.c (common_handle_option): Free new_option pointer.
2037 * df-core.c (df_analyze): Free postorder pointer.
2039 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2041 * Makefile.in: Fix the examples about the use of stamps
2043 2006-02-15 Michael Matz <matz@suse.de>
2047 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2048 influenced by maximum_field_alignment or DECL_PACKED.
2049 (update_alignment_for_field): Ditto.
2050 (place_field): Ditto.
2051 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2054 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2056 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2057 (debug_flow_info): Pass it.
2058 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2059 * bb-reorder.c (reorder_basic_blocks): Likewise.
2060 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2061 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2062 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2063 * gcse.c (gcse_main, bypass_jumps): Likewise.
2064 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2065 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2066 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2067 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2068 * rtl.h (dump_flow_info): Adjust prototype.
2069 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2070 * var-tracking.c (variable_tracking_main): Likewise.
2071 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2072 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2075 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2077 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2080 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2082 PR tree-optimization/26209
2083 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2084 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2086 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2088 2006-02-14 Roger Sayle <roger@eyesopen.com>
2091 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2092 (X,Y) and the corresponding symmetry related transformations.
2093 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2094 (X,Y) and its symmetry related transformations.
2096 2006-02-14 Roger Sayle <roger@eyesopen.com>
2098 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2101 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2103 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2105 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2108 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2109 support COMDAT group.
2110 * configure: Regenerate.
2112 2006-02-14 Roger Sayle <roger@eyesopen.com>
2117 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2119 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2121 Fix PR tree-optimization/26260
2123 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2125 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2126 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2127 * tree-ssa-structalias.c (create_variable_info_for): Use
2128 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2130 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2132 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2134 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2135 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2136 of the ending condition.
2137 * tree-ssa-loop-manip.c: Include params.h.
2138 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2139 tree_unroll_loop): New functions.
2140 * tree-pass.h (pass_loop_prefetch): Declare.
2141 * loop.c (rest_of_handle_loop_optimize): Test for
2142 -fprefetch-loop-arrays-rtl.
2143 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2144 * timevar.def (TV_TREE_PREFETCH): New timevar.
2145 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2146 pass_loop_prefetch): New.
2147 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2148 (cleanup_tree_cfg_loop): Call scev_reset.
2149 * common.opt (fprefetch-loop-arrays-rtl): Add.
2150 * tree-ssa-loop-prefetch.c: New file.
2151 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2152 (new_temp_expr_table): Initialize expr_vars.
2153 (free_temp_expr_table): Cleanup expr_vars.
2154 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2155 expressions from being merged into one.
2156 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2157 (struct tree_niter_desc): Add control, bound and cmp fields.
2158 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2160 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2161 (tree-cfgcleanup.o): Add SCEV_H dependency.
2162 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2163 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2165 2006-02-14 Richard Guenther <rguenther@suse.de>
2167 PR tree-optimization/26258
2168 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2169 in PHI argument processing.
2171 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2173 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2174 new expression in the requested machine mode.
2176 2006-02-13 Roger Sayle <roger@eyesopen.com>
2178 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2179 directly, instead let do_compare_rtx_and_jump handle this for us.
2180 * expr.c (expand_expr_real_1): Likewise.
2181 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2182 before do_jump_by_parts_greater.
2183 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2184 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2186 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2188 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2190 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2192 PR rtl-optimization/26235
2193 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2194 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2197 2006-02-13 Jeff Law <law@redhat.com>
2199 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2202 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2205 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2206 twice if decl is a builtin. When trying again, call get_callee_fndecl
2207 first to verify it is still a builtin.
2209 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2211 * dwarf2out.c (base_type_die): Don't add AT_name here.
2212 (subrange_type_die): Don't add AT_name here.
2213 (modified_type_die): Rearrange code flow. Do add AT_name here.
2215 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2217 PR rtl-optimization/26247
2218 PR rtl-optimization/26248
2219 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2221 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2223 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2224 * config/fixtfdi.c: Likewise.
2225 * config/fixunstfdi.c: Likewise.
2226 * config/floatditf.c: Likewise.
2228 2006-02-13 Roger Sayle <roger@eyesopen.com>
2231 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2232 into (X,C2) if C1 is a subset of the bits of C2. Transform
2233 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2235 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2237 2006-02-13 Josh Conner <jconner@apple.com>
2240 * varasm.c (function_section): Check for section name before
2241 calling select_section on targets that define
2242 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2243 unlikely_text_section instead of hot_function_section if
2244 first_function_block_is_cold.
2246 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2249 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2251 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2253 PR rtl-optimization/26222
2254 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2255 after tree->rtl expansion.
2256 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2257 before passing it to emit_move_insn.
2259 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2261 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2263 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2264 Clarify documentation.
2265 * c-common.h (warn_write_strings): Remove.
2266 * c-common.c (warn_write_strings): Likewise.
2267 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2270 2006-02-12 Roger Sayle <roger@eyesopen.com>
2273 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2274 (do_jump_parts_zero_rtx): New function renamed from
2275 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2276 (do_jump_parts_equality_rtx): New function split out from
2277 do_jump_parts_equality. Old implementation renamed as above.
2278 Call do_jump_parts_zero_rtx if either operand is zero.
2279 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2280 do all of the heavy lifting.
2281 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2282 calling either do_jump_by_parts_greater_rtx or
2283 do_jump_by_parts_equality_rtx.
2284 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2285 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2286 moved to do_compare_rtx_and_jump, call it directly.
2287 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2288 mode argument. Call do_compare_rtx_and_jump.
2289 (emit_case_nodes): Update calls to do_jump_if_equal.
2291 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2293 PR rtl-optimization/26225
2294 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2296 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2298 PR rtl-optimization/26232
2299 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2301 2006-02-11 Jason Merrill <jason@redhat.com>
2304 * tree-inline.c (declare_return_variable): Just don't use the
2305 modify target if it's a gimple complex reg and the return slot
2308 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2310 * doc/contrib.texi: Update my entry.
2312 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2314 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2316 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2318 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2321 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2323 * doc/invoke.texi (-floop-optimize2): Removed.
2324 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2325 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2326 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2327 * common.opt (floop-optimize2): Removed.
2328 (fmove-loop-invariants): Enabled by default.
2330 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2332 * tree-if-conv.c (combine_blocks): Free the result of
2333 get_loop_exit_edges.
2335 2006-02-10 Jeff Law <law@redhat.com>
2337 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2339 PR tree-optimization/26213
2340 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2341 loop trying to follow SSA_NAME_VALUE chains.
2343 2006-02-10 Richard Guenther <rguenther@suse.de>
2345 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2346 deal with structures that end in implicitly variable sized arrays.
2348 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2350 PR rtl-optimization/24762
2351 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2354 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2356 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2357 (struct ivopts_data): Add regs_used field.
2358 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2359 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2360 instead of loop_data->regs_used;
2361 (free_loop_data): Do not free aux fields for loops.
2362 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2363 and tree_ssa_iv_optimize_finalize.
2365 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2367 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2369 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2372 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2373 computing the effective result type.
2375 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2378 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2379 (tree_overlaps_hard_reg_set): Declare.
2380 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2381 type and signature to match function type expected by walk_tree.
2382 (tree_overlaps_hard_reg_set): New function.
2383 (decl_conflicts_with_clobbers_p): Rename to:
2384 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2385 Use tree_overlaps_hard_reg_set. Changed caller.
2386 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2387 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2388 * cris.c (cris_md_asm_clobbers): Likewise.
2390 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2392 * reload1.c (emit_input_reload_insns): Delete code that tries to
2393 inherit using find_equiv_reg.
2395 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2397 * c-common.h (flag_const_strings): Don't declare.
2398 * c-common.c (flag_const_strings): Remove.
2399 * c.opt (fconst_strings): Remove.
2400 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2401 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2402 (c_common_init_options): Don't set flag_const_strings.
2403 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2405 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2407 * arm.md (tlobits_cbranch): New pattern.
2408 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2409 testing a single bit.
2411 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2414 * tree-ssa-pre.c (create_component_ref_by_pieces):
2415 Handle RETURN_DECL like VAR_DECL.
2417 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2420 * fold-const.c (fold_indirect_ref_1): Fold
2421 "*(foo *)&complexfoo" to "__real__ complexfoo"
2422 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2424 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2426 * tree-flow-inline.h (var_can_have_subvars):
2427 Volatile variables should not have subvariables.
2429 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2432 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2433 multiplying unsigned values.
2436 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2438 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2440 2006-02-08 Jason Merrill <jason@redhat.com>
2443 * tree.def: Elaborate on difference from MODIFY_EXPR.
2444 * doc/c-tree.texi (INIT_EXPR): Likewise.
2445 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2446 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2447 (gimplify_target_expr): Likewise.
2448 (gimplify_cond_expr): Remove target handling.
2449 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2450 (gimplify_expr): Clobber it here.
2451 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2452 Do return slot optimization if we have an INIT_EXPR.
2455 * tree-inline.c (declare_return_variable): Also clear
2456 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2459 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2462 * gimplify.c (gimplify_one_sizepos): Fix typo.
2464 2006-02-08 Jeff Law <law@redhat.com>
2466 PR tree-optimization/21417
2467 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2468 across a backedge if the control statement at the end of the
2469 block is data dependent on other statements in the same block.
2470 (record_temporary_equivalences_from_stmts): Remove over-conservative
2471 test for threading across backedges.
2473 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2474 control statement, handle all three special cases in the same
2475 manner as they all have the same desired solution. No longer
2476 special case edge flag updating when the post dominator is
2479 2006-02-08 Roger Sayle <roger@eyesopen.com>
2481 * tree.def (CHAR_TYPE): Remove.
2482 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2483 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2484 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2485 (gen_string_type_die): Delete unreachable function.
2487 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2488 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2489 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2490 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2491 * builtins.c (type_to_class): Likewise.
2492 * fold-const.c (fold_convert, build_range_check,
2493 merge_ranges): Likewise.
2494 * expr.c (count_type_elements): Likewise.
2495 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2496 * stor-layout.c (layout_type): Likewise.
2497 * ipa-type-escape.c (type_to_consider): Likewise.
2498 * gimplify.c (omp_firstprivatize_type_sizes,
2499 gimplify_type_sizes): Likewise.
2500 * explow.c (promote_mode): Likewise.
2501 * tree-sra.c (is_sra_scalar_type): Likewise.
2502 * varasm.c (output_constant): Likewise.
2503 * tree-inline.c (remap_type_1): Likewise.
2504 * convert.c (convert_to_pointer, convert_to_real,
2505 convert_to_integer, convert_to_complex): Likewise.
2507 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2509 * df-scan.c (df_def_record_1): A set destination may
2510 be a parallel regardless of mode.
2512 2006-02-08 Roger Sayle <roger@eyesopen.com>
2515 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2516 * config/mips/_tilib.c: Remove.
2517 * config/fixtfdi.c: New libgcc source file.
2518 * config/fixunstfdi.c: New source file.
2519 * config/floatditf.c: New source file.
2520 * config/floatunditf.c: New souce file.
2521 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2522 files above instead of config/mips/_tilib.c.
2523 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2525 2006-02-08 Jeff Law <law@redhat.com>
2527 PR tree-optimization/26169
2528 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2531 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2533 * df.h (DF_REG_SIZE): Return the length of the initialized
2536 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2538 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2539 __muldf3): Return a correctly signed zero.
2541 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2543 * passes.c (register_one_dump_file): Accept the current properties
2544 instead of pass number. Adjust call to dump_register. Remove
2546 (register_dump_files): Now a wrapper around...
2547 (register_dump_files_1): ... this one. Do not modify the pass
2549 (next_pass_1): Cosmetic fix.
2550 (execute_todo): Keep second parameter only. Use curr_properties
2551 instead of fetching it from the pass structure. Check and set
2553 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2554 instead of fetching it from the pass structure. Fix calls to
2555 execute_todo. Update curr_properties and initialize .vcg RTL dump
2556 after running the pass. Reset last_verified.
2557 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2559 (FIRST_AUTO_NUMBERED_DUMP): New.
2560 (dump_register): Remove "num" parameter, assign it within the
2562 (get_dump_file_name): Modify template for dumps.
2563 * tree-dump.h (dump_register): Adjust prototype.
2564 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2565 (PROP_trees): Add PROP_gimple_lomp.
2566 (TODO_set_props): New.
2567 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2568 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2569 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2571 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2573 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2574 (sparc64-*-linux*): Likewise.
2575 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2576 * config/sparc/t-linux: New file.
2577 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2578 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2579 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2580 -m32 -mlong-double-128.
2582 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2583 * config/alpha/t-linux: New file.
2584 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2586 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2587 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2588 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2589 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2590 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2591 (CPP_ARCH32_SPEC): Remove.
2593 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2595 PR tree-optimization/26145
2596 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2599 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2602 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2603 >= 240000 when generating code for SOM runtime.
2604 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2605 to $$dyncall when generating code for SOM runtime..
2607 2006-02-07 Dirk Mueller <dmueller@suse.com>
2610 * doc/invoke.texi (-Wsequence-point): Update documentation
2611 that -Wsequence-point is implemented for C++ as well.
2613 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2615 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2616 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2617 (LIB_SPEC): Likewise.
2618 * doc/invoke.texi (SPARC options): Document -pthread.
2620 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2622 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2625 2006-02-07 Roger Sayle <roger@eyesopen.com>
2627 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2628 Correct comment describing BOOLEAN_TYPE.
2630 2006-02-07 Dirk Mueller <dmueller@suse.com>
2632 * c.opt: C++ frontend supports -Wdiv-by-zero.
2633 * c-opts.c (c_common_handle_option): Remove dead case.
2635 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2637 * configure.ac (TLS assembler check): Do not enable TLS by
2638 default on SPARC/Solaris before version 10.
2639 * configure: Regenerate.
2641 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2643 * doc/invoke.texi (xl-compat): Document conversion and support
2646 2006-02-07 Jeff Law <law@redhat.com>
2648 * tree-vrp.c (find_conditional_asserts): Update comments.
2649 (simplify_stmt_for_jump_threading): New.
2650 (identify_jump_threads, finalize_jump_threads): New.
2651 (vrp_finalize): Call identify_jump_threads.
2652 (execute_vrp): Call finalize_jump_threads.
2653 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2654 (vrp_element, vrp_data, vrp_element_p): Remove.
2655 (vrp_hash_elt, vrp_variables_stack): Remove.
2656 (vrp_hash, vrp_eq, record_range): Remove.
2657 (simplify_cond_and_lookup_avail_expr): Remove.
2658 (extract_range_from_cond): Remove.
2659 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2660 (simplify_stmt_for_jump_threading): New.
2661 (dom_thread_across_edge): New wrapper.
2662 (tree_ssa_dominator_optimize): No longer initialize or
2663 finalize any of the VRP datastructures. Remove iteration
2664 step and simplify as a result of removal of iteration step.
2665 (pass_dominator): Perform a cfg cleanup after DOM.
2666 (dom_opt_finalize_block): Use the new common routines
2667 for threading jumps. Simplify stack management slightly.
2668 No longer need to unwind VRP state.
2669 (record_equivalences_from_incoming_edge): No longer record
2671 (eliminate_redundant_computations): No longer call
2672 simplify_cond_and_lookup_avail_expr.
2673 * tree-flow.h (potentially_threadable_block): Prototype.
2674 (thread_across_edge): Likewise.
2675 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2676 (tree-ssa-threadedge.o): Add dependencies.
2677 * tree-ssa-threadedge.c: New file.
2678 * passes.c (init_optimization_passes): Merge PHIs before
2679 calling VRP. Run VRP again late in the SSA optimization pipeline.
2681 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2683 * df-core.c (df_set_blocks): Do not dereference function pointers.
2684 (df_finish1): Likewise.
2685 (df_hybrid_search_forward): Likewise.
2686 (df_hybrid_search_backward): Likewise.
2687 (df_iterative_dataflow): Likewise.
2688 (df_analyze_problem): Likewise.
2689 (df_compact_blocks): Likewise.
2690 (df_dump): Likewise.
2691 * df-scan.c (df_rescan_blocks): Likewise.
2692 (df_record_entry_block_defs): Likewise.
2694 * genconditions.c (write_conditions): Guard the definition of
2695 'insn_conditions' with the check on GCC version.
2696 (write_writer): Guard the traversal 'insn_conditions' with
2697 the check on GCC version.
2699 2006-02-07 Richard Guenther <rguenther@suse.de>
2703 2006-01-30 Richard Guenther <rguenther@suse.de>
2705 * gimplify.c (gimplify_target_expr): Handle easy cases
2706 without creating a temporary.
2708 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2710 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2711 use of float in probability computations. Use edge probabilities
2712 in place of statically computed probabilities.
2713 (min_spec_prob): New static variable.
2714 (schedule_insns): Initialize it.
2715 (GET_SRC_PROB): Removed.
2716 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2718 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2721 * config/ia64/unwind-ia64.c: Revert last change.
2722 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2723 (INCOMING_FRAME_SP_OFFSET): Define.
2725 2006-02-06 Roger Sayle <roger@eyesopen.com>
2727 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2729 2006-02-07 Ben Elliston <bje@au.ibm.com>
2731 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2732 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2733 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2734 (ix86_return_in_memory): Handle TDmode.
2735 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2736 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2738 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2740 * reorg.c (dbr_schedule): Use dump_file instead of file.
2742 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2745 * config/ia64/predicates.md (extr_len_operand): New predicate.
2746 * config/ia64/ia64.md (extv): Tighten constraints.
2748 (*tbit_and_2): Ditto.
2749 (*tbit_and_3): Ditto.
2750 (*tbit_or_2): Ditto.
2751 (*tbit_or_3): Ditto.
2755 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2758 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2760 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2762 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2763 loop_optimizer_init and loop_optimizer_finalize
2764 * tree-ssa-sink.c (execute_sink_code): Ditto.
2765 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2766 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2767 tree_ssa_loop_done): Ditto.
2768 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2769 * sched-ebb.c: Include output.h.
2770 (schedule_ebbs): Do not use dump argument.
2771 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2772 * loop.c (loop_dump_stream): Removed.
2773 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2775 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2776 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2777 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2778 loop_iterations, strength_reduce, record_biv, record_giv,
2779 final_giv_value, check_final_value, check_ext_dependent_givs,
2780 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2781 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2782 dump_file instead of loop_dump_stream.
2783 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2785 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2787 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2788 * haifa-sched.c: Include output.h
2789 (schedule_insns, sched_init): Do not use dump argument.
2790 * mode-switching.c (optimize_mode_switching): Ditto.
2791 * modulo-sched.c (stats_file): Removed.
2792 (print_node_sched_params): Do not call argument dump_file.
2793 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2794 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2796 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2798 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2799 rtl_loop_init, rtl_loop_done): Ditto.
2800 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2801 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2803 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2804 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2805 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2806 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2807 * emit-rtl.c (renumber_insns): Ditto.
2808 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2809 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2810 * regclass.c (regclass): Ditto.
2811 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2812 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2813 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2814 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2816 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2817 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2819 * gcse.c (gcse_file, debug_stderr): Removed.
2820 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2821 rest_of_handle_gcse): Do not use dump argument.
2822 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2823 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2824 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2825 compute_code_hoist_vbeinout, compute_code_hoist_data,
2826 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2827 compute_store_table, build_store_vectors, insert_insn_start_bb,
2828 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2829 store_motion): Use dump_file instead of gcse_file.
2830 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2831 * profile.c (profile_dump_file): Removed.
2832 (branch_prob): Use dump_file instead of profile_dump_file.
2833 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2835 * tree-ssa-copy.c (dump_copy_of): Ditto.
2836 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2837 dump file to life_analysis.
2838 * bt-load.c (branch_target_load_optimize): Ditto.
2839 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2841 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2842 regclass, dbr_schedule): Declaration changed.
2843 * sched-int.h (sched_init): Declaration changed.
2844 * tree-profile.c (tree_profile_dump_file): Removed.
2845 (tree_profile_hooks): Removed profile_dump_file hook.
2846 * rtl-profile (rtl_profile_dump_file): Removed.
2847 (rtl_profile_hooks): emoved profile_dump_file hook.
2848 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2850 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2851 * tree-cfg.c (build_tree_cfg): Ditto.
2852 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2853 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2854 Declaration changed.
2855 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2856 life_analysis and schedule_insns.
2857 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2859 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2861 * config/mips/mips.c (mips_reorg): Ditto.
2862 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2865 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2867 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2868 (s390_mangle_fundamental_type): New.
2869 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2872 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2873 (alpha_mangle_fundamental_type): New.
2874 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2877 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2879 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2881 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2882 (sparc_mangle_fundamental_type): New.
2884 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2886 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2887 (s390x-*-linux*): Likewise.
2888 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2889 * config/s390/t-linux: New file.
2891 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2893 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2894 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2896 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2898 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2899 (ANTIC_SAFE_LOADS): New macro.
2900 (find_or_generate_expression): Add prototype.
2901 (set_contains_value): Allow null set for sake of not always having
2902 to allocate ANTIC_SAFE_LOADS.
2903 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2904 Allow COMPONENT_REF too.
2905 (valid_in_set): Allow COMPONENT_REF.
2906 Check ANTIC_SAFE_LOADS too.
2907 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2908 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2910 (can_PRE_operation): Add COMPONENT_REF.
2911 (create_component_ref_by_pieces): New function.
2912 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2913 (insert_aux): Move AGGREGATE_TYPE_P check here.
2914 (compute_avail): Set bb local stmt uids.
2915 (pass_pre): Use TODO_update_ssa_only_virtuals.
2917 2006-02-06 Ben Elliston <bje@au.ibm.com>
2919 * configure.ac: Unconditionally disable decimal float by default.
2920 * configure: Regenerate.
2922 2006-02-06 Ben Elliston <bje@au.ibm.com>
2924 * read-rtl.c (read_name): Terminate reading on EOF.
2926 2006-02-06 Ben Elliston <bje@au.ibm.com>
2928 * dfp.c (decimal_real_arithmetic): Change second argument type
2929 from int to enum tree_code. Do not always return true, but now
2930 return result of any call to decimal_do helper functions.
2931 * dfp.h (decimal_real_arithmetic): Update prototype.
2933 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2935 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2937 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2940 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2943 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2945 * tree-vrp.c (cfg_loops): Removed.
2946 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2947 Use current_loops instead of cfg_loops. Pass flags to
2948 loop_optimizer_init.
2949 * cfgloopmanip.c (fix_loop_structure): Update only available
2951 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2952 loop_optimizer_init.
2953 * modulo-sched.c (build_loops_structure): Removed.
2954 (sms_schedule): Use loop_optimizer_init.
2955 * loop-init.c (loop_optimizer_init): Use flags to determine
2956 which properties of loops to prepare.
2957 (rtl_loop_init): Pass flags to loop_optimizer_init.
2958 * tree-ssa-sink.c (execute_sink_code): Ditto.
2959 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2960 * tree-ssa-pre.c (init_pre): Ditto.
2961 * cfgloop.h (LOOPS_NORMAL): New.
2962 (loop_optimizer_init): Declaration changed.
2964 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2966 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2967 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2969 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2971 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2973 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2974 * pa/t-pa64: Delete quadlib.c rule.
2975 * pa/x-ada: Revert last change.
2976 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2978 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2980 PR rtl-optimization/26087
2981 * rtlanal.c (canonicalize_condition): Do not cross basic block
2984 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2987 * config/ia64/ia64.c: Include debug.h.
2988 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2989 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2990 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2991 (process_epilogue, process_set, process_for_unwind_directive):
2992 Output unwind info only if requested. Add CFA info if requested.
2993 Add new arguments as needed. Adjust callers.
2994 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2996 (DWARF2_FRAME_INFO): Define to zero.
2997 * config/ia64/unwind-ia64.c: Remove code that compensated for
2998 the CFA offset error fixed above.
2999 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3000 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3001 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3002 -funwind-tables and -fexceptions to enable frame info.
3003 (dwarf2out_frame_init): Define initial CFA even if
3004 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3005 DWARF2_UNWIND_INFO is nonzero, not just defined.
3006 (dwarf2out_frame_finish): Output non-EH call frame info only
3007 if DWARF2_FRAME_INFO is nonzero.
3008 (convert_cfa_to_loc_list,
3009 compute_frame_pointer_to_cfa_displacement): Define even if
3010 unwind info is not supported.
3011 (gen_subprogram_die): Use the above unconditionally. Remove
3012 legacy alternate code.
3013 * toplev.c (compile_file): Compile in call to
3014 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3015 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3017 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3018 Jakub Jelinek <jakub@redhat.com>
3020 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3021 IBM extended float format long double as "g" on powerpc*-linux.
3023 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3026 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3027 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3029 2006-02-03 Jason Merrill <jason@redhat.com>
3032 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3035 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3036 on the return slot if it's an NRV.
3038 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3040 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3041 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3042 rewrite_use): Do not handle USE_OUTER.
3043 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3044 add_iv_outer_candidates, may_replace_final_value,
3045 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3046 (find_interesting_uses_op): Functionality of
3047 find_interesting_uses_outer_or_nonlin moved here.
3048 (find_interesting_uses_outside): Use find_interesting_uses_op.
3050 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3053 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3055 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3056 Ulrich Weigand <uweigand@de.ibm.com>
3059 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3060 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3061 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3062 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3064 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3065 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3066 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3067 Define secondary reloads for TFmode moves.
3068 (constant_modes): Add TFmode.
3069 (NR_C_MODES): Set to 8.
3070 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3072 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3073 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3074 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3075 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3076 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3077 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3078 (FPR mode macro): Add TFmode.
3079 (DSF mode macro): New.
3080 (<de>, <dee> mode attributes): Removed.
3081 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3082 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3083 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3084 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3085 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3086 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3087 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3088 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3089 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3090 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3091 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3092 "*negabs<mode>2", "sqrt<mode>2"):
3093 Changed <de> to <xde>. R constraint replaced by <Rf>.
3094 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3096 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3097 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3098 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3100 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3101 "extenddftf2", "extendsftf2"): New expanders.
3102 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3103 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3104 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3105 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3107 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3108 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3109 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3110 __floatditf): Add a GCC_4.1.0 symbol version tag.
3111 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3114 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3117 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3118 Use targetm.binds_local_p instead of TREE_PUBLIC.
3120 2006-02-02 Roger Sayle <roger@eyesopen.com>
3122 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3123 on INTEGER_TYPEs to indicate that it denotes a character type.
3124 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3125 signed_char_type_node, unsigned_char_type_node and char_type_node.
3126 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3127 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3128 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3130 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3131 Daniel Berlin <dberlin@dberlin.org>
3133 * tree-tailcall.c (arg_needs_copy_p): New function.
3134 (eliminate_tail_call): Use arg_needs_copy_p.
3135 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3136 (add_virtual_phis): New function.
3138 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3140 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3141 #ignore instead of #scratch for %g7 .register directive.
3143 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3145 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3148 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3150 * flow.c (calculate_global_regs_live): Assert that there aren't any
3153 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3155 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3157 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3158 bsi_after_labels iterator.
3159 * tree-if-conv.c (find_phi_replacement_condition,
3160 replace_phi_with_cond_modify_expr): Likewise.
3161 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3162 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3164 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3166 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3168 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3171 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3172 array after growing it.
3174 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3177 * fold-const.c (fold_checksum_tree): Change type of buf.
3179 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3181 * reload.c (push_secondary_reload): Initialize t_icode.
3183 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3185 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3186 -msoft-float -mlong-double-128 only issue a warning, but don't
3187 swich to DFmode long double.
3189 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3191 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3192 has a constant equivalent, iterate over equivalents for arg0,
3193 calling simplify_relational_operation and if there's a result
3194 cheaper than X, apply fold_rtx and return the result.
3196 2006-02-01 Jan Hubicka <jh@suse.cz>
3198 * opts.c (no_unit_at_a_time_default): New global variable.
3199 (decode_options): Use it.
3200 * opts.h (no_unit_at_a_time_default): Declare.
3202 2006-02-01 Paul Brook <paul@codesourcery.com>
3204 * function.c (assign_parm_setup_reg): Use function argument promotion
3206 * expr.c (expand_expr_real_1): Use function argument promotion rules
3209 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3211 * gcc.c (process_command): Change j to 'unsigned int'.
3213 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3216 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3217 Use the corrected index for the character
3218 out of the string constant.
3220 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3222 * mode-switching.c (optimize_mode_switching): Fix size
3223 allocated for bb_info[n_entities].
3225 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3227 * gcc.c (main): Correct type that is allocated for
3228 explicit_link_files.
3230 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3232 * config/s390/s390.c (init_alignment_context): Set
3233 ALIAS_SET_MEMORY_BARRIER on the MEM.
3234 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3236 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3239 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3241 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3244 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3246 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3247 * regrename.c: Ditto.
3248 * tree-ssa-loop-im.c: Ditto.
3249 * tree-dump.c: Ditto.
3250 * tree-complex.c: Ditto.
3251 * genrecog.c: Ditto.
3252 * tree-ssa-threadupdate.c: Ditto.
3254 * java/class.c: Ditto.
3255 * java/jcf-parse.c: Ditto.
3256 * java/resource.c: Ditto.
3257 * java/except.c: Ditto.
3258 * java/jvspec.c: Ditto.
3259 * java/jcf-write.c: Ditto.
3260 * java/jcf-path.c: Ditto.
3261 * java/gjavah.c: Ditto.
3262 * java/zextract.c: Ditto.
3263 * java/jcf-io.c: Ditto.
3264 * java/jcf.h: Ditto.
3265 * java/buffer.c: Ditto.
3266 * java/lang.c: Ditto.
3267 * java/parse-scan.y: Ditto.
3268 * java/lex.c: Ditto.
3269 * java/lex.h: Ditto.
3270 * cfgloopmanip.c: Ditto.
3271 * postreload-gcse.c: Ditto.
3272 * tree-ssa-loop-manip.c: Ditto.
3273 * postreload.c: Ditto.
3274 * tree-ssa-loop-ch.c: Ditto.
3278 * diagnostic.c: Ditto.
3280 * genoutput.c: Ditto.
3282 * cfghooks.c: Ditto.
3283 * cfgloopanal.c: Ditto.
3284 * objc/objc-act.c: Ditto.
3286 * genextract.c: Ditto.
3287 * genautomata.c: Ditto.
3288 * pretty-print.c: Ditto.
3290 * cgraphunit.c: Ditto.
3293 * haifa-sched.c: Ditto.
3294 * dominance.c: Ditto.
3296 * tree-ssa-loop-ivopts.c: Ditto.
3298 * mode-switching.c: Ditto.
3299 * modulo-sched.c: Ditto.
3301 * ipa-pure-const.c: Ditto.
3303 * fix-header.c: Ditto.
3305 * tree-stdarg.c: Ditto.
3306 * ipa-utils.c: Ditto.
3307 * loop-init.c: Ditto.
3308 * ipa-inline.c: Ditto.
3311 * alloc-pool.c: Ditto.
3312 * dwarf2out.c: Ditto.
3314 * genattrtab.c: Ditto.
3315 * tree-ssa-loop-ivcanon.c: Ditto.
3319 * fortran/gfortranspec.c: Ditto.
3321 * local-alloc.c: Ditto.
3322 * langhooks.c: Ditto.
3323 * function.c: Ditto.
3324 * tree-vectorizer.c: Ditto.
3326 * ipa-type-escape.c: Ditto.
3328 * tree-if-conv.c: Ditto.
3331 * tree-data-ref.c: Ditto.
3332 * loop-unroll.c: Ditto.
3333 * treelang/treetree.c: Ditto.
3336 * ggc-common.c: Ditto.
3338 * coverage.c: Ditto.
3340 * tree-cfgcleanup.c: Ditto.
3341 * tree-ssa-pre.c: Ditto.
3342 * cfgcleanup.c: Ditto.
3343 * loop-invariant.c: Ditto.
3345 * ipa-prop.c: Ditto.
3346 * print-tree.c: Ditto.
3347 * conflict.c: Ditto.
3348 * ggc-page.c: Ditto.
3349 * sched-deps.c: Ditto.
3350 * regclass.c: Ditto.
3351 * tree-object-size.c: Ditto.
3353 * bb-reorder.c: Ditto.
3354 * resource.c: Ditto.
3355 * var-tracking.c: Ditto.
3357 * df-problems.c: Ditto.
3358 * reg-stack.c: Ditto.
3361 * sched-rgn.c: Ditto.
3362 * tree-ssa-structalias.c: Ditto.
3363 * tree-ssa-reassoc.c: Ditto.
3364 * config/darwin-c.c: Ditto.
3365 * config/darwin.c: Ditto.
3366 * config/arm/arm.c: Ditto.
3368 * collect2.c: Ditto.
3371 2006-01-31 Nicolas Pitre <nico@cam.org>
3373 * arm.md (smaxsi3): Make aware of smax_m1.
3376 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3378 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3380 2006-01-31 Richard Guenther <rguenther@suse.de>
3382 * doc/invoke.texi (-msselibm): Document.
3383 * target.h (expand_library_builtin): New target hook.
3384 * builtins.c (expand_builtin): Use expand_library_builtin.
3385 (default_expand_library_builtin): New function.
3386 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3387 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3388 (link_gcc_math_spec): Declare.
3389 (static_specs): Add link_gcc_math_spec.
3390 * expr.h (default_expand_library_builtin): Declare.
3391 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3392 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3393 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3394 * config/i386/i386.opt (msselibm): New target option.
3395 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3396 (ix86_init_sse_abi_builtins): New function.
3397 (ix86_expand_library_builtin): Likewise.
3398 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3399 (override_options): Handle error conditions wrt -msselibm.
3400 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3401 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3402 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3405 2006-01-31 Richard Guenther <rguenther@suse.de>
3406 Paolo Bonzini <bonzini@gnu.org>
3408 * doc/install.texi (--disable-libgcc-math): Document.
3410 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3412 * expr.h (expand_normal): new inline function.
3413 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3415 * dwarf2out.c: use it.
3420 * config/sparc/sparc.c: use it.
3421 * config/i386/i386.c: use it.
3422 * config/rs6000/rs6000.c: use it.
3423 * config/arm/arm.c: use it.
3424 * config/mips/mips.c: use it.
3425 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3427 2006-01-30 Roger Sayle <roger@eyesopen.com>
3429 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3430 argv to the appropriate type.
3432 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3434 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3437 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3440 * config/s390/s390.c (struct machine_function): New flag
3441 decomposed_literal_pool_addresses_ok_p.
3442 (s390_reorg): Set it before final stage of literal pool transforms.
3443 (s390_decompose_address): Only accept displacements of the form
3444 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3446 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3448 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3449 the comparison routine return.
3451 2006-01-30 Michael Matz <matz@suse.de>
3453 * global.c (find_reg): Only evict for global regs.
3454 Take n_refs into account and dump more info.
3456 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3459 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3460 (pragma_trap, pragma_nosave_low_regs): Likewise.
3461 (current_function_anonymous_args): Likewise.
3462 (sh_deferred_function_attributes): New variable.
3463 (sh_deferred_function_attributes_tail): Likewise.
3464 (print_operand): For '@', look up trap_exit attribute.
3465 (calc_live_regs): Look up trapa_handler attribute. For trapa
3466 handlers, save/restore fpscr, but don't do any other
3467 interrupt-specific saves.
3468 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3469 Fix check for partially saved registers to check for SHmedia.
3470 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3471 (sh_output_function_epilogue): Don't clear any of the removed
3473 (sh_insert_attributes): Don't check pragma_interrupt.
3474 Insert deferred attributes. Check that interrupt attribute is
3475 present for other attributes that require its presence.
3476 (sh_attribute_table): Add new attributes trapa_handler and
3478 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3479 Don't check for pragma_interrupt. Don't store argument.
3480 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3481 (sh_deferred_function_attributes): Declare.
3482 (sh_deferred_function_attributes_tail): Likewise.
3483 * sh.md (sp_switch_1): Add operand. Change generator caller.
3484 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3485 (*return_i): Don't use when trap_exit attribute is in effect.
3486 (*return_trapa): New insn pattern.
3488 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3489 setting c_target_objs and cxx_target_objs.
3490 * t-sh: Add rule for sh-c.o.
3492 2006-01-30 Richard Guenther <rguenther@suse.de>
3495 * gimplify.c (gimplify_target_expr): Handle easy cases
3496 without creating a temporary.
3498 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3500 * vec.h (safe_grow): Remove duplicated line.
3502 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3505 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3506 (expand_omp): ... here.
3507 (expand_omp_parallel): Only remove barriers for combined
3508 parallel+workshare constructs.
3510 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3514 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3515 * tree.c (build_qualified_type): Chain the new type to the original
3516 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3517 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3518 (build_pointer_type_for_mode): Only return unqualified types.
3519 (build_reference_type_for_mode): Likewise.
3521 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3523 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3524 * Makefile.in (CXX_COMPAT_WARN): Define.
3525 * configure: Regenerate.
3527 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3530 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3533 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3535 * toplev.c: Fix thinko.
3537 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3538 Marcin Dalecki <martin@dalecki.de>
3540 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3541 (push_srcloc): Use XNEW.
3542 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3544 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3546 * df-core.c (df_set_blocks): Deleted all variable.
3548 2006-01-28 Ian Lance Taylor <ian@airs.com>
3550 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3551 cgraph_output_pending_asms.
3553 2006-01-28 Zack Weinberg <zackw@panix.com>
3555 * c.opt: Add -W(no-)overlength-strings.
3556 * doc/invoke.texi: Document it.
3557 * c-opts.c (c_common_handle_option): -pedantic implies
3558 -Woverlength-strings, if not explicitly disabled already.
3559 (c_common_post_options): -Woverlength-strings defaults to off, and
3560 is always off for C++.
3561 * c-common.c (fix_string_type): Issue warning about strings longer
3562 than is portable only if warn_overlength_strings. Rearrange code
3563 a little for clarity.
3564 * configure.in: Check for -Wno-overlength-strings as well before
3565 enabling -pedantic in stage 1.
3566 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3567 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3569 * genconditions.c (write_header, write_one_condition)
3570 (write_conditions, write_writer): Consolidate very long strings
3571 that were broken up to fit in C89 portable limit. Don't use
3572 printf when fputs will do.
3574 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3576 * combine.c (simplify_comparison <AND>): Check
3577 TRULY_NOOP_TRUNCATION before start using a subreg.
3579 * config/mips/mips.md (*branch_zero<mode>,
3580 *branch_zero<mode>_inverted, *branch_equality<mode>,
3581 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3582 Remove mode check from comparisons.
3584 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3586 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3588 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3590 * expmed.c (const_mult_add_overflow_p): Remove.
3591 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3593 * recog.c (validate_replace_rtx_subexp): Remove.
3594 * recog.h: Remove the prototype for
3595 validate_replace_rtx_subexp.
3597 * integrate.h: Remove the prototype for
3598 copy_decl_for_inlining.
3599 * rtl.h: Remove the prototype for mark_constant_function.
3600 * tree-vectorizer.h: Remove the prototype for
3601 vect_strip_conversion.
3603 * modulo-sched.c (create_partial_schedule,
3604 free_partial_schedule, reset_partial_schedule): Make them
3607 * hooks.c (hook_bool_rtx_int_false): Remove.
3608 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3610 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3612 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3613 and -mlong-double-128 are incompatible.
3614 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3615 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3616 (TARGET_LIBGCC2_CFLAGS): Define.
3617 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3618 (TARGET_LIBGCC2_CFLAGS): Same.
3619 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3621 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3624 * c-typeck.c (build_binary_op): Perform implicit casts of
3625 operands before shortening them.
3627 * cfgloopmanip.c (split_loop_bb): Remove.
3628 * cfgloop.h: Remove the prototype for split_loop_bb.
3630 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3631 * cfgloop.h: Remove the prototype for
3632 flow_loop_outside_edge_p.
3634 * emit-rtl.c (init_virtual_regs): Make it static.
3635 * function.h: Remove the prototype for init_virtual_regs.
3637 * recog.c (peephole2_optimize): Make it static.
3638 * recog.h: Remove the prototype for peephole2_optimize.
3640 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3642 * df-scan.c (df_record_entry_block_defs): Check if
3643 INCOMING_RETURN_ADDR_RTX is defined.
3645 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3646 Kenneth Zadeck <zadeck@naturalbridge.com>
3648 PR rtl-optimization/24762
3649 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3650 * targhooks.c (hook_void_bitmap): New hook prototype.
3651 * targhoohs.h (hook_void_bitmap): Ditto.
3652 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3653 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3654 * target.h (live_on_entry): New function pointer.
3655 * df-scan.c (df_all_hard_regs): Removed.
3656 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3657 (df_scan_free_internal): Added df->entry_block_defs.
3658 (df_scan_alloc): Ditto.
3659 (df_scan_dump): Ditto.
3660 (df_uses_record): Plumbed flag field properly thru calls.
3661 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3662 This part fixes PR24762.
3663 (df_bb_refs_record): Added code to make the frame and arg
3664 pointers live in EH blocks.
3665 (df_refs_record): Added call to df_record_entry_block_defs.
3666 (df_record_entry_block_defs): New function.
3667 * df-core.c: Added comments to describe new artifical defs.
3668 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3669 (entry_block_defs): New field in struct df.
3670 (df_all_hard_regs): Deleted.
3671 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3672 * df-problems.c (df_ru_bb_local_compute_process_def):
3673 Added code to handle artifical defs in the entry to a function.
3674 (df_ru_bb_local_compute): Ditto.
3675 (df_rd_bb_local_compute_process_def): Ditto.
3676 (df_rd_bb_local_compute): Ditto.
3677 (df_lr_bb_local_compute): Ditto.
3678 (df_ur_bb_local_compute): Ditto.
3679 (df_urec_bb_local_compute): Ditto.
3680 (df_chain_create_bb): Ditto.
3681 (df_ur_local_finalize): Removed entry.
3682 (df_urec_init): Ditto.
3683 (df_urec_local_finalize): Ditto.
3684 (df_ri_bb_compute): Added detection of last use of pseudos.
3685 * Makefile.in (df-scan.o): Updated dependencies.
3686 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3687 * config/mips/mips.c (mips_set_live_on_entry): Added.
3688 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3690 * dce.c (marked_insn_p): Added code to handle artifical defs.
3692 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3694 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3696 (_mm_cvtsi128_si64): Likewise.
3697 (_mm_cvtsd_si64): Likewise.
3698 (_mm_cvttsd_si64): Likewise.
3699 (_mm_cvtsi64_sd): Likewise.
3700 (_mm_cvtsi64_si128): Likewise.
3701 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3702 (_mm_cvtsi64_m64): Likewise.
3703 (_m_to_int64): Likewise.
3704 (_mm_cvtm64_si64): Likewise.
3705 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3706 (_mm_cvttss_si64): Likewise.
3707 (_mm_cvtsi64_ss): Likewise.
3708 (_mm_cvtss_f32): Likewise.
3710 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3712 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3713 for pragma redefine_extname.
3715 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3718 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3719 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3720 -mno-minimal-toc to previous content.
3721 (bispecs): Remove goal.
3722 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3723 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3724 compatibility aliases on powerpc-*-*gnu*.
3725 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3726 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3727 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3728 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3729 (ldblspecs): New goal.
3730 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3731 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3733 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3734 L_sf_to_tf or L_df_to_tf is defined.
3736 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3737 Alan Modra <amodra@bigpond.net.au>
3740 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3741 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3742 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3743 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3744 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3745 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3746 (rs6000_override_options): Initialize rs6000_ieeequad.
3747 Initialize TFmode format to ibm_extended_format if not
3749 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3751 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3752 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3753 (function_arg_advance): IBM long double passed in two FPRs, not
3755 (function_arg): IBM long double passed in FPRs.
3756 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3757 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3758 Only multireg GPR aligned.
3759 (rs6000_init_libfuncs): Enable IBM long double functions if not
3761 (rs6000_generate_compare): Use IBM long double compare if not
3763 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3764 (TARGET_IEEEQUAD): Define.
3765 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3766 not TARGET_IEEEQUAD.
3767 * config/rs6000/rs6000.md: Enable TFmode patterns if
3769 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3770 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3771 and -mlong-double-128 are incompatible.
3772 * doc/invoke.texi (-mabi): Collect options together. Add
3773 ibmlongdouble and ieeelongdouble.
3775 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3777 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3779 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3780 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3781 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3782 * rtl.h (rtunion_def): Remove rt_ptr.
3784 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3785 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3786 * config/i386/winnt.c (i386_pe_mark_dllexport)
3787 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3789 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3791 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3793 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3797 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3798 pthread_key_delete. From John David Anglin. gthrw-ify
3799 pthread_getunique_np only if it it's not a macro. Delete
3801 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3802 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3803 __gthread_objc_condition_signal, __gthread_key_delete): Add
3804 "__attribute__ ((__unused__))" to unused arguments.
3805 (__gthread_recursive_mutex_init_function): Add missing return.
3806 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3807 gthr-posix95.h: Use macro-based approach for name redirection
3808 on targets missing weakref.
3810 2006-01-26 Zack Weinberg <zackw@panix.com>
3812 * genconditions.c (write_header): In generated code, #ifdef out
3813 all includes and fake declarations, except includes of bconfig.h
3814 and system.h, unless GCC_VERSION >= 3001. Do not include
3815 gensupport.h in any case.
3816 (write_conditions): Generate a definition of struct c_test. Add
3817 a comment to the generated #endif.
3818 (write_one_condition): Escape backslashes in string too.
3819 (write_writer): Generated code must escape backslashes and quote
3820 marks (but not newlines) in the strings it writes.
3821 * Makefile.in (build/gencondmd.o): Update dependencies.
3823 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3826 * Makefile.in (insn-automata.o): Add header file dependencies.
3827 * genautomata.c: Add includes.
3829 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3832 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3834 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3836 * configure.ac: Expect target tools paths to be passed from the toplevel
3837 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3839 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3841 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3844 * c.opt (Wpointer-sign): Init to -1.
3845 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3846 OPT_pedantic, to 0 otherwise.
3847 * doc/invoke.texi: Update.
3849 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3851 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3852 constants provided by 80387 instructions in the destination mode.
3854 2006-01-26 Richard Guenther <rguenther@suse.de>
3855 Andrew Pinski <pinskia@physics.uc.edu>
3858 partial PR tree-opt/17064
3859 * tree-ssa-structalias.c (intra_create_variable_infos):
3860 Create heap variables for incoming parameters if
3861 flag_argument_noalias > 1.
3862 (find_what_p_points_to): Look through default defs of
3865 2006-01-26 Jeff Law <law@redhat.com>
3868 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3869 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3870 within the VR_RANGE, use the VR_RANGE as the result, not the
3872 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3873 bounds for the type.
3875 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3877 * tree-ssa-alias.c (maybe_create_global_var): Change
3878 subvar walking to an assertion that we don't have subvar'd variables.
3880 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3883 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3884 Use a new variable, inner. PARM_DECLs are always non-weak.
3886 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3888 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3891 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3893 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3895 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3897 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3898 (smax_insn, smin_insn, smax_0, smin_0): New.
3900 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3903 * config/cris/cris.c (cris_order_for_addsi3): New function.
3904 * config/cris/cris-protos.h: Prototype it.
3905 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3906 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3907 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3908 (split for "op.S1 [rx=rx+i],ry (swapped)")
3909 (split for "op(s|u).S1 [rx=rx+i],ry")
3910 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3911 Apply cris_order_for_addsi3 when generating addsi3 insns.
3913 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3915 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3916 (TREE_BLOCK): Add call to EXPR_CHECK.
3918 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3921 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3922 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3923 (dump_omp_clauses): ... here.
3924 (dump_generic_node): Handle OMP_CLAUSE.
3925 * tree.c (omp_clause_num_ops): New.
3926 (omp_clause_code_name): New.
3927 (tree_code_size): Handle OMP_CLAUSE.
3928 (tree_size): Likewise.
3929 (make_node): Document handling of OMP_CLAUSE.
3930 (tree_node_structure): Handle OMP_CLAUSE.
3931 (omp_clause_check_failed): New.
3932 (omp_clause_range_check_failed): New.
3933 (omp_clause_operand_check_failed): New.
3934 (build_omp_clause): New.
3935 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3936 * tree.h (enum omp_clause_code): Declare.
3937 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3938 (OMP_CLAUSE_RANGE_CHECK): Define.
3939 (OMP_CLAUSE_ELT_CHECK): Define.
3940 (omp_clause_check_failed): Declare.
3941 (omp_clause_operand_check_failed): Declare.
3942 (omp_clause_range_check_failed): Declare.
3943 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3944 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3945 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3946 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3947 (OMP_CLAUSE_IF_EXPR): Likewise.
3948 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3949 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3950 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3951 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3952 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3953 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3954 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3955 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3956 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3957 (OMP_CLAUSE_CODE): Define.
3958 (OMP_CLAUSE_SET_CODE): Define.
3959 (OMP_CLAUSE_CODE): Define.
3960 (OMP_CLAUSE_OPERAND): Define.
3961 (struct tree_omp_clause): Declare.
3962 (union tree_node): Add field 'omp_clause'.
3963 * treestruct.def (TS_OMP_CLAUSE): Define.
3964 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3965 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3966 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3967 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3968 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3969 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3970 (OMP_CLAUSE): Define.
3971 * print-tree.c (print_node): Handle OMP_CLAUSE.
3972 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3973 * c-typeck.c: Likewise.
3974 * gimplify.c: Likewise.
3975 * c-omp.c: Likewise.
3976 * tree-nested.c: Likewise.
3977 * tree-inline.c: Likewise.
3978 * c-parser.c: Likewise.
3979 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3982 2006-01-25 Roger Sayle <roger@eyesopen.com>
3984 PR rtl-optimization/25703
3985 * combine.c (try_combine): Handle zero_extract and strict_low_part
3986 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3988 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3990 * global.c: Fix comment typos.
3992 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3995 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3996 Use output_addr_const instead of assemble_name.
3998 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4000 * Makefile.in (sched-vis.o): Update dependencies.
4001 * haifa-sched.c (sched_finish): Clear current_sched_info.
4002 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4003 (dump_flow_info): Call it.
4004 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4006 * basic-block.h (dump_bb_info): Declare.
4007 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4008 option, and apply options only for dump files whose TDF_RTL,
4009 TDF_TREE, or TDF_IPA bits match.
4010 * rtl.h: Declare new functions exported from sched-vis.c.
4011 * sched-vis.c: Enable also if scheduling is not used.
4012 (print_value): Print the mode of registers if not inside scheduling.
4013 (print_insn): Make it work outside the scheduler. Beautify the output
4015 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4017 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4019 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4020 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4021 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4022 depending on the value of CONSTANT_POOL_ADDRESS_P.
4023 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4025 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4026 rather than SYMBOL_REF_DECL.
4027 (rtx_constant_pool): Remove const_rtx_sym_htab.
4028 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4029 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4030 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4031 Remove handling of const_rtx_sym_htab.
4032 (find_pool_constant): Delete.
4033 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4034 rather than find_pool_constant.
4035 (get_pool_constant_for_function): Delete.
4036 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4038 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4039 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4040 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4041 (SYMBOL_REF_CONSTANT): New macro.
4042 (get_pool_constant_for_function): Delete.
4043 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4044 rather than SYMBOL_REF_DECL.
4045 (i386_pe_mark_dllimport): Likewise.
4046 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4047 rather than SYMBOL_REF_DECL.
4048 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4049 (machopic_indirect_call_target): Likewise.
4051 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4053 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4055 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4057 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4059 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4061 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4063 2006-01-24 David Daney <ddaney@avtrex.com>
4066 * configure.ac (enable_tls): New enable option.
4067 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4068 * configure: Regenerate.
4069 * doc/install.texi (--enable-tls): Document new option.
4070 (--disable-tls): Ditto.
4072 2006-01-24 Richard Henderson <rth@redehat.com>
4074 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4075 * alias.c (true_dependence): Respect it.
4076 (canon_true_dependence, write_dependence_p): Likewise.
4077 * builtins.c (get_builtin_sync_mem): Set it.
4079 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4081 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4084 2006-01-24 DJ Delorie <dj@redhat.com>
4086 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4087 for storing constants in single-bit bitfields.
4089 2006-01-25 Ben Elliston <bje@au.ibm.com>
4091 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4093 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4096 * tree-ssa-pre.c (phi_translate): Return NULL
4097 for AGGREGATE_TYPE's.
4099 2006-01-24 Zack Weinberg <zackw@panix.com>
4101 * genautomata.c (process_state_for_insn_equiv_partition):
4102 Use xcalloc for insn_arcs_array.
4103 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4104 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4106 2006-01-24 Richard Henderson <rth@redhat.com>
4108 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4111 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4113 PR rtl-optimization/25890
4114 PR rtl-optimization/25905
4115 * combine.c (expand_compound_operation, expand_field_assignment):
4116 Fail if the bitfield's final position is out of bounds.
4118 2006-01-24 Ian Lance Taylor <ian@airs.com>
4121 * cgraphunit.c (cgraph_output_in_order): Don't clear
4122 cgraph_asm_nodes until after asm strings have been output.
4124 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4126 * fix-header.c (read_scan_file): Add new parameter imultilib when
4127 calling register_include_chains.
4129 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4131 * omp-low.c: Update documentation.
4133 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4134 Daniel Berlin <dberlin@dberlin.org>
4138 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4139 return from the function.
4141 2006-01-22 Zack Weinberg <zackw@panix.com>
4143 * rtl.def (match_code): Add second argument.
4144 * genpreds.c (write_extract_subexp): New function.
4145 (write_match_code): Add path argument. Use write_extract_subexp.
4146 (write_predicate_expr): Pass path to write_match_code.
4147 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4148 not perform a mode test.
4149 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4150 a subexpression does not constrain the top-level code set.
4151 * read-rtl.c (read_rtx_variadic): New function.
4152 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4153 * doc/md.texi: Document new notation.
4154 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4155 (cmpsi_operand): ... here, using new notation.
4157 2006-01-22 Zack Weinberg <zackw@panix.com>
4159 * varray.c: Remove GENERATOR_FILE #ifdefs.
4161 2006-01-22 Zack Weinberg <zackw@panix.com>
4163 * genautomata.c (output_reserved_units_table): Emit nothing if
4164 description->query_units_num is zero. Remove extra blank line.
4165 (output_cpu_unit_reservation_p): Short circuit
4166 if description->query_units_num is zero.
4168 2006-01-22 Zack Weinberg <zackw@panix.com>
4170 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4171 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4172 nor any of the random handful of variables that used to be necessary
4173 when this program was linked with rtlanal.o. Prune set of forward
4174 function declarations.
4175 (struct attr_desc): Remove static_p field.
4176 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4177 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4178 (attr_string): Do not read the character one past the length of
4180 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4181 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4182 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4183 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4184 (make_automaton_attrs): New.
4185 (main): Do not call into genautomata. Call local gen_bypass
4186 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4187 Remove special case for insn_alts.
4188 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4189 varray.h (leftover from previous change). Prune set of forward
4190 function declarations. Remove state_alts fields from all
4191 structures. Remove state_alts_table from struct automaton.
4192 Make everything except main static. Do not maintain num_dfa_decls.
4193 Do not maintain state_alts fields of various structures.
4194 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4195 (add_arc): Remove state_alts argument. All callers updated.
4196 (output_reserved_units_table): Emit #ifdef here...
4197 (output_tables): ...not here. Don't generate state_alts tables.
4198 (expand_automata): Don't generate attributes.
4199 (write_automata): Don't generate state_alts functions.
4200 (main): New function.
4201 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4202 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4203 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4204 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4205 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4206 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4207 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4208 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4210 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4211 * genattrtab.h: Delete file.
4212 * Makefile.in (OBJS-common): Add insn-automata.o.
4213 (insn-automata.o): New rule.
4214 (simple_generated_c): Add insn-automata.c.
4215 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4216 (genprogmd): Add automata.
4217 (build/genattrtab): Needs no extra objects nor libraries.
4218 (build/genautomata): Needs build/vec.o and -lm.
4220 2006-01-22 Zack Weinberg <zackw@panix.com>
4222 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4223 (output_dfa_max_issue_rate, locked_states_num): Delete.
4224 (struct automaton): Add locked_states field.
4225 (output_dead_lock_vect): Save number of locked states in
4226 automaton->locked_states. If it is zero, don't print anything.
4227 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4228 (output_internal_dead_lock_func): Only test the dead_lock_vect
4229 for automata that have locked states.
4230 (output_statistics): Always print the number of locked states for
4231 each automaton. Calculate total number of locked states here.
4232 (write_automata): Don't call output_dfa_max_issue_rate.
4233 * genattrtab.c: Define length_unit_log as a const variable.
4234 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4235 max_insn_queue_index const.
4236 * final.c (length_unit_log): Declare const.
4237 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4239 2006-01-22 Zack Weinberg <zackw@panix.com>
4241 * genautomata.c: Include vec.h, not varray.h.
4242 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4243 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4244 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4245 VEC_* macros operating on appropriately typed vectors, or to
4246 malloced arrays when the size is known in advance. Const-ify
4247 many char* variables and function arguments. No functional changes.
4248 * Makefile.in (build/varray.o): Delete rule.
4249 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4250 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4252 2006-01-22 Zack Weinberg <zackw@panix.com>
4254 * gensupport.c: Define get_insn_name and record_insn_name here.
4255 (read_md_rtx): Call record_insn_name as appropriate.
4256 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4257 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4258 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4260 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4261 (BUILD_VARRAY): Delete.
4262 (genprognormal): Rename genprogmd. Fold in all programs from
4263 genprognoprint; also attrtab.
4264 (build/genattrtab): Just mention genautomata.o and varray.o.
4265 Reorganize a bit, add comments to make the categories clearer.
4267 2006-01-22 Zack Weinberg <zackw@panix.com>
4269 * genconditions.c (condition_table, add_condition): Delete.
4270 (write_conditions): Don't emit n_insn_conditions nor
4271 insn_elision_unavailable. Issue the gcc version #ifdef here,
4272 inside the table, with no #else clause ...
4273 (write_header): ...not here.
4274 (write_writer): New function.
4275 (main): Don't initialize condition_table. Use add_c_test.
4277 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4278 files on the command line.
4279 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4280 Return -1 if there is no entry in the table, don't abort.
4281 (add_c_test, traverse_c_tests): New functions.
4282 * gensupport.h (insn_elision_unavailable, insn_conditions)
4283 (n_insn_conditions): Delete declarations.
4284 (add_c_test, traverse_c_tests): Declare.
4285 * read-rtl.c: Include gensupport.h.
4286 (read_conditions): New function.
4287 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4288 (read_rtx_1): If we get EOF when we were looking for an initial
4289 open paren, return 0. Call read_conditions when appropriate.
4290 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4291 dummy-conditions.o. Eliminate references to insn-conditions.o,
4292 or change them to build/gencondmd.o, as appropriate. Remove
4293 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4294 from $(simple_generated_c). For all files remaining in those
4295 two lists, add insn-conditions.md to the generator command line.
4296 Give insn-constants.h/s-constants their own rules. Add rules
4297 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4298 (build/read-rtl.o): Depend on gensupport.h.
4299 (genprognormal): Include preds.
4300 (genprogearly): Rename genprognoprint; only difference is now that
4301 they don't link with $(BUILD_PRINT).
4302 * dummy-conditions.c: Delete.
4304 2006-01-22 Zack Weinberg <zackw@panix.com>
4306 * genextract.c: Don't include insn-config.h. Do include vec.h.
4307 Declare vectors of int, char, and locstr.
4308 (locstr): New typedef.
4309 (struct extraction): Make all array fields into bare pointers.
4310 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4311 (insn_code_number): Delete.
4312 (accum_extract): New struct.
4313 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4314 (gen_insn): Take insn_code_number as an argument. Use an
4315 accum_extract structure instead of loading data directly into
4316 a struct extraction, and having to know how big it might get.
4317 (walk_rtx): Operate entirely on an accum_extract structure.
4318 (print_path): Avoid unnecessary use of printf.
4319 (print_header): New function, split out of main. Distinguish
4320 more carefully between an unrecognizable insn and an insn that
4321 has the code number of a define_expand.
4322 (main): Pass insn_code_number to gen_insn. Call print_header
4323 only after parsing. Avoid unnecessary use of printf.
4324 * Makefile.in (build/vec.o): New rule.
4325 (build/genextract): Depend on build/vec.o.
4326 (build/genextract.o): Don't depend on insn-config.h.
4328 2006-01-22 Zack Weinberg <zackw@panix.com>
4330 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4331 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4332 practical. Eliminate per-generator-program link rules.
4334 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4337 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4338 with a call expr to ...
4339 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4341 2006-01-23 Richard Guenther <rguenther@suse.de>
4343 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4344 before make_edge with conditional EDGE_TRUE_VALUE.
4346 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4347 Jan Hubicka <jh@suse.cz>
4348 Richard Guenther <rguenther@suse.de>
4350 PR rtl-optimization/25654
4351 * cfgexpand.c (aggregate_contains_union_type): New function.
4352 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4353 for structure variables that contain a union type.
4355 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4357 * gengtype.c (new_structure): Return the structure.
4358 (create_option): Add an extra "next" argument.
4359 (create_field): New function.
4360 (adjust_field_rtx_def): Use create_option and create_field.
4361 Remove a now-unnecessary call to find_structure.
4362 (adjust_field_tree_def): Likewise.
4363 (note_yacc_type): Remove an unnecessary call to find_structure.
4364 * gengtype.h (new_structure): Return the structure.
4365 (create_option): Add an extra argument.
4366 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4367 (option): Adjust calls to create_option.
4369 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4371 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4373 2006-01-22 Paul Brook <paul@codesourcery.com>
4374 Peter Barada <peter@the-baradas.com>
4376 * config/m68k/m68k.md: Add Coldfire FPU support.
4377 Define FP mode macro and associated attributes.
4378 Use it for float mode patterns.
4379 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4380 (LIBCALL_VALUE): Use m68k_libcall_value.
4381 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4382 (m68k_function_value): Ditto.
4383 (emit_move_sequence): Ditto.
4384 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4385 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4386 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4387 (MULTILIB_EXCEPTIONS): Ditto.
4388 * config/m68k/m68k.opt: Add mcfv4e.
4389 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4390 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4391 (m68k_output_function_prologue): Save ColdFire FPU registers.
4392 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4393 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4394 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4395 ColdFire FPU registers.
4396 (m68k_libcall_value, m68k_function_value): New functions.
4397 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4398 (LIBCALL_VALUE): Use m68k_libcall_value.
4399 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4400 (MASK_COLDFIRE): Add MASK_CFV4E.
4401 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4402 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4403 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4404 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4405 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4406 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4407 * doc/invoke.tex: Document -mcfv4e on m68k.
4409 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4411 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4414 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4417 * c-opts.c (c_common_handle_option): Don't include
4418 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4419 * doc/invoke.texi (C++ Dialect Options): Document that
4420 -Wnon-virtual-dtor is no longer included in -Wall.
4422 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4424 * gcov.c (print_version), gcov-dump.c (print_version),
4425 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4428 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4430 * df-scan.c (problem_SCAN): Added NULL reset function.
4431 (df_scan_reset_blocks): Added code to call reset block function
4432 (df_bb_refs_delete) Fixed comment.
4433 (df_insn_refs_delete): Made tolerant of deleting non existent info
4434 for dataflow problems that need to be reset.
4435 * df-core.c (df_set_blocks): Ditto.
4436 * df.h (struct df_problem): Added reset_fun.
4437 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4438 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4439 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4440 functions to clear out all references to def-use or use-def chains.
4442 2006-01-21 Ben Elliston <bje@au.ibm.com>
4444 * varasm.c (assemble_real): Initialise data array.
4446 2006-01-20 Paul Brook <paul@codesourcery.com>
4448 Merge from csl-arm-branch.
4449 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4450 * config/arm/arm.md (movdi): Force operands[1] to a register
4451 if we have a non-register source.
4452 (*arm_movdi, *movdf_soft_insn): Require that one of the
4453 operands be a register.
4454 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4455 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4457 2006-01-20 DJ Delorie <dj@redhat.com>
4459 * varasm.c (initialize_constant_valid_p): Allow pointers
4460 initialized from integer constants of lesser precision.
4461 (output_constant): Allow non-int-sized pointer modes to be
4462 initialized from integer constants.
4464 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4467 * cppdefault.h (struct default_include): Add multilib flag.
4468 * cppdefault.c (cpp_include_defaults): Set it.
4469 * c.opt (-imultilib): New option.
4470 * c-opts.c (imultilib): New.
4471 (c_common_handle_option): Handle -imultilib.
4472 (c_common_post_options): Likewise.
4473 * c-incpath.c (add_standard_paths, register_include_chains):
4475 * c-incpath.h (register_include_chains): Add extra parameter.
4476 * gcc.c (do_spec_1): Generate -imultilib option.
4477 (The Specs Language): Update %I description.
4478 (process_command): Update copyright notice.
4479 * doc/cppopts.texi (-imultilib): Document.
4480 * doc/invoke.texi (-imultilib): Include in option summary.
4481 (%I): Update specs documentation.
4483 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4485 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4487 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4489 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4492 2006-01-20 Richard Guenther <rguenther@suse.de>
4493 Steven Bosscher <stevenb.gcc@gmail.com>
4495 PR rtl-optimization/24626
4496 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4497 EDGE_TRUE_VALUE if in RTL mode.
4500 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4501 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4503 2006-01-20 Dirk Mueller <dmueller@suse.com>
4506 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4507 instead of a special NOP marker.
4508 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4509 NOP marker handling.
4510 * c-common.h (empty_body_warning): Add forward declaration.
4511 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4512 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4514 2006-01-20 Paul Brook <paul@codesourcery.com>
4516 * Makefile.in (lang_checks): Keep going if mkdir fails.
4518 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4520 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4521 be able to clean out basic block when not necessary.
4522 (df_scan_free): Fixed to properly delete information if df is
4523 unused before calling df_finish.
4524 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4525 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4527 (df_bb_refs_delete): New function.
4528 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4529 * df-core.c (df_set_blocks): Added code to properly clean out
4530 unused blocks if they are not part of the blocks to consider.
4531 Added additional null check.
4532 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4533 be able to clean out basic block when not necessary
4534 * df.h (df_free_bb_function): Ditto.
4535 (df_bb_refs_delete): New function.
4536 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4537 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4538 basic block parameter to be able to clean out basic block when not
4540 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4541 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4542 Fixed to properly delete information if df is unused before
4545 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4547 PR rtl-optimization/25799
4548 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4549 Corrected confluence operator to remove bits from op2 before oring
4550 with op1 rather than removing bits from op1.
4551 (df_ru_transfer_function): Corrected test on wrong bitmap which
4552 caused infinite loop. Both of these problems were introduced in
4553 the dataflow rewrite.
4555 2006-01-19 DJ Delorie <dj@redhat.com>
4557 * reload1.c (find_reload_regs): Note the details of reload
4558 failures in the dump file.
4559 (spill_failure): Likewise.
4561 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4563 * loop-iv.c: Include df.h and hashtab.h.
4564 (enum iv_grd_result): New enum.
4565 (DF_REF_IV, DF_REF_IV_SET): New macros.
4566 (struct biv_entry): New.
4567 (df, bivs): New global variables.
4568 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4569 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4571 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4572 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4573 analyzed_for_bivness_p, record_biv): New functions.
4574 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4575 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4576 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4578 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4580 (iv_number_of_iterations): Use new interface to iv analysis.
4581 * loop-unroll.c: Do not include varray.h.
4582 (analyze_iv_to_split_insn): Use new interface to iv
4584 * loop-unswitch.c (may_unswitch_on): Ditto.
4585 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4587 (df_bb_modify): Realloc tables to the new index.
4588 (df_find_use): New function.
4589 * df.h (df_find_use): Declare.
4590 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4592 * cfgloop.h (struct rtx_iv): Remove analysed field.
4593 (iv_get_reaching_def): Removed.
4594 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4595 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4596 (loop-iv.o): Add df.h and hashtab.h dependency.
4597 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4599 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4602 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4604 (__floatundisf, __floatundidf): Likewise.
4605 * libgcc2.h (IS_IBM_EXTENDED): Define.
4607 2006-01-19 DJ Delorie <dj@redhat.com>
4609 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4611 2006-01-19 Paul Brook <paul@codesourcery.com>
4613 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4614 as nothrow when unwinding tables are disabled.
4616 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4619 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4620 of bit-field" when in system header.
4622 2006-01-19 DJ Delorie <dj@redhat.com>
4624 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4625 the 16 bit shift limit of the m16c.
4627 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4630 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4631 * config/i386/i386.c (output_set_got): Output the label if we have one
4632 for the TARGET_DEEP_BRANCH_PREDICTION case.
4634 2006-01-19 Jan Hubicka <jh@suse.cz>
4635 H.J. Lu <hongjiu.lu@intel.com>
4636 Evandro Menezes <evandro.menezes@amd.com>
4638 * invoke.texi (generic): Document
4640 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4641 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4642 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4643 (x86_use_incdec, x86_pad_returns): New variables
4644 (TARGET_CPU_DEFAULT_generic): New constant
4645 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4646 (enum processor_type): Add generic32 and generic64.
4647 * i386.md (cpu attribute): Add generic32/generic64
4648 (movhi splitter): Behave sanely when both partial_reg_dependency and
4649 partial_reg_stall are set.
4650 (K8 splitters): Enable for generic as well.
4651 * predicates.md (incdec_operand): Use TARGET_INCDEC
4652 (aligned_operand): Avoid memory mismatch stalls.
4653 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4654 * ppro.md: Enable for generic32
4655 * i386.c (generic64_cost, generic32_cost): New.
4656 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4657 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4658 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4659 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4660 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4661 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4662 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4663 x86_accumulate_outgoing_args, x86_prologue_using_move,
4664 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4665 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4667 (x86_use_incdec, x86_pad_returns): New.
4668 (override_options): Add generic32 and generic64, translate "generic"
4669 to generic32/generic64 and "i686" to "generic32", refuse
4670 "generic32"/"generic64" as arch target.
4671 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4672 (ix86_reorg): Honor PAD_RETURNS.
4674 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4676 * tree-pretty-print.c (dump_generic_node): Handle
4677 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4678 * cgraph.c (cgraph_expand_queue): Rename from
4679 cgraph_analyze_queue. Update all users.
4680 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4681 cgraph_expand_queue.
4682 (cgraph_expand_all_functions): Likewise.
4683 (cgraph_finalize_pending_functions): Remove. Update callers.
4685 * tree.h (OMP_DIRECTIVE_P): Define.
4686 (OMP_PARALLEL_FN): Define.
4687 (OMP_PARALLEL_DATA_ARG): Define.
4688 (OMP_SECTIONS_SECTIONS): Define.
4689 * tree-pass.h (pass_expand_omp): Declare.
4690 * omp-low.c (struct omp_region): Declare.
4691 (struct omp_context): Remove fields 'parallel_type',
4692 'parallel_start_ix' and 'parallel_start_additional_args'.
4694 (struct omp_for_data): Rename from struct expand_omp_for_data.
4695 (omp_regions): New static variable.
4696 (root_omp_region): New static variable.
4697 (find_omp_clause): Make static.
4698 (is_in_combined_parallel_ctx): Remove.
4699 (is_combined_parallel): New.
4700 (extract_omp_for_data): Move earlier in the file.
4701 (workshare_safe_to_combine_p): New.
4702 (get_ws_args_for): New.
4703 (determine_parallel_type): Move earlier in the file.
4704 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4706 (omp_copy_decl): Likewise.
4707 (create_omp_child_function): Likewise.
4708 (lookup_omp_region): New.
4709 (dump_omp_region): New.
4710 (debug_omp_region): New.
4711 (debug_all_omp_regions): New.
4712 (new_omp_region): New.
4713 (scan_omp_parallel): If parallel_nesting_level > 1, the
4714 directive is nested within another parallel directive.
4715 Set OMP_PARALLEL_FN.
4716 (scan_omp_for): Do not try to handle combined parallel+for
4718 Remove FIXME comment.
4719 (scan_omp_nested): Remove.
4720 (scan_omp_1): Do not call scan_omp_nested when
4721 parallel_nesting_level is > 1.
4722 Do not change the DECL_CONTEXT of local variables found.
4723 (lookup_decl_in_outer_ctx): New.
4724 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4725 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4726 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4727 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4728 If CTX is nested, lookup VAR in the outer context when
4729 building copy assignment.
4730 (lower_send_clauses): Rename from expand_send_clauses.
4731 If CTX is nested, lookup VAR in the outer context when
4732 building copy assignments.
4733 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4734 If CTX is nested, lookup VAR in the outer context when
4735 building copy assignments.
4736 (expand_parallel_call): Rename from build_parallel_call.
4737 Handle combined parallel+workshare cases.
4738 Re-implement to emit code into the CFG.
4740 (expand_omp_parallel): Re-implement to emit code into the CFG.
4741 Call move_sese_region_to_fn to outline the sub-graph
4742 containing the parallel region.
4743 (expand_omp_for_1): Remove.
4744 (expand_omp_for_generic): Re-implement to emit code into the
4746 (expand_omp_for_static_nochunk): Likewise.
4747 (expand_omp_for_static_chunk): Likewise.
4748 (expand_omp_for): Likewise.
4749 (expand_omp_sections): Likewise.
4750 (remove_exit_barriers): New.
4751 (expand_omp_synch): New.
4753 (build_omp_regions_1): New.
4754 (build_omp_regions): New.
4755 (execute_expand_omp): New.
4756 (gate_expand_omp): New.
4757 (pass_expand_omp): Define.
4758 (lower_omp_sections): Rename from expand_omp_sections.
4759 Set OMP_SECTIONS_SECTIONS.
4760 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4761 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4762 (lower_omp_single): Rename from expand_omp_simple.
4763 (lower_omp_master): Rename from expand_omp_master.
4764 (lower_omp_ordered): Rename from expand_omp_ordered.
4765 (lower_omp_critical): Rename from expand_omp_critical.
4766 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4767 (lower_omp_for): Re-implement.
4768 (lower_omp_parallel): Re-implement.
4769 (lower_regimplify): Rename from expand_regimplify.
4770 (lower_omp_1): Rename from expand_omp_1.
4771 If there are syntax errors in the program, replace every
4772 OpenMP directive with NOP.
4773 Call lower_omp_* instead of expand_omp_*.
4774 (lower_omp): Rename from expand_omp.
4776 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4777 * tree-gimple.h (enum omp_parallel_type): Remove.
4778 (gimple_boolify): Declare extern.
4779 (find_omp_clause, determine_parallel_type): Remove.
4781 * gimple-low.c (lower_omp_directive): New.
4782 (lower_stmt): Call it.
4783 (record_vars_into): Move from ...
4784 (record_vars): ... here.
4785 Call record_vars_into with current_function_decl.
4787 * gimplify.c (struct gimplify_ctx): Remove fields
4788 combined_pre_p and combined_ctxp. Update users.
4789 (get_formal_tmp_var): Add documentation.
4790 (gimple_boolify): Make extern.
4791 (gimplify_expr_in_ctx): Remove. Update callers.
4792 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4793 will always be a BIND_EXPR.
4794 (gimplify_expr): Handle OMP_RETURN_EXPR.
4795 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4796 (OMP_PARALLEL): Add 3 operands.
4797 (OMP_SECTIONS): Add 1 operand.
4798 (OMP_RETURN_EXPR): Define.
4800 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4801 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4802 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4803 creating a circular free list.
4804 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4806 * tree-flow.h (move_sese_region_to_fn): Declare.
4807 (record_vars_into): Declare.
4808 * tree-cfg.c (make_omp_sections_edges): New.
4809 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4810 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4811 OMP_SECTIONS and OMP_SECTION.
4812 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4813 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4814 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4815 (gather_blocks_in_sese_region): New.
4816 (struct move_stmt_d): Declare.
4818 (move_block_to_fn): New.
4819 (move_sese_region_to_fn): New.
4821 * passes.c (init_optimization_passes): Schedule
4822 pass_expand_omp after pass_init_datastructures.
4824 * tree-ssa-operands.c (get_expr_operands): Handle
4825 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4826 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4828 2006-01-19 Jeff Law <law@redhat.com>
4830 * tree-vrp.c (extract_range_from_assert): Refine the result range
4831 if the variable referenced by the ASSERT_EXPR has a range and
4832 either the tentative result range or the previous range is a
4835 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4837 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4839 2006-01-19 Jan Hubicka <jh@suse.cz>
4841 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4843 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4845 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4846 (expand_compound_operation, expand_field_assignment): Fail if the
4847 bit lengths of an extract operation are out of range.
4848 (make_extraction): Compute wanted_inner_mode based on the position
4849 and length of the extraction. Make it extraction_mode for non-constant
4850 positions, and do not modify offset in that case. When generating a
4851 new MEM, use a mode that can hold the extraction while keeping correct
4852 alignment. Remove code that supported MEMs wrapped by USEs.
4853 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4855 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4857 * config/s390/s390.md ("Y", "y"): New mode attribute.
4858 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4859 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4860 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4861 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4862 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4863 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4864 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4865 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4866 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4867 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4868 "addsi3", "subsi3"): Insn patterns removed.
4869 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4870 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4871 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4872 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4873 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4874 "*sub<mode>3_cconly2"): New insn patterns.
4875 ("addsi3", "subsi3"): New expanders.
4877 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4879 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4880 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4881 existing STMT_VINFO_VECTYPE if available.
4882 (vect_mark_relevant): Add special handling for stmts that are
4883 marked as STMT_VINFO_IN_PATTERN_P.
4884 (vect_analyze_loop): Call vect_pattern_recog.
4885 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4886 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4888 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4889 (vect_recog_func_ptr): New function-pointer type.
4890 * tree-vect-patterns.c: New file.
4891 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4892 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4893 (vect_pattern_recog_1): New functions.
4894 (vect_pattern_recog_funcs): New array of function pointers.
4896 * tree-vectorizer.h (ternary_op): New enum value.
4897 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4898 declaration. Revised documentation. Removed redundant dump prints.
4899 Removed redundant argument. Added support for reduction patterns.
4900 (vectorizable_reduction): Added support for reduction patterns.
4901 (vect_transform_stmt): Added support for patterns.
4903 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4904 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4905 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4906 (expand_widen_pattern_expr): New function.
4907 (init_optabs): Initialize new optabs udot_prod_optab,
4909 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4910 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4911 (expand_widen_pattern_expr): New function declaration.
4912 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4914 * tree-inline.c (estimate_num_insns_1): Added cases for new
4915 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4916 * tree-pretty-print.c (dump_generic_node): Likewise.
4917 (op_prio): Likewise.
4918 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4919 * tree-ssa-operands.c (get_expr_operands): Added case for
4921 * tree-vect-patterns.c (widened_name_p): New function.
4922 (vect_recog_dot_prod_pattern): Added function implementation.
4923 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4924 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4925 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4926 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4928 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4929 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4930 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4931 (init_optabs): Initialize new optabs widen_ssum_optab,
4933 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4934 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4935 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4936 use instead of type of def.
4937 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4938 function implementation.
4939 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4940 widen_ssumv8hi): New.
4942 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4945 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4948 * c-decl.c (add_flexible_array_elts_to_size): New function.
4949 (finish_decl): Use it.
4951 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4953 * diagnostic.h: Include options.h.
4954 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4955 dependancies for diagnostic.h.
4956 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4958 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4960 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4961 (ssa_ro_call_cache_valid): Ditto.
4962 * tree-ssa-alias.c (sort_tags_by_id): New function.
4963 (init_transitive_clobber_worklist): Ditto.
4964 (add_to_worklist): Ditto.
4965 (mark_aliases_call_clobbered): Ditto.
4966 (compute_tag_properties): Ditto.
4967 (set_initial_properties): Ditto.
4968 (compute_call_clobbered): Ditto.
4969 (compute_may_aliases): Call compute_call_clobbered and grouping.
4970 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4971 (compute_flow_insensitive_aliasing): Grouping now happens in our
4973 (setup_pointers_and_addressables): Remove clobbering related code.
4974 (add_may_alias): Ditto.
4975 (replace_may_alias): Ditto.
4976 (get_nmt_for): Ditto.
4977 (create_global_var):
4978 (is_escape_site): Return an escape_type enumeration.
4979 * tree-flow-inline.h (is_call_clobbered): Global var does not
4980 imply call clobbered.
4981 (mark_call_clobbered): Take a reason for marking this. Remove
4982 marking of globalness, and cache invalidation.
4983 (clear_call_clobbered): Remove cache invalidation code.
4984 * tree-dfa.c (dump_variable): If details is on, dump the reason
4986 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4988 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4989 (struct var_ann_d): Ditto.
4990 (enum escape_type): New.
4991 (mark_call_clobbered): Adjust prototype.
4992 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4993 are never call clobbered.
4994 Record reasons for escaping.
4995 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4996 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4997 (ssa_ro_call_cache_valid): Ditto.
4998 (clobbered_v_may_defs): Ditto.
4999 (clobbered_vuses): Ditto.
5000 (ro_call_vuses): Ditto.
5001 (clobber_stats): New.
5002 (init_ssa_operands): Zero out clobber stats.
5003 (fini_ssa_operands): Print out clobber stats.
5004 (get_call_expr_operands): Pass callee fndecl to
5006 (add_call_clobber_ops): Remove use of cache.
5007 Add use of PURE_CONST information.
5008 (add_call_read_ops): Remove use of cache.
5009 Add use of static not_read information.
5011 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5013 Introduce TLS descriptors for i386 and x86_64.
5014 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5015 (TARGET_ANY_GNU_TLS): New macro.
5016 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5017 (struct machine_function): Add tls_descriptor_call_expanded_p.
5018 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5019 (ix86_current_function_calls_tls_descriptor): Likewise.
5020 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5021 (override_options): Introduce gnu2 tls dialect.
5022 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5024 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5026 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5027 (ix86_init_machine_status): Initialize new field.
5028 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5029 (ix86_tls_module_base): New.
5030 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5031 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5032 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5033 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5034 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5035 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5036 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5037 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5038 * config/i386/predicates.md (tls_modbase_operand): New.
5039 (tp_or_register_operand): New.
5041 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5043 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5044 (look_for_address_of): Ditto.
5045 (ipa_init): Walk the function decls.
5046 (static_execute): Don't set readonly on FUNCTION_DECL's.
5048 2006-01-18 Roger Sayle <roger@eyesopen.com>
5050 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5051 for shifts where the source and destination registers are different.
5053 2006-01-18 Paul Brook <paul@codesourcery.com>
5055 Merge from csl-arm-branch.
5056 2005-03-14 Julian Brown <julian@codesourcery.com>
5057 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5058 (aeabi_llsl): Likewise.
5059 (ashrdi3): Likewise.
5060 (aeabi_lasr): Likewise.
5061 (lshrdi3): Likewise.
5062 (aeabi_llsr): Likewise.
5063 2005-03-10 Julian Brown <julian@codesourcery.com>
5064 * config.gcc: Disable shared libgcc for SymbianOS.
5065 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5067 2006-01-18 DJ Delorie <dj@redhat.com>
5069 * c-pragma.c (handle_pragma_diagnostic): New.
5070 (init_pragma): Register it.
5071 * doc/extend.texi: Document it.
5073 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5074 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5075 (diagnostic_context): Add classify_diagnostic[].
5076 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5077 as errors if they're overridden to DK_WARNING.
5078 (diagnostic_initialize): Initialize classify_diagnostic[].
5079 (diagnostic_set_kind_override): New.
5080 (diagnostic_report_diagnostic): Check for kind changes.
5081 * opts.c (common_handle_option): Take lang_mask. Update callers.
5083 * common.opt (Werror=): New.
5084 * doc/invoke.texi: Document -Werror=*
5086 2006-01-18 Jeff Law <law@redhat.com>
5088 * tree-vrp.c (test_for_singularity): Correct test for new
5089 min limit. Use operand_equal_p rather than pointer equality
5090 for testing if new min/max values are equal.
5092 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5093 using range information until after propagation and folding.
5095 2006-01-18 Richard Henderson <rth@redhat.com>
5096 Aldy Hernandez <aldyh@redhat.com>
5097 Jakub Jelinek <jakub@redhat.com>
5098 Diego Novillo <dnovillo@redhat.com>
5100 * omp-low.c: New file.
5101 * c-omp.c: New file.
5103 2006-01-18 Richard Henderson <rth@redhat.com>
5104 Jakub Jelinek <jakub@redhat.com>
5105 Diego Novillo <dnovillo@redhat.com>
5107 * doc/invoke.texi: Document -fopenmp.
5108 * tree-dump.h (debug_function): Declare.
5109 * hooks.c (hook_bool_tree_bool_false): New function.
5110 (hook_tree_tree_null): Remove.
5111 (hook_tree_tree_tree_null): New.
5112 * hooks.h: Update to match.
5113 * tree-pretty-print.c (debug_tree_chain): New.
5114 (print_generic_expr): Handle TDF_CHAIN.
5115 (dump_generic_node): Handle BLOCK.
5116 Do not abort with incomplete SWITCH_EXPRs.
5117 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5118 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5119 print space after directive name.
5120 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5121 Handle OMP_MASTER and OMP_ORDERED.
5122 Handle printing of OMP_BODY just in one place, goto
5123 dump_omp_body in the rest of OMP_* nodes that have
5125 Don't handle clause nodes here. Update omp statements to
5126 use dump_omp_clauses.
5127 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5128 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5129 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5130 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5131 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5132 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5133 Adjust output for GOMP_PARALLEL.
5134 (dump_omp_clauses): New.
5135 (print_declaration): Dump DECL_VALUE_EXPR.
5136 (op_symbol_1): Split out of op_symbol.
5137 (dumping_stmts): Remove. Update all users.
5138 * cgraph.c (cgraph_analyze_queue): New.
5139 (cgraph_add_new_function): New.
5140 * cgraph.h (cgraph_analyze_queue): Declare.
5141 (cgraph_add_new_function): Declare.
5142 (cgraph_lower_function): Remove.
5143 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5144 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5145 and TYPE_P nodes in its default clause.
5146 (empty_body_p): New.
5147 (tree_range_check_failed): New.
5149 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5150 OMP_CLAUSE_REDUCTION_MERGE,
5151 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5152 OMP_CLAUSE_PRIVATE_DEBUG,
5153 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5154 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5155 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5156 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5157 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5158 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5159 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5160 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5161 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5162 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5163 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5164 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5165 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5166 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5167 (TREE_RANGE_CHECK): New.
5168 (empty_body_p): Declare.
5169 (enum omp_clause_default_kind): New.
5170 (build_string_literal): Declare.
5171 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5172 (build5_stat, build5): Declare.
5173 * tree-pass.h (TDF_CHAIN): Define.
5174 * tree-pass.h (PROP_gimple_lomp): Define.
5175 (pass_lower_omp): Declare.
5176 * diagnostic.h (debug_tree_chain): Declare.
5177 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5179 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5180 * builtins.c (build_string_literal): Make extern.
5181 * gcc.c (include_spec_function): New.
5182 (static_spec_functions): Add it.
5183 (main): Move load of libgomp.spec ...
5184 (LINK_COMMAND_SPEC): ... here.
5185 (link_gomp_spec): New.
5186 (static_specs): Include it.
5187 (LINK_COMMAND_SPEC): Add link_gomp.
5188 (GOMP_SELF_SPECS): New.
5189 (driver_self_specs): Include it.
5190 (switch_matches): Don't mark inline.
5191 (main): Load libgomp.spec.
5192 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5193 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5194 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5195 * tree-gimple.h (enum omp_parallel): Declare.
5196 (determine_parallel_type): Declare.
5197 (omp_firstprivatize_variable): Declare.
5198 (omp_reduction_init): Declare.
5199 (diagnose_omp_structured_block_errors): Declare.
5200 (struct walk_stmt_info): Add want_return_expr.
5201 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5202 (find_omp_clause): Declare.
5203 (insert_field_into_struct): Declare.
5204 (struct walk_stmt_info): Move from tree-nested.c
5205 (walk_stmts): Declare.
5206 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5208 * cgraphunit.c (cgraph_lower_function): Make static.
5209 (cgraph_finalize_pending_functions): New.
5210 (cgraph_finalize_function): Call it.
5211 (cgraph_finalize_compilation_unit): Likewise.
5212 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5213 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5214 (BT_FN_UINT_UINT): New.
5215 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5216 DEF_FUNCTION_TYPE_VAR_4): Document.
5217 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5218 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5219 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5220 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5221 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5222 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5223 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5224 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5225 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5226 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5227 into separate files.
5228 (DEF_GOMP_BUILTIN): New.
5229 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5230 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5231 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5232 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5233 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5234 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5235 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5236 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5237 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5238 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5239 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5240 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5241 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5242 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5243 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5244 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5245 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5246 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5247 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5248 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5249 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5250 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5251 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5252 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5253 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5254 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5255 * sync-builtins.def: New file, moved from builtins.def.
5256 * omp-builtins.def: New file, moved from builtins.def.
5257 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5258 * gimple-low.c (lower_function_body): Clear data.
5259 (lower_stmt): Do not handle COMPOUND_EXPR.
5260 Remove call to print_node_brief.
5261 * c-tree.h (c_finish_omp_clauses): New prototype.
5262 (C_DECL_THREADPRIVATE_P): Define.
5263 (lookup_name_no_remap, c_omp_remap_private): Remove
5264 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5265 (check_for_loop_decls): Update decl.
5266 (lookup_name_no_remap, c_omp_remap_private): Declare.
5267 (build_indirect_ref, build_modify_expr, pushdecl,
5268 pushdecl_top_level): Move to c-common.h.
5269 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5270 before the switch, but just in the 2 places that need it.
5271 * c-decl.c (diagnose_mismatched_decls): Do not check for
5272 mismatched thread-local attributes when OLDDECL is marked
5273 threadprivate and NEWDECL has no thread-local attributes.
5274 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5275 (c_gimple_diagnostics_recursively): Rename from
5276 c_warn_unused_result_recursively. Invoke
5277 diagnose_omp_structured_block_errors.
5278 (check_for_loop_decls): Return a singular decl found.
5279 * langhooks.c (lhd_omp_predetermined_sharing): Return
5280 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5281 (lhd_omp_firstprivatize_type_sizes): New.
5282 (lhd_omp_assignment): New.
5283 (lhd_omp_predetermined_sharing): New.
5284 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5285 (struct lang_hooks_for_types): Add
5286 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5287 omp_predetermined_sharing, omp_disregard_value_expr,
5288 omp_private_debug_clause, omp_clause_default_ctor,
5289 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5290 (c_finish_omp_clauses): New.
5291 (c_finish_bc_stmt): Diagnose break within omp for.
5292 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5293 (build_unary_op): Return error_mark after reporting
5295 (build_modify_expr): Likewise.
5296 * gimplify.c: Include optabs.h and pointer-set.h.
5297 (enum gimplify_omp_var_data): Declare.
5298 (struct gimplify_omp_ctx): Declare.
5299 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5301 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5302 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5303 (splay_tree_compare_decl_uid): New.
5304 (new_omp_context): New.
5305 (delete_omp_context): New.
5306 (gimple_add_tmp_var): Call omp_add_variable.
5307 (gimplify_bind_expr): Likewise.
5308 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5309 true, disregard DECL_VALUE_EXPR on the decl if any.
5310 (gimplify_expr_in_ctx): New.
5311 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5312 omp_add_variable, omp_notice_variable, omp_is_private
5313 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5314 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5315 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5316 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5317 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5318 gimplify_omp_atomic): New.
5319 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5320 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5321 OMP_CRITICAL and OMP_ATOMIC.
5322 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5323 * c-pragma.h (enum pragma_kind): Add
5324 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5325 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5326 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5327 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5328 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5329 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5330 PRAGMA_OMP_THREADPRIVATE.
5331 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5332 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5333 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5334 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5335 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5336 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5337 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5338 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5339 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5340 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5341 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5342 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5343 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5345 (struct nesting_info): Add field_map,
5346 suppress_expansion, debug_var_chain.
5347 (create_nesting_tree): Initialize them.
5348 (lookup_field_for_decl): Use field_map.
5349 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5350 (convert_local_omp_clauses): New.
5351 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5352 (walk_body): Split out of walk_function.
5353 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5354 (convert_nonlocal_reference): Handle omp statements.
5355 (convert_local_reference): Likewise.
5356 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5357 (unnest_nesting_tree): New.
5358 (lower_nested_functions): Call it.
5359 (insert_field_into_struct): Make extern.
5360 (struct walk_stmt_info): Move to tree-gimple.h.
5361 (walk_stmts): Make extern.
5362 * omp-builtins.def: New file.
5363 * tree-iterator.c (expr_only): Clarify comment.
5364 * c-common.h (pushdecl_top_level, pushdecl,
5365 build_modify_expr, build_indirect_ref,
5366 c_finish_omp_master, c_finish_omp_critical,
5367 c_finish_omp_ordered, c_finish_omp_barrier,
5368 c_finish_omp_atomic, c_finish_omp_flush,
5369 c_finish_omp_for, c_split_parallel_clauses,
5370 omp_clause_default_kind, c_omp_sharing_predetermined,
5371 c_omp_remap_decl): Declare.
5372 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5373 (OBJS-common): Add omp-low.o.
5374 (c-omp.o, omp-low.o): Add.
5375 (gimplify.o): Add dependency on $(OPTABS_H).
5376 (GTFILES): Add omp-low.c.
5377 (gt-stringpool.h): Add.
5378 * tree-cfg.c (set_bb_for_stmt): Do not update the
5379 block-to-labels map if we are currently expanding to RTL.
5380 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5382 Handle IDENTIFIER_NODE.
5383 (tree_verify_flow_info): Do not ICE when emitting error
5384 messages about invalid labels.
5385 (dump_function_to_file): Reset CFUN before emitting the body
5387 (debug_function): New.
5388 * passes.c (init_optimization_passes): Schedule
5390 * langhooks-def.h (lhd_omp_predetermined_sharing,
5391 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5393 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5394 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5395 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5396 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5397 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5398 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5399 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5400 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5401 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5402 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5403 (LANG_HOOK_DECLS): Use them.
5405 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5406 Richard Henderson <rth@redhat.com>
5407 Jakub Jelinek <jakub@redhat.com>
5408 Diego Novillo <dnovillo@redhat.com>
5410 * c-parser.c (pragma_omp_clause): Define.
5411 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5412 (c_parser_compound_statement): Likewise.
5413 (c_parser_statement): Likewise.
5414 (c_parser_pragma): Handle omp pragmas.
5415 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5416 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5417 (c_parser_omp_clause_name, check_no_duplicate_clause,
5418 c_parser_omp_variable_list,
5419 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5420 c_parser_omp_clause_copyprivate,
5421 c_parser_omp_clause_default,
5422 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5423 c_parser_omp_clause_lastprivate,
5424 c_parser_omp_clause_nowait,
5425 c_parser_omp_clause_num_threads,
5426 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5427 c_parser_omp_clause_reduction,
5428 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5429 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5430 c_parser_omp_atomic, c_parser_omp_barrier,
5431 c_parser_omp_critical, c_parser_omp_flush,
5432 c_parser_omp_for_loop, c_parser_omp_for,
5433 c_parser_omp_master, c_parser_omp_ordered,
5434 c_parser_omp_sections_scope, c_parser_omp_sections,
5435 c_parser_omp_parallel, c_parser_omp_single,
5436 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5437 * c-pragma.c (init_pragma): Do omp pragma registration here.
5438 * c.opt (fopenmp): New flag.
5440 2006-01-18 Eric Christopher <echristo@apple.com>
5442 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5443 * config/darwin.h (GOMP_SELF_SPECS): Define.
5445 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5447 * rtl.h: Remove the prototype for reg_alloc.
5449 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5452 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5453 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5454 sjlj and dwarf2 exception handling.
5455 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5456 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5457 * pa/pa.c (function_value): Treat complex and vector types as
5459 (function_arg): Likewise. Only pass scalar floats in the floating
5460 point argument registers.
5461 * pa/t-slibgcc-dwarf-ver: New file.
5462 * pa/t-slibgcc-sjlj-ver: New file.
5463 * pa/t-slibgcc-elf-ver: Delete file.
5465 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5467 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5468 unlikely_test_section_p test.
5470 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5472 * mode-switching.c (optimize_mode_switching): Make it static.
5473 * basic-block.h: Remove the prototype for
5474 optimize_mode_switching.
5476 * modulo-sched.c (sms_schedule): Make it static.
5477 * rtl.h: Remove the prototype for sms_schedule.
5479 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5480 * rtl.h: Remove the prototype for gcse_after_reload_main.
5482 * reg-stack.c (reg_to_stack): Make it static.
5483 * rtl.h: Remove the prototype for reg_to_stack.
5485 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5487 * rtl.h: Remove the prototypes for regrename_optimize and
5488 copyprop_hardreg_forward.
5490 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5492 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5493 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5494 Test against the appropriate null constant for the mode.
5495 If 'fixup_overlap' is true, swap the operands if they overlap.
5496 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5497 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5498 alpha_split_tmode_pair and adjust for above change.
5499 * config/alpha/alpha.md (movtf_internal): Adjust call to
5500 alpha_split_tfmode_pair and rely on it to swap the operands.
5501 (movti_internal): New insn and post-reload splitter.
5502 (movti): New expander.
5504 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5506 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5509 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5511 * rtlanal.c (global_reg_mentioned_p_1,
5512 global_reg_mentioned_p): Remove.
5513 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5515 * flow.c (initialize_uninitialized_subregs): Make it static.
5516 * rtl.h: Remove the prototype for
5517 initialize_uninitialized_subregs.
5519 * function.c (instantiate_virtual_regs): Make it static.
5520 * function.h: Remove the prototype for
5521 instantiate_virtual_regs.
5523 * regmove.c (regmove_optimize, combine_stack_adjustments):
5525 * rtl.h: Remove the prototypes for regmove_optimize and
5526 combine_stack_adjustments.
5528 2006-01-17 Roger Sayle <roger@eyesopen.com>
5530 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5531 (size_cost): Encode costs in bytes so that a reg-reg addition is
5532 equivalent to COSTS_N_INSNS(1).
5533 (override_options): Use the size_cost.branch_cost as the default
5534 ix86_branch_cost when optimizing for size.
5536 2006-01-18 Ben Elliston <bje@au.ibm.com>
5538 * Makefile.in (D32PBIT_FUNCS): New.
5539 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5540 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5541 D64PBIT_FUNCS and D128PBIT_FUNCS.
5542 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5543 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5545 (decnumber_dep): Define.
5546 * doc/libgcc.texi (Decimal float library routines): New node.
5547 * config/dfp-bit.h, config/dfp-bit.c: New files.
5549 2006-01-18 Ben Elliston <bje@au.ibm.com>
5551 * expr.c (emit_move_change_mode): Always adjust addresses, not
5552 just during reload. Copy replacements only during reload.
5553 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5554 emit_move_via_integer.
5556 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5558 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5559 instead of $(srcdir) and ${srcdir}.
5561 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5565 * arm.h (struct machine_function): Add pic_reg.
5566 * arm.c (arm_pic_register): Make unsigned.
5567 (arm_override_options): Only set arm_pic_register if
5568 TARGET_SINGLE_PIC_BASE.
5569 (use_return_insn): Only test for a pic register if it is fixed.
5570 (arm_compute_save_reg0_reg12_mask): Likewise.
5571 (thumb_compute_save_reg_mask): Likewise.
5572 (legitimate_pic_operand): Factor out some known invariants.
5573 (legitimize_pic_address): If we don't have a fixed pic register,
5574 then set up a pseudo in the function entry sequence. Handle the
5575 pic base being in a pseudo.
5576 (arm_load_pic_register): Handle the pic register being in a pseudo.
5577 (arm_expand_prologue): Only set up the pic register if it is fixed.
5578 (thumb_expand_prologue): Likewise.
5579 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5580 (pic_load_addr_based_insn): Likewise.
5581 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5584 2006-01-18 Ben Elliston <bje@au.ibm.com>
5586 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5587 decimal float modes for all floating point registers.
5589 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5590 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5592 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5595 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5596 even when the pointer is not NULL.
5598 2006-01-16 Ian Lance Taylor <ian@airs.com>
5600 * common.opt (ftoplevel-reorder): New option.
5601 * cgraph.c (cgraph_asm_nodes): New global variable.
5602 (cgraph_asm_last_node): New static variable.
5603 (cgraph_order): New global variable.
5604 (cgraph_create_node): Set new order field.
5605 (cgraph_varpool_node): Likewise.
5606 (decide_is_variable_needed): Return true if not
5607 flag_toplevel_reorder.
5608 (cgraph_add_asm_node): New function.
5609 * cgraph.h (struct cgraph_node): Add order field.
5610 (struct cgraph_varpool_node): Add order field.
5611 (struct cgraph_asm_node): Define.
5612 (cgraph_asm_nodes, cgraph_order): Declare.
5613 (cgraph_add_asm_node): Declare.
5614 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5616 (cgraph_varpool_assemble_pending_decls): Call it.
5617 (cgraph_output_pending_asms): New static function.
5618 (cgraph_finalize_compilation_unit): Call it.
5619 (struct cgraph_order_sort): Define.
5620 (cgraph_output_in_order): New static function.
5621 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5622 !flag_toplevel_reorder case.
5623 * c-parser.c: Include "cgraph.h".
5624 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5626 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5627 than -fno-unit-at-a-time.
5628 * doc/invoke.texi (Option Summary): Mention
5629 -fno-toplevel-reorder.
5630 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5631 -funit-at-a-time documentation.
5633 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5634 Kazu Hirata <kazu@codesourcery.com>
5636 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5638 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5640 * Makefile.in (FUNCTION_H): New. Use it instead of
5641 function.h throughout the file.
5642 * function.h: Include tree.h.
5644 2006-01-17 Ben Elliston <bje@au.ibm.com>
5646 * recog.c: Separate some functions with whitespace.
5648 2006-01-16 Richard Henderson <rth@redhat.com>
5650 Merge from gomp branch:
5651 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5652 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5653 and rename from struct inline_data. Rename callee* to dst*;
5654 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5655 transform_new_cfg, transform_return_to_modify, and
5656 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5658 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5659 (copy_decl_for_dup): Remove.
5660 * tree-inline.c (struct inline_data): Move to header.
5661 (insert_decl_map): Export.
5662 (remap_decl): Update for member name changes. Use copy_decl hook.
5663 Allow for replacement to be a non-decl. Remove dead code.
5664 (remap_type_1): Check for existing mapping.
5665 (remap_type): Export.
5666 (remap_decls): Update for member name changes.
5667 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5668 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5669 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5670 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5671 (tree_function_versioning, build_duplicate_type): Likewise.
5672 (copy_body_r): Likewise. Export.
5673 (copy_decl_for_dup): Split into ...
5674 (copy_decl_for_dup_finish, copy_decl_to_var,
5675 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5676 (replace_ref_tree, inlining_p): Remove.
5678 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5680 * ifcvt.c (if_convert): Make it static.
5681 * rtl.h: Remove the prototype for if_convert.
5683 * local-alloc.c (local_alloc): Make it static.
5684 * rtl.h: Remove the prototype for local_alloc.
5686 * loop.c (loop_optimize): Make it static.
5687 * cfgloop.h: Remove the prototype for loop_optimize.
5690 2006-01-16 DJ Delorie <dj@redhat.com>
5692 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5695 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5697 * pa.md: Disparage copies between general and floating-point registers
5698 in 32-bit move patterns.
5700 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5703 * Makefile.in (check-%): Depend on site.exp instead of
5704 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5707 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5709 * global.c (global_alloc): Make it static.
5710 * rtl.h: Remove the prototype for global_alloc.
5712 2006-01-16 Richard Guenther <rguenther@suse.de>
5714 * tree-ssa-alias.c (struct used_part): Add write_only field.
5715 (get_or_create_used_part_for): Initialize it to true.
5716 (create_overlap_variables_for): Don't create structure variables
5717 for structures that only are written to.
5718 (find_used_portions): Handle MODIFY_EXPR to track whether a
5719 structure is only written to.
5721 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5723 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5725 * basic-block.h: Remove the prototype for
5726 partition_hot_cold_basic_blocks.
5728 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5730 * cppspec.c (lang_specific_spec_functions): Remove.
5731 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5732 * gcc.h (lang_specific_spec_functions): Remove.
5733 * gccspec.c (lang_specific_spec_functions): Remove.
5735 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5737 * combine.c (record_value_for_reg): Invalidate registers
5739 (record_dead_and_set_regs_1): Likewise, by passing them to
5740 record_value_for_reg.
5741 (record_dead_and_set_regs): Invalidate stores made by a
5742 call. We do not combine across a call, but we still
5743 relied on equivalences.
5745 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5747 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5748 vrp_int_const_binop returning non-constant nodes.
5750 2006-01-16 Paul Brook <paul@codesourcery.com>
5752 * config/m68k/m68k.c (output_move_const_into_data_reg):
5753 Output correct mnemonic for mvz and mvs.
5755 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5757 * rtl-factoring.c: Add sequence abstraction algorithm.
5758 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5759 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5761 (block_has_preserve_label): New function.
5762 * common.opt: Register new pass.
5763 * Makefile.in: Ditto.
5765 * timevar.def: Ditto.
5766 * tree-pass.h: Ditto.
5767 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5768 * rtl.h (make_jump_insn_raw): Add forward decl.
5769 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5771 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5772 Roger Sayle <roger@eyesopen.com>
5774 * fold-const.c (fold_minmax): New static function.
5775 (fold_binary) <MIN_EXPR>: Call it.
5776 <MAX_EXPR>: Likewise.
5777 * stor-layout.c (place_field): Use DECL_SIZE consistently
5778 in the computation of the new record size.
5780 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5782 * cse.c (cse_condition_code_reg): Make it static.
5783 * rtl.h: Remove the prototype for cse_condition_code_reg.
5785 * combine.c (combine_instructions): Make it static.
5786 * rtl.h: Remove the prototype for combine_instructions.
5788 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5791 * tree.c (get_file_function_name_long): Concatenate the first global
5792 object name with a string derived from the input filename of the object
5795 2006-01-16 Ben Elliston <bje@au.ibm.com>
5797 * config/i386/winnt-stubs.c: Update FSF address.
5798 * config/xtensa/ieee754-df.S: Ditto.
5799 * config/xtensa/ieee754-sf.S: Ditto.
5801 2006-01-14 Ian Lance Taylor <ian@airs.com>
5803 * ifcvt.c (noce_init_if_info): New static function, broken out of
5804 noce_process_if_block.
5805 (noce_process_if_block): Call noce_init_if_info.
5806 (check_cond_move_block): New static function.
5807 (cond_move_process_if_block): New static function.
5808 (process_if_block): Call cond_move_process_if_block.
5810 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5812 * cselib.c (hash_table): Rename to cselib_hash_table.
5813 (cselib_clear_table, discard_useless_values,
5814 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5815 cselib_init, cselib_finish): Adjust uses of hash_table.
5817 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5819 PR tree-optimization/25485
5820 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5821 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5822 is known to be false and true, respectively.
5824 2006-01-14 Richard Guenther <rguenther@suse.de>
5826 PR tree-optimization/22548
5827 PR tree-optimization/22555
5828 PR tree-optimization/22501
5829 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5830 * params.def (salias-max-array-elements): New parameter.
5831 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5832 * doc/invoke.texi (salias-max-array-elements): Document.
5833 * tree-flow-inline.h (var_can_have_subvars): We also handle
5835 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5837 * tree-ssa-structalias.c (params.h): Include.
5838 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5839 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5840 (get_constraint_for): For ADDR_EXPR operating on something
5841 containing an ARRAY_REF, add all subvars to the solution.
5842 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5843 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5844 for creating MUST_DEFs.
5845 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5847 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5849 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5851 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5852 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5853 number_of_iterations_le): New functions.
5854 (number_of_iterations_special): Removed.
5855 (number_of_iterations_exit): Do not use number_of_iterations_special.
5856 * tree.c (unsigned_type_for): Always return integer type.
5858 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5859 Richard Guenther <rguenther@suse.de>
5861 PR rtl-optimization/24257
5862 * gcse.c (find_moveable_store): Only consider a store movable
5863 when the SET_SRC of the insn can be assigned to a register.
5865 2006-01-14 Ian Lance Taylor <ian@airs.com>
5867 * tree.c (tree_not_class_check_failed): New function.
5868 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5869 (tree_not_class_check_failed): Declare.
5871 2006-01-13 Ian Lance Taylor <ian@airs.com>
5873 * reload1.c (do_output_reload): Add assertion rejecting a
5876 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5878 * combine.c (struct reg_stat): Add new fields truncation_label and
5880 (record_value_for_reg): Reset truncated_to_mode.
5881 (record_truncated_value): New function.
5882 (check_promoted_subreg): Call it. Rename to check_conversions.
5883 (combine_instructions): Rename check_promoted_subreg to
5885 (reg_truncated_to_mode): New function.
5886 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5887 (gen_lowpart_or_truncate): New function.
5888 (force_to_mode): Use it instead of gen_lowpart.
5890 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5892 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5893 VAR is a tag, not its type tag.
5895 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5897 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5898 alternatives to match style of other entries.
5899 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5901 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5903 PR tree-optimization/25771
5904 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5907 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5910 * tree-inline.c (declare_return_variable): If the return variable
5911 was marked as a non gimple complex, set the return slot variable
5912 to be a non gimple comple variable.
5914 2006-01-13 Richard Guenther <rguenther@suse.de>
5916 * builtins.c (expand_builtin_sincos): New function.
5917 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5919 (expand_builtin): Expand sincos using expand_builtin_sincos.
5921 2006-01-12 DJ Delorie <dj@redhat.com>
5923 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5924 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5925 so that constant shifts can be split.
5926 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5927 (m32c_valid_pointer_mode): Make static.
5928 (shift_gen_func_for): New.
5929 (m32c_prepare_shift): Use it. Split large const shifts into
5931 * config/m32c/predicates.md (shiftcount_operand): Allow more
5933 (longshiftcount_operand): New.
5934 * doc/md.texi (Machine Constraints): Document In6.
5936 2006-01-13 Ben Elliston <bje@au.ibm.com>
5938 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5939 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5942 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5944 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5945 to try to avoid clobbering pieces of structures when we know
5946 something about the whole structure.
5947 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5949 2006-01-13 Ben Elliston <bje@au.ibm.com>
5951 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5952 return in memory, as this is no limitation is no longer present.
5954 2006-01-12 DJ Delorie <dj@redhat.com>
5956 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5957 mova with fb, and for fb+0 -> An.
5959 * config/m32c/mov.md (peephole2): Fix enabling logic.
5961 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5962 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5963 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5964 FINI_ARRAY_SECTION_ASM_OP): Define.
5966 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5968 (m32c_legitimize_reload_address): New logic to reload FB to An.
5969 (m32c_output_reg_push): Add newline.
5970 (m32c_output_reg_pop): Likewise.
5972 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5974 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5976 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5978 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5980 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5982 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5985 2006-01-11 Ben Elliston <bje@au.ibm.com>
5987 * rtlanal.c (find_reg_note): Assert insn is not null.
5989 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5991 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5994 2006-01-11 Jeff Law <law@redhat.com>
5996 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5998 (mark_threaded_blocks, register_jump_thread): New functions.
5999 (thread_through_all_blocks): Remove unwanted argument. No
6000 longer rely on e->aux to communicate thread target info.
6001 Call mark_threaded_blocks. Release the threaded_blocks
6002 bitmap and threaded_edges vector when complete.
6003 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6004 (threaded_blocks): Remove.
6005 (tree_ssa_dominator_optimize): Remove initialization and
6006 finalization of threaded_blocks. Simplify call to
6007 thread_through_all_blocks.
6008 (thread_across_edge): Call register_jump_thread rather than
6009 storing thread information into e->aux.
6010 (free_all_edge_infos): Simplify now that e->aux is no longer
6011 used to communicate with thread_through_all_blocks.
6012 * tree-flow.h (thread_through_all_blocks): Update prototype.
6013 (register_jump_thread): Prototype.
6015 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6017 * df-core.c (df_compact_blocks, df_bb_replace): Use
6018 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6020 2006-01-11 Richard Guenther <rguenther@suse.de>
6022 PR tree-optimization/25734
6023 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6024 stop propagation after successful propagation to the LHS.
6026 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6028 * basic-block.h (control_flow_graph): Change the type of
6029 x_basic_block_info to VEC(basic_block,gc) *.
6030 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6032 (SET_BASIC_BLOCK): New.
6033 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6034 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6035 * cfgbuild.c (find_basic_blocks): Likewise.
6036 * cfglayout.c (fixup_reorder_chain): Likewise.
6037 * cfgrtl.c (create_basic_block_structure,
6038 rtl_create_basic_block): Likewise.
6039 * ifcvt.c (find_if_case_1): Likewise.
6040 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6043 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6045 * Makefile.in: Removed rotted odf.c entry.
6047 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6050 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6051 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6052 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6053 output pattern modifier, not %e.
6054 * config/cris/cris.c (cris_op_str): Update comment about pattern
6056 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6057 before falling through into...
6058 <case 'E'>: Redefined from old 'e' case.
6060 2006-01-11 Jan Hubicka <jh@suse.cz>
6063 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6065 2006-01-11 Jan Hubicka <jh@suse.cz>
6067 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6068 * i386.c (x86_decompose_lea): Kill.
6069 (ix86_rtx_costs): Kill.
6071 2006-01-11 Jan Hubicka <jh@suse.cz>
6073 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6074 * cgraph.h (cgraph_node): Add inline_decl.
6075 (cgraph_insert_node_to_hashtable): Declare.
6076 (save_inline_function_body): Declare.
6077 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6079 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6080 (cgraph_function_versioning): Update call of tree_function_versioning.
6081 (save_inline_function_body): New function.
6082 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6083 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6084 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6085 (cgraph_default_inline_p): Likewise.
6086 (cgraph_decide_inlining_incrementally): Likewise.
6087 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6088 (copy_bb): Kill saving; do updating of clones.
6089 (copy_cfg_body): Kill saving.
6090 (initialize_inlined-parameters): Likewise.
6091 (expand_call_inline): Likewise.
6093 (tree_function_versioning): New parameter "update_clones".
6094 (inlining_p): Kill saving.
6095 * tree-inline.h (tree_function_versioning): Update prototype.
6096 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6099 2006-01-11 Ian Lance Taylor <ian@airs.com>
6101 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6102 Allow undoing set of machine mode.
6103 (do_SUBST): Use enums instead of is_int.
6104 (do_SUBST_MODE): New function.
6105 (SUBST_MODE): New macro.
6106 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6107 reg and trying to replace reg_regno_rtx with a new register.
6108 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6109 (simplify_set): Use SUBST_MODE.
6110 (distribute_notes): Remove code that tried to update reg notes
6111 for regno_reg_rtx changes.
6113 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6115 PR tree-optimization/23109
6116 PR tree-optimization/23948
6117 PR tree-optimization/24123
6119 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6120 * tree-cfg.c (single_noncomplex_succ): New.
6121 * tree-flow.h (single_noncomplex_succ): Declare it.
6122 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6123 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6124 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6125 insert_bb, register_division_in, insert_reciprocals,
6126 replace_reciprocal, free_bb): New.
6127 (execute_cse_reciprocals_1): Rewritten.
6128 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6129 Do not commit any edge insertion. Always compute dominators and
6130 create the allocation pool.
6131 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6132 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6133 * targhooks.c (default_min_divistions_for_recip_mul): New.
6134 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6135 * passes.c (init_optimization_passes): Run recip after tree loop
6137 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6139 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6140 Kenneth Zadeck <zadeck@naturalbridge.com>
6142 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6143 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6144 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6145 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6146 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6147 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6148 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6149 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6150 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6151 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6152 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6153 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6154 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6155 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6156 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6157 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6158 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6159 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6160 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6161 DF_SCAN_POST_ALLOC): New macros.
6162 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6163 df_free_bb_function, df_local_compute_function, df_init_function,
6164 df_dataflow_function, df_confluence_function_0,
6165 df_confluence_function_n, df_transfer_function,
6166 df_finalizer_function, df_free_function, df_dump_problem_function,
6167 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6168 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6169 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6170 df_urec_bb_info, ) New types.
6171 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6173 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6174 df_analyze_simple_change_some_blocks,
6175 df_analyze_simple_change_one_block, df_compact_blocks,
6176 df_bb_replace, df_bb_regno_last_use_find,
6177 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6178 df_insn_regno_def_p, df_find_def, df_find_use,
6179 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6180 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6181 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6182 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6183 debug_df_chain, df_get_dependent_problem, df_chain_create,
6184 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6185 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6186 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6187 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6188 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6189 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6190 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6191 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6192 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6193 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6194 df_reorganize_refs, df_set_state, df_hard_reg_init,
6195 df_read_modify_subreg_p) New public functions.
6196 * df-core.c: The core dataflow solver and glue routines for rtl
6198 (df_init, df_add_problem, df_set_blocks, df_finish,
6199 df_hybrid_search_forward, df_hybrid_search_backward,
6200 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6201 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6202 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6203 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6204 df_reg_defined, df_find_use, df_reg_used, df_dump,
6205 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6206 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6207 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6208 debug_df_useno, reset_df_after_reload): New functions.
6209 * df-scan.c: The scanning fuctions, once in df.c, completely
6210 rewritten so that they now fully model the functionality of
6211 register usage at the backend.
6212 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6213 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6214 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6215 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6216 df_get_artificial_defs, df_get_artificial_uses,
6217 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6218 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6219 df_refs_delete, df_reorganize_refs, df_set_state,
6220 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6221 df_def_record_1, df_defs_record, df_uses_record,
6222 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6223 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6224 df_record_exit_block_uses, df_hard_reg_init): New functions.
6226 * df-problems.c: Seven concrete dataflow problems that use the
6227 scanning in df-scan.c and are solved by the engine in df-core.c.
6228 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6229 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6230 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6231 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6232 df_ru_free_bb_info, df_ru_alloc,
6233 df_ru_bb_local_compute_process_def,
6234 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6235 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6236 df_ru_transfer_function, df_ru_free, df_ru_dump,
6237 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6238 df_rd_free_bb_info, df_rd_alloc,
6239 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6240 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6241 df_rd_transfer_function, df_rd_free, df_rd_dump,
6242 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6243 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6244 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6245 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6246 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6247 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6248 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6249 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6250 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6251 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6252 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6253 df_urec_mark_reg_use_for_earlyclobber,
6254 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6255 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6256 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6257 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6258 df_chain_create_bb_process_use, df_chain_create_bb,
6259 df_chain_finalize, df_chain_free, df_chains_dump,
6260 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6261 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6262 df_reg_lifetime): New functions.
6263 * df.c: Deleted file.
6264 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6265 consistent with new df api.
6266 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6267 rest_of_handle_sms): Ditto.
6268 * web.c (unionfind_union, union_defs, entry_register, web_main):
6270 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6271 invariant_expr_equal_p, find_defs, check_dependencies,
6272 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6273 free_inv_motion_data, move_loop_invariants): Ditto.
6274 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6275 Update dependencies.
6276 (odf.c): Added defective entry that was deleted later in day.
6277 * sched-deps.c (sched_analyze_1): Ditto.
6279 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6281 * tree-ssa-operands.c (get_expr_operands): Record addressable
6282 variables directly. Do not call add_stmt_operands for CONST_DECLs
6284 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6285 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6287 2006-01-11 Ben Elliston <bje@au.ibm.com>
6289 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6290 function returns true in the positive case.
6292 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6295 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6296 for SI, DI, SF and DF modes. Add alternatives to copy between
6297 general and floating point registers to the 32-bit patterns.
6298 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6299 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6300 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6301 generating 64-bit code.
6302 * config/pa/pa.c (output_move_double): Handle copies between general
6303 and floating registers.
6305 2006-01-10 Stuart Hastings <stuart@apple.com>
6307 * config/i386/i386.md (set_got): Update.
6308 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6309 (builtin_setjmp_receiver): Mach-O support.
6310 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6311 (GOT_SYMBOL_NAME): Define.
6312 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6313 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6314 * config/i386/i386.c (override_options): Revise for Darwin.
6315 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6316 support. (darwin_x86_file_end): New. (output_set_got): Add label
6317 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6318 * config/i386/i386-protos.h (output_set_got): Likewise.
6319 * config/darwin.c (machopic_legitimize_pic_address): Update
6322 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6324 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6325 when MODE isn't BLKmode.
6327 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6329 PR rtl-optimization/25367
6330 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6332 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6335 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6336 for a negative bound.
6338 2006-01-10 Richard Guenther <rguenther@suse.de>
6340 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6341 Never override with anything constraint.
6343 2006-01-10 Jan Beulich <jbeulich@novell.com>
6345 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6346 256 bits when optimize_size.
6348 2006-01-10 Jan Beulich <jbeulich@novell.com>
6350 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6352 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6353 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6356 2006-01-10 Ben Elliston <bje@au.ibm.com>
6358 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6360 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6361 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6362 (USE_FP_FOR_ARG): Reject decimal float modes.
6363 (function_arg_advance): Likewise.
6364 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6365 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6366 point types in AltiVec vectors.
6367 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6368 (rs6000_libcall_value): Likewise.
6370 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6372 * config/xtensa/ieee754-df.S: New file.
6373 * config/xtensa/ieee754-sf.S: New file.
6374 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6375 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6376 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6378 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6380 * config/sh/predicates.md (binary_float_operator,
6381 binary_logical_operator, commutative_float_operator,
6382 equality_comparison_operator, greater_comparison_operator,
6383 less_comparison_operator, logical_operator,
6384 noncommutative_float_operator, shift_operator,
6385 symbol_ref_operand, unary_float_operator): Remove redundant
6388 2006-01-09 Jeff Law <law@redhat.com>
6390 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6391 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6392 now unused arguments. Callers updated.
6393 (eliminate_redundant_computations): Remove now unused arguments,
6395 (local_fold): Remove, no longer used.
6396 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6398 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6399 (simplify_cond): New function.
6400 (forward_propagate_into_cond): Call simplify_cond.
6402 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6404 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6405 (*vec_extractv2di_1_sse): New.
6407 2006-01-09 Ben Elliston <bje@au.ibm.com>
6409 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6411 2006-01-08 Richard Guenther <rguenther@suse.de>
6413 * tree-ssa-structalias.c (get_constraint_for): Remove
6415 (get_constraint_for_component_ref): Likewise.
6416 (do_deref): Likewise.
6417 (get_constraint_for): Likewise.
6418 (do_structure_copy): Likewise.
6419 (handle_ptr_arith): Likewise.
6420 (find_func_aliases): Likewise. Remove unused need_anyoffset
6423 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6424 Kaz Kojima <kkojima@gcc.gnu.org>
6426 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6427 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6428 (EXTRA_CONSTRAINT_C16): Remove.
6429 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6430 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6431 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6432 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6433 constants of SHmedia. Handle nested constant expressions of
6435 (andcosts): Fix the costs for SHmedia constants.
6436 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6437 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6438 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6439 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6440 (movv4hi_i, movv2si_i): Likewise.
6441 (movsi_const): Adjust the second operand of ior so to match with
6443 (movdi_const, movdi_const_32bit): Likewise.
6444 (movdi_const_16bit+1): Don't sign-extend LOW.
6445 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6447 (*double_shori): Fix the split condition. Use GEN_INT instead
6448 of get_int_mode calls. Mask lower 16-bit of the argument of
6450 (sym2GOTPLT): Remove.
6451 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6453 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6454 instead of EXTRA_CONSTRAINT_C16.
6456 2006-01-07 Ian Lance Taylor <ian@airs.com>
6457 David Edelsohn <edelsohn@gnu.org>
6459 PR rtl-optimization/25662
6460 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6461 for constant operands instead of simplify_gen_binary.
6462 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6463 after trying simplify_binary_operation
6465 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6467 * tree.c (iterative_hash_expr): Hash decls based on UID.
6469 2006-01-06 Eric Christopher <echristo@apple.com>
6471 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6472 (TARGET_UNWIND_EMIT): Fix spelling.
6473 * target.h (gcc_target): Add except_table_label.
6474 * except.c (output_function_exception_table): Use.
6475 * varasm.c (default_emit_except_table_label): New.
6476 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6478 (asm_out): Add here.
6479 * output.h (default_emit_except_table_label): Prototype.
6480 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6481 * config/darwin.c (darwin_emit_except_table_label): Define.
6482 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6484 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6486 PR tree-optimization/18527
6487 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6488 number_of_iterations_special, number_of_iterations_exit):
6489 Move base and step of an iv to a single structure. Add
6490 no_overflow flag, and use it in # of iterations analysis.
6491 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6492 folded_casts argument.
6493 (simple_iv): Pass base and step in a structure. Set no_overflow
6495 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6496 Evaluate expensiveness of computing # of iterations instead of
6497 the final expression.
6498 * tree-scalar-evolution.h (affine_iv): New structure.
6499 (simple_iv): Declaration changed.
6500 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6501 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6502 find_givs_in_stmt): Changed due to simple_iv change.
6504 2006-01-06 Jeff Law <law@redhat.com>
6507 * tree-cfg.c (bsi_replace): Rename final argument from
6508 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6509 change (stmt -> orig_stmt).
6510 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6511 (bsi_remove): Add new argument. Remove EH information
6513 (verify_eh_throw_table_statements): New function.
6514 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6516 * tree-optimize.c (execute_free_cfg_annotations): Verify
6517 the EH throw statement table after removing annotations.
6518 * except.h (verify_eh_throw_table_statements): Prototype.
6519 * tree-flow.h (bsi_remove): Update prototype.
6520 * tree-vrp.c (remove_range_assertions): Add new argument to
6522 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6523 * tree-complex.c (expand_complex_div_wide): Likewise.
6524 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6525 * tree-tailcall.c (eliminate_tailcall): Likewise.
6526 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6527 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6528 * tree-nrv.c (tree_nrv): Likewise.
6529 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6530 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6531 (combine_blocks): Likewise.
6532 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6533 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6534 (cleanup_control_flow): Likewise.
6535 (remove_forwarder_block): Likewise.
6536 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6537 * tree-sra.c (sra_replace): Likewise.
6538 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6539 (forward_propagate_single_use_vars): Likewise.
6540 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6541 * tree-inline.c (expand_call_inline): Likewise.
6542 * tree-vect-transform.c (vect_transform_loop): Likewise.
6543 * tree-outof-ssa.c (rewrite_trees): Likewise.
6544 * tree-cfg.c (make_goto_expr_edges): Likewise.
6545 (cleanup_dead_labels): Likewise.
6546 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6547 (bsi_move_before, bsi_move_after): Likewise.
6548 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6549 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6551 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6554 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6556 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6557 on non gimple variables. Also add checks at the top for decls and
6559 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6561 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6562 and IMAGPART_EXPR for creating MUST_DEFs.
6563 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6564 and NAME_MEMORY_TAG separately from the DECLs.
6566 2006-01-06 Richard Guenther <rguenther@suse.de>
6568 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6569 annotation, if necessary.
6570 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6571 redundant calls to update_stmt.
6572 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6575 2006-01-05 Richard Henderson <rth@redhat.com>
6577 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6579 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6581 * c-typeck.c: Update copyright date.
6583 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6585 * c-typeck.c (build_c_cast): Always warn when casting
6586 from a pointer to an integer of different size, even if
6587 the node was constant.
6589 2006-01-05 Richard Guenther <rguenther@suse.de>
6591 PR tree-optimization/22555
6592 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6593 if one structure field is an array.
6594 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6595 operands even if we found a subvar, but ignore VOPs in this
6597 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6599 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6601 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6604 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6606 2006-01-05 Richard Guenther <rguenther@suse.de>
6607 Diego Novillo <dnovillo@redhat.com>
6609 * tree-pass.h (TODO_remove_unused_locals): Define.
6610 * gimple-low.c (expand_var_p, remove_useless_vars,
6611 pass_remove_useless_vars): Remove. Update all users.
6612 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6613 (remove_unused_locals): New function.
6614 * tree-flow.h (remove_unused_locals): Declare.
6615 * passes.c (execute_todo): Call remove_unused_locals if
6616 TODO_remove_unused_locals is set.
6617 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6618 * tree-ssa-dce.c (pass_dce): Likewise.
6619 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6621 2006-01-05 Richard Guenther <rguenther@suse.de>
6623 * tree-flow.h (struct fieldoff): Decompose field to
6624 type, size and decl.
6625 * tree-ssa-alias.c (create_sft): Take type as parameter.
6626 (create_overlap_variables_for): Store type, size and decl
6627 in the fieldoff structure.
6628 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6630 (push_fields_onto_fieldstack): Likewise.
6631 (create_variable_info_for): Likewise. Use offset for the
6632 SFT name if the decl is not available.
6634 2006-01-04 Paul Brook <paul@codesourcery.com>
6636 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6638 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6640 * lambda-code.c (can_put_in_inner_loop): Relax
6642 (can_put_after_inner_loop): New function.
6643 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6644 (perfect_nestify): Change to make copies and modify uses.
6646 2006-01-04 Richard Henderson <rth@redhat.com>
6648 Merge from gomp branch:
6649 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6650 via integer constant.
6651 (pragma_lex): Remove.
6652 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6653 rather than parsing it.
6654 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6655 handle_pragma_extern_prefix): Add %< %> quotes.
6656 (registered_pragmas): New.
6657 (c_register_pragma_1): New.
6658 (c_register_pragma): Use it.
6659 (c_register_pragma_with_expansion): Likewise.
6660 (c_invoke_pragma_handler): New.
6661 (init_pragma): Use cpp_register_deferred_pragma directly for
6663 * c-pragma.h (enum pragma_kind): New.
6664 (pragma_handler): New.
6665 (c_invoke_pragma_handler): Declare.
6666 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6668 * c-common.h (c_common_pch_pragma): Update decl.
6669 * Makefile.in (c-parser.o): Update dependencies.
6670 (GTFILES): Add c-pragma.h.
6671 * c-parser.c (struct c_token): Add pragma_kind.
6672 (struct c_parser): Add in_pragma.
6673 (c_lex_one_token): Always initialize keyword and pragma_kind.
6674 Extract data for CPP_PRAGMA.
6675 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6676 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6677 Don't allow CPP_PRAGMA_EOL if in_pragma.
6678 (c_parser_consume_pragma): New.
6679 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6680 (c_parser_skip_to_end_of_parameter): Likewise.
6681 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6682 (c_parser_skip_to_pragma_eol): New.
6683 (c_parser_external_declaration): Handle CPP_PRAGMA.
6684 (c_parser_compound_statement_nostart): Likewise.
6685 (c_parser_statement_after_labels): Likewise.
6686 (c_parser_pragma): New.
6687 (pragma_lex): Likewise.
6688 (c_parser_pragma_pch_preprocess): New.
6689 (c_parser_new): Merge into ...
6690 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6692 2006-01-04 Jeff Law <law@redhat.com>
6695 * tree-cfg.c (bsi_replace): Remove the original statement
6696 from the EH throw statement table.
6698 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6700 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6701 make the prototype extern "C" and add throw ().
6704 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6705 and pos non-negative and pos + len <= 32.
6706 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6707 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6708 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6711 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6712 as well as sizes not multiple of component size.
6715 * function.c (instantiate_expr): New function.
6716 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6717 walk its DECL_VALUE_EXPR with instantiate_expr.
6719 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6720 DW_OP_deref{,_size} if address isn't going to be added.
6722 2006-01-04 Ben Elliston <bje@au.ibm.com>
6724 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6725 * config/fp-bit.c: Likewise.
6727 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6729 * dominance.c: Add comment about why we use DFS numbering
6732 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6733 Richard Henderson <rth@redhat.com>
6735 Merge from gomp-branch:
6736 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6737 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6739 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6741 PR rtl-optimization/25578
6742 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6743 pass a parameter to simplify_shift_const if changing ASHIFTRT
6746 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6748 * builtins.c (get_builtin_sync_mem): New function.
6749 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6750 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6751 Call get_builtin_sync_mem to generate mem rtx.
6753 2006-01-03 Richard Guenther <rguenther@suse.de>
6756 * stmt.c (add_case_node): Make sure to clear overflow flags
6759 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6761 Merge from gomp-branch.
6762 * config/sparc/sync.md: New file.
6763 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6764 UNSPECV_LDSTUB): New constants.
6765 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6766 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6767 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6770 2006-01-03 Roger Sayle <roger@eyesopen.com>
6772 * combine.c (reg_subword_p): New predicate to test whether the
6773 destination of a set refers to a subword/piece of a register.
6774 (try_combine): Generalize the code to merge the setting of a
6775 pseudo to a constant followed by a set of a subword of that
6776 register to a constant.
6778 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6780 * basic-block.h (control_flow_graph): Change the type of
6781 x_label_to_block_map to VEC(basic_block,gc) *.
6782 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6783 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6785 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6786 VEC(basic_block,heap) *.
6787 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6788 ssa_prop_fini): Adjust the uses of cfg_blocks.
6790 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6792 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6794 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6795 hashing trees instead of a pointer hash.
6796 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6797 compare for MEM_EXPR.
6799 PR rtl-optimization/25130
6800 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6801 when comparing MEMs for GCSE
6803 2006-01-03 Ben Elliston <bje@au.ibm.com>
6805 * targhooks.h (default_decimal_float_supported_p): Declare.
6806 * targhooks.c (default_decimal_float_supported_p): Define.
6807 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6808 `default_decimal_float_supported_p'.
6809 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6811 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6813 * combine.c (apply_distributive_law <SUBREG>): Check
6814 TRULY_NOOP_TRUNCATION.
6816 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6818 * dwarf2out.c (have_switched_text_section): Delete.
6819 (have_multiple_function_sections): New.
6820 (have_location_lists): Make 'bool'.
6821 (add_AT_loc_list): Use 'true' not '1'.
6822 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6823 (output_loc_list): Use have_multiple_function_sections.
6824 (output_ranges): Likewise.
6825 (dwarf2out_begin_function): Set have_multiple_function_sections if
6827 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6828 Check function_section rather than DECL_SECTION_NAME.
6829 (dwarf2out_finish): Use have_multiple_function_sections.
6830 Don't clear have_location_lists.
6832 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6833 Jan Hubicka <jh@suse.cz>
6835 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6836 case of conditional jump jumping to the next instruction.
6837 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6838 cases of conditional jump jumping to the next instruction.
6840 2006-01-02 Jan Hubicka <jh@suse.cz>
6842 * i386.c (*_cost): Add COSTS_N_INSNS.
6843 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6845 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6848 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6850 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6852 * config/arm/arm.c (all_fpus): Fix comment typo.
6853 * config/darwin.c: Likewise.
6854 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6855 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6856 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6858 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6860 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6861 (rs6000_split_compare_and_swapqhi): New.
6862 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6863 (sync_compare_and_swapqhi_internal): New.
6864 * config/rs6000/rs6000-protos.h: Declare.