1 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3 * config/sh/sh.c: Include alloc-pool.h.
4 (label_ref_list_pool): New alloc pool.
5 (label_ref_list_t): New type for lists of labels.
6 (struct pool_node): Make wend a label_ref_list_t.
7 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9 (dump_table): Likewise.
10 (sh_reorg): Set up the alloc pool before using add_constant and
11 dump_table, and destroy it when finishing.
13 2006-03-11 Richard Sandiford <richard@codesourcery.com>
15 * config/mips/mips.c: Remove redundant comment.
17 2006-03-10 Jason Merrill <jason@redhat.com>
20 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
21 the target was declared 'register'.
23 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
25 * genpreds.c (write_insn_constraint_len): Change definition of
26 insn_constraint_len to return size_t to match the declaration.
28 2006-03-10 DJ Delorie <dj@redhat.com>
30 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
32 (m32c_expand_insv): Fix test for an AND mask.
34 2006-03-10 Richard Guenther <rguenther@suse.de>
37 * builtins.c (get_pointer_alignment): Handle component
38 references for field alignment.
40 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
42 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
43 when building with libgloss.
44 (sh*elf): Implement --without-fp option.
45 (sh64-superh-linux*): Don't multilib.
47 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
49 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
51 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
53 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
54 Set it when one of the replacement functions returned true.
55 Return TODO_cleanup_cfg if cfgchanged is true.
56 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
58 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
60 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
61 instead of gen_lowpart.
63 2006-03-09 Richard Sandiford <richard@codesourcery.com>
65 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
67 (mips_output_order_conditional_branch): Declare.
68 * config/mips/mips.h (MIPS_BRANCH): New macro.
69 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
70 for the comparison. Use gen_condjump.
71 (mips_output_conditional_branch): Rework interface to take the
72 asm templates for a direct branch and the inverse of a direct branch.
73 (mips_output_order_conditional_branch): New function.
74 (mips_builtin_branch_and_move): New function.
75 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
76 branch condition. Use gen_single_cc as the condition for
77 __builtin_mips_upper_* or __builtin_mips_lower_*.
78 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
79 Use VOIDmode for the branch condition.
80 * config/mips/predicates.md (order_operator): New predicate.
81 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
82 (branch_fp): Rename to...
83 (*branch_fp): ...this. Remove mode from comparison operator.
84 Use new mips_output_conditional_branch interface.
85 (branch_fp_inverted): Rename to...
86 (*branch_fp_inverted): ...this and update as for *branch_fp.
87 (*branch_zero<mode>): Rename to...
88 (*branch_order<mode>): ...this. Remove mode from comparison operator.
89 Use mips_output_order_conditional_branch. Only accept ordered
91 (*branch_zero<mode>_inverted): Rename to...
92 (*branch_order<mode>_inverted): ...this and update as for
94 (*branch_equality<mode>): Accept zero as the second operand to
95 the equality operator. Use the new mips_output_conditional_branch
97 (*branch_equality<mode>_inverted): Likewise.
98 (condjump): New expander.
99 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
101 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
102 (bc1any2t, bc1any2f): Likewise.
103 (single_cc): New expander.
104 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
106 2006-03-09 Richard Sandiford <richard@codesourcery.com>
108 * doc/md.texi: Update documentation of MIPS constraints.
109 * config/mips/constraints.md: New file.
110 * config/mips/mips.md: Include it.
111 * config/mips/mips.c (mips_char_to_class): Delete.
112 (override_options): Don't initialize mips_char_to_class.
113 * config/mips/mips.h (mips_char_to_class): Delete.
114 (REG_CLASS_FROM_LETTER): Delete.
115 (CONST_OK_FOR_LETTER_P): Delete.
116 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
117 (EXTRA_CONSTRAINT_Y): Delete.
118 (EXTRA_CONSTRAINT_STR): Delete.
119 (CONSTRAINT_LEN): Delete.
120 (EXTRA_MEMORY_CONSTRAINT): Delete.
122 2006-03-09 Diego Novillo <dnovillo@redhat.com>
124 * tree-cfg.c (move_block_to_fn): Remove the statements from the
125 original fn's eh regions.
127 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
129 * fold-const.c (build_range_check): Make sure to use a valid type to
130 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
133 (range_predecessor): New static function.
134 (range_successor): Likewise.
135 (merge_ranges): Use them to compute predecessors and successors of
138 2006-03-09 Roger Sayle <roger@eyesopen.com>
141 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
142 X op C3, consider whether C3 overflows towards +Inf or -Inf.
144 2006-03-08 DJ Delorie <dj@redhat.com>
146 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
147 (addpsi3): Expand to include memory operands. Remove
148 reload-specific splits.
149 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
150 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
151 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
152 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
153 (shift1_qi, shift1_hi, insv): New.
154 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
155 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
156 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
158 * config/m32c/m32c-protos.h: Update as needed.
159 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
160 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
161 Fail for unrecognized R* constraints.
162 (m32c_cannot_change_mode_class): Be more picky about pseudos.
163 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
164 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
166 (m32c_init_libfuncs): New.
167 (m32c_legitimate_address_p): Add debug wrapper.
168 (m32c_rtx_costs): New.
169 (m32c_address_cost): New.
170 (conversions): Add 'B' prefix.
171 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
172 operands, or word regnames for QI operands. 'B' prints bit
174 (m32c_expand_setmemhi): New.
175 (m32c_expand_movmemhi): New.
176 (m32c_expand_movstr): New.
177 (m32c_expand_cmpstr): New.
178 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
179 (m32c_expand_neg_mulpsi3): Handle non-ints.
180 (m32c_cmp_flg_0): New.
181 (m32c_expand_movcc): New.
182 (m32c_expand_insv): New.
183 (m32c_scc_pattern): New.
184 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
186 (STORE_FLAG_VALUE): New.
187 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
190 * config/m32c/mov.md: Make constraints more liberal.
191 (zero_extendqihi2): Optimize r0/r1 case.
192 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
193 * config/m32c/predicates.md (m32c_any_operand): New.
194 (m32c_nonimmediate_operand): New.
195 (m32c_hl_operand): New.
196 (m32c_r3_operand): New.
199 (memsym_operand): New.
200 (memimmed_operand): New.
202 (m32c_eqne_operator): New.
203 (m32c_1bit8_operand): New.
204 (m32c_1bit16_operand): New.
205 (m32c_1mask8_operand): New.
206 (m32c_1mask16_operand): New.
207 * config/m32c/blkmov.md: New file.
208 * config/m32c/t-m32c (MD_FILES): Add blkmov.
210 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
212 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
213 unsigned to fix signed/unsigned comparison issue in
214 DWARF2_FRAME_REG_OUT.
215 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
216 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
218 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
219 of ptr into the ENABLE_CHECKING section.
221 2006-03-08 Jeff Law <law@redhat.com>
223 * tree-vrp.c (infer_value_range): Only count pointer uses
224 and dereferences if -fdelete-null-pointer-checks is enabled.
226 * tree-vrp.c (find_assert_locations): Infer value ranges for
227 single use pointers, but do not create ASSERT_EXPRs for them.
228 When a non-null range is inferred for a pointer, backwards
229 propagate that range to other equivalent pointers through the
232 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
235 * Makefile.in (dvi, html, install-info): Invoke the corresponding
236 language hook targets.
237 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
238 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
239 if language hook targets were missing.
241 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
243 * tree-ssa-opfinalize.h: Removed.
244 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
246 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
247 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
248 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
249 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
250 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
251 finalize_ssa_v_must_def_ops): New.
253 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
255 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
258 2006-03-07 Geoffrey Keating <geoffk@apple.com>
260 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
262 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
263 addresses with offsets; reorganize.
265 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
266 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
267 (expand_builtin_init_dwarf_reg_sizes): Likewise.
269 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
272 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
274 2006-03-08 Ben Elliston <bje@au.ibm.com>
276 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
278 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
281 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
284 2006-03-07 Richard Guenther <rguenther@suse.de>
286 PR tree-optimization/26587
287 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
289 2006-03-07 Richard Sandiford <richard@codesourcery.com>
291 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
293 2006-03-07 Richard Sandiford <richard@codesourcery.com>
295 * hooks.c (hook_bool_mode_rtx_true): New function.
296 * hooks.h (hook_bool_mode_rtx_true): Declare.
297 * toplev.c (compile_file): Call output_shared_constant_pool.
298 * varasm.c (shared_constant_pool): New variable.
299 (assemble_start_function, assemble_end_function): Remove arguments
300 from call to output_constant_pool.
301 (create_constant_pool): New function, split out from...
302 (init_varasm_status): ...here.
303 (force_const_mem): Choose between the shared and per-function constant
304 pools. Set current_function_uses_const_pool when reusing old entries
305 as well as when creating new ones.
306 (mark_constant): Ignore data argument.
307 (mark_constants): Remove pool argument.
308 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
309 to decide whether the function uses a constant pool.
310 (output_constant_pool_contents): New function, split out from...
311 (output_constant_pool): ...here.
312 (output_shared_constant_pool): New function.
313 (init_varasm_once): Initialize shared_constant_pool.
314 * output.h (output_constant_pool): Delete.
315 (output_shared_constant_pool): Declare.
316 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
317 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
319 2006-03-06 Nick Clifton <nickc@redhat.com>
321 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
322 flag_strength_reduce.
324 2006-03-06 Ben Elliston <bje@au.ibm.com>
326 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
327 x86_64-*-linux* configurations.
329 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
330 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
332 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
334 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
336 * basic-block.h: Remove the extern for
337 rediscover_loops_after_threading.
339 * cfgloop.c (cancel_loop): Make it static.
340 * cfgloop.h: Remove the prototype for cancel_loop.
342 * flow.c (recompute_reg_usage): Make it static.
343 * rtl.h: Remove the prototype for recompute_reg_usage.
345 * function.c (use_return_register): Make it static.
346 * function.h: Remove the prototype.
348 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
350 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
352 * recog.h: Remove the prototype for
353 validate_change_maybe_volatile.
355 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
357 * rtlanal.c (replace_reg): Remove.
358 * rtl.h: Remove the prototype for replace_reg.
360 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
362 * regclass.c (reg_scan_update): Remove.
363 (reg_scan_mark_refs): Remove the last argument.
364 * rtl.h: Remove the prototype for reg_scan_update.
366 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
368 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
369 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
370 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
371 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
372 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
373 loop-invariant.c, omp-low.c, opts.c, passes.c,
374 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
375 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
376 tree-ssa-structalias.c, tree-ssa-threadedge.c,
377 tree-ssa-threadupdate.c, tree-vect-patterns.c,
378 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
379 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
381 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
383 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
384 * dwarf2out.h: Remove the prototype for
385 dwarf2out_add_library_unit_info.
387 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
389 * tree.c (add_var_to_bind_expr): Remove.
390 * tree.h: Remove the prototype for add_var_to_bind_expr.
392 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
394 * regclass.c (n_non_fixed_regs): Remove.
395 (init_reg_sets_1, globalize_reg): Remove all uses of
397 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
399 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
401 * rtlanal.c (insns_safe_to_move_p): Remove.
402 * rtl.h: Remove the prototype for insns_safe_to_move_p.
404 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
406 * expmed.c (expand_mult_add): Remove.
407 * expr.h: Remove the prototype for expand_mult_add.
409 2006-03-04 Jakub Jelinek <jakub@redhat.com>
411 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
412 and REG_SAVED_VAL_EXP constants.
413 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
414 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
415 Handle regs stored by value.
416 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
417 (execute_cfa_program): Handle DW_CFA_val_offset,
418 DW_CFA_val_offset_sf and DW_CFA_val_expression.
419 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
420 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
421 (uw_install_context_1): Handle target regs stored by value.
423 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
425 * tree-sra.c (tree_sra): Return todoflags;
426 (generate_one_element): Set TODO_update_smt_usage if needed.
427 (pass_sra): Remove TODO_update_smt_usage.
428 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
430 (tree_ssa_forward_propagate_single_use_vars): Return
431 TODO_update_smt_usage if we need to update SMT usage.
432 (pass_forwprop): Remove TODO_update_smt_usage.
434 2006-03-03 Diego Novillo <dnovillo@redhat.com>
436 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
437 (correct_use_link): Remove reference to get_stmt_operands.
438 (update_stmt_operands): Likewise.
439 (get_modify_expr_operands): New function factored out of
440 parse_ssa_operands and get_expr_operands.
441 Try to create V_MUST_DEFs for LHS by default.
442 (get_expr_operands) <case MODIFY_EXPR>: Call
443 get_modify_expr_operands.
444 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
445 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
446 (parse_ssa_operands) <case MODIFY_EXPR>: Call
447 get_modify_expr_operands.
449 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
451 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
452 * tree-flow.h: Remove the prototype for
453 referenced_var_lookup_if_exists.
455 2006-03-03 Steve Ellcey <sje@cup.hp.com>
457 PR rtl-optimization/26345
459 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
461 2006-03-03 Roger Sayle <roger@eyesopen.com>
463 PR tree-optimization/26524
464 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
465 fold_convert to create a constant of the appropriate type.
467 2006-03-03 Richard Sandiford <richard@codesourcery.com>
469 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
470 SYMBOL_REF_IN_BLOCK_P.
471 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
472 of SYMBOL_FLAG_IN_BLOCK.
473 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
474 instead of SYMBOL_REF_IN_BLOCK_P.
475 * explow.c (use_anchored_address): Likewise.
476 * rtl.c (rtx_size): Likewise.
477 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
478 instead of SYMBOL_FLAG_IN_BLOCK.
479 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
480 SYMBOL_REF_IN_BLOCK_P.
481 (assemble_variable): Likewise.
482 (output_constant_def_contents): Likewise.
483 (output_constant_pool): Likewise.
484 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
485 instead of SYMBOL_FLAG_IN_BLOCK.
486 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
487 SYMBOL_REF_IN_BLOCK_P.
488 (SYMBOL_REF_BLOCK): Likewise.
489 (SYMBOL_REF_OFFSET): Likewise.
490 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
491 SYMBOL_REF_IN_BLOCK_P.
492 (SYMBOL_FLAG_IN_BLOCK): Replace with...
493 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
494 (SYMBOL_REF_IN_BLOCK_P): Replace with...
495 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
497 2006-03-03 Jakub Jelinek <jakub@redhat.com>
499 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
501 2006-03-02 Roger Sayle <roger@eyesopen.com>
503 * simplify-rtx.c (simplify_unary_operation): When simplifying
504 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
505 that we perform the right shift in the appropriate mode, and
506 then extend or truncate the result to requested mode.
508 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
510 * gengtype.c (main): Handle double_int type.
511 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
512 * double-int.c: New file.
513 * double-int.h: New file.
514 * system.h: Include doubleint.h.
515 * Makefile.in (SYSTEM_H): Include double-int.h.
518 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
521 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
524 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
526 * tree-vrp.c (remove_range_assertions): Do not update statements
529 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
531 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
533 * gcse.c (rest_of_handle_gcse): Ditto.
534 * except.c (gate_handle_eh): Ditto.
535 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
536 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
538 2006-03-02 Eric Christopher <echristo@apple.com>
540 * config/i386/i386.c (machopic_output_stub): Add indirection to
543 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
547 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
549 Sun Niagara specific optimizations.
550 * config.gcc: Recognize niagara as target.
551 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
552 (TARGET_CPU_niagara): Define.
553 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
554 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
555 (CPP_CPU_SPEC): Handle -mcpu=niagara.
556 (ASM_CPU_SPEC): Likewise.
557 (PROCESSOR_NIAGARA): New enum entry.
558 (REGISTER_MOVE_COST): Handle Niagara.
559 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
560 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
561 (sparc_override_options): Recognize "niagara", set appropriate
562 default MASK_* values for it, and align functions to 32-bytes
563 by default just like ULTRASPARC/ULTRASPARC3.
564 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
565 (sparc64_initialize_trampoline): Likewise.
566 (sparc_use_sched_lookahead): Use zero for niagara.
567 (sparc_issue_rate): Use one for niagara.
568 * config/sparc/niagara.md: New file.
569 * config/sparc/sparc.md: Include it.
570 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
571 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
572 when default cpu is niagara.
573 (CPP_CPU_SPEC): Handle -mcpu=niagara.
574 (ASM_CPU_SPEC): Likewise.
575 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
576 when default cpu is niagara.
577 (ASM_CPU_SPEC): Handle -mcpu=niagara.
578 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
579 just like v9/ultrasparc/ultrasparc3.
580 * doc/invoke.texi: Add documentation for "niagara" and improve
581 existing documentation for ultrasparc variants.
583 2006-03-02 Diego Novillo <dnovillo@redhat.com>
585 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
587 2006-03-02 Richard Sandiford <richard@codesourcery.com>
589 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
590 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
591 and say that only one is needed.
592 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
593 * target.h (have_switchable_bss_sections): New hook.
594 * explow.c (use_anchored_address): Check that the symbol is in a block.
595 * varasm.c (tls_comm_section, comm_section, lcomm_section)
596 (bss_noswitch_section): New variables.
597 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
598 (get_noswitch_section): New function.
599 (get_block_for_section): Allow SECT to be null.
600 (unlikely_text_section_p): Use SECTION_STYLE.
601 (bss_initializer_p): New function.
602 (get_variable_section): Move earlier in file. Take a new argument,
603 prefer_noswitch_p. Move bss checks from assemble_variable to here.
604 Return one of the new *_sections in such cases.
605 (get_block_for_decl): New function, extracting some logic from
606 use_blocks_for_decl_p.
607 (change_symbol_section): Remove in favor of...
608 (change_symbol_block): ...this new function.
609 (use_blocks_for_decl_p): Remove checks now performed by
611 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
612 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
613 (emit_local, emit_bss, emit_common): ...these new functions.
614 Return true if the alignment was honored.
615 (emit_tls_common): New function.
616 (asm_emit_uninitialised): Delete.
617 (assemble_variable_noswitch): New function, split out from...
618 (assemble_variable): ...here. Don't make decisions about common
619 variables here. Globalize all public decls that go into non-common
620 sections. Check whether SYMBOL_REF_BLOCK is null.
621 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
622 (output_constant_pool): Likewise.
623 (init_varasm_once): Initialize the new section variables.
624 (have_global_bss_p): New function.
625 (categorize_decl_for_section): Use bss_initializer_p.
626 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
627 (place_block_symbol): Assert that the symbol must be in a block.
628 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
629 (TARGET_INITIALIZER): Include it.
630 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
631 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
632 (SECTION_MACH_DEP): Bump by two.
633 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
634 (unnamed_section): Mention SECTION_UNNAMED in comment.
635 (named_section): Likewise SECTION_NAMED.
636 (noswitch_section_callback): New type.
637 (noswitch_section): New structure.
638 (section): Add a noswitch_section alternative.
639 (SECTION_STYLE): New macro.
640 (tls_comm_section, comm_section, lcomm_section): Declare.
641 (bss_noswitch_section, have_global_bss_p): Declare.
642 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
643 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
645 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
646 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
649 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
651 * gcc/tree-vrp.c (execute_vrp): Return value.
652 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
653 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
654 * gcc/tree-complex.c (tree_lower_complex): Ditto.
655 (tree_lower_complex_O0): Ditto.
656 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
657 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
658 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
659 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
660 (execute_tail_calls): Ditto.
661 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
662 * gcc/tree.h (init_function_for_compilation): Ditto.
663 * gcc/ipa-cp.c (ipcp_driver): Ditto.
664 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
665 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
666 * gcc/final.c (compute_alignments): Ditto.
667 (rest_of_handle_final): Ditto.
668 (rest_of_handle_shorten_branches): Ditto.
669 (rest_of_clean_state): Ditto.
670 * gcc/omp-low.c (execute_expand_omp): Ditto.
671 (execute_lower_omp): Ditto.
672 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
673 * gcc/ipa-reference.c (static_execute): Ditto.
674 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
675 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
676 (rest_of_handle_machine_reorg): Ditto.
677 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
678 * gcc/flow.c (recompute_reg_usage): Ditto.
679 (rest_of_handle_remove_death_notes): Ditto.
680 (rest_of_handle_life): Ditto.
681 (rest_of_handle_flow2): Ditto.
682 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
683 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
684 (do_ssa_store_ccp): Ditto.
685 (execute_fold_all_builtins): Ditto.
686 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
687 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
688 * gcc/ipa-pure-const.c (static_execute): Ditto.
689 * gcc/cse.c (rest_of_handle_cse): Ditto.
690 (rest_of_handle_cse2): Ditto.
691 * gcc/web.c (rest_of_handle_web): Ditto.
692 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
693 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
694 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
695 * gcc/tree-nrv.c (tree_nrv): Ditto.
696 (execute_return_slot_opt): Ditto.
697 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
698 (create_structure_vars): Ditto.
699 * gcc/loop-init.c (rtl_loop_init): Ditto.
700 (rtl_loop_done): Ditto.
701 (rtl_move_loop_invariants): Ditto.
702 (rtl_unswitch): Ditto.
703 (rtl_unroll_and_peel_loops): Ditto.
705 * gcc/gimple-low.c (lower_function_body): Ditto.
706 (mark_used_blocks): Ditto.
707 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
708 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
709 (cgraph_early_inlining): Ditto.
710 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
711 * gcc/jump.c (cleanup_barriers): Ditto.
712 (purge_line_number_notes): Ditto.
713 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
714 (rest_of_handle_if_after_reload): Ditto.
715 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
716 (tree_ssa_loop_im): Ditto.
717 (tree_ssa_loop_unswitch): Ditto.
718 (tree_vectorize): Ditto.
719 (tree_linear_transform): Ditto.
720 (tree_ssa_loop_ivcanon): Ditto.
721 (tree_ssa_empty_loop): Ditto.
722 (tree_ssa_loop_bounds): Ditto.
723 (tree_complete_unroll): Ditto.
724 (tree_ssa_loop_prefetch): Ditto.
725 (tree_ssa_loop_ivopts): Ditto.
726 (tree_ssa_loop_done): Ditto.
727 * gcc/predict.c (tree_estimate_probability): Ditto.
728 * gcc/recog.c (split_all_insns_noflow): Ditto.
729 (rest_of_handle_peephole2): Ditto.
730 (rest_of_handle_split_all_insns): Ditto.
731 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
732 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
733 (rest_of_handle_stack_adjustments): Ditto.
734 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
735 * gcc/function.c (instantiate_virtual_regs): Ditto.
736 (init_function_for_compilation): Ditto.
737 (rest_of_handle_check_leaf_regs): Ditto.
738 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
739 (rest_of_handle_gcse): Ditto.
740 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
741 * gcc/alias.c (rest_of_handle_cfg): Ditto.
742 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
743 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
744 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
745 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
746 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
747 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
748 * gcc/except.c (set_nothrow_function_flags): Ditto.
749 (convert_to_eh_region_ranges): Ditto.
750 (rest_of_handle_eh): Ditto.
751 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
752 (remove_unnecessary_notes): Ditto.
753 * gcc/except.h (set_nothrow_function_flags): Ditto.
754 (convert_to_eh_region_ranges): Ditto.
755 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
756 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
757 * gcc/tree-ssa-pre.c (do_pre): Ditto.
758 (execute_fre): Ditto.
759 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
760 (rest_of_handle_jump2): Ditto.
761 * gcc/tree-sra.c (tree_sra): Ditto.
762 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
763 (execute_mudflap_function_decls): Ditto.
764 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
765 (do_store_copy_prop): Ditto.
766 * gcc/ipa-prop.h (ipcp_driver): Ditto.
767 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
768 * gcc/tree-ssa-forwprop.c
769 (tree_ssa_forward_propagate_single_use_vars): Ditto.
770 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
771 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
772 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
773 (execute_late_warn_uninitialized): Ditto.
774 * gcc/rtl.h (cleanup_barriers): Ditto.
775 (split_all_insns_noflow): Ditto.
776 (purge_line_number_notes): Ditto.
777 (unshare_all_rtl): Ditto.
778 (remove_unnecessary_notes): Ditto.
779 (recompute_reg_usage): Ditto.
780 (variable_tracking_main): Ditto.
781 * gcc/integrate.c (emit_initial_value_sets): Ditto.
782 * gcc/integrate.h (emit_initial_value_sets): Ditto.
783 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
784 (execute_free_cfg_annotations): Ditto.
785 (execute_fixup_cfg): Ditto.
786 (execute_cleanup_cfg_pre_ipa): Ditto.
787 (execute_cleanup_cfg_post_optimizing): Ditto.
788 (execute_init_datastructures): Ditto.
789 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
790 * gcc/combine.c (rest_of_handle_combine): Ditto.
791 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
792 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
793 (rest_of_handle_reorder_blocks): Ditto.
794 (rest_of_handle_partition_blocks): Ditto.
795 * gcc/var-tracking.c (variable_tracking_main): Ditto.
796 * gcc/tree-profile.c (tree_profiling): Ditto.
797 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
798 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
799 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
800 (rest_of_handle_sched2): Ditto.
801 * gcc/basic-block.h (free_bb_insn): Ditto.
802 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
803 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
804 (remove_useless_stmts): Ditto.
805 (split_critical_edges): Ditto.
806 (execute_warn_function_return): Ditto.
807 (execute_warn_function_noreturn): Ditto.
808 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
809 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
810 * gcc/passes.c (execute_one_pass): Run additional
811 todos returned by execute function.
812 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
815 2006-03-02 Richard Guenther <rguenther@suse.de>
817 * tree-ssa-alias.c (find_used_portions): Consider taking
818 the address as making the variable not write-only.
820 2006-03-02 Nick Clifton <nickc@redhat.com>
822 * config.gcc (default_use_cxa_atexit): Extend the description of
823 this configure variable. Set its default value to "yes" for
824 Linux, NetBSD and ELF targets on the assumption that they will
825 use C libraries with the __cxa_atexit function.
827 2006-03-02 Ben Elliston <bje@au.ibm.com>
829 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
830 parameter as unused to suppress a build warning.
832 2006-03-02 Ben Elliston <bje@au.ibm.com>
834 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
837 2006-03-01 Roger Sayle <roger@eyesopen.com>
840 * gthr-posix.h (__gthrw2): Define to take three parameters, the
841 declared name, the weak reference name, and the typeof name.
842 (__gthrw): Avoid expanding the declared name suffix.
843 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
845 2006-03-01 Jakub Jelinek <jakub@redhat.com>
847 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
849 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
850 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
851 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
852 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
853 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
854 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
855 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
856 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
857 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
858 DW_DS_leading_separate, DW_DS_trailing_separate): New.
859 (DW_END_default, DW_END_big, DW_END_little): New.
860 (DW_END_lo_user, DW_END_hi_user): Define.
861 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
862 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
863 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
866 2006-03-01 Diego Novillo <dnovillo@redhat.com>
868 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
870 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
872 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
874 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
876 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
879 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
882 2006-03-01 Roger Sayle <roger@eyesopen.com>
884 * builtins.c (fold_builtin_copysign): Delete unreachable code.
886 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
889 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
890 MACHO_DYNAMIC_NO_PIC_P.
891 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
893 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
896 * config/darwin-protos.h (darwin_asm_output_anchor):
898 * config/darwin-sections.def (cstring_section):
899 Add SECTION_MERGE to the flags.
900 (literal4_section): Likewise.
901 (literal8_section): Likewise.
902 (objc_selector_refs_section): Likewise.
903 (objc_cls_refs_section): Likewise.
904 * config/darwin.c (darwin_asm_output_anchor): New
906 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
908 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
910 Fix PR tree-optimization/26443
911 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
912 to todo and PROP_tmt_usage to properties_destroyed.
913 * tree-ssa-ccp.c (pass_ccp): Ditto.
914 (pass_store_ccp): Ditto.
915 * tree-ssa-dom.c (pass_dominator): Ditto.
917 2006-03-01 Diego Novillo <dnovillo@redhat.com>
919 * tree-ssa-operands.c: Cleanup whitespace.
920 (get_asm_expr_operands): Move before first invocation.
921 (get_indirect_ref_operands): Likewise.
922 (get_tmr_operands): Likewise.
923 (get_call_expr_operands): Likewise.
924 (append_def): Likewise.
925 (append_use): Likewise.
926 (append_v_may_def): Likewise.
927 (append_v_must_def): Likewise.
928 (add_call_clobber_ops): Likewise.
929 (add_call_read_ops): Likewise.
930 (add_stmt_operand): Likewise.
931 (add_virtual_operand): Likewise.
932 (build_ssa_operands): Likewise.
934 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
939 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
940 with a call expr to ...
941 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
943 2006-03-01 Diego Novillo <dnovillo@redhat.com>
945 * tree-vrp.c (extract_range_from_assert): Remove special
946 handling for types with super-types.
948 2006-03-01 Ben Elliston <bje@au.ibm.com>
950 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
951 and powerpc64-*-linux* configurations.
952 * config/t-dfprules: New file.
954 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
955 Compile dfp-bit.c from the source directory using -DWIDTH and
956 $DFP_CFLAGS to control the compilation of that file, rather than
957 generating width-specific versions in the build directory.
958 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
959 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
961 2006-02-28 Zack Weinberg <zackw@panix.com>
963 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
966 2006-02-28 Eric Christopher <echristo@apple.com>
968 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
969 Set up IN_LIBGCC definition of TARGET_64BIT.
970 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
972 2006-02-28 Roger Sayle <roger@eyesopen.com>
975 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
976 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
977 cases via the construction of "expr != 0".
979 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
981 * alias.c (alias_invariant, alias_invariant_size): Remove.
982 (record_base_value): Remove.
983 (memrefs_conflict_p): Don't look at alias_invariant.
984 (end_alias_analysis): Don't free it.
985 * alias.h (record_base_value): Remove prototype.
987 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
988 Adam Nemet <anemet@caviumnetworks.com>
990 * rtl.h (truncated_to_mode): Declare it.
991 (struct rtl_hooks): Add reg_truncated_to_mode hook.
992 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
993 (RTL_HOOKS_INITIALIZER): Include it.
994 * rtlhooks.c (reg_truncated_to_mode_general): New function.
995 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
996 reg_truncated_to_mode.
997 * rtlanal.c (truncated_to_mode): Define it.
998 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1000 2006-02-28 Jeff Law <law@redhat.com>
1002 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
1003 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
1004 the range allowed by TYPE_PRECISION.
1006 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
1008 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
1010 PR tree-optimization/26419
1011 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
1014 2006-02-27 Zack Weinberg <zackw@panix.com>
1016 * doc/md.texi: Fix typo in previous change.
1018 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
1022 2006-02-27 Zack Weinberg <zackw@panix.com>
1024 * rtl.def (define_constraint, define_register_constraint)
1025 (define_memory_constraint, define_address_constraint): New MD forms.
1026 * gensupport.c (process_rtx): Put define_constraint etc on the
1028 * genpreds.c (process_define_predicate): Adjust comment. Validate
1029 the name, and call validate_exp to validate the expression.
1030 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1031 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1032 all callers changed.
1033 (validate_exp, needs_variable, struct constraint_data)
1034 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1035 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1036 (const_dbl_constraints, constraint_max_namelen)
1037 (have_register_constraints, have_memory_constraints)
1038 (have_address_constraints, have_address_constraints)
1039 (have_extra_constraints, have_const_int_constraints)
1040 (have_const_dbl_constraints, mangle, add_constraint)
1041 (process_define_constraint, process_define_register_constraint)
1042 (write_enum_constraint_num, write_lookup_constraint)
1043 (write_insn_constraint_len, write_regclass_for_constraint)
1044 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1045 (write_insn_extra_memory_constraint)
1046 (write_insn_extra_address_constraint)
1047 (write_satisfies_constraint_fns): New.
1048 (write_tm_preds_h): If we have new-style constraint definitions,
1049 prototype the functions generated from them, and define the
1050 old constraint interface (still used by generic code) in terms of
1052 (write_insn_preds_c): If we have new-style constraint definitions,
1053 generate all relevant functions from those definitions.
1054 (main): Handle define_constraint etc.
1055 * genoutput.c (struct constraint_data, indep_constraints)
1056 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1057 (mdep_constraint_len): New data structures and functions, defined
1058 #ifdef USE_MD_CONSTRAINTS.
1059 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1060 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1061 use new logic to validate operand constraints against constraint
1063 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1065 * defaults.h: If none of the old-style constraint macros are
1066 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1067 old-style macros; and poison REG_CLASS_FROM_LETTER,
1068 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1070 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1071 * doc/md.texi: Document new constraint-definition mechanism and the
1072 C interface it provides. Remove references to old mechanism
1073 elsewhere in the document.
1074 (Machine Constraints): Use pathnames relative to gcc directory,
1075 i.e. config/ARCH/FILE. Change i386 section to refer to
1076 config/i386/predicates.md; update that section to match docstrings.
1077 * doc/tm.texi: Move all documentation of the old constraint-
1078 definition macros to their own section, clearly mark as obsolete.
1080 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1081 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1083 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1084 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1085 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1087 (splits and peepholes): Use satisfies_constraint_*.
1088 * config/i386/i386.c (memory_address_length)
1089 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1091 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1093 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1094 scalar operation to be put back into the loop.
1096 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1099 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1100 (extract_cie_info): Handle S flag in augmentation string.
1101 (execute_cfa_program): If context->signal_frame, execute also
1102 fs->pc == context->ra instructions.
1103 (uw_frame_state_for): If context->signal_frame, don't subtract one
1104 from context->ra to find FDE.
1105 (uw_update_context_1): Set context->signal_frame to
1107 (_Unwind_GetIPInfo): New function.
1108 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1109 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1111 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1112 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1113 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1114 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1115 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1116 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1117 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1118 x86_64_fallback_frame_state): Set fs->signal_frame.
1119 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1120 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1121 (frob_update_context): Likewise. Workaround missing S flag in
1122 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1123 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1124 Remove the psw_addr + 1 hack.
1126 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1128 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1129 with aggregates here.
1130 (find_func_aliases): Remove code for &<aggregate> from here.
1132 2006-02-26 Roger Sayle <roger@eyesopen.com>
1134 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1135 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1136 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1139 2006-02-26 Roger Sayle <roger@eyesopen.com>
1142 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1144 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1146 * opts.c (decode_options): Do not handle flag_strength_reduce.
1147 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1148 and OPT_fstrength_reduce.
1149 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1150 flag_prefetch_loop_arrays for being nonzero.
1151 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1153 (fprefetch-loop-arrays-rtl): Removed.
1154 (flag_prefetch_loop_arrays): Do not specify the value.
1156 * doc/passes.texi: Update documentation of loop optimizer
1158 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1159 -frerun-loop-opt): Remove.
1161 2006-02-26 Richard Guenther <rguenther@suse.de>
1163 PR tree-optimization/26421
1164 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1165 in function calls that are ADDR_EXPRs as using the whole structure.
1167 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1169 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1170 * tree-pass.h (pass_loop_optimize): Remove.
1171 * passes.c (pass_loop_optimize): Never run it.
1172 * toplev.c (backend_init): Don't call init_loop.
1173 * opts.c (flag_loop_optimize_set): Remove.
1174 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1175 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1176 the old RTL loop optimizer when profiling enabled.
1177 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1178 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1179 pre-headers for the sake of the old RTL loop optimizer.
1180 * Makefile.in: Remove all references to loop.o.
1182 * doc/invoke.texi: Remove all references to -floop-optimize
1183 and -frerun-loop-opt.
1185 2006-02-26 Zack Weinberg <zackw@panix.com>
1187 * doc/md.texi (Machine Constraints): Refer to all files with paths
1188 relative to gcc directory (i.e. config/CPU/file). Add missing
1189 @table @code ... @end table to M32C subsection.
1191 2006-02-26 Roger Sayle <roger@eyesopen.com>
1193 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1195 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1197 2006-02-26 Roger Sayle <roger@eyesopen.com>
1198 James A. Morrison <phython@gcc.gnu.org>
1201 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1202 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1203 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1204 signedness of the shift operation.
1206 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1208 PR tree-optimization/26359
1209 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1211 2006-02-25 Roger Sayle <roger@eyesopen.com>
1213 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1214 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1215 as X == 0, and some symmetry related transformations.
1216 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1218 2006-02-25 Roger Sayle <roger@eyesopen.com>
1221 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1222 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1223 symmetry related transformations. Fold (X^C1) == C2 as
1226 2006-02-25 Juergen Weigert <jw@suse.de>
1227 Richard Guenther <rguenther@suse.de>
1229 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1231 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1233 * combine.c (gen_lowpart_or_truncate): Call
1234 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1236 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1238 * doc/invoke.texi: Move -fopenmp description to "Options for
1240 Remove reference to -lgomp.
1242 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1244 * doc/install.texi: Require GNU tar version 1.14.
1246 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1248 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1249 * doc/invoke.texi (C++ Dialect Options): Document
1250 -fno-use-cxa-get-exception-ptr.
1251 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1252 * configure: Regenerate.
1253 * c.opt (fuse-cxa-get-exception-ptr): New.
1254 * c-opts.c (c_common_handle_option): Handle
1255 OPT_fuse_cxa_get_exception_ptr.
1256 * c-common.c (flag_use_cxa_atexit): Update documentation.
1257 (flag_use_cxa_get_exception_ptr): New.
1258 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1259 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1261 (C_COMMON_OVERRIDE_OPTIONS): New.
1263 2006-02-24 Roger Sayle <roger@eyesopen.com>
1266 * combine.c (try_combine): Explicitly check whether GET_CODE is
1267 a SET or a CLOBBER, instead on checking that it isn't a USE.
1269 2006-02-24 Roger Sayle <roger@eyesopen.com>
1271 * fold-const.c (fold_comparison): New subroutine of fold_binary
1272 containing transformations common to both the equality and
1273 ordering relational operators, factored out of fold_binary.
1274 (fold_binary): Separate out the equality operators (EQ_EXPR
1275 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1276 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1277 transformations common to both.
1278 (fold_div_compare): Fix latent bugs in the previously unreachable
1279 LT_EXPR and GE_EXPR cases.
1281 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1283 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1284 decl libname for clog to __clog on AIX.
1286 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1288 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1291 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1292 output traceback table for thunks. Localise rs6000_stack_info call.
1294 2006-02-23 Roger Sayle <roger@eyesopen.com>
1295 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1297 * gthr-posix.h (__gthrw): Fix typo in comment.
1299 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1301 * doc/cpp.texi (Character sets): Document that we do support
1302 input files to be in any character set.
1304 2006-02-23 Jeff Law <law@redhat.com>
1306 * tree.h (PHI_ARG_NONZERO): Remove.
1307 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1308 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1309 node to the new node.
1311 PR tree-optimization/26425
1312 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1313 min/max, then assume its varying.
1315 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1317 PR rtl-optimization/26316
1318 * rtlanal.c (enum may_trap_p_flags): New.
1319 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1320 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1321 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1322 (may_trap_after_code_motion_p): New function.
1323 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1324 (find_invariant_insn): Use may_trap_after_code_motion_p.
1325 * rtl.h (may_trap_after_code_motion_p): Declare.
1327 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1329 * emit-rtl.c (immed_double_const): Cleanup.
1331 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1333 Fix PR tree-optimization/26376
1334 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1337 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1340 * gimplify.c (omp_add_variable): Guard variable size decl test with
1341 DECL_SIZE (decl) check.
1343 2006-02-23 Richard Guenther <rguenther@suse.de>
1346 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1347 like aggregate types.
1349 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1351 * configure.ac: Add --with{,out}-long-double-128 configure option.
1352 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1353 * configure: Rebuilt.
1354 * config.in: Rebuilt.
1355 * doc/install.texi (Options specification): Document
1356 --with-long-double-128.
1358 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1359 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1360 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1361 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1363 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1365 * config/s390/s390.c (override_options): Handle
1366 TARGET_DEFAULT_LONG_DOUBLE_128.
1368 * config/alpha/alpha.c (override_options): Handle
1369 TARGET_DEFAULT_LONG_DOUBLE_128.
1371 * config/sparc/sparc.c (sparc_override_options): Handle
1372 TARGET_DEFAULT_LONG_DOUBLE_128.
1374 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1376 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1377 (real-install-headers-tar, real-install-headers-cpio)
1378 (real-install-headers-cp): New targets.
1380 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1382 * tree.h (variable_section): Delete.
1383 * varasm.c (variable_section): Delete.
1385 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1387 * install.texi: Add notes on install.texi2html.
1388 (Building in parallel): Do not use footnotes.
1390 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1393 * doc/install.texi (Configuration): Document --disable-libgomp.
1395 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1397 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1399 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1401 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1402 (vec_extractv2df_0_sse): New.
1404 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1406 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1407 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1408 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1409 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1410 to the result of the expression.
1411 (def_cfa_1): Adjust.
1412 (frame_pointer_cfa_offset): Rename to...
1413 (frame_pointer_fb_offset): ... this. Adjust all uses.
1414 (convert_cfa_to_loc_list): Rename to...
1415 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1416 Pass it on to build_cfa_loc.
1417 (compute_frame_pointer_to_cfa_displacement): Rename to...
1418 (compute_frame_pointer_to_fb_displacement): ... this. New
1419 offset parameter. Use it in computation.
1420 (gen_subprogram_die): Compute cfa_fb_offset with the new
1421 macro, and use it to compute the fb loc list and the
1424 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1426 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1427 replaced with register_operand.
1428 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1429 non-DREG is expensive.
1430 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1431 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1434 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1436 * doc/install.texi2html: Use set -e.
1438 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1440 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1441 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1442 * doc/invoke.texi (-fshared-data): Delete.
1443 * common.opt (fshared-data): Delete.
1444 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1445 (assemble_static_space): Remove #if 0 code.
1446 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1447 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1448 * config/cris/cris.h: Remove FIXME.
1450 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1452 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1455 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1458 * combine.c (simplify_shift_const_1): Disable nested shifts
1459 optimization for vector shifts.
1461 2006-02-20 Roger Sayle <roger@eyesopen.com>
1463 PR tree-optimization/26361
1464 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1465 of unsigned integer types.
1467 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1469 * tree-chrec.c (eq_evolutions_p): New.
1470 * tree-chrec.h (eq_evolutions_p): Declared.
1471 * tree-data-ref.c: Fix formatting.
1472 (datadep_stats, dependence_stats): New.
1474 (print_direction_vector): New.
1475 (dump_data_dependence_relation): Use print_direction_vector.
1476 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1477 (compute_subscript_distance): Static.
1478 (initialize_data_dependence_relation): Static. Get the number
1479 of loops surrounding the references from the callers, and initialize
1480 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1481 base_object_differ_p analyzers.
1482 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1483 compute_overlap_steps_for_affine_1_2,
1484 analyze_subscript_affine_affine): Count the classified dependences.
1485 Print a message when a test failed.
1486 (can_use_analyze_subscript_affine_affine): New.
1487 (analyze_siv_subscript): Compute the data dependences on symbolic
1488 scevs that verify can_use_analyze_subscript_affine_affine.
1489 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1490 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1491 Handle symbolic scevs.
1492 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1494 (subscript_dependence_tester): Moved...
1495 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1496 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1497 DDR_SIZE_VECT instead of getting it in parameter.
1498 (subscript_dependence_tester): ... here. Take as a parameter
1499 loop_nest_depth. Call build_classic_dist_vector and
1500 build_classic_dir_vector.
1501 (compute_affine_dependence): Update subscript_dependence_tester
1502 parameters. Update datadep_stats counters. Call
1503 compute_subscript_distance.
1504 (compute_self_dependence): Save the dist and dir vectors. Call
1505 compute_subscript_distance.
1506 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1507 (compute_all_dependences): Reorder parameters as they were before
1508 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1509 compute_subscript_distance. Update the use of
1510 compute_affine_dependence and initialize_data_dependence_relation.
1511 (find_data_references_in_loop): Handle COMPONENT_REF.
1512 (compute_data_dependences_for_loop): Initialize dependence_stats.
1513 Don't call build_classic_dist_vector and build_classic_dir_vector.
1514 Update the parameters of initialize_data_dependence_relation and
1515 compute_all_dependences. Print the statistics from datadep_stats.
1516 (analyze_all_data_dependences): Static. Not used until the pass for
1517 checking the data dependences is contributed.
1518 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1519 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1520 (initialize_data_dependence_relation, compute_affine_dependence,
1521 analyze_all_data_dependences, compute_subscript_distance): Removed.
1522 (print_direction_vector): New.
1523 * lambda.h (gcd): ... here.
1524 (lambda_vector_gcd): Moved here from gcd_vector.
1525 * lambda-code.c (gcd, gcd_vector): Removed.
1526 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1527 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1529 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1531 * ipa-type-escape.c: Tidy some comments and white space.
1532 * tree-ssa-operands.c: Likewise.
1534 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1537 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1538 (dump_decl_name): Do not walk the decl tree chains.
1539 * tree-pass.h (TDF_CHAIN): Remove.
1541 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1543 * Makefile.in (C): Remove
1545 (.PHONY): Remove C and PROTO
1547 2006-02-20 Roger Sayle <roger@eyesopen.com>
1550 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1551 deprecated CHAR_TYPE tree code.
1553 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1555 * configure.ac (target_list): Add install-info, dvi, html.
1556 * configure: Regenerate.
1558 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1559 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1560 treelang/Make-lang.in: Do not use double-colon rules.
1562 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1564 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1565 (TMT_USED_ALONE): New macro.
1566 * tree-pass.h (PROP_tmt_usage): New property.
1567 (TODO_update_tmt_usage): New todo.
1568 * tree-ssa-alias.c (updating_used_alone): New variable.
1569 (recalculate_used_alone): New function.
1570 (compute_may_aliases): Set updating_used_alone, call
1571 recalculate_used_alone.
1572 * tree-sra.c (pass_sra): Note that this pass destroys
1573 PROP_tmt_usage, and add TODO_update_tmt_usage.
1574 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1575 * tree-flow.h (updating_used_alone): Prototype.
1576 (recalculate_used_alone): Ditto.
1577 * passes.c (execute_todo): Add code to set updating_used_alone,
1578 and call recalculate.
1579 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1580 for clobber if used alone, and add assert to verify used_alone
1583 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1585 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1586 for non tls symbols added.
1587 (legitimize_address): Do nothing for PLUS expressions if one of the
1588 addends is a tls symbol reference.
1590 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1594 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1596 * Makefile.in (BOOTSTRAPPING): New.
1597 (quickstrap): New definition if BOOTSTRAPPING=yes.
1599 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1600 * configure.ac: Substitute all_selected_languages with the languages
1601 that were configured. For all the other variables except
1602 lang_specs_files, include all the languages in the tree.
1603 * configure: Regenerate.
1605 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1606 if there is one. Run the commands to run fixincludes in the same
1609 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1610 * doc/install.texi: Document exact conventions for searching target tools.
1611 Document --with-build-time-tools. Document toplevel bootstrap. Document
1612 something more about building an Ada cross-compiler. Don't list GNU Make
1613 requirements which affect all platforms.
1615 2006-02-19 Roger Sayle <roger@eyesopen.com>
1618 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1619 only equivalent if the have both the same mode and precision.
1621 2006-02-20 Ben Elliston <bje@au.ibm.com>
1623 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1625 2006-02-19 Roger Sayle <roger@eyesopen.com>
1626 Steven Bosscher <stevenb.gcc@gmail.com>
1628 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1629 constant pool references to identify stack mode constants.
1630 * rtlanal.c (constant_pool_constant_p): New predicate to check
1631 whether operand is a floating point constant in the pool.
1632 * rtl.h (constant_pool_constant_p): Prototype here.
1633 * loop.c (scan_loop): Avoid hoisting constants from the constant
1634 pool on STACK_REGS targets.
1635 (load_mems): Likewise.
1636 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1637 loads into x87 registers expensive in terms of register pressure.
1639 2006-02-19 Roger Sayle <roger@eyesopen.com>
1641 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1642 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1644 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1646 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1647 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1649 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1651 * doc/invoke.texi: Document -fipa-pta.
1652 * common.opt: Add ipa-pta option.
1653 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1654 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1655 (do_ds_constraint): Ditto.
1656 (get_constraint_for): Only add to referenced_vars if
1657 referenced_vars exists.
1658 (insert_into_field_list): Rewrite to do this unsorted.
1659 (insert_into_field_list_sorted): Rename old insert_into_field_list
1661 (create_function_info_for): Use insert_into_field_list_sorted.
1662 (create_variable_info_for): Rewrite so it uses unsorted version,
1663 since the field list is sorted.
1664 (intra_create_variable_infos): Only add to referenced_vars if
1665 referenced_vars exists.
1666 (ipa_pta_execute): Init heapvars, and delete when done.
1667 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1669 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1671 * doc/install.texi: Add missing `@samp'.
1673 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1675 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1678 2006-02-18 Mark Wielaard <mark@klomp.org>
1680 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1681 who added new 4.1 features, bug fixes and integration support.
1683 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1686 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1689 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1691 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1692 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1693 (copy_insn_1): Likewise. Don't copy each field individually.
1695 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1697 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1698 * rtl.c (rtx_size): Rename variable to...
1699 (rtx_code_size): ...this.
1700 (rtx_size): New function.
1701 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1702 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1704 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1705 * rtl.h (rtx_code_size): New variable.
1706 (rtx_size): Change from a variable to a function.
1707 (RTX_SIZE): Rename to...
1708 (RTX_CODE_SIZE): ...this.
1711 PR tree-optimization/17106
1712 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1713 (Anchored Addresses): New section.
1714 * doc/invoke.texi (-fsection-anchors): Document.
1715 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1716 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1717 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1718 * hooks.c (hook_bool_mode_rtx_false): New function.
1719 * hooks.h (hook_bool_mode_rtx_false): Declare.
1720 * gengtype.c (create_optional_field): New function.
1721 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1722 SYMBOL_REF_IN_BLOCK_P is true.
1723 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1724 (min_anchor_offset, max_anchor_offset): Likewise.
1725 (use_anchors_for_symbol_p): New hook.
1726 * toplev.c (compile_file): Call output_object_blocks.
1727 (target_supports_section_anchors_p): New function.
1728 (process_options): Check that -fsection-anchors is only used on
1729 targets that support it and when -funit-at-a-time is in effect.
1730 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1731 if the decl doesn't have one.
1732 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1733 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1734 of force_const_mem through use_anchored_address.
1735 (expand_expr_constant): New function.
1736 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1737 calling expand_expr for INDIRECT_REF.
1738 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1739 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1740 * expr.h (use_anchored_address): Declare.
1741 * loop-unroll.c: Don't declare rtx vectors here.
1742 * explow.c: Include output.h.
1743 (validize_mem): Call use_anchored_address.
1744 (use_anchored_address): New function.
1745 * common.opt (-fsection-anchors): New switch.
1746 * varasm.c (object_block_htab, anchor_labelno): New variables.
1747 (hash_section, object_block_entry_eq, object_block_entry_hash)
1748 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1749 (use_blocks_for_decl_p, change_symbol_section): New functions.
1750 (get_variable_section): New function, split out from assemble_variable.
1751 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1752 use_blocks_for_decl_p say so. Use change_symbol_section if the
1753 symbol has already been created.
1754 (assemble_variable_contents): New function, split out from...
1755 (assemble_variable): ...here. Don't output any code for
1756 block symbols; just pass them to place_block_symbol.
1757 Use get_variable_section and assemble_variable_contents.
1758 (get_constant_alignment, get_constant_section, get_constant_size): New
1759 functions, split from output_constant_def_contents.
1760 (build_constant_desc): Create a block symbol if use_object_blocks_p
1761 says so. Or into SYMBOL_REF_FLAGS.
1762 (assemble_constant_contents): New function, split from...
1763 (output_constant_def_contents): ...here. Don't output any code
1764 for block symbols; just pass them to place_section_symbol.
1765 Use get_constant_section and get_constant_alignment.
1766 (force_const_mem): Create a block symbol if use_object_blocks_p and
1767 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1768 (output_constant_pool_1): Add an explicit alignment argument.
1769 Don't switch sections here.
1770 (output_constant_pool): Adjust call to output_constant_pool_1.
1771 Switch sections here instead. Don't output anything for block symbols;
1772 just pass them to place_block_symbol.
1773 (init_varasm_once): Initialize object_block_htab.
1774 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1775 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1776 (place_block_symbol, get_section_anchor, output_object_block)
1777 (output_object_block_htab, output_object_blocks): New functions.
1778 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1779 (TARGET_ASM_OUT): Include it.
1780 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1781 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1782 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1783 (TARGET_INITIALIZER): Include them.
1784 * rtl.c (rtl_check_failed_block_symbol): New function.
1785 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1786 (block_symbol, object_block): New structures.
1787 (rtx_def): Add a block_symbol field to the union.
1788 (BLOCK_SYMBOL_CHECK): New macro.
1789 (rtl_check_failed_block_symbol): Declare.
1790 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1791 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1792 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1793 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1794 * output.h (output_section_symbols): Declare.
1795 (object_block): Name structure.
1796 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1797 (default_use_anchors_for_symbol_p): Declare.
1798 * Makefile.in (RTL_BASE_H): Add vec.h.
1799 (explow.o): Depend on output.h.
1800 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1801 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1802 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1803 (rs6000_use_blocks_for_constant_p): New function.
1805 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1807 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1809 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1812 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1815 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1817 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1821 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1824 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1825 instead of DECL_REGISTER.
1827 2006-02-18 Olivier Hainque <hainque@adacore.com>
1830 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1832 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1835 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1836 * opth-gen.awk: Handle Var and InverseMask together.
1837 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1838 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1839 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1840 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1842 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1843 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1844 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1845 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1846 LINUX_DYNAMIC_LINKER): Define.
1847 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1848 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1850 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1851 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1852 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1853 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1854 (TARGET_C99_FUNCTIONS): Don't define.
1855 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1856 GLIBC_DYNAMIC_LINKER.
1857 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1858 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1859 GLIBC_DYNAMIC_LINKER64): Define.
1860 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1861 LINUX_DYNAMIC_LINKER64.
1862 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1863 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1864 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1865 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1866 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1867 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1868 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1869 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1870 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1871 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1872 and LINUX_DYNAMIC_LINKER32.
1873 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1874 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1875 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1876 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1877 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1879 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1880 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1881 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1882 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1883 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1884 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1885 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1886 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1887 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1888 LINUX_DYNAMIC_LINKER): Define.
1889 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1890 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1891 GLIBC_DYNAMIC_LINKER64): Define.
1892 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1893 LINUX_DYNAMIC_LINKER64.
1894 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1895 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1896 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1897 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1898 LINUX_DYNAMIC_LINKER): Define.
1899 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1900 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1901 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1902 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1903 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1904 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1905 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1906 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1907 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1908 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1909 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1910 * doc/invoke.texi (-muclibc): Remove caveat about supported
1913 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1915 * doc/cpp.texi (__TIMESTAMP__): Document.
1917 2006-02-17 Roger Sayle <roger@eyesopen.com>
1920 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1921 C is one less than the width of X (and related transformations).
1922 * simplify-rtx.c (simplify_unary_operation_1): Transform
1923 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1924 depending on STORE_FLAG_VALUE, were C is one less then the
1927 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1929 Fix PR tree-optimization/26341
1930 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1931 about NAME_MEMORY_TAG's.
1933 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1936 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1937 with hardware float support, and software float support. Add fcpy
1938 alternative to hardware patterns. Add alternatives to copy between
1939 general and floating-point registers to the 32-bit pattern.
1940 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1941 secondary reload to load a QI or HI mode constant into a floating
1943 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1944 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1946 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1949 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1951 (load_macho_picbase_di): Likewise.
1953 2006-02-16 Jeff Law <law@redhat.com>
1955 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1956 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1957 (ssa_name_nonzero_p): Likewise.
1958 (get_value_range): Return NULL if VRP is not running.
1959 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1960 VRP routines do not discover a range.
1961 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1962 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1963 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1964 (tree_expr_nonnegative_p): Similarly.
1965 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1966 (restore_nonzero_vars_to_original_value): Remove.
1967 (unsafe_associative_fp_binop): Remove.
1968 (tree_ssa_dominator_optimize): Remove initialization and
1969 finalization of nonzero_vars and nonzero_vars_stack.
1970 (dom_opt_initialize_block): No longer push marker on
1972 (dom_opt_finalize_block): No longer call
1973 restore_nonzero_vars_to_original_value.
1974 (record_equivalences_from_phis): No longer look for
1975 nonzero PHI arguments.
1976 (cprop_into_successor_phis): No longer propagate nonzero
1977 property into PHI arguments. Lose unused argument. Caller
1979 (record_equivalences_from_stmt): No longer record nonzero
1980 values for SSA_NAMEs.
1981 (lookup_avail_expr): No longer use nonzero_vars.
1983 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1984 for sizetype when sizetype is unsigned.
1986 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1988 PR rtl-optimization/25603
1989 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1990 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1991 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1992 with new meaning of SETS.
1994 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1999 * config/linux.opt: New file.
2000 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2001 LINUX_DYNAMIC_LINKER): Define.
2002 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
2003 * config.gcc (*-*-linux*): Define extra_options.
2004 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
2005 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
2006 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
2007 GLIBC_DYNAMIC_LINKER.
2008 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
2009 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2010 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2011 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2012 * doc/invoke.texi (GNU/Linux Options): New section.
2014 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2016 * config/sparc/sparc.md (setjmp): Rewrite.
2017 (setjmp_32): Delete.
2018 (setjmp_64): Likewise.
2020 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
2022 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
2025 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2027 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2030 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2032 PR rtl-optimization/26296
2033 * Makefile.in (loop-invariant.c): Add except.h dependency.
2034 * loop-invariant.c: Include except.h.
2035 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2037 2005-02-16 Paul Brook <paul@codesourcery.com>
2039 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2042 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2044 PR rtl-optimization/25636
2045 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2046 when deciding whether an insn is an initializing insn.
2048 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2050 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2051 (tree_code_size): Ditto.
2052 * tree.h (struct tree_memory_tag): Remove parent_var.
2053 (struct tree_struct_field_tag): New.
2056 (union tree_node): Add sft member.
2057 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2059 (create_sft): Add size and offset argument, set SFT_OFFSET and
2061 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2062 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2063 * tree-flow-inline.h (get_subvar_at): Update for
2064 SFT_OFFSET/SFT_SIZE.
2065 (var_can_have_subvars): Ditto.
2066 (overlap_subvar): Ditto.
2067 * print-tree.c (print_node): Print out interesting things for
2069 * tree-flow.h (struct subvar): Remove offset and size members.
2070 * tree-ssa-operands.c (get_expr_operands): Update for
2071 get_indirect_ref_operands changes.
2072 (get_indirect_ref_operands): Call add_virtual_operand instead of
2073 add_stmt_operand. Only recurse on base var if requested.
2074 (access_can_touch_variable): New function.
2075 (add_stmt_operand): Split virtual operand handling into ...
2076 (add_virtual_operand): Here. Add offset, size, and for_clobber
2077 arguments. Prune alias sets.
2078 (add_call_clobber_ops): Call add_virtual_operand.
2080 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2083 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2085 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2086 than TREE_CODE as index into omp_clause_num_ops array.
2088 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2090 PR rtl-optimization/26184
2091 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2093 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2094 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2095 must_precede, must_follow and tobe_scheduled.
2098 * opts.c (common_handle_option): Free new_option pointer.
2099 * df-core.c (df_analyze): Free postorder pointer.
2101 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2103 * Makefile.in: Fix the examples about the use of stamps
2105 2006-02-15 Michael Matz <matz@suse.de>
2109 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2110 influenced by maximum_field_alignment or DECL_PACKED.
2111 (update_alignment_for_field): Ditto.
2112 (place_field): Ditto.
2113 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2116 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2118 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2119 (debug_flow_info): Pass it.
2120 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2121 * bb-reorder.c (reorder_basic_blocks): Likewise.
2122 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2123 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2124 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2125 * gcse.c (gcse_main, bypass_jumps): Likewise.
2126 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2127 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2128 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2129 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2130 * rtl.h (dump_flow_info): Adjust prototype.
2131 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2132 * var-tracking.c (variable_tracking_main): Likewise.
2133 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2134 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2137 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2139 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2142 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2144 PR tree-optimization/26209
2145 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2146 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2148 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2150 2006-02-14 Roger Sayle <roger@eyesopen.com>
2153 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2154 (X,Y) and the corresponding symmetry related transformations.
2155 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2156 (X,Y) and its symmetry related transformations.
2158 2006-02-14 Roger Sayle <roger@eyesopen.com>
2160 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2163 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2165 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2167 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2170 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2171 support COMDAT group.
2172 * configure: Regenerate.
2174 2006-02-14 Roger Sayle <roger@eyesopen.com>
2179 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2181 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2183 Fix PR tree-optimization/26260
2185 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2187 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2188 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2189 * tree-ssa-structalias.c (create_variable_info_for): Use
2190 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2192 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2194 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2196 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2197 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2198 of the ending condition.
2199 * tree-ssa-loop-manip.c: Include params.h.
2200 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2201 tree_unroll_loop): New functions.
2202 * tree-pass.h (pass_loop_prefetch): Declare.
2203 * loop.c (rest_of_handle_loop_optimize): Test for
2204 -fprefetch-loop-arrays-rtl.
2205 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2206 * timevar.def (TV_TREE_PREFETCH): New timevar.
2207 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2208 pass_loop_prefetch): New.
2209 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2210 (cleanup_tree_cfg_loop): Call scev_reset.
2211 * common.opt (fprefetch-loop-arrays-rtl): Add.
2212 * tree-ssa-loop-prefetch.c: New file.
2213 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2214 (new_temp_expr_table): Initialize expr_vars.
2215 (free_temp_expr_table): Cleanup expr_vars.
2216 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2217 expressions from being merged into one.
2218 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2219 (struct tree_niter_desc): Add control, bound and cmp fields.
2220 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2222 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2223 (tree-cfgcleanup.o): Add SCEV_H dependency.
2224 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2225 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2227 2006-02-14 Richard Guenther <rguenther@suse.de>
2229 PR tree-optimization/26258
2230 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2231 in PHI argument processing.
2233 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2235 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2236 new expression in the requested machine mode.
2238 2006-02-13 Roger Sayle <roger@eyesopen.com>
2240 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2241 directly, instead let do_compare_rtx_and_jump handle this for us.
2242 * expr.c (expand_expr_real_1): Likewise.
2243 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2244 before do_jump_by_parts_greater.
2245 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2246 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2248 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2250 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2252 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2254 PR rtl-optimization/26235
2255 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2256 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2259 2006-02-13 Jeff Law <law@redhat.com>
2261 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2264 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2267 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2268 twice if decl is a builtin. When trying again, call get_callee_fndecl
2269 first to verify it is still a builtin.
2271 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2273 * dwarf2out.c (base_type_die): Don't add AT_name here.
2274 (subrange_type_die): Don't add AT_name here.
2275 (modified_type_die): Rearrange code flow. Do add AT_name here.
2277 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2279 PR rtl-optimization/26247
2280 PR rtl-optimization/26248
2281 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2283 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2285 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2286 * config/fixtfdi.c: Likewise.
2287 * config/fixunstfdi.c: Likewise.
2288 * config/floatditf.c: Likewise.
2290 2006-02-13 Roger Sayle <roger@eyesopen.com>
2293 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2294 into (X,C2) if C1 is a subset of the bits of C2. Transform
2295 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2297 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2299 2006-02-13 Josh Conner <jconner@apple.com>
2302 * varasm.c (function_section): Check for section name before
2303 calling select_section on targets that define
2304 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2305 unlikely_text_section instead of hot_function_section if
2306 first_function_block_is_cold.
2308 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2311 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2313 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2315 PR rtl-optimization/26222
2316 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2317 after tree->rtl expansion.
2318 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2319 before passing it to emit_move_insn.
2321 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2323 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2325 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2326 Clarify documentation.
2327 * c-common.h (warn_write_strings): Remove.
2328 * c-common.c (warn_write_strings): Likewise.
2329 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2332 2006-02-12 Roger Sayle <roger@eyesopen.com>
2335 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2336 (do_jump_parts_zero_rtx): New function renamed from
2337 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2338 (do_jump_parts_equality_rtx): New function split out from
2339 do_jump_parts_equality. Old implementation renamed as above.
2340 Call do_jump_parts_zero_rtx if either operand is zero.
2341 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2342 do all of the heavy lifting.
2343 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2344 calling either do_jump_by_parts_greater_rtx or
2345 do_jump_by_parts_equality_rtx.
2346 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2347 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2348 moved to do_compare_rtx_and_jump, call it directly.
2349 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2350 mode argument. Call do_compare_rtx_and_jump.
2351 (emit_case_nodes): Update calls to do_jump_if_equal.
2353 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2355 PR rtl-optimization/26225
2356 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2358 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2360 PR rtl-optimization/26232
2361 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2363 2006-02-11 Jason Merrill <jason@redhat.com>
2366 * tree-inline.c (declare_return_variable): Just don't use the
2367 modify target if it's a gimple complex reg and the return slot
2370 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2372 * doc/contrib.texi: Update my entry.
2374 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2376 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2378 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2380 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2383 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2385 * doc/invoke.texi (-floop-optimize2): Removed.
2386 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2387 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2388 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2389 * common.opt (floop-optimize2): Removed.
2390 (fmove-loop-invariants): Enabled by default.
2392 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2394 * tree-if-conv.c (combine_blocks): Free the result of
2395 get_loop_exit_edges.
2397 2006-02-10 Jeff Law <law@redhat.com>
2399 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2401 PR tree-optimization/26213
2402 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2403 loop trying to follow SSA_NAME_VALUE chains.
2405 2006-02-10 Richard Guenther <rguenther@suse.de>
2407 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2408 deal with structures that end in implicitly variable sized arrays.
2410 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2412 PR rtl-optimization/24762
2413 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2416 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2418 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2419 (struct ivopts_data): Add regs_used field.
2420 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2421 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2422 instead of loop_data->regs_used;
2423 (free_loop_data): Do not free aux fields for loops.
2424 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2425 and tree_ssa_iv_optimize_finalize.
2427 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2429 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2431 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2434 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2435 computing the effective result type.
2437 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2440 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2441 (tree_overlaps_hard_reg_set): Declare.
2442 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2443 type and signature to match function type expected by walk_tree.
2444 (tree_overlaps_hard_reg_set): New function.
2445 (decl_conflicts_with_clobbers_p): Rename to:
2446 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2447 Use tree_overlaps_hard_reg_set. Changed caller.
2448 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2449 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2450 * cris.c (cris_md_asm_clobbers): Likewise.
2452 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2454 * reload1.c (emit_input_reload_insns): Delete code that tries to
2455 inherit using find_equiv_reg.
2457 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2459 * c-common.h (flag_const_strings): Don't declare.
2460 * c-common.c (flag_const_strings): Remove.
2461 * c.opt (fconst_strings): Remove.
2462 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2463 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2464 (c_common_init_options): Don't set flag_const_strings.
2465 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2467 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2469 * arm.md (tlobits_cbranch): New pattern.
2470 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2471 testing a single bit.
2473 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2476 * tree-ssa-pre.c (create_component_ref_by_pieces):
2477 Handle RETURN_DECL like VAR_DECL.
2479 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2482 * fold-const.c (fold_indirect_ref_1): Fold
2483 "*(foo *)&complexfoo" to "__real__ complexfoo"
2484 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2486 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2488 * tree-flow-inline.h (var_can_have_subvars):
2489 Volatile variables should not have subvariables.
2491 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2494 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2495 multiplying unsigned values.
2498 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2500 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2502 2006-02-08 Jason Merrill <jason@redhat.com>
2505 * tree.def: Elaborate on difference from MODIFY_EXPR.
2506 * doc/c-tree.texi (INIT_EXPR): Likewise.
2507 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2508 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2509 (gimplify_target_expr): Likewise.
2510 (gimplify_cond_expr): Remove target handling.
2511 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2512 (gimplify_expr): Clobber it here.
2513 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2514 Do return slot optimization if we have an INIT_EXPR.
2517 * tree-inline.c (declare_return_variable): Also clear
2518 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2521 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2524 * gimplify.c (gimplify_one_sizepos): Fix typo.
2526 2006-02-08 Jeff Law <law@redhat.com>
2528 PR tree-optimization/21417
2529 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2530 across a backedge if the control statement at the end of the
2531 block is data dependent on other statements in the same block.
2532 (record_temporary_equivalences_from_stmts): Remove over-conservative
2533 test for threading across backedges.
2535 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2536 control statement, handle all three special cases in the same
2537 manner as they all have the same desired solution. No longer
2538 special case edge flag updating when the post dominator is
2541 2006-02-08 Roger Sayle <roger@eyesopen.com>
2543 * tree.def (CHAR_TYPE): Remove.
2544 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2545 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2546 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2547 (gen_string_type_die): Delete unreachable function.
2549 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2550 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2551 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2552 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2553 * builtins.c (type_to_class): Likewise.
2554 * fold-const.c (fold_convert, build_range_check,
2555 merge_ranges): Likewise.
2556 * expr.c (count_type_elements): Likewise.
2557 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2558 * stor-layout.c (layout_type): Likewise.
2559 * ipa-type-escape.c (type_to_consider): Likewise.
2560 * gimplify.c (omp_firstprivatize_type_sizes,
2561 gimplify_type_sizes): Likewise.
2562 * explow.c (promote_mode): Likewise.
2563 * tree-sra.c (is_sra_scalar_type): Likewise.
2564 * varasm.c (output_constant): Likewise.
2565 * tree-inline.c (remap_type_1): Likewise.
2566 * convert.c (convert_to_pointer, convert_to_real,
2567 convert_to_integer, convert_to_complex): Likewise.
2569 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2571 * df-scan.c (df_def_record_1): A set destination may
2572 be a parallel regardless of mode.
2574 2006-02-08 Roger Sayle <roger@eyesopen.com>
2577 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2578 * config/mips/_tilib.c: Remove.
2579 * config/fixtfdi.c: New libgcc source file.
2580 * config/fixunstfdi.c: New source file.
2581 * config/floatditf.c: New source file.
2582 * config/floatunditf.c: New souce file.
2583 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2584 files above instead of config/mips/_tilib.c.
2585 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2587 2006-02-08 Jeff Law <law@redhat.com>
2589 PR tree-optimization/26169
2590 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2593 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2595 * df.h (DF_REG_SIZE): Return the length of the initialized
2598 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2600 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2601 __muldf3): Return a correctly signed zero.
2603 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2605 * passes.c (register_one_dump_file): Accept the current properties
2606 instead of pass number. Adjust call to dump_register. Remove
2608 (register_dump_files): Now a wrapper around...
2609 (register_dump_files_1): ... this one. Do not modify the pass
2611 (next_pass_1): Cosmetic fix.
2612 (execute_todo): Keep second parameter only. Use curr_properties
2613 instead of fetching it from the pass structure. Check and set
2615 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2616 instead of fetching it from the pass structure. Fix calls to
2617 execute_todo. Update curr_properties and initialize .vcg RTL dump
2618 after running the pass. Reset last_verified.
2619 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2621 (FIRST_AUTO_NUMBERED_DUMP): New.
2622 (dump_register): Remove "num" parameter, assign it within the
2624 (get_dump_file_name): Modify template for dumps.
2625 * tree-dump.h (dump_register): Adjust prototype.
2626 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2627 (PROP_trees): Add PROP_gimple_lomp.
2628 (TODO_set_props): New.
2629 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2630 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2631 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2633 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2635 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2636 (sparc64-*-linux*): Likewise.
2637 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2638 * config/sparc/t-linux: New file.
2639 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2640 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2641 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2642 -m32 -mlong-double-128.
2644 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2645 * config/alpha/t-linux: New file.
2646 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2648 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2649 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2650 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2651 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2652 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2653 (CPP_ARCH32_SPEC): Remove.
2655 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2657 PR tree-optimization/26145
2658 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2661 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2664 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2665 >= 240000 when generating code for SOM runtime.
2666 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2667 to $$dyncall when generating code for SOM runtime..
2669 2006-02-07 Dirk Mueller <dmueller@suse.com>
2672 * doc/invoke.texi (-Wsequence-point): Update documentation
2673 that -Wsequence-point is implemented for C++ as well.
2675 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2677 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2678 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2679 (LIB_SPEC): Likewise.
2680 * doc/invoke.texi (SPARC options): Document -pthread.
2682 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2684 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2687 2006-02-07 Roger Sayle <roger@eyesopen.com>
2689 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2690 Correct comment describing BOOLEAN_TYPE.
2692 2006-02-07 Dirk Mueller <dmueller@suse.com>
2694 * c.opt: C++ frontend supports -Wdiv-by-zero.
2695 * c-opts.c (c_common_handle_option): Remove dead case.
2697 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2699 * configure.ac (TLS assembler check): Do not enable TLS by
2700 default on SPARC/Solaris before version 10.
2701 * configure: Regenerate.
2703 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2705 * doc/invoke.texi (xl-compat): Document conversion and support
2708 2006-02-07 Jeff Law <law@redhat.com>
2710 * tree-vrp.c (find_conditional_asserts): Update comments.
2711 (simplify_stmt_for_jump_threading): New.
2712 (identify_jump_threads, finalize_jump_threads): New.
2713 (vrp_finalize): Call identify_jump_threads.
2714 (execute_vrp): Call finalize_jump_threads.
2715 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2716 (vrp_element, vrp_data, vrp_element_p): Remove.
2717 (vrp_hash_elt, vrp_variables_stack): Remove.
2718 (vrp_hash, vrp_eq, record_range): Remove.
2719 (simplify_cond_and_lookup_avail_expr): Remove.
2720 (extract_range_from_cond): Remove.
2721 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2722 (simplify_stmt_for_jump_threading): New.
2723 (dom_thread_across_edge): New wrapper.
2724 (tree_ssa_dominator_optimize): No longer initialize or
2725 finalize any of the VRP datastructures. Remove iteration
2726 step and simplify as a result of removal of iteration step.
2727 (pass_dominator): Perform a cfg cleanup after DOM.
2728 (dom_opt_finalize_block): Use the new common routines
2729 for threading jumps. Simplify stack management slightly.
2730 No longer need to unwind VRP state.
2731 (record_equivalences_from_incoming_edge): No longer record
2733 (eliminate_redundant_computations): No longer call
2734 simplify_cond_and_lookup_avail_expr.
2735 * tree-flow.h (potentially_threadable_block): Prototype.
2736 (thread_across_edge): Likewise.
2737 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2738 (tree-ssa-threadedge.o): Add dependencies.
2739 * tree-ssa-threadedge.c: New file.
2740 * passes.c (init_optimization_passes): Merge PHIs before
2741 calling VRP. Run VRP again late in the SSA optimization pipeline.
2743 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2745 * df-core.c (df_set_blocks): Do not dereference function pointers.
2746 (df_finish1): Likewise.
2747 (df_hybrid_search_forward): Likewise.
2748 (df_hybrid_search_backward): Likewise.
2749 (df_iterative_dataflow): Likewise.
2750 (df_analyze_problem): Likewise.
2751 (df_compact_blocks): Likewise.
2752 (df_dump): Likewise.
2753 * df-scan.c (df_rescan_blocks): Likewise.
2754 (df_record_entry_block_defs): Likewise.
2756 * genconditions.c (write_conditions): Guard the definition of
2757 'insn_conditions' with the check on GCC version.
2758 (write_writer): Guard the traversal 'insn_conditions' with
2759 the check on GCC version.
2761 2006-02-07 Richard Guenther <rguenther@suse.de>
2765 2006-01-30 Richard Guenther <rguenther@suse.de>
2767 * gimplify.c (gimplify_target_expr): Handle easy cases
2768 without creating a temporary.
2770 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2772 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2773 use of float in probability computations. Use edge probabilities
2774 in place of statically computed probabilities.
2775 (min_spec_prob): New static variable.
2776 (schedule_insns): Initialize it.
2777 (GET_SRC_PROB): Removed.
2778 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2780 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2783 * config/ia64/unwind-ia64.c: Revert last change.
2784 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2785 (INCOMING_FRAME_SP_OFFSET): Define.
2787 2006-02-06 Roger Sayle <roger@eyesopen.com>
2789 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2791 2006-02-07 Ben Elliston <bje@au.ibm.com>
2793 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2794 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2795 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2796 (ix86_return_in_memory): Handle TDmode.
2797 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2798 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2800 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2802 * reorg.c (dbr_schedule): Use dump_file instead of file.
2804 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2807 * config/ia64/predicates.md (extr_len_operand): New predicate.
2808 * config/ia64/ia64.md (extv): Tighten constraints.
2810 (*tbit_and_2): Ditto.
2811 (*tbit_and_3): Ditto.
2812 (*tbit_or_2): Ditto.
2813 (*tbit_or_3): Ditto.
2817 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2820 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2822 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2824 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2825 loop_optimizer_init and loop_optimizer_finalize
2826 * tree-ssa-sink.c (execute_sink_code): Ditto.
2827 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2828 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2829 tree_ssa_loop_done): Ditto.
2830 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2831 * sched-ebb.c: Include output.h.
2832 (schedule_ebbs): Do not use dump argument.
2833 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2834 * loop.c (loop_dump_stream): Removed.
2835 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2837 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2838 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2839 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2840 loop_iterations, strength_reduce, record_biv, record_giv,
2841 final_giv_value, check_final_value, check_ext_dependent_givs,
2842 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2843 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2844 dump_file instead of loop_dump_stream.
2845 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2847 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2849 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2850 * haifa-sched.c: Include output.h
2851 (schedule_insns, sched_init): Do not use dump argument.
2852 * mode-switching.c (optimize_mode_switching): Ditto.
2853 * modulo-sched.c (stats_file): Removed.
2854 (print_node_sched_params): Do not call argument dump_file.
2855 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2856 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2858 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2860 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2861 rtl_loop_init, rtl_loop_done): Ditto.
2862 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2863 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2865 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2866 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2867 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2868 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2869 * emit-rtl.c (renumber_insns): Ditto.
2870 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2871 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2872 * regclass.c (regclass): Ditto.
2873 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2874 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2875 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2876 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2878 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2879 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2881 * gcse.c (gcse_file, debug_stderr): Removed.
2882 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2883 rest_of_handle_gcse): Do not use dump argument.
2884 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2885 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2886 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2887 compute_code_hoist_vbeinout, compute_code_hoist_data,
2888 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2889 compute_store_table, build_store_vectors, insert_insn_start_bb,
2890 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2891 store_motion): Use dump_file instead of gcse_file.
2892 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2893 * profile.c (profile_dump_file): Removed.
2894 (branch_prob): Use dump_file instead of profile_dump_file.
2895 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2897 * tree-ssa-copy.c (dump_copy_of): Ditto.
2898 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2899 dump file to life_analysis.
2900 * bt-load.c (branch_target_load_optimize): Ditto.
2901 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2903 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2904 regclass, dbr_schedule): Declaration changed.
2905 * sched-int.h (sched_init): Declaration changed.
2906 * tree-profile.c (tree_profile_dump_file): Removed.
2907 (tree_profile_hooks): Removed profile_dump_file hook.
2908 * rtl-profile (rtl_profile_dump_file): Removed.
2909 (rtl_profile_hooks): emoved profile_dump_file hook.
2910 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2912 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2913 * tree-cfg.c (build_tree_cfg): Ditto.
2914 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2915 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2916 Declaration changed.
2917 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2918 life_analysis and schedule_insns.
2919 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2921 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2923 * config/mips/mips.c (mips_reorg): Ditto.
2924 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2927 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2929 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2930 (s390_mangle_fundamental_type): New.
2931 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2934 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2935 (alpha_mangle_fundamental_type): New.
2936 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2939 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2941 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2943 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2944 (sparc_mangle_fundamental_type): New.
2946 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2948 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2949 (s390x-*-linux*): Likewise.
2950 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2951 * config/s390/t-linux: New file.
2953 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2955 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2956 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2958 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2960 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2961 (ANTIC_SAFE_LOADS): New macro.
2962 (find_or_generate_expression): Add prototype.
2963 (set_contains_value): Allow null set for sake of not always having
2964 to allocate ANTIC_SAFE_LOADS.
2965 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2966 Allow COMPONENT_REF too.
2967 (valid_in_set): Allow COMPONENT_REF.
2968 Check ANTIC_SAFE_LOADS too.
2969 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2970 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2972 (can_PRE_operation): Add COMPONENT_REF.
2973 (create_component_ref_by_pieces): New function.
2974 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2975 (insert_aux): Move AGGREGATE_TYPE_P check here.
2976 (compute_avail): Set bb local stmt uids.
2977 (pass_pre): Use TODO_update_ssa_only_virtuals.
2979 2006-02-06 Ben Elliston <bje@au.ibm.com>
2981 * configure.ac: Unconditionally disable decimal float by default.
2982 * configure: Regenerate.
2984 2006-02-06 Ben Elliston <bje@au.ibm.com>
2986 * read-rtl.c (read_name): Terminate reading on EOF.
2988 2006-02-06 Ben Elliston <bje@au.ibm.com>
2990 * dfp.c (decimal_real_arithmetic): Change second argument type
2991 from int to enum tree_code. Do not always return true, but now
2992 return result of any call to decimal_do helper functions.
2993 * dfp.h (decimal_real_arithmetic): Update prototype.
2995 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2997 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2999 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
3002 * tree-cfg.c (cleanup_dead_labels): Also don't remove
3005 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3007 * tree-vrp.c (cfg_loops): Removed.
3008 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
3009 Use current_loops instead of cfg_loops. Pass flags to
3010 loop_optimizer_init.
3011 * cfgloopmanip.c (fix_loop_structure): Update only available
3013 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
3014 loop_optimizer_init.
3015 * modulo-sched.c (build_loops_structure): Removed.
3016 (sms_schedule): Use loop_optimizer_init.
3017 * loop-init.c (loop_optimizer_init): Use flags to determine
3018 which properties of loops to prepare.
3019 (rtl_loop_init): Pass flags to loop_optimizer_init.
3020 * tree-ssa-sink.c (execute_sink_code): Ditto.
3021 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3022 * tree-ssa-pre.c (init_pre): Ditto.
3023 * cfgloop.h (LOOPS_NORMAL): New.
3024 (loop_optimizer_init): Declaration changed.
3026 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3028 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3029 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3031 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3033 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3035 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3036 * pa/t-pa64: Delete quadlib.c rule.
3037 * pa/x-ada: Revert last change.
3038 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3040 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3042 PR rtl-optimization/26087
3043 * rtlanal.c (canonicalize_condition): Do not cross basic block
3046 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3049 * config/ia64/ia64.c: Include debug.h.
3050 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3051 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3052 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3053 (process_epilogue, process_set, process_for_unwind_directive):
3054 Output unwind info only if requested. Add CFA info if requested.
3055 Add new arguments as needed. Adjust callers.
3056 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3058 (DWARF2_FRAME_INFO): Define to zero.
3059 * config/ia64/unwind-ia64.c: Remove code that compensated for
3060 the CFA offset error fixed above.
3061 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3062 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3063 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3064 -funwind-tables and -fexceptions to enable frame info.
3065 (dwarf2out_frame_init): Define initial CFA even if
3066 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3067 DWARF2_UNWIND_INFO is nonzero, not just defined.
3068 (dwarf2out_frame_finish): Output non-EH call frame info only
3069 if DWARF2_FRAME_INFO is nonzero.
3070 (convert_cfa_to_loc_list,
3071 compute_frame_pointer_to_cfa_displacement): Define even if
3072 unwind info is not supported.
3073 (gen_subprogram_die): Use the above unconditionally. Remove
3074 legacy alternate code.
3075 * toplev.c (compile_file): Compile in call to
3076 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3077 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3079 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3080 Jakub Jelinek <jakub@redhat.com>
3082 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3083 IBM extended float format long double as "g" on powerpc*-linux.
3085 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3088 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3089 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3091 2006-02-03 Jason Merrill <jason@redhat.com>
3094 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3097 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3098 on the return slot if it's an NRV.
3100 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3102 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3103 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3104 rewrite_use): Do not handle USE_OUTER.
3105 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3106 add_iv_outer_candidates, may_replace_final_value,
3107 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3108 (find_interesting_uses_op): Functionality of
3109 find_interesting_uses_outer_or_nonlin moved here.
3110 (find_interesting_uses_outside): Use find_interesting_uses_op.
3112 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3115 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3117 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3118 Ulrich Weigand <uweigand@de.ibm.com>
3121 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3122 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3123 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3124 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3126 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3127 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3128 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3129 Define secondary reloads for TFmode moves.
3130 (constant_modes): Add TFmode.
3131 (NR_C_MODES): Set to 8.
3132 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3134 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3135 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3136 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3137 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3138 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3139 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3140 (FPR mode macro): Add TFmode.
3141 (DSF mode macro): New.
3142 (<de>, <dee> mode attributes): Removed.
3143 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3144 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3145 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3146 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3147 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3148 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3149 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3150 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3151 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3152 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3153 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3154 "*negabs<mode>2", "sqrt<mode>2"):
3155 Changed <de> to <xde>. R constraint replaced by <Rf>.
3156 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3158 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3159 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3160 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3162 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3163 "extenddftf2", "extendsftf2"): New expanders.
3164 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3165 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3166 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3167 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3169 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3170 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3171 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3172 __floatditf): Add a GCC_4.1.0 symbol version tag.
3173 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3176 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3179 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3180 Use targetm.binds_local_p instead of TREE_PUBLIC.
3182 2006-02-02 Roger Sayle <roger@eyesopen.com>
3184 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3185 on INTEGER_TYPEs to indicate that it denotes a character type.
3186 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3187 signed_char_type_node, unsigned_char_type_node and char_type_node.
3188 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3189 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3190 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3192 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3193 Daniel Berlin <dberlin@dberlin.org>
3195 * tree-tailcall.c (arg_needs_copy_p): New function.
3196 (eliminate_tail_call): Use arg_needs_copy_p.
3197 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3198 (add_virtual_phis): New function.
3200 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3202 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3203 #ignore instead of #scratch for %g7 .register directive.
3205 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3207 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3210 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3212 * flow.c (calculate_global_regs_live): Assert that there aren't any
3215 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3217 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3219 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3220 bsi_after_labels iterator.
3221 * tree-if-conv.c (find_phi_replacement_condition,
3222 replace_phi_with_cond_modify_expr): Likewise.
3223 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3224 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3226 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3228 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3230 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3233 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3234 array after growing it.
3236 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3239 * fold-const.c (fold_checksum_tree): Change type of buf.
3241 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3243 * reload.c (push_secondary_reload): Initialize t_icode.
3245 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3247 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3248 -msoft-float -mlong-double-128 only issue a warning, but don't
3249 swich to DFmode long double.
3251 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3253 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3254 has a constant equivalent, iterate over equivalents for arg0,
3255 calling simplify_relational_operation and if there's a result
3256 cheaper than X, apply fold_rtx and return the result.
3258 2006-02-01 Jan Hubicka <jh@suse.cz>
3260 * opts.c (no_unit_at_a_time_default): New global variable.
3261 (decode_options): Use it.
3262 * opts.h (no_unit_at_a_time_default): Declare.
3264 2006-02-01 Paul Brook <paul@codesourcery.com>
3266 * function.c (assign_parm_setup_reg): Use function argument promotion
3268 * expr.c (expand_expr_real_1): Use function argument promotion rules
3271 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3273 * gcc.c (process_command): Change j to 'unsigned int'.
3275 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3278 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3279 Use the corrected index for the character
3280 out of the string constant.
3282 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3284 * mode-switching.c (optimize_mode_switching): Fix size
3285 allocated for bb_info[n_entities].
3287 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3289 * gcc.c (main): Correct type that is allocated for
3290 explicit_link_files.
3292 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3294 * config/s390/s390.c (init_alignment_context): Set
3295 ALIAS_SET_MEMORY_BARRIER on the MEM.
3296 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3298 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3301 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3303 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3306 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3308 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3309 * regrename.c: Ditto.
3310 * tree-ssa-loop-im.c: Ditto.
3311 * tree-dump.c: Ditto.
3312 * tree-complex.c: Ditto.
3313 * genrecog.c: Ditto.
3314 * tree-ssa-threadupdate.c: Ditto.
3316 * java/class.c: Ditto.
3317 * java/jcf-parse.c: Ditto.
3318 * java/resource.c: Ditto.
3319 * java/except.c: Ditto.
3320 * java/jvspec.c: Ditto.
3321 * java/jcf-write.c: Ditto.
3322 * java/jcf-path.c: Ditto.
3323 * java/gjavah.c: Ditto.
3324 * java/zextract.c: Ditto.
3325 * java/jcf-io.c: Ditto.
3326 * java/jcf.h: Ditto.
3327 * java/buffer.c: Ditto.
3328 * java/lang.c: Ditto.
3329 * java/parse-scan.y: Ditto.
3330 * java/lex.c: Ditto.
3331 * java/lex.h: Ditto.
3332 * cfgloopmanip.c: Ditto.
3333 * postreload-gcse.c: Ditto.
3334 * tree-ssa-loop-manip.c: Ditto.
3335 * postreload.c: Ditto.
3336 * tree-ssa-loop-ch.c: Ditto.
3340 * diagnostic.c: Ditto.
3342 * genoutput.c: Ditto.
3344 * cfghooks.c: Ditto.
3345 * cfgloopanal.c: Ditto.
3346 * objc/objc-act.c: Ditto.
3348 * genextract.c: Ditto.
3349 * genautomata.c: Ditto.
3350 * pretty-print.c: Ditto.
3352 * cgraphunit.c: Ditto.
3355 * haifa-sched.c: Ditto.
3356 * dominance.c: Ditto.
3358 * tree-ssa-loop-ivopts.c: Ditto.
3360 * mode-switching.c: Ditto.
3361 * modulo-sched.c: Ditto.
3363 * ipa-pure-const.c: Ditto.
3365 * fix-header.c: Ditto.
3367 * tree-stdarg.c: Ditto.
3368 * ipa-utils.c: Ditto.
3369 * loop-init.c: Ditto.
3370 * ipa-inline.c: Ditto.
3373 * alloc-pool.c: Ditto.
3374 * dwarf2out.c: Ditto.
3376 * genattrtab.c: Ditto.
3377 * tree-ssa-loop-ivcanon.c: Ditto.
3381 * fortran/gfortranspec.c: Ditto.
3383 * local-alloc.c: Ditto.
3384 * langhooks.c: Ditto.
3385 * function.c: Ditto.
3386 * tree-vectorizer.c: Ditto.
3388 * ipa-type-escape.c: Ditto.
3390 * tree-if-conv.c: Ditto.
3393 * tree-data-ref.c: Ditto.
3394 * loop-unroll.c: Ditto.
3395 * treelang/treetree.c: Ditto.
3398 * ggc-common.c: Ditto.
3400 * coverage.c: Ditto.
3402 * tree-cfgcleanup.c: Ditto.
3403 * tree-ssa-pre.c: Ditto.
3404 * cfgcleanup.c: Ditto.
3405 * loop-invariant.c: Ditto.
3407 * ipa-prop.c: Ditto.
3408 * print-tree.c: Ditto.
3409 * conflict.c: Ditto.
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