1 2006-03-10 DJ Delorie <dj@redhat.com>
3 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5 (m32c_expand_insv): Fix test for an AND mask.
7 2006-03-10 Richard Guenther <rguenther@suse.de>
10 * builtins.c (get_pointer_alignment): Handle component
11 references for field alignment.
13 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16 when building with libgloss.
17 (sh*elf): Implement --without-fp option.
18 (sh64-superh-linux*): Don't multilib.
20 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
22 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
24 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
26 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
27 Set it when one of the replacement functions returned true.
28 Return TODO_cleanup_cfg if cfgchanged is true.
29 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
31 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
33 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
34 instead of gen_lowpart.
36 2006-03-09 Richard Sandiford <richard@codesourcery.com>
38 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
40 (mips_output_order_conditional_branch): Declare.
41 * config/mips/mips.h (MIPS_BRANCH): New macro.
42 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
43 for the comparison. Use gen_condjump.
44 (mips_output_conditional_branch): Rework interface to take the
45 asm templates for a direct branch and the inverse of a direct branch.
46 (mips_output_order_conditional_branch): New function.
47 (mips_builtin_branch_and_move): New function.
48 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
49 branch condition. Use gen_single_cc as the condition for
50 __builtin_mips_upper_* or __builtin_mips_lower_*.
51 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
52 Use VOIDmode for the branch condition.
53 * config/mips/predicates.md (order_operator): New predicate.
54 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
55 (branch_fp): Rename to...
56 (*branch_fp): ...this. Remove mode from comparison operator.
57 Use new mips_output_conditional_branch interface.
58 (branch_fp_inverted): Rename to...
59 (*branch_fp_inverted): ...this and update as for *branch_fp.
60 (*branch_zero<mode>): Rename to...
61 (*branch_order<mode>): ...this. Remove mode from comparison operator.
62 Use mips_output_order_conditional_branch. Only accept ordered
64 (*branch_zero<mode>_inverted): Rename to...
65 (*branch_order<mode>_inverted): ...this and update as for
67 (*branch_equality<mode>): Accept zero as the second operand to
68 the equality operator. Use the new mips_output_conditional_branch
70 (*branch_equality<mode>_inverted): Likewise.
71 (condjump): New expander.
72 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
74 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
75 (bc1any2t, bc1any2f): Likewise.
76 (single_cc): New expander.
77 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
79 2006-03-09 Richard Sandiford <richard@codesourcery.com>
81 * doc/md.texi: Update documentation of MIPS constraints.
82 * config/mips/constraints.md: New file.
83 * config/mips/mips.md: Include it.
84 * config/mips/mips.c (mips_char_to_class): Delete.
85 (override_options): Don't initialize mips_char_to_class.
86 * config/mips/mips.h (mips_char_to_class): Delete.
87 (REG_CLASS_FROM_LETTER): Delete.
88 (CONST_OK_FOR_LETTER_P): Delete.
89 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
90 (EXTRA_CONSTRAINT_Y): Delete.
91 (EXTRA_CONSTRAINT_STR): Delete.
92 (CONSTRAINT_LEN): Delete.
93 (EXTRA_MEMORY_CONSTRAINT): Delete.
95 2006-03-09 Diego Novillo <dnovillo@redhat.com>
97 * tree-cfg.c (move_block_to_fn): Remove the statements from the
98 original fn's eh regions.
100 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
102 * fold-const.c (build_range_check): Make sure to use a valid type to
103 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
106 (range_predecessor): New static function.
107 (range_successor): Likewise.
108 (merge_ranges): Use them to compute predecessors and successors of
111 2006-03-09 Roger Sayle <roger@eyesopen.com>
114 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
115 X op C3, consider whether C3 overflows towards +Inf or -Inf.
117 2006-03-08 DJ Delorie <dj@redhat.com>
119 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
120 (addpsi3): Expand to include memory operands. Remove
121 reload-specific splits.
122 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
123 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
124 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
125 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
126 (shift1_qi, shift1_hi, insv): New.
127 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
128 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
129 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
131 * config/m32c/m32c-protos.h: Update as needed.
132 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
133 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
134 Fail for unrecognized R* constraints.
135 (m32c_cannot_change_mode_class): Be more picky about pseudos.
136 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
137 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
139 (m32c_init_libfuncs): New.
140 (m32c_legitimate_address_p): Add debug wrapper.
141 (m32c_rtx_costs): New.
142 (m32c_address_cost): New.
143 (conversions): Add 'B' prefix.
144 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
145 operands, or word regnames for QI operands. 'B' prints bit
147 (m32c_expand_setmemhi): New.
148 (m32c_expand_movmemhi): New.
149 (m32c_expand_movstr): New.
150 (m32c_expand_cmpstr): New.
151 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
152 (m32c_expand_neg_mulpsi3): Handle non-ints.
153 (m32c_cmp_flg_0): New.
154 (m32c_expand_movcc): New.
155 (m32c_expand_insv): New.
156 (m32c_scc_pattern): New.
157 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
159 (STORE_FLAG_VALUE): New.
160 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
163 * config/m32c/mov.md: Make constraints more liberal.
164 (zero_extendqihi2): Optimize r0/r1 case.
165 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
166 * config/m32c/predicates.md (m32c_any_operand): New.
167 (m32c_nonimmediate_operand): New.
168 (m32c_hl_operand): New.
169 (m32c_r3_operand): New.
172 (memsym_operand): New.
173 (memimmed_operand): New.
175 (m32c_eqne_operator): New.
176 (m32c_1bit8_operand): New.
177 (m32c_1bit16_operand): New.
178 (m32c_1mask8_operand): New.
179 (m32c_1mask16_operand): New.
180 * config/m32c/blkmov.md: New file.
181 * config/m32c/t-m32c (MD_FILES): Add blkmov.
183 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
185 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
186 unsigned to fix signed/unsigned comparison issue in
187 DWARF2_FRAME_REG_OUT.
188 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
189 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
191 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
192 of ptr into the ENABLE_CHECKING section.
194 2006-03-08 Jeff Law <law@redhat.com>
196 * tree-vrp.c (infer_value_range): Only count pointer uses
197 and dereferences if -fdelete-null-pointer-checks is enabled.
199 * tree-vrp.c (find_assert_locations): Infer value ranges for
200 single use pointers, but do not create ASSERT_EXPRs for them.
201 When a non-null range is inferred for a pointer, backwards
202 propagate that range to other equivalent pointers through the
205 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
208 * Makefile.in (dvi, html, install-info): Invoke the corresponding
209 language hook targets.
210 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
211 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
212 if language hook targets were missing.
214 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
216 * tree-ssa-opfinalize.h: Removed.
217 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
219 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
220 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
221 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
222 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
223 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
224 finalize_ssa_v_must_def_ops): New.
226 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
228 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
231 2006-03-07 Geoffrey Keating <geoffk@apple.com>
233 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
235 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
236 addresses with offsets; reorganize.
238 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
239 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
240 (expand_builtin_init_dwarf_reg_sizes): Likewise.
242 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
245 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
247 2006-03-08 Ben Elliston <bje@au.ibm.com>
249 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
251 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
254 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
257 2006-03-07 Richard Guenther <rguenther@suse.de>
259 PR tree-optimization/26587
260 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
262 2006-03-07 Richard Sandiford <richard@codesourcery.com>
264 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
266 2006-03-07 Richard Sandiford <richard@codesourcery.com>
268 * hooks.c (hook_bool_mode_rtx_true): New function.
269 * hooks.h (hook_bool_mode_rtx_true): Declare.
270 * toplev.c (compile_file): Call output_shared_constant_pool.
271 * varasm.c (shared_constant_pool): New variable.
272 (assemble_start_function, assemble_end_function): Remove arguments
273 from call to output_constant_pool.
274 (create_constant_pool): New function, split out from...
275 (init_varasm_status): ...here.
276 (force_const_mem): Choose between the shared and per-function constant
277 pools. Set current_function_uses_const_pool when reusing old entries
278 as well as when creating new ones.
279 (mark_constant): Ignore data argument.
280 (mark_constants): Remove pool argument.
281 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
282 to decide whether the function uses a constant pool.
283 (output_constant_pool_contents): New function, split out from...
284 (output_constant_pool): ...here.
285 (output_shared_constant_pool): New function.
286 (init_varasm_once): Initialize shared_constant_pool.
287 * output.h (output_constant_pool): Delete.
288 (output_shared_constant_pool): Declare.
289 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
290 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
292 2006-03-06 Nick Clifton <nickc@redhat.com>
294 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
295 flag_strength_reduce.
297 2006-03-06 Ben Elliston <bje@au.ibm.com>
299 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
300 x86_64-*-linux* configurations.
302 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
303 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
305 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
307 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
309 * basic-block.h: Remove the extern for
310 rediscover_loops_after_threading.
312 * cfgloop.c (cancel_loop): Make it static.
313 * cfgloop.h: Remove the prototype for cancel_loop.
315 * flow.c (recompute_reg_usage): Make it static.
316 * rtl.h: Remove the prototype for recompute_reg_usage.
318 * function.c (use_return_register): Make it static.
319 * function.h: Remove the prototype.
321 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
323 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
325 * recog.h: Remove the prototype for
326 validate_change_maybe_volatile.
328 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
330 * rtlanal.c (replace_reg): Remove.
331 * rtl.h: Remove the prototype for replace_reg.
333 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
335 * regclass.c (reg_scan_update): Remove.
336 (reg_scan_mark_refs): Remove the last argument.
337 * rtl.h: Remove the prototype for reg_scan_update.
339 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
341 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
342 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
343 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
344 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
345 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
346 loop-invariant.c, omp-low.c, opts.c, passes.c,
347 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
348 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
349 tree-ssa-structalias.c, tree-ssa-threadedge.c,
350 tree-ssa-threadupdate.c, tree-vect-patterns.c,
351 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
352 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
354 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
356 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
357 * dwarf2out.h: Remove the prototype for
358 dwarf2out_add_library_unit_info.
360 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
362 * tree.c (add_var_to_bind_expr): Remove.
363 * tree.h: Remove the prototype for add_var_to_bind_expr.
365 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
367 * regclass.c (n_non_fixed_regs): Remove.
368 (init_reg_sets_1, globalize_reg): Remove all uses of
370 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
372 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
374 * rtlanal.c (insns_safe_to_move_p): Remove.
375 * rtl.h: Remove the prototype for insns_safe_to_move_p.
377 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
379 * expmed.c (expand_mult_add): Remove.
380 * expr.h: Remove the prototype for expand_mult_add.
382 2006-03-04 Jakub Jelinek <jakub@redhat.com>
384 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
385 and REG_SAVED_VAL_EXP constants.
386 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
387 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
388 Handle regs stored by value.
389 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
390 (execute_cfa_program): Handle DW_CFA_val_offset,
391 DW_CFA_val_offset_sf and DW_CFA_val_expression.
392 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
393 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
394 (uw_install_context_1): Handle target regs stored by value.
396 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
398 * tree-sra.c (tree_sra): Return todoflags;
399 (generate_one_element): Set TODO_update_smt_usage if needed.
400 (pass_sra): Remove TODO_update_smt_usage.
401 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
403 (tree_ssa_forward_propagate_single_use_vars): Return
404 TODO_update_smt_usage if we need to update SMT usage.
405 (pass_forwprop): Remove TODO_update_smt_usage.
407 2006-03-03 Diego Novillo <dnovillo@redhat.com>
409 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
410 (correct_use_link): Remove reference to get_stmt_operands.
411 (update_stmt_operands): Likewise.
412 (get_modify_expr_operands): New function factored out of
413 parse_ssa_operands and get_expr_operands.
414 Try to create V_MUST_DEFs for LHS by default.
415 (get_expr_operands) <case MODIFY_EXPR>: Call
416 get_modify_expr_operands.
417 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
418 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
419 (parse_ssa_operands) <case MODIFY_EXPR>: Call
420 get_modify_expr_operands.
422 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
424 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
425 * tree-flow.h: Remove the prototype for
426 referenced_var_lookup_if_exists.
428 2006-03-03 Steve Ellcey <sje@cup.hp.com>
430 PR rtl-optimization/26345
432 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
434 2006-03-03 Roger Sayle <roger@eyesopen.com>
436 PR tree-optimization/26524
437 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
438 fold_convert to create a constant of the appropriate type.
440 2006-03-03 Richard Sandiford <richard@codesourcery.com>
442 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
443 SYMBOL_REF_IN_BLOCK_P.
444 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
445 of SYMBOL_FLAG_IN_BLOCK.
446 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
447 instead of SYMBOL_REF_IN_BLOCK_P.
448 * explow.c (use_anchored_address): Likewise.
449 * rtl.c (rtx_size): Likewise.
450 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
451 instead of SYMBOL_FLAG_IN_BLOCK.
452 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
453 SYMBOL_REF_IN_BLOCK_P.
454 (assemble_variable): Likewise.
455 (output_constant_def_contents): Likewise.
456 (output_constant_pool): Likewise.
457 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
458 instead of SYMBOL_FLAG_IN_BLOCK.
459 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
460 SYMBOL_REF_IN_BLOCK_P.
461 (SYMBOL_REF_BLOCK): Likewise.
462 (SYMBOL_REF_OFFSET): Likewise.
463 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
464 SYMBOL_REF_IN_BLOCK_P.
465 (SYMBOL_FLAG_IN_BLOCK): Replace with...
466 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
467 (SYMBOL_REF_IN_BLOCK_P): Replace with...
468 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
470 2006-03-03 Jakub Jelinek <jakub@redhat.com>
472 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
474 2006-03-02 Roger Sayle <roger@eyesopen.com>
476 * simplify-rtx.c (simplify_unary_operation): When simplifying
477 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
478 that we perform the right shift in the appropriate mode, and
479 then extend or truncate the result to requested mode.
481 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
483 * gengtype.c (main): Handle double_int type.
484 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
485 * double-int.c: New file.
486 * double-int.h: New file.
487 * system.h: Include doubleint.h.
488 * Makefile.in (SYSTEM_H): Include double-int.h.
491 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
494 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
497 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
499 * tree-vrp.c (remove_range_assertions): Do not update statements
502 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
504 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
506 * gcse.c (rest_of_handle_gcse): Ditto.
507 * except.c (gate_handle_eh): Ditto.
508 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
509 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
511 2006-03-02 Eric Christopher <echristo@apple.com>
513 * config/i386/i386.c (machopic_output_stub): Add indirection to
516 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
520 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
522 Sun Niagara specific optimizations.
523 * config.gcc: Recognize niagara as target.
524 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
525 (TARGET_CPU_niagara): Define.
526 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
527 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
528 (CPP_CPU_SPEC): Handle -mcpu=niagara.
529 (ASM_CPU_SPEC): Likewise.
530 (PROCESSOR_NIAGARA): New enum entry.
531 (REGISTER_MOVE_COST): Handle Niagara.
532 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
533 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
534 (sparc_override_options): Recognize "niagara", set appropriate
535 default MASK_* values for it, and align functions to 32-bytes
536 by default just like ULTRASPARC/ULTRASPARC3.
537 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
538 (sparc64_initialize_trampoline): Likewise.
539 (sparc_use_sched_lookahead): Use zero for niagara.
540 (sparc_issue_rate): Use one for niagara.
541 * config/sparc/niagara.md: New file.
542 * config/sparc/sparc.md: Include it.
543 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
544 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
545 when default cpu is niagara.
546 (CPP_CPU_SPEC): Handle -mcpu=niagara.
547 (ASM_CPU_SPEC): Likewise.
548 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
549 when default cpu is niagara.
550 (ASM_CPU_SPEC): Handle -mcpu=niagara.
551 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
552 just like v9/ultrasparc/ultrasparc3.
553 * doc/invoke.texi: Add documentation for "niagara" and improve
554 existing documentation for ultrasparc variants.
556 2006-03-02 Diego Novillo <dnovillo@redhat.com>
558 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
560 2006-03-02 Richard Sandiford <richard@codesourcery.com>
562 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
563 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
564 and say that only one is needed.
565 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
566 * target.h (have_switchable_bss_sections): New hook.
567 * explow.c (use_anchored_address): Check that the symbol is in a block.
568 * varasm.c (tls_comm_section, comm_section, lcomm_section)
569 (bss_noswitch_section): New variables.
570 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
571 (get_noswitch_section): New function.
572 (get_block_for_section): Allow SECT to be null.
573 (unlikely_text_section_p): Use SECTION_STYLE.
574 (bss_initializer_p): New function.
575 (get_variable_section): Move earlier in file. Take a new argument,
576 prefer_noswitch_p. Move bss checks from assemble_variable to here.
577 Return one of the new *_sections in such cases.
578 (get_block_for_decl): New function, extracting some logic from
579 use_blocks_for_decl_p.
580 (change_symbol_section): Remove in favor of...
581 (change_symbol_block): ...this new function.
582 (use_blocks_for_decl_p): Remove checks now performed by
584 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
585 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
586 (emit_local, emit_bss, emit_common): ...these new functions.
587 Return true if the alignment was honored.
588 (emit_tls_common): New function.
589 (asm_emit_uninitialised): Delete.
590 (assemble_variable_noswitch): New function, split out from...
591 (assemble_variable): ...here. Don't make decisions about common
592 variables here. Globalize all public decls that go into non-common
593 sections. Check whether SYMBOL_REF_BLOCK is null.
594 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
595 (output_constant_pool): Likewise.
596 (init_varasm_once): Initialize the new section variables.
597 (have_global_bss_p): New function.
598 (categorize_decl_for_section): Use bss_initializer_p.
599 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
600 (place_block_symbol): Assert that the symbol must be in a block.
601 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
602 (TARGET_INITIALIZER): Include it.
603 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
604 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
605 (SECTION_MACH_DEP): Bump by two.
606 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
607 (unnamed_section): Mention SECTION_UNNAMED in comment.
608 (named_section): Likewise SECTION_NAMED.
609 (noswitch_section_callback): New type.
610 (noswitch_section): New structure.
611 (section): Add a noswitch_section alternative.
612 (SECTION_STYLE): New macro.
613 (tls_comm_section, comm_section, lcomm_section): Declare.
614 (bss_noswitch_section, have_global_bss_p): Declare.
615 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
616 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
618 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
619 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
622 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
624 * gcc/tree-vrp.c (execute_vrp): Return value.
625 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
626 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
627 * gcc/tree-complex.c (tree_lower_complex): Ditto.
628 (tree_lower_complex_O0): Ditto.
629 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
630 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
631 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
632 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
633 (execute_tail_calls): Ditto.
634 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
635 * gcc/tree.h (init_function_for_compilation): Ditto.
636 * gcc/ipa-cp.c (ipcp_driver): Ditto.
637 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
638 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
639 * gcc/final.c (compute_alignments): Ditto.
640 (rest_of_handle_final): Ditto.
641 (rest_of_handle_shorten_branches): Ditto.
642 (rest_of_clean_state): Ditto.
643 * gcc/omp-low.c (execute_expand_omp): Ditto.
644 (execute_lower_omp): Ditto.
645 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
646 * gcc/ipa-reference.c (static_execute): Ditto.
647 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
648 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
649 (rest_of_handle_machine_reorg): Ditto.
650 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
651 * gcc/flow.c (recompute_reg_usage): Ditto.
652 (rest_of_handle_remove_death_notes): Ditto.
653 (rest_of_handle_life): Ditto.
654 (rest_of_handle_flow2): Ditto.
655 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
656 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
657 (do_ssa_store_ccp): Ditto.
658 (execute_fold_all_builtins): Ditto.
659 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
660 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
661 * gcc/ipa-pure-const.c (static_execute): Ditto.
662 * gcc/cse.c (rest_of_handle_cse): Ditto.
663 (rest_of_handle_cse2): Ditto.
664 * gcc/web.c (rest_of_handle_web): Ditto.
665 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
666 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
667 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
668 * gcc/tree-nrv.c (tree_nrv): Ditto.
669 (execute_return_slot_opt): Ditto.
670 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
671 (create_structure_vars): Ditto.
672 * gcc/loop-init.c (rtl_loop_init): Ditto.
673 (rtl_loop_done): Ditto.
674 (rtl_move_loop_invariants): Ditto.
675 (rtl_unswitch): Ditto.
676 (rtl_unroll_and_peel_loops): Ditto.
678 * gcc/gimple-low.c (lower_function_body): Ditto.
679 (mark_used_blocks): Ditto.
680 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
681 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
682 (cgraph_early_inlining): Ditto.
683 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
684 * gcc/jump.c (cleanup_barriers): Ditto.
685 (purge_line_number_notes): Ditto.
686 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
687 (rest_of_handle_if_after_reload): Ditto.
688 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
689 (tree_ssa_loop_im): Ditto.
690 (tree_ssa_loop_unswitch): Ditto.
691 (tree_vectorize): Ditto.
692 (tree_linear_transform): Ditto.
693 (tree_ssa_loop_ivcanon): Ditto.
694 (tree_ssa_empty_loop): Ditto.
695 (tree_ssa_loop_bounds): Ditto.
696 (tree_complete_unroll): Ditto.
697 (tree_ssa_loop_prefetch): Ditto.
698 (tree_ssa_loop_ivopts): Ditto.
699 (tree_ssa_loop_done): Ditto.
700 * gcc/predict.c (tree_estimate_probability): Ditto.
701 * gcc/recog.c (split_all_insns_noflow): Ditto.
702 (rest_of_handle_peephole2): Ditto.
703 (rest_of_handle_split_all_insns): Ditto.
704 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
705 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
706 (rest_of_handle_stack_adjustments): Ditto.
707 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
708 * gcc/function.c (instantiate_virtual_regs): Ditto.
709 (init_function_for_compilation): Ditto.
710 (rest_of_handle_check_leaf_regs): Ditto.
711 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
712 (rest_of_handle_gcse): Ditto.
713 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
714 * gcc/alias.c (rest_of_handle_cfg): Ditto.
715 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
716 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
717 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
718 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
719 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
720 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
721 * gcc/except.c (set_nothrow_function_flags): Ditto.
722 (convert_to_eh_region_ranges): Ditto.
723 (rest_of_handle_eh): Ditto.
724 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
725 (remove_unnecessary_notes): Ditto.
726 * gcc/except.h (set_nothrow_function_flags): Ditto.
727 (convert_to_eh_region_ranges): Ditto.
728 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
729 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
730 * gcc/tree-ssa-pre.c (do_pre): Ditto.
731 (execute_fre): Ditto.
732 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
733 (rest_of_handle_jump2): Ditto.
734 * gcc/tree-sra.c (tree_sra): Ditto.
735 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
736 (execute_mudflap_function_decls): Ditto.
737 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
738 (do_store_copy_prop): Ditto.
739 * gcc/ipa-prop.h (ipcp_driver): Ditto.
740 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
741 * gcc/tree-ssa-forwprop.c
742 (tree_ssa_forward_propagate_single_use_vars): Ditto.
743 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
744 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
745 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
746 (execute_late_warn_uninitialized): Ditto.
747 * gcc/rtl.h (cleanup_barriers): Ditto.
748 (split_all_insns_noflow): Ditto.
749 (purge_line_number_notes): Ditto.
750 (unshare_all_rtl): Ditto.
751 (remove_unnecessary_notes): Ditto.
752 (recompute_reg_usage): Ditto.
753 (variable_tracking_main): Ditto.
754 * gcc/integrate.c (emit_initial_value_sets): Ditto.
755 * gcc/integrate.h (emit_initial_value_sets): Ditto.
756 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
757 (execute_free_cfg_annotations): Ditto.
758 (execute_fixup_cfg): Ditto.
759 (execute_cleanup_cfg_pre_ipa): Ditto.
760 (execute_cleanup_cfg_post_optimizing): Ditto.
761 (execute_init_datastructures): Ditto.
762 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
763 * gcc/combine.c (rest_of_handle_combine): Ditto.
764 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
765 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
766 (rest_of_handle_reorder_blocks): Ditto.
767 (rest_of_handle_partition_blocks): Ditto.
768 * gcc/var-tracking.c (variable_tracking_main): Ditto.
769 * gcc/tree-profile.c (tree_profiling): Ditto.
770 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
771 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
772 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
773 (rest_of_handle_sched2): Ditto.
774 * gcc/basic-block.h (free_bb_insn): Ditto.
775 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
776 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
777 (remove_useless_stmts): Ditto.
778 (split_critical_edges): Ditto.
779 (execute_warn_function_return): Ditto.
780 (execute_warn_function_noreturn): Ditto.
781 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
782 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
783 * gcc/passes.c (execute_one_pass): Run additional
784 todos returned by execute function.
785 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
788 2006-03-02 Richard Guenther <rguenther@suse.de>
790 * tree-ssa-alias.c (find_used_portions): Consider taking
791 the address as making the variable not write-only.
793 2006-03-02 Nick Clifton <nickc@redhat.com>
795 * config.gcc (default_use_cxa_atexit): Extend the description of
796 this configure variable. Set its default value to "yes" for
797 Linux, NetBSD and ELF targets on the assumption that they will
798 use C libraries with the __cxa_atexit function.
800 2006-03-02 Ben Elliston <bje@au.ibm.com>
802 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
803 parameter as unused to suppress a build warning.
805 2006-03-02 Ben Elliston <bje@au.ibm.com>
807 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
810 2006-03-01 Roger Sayle <roger@eyesopen.com>
813 * gthr-posix.h (__gthrw2): Define to take three parameters, the
814 declared name, the weak reference name, and the typeof name.
815 (__gthrw): Avoid expanding the declared name suffix.
816 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
818 2006-03-01 Jakub Jelinek <jakub@redhat.com>
820 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
822 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
823 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
824 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
825 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
826 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
827 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
828 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
829 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
830 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
831 DW_DS_leading_separate, DW_DS_trailing_separate): New.
832 (DW_END_default, DW_END_big, DW_END_little): New.
833 (DW_END_lo_user, DW_END_hi_user): Define.
834 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
835 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
836 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
839 2006-03-01 Diego Novillo <dnovillo@redhat.com>
841 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
843 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
845 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
847 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
849 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
852 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
855 2006-03-01 Roger Sayle <roger@eyesopen.com>
857 * builtins.c (fold_builtin_copysign): Delete unreachable code.
859 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
862 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
863 MACHO_DYNAMIC_NO_PIC_P.
864 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
866 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
869 * config/darwin-protos.h (darwin_asm_output_anchor):
871 * config/darwin-sections.def (cstring_section):
872 Add SECTION_MERGE to the flags.
873 (literal4_section): Likewise.
874 (literal8_section): Likewise.
875 (objc_selector_refs_section): Likewise.
876 (objc_cls_refs_section): Likewise.
877 * config/darwin.c (darwin_asm_output_anchor): New
879 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
881 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
883 Fix PR tree-optimization/26443
884 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
885 to todo and PROP_tmt_usage to properties_destroyed.
886 * tree-ssa-ccp.c (pass_ccp): Ditto.
887 (pass_store_ccp): Ditto.
888 * tree-ssa-dom.c (pass_dominator): Ditto.
890 2006-03-01 Diego Novillo <dnovillo@redhat.com>
892 * tree-ssa-operands.c: Cleanup whitespace.
893 (get_asm_expr_operands): Move before first invocation.
894 (get_indirect_ref_operands): Likewise.
895 (get_tmr_operands): Likewise.
896 (get_call_expr_operands): Likewise.
897 (append_def): Likewise.
898 (append_use): Likewise.
899 (append_v_may_def): Likewise.
900 (append_v_must_def): Likewise.
901 (add_call_clobber_ops): Likewise.
902 (add_call_read_ops): Likewise.
903 (add_stmt_operand): Likewise.
904 (add_virtual_operand): Likewise.
905 (build_ssa_operands): Likewise.
907 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
912 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
913 with a call expr to ...
914 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
916 2006-03-01 Diego Novillo <dnovillo@redhat.com>
918 * tree-vrp.c (extract_range_from_assert): Remove special
919 handling for types with super-types.
921 2006-03-01 Ben Elliston <bje@au.ibm.com>
923 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
924 and powerpc64-*-linux* configurations.
925 * config/t-dfprules: New file.
927 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
928 Compile dfp-bit.c from the source directory using -DWIDTH and
929 $DFP_CFLAGS to control the compilation of that file, rather than
930 generating width-specific versions in the build directory.
931 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
932 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
934 2006-02-28 Zack Weinberg <zackw@panix.com>
936 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
939 2006-02-28 Eric Christopher <echristo@apple.com>
941 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
942 Set up IN_LIBGCC definition of TARGET_64BIT.
943 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
945 2006-02-28 Roger Sayle <roger@eyesopen.com>
948 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
949 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
950 cases via the construction of "expr != 0".
952 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
954 * alias.c (alias_invariant, alias_invariant_size): Remove.
955 (record_base_value): Remove.
956 (memrefs_conflict_p): Don't look at alias_invariant.
957 (end_alias_analysis): Don't free it.
958 * alias.h (record_base_value): Remove prototype.
960 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
961 Adam Nemet <anemet@caviumnetworks.com>
963 * rtl.h (truncated_to_mode): Declare it.
964 (struct rtl_hooks): Add reg_truncated_to_mode hook.
965 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
966 (RTL_HOOKS_INITIALIZER): Include it.
967 * rtlhooks.c (reg_truncated_to_mode_general): New function.
968 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
969 reg_truncated_to_mode.
970 * rtlanal.c (truncated_to_mode): Define it.
971 * simplify-rtx.c (simplify_unary_operation_1): Use it.
973 2006-02-28 Jeff Law <law@redhat.com>
975 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
976 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
977 the range allowed by TYPE_PRECISION.
979 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
981 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
983 PR tree-optimization/26419
984 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
987 2006-02-27 Zack Weinberg <zackw@panix.com>
989 * doc/md.texi: Fix typo in previous change.
991 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
995 2006-02-27 Zack Weinberg <zackw@panix.com>
997 * rtl.def (define_constraint, define_register_constraint)
998 (define_memory_constraint, define_address_constraint): New MD forms.
999 * gensupport.c (process_rtx): Put define_constraint etc on the
1001 * genpreds.c (process_define_predicate): Adjust comment. Validate
1002 the name, and call validate_exp to validate the expression.
1003 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1004 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1005 all callers changed.
1006 (validate_exp, needs_variable, struct constraint_data)
1007 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1008 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1009 (const_dbl_constraints, constraint_max_namelen)
1010 (have_register_constraints, have_memory_constraints)
1011 (have_address_constraints, have_address_constraints)
1012 (have_extra_constraints, have_const_int_constraints)
1013 (have_const_dbl_constraints, mangle, add_constraint)
1014 (process_define_constraint, process_define_register_constraint)
1015 (write_enum_constraint_num, write_lookup_constraint)
1016 (write_insn_constraint_len, write_regclass_for_constraint)
1017 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1018 (write_insn_extra_memory_constraint)
1019 (write_insn_extra_address_constraint)
1020 (write_satisfies_constraint_fns): New.
1021 (write_tm_preds_h): If we have new-style constraint definitions,
1022 prototype the functions generated from them, and define the
1023 old constraint interface (still used by generic code) in terms of
1025 (write_insn_preds_c): If we have new-style constraint definitions,
1026 generate all relevant functions from those definitions.
1027 (main): Handle define_constraint etc.
1028 * genoutput.c (struct constraint_data, indep_constraints)
1029 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1030 (mdep_constraint_len): New data structures and functions, defined
1031 #ifdef USE_MD_CONSTRAINTS.
1032 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1033 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1034 use new logic to validate operand constraints against constraint
1036 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1038 * defaults.h: If none of the old-style constraint macros are
1039 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1040 old-style macros; and poison REG_CLASS_FROM_LETTER,
1041 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1043 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1044 * doc/md.texi: Document new constraint-definition mechanism and the
1045 C interface it provides. Remove references to old mechanism
1046 elsewhere in the document.
1047 (Machine Constraints): Use pathnames relative to gcc directory,
1048 i.e. config/ARCH/FILE. Change i386 section to refer to
1049 config/i386/predicates.md; update that section to match docstrings.
1050 * doc/tm.texi: Move all documentation of the old constraint-
1051 definition macros to their own section, clearly mark as obsolete.
1053 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1054 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1056 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1057 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1058 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1060 (splits and peepholes): Use satisfies_constraint_*.
1061 * config/i386/i386.c (memory_address_length)
1062 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1064 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1066 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1067 scalar operation to be put back into the loop.
1069 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1072 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1073 (extract_cie_info): Handle S flag in augmentation string.
1074 (execute_cfa_program): If context->signal_frame, execute also
1075 fs->pc == context->ra instructions.
1076 (uw_frame_state_for): If context->signal_frame, don't subtract one
1077 from context->ra to find FDE.
1078 (uw_update_context_1): Set context->signal_frame to
1080 (_Unwind_GetIPInfo): New function.
1081 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1082 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1084 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1085 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1086 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1087 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1088 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1089 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1090 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1091 x86_64_fallback_frame_state): Set fs->signal_frame.
1092 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1093 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1094 (frob_update_context): Likewise. Workaround missing S flag in
1095 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1096 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1097 Remove the psw_addr + 1 hack.
1099 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1101 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1102 with aggregates here.
1103 (find_func_aliases): Remove code for &<aggregate> from here.
1105 2006-02-26 Roger Sayle <roger@eyesopen.com>
1107 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1108 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1109 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1112 2006-02-26 Roger Sayle <roger@eyesopen.com>
1115 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1117 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1119 * opts.c (decode_options): Do not handle flag_strength_reduce.
1120 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1121 and OPT_fstrength_reduce.
1122 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1123 flag_prefetch_loop_arrays for being nonzero.
1124 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1126 (fprefetch-loop-arrays-rtl): Removed.
1127 (flag_prefetch_loop_arrays): Do not specify the value.
1129 * doc/passes.texi: Update documentation of loop optimizer
1131 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1132 -frerun-loop-opt): Remove.
1134 2006-02-26 Richard Guenther <rguenther@suse.de>
1136 PR tree-optimization/26421
1137 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1138 in function calls that are ADDR_EXPRs as using the whole structure.
1140 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1142 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1143 * tree-pass.h (pass_loop_optimize): Remove.
1144 * passes.c (pass_loop_optimize): Never run it.
1145 * toplev.c (backend_init): Don't call init_loop.
1146 * opts.c (flag_loop_optimize_set): Remove.
1147 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1148 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1149 the old RTL loop optimizer when profiling enabled.
1150 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1151 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1152 pre-headers for the sake of the old RTL loop optimizer.
1153 * Makefile.in: Remove all references to loop.o.
1155 * doc/invoke.texi: Remove all references to -floop-optimize
1156 and -frerun-loop-opt.
1158 2006-02-26 Zack Weinberg <zackw@panix.com>
1160 * doc/md.texi (Machine Constraints): Refer to all files with paths
1161 relative to gcc directory (i.e. config/CPU/file). Add missing
1162 @table @code ... @end table to M32C subsection.
1164 2006-02-26 Roger Sayle <roger@eyesopen.com>
1166 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1168 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1170 2006-02-26 Roger Sayle <roger@eyesopen.com>
1171 James A. Morrison <phython@gcc.gnu.org>
1174 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1175 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1176 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1177 signedness of the shift operation.
1179 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1181 PR tree-optimization/26359
1182 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1184 2006-02-25 Roger Sayle <roger@eyesopen.com>
1186 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1187 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1188 as X == 0, and some symmetry related transformations.
1189 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1191 2006-02-25 Roger Sayle <roger@eyesopen.com>
1194 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1195 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1196 symmetry related transformations. Fold (X^C1) == C2 as
1199 2006-02-25 Juergen Weigert <jw@suse.de>
1200 Richard Guenther <rguenther@suse.de>
1202 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1204 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1206 * combine.c (gen_lowpart_or_truncate): Call
1207 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1209 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1211 * doc/invoke.texi: Move -fopenmp description to "Options for
1213 Remove reference to -lgomp.
1215 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1217 * doc/install.texi: Require GNU tar version 1.14.
1219 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1221 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1222 * doc/invoke.texi (C++ Dialect Options): Document
1223 -fno-use-cxa-get-exception-ptr.
1224 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1225 * configure: Regenerate.
1226 * c.opt (fuse-cxa-get-exception-ptr): New.
1227 * c-opts.c (c_common_handle_option): Handle
1228 OPT_fuse_cxa_get_exception_ptr.
1229 * c-common.c (flag_use_cxa_atexit): Update documentation.
1230 (flag_use_cxa_get_exception_ptr): New.
1231 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1232 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1234 (C_COMMON_OVERRIDE_OPTIONS): New.
1236 2006-02-24 Roger Sayle <roger@eyesopen.com>
1239 * combine.c (try_combine): Explicitly check whether GET_CODE is
1240 a SET or a CLOBBER, instead on checking that it isn't a USE.
1242 2006-02-24 Roger Sayle <roger@eyesopen.com>
1244 * fold-const.c (fold_comparison): New subroutine of fold_binary
1245 containing transformations common to both the equality and
1246 ordering relational operators, factored out of fold_binary.
1247 (fold_binary): Separate out the equality operators (EQ_EXPR
1248 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1249 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1250 transformations common to both.
1251 (fold_div_compare): Fix latent bugs in the previously unreachable
1252 LT_EXPR and GE_EXPR cases.
1254 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1256 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1257 decl libname for clog to __clog on AIX.
1259 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1261 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1264 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1265 output traceback table for thunks. Localise rs6000_stack_info call.
1267 2006-02-23 Roger Sayle <roger@eyesopen.com>
1268 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1270 * gthr-posix.h (__gthrw): Fix typo in comment.
1272 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1274 * doc/cpp.texi (Character sets): Document that we do support
1275 input files to be in any character set.
1277 2006-02-23 Jeff Law <law@redhat.com>
1279 * tree.h (PHI_ARG_NONZERO): Remove.
1280 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1281 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1282 node to the new node.
1284 PR tree-optimization/26425
1285 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1286 min/max, then assume its varying.
1288 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1290 PR rtl-optimization/26316
1291 * rtlanal.c (enum may_trap_p_flags): New.
1292 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1293 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1294 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1295 (may_trap_after_code_motion_p): New function.
1296 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1297 (find_invariant_insn): Use may_trap_after_code_motion_p.
1298 * rtl.h (may_trap_after_code_motion_p): Declare.
1300 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1302 * emit-rtl.c (immed_double_const): Cleanup.
1304 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1306 Fix PR tree-optimization/26376
1307 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1310 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1313 * gimplify.c (omp_add_variable): Guard variable size decl test with
1314 DECL_SIZE (decl) check.
1316 2006-02-23 Richard Guenther <rguenther@suse.de>
1319 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1320 like aggregate types.
1322 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1324 * configure.ac: Add --with{,out}-long-double-128 configure option.
1325 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1326 * configure: Rebuilt.
1327 * config.in: Rebuilt.
1328 * doc/install.texi (Options specification): Document
1329 --with-long-double-128.
1331 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1332 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1333 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1334 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1336 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1338 * config/s390/s390.c (override_options): Handle
1339 TARGET_DEFAULT_LONG_DOUBLE_128.
1341 * config/alpha/alpha.c (override_options): Handle
1342 TARGET_DEFAULT_LONG_DOUBLE_128.
1344 * config/sparc/sparc.c (sparc_override_options): Handle
1345 TARGET_DEFAULT_LONG_DOUBLE_128.
1347 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1349 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1350 (real-install-headers-tar, real-install-headers-cpio)
1351 (real-install-headers-cp): New targets.
1353 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1355 * tree.h (variable_section): Delete.
1356 * varasm.c (variable_section): Delete.
1358 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1360 * install.texi: Add notes on install.texi2html.
1361 (Building in parallel): Do not use footnotes.
1363 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1366 * doc/install.texi (Configuration): Document --disable-libgomp.
1368 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1370 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1372 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1374 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1375 (vec_extractv2df_0_sse): New.
1377 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1379 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1380 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1381 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1382 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1383 to the result of the expression.
1384 (def_cfa_1): Adjust.
1385 (frame_pointer_cfa_offset): Rename to...
1386 (frame_pointer_fb_offset): ... this. Adjust all uses.
1387 (convert_cfa_to_loc_list): Rename to...
1388 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1389 Pass it on to build_cfa_loc.
1390 (compute_frame_pointer_to_cfa_displacement): Rename to...
1391 (compute_frame_pointer_to_fb_displacement): ... this. New
1392 offset parameter. Use it in computation.
1393 (gen_subprogram_die): Compute cfa_fb_offset with the new
1394 macro, and use it to compute the fb loc list and the
1397 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1399 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1400 replaced with register_operand.
1401 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1402 non-DREG is expensive.
1403 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1404 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1407 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1409 * doc/install.texi2html: Use set -e.
1411 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1413 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1414 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1415 * doc/invoke.texi (-fshared-data): Delete.
1416 * common.opt (fshared-data): Delete.
1417 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1418 (assemble_static_space): Remove #if 0 code.
1419 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1420 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1421 * config/cris/cris.h: Remove FIXME.
1423 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1425 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1428 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1431 * combine.c (simplify_shift_const_1): Disable nested shifts
1432 optimization for vector shifts.
1434 2006-02-20 Roger Sayle <roger@eyesopen.com>
1436 PR tree-optimization/26361
1437 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1438 of unsigned integer types.
1440 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1442 * tree-chrec.c (eq_evolutions_p): New.
1443 * tree-chrec.h (eq_evolutions_p): Declared.
1444 * tree-data-ref.c: Fix formatting.
1445 (datadep_stats, dependence_stats): New.
1447 (print_direction_vector): New.
1448 (dump_data_dependence_relation): Use print_direction_vector.
1449 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1450 (compute_subscript_distance): Static.
1451 (initialize_data_dependence_relation): Static. Get the number
1452 of loops surrounding the references from the callers, and initialize
1453 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1454 base_object_differ_p analyzers.
1455 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1456 compute_overlap_steps_for_affine_1_2,
1457 analyze_subscript_affine_affine): Count the classified dependences.
1458 Print a message when a test failed.
1459 (can_use_analyze_subscript_affine_affine): New.
1460 (analyze_siv_subscript): Compute the data dependences on symbolic
1461 scevs that verify can_use_analyze_subscript_affine_affine.
1462 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1463 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1464 Handle symbolic scevs.
1465 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1467 (subscript_dependence_tester): Moved...
1468 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1469 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1470 DDR_SIZE_VECT instead of getting it in parameter.
1471 (subscript_dependence_tester): ... here. Take as a parameter
1472 loop_nest_depth. Call build_classic_dist_vector and
1473 build_classic_dir_vector.
1474 (compute_affine_dependence): Update subscript_dependence_tester
1475 parameters. Update datadep_stats counters. Call
1476 compute_subscript_distance.
1477 (compute_self_dependence): Save the dist and dir vectors. Call
1478 compute_subscript_distance.
1479 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1480 (compute_all_dependences): Reorder parameters as they were before
1481 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1482 compute_subscript_distance. Update the use of
1483 compute_affine_dependence and initialize_data_dependence_relation.
1484 (find_data_references_in_loop): Handle COMPONENT_REF.
1485 (compute_data_dependences_for_loop): Initialize dependence_stats.
1486 Don't call build_classic_dist_vector and build_classic_dir_vector.
1487 Update the parameters of initialize_data_dependence_relation and
1488 compute_all_dependences. Print the statistics from datadep_stats.
1489 (analyze_all_data_dependences): Static. Not used until the pass for
1490 checking the data dependences is contributed.
1491 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1492 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1493 (initialize_data_dependence_relation, compute_affine_dependence,
1494 analyze_all_data_dependences, compute_subscript_distance): Removed.
1495 (print_direction_vector): New.
1496 * lambda.h (gcd): ... here.
1497 (lambda_vector_gcd): Moved here from gcd_vector.
1498 * lambda-code.c (gcd, gcd_vector): Removed.
1499 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1500 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1502 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1504 * ipa-type-escape.c: Tidy some comments and white space.
1505 * tree-ssa-operands.c: Likewise.
1507 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1510 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1511 (dump_decl_name): Do not walk the decl tree chains.
1512 * tree-pass.h (TDF_CHAIN): Remove.
1514 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1516 * Makefile.in (C): Remove
1518 (.PHONY): Remove C and PROTO
1520 2006-02-20 Roger Sayle <roger@eyesopen.com>
1523 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1524 deprecated CHAR_TYPE tree code.
1526 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1528 * configure.ac (target_list): Add install-info, dvi, html.
1529 * configure: Regenerate.
1531 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1532 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1533 treelang/Make-lang.in: Do not use double-colon rules.
1535 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1537 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1538 (TMT_USED_ALONE): New macro.
1539 * tree-pass.h (PROP_tmt_usage): New property.
1540 (TODO_update_tmt_usage): New todo.
1541 * tree-ssa-alias.c (updating_used_alone): New variable.
1542 (recalculate_used_alone): New function.
1543 (compute_may_aliases): Set updating_used_alone, call
1544 recalculate_used_alone.
1545 * tree-sra.c (pass_sra): Note that this pass destroys
1546 PROP_tmt_usage, and add TODO_update_tmt_usage.
1547 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1548 * tree-flow.h (updating_used_alone): Prototype.
1549 (recalculate_used_alone): Ditto.
1550 * passes.c (execute_todo): Add code to set updating_used_alone,
1551 and call recalculate.
1552 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1553 for clobber if used alone, and add assert to verify used_alone
1556 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1558 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1559 for non tls symbols added.
1560 (legitimize_address): Do nothing for PLUS expressions if one of the
1561 addends is a tls symbol reference.
1563 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1567 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1569 * Makefile.in (BOOTSTRAPPING): New.
1570 (quickstrap): New definition if BOOTSTRAPPING=yes.
1572 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1573 * configure.ac: Substitute all_selected_languages with the languages
1574 that were configured. For all the other variables except
1575 lang_specs_files, include all the languages in the tree.
1576 * configure: Regenerate.
1578 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1579 if there is one. Run the commands to run fixincludes in the same
1582 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1583 * doc/install.texi: Document exact conventions for searching target tools.
1584 Document --with-build-time-tools. Document toplevel bootstrap. Document
1585 something more about building an Ada cross-compiler. Don't list GNU Make
1586 requirements which affect all platforms.
1588 2006-02-19 Roger Sayle <roger@eyesopen.com>
1591 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1592 only equivalent if the have both the same mode and precision.
1594 2006-02-20 Ben Elliston <bje@au.ibm.com>
1596 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1598 2006-02-19 Roger Sayle <roger@eyesopen.com>
1599 Steven Bosscher <stevenb.gcc@gmail.com>
1601 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1602 constant pool references to identify stack mode constants.
1603 * rtlanal.c (constant_pool_constant_p): New predicate to check
1604 whether operand is a floating point constant in the pool.
1605 * rtl.h (constant_pool_constant_p): Prototype here.
1606 * loop.c (scan_loop): Avoid hoisting constants from the constant
1607 pool on STACK_REGS targets.
1608 (load_mems): Likewise.
1609 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1610 loads into x87 registers expensive in terms of register pressure.
1612 2006-02-19 Roger Sayle <roger@eyesopen.com>
1614 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1615 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1617 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1619 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1620 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1622 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1624 * doc/invoke.texi: Document -fipa-pta.
1625 * common.opt: Add ipa-pta option.
1626 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1627 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1628 (do_ds_constraint): Ditto.
1629 (get_constraint_for): Only add to referenced_vars if
1630 referenced_vars exists.
1631 (insert_into_field_list): Rewrite to do this unsorted.
1632 (insert_into_field_list_sorted): Rename old insert_into_field_list
1634 (create_function_info_for): Use insert_into_field_list_sorted.
1635 (create_variable_info_for): Rewrite so it uses unsorted version,
1636 since the field list is sorted.
1637 (intra_create_variable_infos): Only add to referenced_vars if
1638 referenced_vars exists.
1639 (ipa_pta_execute): Init heapvars, and delete when done.
1640 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1642 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1644 * doc/install.texi: Add missing `@samp'.
1646 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1648 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1651 2006-02-18 Mark Wielaard <mark@klomp.org>
1653 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1654 who added new 4.1 features, bug fixes and integration support.
1656 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1659 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1662 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1664 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1665 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1666 (copy_insn_1): Likewise. Don't copy each field individually.
1668 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1670 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1671 * rtl.c (rtx_size): Rename variable to...
1672 (rtx_code_size): ...this.
1673 (rtx_size): New function.
1674 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1675 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1677 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1678 * rtl.h (rtx_code_size): New variable.
1679 (rtx_size): Change from a variable to a function.
1680 (RTX_SIZE): Rename to...
1681 (RTX_CODE_SIZE): ...this.
1684 PR tree-optimization/17106
1685 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1686 (Anchored Addresses): New section.
1687 * doc/invoke.texi (-fsection-anchors): Document.
1688 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1689 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1690 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1691 * hooks.c (hook_bool_mode_rtx_false): New function.
1692 * hooks.h (hook_bool_mode_rtx_false): Declare.
1693 * gengtype.c (create_optional_field): New function.
1694 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1695 SYMBOL_REF_IN_BLOCK_P is true.
1696 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1697 (min_anchor_offset, max_anchor_offset): Likewise.
1698 (use_anchors_for_symbol_p): New hook.
1699 * toplev.c (compile_file): Call output_object_blocks.
1700 (target_supports_section_anchors_p): New function.
1701 (process_options): Check that -fsection-anchors is only used on
1702 targets that support it and when -funit-at-a-time is in effect.
1703 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1704 if the decl doesn't have one.
1705 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1706 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1707 of force_const_mem through use_anchored_address.
1708 (expand_expr_constant): New function.
1709 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1710 calling expand_expr for INDIRECT_REF.
1711 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1712 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1713 * expr.h (use_anchored_address): Declare.
1714 * loop-unroll.c: Don't declare rtx vectors here.
1715 * explow.c: Include output.h.
1716 (validize_mem): Call use_anchored_address.
1717 (use_anchored_address): New function.
1718 * common.opt (-fsection-anchors): New switch.
1719 * varasm.c (object_block_htab, anchor_labelno): New variables.
1720 (hash_section, object_block_entry_eq, object_block_entry_hash)
1721 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1722 (use_blocks_for_decl_p, change_symbol_section): New functions.
1723 (get_variable_section): New function, split out from assemble_variable.
1724 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1725 use_blocks_for_decl_p say so. Use change_symbol_section if the
1726 symbol has already been created.
1727 (assemble_variable_contents): New function, split out from...
1728 (assemble_variable): ...here. Don't output any code for
1729 block symbols; just pass them to place_block_symbol.
1730 Use get_variable_section and assemble_variable_contents.
1731 (get_constant_alignment, get_constant_section, get_constant_size): New
1732 functions, split from output_constant_def_contents.
1733 (build_constant_desc): Create a block symbol if use_object_blocks_p
1734 says so. Or into SYMBOL_REF_FLAGS.
1735 (assemble_constant_contents): New function, split from...
1736 (output_constant_def_contents): ...here. Don't output any code
1737 for block symbols; just pass them to place_section_symbol.
1738 Use get_constant_section and get_constant_alignment.
1739 (force_const_mem): Create a block symbol if use_object_blocks_p and
1740 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1741 (output_constant_pool_1): Add an explicit alignment argument.
1742 Don't switch sections here.
1743 (output_constant_pool): Adjust call to output_constant_pool_1.
1744 Switch sections here instead. Don't output anything for block symbols;
1745 just pass them to place_block_symbol.
1746 (init_varasm_once): Initialize object_block_htab.
1747 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1748 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1749 (place_block_symbol, get_section_anchor, output_object_block)
1750 (output_object_block_htab, output_object_blocks): New functions.
1751 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1752 (TARGET_ASM_OUT): Include it.
1753 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1754 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1755 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1756 (TARGET_INITIALIZER): Include them.
1757 * rtl.c (rtl_check_failed_block_symbol): New function.
1758 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1759 (block_symbol, object_block): New structures.
1760 (rtx_def): Add a block_symbol field to the union.
1761 (BLOCK_SYMBOL_CHECK): New macro.
1762 (rtl_check_failed_block_symbol): Declare.
1763 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1764 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1765 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1766 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1767 * output.h (output_section_symbols): Declare.
1768 (object_block): Name structure.
1769 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1770 (default_use_anchors_for_symbol_p): Declare.
1771 * Makefile.in (RTL_BASE_H): Add vec.h.
1772 (explow.o): Depend on output.h.
1773 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1774 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1775 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1776 (rs6000_use_blocks_for_constant_p): New function.
1778 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1780 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1782 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1785 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1788 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1790 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1794 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1797 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1798 instead of DECL_REGISTER.
1800 2006-02-18 Olivier Hainque <hainque@adacore.com>
1803 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1805 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1808 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1809 * opth-gen.awk: Handle Var and InverseMask together.
1810 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1811 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1812 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1813 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1815 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1816 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1817 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1818 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1819 LINUX_DYNAMIC_LINKER): Define.
1820 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1821 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1823 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1824 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1825 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1826 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1827 (TARGET_C99_FUNCTIONS): Don't define.
1828 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1829 GLIBC_DYNAMIC_LINKER.
1830 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1831 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1832 GLIBC_DYNAMIC_LINKER64): Define.
1833 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1834 LINUX_DYNAMIC_LINKER64.
1835 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1836 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1837 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1838 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1839 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1840 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1841 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1842 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1843 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1844 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1845 and LINUX_DYNAMIC_LINKER32.
1846 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1847 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1848 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1849 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1850 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1852 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1853 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1854 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1855 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1856 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1857 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1858 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1859 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1860 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1861 LINUX_DYNAMIC_LINKER): Define.
1862 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1863 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1864 GLIBC_DYNAMIC_LINKER64): Define.
1865 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1866 LINUX_DYNAMIC_LINKER64.
1867 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1868 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1869 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1870 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1871 LINUX_DYNAMIC_LINKER): Define.
1872 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1873 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1874 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1875 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1876 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1877 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1878 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1879 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1880 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1881 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1882 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1883 * doc/invoke.texi (-muclibc): Remove caveat about supported
1886 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1888 * doc/cpp.texi (__TIMESTAMP__): Document.
1890 2006-02-17 Roger Sayle <roger@eyesopen.com>
1893 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1894 C is one less than the width of X (and related transformations).
1895 * simplify-rtx.c (simplify_unary_operation_1): Transform
1896 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1897 depending on STORE_FLAG_VALUE, were C is one less then the
1900 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1902 Fix PR tree-optimization/26341
1903 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1904 about NAME_MEMORY_TAG's.
1906 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1909 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1910 with hardware float support, and software float support. Add fcpy
1911 alternative to hardware patterns. Add alternatives to copy between
1912 general and floating-point registers to the 32-bit pattern.
1913 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1914 secondary reload to load a QI or HI mode constant into a floating
1916 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1917 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1919 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1922 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1924 (load_macho_picbase_di): Likewise.
1926 2006-02-16 Jeff Law <law@redhat.com>
1928 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1929 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1930 (ssa_name_nonzero_p): Likewise.
1931 (get_value_range): Return NULL if VRP is not running.
1932 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1933 VRP routines do not discover a range.
1934 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1935 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1936 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1937 (tree_expr_nonnegative_p): Similarly.
1938 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1939 (restore_nonzero_vars_to_original_value): Remove.
1940 (unsafe_associative_fp_binop): Remove.
1941 (tree_ssa_dominator_optimize): Remove initialization and
1942 finalization of nonzero_vars and nonzero_vars_stack.
1943 (dom_opt_initialize_block): No longer push marker on
1945 (dom_opt_finalize_block): No longer call
1946 restore_nonzero_vars_to_original_value.
1947 (record_equivalences_from_phis): No longer look for
1948 nonzero PHI arguments.
1949 (cprop_into_successor_phis): No longer propagate nonzero
1950 property into PHI arguments. Lose unused argument. Caller
1952 (record_equivalences_from_stmt): No longer record nonzero
1953 values for SSA_NAMEs.
1954 (lookup_avail_expr): No longer use nonzero_vars.
1956 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1957 for sizetype when sizetype is unsigned.
1959 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1961 PR rtl-optimization/25603
1962 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1963 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1964 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1965 with new meaning of SETS.
1967 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1972 * config/linux.opt: New file.
1973 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1974 LINUX_DYNAMIC_LINKER): Define.
1975 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1976 * config.gcc (*-*-linux*): Define extra_options.
1977 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1978 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1979 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1980 GLIBC_DYNAMIC_LINKER.
1981 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1982 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1983 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1984 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1985 * doc/invoke.texi (GNU/Linux Options): New section.
1987 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1989 * config/sparc/sparc.md (setjmp): Rewrite.
1990 (setjmp_32): Delete.
1991 (setjmp_64): Likewise.
1993 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1995 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1998 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2000 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2003 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2005 PR rtl-optimization/26296
2006 * Makefile.in (loop-invariant.c): Add except.h dependency.
2007 * loop-invariant.c: Include except.h.
2008 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2010 2005-02-16 Paul Brook <paul@codesourcery.com>
2012 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2015 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2017 PR rtl-optimization/25636
2018 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2019 when deciding whether an insn is an initializing insn.
2021 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2023 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2024 (tree_code_size): Ditto.
2025 * tree.h (struct tree_memory_tag): Remove parent_var.
2026 (struct tree_struct_field_tag): New.
2029 (union tree_node): Add sft member.
2030 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2032 (create_sft): Add size and offset argument, set SFT_OFFSET and
2034 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2035 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2036 * tree-flow-inline.h (get_subvar_at): Update for
2037 SFT_OFFSET/SFT_SIZE.
2038 (var_can_have_subvars): Ditto.
2039 (overlap_subvar): Ditto.
2040 * print-tree.c (print_node): Print out interesting things for
2042 * tree-flow.h (struct subvar): Remove offset and size members.
2043 * tree-ssa-operands.c (get_expr_operands): Update for
2044 get_indirect_ref_operands changes.
2045 (get_indirect_ref_operands): Call add_virtual_operand instead of
2046 add_stmt_operand. Only recurse on base var if requested.
2047 (access_can_touch_variable): New function.
2048 (add_stmt_operand): Split virtual operand handling into ...
2049 (add_virtual_operand): Here. Add offset, size, and for_clobber
2050 arguments. Prune alias sets.
2051 (add_call_clobber_ops): Call add_virtual_operand.
2053 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2056 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2058 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2059 than TREE_CODE as index into omp_clause_num_ops array.
2061 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2063 PR rtl-optimization/26184
2064 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2066 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2067 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2068 must_precede, must_follow and tobe_scheduled.
2071 * opts.c (common_handle_option): Free new_option pointer.
2072 * df-core.c (df_analyze): Free postorder pointer.
2074 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2076 * Makefile.in: Fix the examples about the use of stamps
2078 2006-02-15 Michael Matz <matz@suse.de>
2082 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2083 influenced by maximum_field_alignment or DECL_PACKED.
2084 (update_alignment_for_field): Ditto.
2085 (place_field): Ditto.
2086 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2089 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2091 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2092 (debug_flow_info): Pass it.
2093 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2094 * bb-reorder.c (reorder_basic_blocks): Likewise.
2095 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2096 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2097 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2098 * gcse.c (gcse_main, bypass_jumps): Likewise.
2099 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2100 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2101 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2102 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2103 * rtl.h (dump_flow_info): Adjust prototype.
2104 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2105 * var-tracking.c (variable_tracking_main): Likewise.
2106 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2107 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2110 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2112 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2115 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2117 PR tree-optimization/26209
2118 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2119 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2121 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2123 2006-02-14 Roger Sayle <roger@eyesopen.com>
2126 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2127 (X,Y) and the corresponding symmetry related transformations.
2128 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2129 (X,Y) and its symmetry related transformations.
2131 2006-02-14 Roger Sayle <roger@eyesopen.com>
2133 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2136 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2138 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2140 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2143 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2144 support COMDAT group.
2145 * configure: Regenerate.
2147 2006-02-14 Roger Sayle <roger@eyesopen.com>
2152 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2154 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2156 Fix PR tree-optimization/26260
2158 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2160 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2161 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2162 * tree-ssa-structalias.c (create_variable_info_for): Use
2163 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2165 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2167 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2169 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2170 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2171 of the ending condition.
2172 * tree-ssa-loop-manip.c: Include params.h.
2173 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2174 tree_unroll_loop): New functions.
2175 * tree-pass.h (pass_loop_prefetch): Declare.
2176 * loop.c (rest_of_handle_loop_optimize): Test for
2177 -fprefetch-loop-arrays-rtl.
2178 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2179 * timevar.def (TV_TREE_PREFETCH): New timevar.
2180 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2181 pass_loop_prefetch): New.
2182 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2183 (cleanup_tree_cfg_loop): Call scev_reset.
2184 * common.opt (fprefetch-loop-arrays-rtl): Add.
2185 * tree-ssa-loop-prefetch.c: New file.
2186 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2187 (new_temp_expr_table): Initialize expr_vars.
2188 (free_temp_expr_table): Cleanup expr_vars.
2189 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2190 expressions from being merged into one.
2191 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2192 (struct tree_niter_desc): Add control, bound and cmp fields.
2193 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2195 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2196 (tree-cfgcleanup.o): Add SCEV_H dependency.
2197 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2198 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2200 2006-02-14 Richard Guenther <rguenther@suse.de>
2202 PR tree-optimization/26258
2203 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2204 in PHI argument processing.
2206 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2208 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2209 new expression in the requested machine mode.
2211 2006-02-13 Roger Sayle <roger@eyesopen.com>
2213 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2214 directly, instead let do_compare_rtx_and_jump handle this for us.
2215 * expr.c (expand_expr_real_1): Likewise.
2216 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2217 before do_jump_by_parts_greater.
2218 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2219 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2221 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2223 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2225 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2227 PR rtl-optimization/26235
2228 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2229 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2232 2006-02-13 Jeff Law <law@redhat.com>
2234 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2237 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2240 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2241 twice if decl is a builtin. When trying again, call get_callee_fndecl
2242 first to verify it is still a builtin.
2244 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2246 * dwarf2out.c (base_type_die): Don't add AT_name here.
2247 (subrange_type_die): Don't add AT_name here.
2248 (modified_type_die): Rearrange code flow. Do add AT_name here.
2250 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2252 PR rtl-optimization/26247
2253 PR rtl-optimization/26248
2254 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2256 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2258 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2259 * config/fixtfdi.c: Likewise.
2260 * config/fixunstfdi.c: Likewise.
2261 * config/floatditf.c: Likewise.
2263 2006-02-13 Roger Sayle <roger@eyesopen.com>
2266 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2267 into (X,C2) if C1 is a subset of the bits of C2. Transform
2268 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2270 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2272 2006-02-13 Josh Conner <jconner@apple.com>
2275 * varasm.c (function_section): Check for section name before
2276 calling select_section on targets that define
2277 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2278 unlikely_text_section instead of hot_function_section if
2279 first_function_block_is_cold.
2281 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2284 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2286 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2288 PR rtl-optimization/26222
2289 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2290 after tree->rtl expansion.
2291 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2292 before passing it to emit_move_insn.
2294 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2296 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2298 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2299 Clarify documentation.
2300 * c-common.h (warn_write_strings): Remove.
2301 * c-common.c (warn_write_strings): Likewise.
2302 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2305 2006-02-12 Roger Sayle <roger@eyesopen.com>
2308 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2309 (do_jump_parts_zero_rtx): New function renamed from
2310 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2311 (do_jump_parts_equality_rtx): New function split out from
2312 do_jump_parts_equality. Old implementation renamed as above.
2313 Call do_jump_parts_zero_rtx if either operand is zero.
2314 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2315 do all of the heavy lifting.
2316 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2317 calling either do_jump_by_parts_greater_rtx or
2318 do_jump_by_parts_equality_rtx.
2319 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2320 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2321 moved to do_compare_rtx_and_jump, call it directly.
2322 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2323 mode argument. Call do_compare_rtx_and_jump.
2324 (emit_case_nodes): Update calls to do_jump_if_equal.
2326 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2328 PR rtl-optimization/26225
2329 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2331 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2333 PR rtl-optimization/26232
2334 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2336 2006-02-11 Jason Merrill <jason@redhat.com>
2339 * tree-inline.c (declare_return_variable): Just don't use the
2340 modify target if it's a gimple complex reg and the return slot
2343 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2345 * doc/contrib.texi: Update my entry.
2347 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2349 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2351 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2353 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2356 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2358 * doc/invoke.texi (-floop-optimize2): Removed.
2359 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2360 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2361 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2362 * common.opt (floop-optimize2): Removed.
2363 (fmove-loop-invariants): Enabled by default.
2365 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2367 * tree-if-conv.c (combine_blocks): Free the result of
2368 get_loop_exit_edges.
2370 2006-02-10 Jeff Law <law@redhat.com>
2372 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2374 PR tree-optimization/26213
2375 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2376 loop trying to follow SSA_NAME_VALUE chains.
2378 2006-02-10 Richard Guenther <rguenther@suse.de>
2380 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2381 deal with structures that end in implicitly variable sized arrays.
2383 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2385 PR rtl-optimization/24762
2386 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2389 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2391 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2392 (struct ivopts_data): Add regs_used field.
2393 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2394 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2395 instead of loop_data->regs_used;
2396 (free_loop_data): Do not free aux fields for loops.
2397 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2398 and tree_ssa_iv_optimize_finalize.
2400 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2402 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2404 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2407 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2408 computing the effective result type.
2410 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2413 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2414 (tree_overlaps_hard_reg_set): Declare.
2415 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2416 type and signature to match function type expected by walk_tree.
2417 (tree_overlaps_hard_reg_set): New function.
2418 (decl_conflicts_with_clobbers_p): Rename to:
2419 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2420 Use tree_overlaps_hard_reg_set. Changed caller.
2421 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2422 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2423 * cris.c (cris_md_asm_clobbers): Likewise.
2425 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2427 * reload1.c (emit_input_reload_insns): Delete code that tries to
2428 inherit using find_equiv_reg.
2430 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2432 * c-common.h (flag_const_strings): Don't declare.
2433 * c-common.c (flag_const_strings): Remove.
2434 * c.opt (fconst_strings): Remove.
2435 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2436 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2437 (c_common_init_options): Don't set flag_const_strings.
2438 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2440 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2442 * arm.md (tlobits_cbranch): New pattern.
2443 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2444 testing a single bit.
2446 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2449 * tree-ssa-pre.c (create_component_ref_by_pieces):
2450 Handle RETURN_DECL like VAR_DECL.
2452 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2455 * fold-const.c (fold_indirect_ref_1): Fold
2456 "*(foo *)&complexfoo" to "__real__ complexfoo"
2457 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2459 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2461 * tree-flow-inline.h (var_can_have_subvars):
2462 Volatile variables should not have subvariables.
2464 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2467 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2468 multiplying unsigned values.
2471 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2473 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2475 2006-02-08 Jason Merrill <jason@redhat.com>
2478 * tree.def: Elaborate on difference from MODIFY_EXPR.
2479 * doc/c-tree.texi (INIT_EXPR): Likewise.
2480 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2481 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2482 (gimplify_target_expr): Likewise.
2483 (gimplify_cond_expr): Remove target handling.
2484 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2485 (gimplify_expr): Clobber it here.
2486 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2487 Do return slot optimization if we have an INIT_EXPR.
2490 * tree-inline.c (declare_return_variable): Also clear
2491 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2494 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2497 * gimplify.c (gimplify_one_sizepos): Fix typo.
2499 2006-02-08 Jeff Law <law@redhat.com>
2501 PR tree-optimization/21417
2502 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2503 across a backedge if the control statement at the end of the
2504 block is data dependent on other statements in the same block.
2505 (record_temporary_equivalences_from_stmts): Remove over-conservative
2506 test for threading across backedges.
2508 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2509 control statement, handle all three special cases in the same
2510 manner as they all have the same desired solution. No longer
2511 special case edge flag updating when the post dominator is
2514 2006-02-08 Roger Sayle <roger@eyesopen.com>
2516 * tree.def (CHAR_TYPE): Remove.
2517 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2518 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2519 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2520 (gen_string_type_die): Delete unreachable function.
2522 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2523 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2524 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2525 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2526 * builtins.c (type_to_class): Likewise.
2527 * fold-const.c (fold_convert, build_range_check,
2528 merge_ranges): Likewise.
2529 * expr.c (count_type_elements): Likewise.
2530 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2531 * stor-layout.c (layout_type): Likewise.
2532 * ipa-type-escape.c (type_to_consider): Likewise.
2533 * gimplify.c (omp_firstprivatize_type_sizes,
2534 gimplify_type_sizes): Likewise.
2535 * explow.c (promote_mode): Likewise.
2536 * tree-sra.c (is_sra_scalar_type): Likewise.
2537 * varasm.c (output_constant): Likewise.
2538 * tree-inline.c (remap_type_1): Likewise.
2539 * convert.c (convert_to_pointer, convert_to_real,
2540 convert_to_integer, convert_to_complex): Likewise.
2542 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2544 * df-scan.c (df_def_record_1): A set destination may
2545 be a parallel regardless of mode.
2547 2006-02-08 Roger Sayle <roger@eyesopen.com>
2550 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2551 * config/mips/_tilib.c: Remove.
2552 * config/fixtfdi.c: New libgcc source file.
2553 * config/fixunstfdi.c: New source file.
2554 * config/floatditf.c: New source file.
2555 * config/floatunditf.c: New souce file.
2556 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2557 files above instead of config/mips/_tilib.c.
2558 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2560 2006-02-08 Jeff Law <law@redhat.com>
2562 PR tree-optimization/26169
2563 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2566 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2568 * df.h (DF_REG_SIZE): Return the length of the initialized
2571 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2573 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2574 __muldf3): Return a correctly signed zero.
2576 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2578 * passes.c (register_one_dump_file): Accept the current properties
2579 instead of pass number. Adjust call to dump_register. Remove
2581 (register_dump_files): Now a wrapper around...
2582 (register_dump_files_1): ... this one. Do not modify the pass
2584 (next_pass_1): Cosmetic fix.
2585 (execute_todo): Keep second parameter only. Use curr_properties
2586 instead of fetching it from the pass structure. Check and set
2588 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2589 instead of fetching it from the pass structure. Fix calls to
2590 execute_todo. Update curr_properties and initialize .vcg RTL dump
2591 after running the pass. Reset last_verified.
2592 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2594 (FIRST_AUTO_NUMBERED_DUMP): New.
2595 (dump_register): Remove "num" parameter, assign it within the
2597 (get_dump_file_name): Modify template for dumps.
2598 * tree-dump.h (dump_register): Adjust prototype.
2599 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2600 (PROP_trees): Add PROP_gimple_lomp.
2601 (TODO_set_props): New.
2602 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2603 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2604 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2606 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2608 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2609 (sparc64-*-linux*): Likewise.
2610 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2611 * config/sparc/t-linux: New file.
2612 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2613 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2614 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2615 -m32 -mlong-double-128.
2617 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2618 * config/alpha/t-linux: New file.
2619 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2621 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2622 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2623 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2624 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2625 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2626 (CPP_ARCH32_SPEC): Remove.
2628 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2630 PR tree-optimization/26145
2631 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2634 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2637 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2638 >= 240000 when generating code for SOM runtime.
2639 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2640 to $$dyncall when generating code for SOM runtime..
2642 2006-02-07 Dirk Mueller <dmueller@suse.com>
2645 * doc/invoke.texi (-Wsequence-point): Update documentation
2646 that -Wsequence-point is implemented for C++ as well.
2648 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2650 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2651 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2652 (LIB_SPEC): Likewise.
2653 * doc/invoke.texi (SPARC options): Document -pthread.
2655 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2657 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2660 2006-02-07 Roger Sayle <roger@eyesopen.com>
2662 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2663 Correct comment describing BOOLEAN_TYPE.
2665 2006-02-07 Dirk Mueller <dmueller@suse.com>
2667 * c.opt: C++ frontend supports -Wdiv-by-zero.
2668 * c-opts.c (c_common_handle_option): Remove dead case.
2670 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2672 * configure.ac (TLS assembler check): Do not enable TLS by
2673 default on SPARC/Solaris before version 10.
2674 * configure: Regenerate.
2676 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2678 * doc/invoke.texi (xl-compat): Document conversion and support
2681 2006-02-07 Jeff Law <law@redhat.com>
2683 * tree-vrp.c (find_conditional_asserts): Update comments.
2684 (simplify_stmt_for_jump_threading): New.
2685 (identify_jump_threads, finalize_jump_threads): New.
2686 (vrp_finalize): Call identify_jump_threads.
2687 (execute_vrp): Call finalize_jump_threads.
2688 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2689 (vrp_element, vrp_data, vrp_element_p): Remove.
2690 (vrp_hash_elt, vrp_variables_stack): Remove.
2691 (vrp_hash, vrp_eq, record_range): Remove.
2692 (simplify_cond_and_lookup_avail_expr): Remove.
2693 (extract_range_from_cond): Remove.
2694 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2695 (simplify_stmt_for_jump_threading): New.
2696 (dom_thread_across_edge): New wrapper.
2697 (tree_ssa_dominator_optimize): No longer initialize or
2698 finalize any of the VRP datastructures. Remove iteration
2699 step and simplify as a result of removal of iteration step.
2700 (pass_dominator): Perform a cfg cleanup after DOM.
2701 (dom_opt_finalize_block): Use the new common routines
2702 for threading jumps. Simplify stack management slightly.
2703 No longer need to unwind VRP state.
2704 (record_equivalences_from_incoming_edge): No longer record
2706 (eliminate_redundant_computations): No longer call
2707 simplify_cond_and_lookup_avail_expr.
2708 * tree-flow.h (potentially_threadable_block): Prototype.
2709 (thread_across_edge): Likewise.
2710 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2711 (tree-ssa-threadedge.o): Add dependencies.
2712 * tree-ssa-threadedge.c: New file.
2713 * passes.c (init_optimization_passes): Merge PHIs before
2714 calling VRP. Run VRP again late in the SSA optimization pipeline.
2716 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2718 * df-core.c (df_set_blocks): Do not dereference function pointers.
2719 (df_finish1): Likewise.
2720 (df_hybrid_search_forward): Likewise.
2721 (df_hybrid_search_backward): Likewise.
2722 (df_iterative_dataflow): Likewise.
2723 (df_analyze_problem): Likewise.
2724 (df_compact_blocks): Likewise.
2725 (df_dump): Likewise.
2726 * df-scan.c (df_rescan_blocks): Likewise.
2727 (df_record_entry_block_defs): Likewise.
2729 * genconditions.c (write_conditions): Guard the definition of
2730 'insn_conditions' with the check on GCC version.
2731 (write_writer): Guard the traversal 'insn_conditions' with
2732 the check on GCC version.
2734 2006-02-07 Richard Guenther <rguenther@suse.de>
2738 2006-01-30 Richard Guenther <rguenther@suse.de>
2740 * gimplify.c (gimplify_target_expr): Handle easy cases
2741 without creating a temporary.
2743 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2745 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2746 use of float in probability computations. Use edge probabilities
2747 in place of statically computed probabilities.
2748 (min_spec_prob): New static variable.
2749 (schedule_insns): Initialize it.
2750 (GET_SRC_PROB): Removed.
2751 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2753 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2756 * config/ia64/unwind-ia64.c: Revert last change.
2757 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2758 (INCOMING_FRAME_SP_OFFSET): Define.
2760 2006-02-06 Roger Sayle <roger@eyesopen.com>
2762 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2764 2006-02-07 Ben Elliston <bje@au.ibm.com>
2766 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2767 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2768 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2769 (ix86_return_in_memory): Handle TDmode.
2770 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2771 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2773 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2775 * reorg.c (dbr_schedule): Use dump_file instead of file.
2777 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2780 * config/ia64/predicates.md (extr_len_operand): New predicate.
2781 * config/ia64/ia64.md (extv): Tighten constraints.
2783 (*tbit_and_2): Ditto.
2784 (*tbit_and_3): Ditto.
2785 (*tbit_or_2): Ditto.
2786 (*tbit_or_3): Ditto.
2790 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2793 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2795 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2797 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2798 loop_optimizer_init and loop_optimizer_finalize
2799 * tree-ssa-sink.c (execute_sink_code): Ditto.
2800 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2801 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2802 tree_ssa_loop_done): Ditto.
2803 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2804 * sched-ebb.c: Include output.h.
2805 (schedule_ebbs): Do not use dump argument.
2806 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2807 * loop.c (loop_dump_stream): Removed.
2808 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2810 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2811 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2812 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2813 loop_iterations, strength_reduce, record_biv, record_giv,
2814 final_giv_value, check_final_value, check_ext_dependent_givs,
2815 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2816 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2817 dump_file instead of loop_dump_stream.
2818 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2820 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2822 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2823 * haifa-sched.c: Include output.h
2824 (schedule_insns, sched_init): Do not use dump argument.
2825 * mode-switching.c (optimize_mode_switching): Ditto.
2826 * modulo-sched.c (stats_file): Removed.
2827 (print_node_sched_params): Do not call argument dump_file.
2828 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2829 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2831 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2833 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2834 rtl_loop_init, rtl_loop_done): Ditto.
2835 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2836 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2838 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2839 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2840 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2841 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2842 * emit-rtl.c (renumber_insns): Ditto.
2843 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2844 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2845 * regclass.c (regclass): Ditto.
2846 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2847 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2848 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2849 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2851 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2852 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2854 * gcse.c (gcse_file, debug_stderr): Removed.
2855 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2856 rest_of_handle_gcse): Do not use dump argument.
2857 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2858 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2859 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2860 compute_code_hoist_vbeinout, compute_code_hoist_data,
2861 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2862 compute_store_table, build_store_vectors, insert_insn_start_bb,
2863 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2864 store_motion): Use dump_file instead of gcse_file.
2865 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2866 * profile.c (profile_dump_file): Removed.
2867 (branch_prob): Use dump_file instead of profile_dump_file.
2868 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2870 * tree-ssa-copy.c (dump_copy_of): Ditto.
2871 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2872 dump file to life_analysis.
2873 * bt-load.c (branch_target_load_optimize): Ditto.
2874 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2876 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2877 regclass, dbr_schedule): Declaration changed.
2878 * sched-int.h (sched_init): Declaration changed.
2879 * tree-profile.c (tree_profile_dump_file): Removed.
2880 (tree_profile_hooks): Removed profile_dump_file hook.
2881 * rtl-profile (rtl_profile_dump_file): Removed.
2882 (rtl_profile_hooks): emoved profile_dump_file hook.
2883 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2885 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2886 * tree-cfg.c (build_tree_cfg): Ditto.
2887 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2888 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2889 Declaration changed.
2890 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2891 life_analysis and schedule_insns.
2892 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2894 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2896 * config/mips/mips.c (mips_reorg): Ditto.
2897 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2900 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2902 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2903 (s390_mangle_fundamental_type): New.
2904 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2907 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2908 (alpha_mangle_fundamental_type): New.
2909 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2912 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2914 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2916 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2917 (sparc_mangle_fundamental_type): New.
2919 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2921 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2922 (s390x-*-linux*): Likewise.
2923 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2924 * config/s390/t-linux: New file.
2926 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2928 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2929 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2931 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2933 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2934 (ANTIC_SAFE_LOADS): New macro.
2935 (find_or_generate_expression): Add prototype.
2936 (set_contains_value): Allow null set for sake of not always having
2937 to allocate ANTIC_SAFE_LOADS.
2938 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2939 Allow COMPONENT_REF too.
2940 (valid_in_set): Allow COMPONENT_REF.
2941 Check ANTIC_SAFE_LOADS too.
2942 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2943 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2945 (can_PRE_operation): Add COMPONENT_REF.
2946 (create_component_ref_by_pieces): New function.
2947 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2948 (insert_aux): Move AGGREGATE_TYPE_P check here.
2949 (compute_avail): Set bb local stmt uids.
2950 (pass_pre): Use TODO_update_ssa_only_virtuals.
2952 2006-02-06 Ben Elliston <bje@au.ibm.com>
2954 * configure.ac: Unconditionally disable decimal float by default.
2955 * configure: Regenerate.
2957 2006-02-06 Ben Elliston <bje@au.ibm.com>
2959 * read-rtl.c (read_name): Terminate reading on EOF.
2961 2006-02-06 Ben Elliston <bje@au.ibm.com>
2963 * dfp.c (decimal_real_arithmetic): Change second argument type
2964 from int to enum tree_code. Do not always return true, but now
2965 return result of any call to decimal_do helper functions.
2966 * dfp.h (decimal_real_arithmetic): Update prototype.
2968 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2970 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2972 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2975 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2978 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2980 * tree-vrp.c (cfg_loops): Removed.
2981 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2982 Use current_loops instead of cfg_loops. Pass flags to
2983 loop_optimizer_init.
2984 * cfgloopmanip.c (fix_loop_structure): Update only available
2986 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2987 loop_optimizer_init.
2988 * modulo-sched.c (build_loops_structure): Removed.
2989 (sms_schedule): Use loop_optimizer_init.
2990 * loop-init.c (loop_optimizer_init): Use flags to determine
2991 which properties of loops to prepare.
2992 (rtl_loop_init): Pass flags to loop_optimizer_init.
2993 * tree-ssa-sink.c (execute_sink_code): Ditto.
2994 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2995 * tree-ssa-pre.c (init_pre): Ditto.
2996 * cfgloop.h (LOOPS_NORMAL): New.
2997 (loop_optimizer_init): Declaration changed.
2999 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3001 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3002 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3004 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3006 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3008 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3009 * pa/t-pa64: Delete quadlib.c rule.
3010 * pa/x-ada: Revert last change.
3011 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3013 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3015 PR rtl-optimization/26087
3016 * rtlanal.c (canonicalize_condition): Do not cross basic block
3019 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3022 * config/ia64/ia64.c: Include debug.h.
3023 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3024 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3025 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3026 (process_epilogue, process_set, process_for_unwind_directive):
3027 Output unwind info only if requested. Add CFA info if requested.
3028 Add new arguments as needed. Adjust callers.
3029 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3031 (DWARF2_FRAME_INFO): Define to zero.
3032 * config/ia64/unwind-ia64.c: Remove code that compensated for
3033 the CFA offset error fixed above.
3034 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3035 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3036 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3037 -funwind-tables and -fexceptions to enable frame info.
3038 (dwarf2out_frame_init): Define initial CFA even if
3039 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3040 DWARF2_UNWIND_INFO is nonzero, not just defined.
3041 (dwarf2out_frame_finish): Output non-EH call frame info only
3042 if DWARF2_FRAME_INFO is nonzero.
3043 (convert_cfa_to_loc_list,
3044 compute_frame_pointer_to_cfa_displacement): Define even if
3045 unwind info is not supported.
3046 (gen_subprogram_die): Use the above unconditionally. Remove
3047 legacy alternate code.
3048 * toplev.c (compile_file): Compile in call to
3049 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3050 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3052 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3053 Jakub Jelinek <jakub@redhat.com>
3055 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3056 IBM extended float format long double as "g" on powerpc*-linux.
3058 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3061 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3062 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3064 2006-02-03 Jason Merrill <jason@redhat.com>
3067 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3070 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3071 on the return slot if it's an NRV.
3073 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3075 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3076 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3077 rewrite_use): Do not handle USE_OUTER.
3078 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3079 add_iv_outer_candidates, may_replace_final_value,
3080 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3081 (find_interesting_uses_op): Functionality of
3082 find_interesting_uses_outer_or_nonlin moved here.
3083 (find_interesting_uses_outside): Use find_interesting_uses_op.
3085 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3088 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3090 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3091 Ulrich Weigand <uweigand@de.ibm.com>
3094 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3095 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3096 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3097 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3099 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3100 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3101 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3102 Define secondary reloads for TFmode moves.
3103 (constant_modes): Add TFmode.
3104 (NR_C_MODES): Set to 8.
3105 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3107 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3108 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3109 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3110 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3111 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3112 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3113 (FPR mode macro): Add TFmode.
3114 (DSF mode macro): New.
3115 (<de>, <dee> mode attributes): Removed.
3116 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3117 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3118 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3119 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3120 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3121 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3122 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3123 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3124 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3125 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3126 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3127 "*negabs<mode>2", "sqrt<mode>2"):
3128 Changed <de> to <xde>. R constraint replaced by <Rf>.
3129 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3131 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3132 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3133 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3135 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3136 "extenddftf2", "extendsftf2"): New expanders.
3137 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3138 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3139 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3140 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3142 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3143 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3144 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3145 __floatditf): Add a GCC_4.1.0 symbol version tag.
3146 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3149 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3152 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3153 Use targetm.binds_local_p instead of TREE_PUBLIC.
3155 2006-02-02 Roger Sayle <roger@eyesopen.com>
3157 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3158 on INTEGER_TYPEs to indicate that it denotes a character type.
3159 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3160 signed_char_type_node, unsigned_char_type_node and char_type_node.
3161 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3162 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3163 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3165 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3166 Daniel Berlin <dberlin@dberlin.org>
3168 * tree-tailcall.c (arg_needs_copy_p): New function.
3169 (eliminate_tail_call): Use arg_needs_copy_p.
3170 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3171 (add_virtual_phis): New function.
3173 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3175 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3176 #ignore instead of #scratch for %g7 .register directive.
3178 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3180 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3183 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3185 * flow.c (calculate_global_regs_live): Assert that there aren't any
3188 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3190 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3192 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3193 bsi_after_labels iterator.
3194 * tree-if-conv.c (find_phi_replacement_condition,
3195 replace_phi_with_cond_modify_expr): Likewise.
3196 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3197 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3199 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3201 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3203 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3206 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3207 array after growing it.
3209 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3212 * fold-const.c (fold_checksum_tree): Change type of buf.
3214 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3216 * reload.c (push_secondary_reload): Initialize t_icode.
3218 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3220 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3221 -msoft-float -mlong-double-128 only issue a warning, but don't
3222 swich to DFmode long double.
3224 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3226 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3227 has a constant equivalent, iterate over equivalents for arg0,
3228 calling simplify_relational_operation and if there's a result
3229 cheaper than X, apply fold_rtx and return the result.
3231 2006-02-01 Jan Hubicka <jh@suse.cz>
3233 * opts.c (no_unit_at_a_time_default): New global variable.
3234 (decode_options): Use it.
3235 * opts.h (no_unit_at_a_time_default): Declare.
3237 2006-02-01 Paul Brook <paul@codesourcery.com>
3239 * function.c (assign_parm_setup_reg): Use function argument promotion
3241 * expr.c (expand_expr_real_1): Use function argument promotion rules
3244 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3246 * gcc.c (process_command): Change j to 'unsigned int'.
3248 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3251 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3252 Use the corrected index for the character
3253 out of the string constant.
3255 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3257 * mode-switching.c (optimize_mode_switching): Fix size
3258 allocated for bb_info[n_entities].
3260 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3262 * gcc.c (main): Correct type that is allocated for
3263 explicit_link_files.
3265 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3267 * config/s390/s390.c (init_alignment_context): Set
3268 ALIAS_SET_MEMORY_BARRIER on the MEM.
3269 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3271 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3274 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3276 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3279 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3281 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3282 * regrename.c: Ditto.
3283 * tree-ssa-loop-im.c: Ditto.
3284 * tree-dump.c: Ditto.
3285 * tree-complex.c: Ditto.
3286 * genrecog.c: Ditto.
3287 * tree-ssa-threadupdate.c: Ditto.
3289 * java/class.c: Ditto.
3290 * java/jcf-parse.c: Ditto.
3291 * java/resource.c: Ditto.
3292 * java/except.c: Ditto.
3293 * java/jvspec.c: Ditto.
3294 * java/jcf-write.c: Ditto.
3295 * java/jcf-path.c: Ditto.
3296 * java/gjavah.c: Ditto.
3297 * java/zextract.c: Ditto.
3298 * java/jcf-io.c: Ditto.
3299 * java/jcf.h: Ditto.
3300 * java/buffer.c: Ditto.
3301 * java/lang.c: Ditto.
3302 * java/parse-scan.y: Ditto.
3303 * java/lex.c: Ditto.
3304 * java/lex.h: Ditto.
3305 * cfgloopmanip.c: Ditto.
3306 * postreload-gcse.c: Ditto.
3307 * tree-ssa-loop-manip.c: Ditto.
3308 * postreload.c: Ditto.
3309 * tree-ssa-loop-ch.c: Ditto.
3313 * diagnostic.c: Ditto.
3315 * genoutput.c: Ditto.
3317 * cfghooks.c: Ditto.
3318 * cfgloopanal.c: Ditto.
3319 * objc/objc-act.c: Ditto.
3321 * genextract.c: Ditto.
3322 * genautomata.c: Ditto.
3323 * pretty-print.c: Ditto.
3325 * cgraphunit.c: Ditto.
3328 * haifa-sched.c: Ditto.
3329 * dominance.c: Ditto.
3331 * tree-ssa-loop-ivopts.c: Ditto.
3333 * mode-switching.c: Ditto.
3334 * modulo-sched.c: Ditto.
3336 * ipa-pure-const.c: Ditto.
3338 * fix-header.c: Ditto.
3340 * tree-stdarg.c: Ditto.
3341 * ipa-utils.c: Ditto.
3342 * loop-init.c: Ditto.
3343 * ipa-inline.c: Ditto.
3346 * alloc-pool.c: Ditto.
3347 * dwarf2out.c: Ditto.
3349 * genattrtab.c: Ditto.
3350 * tree-ssa-loop-ivcanon.c: Ditto.
3354 * fortran/gfortranspec.c: Ditto.
3356 * local-alloc.c: Ditto.
3357 * langhooks.c: Ditto.
3358 * function.c: Ditto.
3359 * tree-vectorizer.c: Ditto.
3361 * ipa-type-escape.c: Ditto.
3363 * tree-if-conv.c: Ditto.
3366 * tree-data-ref.c: Ditto.
3367 * loop-unroll.c: Ditto.
3368 * treelang/treetree.c: Ditto.
3371 * ggc-common.c: Ditto.
3373 * coverage.c: Ditto.
3375 * tree-cfgcleanup.c: Ditto.
3376 * tree-ssa-pre.c: Ditto.
3377 * cfgcleanup.c: Ditto.
3378 * loop-invariant.c: Ditto.
3380 * ipa-prop.c: Ditto.
3381 * print-tree.c: Ditto.
3382 * conflict.c: Ditto.
3383 * ggc-page.c: Ditto.
3384 * sched-deps.c: Ditto.
3385 * regclass.c: Ditto.
3386 * tree-object-size.c: Ditto.
3388 * bb-reorder.c: Ditto.
3389 * resource.c: Ditto.
3390 * var-tracking.c: Ditto.
3392 * df-problems.c: Ditto.
3393 * reg-stack.c: Ditto.
3396 * sched-rgn.c: Ditto.
3397 * tree-ssa-structalias.c: Ditto.
3398 * tree-ssa-reassoc.c: Ditto.
3399 * config/darwin-c.c: Ditto.
3400 * config/darwin.c: Ditto.
3401 * config/arm/arm.c: Ditto.
3403 * collect2.c: Ditto.
3406 2006-01-31 Nicolas Pitre <nico@cam.org>
3408 * arm.md (smaxsi3): Make aware of smax_m1.
3411 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3413 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3415 2006-01-31 Richard Guenther <rguenther@suse.de>
3417 * doc/invoke.texi (-msselibm): Document.
3418 * target.h (expand_library_builtin): New target hook.
3419 * builtins.c (expand_builtin): Use expand_library_builtin.
3420 (default_expand_library_builtin): New function.
3421 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3422 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3423 (link_gcc_math_spec): Declare.
3424 (static_specs): Add link_gcc_math_spec.
3425 * expr.h (default_expand_library_builtin): Declare.
3426 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3427 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3428 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3429 * config/i386/i386.opt (msselibm): New target option.
3430 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3431 (ix86_init_sse_abi_builtins): New function.
3432 (ix86_expand_library_builtin): Likewise.
3433 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3434 (override_options): Handle error conditions wrt -msselibm.
3435 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3436 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3437 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3440 2006-01-31 Richard Guenther <rguenther@suse.de>
3441 Paolo Bonzini <bonzini@gnu.org>
3443 * doc/install.texi (--disable-libgcc-math): Document.
3445 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3447 * expr.h (expand_normal): new inline function.
3448 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3450 * dwarf2out.c: use it.
3455 * config/sparc/sparc.c: use it.
3456 * config/i386/i386.c: use it.
3457 * config/rs6000/rs6000.c: use it.
3458 * config/arm/arm.c: use it.
3459 * config/mips/mips.c: use it.
3460 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3462 2006-01-30 Roger Sayle <roger@eyesopen.com>
3464 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3465 argv to the appropriate type.
3467 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3469 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3472 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3475 * config/s390/s390.c (struct machine_function): New flag
3476 decomposed_literal_pool_addresses_ok_p.
3477 (s390_reorg): Set it before final stage of literal pool transforms.
3478 (s390_decompose_address): Only accept displacements of the form
3479 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3481 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3483 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3484 the comparison routine return.
3486 2006-01-30 Michael Matz <matz@suse.de>
3488 * global.c (find_reg): Only evict for global regs.
3489 Take n_refs into account and dump more info.
3491 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3494 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3495 (pragma_trap, pragma_nosave_low_regs): Likewise.
3496 (current_function_anonymous_args): Likewise.
3497 (sh_deferred_function_attributes): New variable.
3498 (sh_deferred_function_attributes_tail): Likewise.
3499 (print_operand): For '@', look up trap_exit attribute.
3500 (calc_live_regs): Look up trapa_handler attribute. For trapa
3501 handlers, save/restore fpscr, but don't do any other
3502 interrupt-specific saves.
3503 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3504 Fix check for partially saved registers to check for SHmedia.
3505 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3506 (sh_output_function_epilogue): Don't clear any of the removed
3508 (sh_insert_attributes): Don't check pragma_interrupt.
3509 Insert deferred attributes. Check that interrupt attribute is
3510 present for other attributes that require its presence.
3511 (sh_attribute_table): Add new attributes trapa_handler and
3513 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3514 Don't check for pragma_interrupt. Don't store argument.
3515 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3516 (sh_deferred_function_attributes): Declare.
3517 (sh_deferred_function_attributes_tail): Likewise.
3518 * sh.md (sp_switch_1): Add operand. Change generator caller.
3519 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3520 (*return_i): Don't use when trap_exit attribute is in effect.
3521 (*return_trapa): New insn pattern.
3523 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3524 setting c_target_objs and cxx_target_objs.
3525 * t-sh: Add rule for sh-c.o.
3527 2006-01-30 Richard Guenther <rguenther@suse.de>
3530 * gimplify.c (gimplify_target_expr): Handle easy cases
3531 without creating a temporary.
3533 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3535 * vec.h (safe_grow): Remove duplicated line.
3537 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3540 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3541 (expand_omp): ... here.
3542 (expand_omp_parallel): Only remove barriers for combined
3543 parallel+workshare constructs.
3545 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3549 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3550 * tree.c (build_qualified_type): Chain the new type to the original
3551 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3552 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3553 (build_pointer_type_for_mode): Only return unqualified types.
3554 (build_reference_type_for_mode): Likewise.
3556 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3558 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3559 * Makefile.in (CXX_COMPAT_WARN): Define.
3560 * configure: Regenerate.
3562 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3565 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3568 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3570 * toplev.c: Fix thinko.
3572 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3573 Marcin Dalecki <martin@dalecki.de>
3575 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3576 (push_srcloc): Use XNEW.
3577 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3579 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3581 * df-core.c (df_set_blocks): Deleted all variable.
3583 2006-01-28 Ian Lance Taylor <ian@airs.com>
3585 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3586 cgraph_output_pending_asms.
3588 2006-01-28 Zack Weinberg <zackw@panix.com>
3590 * c.opt: Add -W(no-)overlength-strings.
3591 * doc/invoke.texi: Document it.
3592 * c-opts.c (c_common_handle_option): -pedantic implies
3593 -Woverlength-strings, if not explicitly disabled already.
3594 (c_common_post_options): -Woverlength-strings defaults to off, and
3595 is always off for C++.
3596 * c-common.c (fix_string_type): Issue warning about strings longer
3597 than is portable only if warn_overlength_strings. Rearrange code
3598 a little for clarity.
3599 * configure.in: Check for -Wno-overlength-strings as well before
3600 enabling -pedantic in stage 1.
3601 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3602 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3604 * genconditions.c (write_header, write_one_condition)
3605 (write_conditions, write_writer): Consolidate very long strings
3606 that were broken up to fit in C89 portable limit. Don't use
3607 printf when fputs will do.
3609 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3611 * combine.c (simplify_comparison <AND>): Check
3612 TRULY_NOOP_TRUNCATION before start using a subreg.
3614 * config/mips/mips.md (*branch_zero<mode>,
3615 *branch_zero<mode>_inverted, *branch_equality<mode>,
3616 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3617 Remove mode check from comparisons.
3619 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3621 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3623 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3625 * expmed.c (const_mult_add_overflow_p): Remove.
3626 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3628 * recog.c (validate_replace_rtx_subexp): Remove.
3629 * recog.h: Remove the prototype for
3630 validate_replace_rtx_subexp.
3632 * integrate.h: Remove the prototype for
3633 copy_decl_for_inlining.
3634 * rtl.h: Remove the prototype for mark_constant_function.
3635 * tree-vectorizer.h: Remove the prototype for
3636 vect_strip_conversion.
3638 * modulo-sched.c (create_partial_schedule,
3639 free_partial_schedule, reset_partial_schedule): Make them
3642 * hooks.c (hook_bool_rtx_int_false): Remove.
3643 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3645 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3647 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3648 and -mlong-double-128 are incompatible.
3649 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3650 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3651 (TARGET_LIBGCC2_CFLAGS): Define.
3652 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3653 (TARGET_LIBGCC2_CFLAGS): Same.
3654 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3656 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3659 * c-typeck.c (build_binary_op): Perform implicit casts of
3660 operands before shortening them.
3662 * cfgloopmanip.c (split_loop_bb): Remove.
3663 * cfgloop.h: Remove the prototype for split_loop_bb.
3665 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3666 * cfgloop.h: Remove the prototype for
3667 flow_loop_outside_edge_p.
3669 * emit-rtl.c (init_virtual_regs): Make it static.
3670 * function.h: Remove the prototype for init_virtual_regs.
3672 * recog.c (peephole2_optimize): Make it static.
3673 * recog.h: Remove the prototype for peephole2_optimize.
3675 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3677 * df-scan.c (df_record_entry_block_defs): Check if
3678 INCOMING_RETURN_ADDR_RTX is defined.
3680 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3681 Kenneth Zadeck <zadeck@naturalbridge.com>
3683 PR rtl-optimization/24762
3684 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3685 * targhooks.c (hook_void_bitmap): New hook prototype.
3686 * targhoohs.h (hook_void_bitmap): Ditto.
3687 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3688 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3689 * target.h (live_on_entry): New function pointer.
3690 * df-scan.c (df_all_hard_regs): Removed.
3691 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3692 (df_scan_free_internal): Added df->entry_block_defs.
3693 (df_scan_alloc): Ditto.
3694 (df_scan_dump): Ditto.
3695 (df_uses_record): Plumbed flag field properly thru calls.
3696 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3697 This part fixes PR24762.
3698 (df_bb_refs_record): Added code to make the frame and arg
3699 pointers live in EH blocks.
3700 (df_refs_record): Added call to df_record_entry_block_defs.
3701 (df_record_entry_block_defs): New function.
3702 * df-core.c: Added comments to describe new artifical defs.
3703 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3704 (entry_block_defs): New field in struct df.
3705 (df_all_hard_regs): Deleted.
3706 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3707 * df-problems.c (df_ru_bb_local_compute_process_def):
3708 Added code to handle artifical defs in the entry to a function.
3709 (df_ru_bb_local_compute): Ditto.
3710 (df_rd_bb_local_compute_process_def): Ditto.
3711 (df_rd_bb_local_compute): Ditto.
3712 (df_lr_bb_local_compute): Ditto.
3713 (df_ur_bb_local_compute): Ditto.
3714 (df_urec_bb_local_compute): Ditto.
3715 (df_chain_create_bb): Ditto.
3716 (df_ur_local_finalize): Removed entry.
3717 (df_urec_init): Ditto.
3718 (df_urec_local_finalize): Ditto.
3719 (df_ri_bb_compute): Added detection of last use of pseudos.
3720 * Makefile.in (df-scan.o): Updated dependencies.
3721 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3722 * config/mips/mips.c (mips_set_live_on_entry): Added.
3723 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3725 * dce.c (marked_insn_p): Added code to handle artifical defs.
3727 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3729 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3731 (_mm_cvtsi128_si64): Likewise.
3732 (_mm_cvtsd_si64): Likewise.
3733 (_mm_cvttsd_si64): Likewise.
3734 (_mm_cvtsi64_sd): Likewise.
3735 (_mm_cvtsi64_si128): Likewise.
3736 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3737 (_mm_cvtsi64_m64): Likewise.
3738 (_m_to_int64): Likewise.
3739 (_mm_cvtm64_si64): Likewise.
3740 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3741 (_mm_cvttss_si64): Likewise.
3742 (_mm_cvtsi64_ss): Likewise.
3743 (_mm_cvtss_f32): Likewise.
3745 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3747 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3748 for pragma redefine_extname.
3750 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3753 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3754 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3755 -mno-minimal-toc to previous content.
3756 (bispecs): Remove goal.
3757 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3758 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3759 compatibility aliases on powerpc-*-*gnu*.
3760 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3761 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3762 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3763 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3764 (ldblspecs): New goal.
3765 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3766 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3768 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3769 L_sf_to_tf or L_df_to_tf is defined.
3771 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3772 Alan Modra <amodra@bigpond.net.au>
3775 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3776 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3777 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3778 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3779 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3780 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3781 (rs6000_override_options): Initialize rs6000_ieeequad.
3782 Initialize TFmode format to ibm_extended_format if not
3784 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3786 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3787 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3788 (function_arg_advance): IBM long double passed in two FPRs, not
3790 (function_arg): IBM long double passed in FPRs.
3791 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3792 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3793 Only multireg GPR aligned.
3794 (rs6000_init_libfuncs): Enable IBM long double functions if not
3796 (rs6000_generate_compare): Use IBM long double compare if not
3798 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3799 (TARGET_IEEEQUAD): Define.
3800 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3801 not TARGET_IEEEQUAD.
3802 * config/rs6000/rs6000.md: Enable TFmode patterns if
3804 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3805 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3806 and -mlong-double-128 are incompatible.
3807 * doc/invoke.texi (-mabi): Collect options together. Add
3808 ibmlongdouble and ieeelongdouble.
3810 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3812 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3814 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3815 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3816 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3817 * rtl.h (rtunion_def): Remove rt_ptr.
3819 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3820 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3821 * config/i386/winnt.c (i386_pe_mark_dllexport)
3822 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3824 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3826 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3828 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3832 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3833 pthread_key_delete. From John David Anglin. gthrw-ify
3834 pthread_getunique_np only if it it's not a macro. Delete
3836 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3837 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3838 __gthread_objc_condition_signal, __gthread_key_delete): Add
3839 "__attribute__ ((__unused__))" to unused arguments.
3840 (__gthread_recursive_mutex_init_function): Add missing return.
3841 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3842 gthr-posix95.h: Use macro-based approach for name redirection
3843 on targets missing weakref.
3845 2006-01-26 Zack Weinberg <zackw@panix.com>
3847 * genconditions.c (write_header): In generated code, #ifdef out
3848 all includes and fake declarations, except includes of bconfig.h
3849 and system.h, unless GCC_VERSION >= 3001. Do not include
3850 gensupport.h in any case.
3851 (write_conditions): Generate a definition of struct c_test. Add
3852 a comment to the generated #endif.
3853 (write_one_condition): Escape backslashes in string too.
3854 (write_writer): Generated code must escape backslashes and quote
3855 marks (but not newlines) in the strings it writes.
3856 * Makefile.in (build/gencondmd.o): Update dependencies.
3858 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3861 * Makefile.in (insn-automata.o): Add header file dependencies.
3862 * genautomata.c: Add includes.
3864 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3867 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3869 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3871 * configure.ac: Expect target tools paths to be passed from the toplevel
3872 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3874 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3876 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3879 * c.opt (Wpointer-sign): Init to -1.
3880 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3881 OPT_pedantic, to 0 otherwise.
3882 * doc/invoke.texi: Update.
3884 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3886 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3887 constants provided by 80387 instructions in the destination mode.
3889 2006-01-26 Richard Guenther <rguenther@suse.de>
3890 Andrew Pinski <pinskia@physics.uc.edu>
3893 partial PR tree-opt/17064
3894 * tree-ssa-structalias.c (intra_create_variable_infos):
3895 Create heap variables for incoming parameters if
3896 flag_argument_noalias > 1.
3897 (find_what_p_points_to): Look through default defs of
3900 2006-01-26 Jeff Law <law@redhat.com>
3903 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3904 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3905 within the VR_RANGE, use the VR_RANGE as the result, not the
3907 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3908 bounds for the type.
3910 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3912 * tree-ssa-alias.c (maybe_create_global_var): Change
3913 subvar walking to an assertion that we don't have subvar'd variables.
3915 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3918 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3919 Use a new variable, inner. PARM_DECLs are always non-weak.
3921 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3923 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3926 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3928 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3930 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3932 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3933 (smax_insn, smin_insn, smax_0, smin_0): New.
3935 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3938 * config/cris/cris.c (cris_order_for_addsi3): New function.
3939 * config/cris/cris-protos.h: Prototype it.
3940 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3941 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3942 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3943 (split for "op.S1 [rx=rx+i],ry (swapped)")
3944 (split for "op(s|u).S1 [rx=rx+i],ry")
3945 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3946 Apply cris_order_for_addsi3 when generating addsi3 insns.
3948 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3950 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3951 (TREE_BLOCK): Add call to EXPR_CHECK.
3953 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3956 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3957 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3958 (dump_omp_clauses): ... here.
3959 (dump_generic_node): Handle OMP_CLAUSE.
3960 * tree.c (omp_clause_num_ops): New.
3961 (omp_clause_code_name): New.
3962 (tree_code_size): Handle OMP_CLAUSE.
3963 (tree_size): Likewise.
3964 (make_node): Document handling of OMP_CLAUSE.
3965 (tree_node_structure): Handle OMP_CLAUSE.
3966 (omp_clause_check_failed): New.
3967 (omp_clause_range_check_failed): New.
3968 (omp_clause_operand_check_failed): New.
3969 (build_omp_clause): New.
3970 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3971 * tree.h (enum omp_clause_code): Declare.
3972 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3973 (OMP_CLAUSE_RANGE_CHECK): Define.
3974 (OMP_CLAUSE_ELT_CHECK): Define.
3975 (omp_clause_check_failed): Declare.
3976 (omp_clause_operand_check_failed): Declare.
3977 (omp_clause_range_check_failed): Declare.
3978 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3979 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3980 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3981 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3982 (OMP_CLAUSE_IF_EXPR): Likewise.
3983 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3984 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3985 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3986 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3987 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3988 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3989 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3990 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3991 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3992 (OMP_CLAUSE_CODE): Define.
3993 (OMP_CLAUSE_SET_CODE): Define.
3994 (OMP_CLAUSE_CODE): Define.
3995 (OMP_CLAUSE_OPERAND): Define.
3996 (struct tree_omp_clause): Declare.
3997 (union tree_node): Add field 'omp_clause'.
3998 * treestruct.def (TS_OMP_CLAUSE): Define.
3999 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
4000 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
4001 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
4002 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
4003 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
4004 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
4005 (OMP_CLAUSE): Define.
4006 * print-tree.c (print_node): Handle OMP_CLAUSE.
4007 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
4008 * c-typeck.c: Likewise.
4009 * gimplify.c: Likewise.
4010 * c-omp.c: Likewise.
4011 * tree-nested.c: Likewise.
4012 * tree-inline.c: Likewise.
4013 * c-parser.c: Likewise.
4014 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4017 2006-01-25 Roger Sayle <roger@eyesopen.com>
4019 PR rtl-optimization/25703
4020 * combine.c (try_combine): Handle zero_extract and strict_low_part
4021 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4023 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4025 * global.c: Fix comment typos.
4027 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4030 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4031 Use output_addr_const instead of assemble_name.
4033 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4035 * Makefile.in (sched-vis.o): Update dependencies.
4036 * haifa-sched.c (sched_finish): Clear current_sched_info.
4037 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4038 (dump_flow_info): Call it.
4039 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4041 * basic-block.h (dump_bb_info): Declare.
4042 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4043 option, and apply options only for dump files whose TDF_RTL,
4044 TDF_TREE, or TDF_IPA bits match.
4045 * rtl.h: Declare new functions exported from sched-vis.c.
4046 * sched-vis.c: Enable also if scheduling is not used.
4047 (print_value): Print the mode of registers if not inside scheduling.
4048 (print_insn): Make it work outside the scheduler. Beautify the output
4050 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4052 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4054 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4055 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4056 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4057 depending on the value of CONSTANT_POOL_ADDRESS_P.
4058 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4060 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4061 rather than SYMBOL_REF_DECL.
4062 (rtx_constant_pool): Remove const_rtx_sym_htab.
4063 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4064 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4065 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4066 Remove handling of const_rtx_sym_htab.
4067 (find_pool_constant): Delete.
4068 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4069 rather than find_pool_constant.
4070 (get_pool_constant_for_function): Delete.
4071 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4073 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4074 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4075 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4076 (SYMBOL_REF_CONSTANT): New macro.
4077 (get_pool_constant_for_function): Delete.
4078 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4079 rather than SYMBOL_REF_DECL.
4080 (i386_pe_mark_dllimport): Likewise.
4081 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4082 rather than SYMBOL_REF_DECL.
4083 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4084 (machopic_indirect_call_target): Likewise.
4086 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4088 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4090 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4092 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4094 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4096 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4098 2006-01-24 David Daney <ddaney@avtrex.com>
4101 * configure.ac (enable_tls): New enable option.
4102 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4103 * configure: Regenerate.
4104 * doc/install.texi (--enable-tls): Document new option.
4105 (--disable-tls): Ditto.
4107 2006-01-24 Richard Henderson <rth@redehat.com>
4109 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4110 * alias.c (true_dependence): Respect it.
4111 (canon_true_dependence, write_dependence_p): Likewise.
4112 * builtins.c (get_builtin_sync_mem): Set it.
4114 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4116 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4119 2006-01-24 DJ Delorie <dj@redhat.com>
4121 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4122 for storing constants in single-bit bitfields.
4124 2006-01-25 Ben Elliston <bje@au.ibm.com>
4126 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4128 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4131 * tree-ssa-pre.c (phi_translate): Return NULL
4132 for AGGREGATE_TYPE's.
4134 2006-01-24 Zack Weinberg <zackw@panix.com>
4136 * genautomata.c (process_state_for_insn_equiv_partition):
4137 Use xcalloc for insn_arcs_array.
4138 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4139 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4141 2006-01-24 Richard Henderson <rth@redhat.com>
4143 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4146 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4148 PR rtl-optimization/25890
4149 PR rtl-optimization/25905
4150 * combine.c (expand_compound_operation, expand_field_assignment):
4151 Fail if the bitfield's final position is out of bounds.
4153 2006-01-24 Ian Lance Taylor <ian@airs.com>
4156 * cgraphunit.c (cgraph_output_in_order): Don't clear
4157 cgraph_asm_nodes until after asm strings have been output.
4159 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4161 * fix-header.c (read_scan_file): Add new parameter imultilib when
4162 calling register_include_chains.
4164 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4166 * omp-low.c: Update documentation.
4168 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4169 Daniel Berlin <dberlin@dberlin.org>
4173 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4174 return from the function.
4176 2006-01-22 Zack Weinberg <zackw@panix.com>
4178 * rtl.def (match_code): Add second argument.
4179 * genpreds.c (write_extract_subexp): New function.
4180 (write_match_code): Add path argument. Use write_extract_subexp.
4181 (write_predicate_expr): Pass path to write_match_code.
4182 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4183 not perform a mode test.
4184 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4185 a subexpression does not constrain the top-level code set.
4186 * read-rtl.c (read_rtx_variadic): New function.
4187 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4188 * doc/md.texi: Document new notation.
4189 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4190 (cmpsi_operand): ... here, using new notation.
4192 2006-01-22 Zack Weinberg <zackw@panix.com>
4194 * varray.c: Remove GENERATOR_FILE #ifdefs.
4196 2006-01-22 Zack Weinberg <zackw@panix.com>
4198 * genautomata.c (output_reserved_units_table): Emit nothing if
4199 description->query_units_num is zero. Remove extra blank line.
4200 (output_cpu_unit_reservation_p): Short circuit
4201 if description->query_units_num is zero.
4203 2006-01-22 Zack Weinberg <zackw@panix.com>
4205 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4206 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4207 nor any of the random handful of variables that used to be necessary
4208 when this program was linked with rtlanal.o. Prune set of forward
4209 function declarations.
4210 (struct attr_desc): Remove static_p field.
4211 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4212 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4213 (attr_string): Do not read the character one past the length of
4215 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4216 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4217 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4218 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4219 (make_automaton_attrs): New.
4220 (main): Do not call into genautomata. Call local gen_bypass
4221 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4222 Remove special case for insn_alts.
4223 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4224 varray.h (leftover from previous change). Prune set of forward
4225 function declarations. Remove state_alts fields from all
4226 structures. Remove state_alts_table from struct automaton.
4227 Make everything except main static. Do not maintain num_dfa_decls.
4228 Do not maintain state_alts fields of various structures.
4229 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4230 (add_arc): Remove state_alts argument. All callers updated.
4231 (output_reserved_units_table): Emit #ifdef here...
4232 (output_tables): ...not here. Don't generate state_alts tables.
4233 (expand_automata): Don't generate attributes.
4234 (write_automata): Don't generate state_alts functions.
4235 (main): New function.
4236 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4237 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4238 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4239 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4240 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4241 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4242 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4243 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4245 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4246 * genattrtab.h: Delete file.
4247 * Makefile.in (OBJS-common): Add insn-automata.o.
4248 (insn-automata.o): New rule.
4249 (simple_generated_c): Add insn-automata.c.
4250 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4251 (genprogmd): Add automata.
4252 (build/genattrtab): Needs no extra objects nor libraries.
4253 (build/genautomata): Needs build/vec.o and -lm.
4255 2006-01-22 Zack Weinberg <zackw@panix.com>
4257 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4258 (output_dfa_max_issue_rate, locked_states_num): Delete.
4259 (struct automaton): Add locked_states field.
4260 (output_dead_lock_vect): Save number of locked states in
4261 automaton->locked_states. If it is zero, don't print anything.
4262 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4263 (output_internal_dead_lock_func): Only test the dead_lock_vect
4264 for automata that have locked states.
4265 (output_statistics): Always print the number of locked states for
4266 each automaton. Calculate total number of locked states here.
4267 (write_automata): Don't call output_dfa_max_issue_rate.
4268 * genattrtab.c: Define length_unit_log as a const variable.
4269 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4270 max_insn_queue_index const.
4271 * final.c (length_unit_log): Declare const.
4272 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4274 2006-01-22 Zack Weinberg <zackw@panix.com>
4276 * genautomata.c: Include vec.h, not varray.h.
4277 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4278 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4279 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4280 VEC_* macros operating on appropriately typed vectors, or to
4281 malloced arrays when the size is known in advance. Const-ify
4282 many char* variables and function arguments. No functional changes.
4283 * Makefile.in (build/varray.o): Delete rule.
4284 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4285 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4287 2006-01-22 Zack Weinberg <zackw@panix.com>
4289 * gensupport.c: Define get_insn_name and record_insn_name here.
4290 (read_md_rtx): Call record_insn_name as appropriate.
4291 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4292 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4293 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4295 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4296 (BUILD_VARRAY): Delete.
4297 (genprognormal): Rename genprogmd. Fold in all programs from
4298 genprognoprint; also attrtab.
4299 (build/genattrtab): Just mention genautomata.o and varray.o.
4300 Reorganize a bit, add comments to make the categories clearer.
4302 2006-01-22 Zack Weinberg <zackw@panix.com>
4304 * genconditions.c (condition_table, add_condition): Delete.
4305 (write_conditions): Don't emit n_insn_conditions nor
4306 insn_elision_unavailable. Issue the gcc version #ifdef here,
4307 inside the table, with no #else clause ...
4308 (write_header): ...not here.
4309 (write_writer): New function.
4310 (main): Don't initialize condition_table. Use add_c_test.
4312 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4313 files on the command line.
4314 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4315 Return -1 if there is no entry in the table, don't abort.
4316 (add_c_test, traverse_c_tests): New functions.
4317 * gensupport.h (insn_elision_unavailable, insn_conditions)
4318 (n_insn_conditions): Delete declarations.
4319 (add_c_test, traverse_c_tests): Declare.
4320 * read-rtl.c: Include gensupport.h.
4321 (read_conditions): New function.
4322 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4323 (read_rtx_1): If we get EOF when we were looking for an initial
4324 open paren, return 0. Call read_conditions when appropriate.
4325 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4326 dummy-conditions.o. Eliminate references to insn-conditions.o,
4327 or change them to build/gencondmd.o, as appropriate. Remove
4328 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4329 from $(simple_generated_c). For all files remaining in those
4330 two lists, add insn-conditions.md to the generator command line.
4331 Give insn-constants.h/s-constants their own rules. Add rules
4332 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4333 (build/read-rtl.o): Depend on gensupport.h.
4334 (genprognormal): Include preds.
4335 (genprogearly): Rename genprognoprint; only difference is now that
4336 they don't link with $(BUILD_PRINT).
4337 * dummy-conditions.c: Delete.
4339 2006-01-22 Zack Weinberg <zackw@panix.com>
4341 * genextract.c: Don't include insn-config.h. Do include vec.h.
4342 Declare vectors of int, char, and locstr.
4343 (locstr): New typedef.
4344 (struct extraction): Make all array fields into bare pointers.
4345 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4346 (insn_code_number): Delete.
4347 (accum_extract): New struct.
4348 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4349 (gen_insn): Take insn_code_number as an argument. Use an
4350 accum_extract structure instead of loading data directly into
4351 a struct extraction, and having to know how big it might get.
4352 (walk_rtx): Operate entirely on an accum_extract structure.
4353 (print_path): Avoid unnecessary use of printf.
4354 (print_header): New function, split out of main. Distinguish
4355 more carefully between an unrecognizable insn and an insn that
4356 has the code number of a define_expand.
4357 (main): Pass insn_code_number to gen_insn. Call print_header
4358 only after parsing. Avoid unnecessary use of printf.
4359 * Makefile.in (build/vec.o): New rule.
4360 (build/genextract): Depend on build/vec.o.
4361 (build/genextract.o): Don't depend on insn-config.h.
4363 2006-01-22 Zack Weinberg <zackw@panix.com>
4365 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4366 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4367 practical. Eliminate per-generator-program link rules.
4369 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4372 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4373 with a call expr to ...
4374 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4376 2006-01-23 Richard Guenther <rguenther@suse.de>
4378 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4379 before make_edge with conditional EDGE_TRUE_VALUE.
4381 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4382 Jan Hubicka <jh@suse.cz>
4383 Richard Guenther <rguenther@suse.de>
4385 PR rtl-optimization/25654
4386 * cfgexpand.c (aggregate_contains_union_type): New function.
4387 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4388 for structure variables that contain a union type.
4390 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4392 * gengtype.c (new_structure): Return the structure.
4393 (create_option): Add an extra "next" argument.
4394 (create_field): New function.
4395 (adjust_field_rtx_def): Use create_option and create_field.
4396 Remove a now-unnecessary call to find_structure.
4397 (adjust_field_tree_def): Likewise.
4398 (note_yacc_type): Remove an unnecessary call to find_structure.
4399 * gengtype.h (new_structure): Return the structure.
4400 (create_option): Add an extra argument.
4401 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4402 (option): Adjust calls to create_option.
4404 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4406 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4408 2006-01-22 Paul Brook <paul@codesourcery.com>
4409 Peter Barada <peter@the-baradas.com>
4411 * config/m68k/m68k.md: Add Coldfire FPU support.
4412 Define FP mode macro and associated attributes.
4413 Use it for float mode patterns.
4414 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4415 (LIBCALL_VALUE): Use m68k_libcall_value.
4416 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4417 (m68k_function_value): Ditto.
4418 (emit_move_sequence): Ditto.
4419 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4420 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4421 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4422 (MULTILIB_EXCEPTIONS): Ditto.
4423 * config/m68k/m68k.opt: Add mcfv4e.
4424 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4425 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4426 (m68k_output_function_prologue): Save ColdFire FPU registers.
4427 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4428 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4429 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4430 ColdFire FPU registers.
4431 (m68k_libcall_value, m68k_function_value): New functions.
4432 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4433 (LIBCALL_VALUE): Use m68k_libcall_value.
4434 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4435 (MASK_COLDFIRE): Add MASK_CFV4E.
4436 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4437 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4438 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4439 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4440 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4441 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4442 * doc/invoke.tex: Document -mcfv4e on m68k.
4444 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4446 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4449 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4452 * c-opts.c (c_common_handle_option): Don't include
4453 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4454 * doc/invoke.texi (C++ Dialect Options): Document that
4455 -Wnon-virtual-dtor is no longer included in -Wall.
4457 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4459 * gcov.c (print_version), gcov-dump.c (print_version),
4460 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4463 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4465 * df-scan.c (problem_SCAN): Added NULL reset function.
4466 (df_scan_reset_blocks): Added code to call reset block function
4467 (df_bb_refs_delete) Fixed comment.
4468 (df_insn_refs_delete): Made tolerant of deleting non existent info
4469 for dataflow problems that need to be reset.
4470 * df-core.c (df_set_blocks): Ditto.
4471 * df.h (struct df_problem): Added reset_fun.
4472 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4473 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4474 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4475 functions to clear out all references to def-use or use-def chains.
4477 2006-01-21 Ben Elliston <bje@au.ibm.com>
4479 * varasm.c (assemble_real): Initialise data array.
4481 2006-01-20 Paul Brook <paul@codesourcery.com>
4483 Merge from csl-arm-branch.
4484 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4485 * config/arm/arm.md (movdi): Force operands[1] to a register
4486 if we have a non-register source.
4487 (*arm_movdi, *movdf_soft_insn): Require that one of the
4488 operands be a register.
4489 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4490 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4492 2006-01-20 DJ Delorie <dj@redhat.com>
4494 * varasm.c (initialize_constant_valid_p): Allow pointers
4495 initialized from integer constants of lesser precision.
4496 (output_constant): Allow non-int-sized pointer modes to be
4497 initialized from integer constants.
4499 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4502 * cppdefault.h (struct default_include): Add multilib flag.
4503 * cppdefault.c (cpp_include_defaults): Set it.
4504 * c.opt (-imultilib): New option.
4505 * c-opts.c (imultilib): New.
4506 (c_common_handle_option): Handle -imultilib.
4507 (c_common_post_options): Likewise.
4508 * c-incpath.c (add_standard_paths, register_include_chains):
4510 * c-incpath.h (register_include_chains): Add extra parameter.
4511 * gcc.c (do_spec_1): Generate -imultilib option.
4512 (The Specs Language): Update %I description.
4513 (process_command): Update copyright notice.
4514 * doc/cppopts.texi (-imultilib): Document.
4515 * doc/invoke.texi (-imultilib): Include in option summary.
4516 (%I): Update specs documentation.
4518 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4520 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4522 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4524 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4527 2006-01-20 Richard Guenther <rguenther@suse.de>
4528 Steven Bosscher <stevenb.gcc@gmail.com>
4530 PR rtl-optimization/24626
4531 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4532 EDGE_TRUE_VALUE if in RTL mode.
4535 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4536 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4538 2006-01-20 Dirk Mueller <dmueller@suse.com>
4541 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4542 instead of a special NOP marker.
4543 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4544 NOP marker handling.
4545 * c-common.h (empty_body_warning): Add forward declaration.
4546 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4547 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4549 2006-01-20 Paul Brook <paul@codesourcery.com>
4551 * Makefile.in (lang_checks): Keep going if mkdir fails.
4553 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4555 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4556 be able to clean out basic block when not necessary.
4557 (df_scan_free): Fixed to properly delete information if df is
4558 unused before calling df_finish.
4559 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4560 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4562 (df_bb_refs_delete): New function.
4563 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4564 * df-core.c (df_set_blocks): Added code to properly clean out
4565 unused blocks if they are not part of the blocks to consider.
4566 Added additional null check.
4567 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4568 be able to clean out basic block when not necessary
4569 * df.h (df_free_bb_function): Ditto.
4570 (df_bb_refs_delete): New function.
4571 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4572 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4573 basic block parameter to be able to clean out basic block when not
4575 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4576 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4577 Fixed to properly delete information if df is unused before
4580 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4582 PR rtl-optimization/25799
4583 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4584 Corrected confluence operator to remove bits from op2 before oring
4585 with op1 rather than removing bits from op1.
4586 (df_ru_transfer_function): Corrected test on wrong bitmap which
4587 caused infinite loop. Both of these problems were introduced in
4588 the dataflow rewrite.
4590 2006-01-19 DJ Delorie <dj@redhat.com>
4592 * reload1.c (find_reload_regs): Note the details of reload
4593 failures in the dump file.
4594 (spill_failure): Likewise.
4596 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4598 * loop-iv.c: Include df.h and hashtab.h.
4599 (enum iv_grd_result): New enum.
4600 (DF_REF_IV, DF_REF_IV_SET): New macros.
4601 (struct biv_entry): New.
4602 (df, bivs): New global variables.
4603 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4604 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4606 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4607 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4608 analyzed_for_bivness_p, record_biv): New functions.
4609 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4610 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4611 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4613 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4615 (iv_number_of_iterations): Use new interface to iv analysis.
4616 * loop-unroll.c: Do not include varray.h.
4617 (analyze_iv_to_split_insn): Use new interface to iv
4619 * loop-unswitch.c (may_unswitch_on): Ditto.
4620 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4622 (df_bb_modify): Realloc tables to the new index.
4623 (df_find_use): New function.
4624 * df.h (df_find_use): Declare.
4625 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4627 * cfgloop.h (struct rtx_iv): Remove analysed field.
4628 (iv_get_reaching_def): Removed.
4629 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4630 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4631 (loop-iv.o): Add df.h and hashtab.h dependency.
4632 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4634 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4637 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4639 (__floatundisf, __floatundidf): Likewise.
4640 * libgcc2.h (IS_IBM_EXTENDED): Define.
4642 2006-01-19 DJ Delorie <dj@redhat.com>
4644 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4646 2006-01-19 Paul Brook <paul@codesourcery.com>
4648 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4649 as nothrow when unwinding tables are disabled.
4651 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4654 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4655 of bit-field" when in system header.
4657 2006-01-19 DJ Delorie <dj@redhat.com>
4659 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4660 the 16 bit shift limit of the m16c.
4662 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4665 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4666 * config/i386/i386.c (output_set_got): Output the label if we have one
4667 for the TARGET_DEEP_BRANCH_PREDICTION case.
4669 2006-01-19 Jan Hubicka <jh@suse.cz>
4670 H.J. Lu <hongjiu.lu@intel.com>
4671 Evandro Menezes <evandro.menezes@amd.com>
4673 * invoke.texi (generic): Document
4675 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4676 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4677 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4678 (x86_use_incdec, x86_pad_returns): New variables
4679 (TARGET_CPU_DEFAULT_generic): New constant
4680 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4681 (enum processor_type): Add generic32 and generic64.
4682 * i386.md (cpu attribute): Add generic32/generic64
4683 (movhi splitter): Behave sanely when both partial_reg_dependency and
4684 partial_reg_stall are set.
4685 (K8 splitters): Enable for generic as well.
4686 * predicates.md (incdec_operand): Use TARGET_INCDEC
4687 (aligned_operand): Avoid memory mismatch stalls.
4688 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4689 * ppro.md: Enable for generic32
4690 * i386.c (generic64_cost, generic32_cost): New.
4691 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4692 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4693 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4694 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4695 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4696 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4697 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4698 x86_accumulate_outgoing_args, x86_prologue_using_move,
4699 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4700 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4702 (x86_use_incdec, x86_pad_returns): New.
4703 (override_options): Add generic32 and generic64, translate "generic"
4704 to generic32/generic64 and "i686" to "generic32", refuse
4705 "generic32"/"generic64" as arch target.
4706 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4707 (ix86_reorg): Honor PAD_RETURNS.
4709 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4711 * tree-pretty-print.c (dump_generic_node): Handle
4712 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4713 * cgraph.c (cgraph_expand_queue): Rename from
4714 cgraph_analyze_queue. Update all users.
4715 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4716 cgraph_expand_queue.
4717 (cgraph_expand_all_functions): Likewise.
4718 (cgraph_finalize_pending_functions): Remove. Update callers.
4720 * tree.h (OMP_DIRECTIVE_P): Define.
4721 (OMP_PARALLEL_FN): Define.
4722 (OMP_PARALLEL_DATA_ARG): Define.
4723 (OMP_SECTIONS_SECTIONS): Define.
4724 * tree-pass.h (pass_expand_omp): Declare.
4725 * omp-low.c (struct omp_region): Declare.
4726 (struct omp_context): Remove fields 'parallel_type',
4727 'parallel_start_ix' and 'parallel_start_additional_args'.
4729 (struct omp_for_data): Rename from struct expand_omp_for_data.
4730 (omp_regions): New static variable.
4731 (root_omp_region): New static variable.
4732 (find_omp_clause): Make static.
4733 (is_in_combined_parallel_ctx): Remove.
4734 (is_combined_parallel): New.
4735 (extract_omp_for_data): Move earlier in the file.
4736 (workshare_safe_to_combine_p): New.
4737 (get_ws_args_for): New.
4738 (determine_parallel_type): Move earlier in the file.
4739 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4741 (omp_copy_decl): Likewise.
4742 (create_omp_child_function): Likewise.
4743 (lookup_omp_region): New.
4744 (dump_omp_region): New.
4745 (debug_omp_region): New.
4746 (debug_all_omp_regions): New.
4747 (new_omp_region): New.
4748 (scan_omp_parallel): If parallel_nesting_level > 1, the
4749 directive is nested within another parallel directive.
4750 Set OMP_PARALLEL_FN.
4751 (scan_omp_for): Do not try to handle combined parallel+for
4753 Remove FIXME comment.
4754 (scan_omp_nested): Remove.
4755 (scan_omp_1): Do not call scan_omp_nested when
4756 parallel_nesting_level is > 1.
4757 Do not change the DECL_CONTEXT of local variables found.
4758 (lookup_decl_in_outer_ctx): New.
4759 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4760 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4761 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4762 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4763 If CTX is nested, lookup VAR in the outer context when
4764 building copy assignment.
4765 (lower_send_clauses): Rename from expand_send_clauses.
4766 If CTX is nested, lookup VAR in the outer context when
4767 building copy assignments.
4768 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4769 If CTX is nested, lookup VAR in the outer context when
4770 building copy assignments.
4771 (expand_parallel_call): Rename from build_parallel_call.
4772 Handle combined parallel+workshare cases.
4773 Re-implement to emit code into the CFG.
4775 (expand_omp_parallel): Re-implement to emit code into the CFG.
4776 Call move_sese_region_to_fn to outline the sub-graph
4777 containing the parallel region.
4778 (expand_omp_for_1): Remove.
4779 (expand_omp_for_generic): Re-implement to emit code into the
4781 (expand_omp_for_static_nochunk): Likewise.
4782 (expand_omp_for_static_chunk): Likewise.
4783 (expand_omp_for): Likewise.
4784 (expand_omp_sections): Likewise.
4785 (remove_exit_barriers): New.
4786 (expand_omp_synch): New.
4788 (build_omp_regions_1): New.
4789 (build_omp_regions): New.
4790 (execute_expand_omp): New.
4791 (gate_expand_omp): New.
4792 (pass_expand_omp): Define.
4793 (lower_omp_sections): Rename from expand_omp_sections.
4794 Set OMP_SECTIONS_SECTIONS.
4795 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4796 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4797 (lower_omp_single): Rename from expand_omp_simple.
4798 (lower_omp_master): Rename from expand_omp_master.
4799 (lower_omp_ordered): Rename from expand_omp_ordered.
4800 (lower_omp_critical): Rename from expand_omp_critical.
4801 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4802 (lower_omp_for): Re-implement.
4803 (lower_omp_parallel): Re-implement.
4804 (lower_regimplify): Rename from expand_regimplify.
4805 (lower_omp_1): Rename from expand_omp_1.
4806 If there are syntax errors in the program, replace every
4807 OpenMP directive with NOP.
4808 Call lower_omp_* instead of expand_omp_*.
4809 (lower_omp): Rename from expand_omp.
4811 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4812 * tree-gimple.h (enum omp_parallel_type): Remove.
4813 (gimple_boolify): Declare extern.
4814 (find_omp_clause, determine_parallel_type): Remove.
4816 * gimple-low.c (lower_omp_directive): New.
4817 (lower_stmt): Call it.
4818 (record_vars_into): Move from ...
4819 (record_vars): ... here.
4820 Call record_vars_into with current_function_decl.
4822 * gimplify.c (struct gimplify_ctx): Remove fields
4823 combined_pre_p and combined_ctxp. Update users.
4824 (get_formal_tmp_var): Add documentation.
4825 (gimple_boolify): Make extern.
4826 (gimplify_expr_in_ctx): Remove. Update callers.
4827 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4828 will always be a BIND_EXPR.
4829 (gimplify_expr): Handle OMP_RETURN_EXPR.
4830 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4831 (OMP_PARALLEL): Add 3 operands.
4832 (OMP_SECTIONS): Add 1 operand.
4833 (OMP_RETURN_EXPR): Define.
4835 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4836 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4837 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4838 creating a circular free list.
4839 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4841 * tree-flow.h (move_sese_region_to_fn): Declare.
4842 (record_vars_into): Declare.
4843 * tree-cfg.c (make_omp_sections_edges): New.
4844 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4845 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4846 OMP_SECTIONS and OMP_SECTION.
4847 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4848 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4849 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4850 (gather_blocks_in_sese_region): New.
4851 (struct move_stmt_d): Declare.
4853 (move_block_to_fn): New.
4854 (move_sese_region_to_fn): New.
4856 * passes.c (init_optimization_passes): Schedule
4857 pass_expand_omp after pass_init_datastructures.
4859 * tree-ssa-operands.c (get_expr_operands): Handle
4860 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4861 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4863 2006-01-19 Jeff Law <law@redhat.com>
4865 * tree-vrp.c (extract_range_from_assert): Refine the result range
4866 if the variable referenced by the ASSERT_EXPR has a range and
4867 either the tentative result range or the previous range is a
4870 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4872 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4874 2006-01-19 Jan Hubicka <jh@suse.cz>
4876 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4878 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4880 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4881 (expand_compound_operation, expand_field_assignment): Fail if the
4882 bit lengths of an extract operation are out of range.
4883 (make_extraction): Compute wanted_inner_mode based on the position
4884 and length of the extraction. Make it extraction_mode for non-constant
4885 positions, and do not modify offset in that case. When generating a
4886 new MEM, use a mode that can hold the extraction while keeping correct
4887 alignment. Remove code that supported MEMs wrapped by USEs.
4888 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4890 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4892 * config/s390/s390.md ("Y", "y"): New mode attribute.
4893 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4894 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4895 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4896 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4897 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4898 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4899 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4900 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4901 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4902 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4903 "addsi3", "subsi3"): Insn patterns removed.
4904 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4905 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4906 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4907 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4908 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4909 "*sub<mode>3_cconly2"): New insn patterns.
4910 ("addsi3", "subsi3"): New expanders.
4912 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4914 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4915 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4916 existing STMT_VINFO_VECTYPE if available.
4917 (vect_mark_relevant): Add special handling for stmts that are
4918 marked as STMT_VINFO_IN_PATTERN_P.
4919 (vect_analyze_loop): Call vect_pattern_recog.
4920 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4921 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4923 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4924 (vect_recog_func_ptr): New function-pointer type.
4925 * tree-vect-patterns.c: New file.
4926 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4927 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4928 (vect_pattern_recog_1): New functions.
4929 (vect_pattern_recog_funcs): New array of function pointers.
4931 * tree-vectorizer.h (ternary_op): New enum value.
4932 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4933 declaration. Revised documentation. Removed redundant dump prints.
4934 Removed redundant argument. Added support for reduction patterns.
4935 (vectorizable_reduction): Added support for reduction patterns.
4936 (vect_transform_stmt): Added support for patterns.
4938 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4939 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4940 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4941 (expand_widen_pattern_expr): New function.
4942 (init_optabs): Initialize new optabs udot_prod_optab,
4944 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4945 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4946 (expand_widen_pattern_expr): New function declaration.
4947 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4949 * tree-inline.c (estimate_num_insns_1): Added cases for new
4950 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4951 * tree-pretty-print.c (dump_generic_node): Likewise.
4952 (op_prio): Likewise.
4953 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4954 * tree-ssa-operands.c (get_expr_operands): Added case for
4956 * tree-vect-patterns.c (widened_name_p): New function.
4957 (vect_recog_dot_prod_pattern): Added function implementation.
4958 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4959 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4960 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4961 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4963 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4964 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4965 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4966 (init_optabs): Initialize new optabs widen_ssum_optab,
4968 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4969 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4970 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4971 use instead of type of def.
4972 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4973 function implementation.
4974 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4975 widen_ssumv8hi): New.
4977 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4980 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4983 * c-decl.c (add_flexible_array_elts_to_size): New function.
4984 (finish_decl): Use it.
4986 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4988 * diagnostic.h: Include options.h.
4989 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4990 dependancies for diagnostic.h.
4991 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4993 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4995 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4996 (ssa_ro_call_cache_valid): Ditto.
4997 * tree-ssa-alias.c (sort_tags_by_id): New function.
4998 (init_transitive_clobber_worklist): Ditto.
4999 (add_to_worklist): Ditto.
5000 (mark_aliases_call_clobbered): Ditto.
5001 (compute_tag_properties): Ditto.
5002 (set_initial_properties): Ditto.
5003 (compute_call_clobbered): Ditto.
5004 (compute_may_aliases): Call compute_call_clobbered and grouping.
5005 (compute_flow_sensitive_aliasing): Remove clobbering related code.
5006 (compute_flow_insensitive_aliasing): Grouping now happens in our
5008 (setup_pointers_and_addressables): Remove clobbering related code.
5009 (add_may_alias): Ditto.
5010 (replace_may_alias): Ditto.
5011 (get_nmt_for): Ditto.
5012 (create_global_var):
5013 (is_escape_site): Return an escape_type enumeration.
5014 * tree-flow-inline.h (is_call_clobbered): Global var does not
5015 imply call clobbered.
5016 (mark_call_clobbered): Take a reason for marking this. Remove
5017 marking of globalness, and cache invalidation.
5018 (clear_call_clobbered): Remove cache invalidation code.
5019 * tree-dfa.c (dump_variable): If details is on, dump the reason
5021 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5023 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5024 (struct var_ann_d): Ditto.
5025 (enum escape_type): New.
5026 (mark_call_clobbered): Adjust prototype.
5027 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5028 are never call clobbered.
5029 Record reasons for escaping.
5030 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5031 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5032 (ssa_ro_call_cache_valid): Ditto.
5033 (clobbered_v_may_defs): Ditto.
5034 (clobbered_vuses): Ditto.
5035 (ro_call_vuses): Ditto.
5036 (clobber_stats): New.
5037 (init_ssa_operands): Zero out clobber stats.
5038 (fini_ssa_operands): Print out clobber stats.
5039 (get_call_expr_operands): Pass callee fndecl to
5041 (add_call_clobber_ops): Remove use of cache.
5042 Add use of PURE_CONST information.
5043 (add_call_read_ops): Remove use of cache.
5044 Add use of static not_read information.
5046 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5048 Introduce TLS descriptors for i386 and x86_64.
5049 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5050 (TARGET_ANY_GNU_TLS): New macro.
5051 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5052 (struct machine_function): Add tls_descriptor_call_expanded_p.
5053 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5054 (ix86_current_function_calls_tls_descriptor): Likewise.
5055 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5056 (override_options): Introduce gnu2 tls dialect.
5057 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5059 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5061 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5062 (ix86_init_machine_status): Initialize new field.
5063 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5064 (ix86_tls_module_base): New.
5065 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5066 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5067 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5068 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5069 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5070 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5071 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5072 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5073 * config/i386/predicates.md (tls_modbase_operand): New.
5074 (tp_or_register_operand): New.
5076 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5078 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5079 (look_for_address_of): Ditto.
5080 (ipa_init): Walk the function decls.
5081 (static_execute): Don't set readonly on FUNCTION_DECL's.
5083 2006-01-18 Roger Sayle <roger@eyesopen.com>
5085 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5086 for shifts where the source and destination registers are different.
5088 2006-01-18 Paul Brook <paul@codesourcery.com>
5090 Merge from csl-arm-branch.
5091 2005-03-14 Julian Brown <julian@codesourcery.com>
5092 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5093 (aeabi_llsl): Likewise.
5094 (ashrdi3): Likewise.
5095 (aeabi_lasr): Likewise.
5096 (lshrdi3): Likewise.
5097 (aeabi_llsr): Likewise.
5098 2005-03-10 Julian Brown <julian@codesourcery.com>
5099 * config.gcc: Disable shared libgcc for SymbianOS.
5100 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5102 2006-01-18 DJ Delorie <dj@redhat.com>
5104 * c-pragma.c (handle_pragma_diagnostic): New.
5105 (init_pragma): Register it.
5106 * doc/extend.texi: Document it.
5108 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5109 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5110 (diagnostic_context): Add classify_diagnostic[].
5111 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5112 as errors if they're overridden to DK_WARNING.
5113 (diagnostic_initialize): Initialize classify_diagnostic[].
5114 (diagnostic_set_kind_override): New.
5115 (diagnostic_report_diagnostic): Check for kind changes.
5116 * opts.c (common_handle_option): Take lang_mask. Update callers.
5118 * common.opt (Werror=): New.
5119 * doc/invoke.texi: Document -Werror=*
5121 2006-01-18 Jeff Law <law@redhat.com>
5123 * tree-vrp.c (test_for_singularity): Correct test for new
5124 min limit. Use operand_equal_p rather than pointer equality
5125 for testing if new min/max values are equal.
5127 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5128 using range information until after propagation and folding.
5130 2006-01-18 Richard Henderson <rth@redhat.com>
5131 Aldy Hernandez <aldyh@redhat.com>
5132 Jakub Jelinek <jakub@redhat.com>
5133 Diego Novillo <dnovillo@redhat.com>
5135 * omp-low.c: New file.
5136 * c-omp.c: New file.
5138 2006-01-18 Richard Henderson <rth@redhat.com>
5139 Jakub Jelinek <jakub@redhat.com>
5140 Diego Novillo <dnovillo@redhat.com>
5142 * doc/invoke.texi: Document -fopenmp.
5143 * tree-dump.h (debug_function): Declare.
5144 * hooks.c (hook_bool_tree_bool_false): New function.
5145 (hook_tree_tree_null): Remove.
5146 (hook_tree_tree_tree_null): New.
5147 * hooks.h: Update to match.
5148 * tree-pretty-print.c (debug_tree_chain): New.
5149 (print_generic_expr): Handle TDF_CHAIN.
5150 (dump_generic_node): Handle BLOCK.
5151 Do not abort with incomplete SWITCH_EXPRs.
5152 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5153 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5154 print space after directive name.
5155 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5156 Handle OMP_MASTER and OMP_ORDERED.
5157 Handle printing of OMP_BODY just in one place, goto
5158 dump_omp_body in the rest of OMP_* nodes that have
5160 Don't handle clause nodes here. Update omp statements to
5161 use dump_omp_clauses.
5162 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5163 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5164 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5165 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5166 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5167 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5168 Adjust output for GOMP_PARALLEL.
5169 (dump_omp_clauses): New.
5170 (print_declaration): Dump DECL_VALUE_EXPR.
5171 (op_symbol_1): Split out of op_symbol.
5172 (dumping_stmts): Remove. Update all users.
5173 * cgraph.c (cgraph_analyze_queue): New.
5174 (cgraph_add_new_function): New.
5175 * cgraph.h (cgraph_analyze_queue): Declare.
5176 (cgraph_add_new_function): Declare.
5177 (cgraph_lower_function): Remove.
5178 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5179 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5180 and TYPE_P nodes in its default clause.
5181 (empty_body_p): New.
5182 (tree_range_check_failed): New.
5184 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5185 OMP_CLAUSE_REDUCTION_MERGE,
5186 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5187 OMP_CLAUSE_PRIVATE_DEBUG,
5188 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5189 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5190 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5191 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5192 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5193 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5194 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5195 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5196 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5197 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5198 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5199 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5200 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5201 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5202 (TREE_RANGE_CHECK): New.
5203 (empty_body_p): Declare.
5204 (enum omp_clause_default_kind): New.
5205 (build_string_literal): Declare.
5206 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5207 (build5_stat, build5): Declare.
5208 * tree-pass.h (TDF_CHAIN): Define.
5209 * tree-pass.h (PROP_gimple_lomp): Define.
5210 (pass_lower_omp): Declare.
5211 * diagnostic.h (debug_tree_chain): Declare.
5212 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5214 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5215 * builtins.c (build_string_literal): Make extern.
5216 * gcc.c (include_spec_function): New.
5217 (static_spec_functions): Add it.
5218 (main): Move load of libgomp.spec ...
5219 (LINK_COMMAND_SPEC): ... here.
5220 (link_gomp_spec): New.
5221 (static_specs): Include it.
5222 (LINK_COMMAND_SPEC): Add link_gomp.
5223 (GOMP_SELF_SPECS): New.
5224 (driver_self_specs): Include it.
5225 (switch_matches): Don't mark inline.
5226 (main): Load libgomp.spec.
5227 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5228 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5229 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5230 * tree-gimple.h (enum omp_parallel): Declare.
5231 (determine_parallel_type): Declare.
5232 (omp_firstprivatize_variable): Declare.
5233 (omp_reduction_init): Declare.
5234 (diagnose_omp_structured_block_errors): Declare.
5235 (struct walk_stmt_info): Add want_return_expr.
5236 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5237 (find_omp_clause): Declare.
5238 (insert_field_into_struct): Declare.
5239 (struct walk_stmt_info): Move from tree-nested.c
5240 (walk_stmts): Declare.
5241 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5243 * cgraphunit.c (cgraph_lower_function): Make static.
5244 (cgraph_finalize_pending_functions): New.
5245 (cgraph_finalize_function): Call it.
5246 (cgraph_finalize_compilation_unit): Likewise.
5247 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5248 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5249 (BT_FN_UINT_UINT): New.
5250 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5251 DEF_FUNCTION_TYPE_VAR_4): Document.
5252 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5253 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5254 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5255 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5256 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5257 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5258 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5259 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5260 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5261 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5262 into separate files.
5263 (DEF_GOMP_BUILTIN): New.
5264 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5265 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5266 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5267 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5268 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5269 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5270 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5271 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5272 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5273 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5274 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5275 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5276 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5277 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5278 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5279 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5280 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5281 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5282 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5283 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5284 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5285 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5286 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5287 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5288 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5289 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5290 * sync-builtins.def: New file, moved from builtins.def.
5291 * omp-builtins.def: New file, moved from builtins.def.
5292 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5293 * gimple-low.c (lower_function_body): Clear data.
5294 (lower_stmt): Do not handle COMPOUND_EXPR.
5295 Remove call to print_node_brief.
5296 * c-tree.h (c_finish_omp_clauses): New prototype.
5297 (C_DECL_THREADPRIVATE_P): Define.
5298 (lookup_name_no_remap, c_omp_remap_private): Remove
5299 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5300 (check_for_loop_decls): Update decl.
5301 (lookup_name_no_remap, c_omp_remap_private): Declare.
5302 (build_indirect_ref, build_modify_expr, pushdecl,
5303 pushdecl_top_level): Move to c-common.h.
5304 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5305 before the switch, but just in the 2 places that need it.
5306 * c-decl.c (diagnose_mismatched_decls): Do not check for
5307 mismatched thread-local attributes when OLDDECL is marked
5308 threadprivate and NEWDECL has no thread-local attributes.
5309 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5310 (c_gimple_diagnostics_recursively): Rename from
5311 c_warn_unused_result_recursively. Invoke
5312 diagnose_omp_structured_block_errors.
5313 (check_for_loop_decls): Return a singular decl found.
5314 * langhooks.c (lhd_omp_predetermined_sharing): Return
5315 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5316 (lhd_omp_firstprivatize_type_sizes): New.
5317 (lhd_omp_assignment): New.
5318 (lhd_omp_predetermined_sharing): New.
5319 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5320 (struct lang_hooks_for_types): Add
5321 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5322 omp_predetermined_sharing, omp_disregard_value_expr,
5323 omp_private_debug_clause, omp_clause_default_ctor,
5324 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5325 (c_finish_omp_clauses): New.
5326 (c_finish_bc_stmt): Diagnose break within omp for.
5327 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5328 (build_unary_op): Return error_mark after reporting
5330 (build_modify_expr): Likewise.
5331 * gimplify.c: Include optabs.h and pointer-set.h.
5332 (enum gimplify_omp_var_data): Declare.
5333 (struct gimplify_omp_ctx): Declare.
5334 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5336 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5337 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5338 (splay_tree_compare_decl_uid): New.
5339 (new_omp_context): New.
5340 (delete_omp_context): New.
5341 (gimple_add_tmp_var): Call omp_add_variable.
5342 (gimplify_bind_expr): Likewise.
5343 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5344 true, disregard DECL_VALUE_EXPR on the decl if any.
5345 (gimplify_expr_in_ctx): New.
5346 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5347 omp_add_variable, omp_notice_variable, omp_is_private
5348 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5349 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5350 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5351 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5352 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5353 gimplify_omp_atomic): New.
5354 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5355 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5356 OMP_CRITICAL and OMP_ATOMIC.
5357 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5358 * c-pragma.h (enum pragma_kind): Add
5359 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5360 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5361 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5362 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5363 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5364 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5365 PRAGMA_OMP_THREADPRIVATE.
5366 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5367 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5368 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5369 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5370 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5371 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5372 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5373 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5374 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5375 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5376 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5377 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5378 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5380 (struct nesting_info): Add field_map,
5381 suppress_expansion, debug_var_chain.
5382 (create_nesting_tree): Initialize them.
5383 (lookup_field_for_decl): Use field_map.
5384 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5385 (convert_local_omp_clauses): New.
5386 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5387 (walk_body): Split out of walk_function.
5388 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5389 (convert_nonlocal_reference): Handle omp statements.
5390 (convert_local_reference): Likewise.
5391 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5392 (unnest_nesting_tree): New.
5393 (lower_nested_functions): Call it.
5394 (insert_field_into_struct): Make extern.
5395 (struct walk_stmt_info): Move to tree-gimple.h.
5396 (walk_stmts): Make extern.
5397 * omp-builtins.def: New file.
5398 * tree-iterator.c (expr_only): Clarify comment.
5399 * c-common.h (pushdecl_top_level, pushdecl,
5400 build_modify_expr, build_indirect_ref,
5401 c_finish_omp_master, c_finish_omp_critical,
5402 c_finish_omp_ordered, c_finish_omp_barrier,
5403 c_finish_omp_atomic, c_finish_omp_flush,
5404 c_finish_omp_for, c_split_parallel_clauses,
5405 omp_clause_default_kind, c_omp_sharing_predetermined,
5406 c_omp_remap_decl): Declare.
5407 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5408 (OBJS-common): Add omp-low.o.
5409 (c-omp.o, omp-low.o): Add.
5410 (gimplify.o): Add dependency on $(OPTABS_H).
5411 (GTFILES): Add omp-low.c.
5412 (gt-stringpool.h): Add.
5413 * tree-cfg.c (set_bb_for_stmt): Do not update the
5414 block-to-labels map if we are currently expanding to RTL.
5415 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5417 Handle IDENTIFIER_NODE.
5418 (tree_verify_flow_info): Do not ICE when emitting error
5419 messages about invalid labels.
5420 (dump_function_to_file): Reset CFUN before emitting the body
5422 (debug_function): New.
5423 * passes.c (init_optimization_passes): Schedule
5425 * langhooks-def.h (lhd_omp_predetermined_sharing,
5426 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5428 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5429 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5430 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5431 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5432 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5433 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5434 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5435 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5436 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5437 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5438 (LANG_HOOK_DECLS): Use them.
5440 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5441 Richard Henderson <rth@redhat.com>
5442 Jakub Jelinek <jakub@redhat.com>
5443 Diego Novillo <dnovillo@redhat.com>
5445 * c-parser.c (pragma_omp_clause): Define.
5446 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5447 (c_parser_compound_statement): Likewise.
5448 (c_parser_statement): Likewise.
5449 (c_parser_pragma): Handle omp pragmas.
5450 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5451 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5452 (c_parser_omp_clause_name, check_no_duplicate_clause,
5453 c_parser_omp_variable_list,
5454 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5455 c_parser_omp_clause_copyprivate,
5456 c_parser_omp_clause_default,
5457 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5458 c_parser_omp_clause_lastprivate,
5459 c_parser_omp_clause_nowait,
5460 c_parser_omp_clause_num_threads,
5461 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5462 c_parser_omp_clause_reduction,
5463 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5464 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5465 c_parser_omp_atomic, c_parser_omp_barrier,
5466 c_parser_omp_critical, c_parser_omp_flush,
5467 c_parser_omp_for_loop, c_parser_omp_for,
5468 c_parser_omp_master, c_parser_omp_ordered,
5469 c_parser_omp_sections_scope, c_parser_omp_sections,
5470 c_parser_omp_parallel, c_parser_omp_single,
5471 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5472 * c-pragma.c (init_pragma): Do omp pragma registration here.
5473 * c.opt (fopenmp): New flag.
5475 2006-01-18 Eric Christopher <echristo@apple.com>
5477 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5478 * config/darwin.h (GOMP_SELF_SPECS): Define.
5480 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5482 * rtl.h: Remove the prototype for reg_alloc.
5484 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5487 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5488 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5489 sjlj and dwarf2 exception handling.
5490 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5491 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5492 * pa/pa.c (function_value): Treat complex and vector types as
5494 (function_arg): Likewise. Only pass scalar floats in the floating
5495 point argument registers.
5496 * pa/t-slibgcc-dwarf-ver: New file.
5497 * pa/t-slibgcc-sjlj-ver: New file.
5498 * pa/t-slibgcc-elf-ver: Delete file.
5500 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5502 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5503 unlikely_test_section_p test.
5505 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5507 * mode-switching.c (optimize_mode_switching): Make it static.
5508 * basic-block.h: Remove the prototype for
5509 optimize_mode_switching.
5511 * modulo-sched.c (sms_schedule): Make it static.
5512 * rtl.h: Remove the prototype for sms_schedule.
5514 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5515 * rtl.h: Remove the prototype for gcse_after_reload_main.
5517 * reg-stack.c (reg_to_stack): Make it static.
5518 * rtl.h: Remove the prototype for reg_to_stack.
5520 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5522 * rtl.h: Remove the prototypes for regrename_optimize and
5523 copyprop_hardreg_forward.
5525 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5527 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5528 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5529 Test against the appropriate null constant for the mode.
5530 If 'fixup_overlap' is true, swap the operands if they overlap.
5531 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5532 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5533 alpha_split_tmode_pair and adjust for above change.
5534 * config/alpha/alpha.md (movtf_internal): Adjust call to
5535 alpha_split_tfmode_pair and rely on it to swap the operands.
5536 (movti_internal): New insn and post-reload splitter.
5537 (movti): New expander.
5539 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5541 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5544 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5546 * rtlanal.c (global_reg_mentioned_p_1,
5547 global_reg_mentioned_p): Remove.
5548 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5550 * flow.c (initialize_uninitialized_subregs): Make it static.
5551 * rtl.h: Remove the prototype for
5552 initialize_uninitialized_subregs.
5554 * function.c (instantiate_virtual_regs): Make it static.
5555 * function.h: Remove the prototype for
5556 instantiate_virtual_regs.
5558 * regmove.c (regmove_optimize, combine_stack_adjustments):
5560 * rtl.h: Remove the prototypes for regmove_optimize and
5561 combine_stack_adjustments.
5563 2006-01-17 Roger Sayle <roger@eyesopen.com>
5565 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5566 (size_cost): Encode costs in bytes so that a reg-reg addition is
5567 equivalent to COSTS_N_INSNS(1).
5568 (override_options): Use the size_cost.branch_cost as the default
5569 ix86_branch_cost when optimizing for size.
5571 2006-01-18 Ben Elliston <bje@au.ibm.com>
5573 * Makefile.in (D32PBIT_FUNCS): New.
5574 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5575 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5576 D64PBIT_FUNCS and D128PBIT_FUNCS.
5577 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5578 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5580 (decnumber_dep): Define.
5581 * doc/libgcc.texi (Decimal float library routines): New node.
5582 * config/dfp-bit.h, config/dfp-bit.c: New files.
5584 2006-01-18 Ben Elliston <bje@au.ibm.com>
5586 * expr.c (emit_move_change_mode): Always adjust addresses, not
5587 just during reload. Copy replacements only during reload.
5588 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5589 emit_move_via_integer.
5591 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5593 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5594 instead of $(srcdir) and ${srcdir}.
5596 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5600 * arm.h (struct machine_function): Add pic_reg.
5601 * arm.c (arm_pic_register): Make unsigned.
5602 (arm_override_options): Only set arm_pic_register if
5603 TARGET_SINGLE_PIC_BASE.
5604 (use_return_insn): Only test for a pic register if it is fixed.
5605 (arm_compute_save_reg0_reg12_mask): Likewise.
5606 (thumb_compute_save_reg_mask): Likewise.
5607 (legitimate_pic_operand): Factor out some known invariants.
5608 (legitimize_pic_address): If we don't have a fixed pic register,
5609 then set up a pseudo in the function entry sequence. Handle the
5610 pic base being in a pseudo.
5611 (arm_load_pic_register): Handle the pic register being in a pseudo.
5612 (arm_expand_prologue): Only set up the pic register if it is fixed.
5613 (thumb_expand_prologue): Likewise.
5614 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5615 (pic_load_addr_based_insn): Likewise.
5616 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5619 2006-01-18 Ben Elliston <bje@au.ibm.com>
5621 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5622 decimal float modes for all floating point registers.
5624 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5625 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5627 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5630 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5631 even when the pointer is not NULL.
5633 2006-01-16 Ian Lance Taylor <ian@airs.com>
5635 * common.opt (ftoplevel-reorder): New option.
5636 * cgraph.c (cgraph_asm_nodes): New global variable.
5637 (cgraph_asm_last_node): New static variable.
5638 (cgraph_order): New global variable.
5639 (cgraph_create_node): Set new order field.
5640 (cgraph_varpool_node): Likewise.
5641 (decide_is_variable_needed): Return true if not
5642 flag_toplevel_reorder.
5643 (cgraph_add_asm_node): New function.
5644 * cgraph.h (struct cgraph_node): Add order field.
5645 (struct cgraph_varpool_node): Add order field.
5646 (struct cgraph_asm_node): Define.
5647 (cgraph_asm_nodes, cgraph_order): Declare.
5648 (cgraph_add_asm_node): Declare.
5649 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5651 (cgraph_varpool_assemble_pending_decls): Call it.
5652 (cgraph_output_pending_asms): New static function.
5653 (cgraph_finalize_compilation_unit): Call it.
5654 (struct cgraph_order_sort): Define.
5655 (cgraph_output_in_order): New static function.
5656 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5657 !flag_toplevel_reorder case.
5658 * c-parser.c: Include "cgraph.h".
5659 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5661 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5662 than -fno-unit-at-a-time.
5663 * doc/invoke.texi (Option Summary): Mention
5664 -fno-toplevel-reorder.
5665 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5666 -funit-at-a-time documentation.
5668 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5669 Kazu Hirata <kazu@codesourcery.com>
5671 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5673 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5675 * Makefile.in (FUNCTION_H): New. Use it instead of
5676 function.h throughout the file.
5677 * function.h: Include tree.h.
5679 2006-01-17 Ben Elliston <bje@au.ibm.com>
5681 * recog.c: Separate some functions with whitespace.
5683 2006-01-16 Richard Henderson <rth@redhat.com>
5685 Merge from gomp branch:
5686 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5687 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5688 and rename from struct inline_data. Rename callee* to dst*;
5689 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5690 transform_new_cfg, transform_return_to_modify, and
5691 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5693 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5694 (copy_decl_for_dup): Remove.
5695 * tree-inline.c (struct inline_data): Move to header.
5696 (insert_decl_map): Export.
5697 (remap_decl): Update for member name changes. Use copy_decl hook.
5698 Allow for replacement to be a non-decl. Remove dead code.
5699 (remap_type_1): Check for existing mapping.
5700 (remap_type): Export.
5701 (remap_decls): Update for member name changes.
5702 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5703 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5704 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5705 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5706 (tree_function_versioning, build_duplicate_type): Likewise.
5707 (copy_body_r): Likewise. Export.
5708 (copy_decl_for_dup): Split into ...
5709 (copy_decl_for_dup_finish, copy_decl_to_var,
5710 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5711 (replace_ref_tree, inlining_p): Remove.
5713 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5715 * ifcvt.c (if_convert): Make it static.
5716 * rtl.h: Remove the prototype for if_convert.
5718 * local-alloc.c (local_alloc): Make it static.
5719 * rtl.h: Remove the prototype for local_alloc.
5721 * loop.c (loop_optimize): Make it static.
5722 * cfgloop.h: Remove the prototype for loop_optimize.
5725 2006-01-16 DJ Delorie <dj@redhat.com>
5727 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5730 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5732 * pa.md: Disparage copies between general and floating-point registers
5733 in 32-bit move patterns.
5735 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5738 * Makefile.in (check-%): Depend on site.exp instead of
5739 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5742 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5744 * global.c (global_alloc): Make it static.
5745 * rtl.h: Remove the prototype for global_alloc.
5747 2006-01-16 Richard Guenther <rguenther@suse.de>
5749 * tree-ssa-alias.c (struct used_part): Add write_only field.
5750 (get_or_create_used_part_for): Initialize it to true.
5751 (create_overlap_variables_for): Don't create structure variables
5752 for structures that only are written to.
5753 (find_used_portions): Handle MODIFY_EXPR to track whether a
5754 structure is only written to.
5756 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5758 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5760 * basic-block.h: Remove the prototype for
5761 partition_hot_cold_basic_blocks.
5763 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5765 * cppspec.c (lang_specific_spec_functions): Remove.
5766 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5767 * gcc.h (lang_specific_spec_functions): Remove.
5768 * gccspec.c (lang_specific_spec_functions): Remove.
5770 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5772 * combine.c (record_value_for_reg): Invalidate registers
5774 (record_dead_and_set_regs_1): Likewise, by passing them to
5775 record_value_for_reg.
5776 (record_dead_and_set_regs): Invalidate stores made by a
5777 call. We do not combine across a call, but we still
5778 relied on equivalences.
5780 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5782 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5783 vrp_int_const_binop returning non-constant nodes.
5785 2006-01-16 Paul Brook <paul@codesourcery.com>
5787 * config/m68k/m68k.c (output_move_const_into_data_reg):
5788 Output correct mnemonic for mvz and mvs.
5790 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5792 * rtl-factoring.c: Add sequence abstraction algorithm.
5793 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5794 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5796 (block_has_preserve_label): New function.
5797 * common.opt: Register new pass.
5798 * Makefile.in: Ditto.
5800 * timevar.def: Ditto.
5801 * tree-pass.h: Ditto.
5802 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5803 * rtl.h (make_jump_insn_raw): Add forward decl.
5804 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5806 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5807 Roger Sayle <roger@eyesopen.com>
5809 * fold-const.c (fold_minmax): New static function.
5810 (fold_binary) <MIN_EXPR>: Call it.
5811 <MAX_EXPR>: Likewise.
5812 * stor-layout.c (place_field): Use DECL_SIZE consistently
5813 in the computation of the new record size.
5815 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5817 * cse.c (cse_condition_code_reg): Make it static.
5818 * rtl.h: Remove the prototype for cse_condition_code_reg.
5820 * combine.c (combine_instructions): Make it static.
5821 * rtl.h: Remove the prototype for combine_instructions.
5823 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5826 * tree.c (get_file_function_name_long): Concatenate the first global
5827 object name with a string derived from the input filename of the object
5830 2006-01-16 Ben Elliston <bje@au.ibm.com>
5832 * config/i386/winnt-stubs.c: Update FSF address.
5833 * config/xtensa/ieee754-df.S: Ditto.
5834 * config/xtensa/ieee754-sf.S: Ditto.
5836 2006-01-14 Ian Lance Taylor <ian@airs.com>
5838 * ifcvt.c (noce_init_if_info): New static function, broken out of
5839 noce_process_if_block.
5840 (noce_process_if_block): Call noce_init_if_info.
5841 (check_cond_move_block): New static function.
5842 (cond_move_process_if_block): New static function.
5843 (process_if_block): Call cond_move_process_if_block.
5845 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5847 * cselib.c (hash_table): Rename to cselib_hash_table.
5848 (cselib_clear_table, discard_useless_values,
5849 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5850 cselib_init, cselib_finish): Adjust uses of hash_table.
5852 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5854 PR tree-optimization/25485
5855 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5856 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5857 is known to be false and true, respectively.
5859 2006-01-14 Richard Guenther <rguenther@suse.de>
5861 PR tree-optimization/22548
5862 PR tree-optimization/22555
5863 PR tree-optimization/22501
5864 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5865 * params.def (salias-max-array-elements): New parameter.
5866 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5867 * doc/invoke.texi (salias-max-array-elements): Document.
5868 * tree-flow-inline.h (var_can_have_subvars): We also handle
5870 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5872 * tree-ssa-structalias.c (params.h): Include.
5873 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5874 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5875 (get_constraint_for): For ADDR_EXPR operating on something
5876 containing an ARRAY_REF, add all subvars to the solution.
5877 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5878 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5879 for creating MUST_DEFs.
5880 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5882 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5884 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5886 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5887 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5888 number_of_iterations_le): New functions.
5889 (number_of_iterations_special): Removed.
5890 (number_of_iterations_exit): Do not use number_of_iterations_special.
5891 * tree.c (unsigned_type_for): Always return integer type.
5893 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5894 Richard Guenther <rguenther@suse.de>
5896 PR rtl-optimization/24257
5897 * gcse.c (find_moveable_store): Only consider a store movable
5898 when the SET_SRC of the insn can be assigned to a register.
5900 2006-01-14 Ian Lance Taylor <ian@airs.com>
5902 * tree.c (tree_not_class_check_failed): New function.
5903 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5904 (tree_not_class_check_failed): Declare.
5906 2006-01-13 Ian Lance Taylor <ian@airs.com>
5908 * reload1.c (do_output_reload): Add assertion rejecting a
5911 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5913 * combine.c (struct reg_stat): Add new fields truncation_label and
5915 (record_value_for_reg): Reset truncated_to_mode.
5916 (record_truncated_value): New function.
5917 (check_promoted_subreg): Call it. Rename to check_conversions.
5918 (combine_instructions): Rename check_promoted_subreg to
5920 (reg_truncated_to_mode): New function.
5921 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5922 (gen_lowpart_or_truncate): New function.
5923 (force_to_mode): Use it instead of gen_lowpart.
5925 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5927 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5928 VAR is a tag, not its type tag.
5930 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5932 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5933 alternatives to match style of other entries.
5934 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5936 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5938 PR tree-optimization/25771
5939 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5942 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5945 * tree-inline.c (declare_return_variable): If the return variable
5946 was marked as a non gimple complex, set the return slot variable
5947 to be a non gimple comple variable.
5949 2006-01-13 Richard Guenther <rguenther@suse.de>
5951 * builtins.c (expand_builtin_sincos): New function.
5952 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5954 (expand_builtin): Expand sincos using expand_builtin_sincos.
5956 2006-01-12 DJ Delorie <dj@redhat.com>
5958 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5959 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5960 so that constant shifts can be split.
5961 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5962 (m32c_valid_pointer_mode): Make static.
5963 (shift_gen_func_for): New.
5964 (m32c_prepare_shift): Use it. Split large const shifts into
5966 * config/m32c/predicates.md (shiftcount_operand): Allow more
5968 (longshiftcount_operand): New.
5969 * doc/md.texi (Machine Constraints): Document In6.
5971 2006-01-13 Ben Elliston <bje@au.ibm.com>
5973 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5974 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5977 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5979 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5980 to try to avoid clobbering pieces of structures when we know
5981 something about the whole structure.
5982 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5984 2006-01-13 Ben Elliston <bje@au.ibm.com>
5986 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5987 return in memory, as this is no limitation is no longer present.
5989 2006-01-12 DJ Delorie <dj@redhat.com>
5991 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5992 mova with fb, and for fb+0 -> An.
5994 * config/m32c/mov.md (peephole2): Fix enabling logic.
5996 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5997 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5998 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5999 FINI_ARRAY_SECTION_ASM_OP): Define.
6001 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
6003 (m32c_legitimize_reload_address): New logic to reload FB to An.
6004 (m32c_output_reg_push): Add newline.
6005 (m32c_output_reg_pop): Likewise.
6007 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
6009 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
6011 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6013 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6015 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6017 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6020 2006-01-11 Ben Elliston <bje@au.ibm.com>
6022 * rtlanal.c (find_reg_note): Assert insn is not null.
6024 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6026 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6029 2006-01-11 Jeff Law <law@redhat.com>
6031 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6033 (mark_threaded_blocks, register_jump_thread): New functions.
6034 (thread_through_all_blocks): Remove unwanted argument. No
6035 longer rely on e->aux to communicate thread target info.
6036 Call mark_threaded_blocks. Release the threaded_blocks
6037 bitmap and threaded_edges vector when complete.
6038 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6039 (threaded_blocks): Remove.
6040 (tree_ssa_dominator_optimize): Remove initialization and
6041 finalization of threaded_blocks. Simplify call to
6042 thread_through_all_blocks.
6043 (thread_across_edge): Call register_jump_thread rather than
6044 storing thread information into e->aux.
6045 (free_all_edge_infos): Simplify now that e->aux is no longer
6046 used to communicate with thread_through_all_blocks.
6047 * tree-flow.h (thread_through_all_blocks): Update prototype.
6048 (register_jump_thread): Prototype.
6050 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6052 * df-core.c (df_compact_blocks, df_bb_replace): Use
6053 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6055 2006-01-11 Richard Guenther <rguenther@suse.de>
6057 PR tree-optimization/25734
6058 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6059 stop propagation after successful propagation to the LHS.
6061 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6063 * basic-block.h (control_flow_graph): Change the type of
6064 x_basic_block_info to VEC(basic_block,gc) *.
6065 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6067 (SET_BASIC_BLOCK): New.
6068 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6069 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6070 * cfgbuild.c (find_basic_blocks): Likewise.
6071 * cfglayout.c (fixup_reorder_chain): Likewise.
6072 * cfgrtl.c (create_basic_block_structure,
6073 rtl_create_basic_block): Likewise.
6074 * ifcvt.c (find_if_case_1): Likewise.
6075 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6078 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6080 * Makefile.in: Removed rotted odf.c entry.
6082 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6085 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6086 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6087 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6088 output pattern modifier, not %e.
6089 * config/cris/cris.c (cris_op_str): Update comment about pattern
6091 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6092 before falling through into...
6093 <case 'E'>: Redefined from old 'e' case.
6095 2006-01-11 Jan Hubicka <jh@suse.cz>
6098 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6100 2006-01-11 Jan Hubicka <jh@suse.cz>
6102 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6103 * i386.c (x86_decompose_lea): Kill.
6104 (ix86_rtx_costs): Kill.
6106 2006-01-11 Jan Hubicka <jh@suse.cz>
6108 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6109 * cgraph.h (cgraph_node): Add inline_decl.
6110 (cgraph_insert_node_to_hashtable): Declare.
6111 (save_inline_function_body): Declare.
6112 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6114 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6115 (cgraph_function_versioning): Update call of tree_function_versioning.
6116 (save_inline_function_body): New function.
6117 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6118 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6119 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6120 (cgraph_default_inline_p): Likewise.
6121 (cgraph_decide_inlining_incrementally): Likewise.
6122 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6123 (copy_bb): Kill saving; do updating of clones.
6124 (copy_cfg_body): Kill saving.
6125 (initialize_inlined-parameters): Likewise.
6126 (expand_call_inline): Likewise.
6128 (tree_function_versioning): New parameter "update_clones".
6129 (inlining_p): Kill saving.
6130 * tree-inline.h (tree_function_versioning): Update prototype.
6131 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6134 2006-01-11 Ian Lance Taylor <ian@airs.com>
6136 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6137 Allow undoing set of machine mode.
6138 (do_SUBST): Use enums instead of is_int.
6139 (do_SUBST_MODE): New function.
6140 (SUBST_MODE): New macro.
6141 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6142 reg and trying to replace reg_regno_rtx with a new register.
6143 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6144 (simplify_set): Use SUBST_MODE.
6145 (distribute_notes): Remove code that tried to update reg notes
6146 for regno_reg_rtx changes.
6148 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6150 PR tree-optimization/23109
6151 PR tree-optimization/23948
6152 PR tree-optimization/24123
6154 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6155 * tree-cfg.c (single_noncomplex_succ): New.
6156 * tree-flow.h (single_noncomplex_succ): Declare it.
6157 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6158 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6159 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6160 insert_bb, register_division_in, insert_reciprocals,
6161 replace_reciprocal, free_bb): New.
6162 (execute_cse_reciprocals_1): Rewritten.
6163 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6164 Do not commit any edge insertion. Always compute dominators and
6165 create the allocation pool.
6166 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6167 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6168 * targhooks.c (default_min_divistions_for_recip_mul): New.
6169 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6170 * passes.c (init_optimization_passes): Run recip after tree loop
6172 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6174 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6175 Kenneth Zadeck <zadeck@naturalbridge.com>
6177 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6178 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6179 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6180 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6181 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6182 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6183 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6184 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6185 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6186 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6187 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6188 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6189 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6190 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6191 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6192 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6193 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6194 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6195 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6196 DF_SCAN_POST_ALLOC): New macros.
6197 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6198 df_free_bb_function, df_local_compute_function, df_init_function,
6199 df_dataflow_function, df_confluence_function_0,
6200 df_confluence_function_n, df_transfer_function,
6201 df_finalizer_function, df_free_function, df_dump_problem_function,
6202 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6203 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6204 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6205 df_urec_bb_info, ) New types.
6206 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6208 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6209 df_analyze_simple_change_some_blocks,
6210 df_analyze_simple_change_one_block, df_compact_blocks,
6211 df_bb_replace, df_bb_regno_last_use_find,
6212 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6213 df_insn_regno_def_p, df_find_def, df_find_use,
6214 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6215 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6216 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6217 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6218 debug_df_chain, df_get_dependent_problem, df_chain_create,
6219 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6220 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6221 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6222 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6223 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6224 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6225 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6226 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6227 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6228 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6229 df_reorganize_refs, df_set_state, df_hard_reg_init,
6230 df_read_modify_subreg_p) New public functions.
6231 * df-core.c: The core dataflow solver and glue routines for rtl
6233 (df_init, df_add_problem, df_set_blocks, df_finish,
6234 df_hybrid_search_forward, df_hybrid_search_backward,
6235 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6236 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6237 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6238 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6239 df_reg_defined, df_find_use, df_reg_used, df_dump,
6240 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6241 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6242 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6243 debug_df_useno, reset_df_after_reload): New functions.
6244 * df-scan.c: The scanning fuctions, once in df.c, completely
6245 rewritten so that they now fully model the functionality of
6246 register usage at the backend.
6247 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6248 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6249 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6250 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6251 df_get_artificial_defs, df_get_artificial_uses,
6252 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6253 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6254 df_refs_delete, df_reorganize_refs, df_set_state,
6255 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6256 df_def_record_1, df_defs_record, df_uses_record,
6257 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6258 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6259 df_record_exit_block_uses, df_hard_reg_init): New functions.
6261 * df-problems.c: Seven concrete dataflow problems that use the
6262 scanning in df-scan.c and are solved by the engine in df-core.c.
6263 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6264 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6265 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6266 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6267 df_ru_free_bb_info, df_ru_alloc,
6268 df_ru_bb_local_compute_process_def,
6269 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6270 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6271 df_ru_transfer_function, df_ru_free, df_ru_dump,
6272 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6273 df_rd_free_bb_info, df_rd_alloc,
6274 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6275 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6276 df_rd_transfer_function, df_rd_free, df_rd_dump,
6277 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6278 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6279 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6280 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6281 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6282 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6283 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6284 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6285 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6286 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6287 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6288 df_urec_mark_reg_use_for_earlyclobber,
6289 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6290 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6291 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6292 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6293 df_chain_create_bb_process_use, df_chain_create_bb,
6294 df_chain_finalize, df_chain_free, df_chains_dump,
6295 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6296 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6297 df_reg_lifetime): New functions.
6298 * df.c: Deleted file.
6299 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6300 consistent with new df api.
6301 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6302 rest_of_handle_sms): Ditto.
6303 * web.c (unionfind_union, union_defs, entry_register, web_main):
6305 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6306 invariant_expr_equal_p, find_defs, check_dependencies,
6307 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6308 free_inv_motion_data, move_loop_invariants): Ditto.
6309 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6310 Update dependencies.
6311 (odf.c): Added defective entry that was deleted later in day.
6312 * sched-deps.c (sched_analyze_1): Ditto.
6314 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6316 * tree-ssa-operands.c (get_expr_operands): Record addressable
6317 variables directly. Do not call add_stmt_operands for CONST_DECLs
6319 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6320 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6322 2006-01-11 Ben Elliston <bje@au.ibm.com>
6324 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6325 function returns true in the positive case.
6327 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6330 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6331 for SI, DI, SF and DF modes. Add alternatives to copy between
6332 general and floating point registers to the 32-bit patterns.
6333 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6334 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6335 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6336 generating 64-bit code.
6337 * config/pa/pa.c (output_move_double): Handle copies between general
6338 and floating registers.
6340 2006-01-10 Stuart Hastings <stuart@apple.com>
6342 * config/i386/i386.md (set_got): Update.
6343 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6344 (builtin_setjmp_receiver): Mach-O support.
6345 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6346 (GOT_SYMBOL_NAME): Define.
6347 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6348 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6349 * config/i386/i386.c (override_options): Revise for Darwin.
6350 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6351 support. (darwin_x86_file_end): New. (output_set_got): Add label
6352 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6353 * config/i386/i386-protos.h (output_set_got): Likewise.
6354 * config/darwin.c (machopic_legitimize_pic_address): Update
6357 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6359 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6360 when MODE isn't BLKmode.
6362 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6364 PR rtl-optimization/25367
6365 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6367 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6370 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6371 for a negative bound.
6373 2006-01-10 Richard Guenther <rguenther@suse.de>
6375 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6376 Never override with anything constraint.
6378 2006-01-10 Jan Beulich <jbeulich@novell.com>
6380 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6381 256 bits when optimize_size.
6383 2006-01-10 Jan Beulich <jbeulich@novell.com>
6385 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6387 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6388 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6391 2006-01-10 Ben Elliston <bje@au.ibm.com>
6393 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6395 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6396 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6397 (USE_FP_FOR_ARG): Reject decimal float modes.
6398 (function_arg_advance): Likewise.
6399 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6400 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6401 point types in AltiVec vectors.
6402 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6403 (rs6000_libcall_value): Likewise.
6405 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6407 * config/xtensa/ieee754-df.S: New file.
6408 * config/xtensa/ieee754-sf.S: New file.
6409 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6410 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6411 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6413 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6415 * config/sh/predicates.md (binary_float_operator,
6416 binary_logical_operator, commutative_float_operator,
6417 equality_comparison_operator, greater_comparison_operator,
6418 less_comparison_operator, logical_operator,
6419 noncommutative_float_operator, shift_operator,
6420 symbol_ref_operand, unary_float_operator): Remove redundant
6423 2006-01-09 Jeff Law <law@redhat.com>
6425 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6426 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6427 now unused arguments. Callers updated.
6428 (eliminate_redundant_computations): Remove now unused arguments,
6430 (local_fold): Remove, no longer used.
6431 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6433 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6434 (simplify_cond): New function.
6435 (forward_propagate_into_cond): Call simplify_cond.
6437 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6439 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6440 (*vec_extractv2di_1_sse): New.
6442 2006-01-09 Ben Elliston <bje@au.ibm.com>
6444 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6446 2006-01-08 Richard Guenther <rguenther@suse.de>
6448 * tree-ssa-structalias.c (get_constraint_for): Remove
6450 (get_constraint_for_component_ref): Likewise.
6451 (do_deref): Likewise.
6452 (get_constraint_for): Likewise.
6453 (do_structure_copy): Likewise.
6454 (handle_ptr_arith): Likewise.
6455 (find_func_aliases): Likewise. Remove unused need_anyoffset
6458 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6459 Kaz Kojima <kkojima@gcc.gnu.org>
6461 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6462 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6463 (EXTRA_CONSTRAINT_C16): Remove.
6464 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6465 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6466 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6467 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6468 constants of SHmedia. Handle nested constant expressions of
6470 (andcosts): Fix the costs for SHmedia constants.
6471 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6472 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6473 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6474 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6475 (movv4hi_i, movv2si_i): Likewise.
6476 (movsi_const): Adjust the second operand of ior so to match with
6478 (movdi_const, movdi_const_32bit): Likewise.
6479 (movdi_const_16bit+1): Don't sign-extend LOW.
6480 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6482 (*double_shori): Fix the split condition. Use GEN_INT instead
6483 of get_int_mode calls. Mask lower 16-bit of the argument of
6485 (sym2GOTPLT): Remove.
6486 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6488 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6489 instead of EXTRA_CONSTRAINT_C16.
6491 2006-01-07 Ian Lance Taylor <ian@airs.com>
6492 David Edelsohn <edelsohn@gnu.org>
6494 PR rtl-optimization/25662
6495 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6496 for constant operands instead of simplify_gen_binary.
6497 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6498 after trying simplify_binary_operation
6500 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6502 * tree.c (iterative_hash_expr): Hash decls based on UID.
6504 2006-01-06 Eric Christopher <echristo@apple.com>
6506 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6507 (TARGET_UNWIND_EMIT): Fix spelling.
6508 * target.h (gcc_target): Add except_table_label.
6509 * except.c (output_function_exception_table): Use.
6510 * varasm.c (default_emit_except_table_label): New.
6511 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6513 (asm_out): Add here.
6514 * output.h (default_emit_except_table_label): Prototype.
6515 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6516 * config/darwin.c (darwin_emit_except_table_label): Define.
6517 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6519 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6521 PR tree-optimization/18527
6522 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6523 number_of_iterations_special, number_of_iterations_exit):
6524 Move base and step of an iv to a single structure. Add
6525 no_overflow flag, and use it in # of iterations analysis.
6526 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6527 folded_casts argument.
6528 (simple_iv): Pass base and step in a structure. Set no_overflow
6530 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6531 Evaluate expensiveness of computing # of iterations instead of
6532 the final expression.
6533 * tree-scalar-evolution.h (affine_iv): New structure.
6534 (simple_iv): Declaration changed.
6535 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6536 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6537 find_givs_in_stmt): Changed due to simple_iv change.
6539 2006-01-06 Jeff Law <law@redhat.com>
6542 * tree-cfg.c (bsi_replace): Rename final argument from
6543 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6544 change (stmt -> orig_stmt).
6545 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6546 (bsi_remove): Add new argument. Remove EH information
6548 (verify_eh_throw_table_statements): New function.
6549 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6551 * tree-optimize.c (execute_free_cfg_annotations): Verify
6552 the EH throw statement table after removing annotations.
6553 * except.h (verify_eh_throw_table_statements): Prototype.
6554 * tree-flow.h (bsi_remove): Update prototype.
6555 * tree-vrp.c (remove_range_assertions): Add new argument to
6557 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6558 * tree-complex.c (expand_complex_div_wide): Likewise.
6559 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6560 * tree-tailcall.c (eliminate_tailcall): Likewise.
6561 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6562 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6563 * tree-nrv.c (tree_nrv): Likewise.
6564 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6565 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6566 (combine_blocks): Likewise.
6567 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6568 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6569 (cleanup_control_flow): Likewise.
6570 (remove_forwarder_block): Likewise.
6571 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6572 * tree-sra.c (sra_replace): Likewise.
6573 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6574 (forward_propagate_single_use_vars): Likewise.
6575 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6576 * tree-inline.c (expand_call_inline): Likewise.
6577 * tree-vect-transform.c (vect_transform_loop): Likewise.
6578 * tree-outof-ssa.c (rewrite_trees): Likewise.
6579 * tree-cfg.c (make_goto_expr_edges): Likewise.
6580 (cleanup_dead_labels): Likewise.
6581 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6582 (bsi_move_before, bsi_move_after): Likewise.
6583 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6584 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6586 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6589 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6591 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6592 on non gimple variables. Also add checks at the top for decls and
6594 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6596 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6597 and IMAGPART_EXPR for creating MUST_DEFs.
6598 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6599 and NAME_MEMORY_TAG separately from the DECLs.
6601 2006-01-06 Richard Guenther <rguenther@suse.de>
6603 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6604 annotation, if necessary.
6605 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6606 redundant calls to update_stmt.
6607 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6610 2006-01-05 Richard Henderson <rth@redhat.com>
6612 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6614 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6616 * c-typeck.c: Update copyright date.
6618 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6620 * c-typeck.c (build_c_cast): Always warn when casting
6621 from a pointer to an integer of different size, even if
6622 the node was constant.
6624 2006-01-05 Richard Guenther <rguenther@suse.de>
6626 PR tree-optimization/22555
6627 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6628 if one structure field is an array.
6629 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6630 operands even if we found a subvar, but ignore VOPs in this
6632 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6634 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6636 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6639 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6641 2006-01-05 Richard Guenther <rguenther@suse.de>
6642 Diego Novillo <dnovillo@redhat.com>
6644 * tree-pass.h (TODO_remove_unused_locals): Define.
6645 * gimple-low.c (expand_var_p, remove_useless_vars,
6646 pass_remove_useless_vars): Remove. Update all users.
6647 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6648 (remove_unused_locals): New function.
6649 * tree-flow.h (remove_unused_locals): Declare.
6650 * passes.c (execute_todo): Call remove_unused_locals if
6651 TODO_remove_unused_locals is set.
6652 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6653 * tree-ssa-dce.c (pass_dce): Likewise.
6654 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6656 2006-01-05 Richard Guenther <rguenther@suse.de>
6658 * tree-flow.h (struct fieldoff): Decompose field to
6659 type, size and decl.
6660 * tree-ssa-alias.c (create_sft): Take type as parameter.
6661 (create_overlap_variables_for): Store type, size and decl
6662 in the fieldoff structure.
6663 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6665 (push_fields_onto_fieldstack): Likewise.
6666 (create_variable_info_for): Likewise. Use offset for the
6667 SFT name if the decl is not available.
6669 2006-01-04 Paul Brook <paul@codesourcery.com>
6671 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6673 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6675 * lambda-code.c (can_put_in_inner_loop): Relax
6677 (can_put_after_inner_loop): New function.
6678 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6679 (perfect_nestify): Change to make copies and modify uses.
6681 2006-01-04 Richard Henderson <rth@redhat.com>
6683 Merge from gomp branch:
6684 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6685 via integer constant.
6686 (pragma_lex): Remove.
6687 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6688 rather than parsing it.
6689 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6690 handle_pragma_extern_prefix): Add %< %> quotes.
6691 (registered_pragmas): New.
6692 (c_register_pragma_1): New.
6693 (c_register_pragma): Use it.
6694 (c_register_pragma_with_expansion): Likewise.
6695 (c_invoke_pragma_handler): New.
6696 (init_pragma): Use cpp_register_deferred_pragma directly for
6698 * c-pragma.h (enum pragma_kind): New.
6699 (pragma_handler): New.
6700 (c_invoke_pragma_handler): Declare.
6701 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6703 * c-common.h (c_common_pch_pragma): Update decl.
6704 * Makefile.in (c-parser.o): Update dependencies.
6705 (GTFILES): Add c-pragma.h.
6706 * c-parser.c (struct c_token): Add pragma_kind.
6707 (struct c_parser): Add in_pragma.
6708 (c_lex_one_token): Always initialize keyword and pragma_kind.
6709 Extract data for CPP_PRAGMA.
6710 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6711 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6712 Don't allow CPP_PRAGMA_EOL if in_pragma.
6713 (c_parser_consume_pragma): New.
6714 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6715 (c_parser_skip_to_end_of_parameter): Likewise.
6716 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6717 (c_parser_skip_to_pragma_eol): New.
6718 (c_parser_external_declaration): Handle CPP_PRAGMA.
6719 (c_parser_compound_statement_nostart): Likewise.
6720 (c_parser_statement_after_labels): Likewise.
6721 (c_parser_pragma): New.
6722 (pragma_lex): Likewise.
6723 (c_parser_pragma_pch_preprocess): New.
6724 (c_parser_new): Merge into ...
6725 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6727 2006-01-04 Jeff Law <law@redhat.com>
6730 * tree-cfg.c (bsi_replace): Remove the original statement
6731 from the EH throw statement table.
6733 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6735 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6736 make the prototype extern "C" and add throw ().
6739 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6740 and pos non-negative and pos + len <= 32.
6741 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6742 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6743 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6746 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6747 as well as sizes not multiple of component size.
6750 * function.c (instantiate_expr): New function.
6751 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6752 walk its DECL_VALUE_EXPR with instantiate_expr.
6754 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6755 DW_OP_deref{,_size} if address isn't going to be added.
6757 2006-01-04 Ben Elliston <bje@au.ibm.com>
6759 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6760 * config/fp-bit.c: Likewise.
6762 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6764 * dominance.c: Add comment about why we use DFS numbering
6767 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6768 Richard Henderson <rth@redhat.com>
6770 Merge from gomp-branch:
6771 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6772 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6774 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6776 PR rtl-optimization/25578
6777 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6778 pass a parameter to simplify_shift_const if changing ASHIFTRT
6781 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6783 * builtins.c (get_builtin_sync_mem): New function.
6784 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6785 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6786 Call get_builtin_sync_mem to generate mem rtx.
6788 2006-01-03 Richard Guenther <rguenther@suse.de>
6791 * stmt.c (add_case_node): Make sure to clear overflow flags
6794 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6796 Merge from gomp-branch.
6797 * config/sparc/sync.md: New file.
6798 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6799 UNSPECV_LDSTUB): New constants.
6800 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6801 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6802 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6805 2006-01-03 Roger Sayle <roger@eyesopen.com>
6807 * combine.c (reg_subword_p): New predicate to test whether the
6808 destination of a set refers to a subword/piece of a register.
6809 (try_combine): Generalize the code to merge the setting of a
6810 pseudo to a constant followed by a set of a subword of that
6811 register to a constant.
6813 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6815 * basic-block.h (control_flow_graph): Change the type of
6816 x_label_to_block_map to VEC(basic_block,gc) *.
6817 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6818 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6820 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6821 VEC(basic_block,heap) *.
6822 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6823 ssa_prop_fini): Adjust the uses of cfg_blocks.
6825 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6827 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6829 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6830 hashing trees instead of a pointer hash.
6831 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6832 compare for MEM_EXPR.
6834 PR rtl-optimization/25130
6835 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6836 when comparing MEMs for GCSE
6838 2006-01-03 Ben Elliston <bje@au.ibm.com>
6840 * targhooks.h (default_decimal_float_supported_p): Declare.
6841 * targhooks.c (default_decimal_float_supported_p): Define.
6842 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6843 `default_decimal_float_supported_p'.
6844 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6846 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6848 * combine.c (apply_distributive_law <SUBREG>): Check
6849 TRULY_NOOP_TRUNCATION.
6851 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6853 * dwarf2out.c (have_switched_text_section): Delete.
6854 (have_multiple_function_sections): New.
6855 (have_location_lists): Make 'bool'.
6856 (add_AT_loc_list): Use 'true' not '1'.
6857 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6858 (output_loc_list): Use have_multiple_function_sections.
6859 (output_ranges): Likewise.
6860 (dwarf2out_begin_function): Set have_multiple_function_sections if
6862 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6863 Check function_section rather than DECL_SECTION_NAME.
6864 (dwarf2out_finish): Use have_multiple_function_sections.
6865 Don't clear have_location_lists.
6867 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6868 Jan Hubicka <jh@suse.cz>
6870 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6871 case of conditional jump jumping to the next instruction.
6872 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6873 cases of conditional jump jumping to the next instruction.
6875 2006-01-02 Jan Hubicka <jh@suse.cz>
6877 * i386.c (*_cost): Add COSTS_N_INSNS.
6878 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6880 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6883 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6885 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6887 * config/arm/arm.c (all_fpus): Fix comment typo.
6888 * config/darwin.c: Likewise.
6889 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6890 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6891 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6893 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6895 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6896 (rs6000_split_compare_and_swapqhi): New.
6897 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6898 (sync_compare_and_swapqhi_internal): New.
6899 * config/rs6000/rs6000-protos.h: Declare.