1 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3 * function.h (frame_offset_overflow): Declare.
4 * function.c (frame_offset_overflow): New function.
5 (assign_stack_local_1): Call it to detect that the offset overflows.
6 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10 * config/sh/sh.c: Include alloc-pool.h.
11 (label_ref_list_pool): New alloc pool.
12 (label_ref_list_t): New type for lists of labels.
13 (struct pool_node): Make wend a label_ref_list_t.
14 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16 (dump_table): Likewise.
17 (sh_reorg): Set up the alloc pool before using add_constant and
18 dump_table, and destroy it when finishing.
20 2006-03-11 Richard Sandiford <richard@codesourcery.com>
22 * config/mips/mips.c: Remove redundant comment.
24 2006-03-10 Jason Merrill <jason@redhat.com>
27 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
28 the target was declared 'register'.
30 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
32 * genpreds.c (write_insn_constraint_len): Change definition of
33 insn_constraint_len to return size_t to match the declaration.
35 2006-03-10 DJ Delorie <dj@redhat.com>
37 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
39 (m32c_expand_insv): Fix test for an AND mask.
41 2006-03-10 Richard Guenther <rguenther@suse.de>
44 * builtins.c (get_pointer_alignment): Handle component
45 references for field alignment.
47 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
49 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
50 when building with libgloss.
51 (sh*elf): Implement --without-fp option.
52 (sh64-superh-linux*): Don't multilib.
54 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
56 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
58 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
60 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
61 Set it when one of the replacement functions returned true.
62 Return TODO_cleanup_cfg if cfgchanged is true.
63 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
65 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
67 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
68 instead of gen_lowpart.
70 2006-03-09 Richard Sandiford <richard@codesourcery.com>
72 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
74 (mips_output_order_conditional_branch): Declare.
75 * config/mips/mips.h (MIPS_BRANCH): New macro.
76 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
77 for the comparison. Use gen_condjump.
78 (mips_output_conditional_branch): Rework interface to take the
79 asm templates for a direct branch and the inverse of a direct branch.
80 (mips_output_order_conditional_branch): New function.
81 (mips_builtin_branch_and_move): New function.
82 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
83 branch condition. Use gen_single_cc as the condition for
84 __builtin_mips_upper_* or __builtin_mips_lower_*.
85 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
86 Use VOIDmode for the branch condition.
87 * config/mips/predicates.md (order_operator): New predicate.
88 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
89 (branch_fp): Rename to...
90 (*branch_fp): ...this. Remove mode from comparison operator.
91 Use new mips_output_conditional_branch interface.
92 (branch_fp_inverted): Rename to...
93 (*branch_fp_inverted): ...this and update as for *branch_fp.
94 (*branch_zero<mode>): Rename to...
95 (*branch_order<mode>): ...this. Remove mode from comparison operator.
96 Use mips_output_order_conditional_branch. Only accept ordered
98 (*branch_zero<mode>_inverted): Rename to...
99 (*branch_order<mode>_inverted): ...this and update as for
101 (*branch_equality<mode>): Accept zero as the second operand to
102 the equality operator. Use the new mips_output_conditional_branch
104 (*branch_equality<mode>_inverted): Likewise.
105 (condjump): New expander.
106 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
108 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
109 (bc1any2t, bc1any2f): Likewise.
110 (single_cc): New expander.
111 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
113 2006-03-09 Richard Sandiford <richard@codesourcery.com>
115 * doc/md.texi: Update documentation of MIPS constraints.
116 * config/mips/constraints.md: New file.
117 * config/mips/mips.md: Include it.
118 * config/mips/mips.c (mips_char_to_class): Delete.
119 (override_options): Don't initialize mips_char_to_class.
120 * config/mips/mips.h (mips_char_to_class): Delete.
121 (REG_CLASS_FROM_LETTER): Delete.
122 (CONST_OK_FOR_LETTER_P): Delete.
123 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
124 (EXTRA_CONSTRAINT_Y): Delete.
125 (EXTRA_CONSTRAINT_STR): Delete.
126 (CONSTRAINT_LEN): Delete.
127 (EXTRA_MEMORY_CONSTRAINT): Delete.
129 2006-03-09 Diego Novillo <dnovillo@redhat.com>
131 * tree-cfg.c (move_block_to_fn): Remove the statements from the
132 original fn's eh regions.
134 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
136 * fold-const.c (build_range_check): Make sure to use a valid type to
137 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
140 (range_predecessor): New static function.
141 (range_successor): Likewise.
142 (merge_ranges): Use them to compute predecessors and successors of
145 2006-03-09 Roger Sayle <roger@eyesopen.com>
148 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
149 X op C3, consider whether C3 overflows towards +Inf or -Inf.
151 2006-03-08 DJ Delorie <dj@redhat.com>
153 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
154 (addpsi3): Expand to include memory operands. Remove
155 reload-specific splits.
156 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
157 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
158 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
159 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
160 (shift1_qi, shift1_hi, insv): New.
161 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
162 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
163 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
165 * config/m32c/m32c-protos.h: Update as needed.
166 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
167 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
168 Fail for unrecognized R* constraints.
169 (m32c_cannot_change_mode_class): Be more picky about pseudos.
170 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
171 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
173 (m32c_init_libfuncs): New.
174 (m32c_legitimate_address_p): Add debug wrapper.
175 (m32c_rtx_costs): New.
176 (m32c_address_cost): New.
177 (conversions): Add 'B' prefix.
178 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
179 operands, or word regnames for QI operands. 'B' prints bit
181 (m32c_expand_setmemhi): New.
182 (m32c_expand_movmemhi): New.
183 (m32c_expand_movstr): New.
184 (m32c_expand_cmpstr): New.
185 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
186 (m32c_expand_neg_mulpsi3): Handle non-ints.
187 (m32c_cmp_flg_0): New.
188 (m32c_expand_movcc): New.
189 (m32c_expand_insv): New.
190 (m32c_scc_pattern): New.
191 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
193 (STORE_FLAG_VALUE): New.
194 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
197 * config/m32c/mov.md: Make constraints more liberal.
198 (zero_extendqihi2): Optimize r0/r1 case.
199 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
200 * config/m32c/predicates.md (m32c_any_operand): New.
201 (m32c_nonimmediate_operand): New.
202 (m32c_hl_operand): New.
203 (m32c_r3_operand): New.
206 (memsym_operand): New.
207 (memimmed_operand): New.
209 (m32c_eqne_operator): New.
210 (m32c_1bit8_operand): New.
211 (m32c_1bit16_operand): New.
212 (m32c_1mask8_operand): New.
213 (m32c_1mask16_operand): New.
214 * config/m32c/blkmov.md: New file.
215 * config/m32c/t-m32c (MD_FILES): Add blkmov.
217 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
219 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
220 unsigned to fix signed/unsigned comparison issue in
221 DWARF2_FRAME_REG_OUT.
222 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
223 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
225 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
226 of ptr into the ENABLE_CHECKING section.
228 2006-03-08 Jeff Law <law@redhat.com>
230 * tree-vrp.c (infer_value_range): Only count pointer uses
231 and dereferences if -fdelete-null-pointer-checks is enabled.
233 * tree-vrp.c (find_assert_locations): Infer value ranges for
234 single use pointers, but do not create ASSERT_EXPRs for them.
235 When a non-null range is inferred for a pointer, backwards
236 propagate that range to other equivalent pointers through the
239 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
242 * Makefile.in (dvi, html, install-info): Invoke the corresponding
243 language hook targets.
244 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
245 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
246 if language hook targets were missing.
248 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
250 * tree-ssa-opfinalize.h: Removed.
251 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
253 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
254 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
255 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
256 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
257 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
258 finalize_ssa_v_must_def_ops): New.
260 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
262 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
265 2006-03-07 Geoffrey Keating <geoffk@apple.com>
267 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
269 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
270 addresses with offsets; reorganize.
272 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
273 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
274 (expand_builtin_init_dwarf_reg_sizes): Likewise.
276 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
279 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
281 2006-03-08 Ben Elliston <bje@au.ibm.com>
283 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
285 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
288 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
291 2006-03-07 Richard Guenther <rguenther@suse.de>
293 PR tree-optimization/26587
294 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
296 2006-03-07 Richard Sandiford <richard@codesourcery.com>
298 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
300 2006-03-07 Richard Sandiford <richard@codesourcery.com>
302 * hooks.c (hook_bool_mode_rtx_true): New function.
303 * hooks.h (hook_bool_mode_rtx_true): Declare.
304 * toplev.c (compile_file): Call output_shared_constant_pool.
305 * varasm.c (shared_constant_pool): New variable.
306 (assemble_start_function, assemble_end_function): Remove arguments
307 from call to output_constant_pool.
308 (create_constant_pool): New function, split out from...
309 (init_varasm_status): ...here.
310 (force_const_mem): Choose between the shared and per-function constant
311 pools. Set current_function_uses_const_pool when reusing old entries
312 as well as when creating new ones.
313 (mark_constant): Ignore data argument.
314 (mark_constants): Remove pool argument.
315 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
316 to decide whether the function uses a constant pool.
317 (output_constant_pool_contents): New function, split out from...
318 (output_constant_pool): ...here.
319 (output_shared_constant_pool): New function.
320 (init_varasm_once): Initialize shared_constant_pool.
321 * output.h (output_constant_pool): Delete.
322 (output_shared_constant_pool): Declare.
323 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
324 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
326 2006-03-06 Nick Clifton <nickc@redhat.com>
328 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
329 flag_strength_reduce.
331 2006-03-06 Ben Elliston <bje@au.ibm.com>
333 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
334 x86_64-*-linux* configurations.
336 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
337 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
339 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
341 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
343 * basic-block.h: Remove the extern for
344 rediscover_loops_after_threading.
346 * cfgloop.c (cancel_loop): Make it static.
347 * cfgloop.h: Remove the prototype for cancel_loop.
349 * flow.c (recompute_reg_usage): Make it static.
350 * rtl.h: Remove the prototype for recompute_reg_usage.
352 * function.c (use_return_register): Make it static.
353 * function.h: Remove the prototype.
355 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
357 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
359 * recog.h: Remove the prototype for
360 validate_change_maybe_volatile.
362 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
364 * rtlanal.c (replace_reg): Remove.
365 * rtl.h: Remove the prototype for replace_reg.
367 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
369 * regclass.c (reg_scan_update): Remove.
370 (reg_scan_mark_refs): Remove the last argument.
371 * rtl.h: Remove the prototype for reg_scan_update.
373 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
375 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
376 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
377 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
378 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
379 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
380 loop-invariant.c, omp-low.c, opts.c, passes.c,
381 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
382 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
383 tree-ssa-structalias.c, tree-ssa-threadedge.c,
384 tree-ssa-threadupdate.c, tree-vect-patterns.c,
385 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
386 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
388 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
390 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
391 * dwarf2out.h: Remove the prototype for
392 dwarf2out_add_library_unit_info.
394 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
396 * tree.c (add_var_to_bind_expr): Remove.
397 * tree.h: Remove the prototype for add_var_to_bind_expr.
399 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
401 * regclass.c (n_non_fixed_regs): Remove.
402 (init_reg_sets_1, globalize_reg): Remove all uses of
404 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
406 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
408 * rtlanal.c (insns_safe_to_move_p): Remove.
409 * rtl.h: Remove the prototype for insns_safe_to_move_p.
411 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
413 * expmed.c (expand_mult_add): Remove.
414 * expr.h: Remove the prototype for expand_mult_add.
416 2006-03-04 Jakub Jelinek <jakub@redhat.com>
418 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
419 and REG_SAVED_VAL_EXP constants.
420 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
421 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
422 Handle regs stored by value.
423 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
424 (execute_cfa_program): Handle DW_CFA_val_offset,
425 DW_CFA_val_offset_sf and DW_CFA_val_expression.
426 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
427 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
428 (uw_install_context_1): Handle target regs stored by value.
430 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
432 * tree-sra.c (tree_sra): Return todoflags;
433 (generate_one_element): Set TODO_update_smt_usage if needed.
434 (pass_sra): Remove TODO_update_smt_usage.
435 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
437 (tree_ssa_forward_propagate_single_use_vars): Return
438 TODO_update_smt_usage if we need to update SMT usage.
439 (pass_forwprop): Remove TODO_update_smt_usage.
441 2006-03-03 Diego Novillo <dnovillo@redhat.com>
443 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
444 (correct_use_link): Remove reference to get_stmt_operands.
445 (update_stmt_operands): Likewise.
446 (get_modify_expr_operands): New function factored out of
447 parse_ssa_operands and get_expr_operands.
448 Try to create V_MUST_DEFs for LHS by default.
449 (get_expr_operands) <case MODIFY_EXPR>: Call
450 get_modify_expr_operands.
451 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
452 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
453 (parse_ssa_operands) <case MODIFY_EXPR>: Call
454 get_modify_expr_operands.
456 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
458 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
459 * tree-flow.h: Remove the prototype for
460 referenced_var_lookup_if_exists.
462 2006-03-03 Steve Ellcey <sje@cup.hp.com>
464 PR rtl-optimization/26345
466 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
468 2006-03-03 Roger Sayle <roger@eyesopen.com>
470 PR tree-optimization/26524
471 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
472 fold_convert to create a constant of the appropriate type.
474 2006-03-03 Richard Sandiford <richard@codesourcery.com>
476 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
477 SYMBOL_REF_IN_BLOCK_P.
478 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
479 of SYMBOL_FLAG_IN_BLOCK.
480 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
481 instead of SYMBOL_REF_IN_BLOCK_P.
482 * explow.c (use_anchored_address): Likewise.
483 * rtl.c (rtx_size): Likewise.
484 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
485 instead of SYMBOL_FLAG_IN_BLOCK.
486 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
487 SYMBOL_REF_IN_BLOCK_P.
488 (assemble_variable): Likewise.
489 (output_constant_def_contents): Likewise.
490 (output_constant_pool): Likewise.
491 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
492 instead of SYMBOL_FLAG_IN_BLOCK.
493 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
494 SYMBOL_REF_IN_BLOCK_P.
495 (SYMBOL_REF_BLOCK): Likewise.
496 (SYMBOL_REF_OFFSET): Likewise.
497 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
498 SYMBOL_REF_IN_BLOCK_P.
499 (SYMBOL_FLAG_IN_BLOCK): Replace with...
500 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
501 (SYMBOL_REF_IN_BLOCK_P): Replace with...
502 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
504 2006-03-03 Jakub Jelinek <jakub@redhat.com>
506 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
508 2006-03-02 Roger Sayle <roger@eyesopen.com>
510 * simplify-rtx.c (simplify_unary_operation): When simplifying
511 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
512 that we perform the right shift in the appropriate mode, and
513 then extend or truncate the result to requested mode.
515 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
517 * gengtype.c (main): Handle double_int type.
518 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
519 * double-int.c: New file.
520 * double-int.h: New file.
521 * system.h: Include doubleint.h.
522 * Makefile.in (SYSTEM_H): Include double-int.h.
525 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
528 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
531 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
533 * tree-vrp.c (remove_range_assertions): Do not update statements
536 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
538 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
540 * gcse.c (rest_of_handle_gcse): Ditto.
541 * except.c (gate_handle_eh): Ditto.
542 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
543 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
545 2006-03-02 Eric Christopher <echristo@apple.com>
547 * config/i386/i386.c (machopic_output_stub): Add indirection to
550 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
554 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
556 Sun Niagara specific optimizations.
557 * config.gcc: Recognize niagara as target.
558 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
559 (TARGET_CPU_niagara): Define.
560 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
561 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
562 (CPP_CPU_SPEC): Handle -mcpu=niagara.
563 (ASM_CPU_SPEC): Likewise.
564 (PROCESSOR_NIAGARA): New enum entry.
565 (REGISTER_MOVE_COST): Handle Niagara.
566 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
567 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
568 (sparc_override_options): Recognize "niagara", set appropriate
569 default MASK_* values for it, and align functions to 32-bytes
570 by default just like ULTRASPARC/ULTRASPARC3.
571 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
572 (sparc64_initialize_trampoline): Likewise.
573 (sparc_use_sched_lookahead): Use zero for niagara.
574 (sparc_issue_rate): Use one for niagara.
575 * config/sparc/niagara.md: New file.
576 * config/sparc/sparc.md: Include it.
577 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
578 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
579 when default cpu is niagara.
580 (CPP_CPU_SPEC): Handle -mcpu=niagara.
581 (ASM_CPU_SPEC): Likewise.
582 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
583 when default cpu is niagara.
584 (ASM_CPU_SPEC): Handle -mcpu=niagara.
585 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
586 just like v9/ultrasparc/ultrasparc3.
587 * doc/invoke.texi: Add documentation for "niagara" and improve
588 existing documentation for ultrasparc variants.
590 2006-03-02 Diego Novillo <dnovillo@redhat.com>
592 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
594 2006-03-02 Richard Sandiford <richard@codesourcery.com>
596 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
597 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
598 and say that only one is needed.
599 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
600 * target.h (have_switchable_bss_sections): New hook.
601 * explow.c (use_anchored_address): Check that the symbol is in a block.
602 * varasm.c (tls_comm_section, comm_section, lcomm_section)
603 (bss_noswitch_section): New variables.
604 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
605 (get_noswitch_section): New function.
606 (get_block_for_section): Allow SECT to be null.
607 (unlikely_text_section_p): Use SECTION_STYLE.
608 (bss_initializer_p): New function.
609 (get_variable_section): Move earlier in file. Take a new argument,
610 prefer_noswitch_p. Move bss checks from assemble_variable to here.
611 Return one of the new *_sections in such cases.
612 (get_block_for_decl): New function, extracting some logic from
613 use_blocks_for_decl_p.
614 (change_symbol_section): Remove in favor of...
615 (change_symbol_block): ...this new function.
616 (use_blocks_for_decl_p): Remove checks now performed by
618 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
619 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
620 (emit_local, emit_bss, emit_common): ...these new functions.
621 Return true if the alignment was honored.
622 (emit_tls_common): New function.
623 (asm_emit_uninitialised): Delete.
624 (assemble_variable_noswitch): New function, split out from...
625 (assemble_variable): ...here. Don't make decisions about common
626 variables here. Globalize all public decls that go into non-common
627 sections. Check whether SYMBOL_REF_BLOCK is null.
628 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
629 (output_constant_pool): Likewise.
630 (init_varasm_once): Initialize the new section variables.
631 (have_global_bss_p): New function.
632 (categorize_decl_for_section): Use bss_initializer_p.
633 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
634 (place_block_symbol): Assert that the symbol must be in a block.
635 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
636 (TARGET_INITIALIZER): Include it.
637 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
638 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
639 (SECTION_MACH_DEP): Bump by two.
640 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
641 (unnamed_section): Mention SECTION_UNNAMED in comment.
642 (named_section): Likewise SECTION_NAMED.
643 (noswitch_section_callback): New type.
644 (noswitch_section): New structure.
645 (section): Add a noswitch_section alternative.
646 (SECTION_STYLE): New macro.
647 (tls_comm_section, comm_section, lcomm_section): Declare.
648 (bss_noswitch_section, have_global_bss_p): Declare.
649 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
650 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
652 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
653 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
656 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
658 * gcc/tree-vrp.c (execute_vrp): Return value.
659 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
660 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
661 * gcc/tree-complex.c (tree_lower_complex): Ditto.
662 (tree_lower_complex_O0): Ditto.
663 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
664 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
665 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
666 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
667 (execute_tail_calls): Ditto.
668 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
669 * gcc/tree.h (init_function_for_compilation): Ditto.
670 * gcc/ipa-cp.c (ipcp_driver): Ditto.
671 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
672 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
673 * gcc/final.c (compute_alignments): Ditto.
674 (rest_of_handle_final): Ditto.
675 (rest_of_handle_shorten_branches): Ditto.
676 (rest_of_clean_state): Ditto.
677 * gcc/omp-low.c (execute_expand_omp): Ditto.
678 (execute_lower_omp): Ditto.
679 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
680 * gcc/ipa-reference.c (static_execute): Ditto.
681 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
682 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
683 (rest_of_handle_machine_reorg): Ditto.
684 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
685 * gcc/flow.c (recompute_reg_usage): Ditto.
686 (rest_of_handle_remove_death_notes): Ditto.
687 (rest_of_handle_life): Ditto.
688 (rest_of_handle_flow2): Ditto.
689 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
690 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
691 (do_ssa_store_ccp): Ditto.
692 (execute_fold_all_builtins): Ditto.
693 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
694 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
695 * gcc/ipa-pure-const.c (static_execute): Ditto.
696 * gcc/cse.c (rest_of_handle_cse): Ditto.
697 (rest_of_handle_cse2): Ditto.
698 * gcc/web.c (rest_of_handle_web): Ditto.
699 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
700 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
701 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
702 * gcc/tree-nrv.c (tree_nrv): Ditto.
703 (execute_return_slot_opt): Ditto.
704 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
705 (create_structure_vars): Ditto.
706 * gcc/loop-init.c (rtl_loop_init): Ditto.
707 (rtl_loop_done): Ditto.
708 (rtl_move_loop_invariants): Ditto.
709 (rtl_unswitch): Ditto.
710 (rtl_unroll_and_peel_loops): Ditto.
712 * gcc/gimple-low.c (lower_function_body): Ditto.
713 (mark_used_blocks): Ditto.
714 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
715 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
716 (cgraph_early_inlining): Ditto.
717 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
718 * gcc/jump.c (cleanup_barriers): Ditto.
719 (purge_line_number_notes): Ditto.
720 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
721 (rest_of_handle_if_after_reload): Ditto.
722 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
723 (tree_ssa_loop_im): Ditto.
724 (tree_ssa_loop_unswitch): Ditto.
725 (tree_vectorize): Ditto.
726 (tree_linear_transform): Ditto.
727 (tree_ssa_loop_ivcanon): Ditto.
728 (tree_ssa_empty_loop): Ditto.
729 (tree_ssa_loop_bounds): Ditto.
730 (tree_complete_unroll): Ditto.
731 (tree_ssa_loop_prefetch): Ditto.
732 (tree_ssa_loop_ivopts): Ditto.
733 (tree_ssa_loop_done): Ditto.
734 * gcc/predict.c (tree_estimate_probability): Ditto.
735 * gcc/recog.c (split_all_insns_noflow): Ditto.
736 (rest_of_handle_peephole2): Ditto.
737 (rest_of_handle_split_all_insns): Ditto.
738 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
739 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
740 (rest_of_handle_stack_adjustments): Ditto.
741 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
742 * gcc/function.c (instantiate_virtual_regs): Ditto.
743 (init_function_for_compilation): Ditto.
744 (rest_of_handle_check_leaf_regs): Ditto.
745 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
746 (rest_of_handle_gcse): Ditto.
747 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
748 * gcc/alias.c (rest_of_handle_cfg): Ditto.
749 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
750 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
751 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
752 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
753 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
754 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
755 * gcc/except.c (set_nothrow_function_flags): Ditto.
756 (convert_to_eh_region_ranges): Ditto.
757 (rest_of_handle_eh): Ditto.
758 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
759 (remove_unnecessary_notes): Ditto.
760 * gcc/except.h (set_nothrow_function_flags): Ditto.
761 (convert_to_eh_region_ranges): Ditto.
762 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
763 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
764 * gcc/tree-ssa-pre.c (do_pre): Ditto.
765 (execute_fre): Ditto.
766 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
767 (rest_of_handle_jump2): Ditto.
768 * gcc/tree-sra.c (tree_sra): Ditto.
769 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
770 (execute_mudflap_function_decls): Ditto.
771 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
772 (do_store_copy_prop): Ditto.
773 * gcc/ipa-prop.h (ipcp_driver): Ditto.
774 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
775 * gcc/tree-ssa-forwprop.c
776 (tree_ssa_forward_propagate_single_use_vars): Ditto.
777 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
778 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
779 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
780 (execute_late_warn_uninitialized): Ditto.
781 * gcc/rtl.h (cleanup_barriers): Ditto.
782 (split_all_insns_noflow): Ditto.
783 (purge_line_number_notes): Ditto.
784 (unshare_all_rtl): Ditto.
785 (remove_unnecessary_notes): Ditto.
786 (recompute_reg_usage): Ditto.
787 (variable_tracking_main): Ditto.
788 * gcc/integrate.c (emit_initial_value_sets): Ditto.
789 * gcc/integrate.h (emit_initial_value_sets): Ditto.
790 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
791 (execute_free_cfg_annotations): Ditto.
792 (execute_fixup_cfg): Ditto.
793 (execute_cleanup_cfg_pre_ipa): Ditto.
794 (execute_cleanup_cfg_post_optimizing): Ditto.
795 (execute_init_datastructures): Ditto.
796 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
797 * gcc/combine.c (rest_of_handle_combine): Ditto.
798 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
799 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
800 (rest_of_handle_reorder_blocks): Ditto.
801 (rest_of_handle_partition_blocks): Ditto.
802 * gcc/var-tracking.c (variable_tracking_main): Ditto.
803 * gcc/tree-profile.c (tree_profiling): Ditto.
804 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
805 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
806 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
807 (rest_of_handle_sched2): Ditto.
808 * gcc/basic-block.h (free_bb_insn): Ditto.
809 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
810 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
811 (remove_useless_stmts): Ditto.
812 (split_critical_edges): Ditto.
813 (execute_warn_function_return): Ditto.
814 (execute_warn_function_noreturn): Ditto.
815 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
816 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
817 * gcc/passes.c (execute_one_pass): Run additional
818 todos returned by execute function.
819 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
822 2006-03-02 Richard Guenther <rguenther@suse.de>
824 * tree-ssa-alias.c (find_used_portions): Consider taking
825 the address as making the variable not write-only.
827 2006-03-02 Nick Clifton <nickc@redhat.com>
829 * config.gcc (default_use_cxa_atexit): Extend the description of
830 this configure variable. Set its default value to "yes" for
831 Linux, NetBSD and ELF targets on the assumption that they will
832 use C libraries with the __cxa_atexit function.
834 2006-03-02 Ben Elliston <bje@au.ibm.com>
836 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
837 parameter as unused to suppress a build warning.
839 2006-03-02 Ben Elliston <bje@au.ibm.com>
841 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
844 2006-03-01 Roger Sayle <roger@eyesopen.com>
847 * gthr-posix.h (__gthrw2): Define to take three parameters, the
848 declared name, the weak reference name, and the typeof name.
849 (__gthrw): Avoid expanding the declared name suffix.
850 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
852 2006-03-01 Jakub Jelinek <jakub@redhat.com>
854 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
856 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
857 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
858 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
859 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
860 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
861 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
862 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
863 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
864 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
865 DW_DS_leading_separate, DW_DS_trailing_separate): New.
866 (DW_END_default, DW_END_big, DW_END_little): New.
867 (DW_END_lo_user, DW_END_hi_user): Define.
868 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
869 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
870 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
873 2006-03-01 Diego Novillo <dnovillo@redhat.com>
875 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
877 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
879 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
881 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
883 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
886 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
889 2006-03-01 Roger Sayle <roger@eyesopen.com>
891 * builtins.c (fold_builtin_copysign): Delete unreachable code.
893 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
896 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
897 MACHO_DYNAMIC_NO_PIC_P.
898 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
900 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
903 * config/darwin-protos.h (darwin_asm_output_anchor):
905 * config/darwin-sections.def (cstring_section):
906 Add SECTION_MERGE to the flags.
907 (literal4_section): Likewise.
908 (literal8_section): Likewise.
909 (objc_selector_refs_section): Likewise.
910 (objc_cls_refs_section): Likewise.
911 * config/darwin.c (darwin_asm_output_anchor): New
913 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
915 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
917 Fix PR tree-optimization/26443
918 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
919 to todo and PROP_tmt_usage to properties_destroyed.
920 * tree-ssa-ccp.c (pass_ccp): Ditto.
921 (pass_store_ccp): Ditto.
922 * tree-ssa-dom.c (pass_dominator): Ditto.
924 2006-03-01 Diego Novillo <dnovillo@redhat.com>
926 * tree-ssa-operands.c: Cleanup whitespace.
927 (get_asm_expr_operands): Move before first invocation.
928 (get_indirect_ref_operands): Likewise.
929 (get_tmr_operands): Likewise.
930 (get_call_expr_operands): Likewise.
931 (append_def): Likewise.
932 (append_use): Likewise.
933 (append_v_may_def): Likewise.
934 (append_v_must_def): Likewise.
935 (add_call_clobber_ops): Likewise.
936 (add_call_read_ops): Likewise.
937 (add_stmt_operand): Likewise.
938 (add_virtual_operand): Likewise.
939 (build_ssa_operands): Likewise.
941 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
946 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
947 with a call expr to ...
948 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
950 2006-03-01 Diego Novillo <dnovillo@redhat.com>
952 * tree-vrp.c (extract_range_from_assert): Remove special
953 handling for types with super-types.
955 2006-03-01 Ben Elliston <bje@au.ibm.com>
957 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
958 and powerpc64-*-linux* configurations.
959 * config/t-dfprules: New file.
961 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
962 Compile dfp-bit.c from the source directory using -DWIDTH and
963 $DFP_CFLAGS to control the compilation of that file, rather than
964 generating width-specific versions in the build directory.
965 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
966 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
968 2006-02-28 Zack Weinberg <zackw@panix.com>
970 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
973 2006-02-28 Eric Christopher <echristo@apple.com>
975 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
976 Set up IN_LIBGCC definition of TARGET_64BIT.
977 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
979 2006-02-28 Roger Sayle <roger@eyesopen.com>
982 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
983 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
984 cases via the construction of "expr != 0".
986 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
988 * alias.c (alias_invariant, alias_invariant_size): Remove.
989 (record_base_value): Remove.
990 (memrefs_conflict_p): Don't look at alias_invariant.
991 (end_alias_analysis): Don't free it.
992 * alias.h (record_base_value): Remove prototype.
994 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
995 Adam Nemet <anemet@caviumnetworks.com>
997 * rtl.h (truncated_to_mode): Declare it.
998 (struct rtl_hooks): Add reg_truncated_to_mode hook.
999 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
1000 (RTL_HOOKS_INITIALIZER): Include it.
1001 * rtlhooks.c (reg_truncated_to_mode_general): New function.
1002 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
1003 reg_truncated_to_mode.
1004 * rtlanal.c (truncated_to_mode): Define it.
1005 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1007 2006-02-28 Jeff Law <law@redhat.com>
1009 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
1010 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
1011 the range allowed by TYPE_PRECISION.
1013 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
1015 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
1017 PR tree-optimization/26419
1018 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
1021 2006-02-27 Zack Weinberg <zackw@panix.com>
1023 * doc/md.texi: Fix typo in previous change.
1025 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
1029 2006-02-27 Zack Weinberg <zackw@panix.com>
1031 * rtl.def (define_constraint, define_register_constraint)
1032 (define_memory_constraint, define_address_constraint): New MD forms.
1033 * gensupport.c (process_rtx): Put define_constraint etc on the
1035 * genpreds.c (process_define_predicate): Adjust comment. Validate
1036 the name, and call validate_exp to validate the expression.
1037 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1038 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1039 all callers changed.
1040 (validate_exp, needs_variable, struct constraint_data)
1041 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1042 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1043 (const_dbl_constraints, constraint_max_namelen)
1044 (have_register_constraints, have_memory_constraints)
1045 (have_address_constraints, have_address_constraints)
1046 (have_extra_constraints, have_const_int_constraints)
1047 (have_const_dbl_constraints, mangle, add_constraint)
1048 (process_define_constraint, process_define_register_constraint)
1049 (write_enum_constraint_num, write_lookup_constraint)
1050 (write_insn_constraint_len, write_regclass_for_constraint)
1051 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1052 (write_insn_extra_memory_constraint)
1053 (write_insn_extra_address_constraint)
1054 (write_satisfies_constraint_fns): New.
1055 (write_tm_preds_h): If we have new-style constraint definitions,
1056 prototype the functions generated from them, and define the
1057 old constraint interface (still used by generic code) in terms of
1059 (write_insn_preds_c): If we have new-style constraint definitions,
1060 generate all relevant functions from those definitions.
1061 (main): Handle define_constraint etc.
1062 * genoutput.c (struct constraint_data, indep_constraints)
1063 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1064 (mdep_constraint_len): New data structures and functions, defined
1065 #ifdef USE_MD_CONSTRAINTS.
1066 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1067 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1068 use new logic to validate operand constraints against constraint
1070 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1072 * defaults.h: If none of the old-style constraint macros are
1073 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1074 old-style macros; and poison REG_CLASS_FROM_LETTER,
1075 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1077 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1078 * doc/md.texi: Document new constraint-definition mechanism and the
1079 C interface it provides. Remove references to old mechanism
1080 elsewhere in the document.
1081 (Machine Constraints): Use pathnames relative to gcc directory,
1082 i.e. config/ARCH/FILE. Change i386 section to refer to
1083 config/i386/predicates.md; update that section to match docstrings.
1084 * doc/tm.texi: Move all documentation of the old constraint-
1085 definition macros to their own section, clearly mark as obsolete.
1087 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1088 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1090 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1091 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1092 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1094 (splits and peepholes): Use satisfies_constraint_*.
1095 * config/i386/i386.c (memory_address_length)
1096 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1098 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1100 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1101 scalar operation to be put back into the loop.
1103 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1106 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1107 (extract_cie_info): Handle S flag in augmentation string.
1108 (execute_cfa_program): If context->signal_frame, execute also
1109 fs->pc == context->ra instructions.
1110 (uw_frame_state_for): If context->signal_frame, don't subtract one
1111 from context->ra to find FDE.
1112 (uw_update_context_1): Set context->signal_frame to
1114 (_Unwind_GetIPInfo): New function.
1115 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1116 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1118 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1119 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1120 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1121 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1122 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1123 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1124 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1125 x86_64_fallback_frame_state): Set fs->signal_frame.
1126 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1127 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1128 (frob_update_context): Likewise. Workaround missing S flag in
1129 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1130 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1131 Remove the psw_addr + 1 hack.
1133 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1135 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1136 with aggregates here.
1137 (find_func_aliases): Remove code for &<aggregate> from here.
1139 2006-02-26 Roger Sayle <roger@eyesopen.com>
1141 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1142 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1143 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1146 2006-02-26 Roger Sayle <roger@eyesopen.com>
1149 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1151 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1153 * opts.c (decode_options): Do not handle flag_strength_reduce.
1154 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1155 and OPT_fstrength_reduce.
1156 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1157 flag_prefetch_loop_arrays for being nonzero.
1158 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1160 (fprefetch-loop-arrays-rtl): Removed.
1161 (flag_prefetch_loop_arrays): Do not specify the value.
1163 * doc/passes.texi: Update documentation of loop optimizer
1165 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1166 -frerun-loop-opt): Remove.
1168 2006-02-26 Richard Guenther <rguenther@suse.de>
1170 PR tree-optimization/26421
1171 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1172 in function calls that are ADDR_EXPRs as using the whole structure.
1174 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1176 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1177 * tree-pass.h (pass_loop_optimize): Remove.
1178 * passes.c (pass_loop_optimize): Never run it.
1179 * toplev.c (backend_init): Don't call init_loop.
1180 * opts.c (flag_loop_optimize_set): Remove.
1181 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1182 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1183 the old RTL loop optimizer when profiling enabled.
1184 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1185 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1186 pre-headers for the sake of the old RTL loop optimizer.
1187 * Makefile.in: Remove all references to loop.o.
1189 * doc/invoke.texi: Remove all references to -floop-optimize
1190 and -frerun-loop-opt.
1192 2006-02-26 Zack Weinberg <zackw@panix.com>
1194 * doc/md.texi (Machine Constraints): Refer to all files with paths
1195 relative to gcc directory (i.e. config/CPU/file). Add missing
1196 @table @code ... @end table to M32C subsection.
1198 2006-02-26 Roger Sayle <roger@eyesopen.com>
1200 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1202 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1204 2006-02-26 Roger Sayle <roger@eyesopen.com>
1205 James A. Morrison <phython@gcc.gnu.org>
1208 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1209 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1210 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1211 signedness of the shift operation.
1213 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1215 PR tree-optimization/26359
1216 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1218 2006-02-25 Roger Sayle <roger@eyesopen.com>
1220 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1221 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1222 as X == 0, and some symmetry related transformations.
1223 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1225 2006-02-25 Roger Sayle <roger@eyesopen.com>
1228 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1229 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1230 symmetry related transformations. Fold (X^C1) == C2 as
1233 2006-02-25 Juergen Weigert <jw@suse.de>
1234 Richard Guenther <rguenther@suse.de>
1236 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1238 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1240 * combine.c (gen_lowpart_or_truncate): Call
1241 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1243 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1245 * doc/invoke.texi: Move -fopenmp description to "Options for
1247 Remove reference to -lgomp.
1249 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1251 * doc/install.texi: Require GNU tar version 1.14.
1253 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1255 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1256 * doc/invoke.texi (C++ Dialect Options): Document
1257 -fno-use-cxa-get-exception-ptr.
1258 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1259 * configure: Regenerate.
1260 * c.opt (fuse-cxa-get-exception-ptr): New.
1261 * c-opts.c (c_common_handle_option): Handle
1262 OPT_fuse_cxa_get_exception_ptr.
1263 * c-common.c (flag_use_cxa_atexit): Update documentation.
1264 (flag_use_cxa_get_exception_ptr): New.
1265 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1266 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1268 (C_COMMON_OVERRIDE_OPTIONS): New.
1270 2006-02-24 Roger Sayle <roger@eyesopen.com>
1273 * combine.c (try_combine): Explicitly check whether GET_CODE is
1274 a SET or a CLOBBER, instead on checking that it isn't a USE.
1276 2006-02-24 Roger Sayle <roger@eyesopen.com>
1278 * fold-const.c (fold_comparison): New subroutine of fold_binary
1279 containing transformations common to both the equality and
1280 ordering relational operators, factored out of fold_binary.
1281 (fold_binary): Separate out the equality operators (EQ_EXPR
1282 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1283 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1284 transformations common to both.
1285 (fold_div_compare): Fix latent bugs in the previously unreachable
1286 LT_EXPR and GE_EXPR cases.
1288 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1290 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1291 decl libname for clog to __clog on AIX.
1293 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1295 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1298 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1299 output traceback table for thunks. Localise rs6000_stack_info call.
1301 2006-02-23 Roger Sayle <roger@eyesopen.com>
1302 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1304 * gthr-posix.h (__gthrw): Fix typo in comment.
1306 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1308 * doc/cpp.texi (Character sets): Document that we do support
1309 input files to be in any character set.
1311 2006-02-23 Jeff Law <law@redhat.com>
1313 * tree.h (PHI_ARG_NONZERO): Remove.
1314 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1315 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1316 node to the new node.
1318 PR tree-optimization/26425
1319 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1320 min/max, then assume its varying.
1322 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1324 PR rtl-optimization/26316
1325 * rtlanal.c (enum may_trap_p_flags): New.
1326 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1327 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1328 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1329 (may_trap_after_code_motion_p): New function.
1330 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1331 (find_invariant_insn): Use may_trap_after_code_motion_p.
1332 * rtl.h (may_trap_after_code_motion_p): Declare.
1334 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1336 * emit-rtl.c (immed_double_const): Cleanup.
1338 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1340 Fix PR tree-optimization/26376
1341 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1344 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1347 * gimplify.c (omp_add_variable): Guard variable size decl test with
1348 DECL_SIZE (decl) check.
1350 2006-02-23 Richard Guenther <rguenther@suse.de>
1353 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1354 like aggregate types.
1356 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1358 * configure.ac: Add --with{,out}-long-double-128 configure option.
1359 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1360 * configure: Rebuilt.
1361 * config.in: Rebuilt.
1362 * doc/install.texi (Options specification): Document
1363 --with-long-double-128.
1365 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1366 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1367 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1368 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1370 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1372 * config/s390/s390.c (override_options): Handle
1373 TARGET_DEFAULT_LONG_DOUBLE_128.
1375 * config/alpha/alpha.c (override_options): Handle
1376 TARGET_DEFAULT_LONG_DOUBLE_128.
1378 * config/sparc/sparc.c (sparc_override_options): Handle
1379 TARGET_DEFAULT_LONG_DOUBLE_128.
1381 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1383 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1384 (real-install-headers-tar, real-install-headers-cpio)
1385 (real-install-headers-cp): New targets.
1387 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1389 * tree.h (variable_section): Delete.
1390 * varasm.c (variable_section): Delete.
1392 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1394 * install.texi: Add notes on install.texi2html.
1395 (Building in parallel): Do not use footnotes.
1397 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1400 * doc/install.texi (Configuration): Document --disable-libgomp.
1402 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1404 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1406 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1408 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1409 (vec_extractv2df_0_sse): New.
1411 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1413 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1414 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1415 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1416 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1417 to the result of the expression.
1418 (def_cfa_1): Adjust.
1419 (frame_pointer_cfa_offset): Rename to...
1420 (frame_pointer_fb_offset): ... this. Adjust all uses.
1421 (convert_cfa_to_loc_list): Rename to...
1422 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1423 Pass it on to build_cfa_loc.
1424 (compute_frame_pointer_to_cfa_displacement): Rename to...
1425 (compute_frame_pointer_to_fb_displacement): ... this. New
1426 offset parameter. Use it in computation.
1427 (gen_subprogram_die): Compute cfa_fb_offset with the new
1428 macro, and use it to compute the fb loc list and the
1431 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1433 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1434 replaced with register_operand.
1435 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1436 non-DREG is expensive.
1437 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1438 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1441 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1443 * doc/install.texi2html: Use set -e.
1445 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1447 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1448 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1449 * doc/invoke.texi (-fshared-data): Delete.
1450 * common.opt (fshared-data): Delete.
1451 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1452 (assemble_static_space): Remove #if 0 code.
1453 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1454 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1455 * config/cris/cris.h: Remove FIXME.
1457 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1459 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1462 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1465 * combine.c (simplify_shift_const_1): Disable nested shifts
1466 optimization for vector shifts.
1468 2006-02-20 Roger Sayle <roger@eyesopen.com>
1470 PR tree-optimization/26361
1471 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1472 of unsigned integer types.
1474 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1476 * tree-chrec.c (eq_evolutions_p): New.
1477 * tree-chrec.h (eq_evolutions_p): Declared.
1478 * tree-data-ref.c: Fix formatting.
1479 (datadep_stats, dependence_stats): New.
1481 (print_direction_vector): New.
1482 (dump_data_dependence_relation): Use print_direction_vector.
1483 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1484 (compute_subscript_distance): Static.
1485 (initialize_data_dependence_relation): Static. Get the number
1486 of loops surrounding the references from the callers, and initialize
1487 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1488 base_object_differ_p analyzers.
1489 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1490 compute_overlap_steps_for_affine_1_2,
1491 analyze_subscript_affine_affine): Count the classified dependences.
1492 Print a message when a test failed.
1493 (can_use_analyze_subscript_affine_affine): New.
1494 (analyze_siv_subscript): Compute the data dependences on symbolic
1495 scevs that verify can_use_analyze_subscript_affine_affine.
1496 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1497 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1498 Handle symbolic scevs.
1499 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1501 (subscript_dependence_tester): Moved...
1502 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1503 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1504 DDR_SIZE_VECT instead of getting it in parameter.
1505 (subscript_dependence_tester): ... here. Take as a parameter
1506 loop_nest_depth. Call build_classic_dist_vector and
1507 build_classic_dir_vector.
1508 (compute_affine_dependence): Update subscript_dependence_tester
1509 parameters. Update datadep_stats counters. Call
1510 compute_subscript_distance.
1511 (compute_self_dependence): Save the dist and dir vectors. Call
1512 compute_subscript_distance.
1513 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1514 (compute_all_dependences): Reorder parameters as they were before
1515 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1516 compute_subscript_distance. Update the use of
1517 compute_affine_dependence and initialize_data_dependence_relation.
1518 (find_data_references_in_loop): Handle COMPONENT_REF.
1519 (compute_data_dependences_for_loop): Initialize dependence_stats.
1520 Don't call build_classic_dist_vector and build_classic_dir_vector.
1521 Update the parameters of initialize_data_dependence_relation and
1522 compute_all_dependences. Print the statistics from datadep_stats.
1523 (analyze_all_data_dependences): Static. Not used until the pass for
1524 checking the data dependences is contributed.
1525 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1526 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1527 (initialize_data_dependence_relation, compute_affine_dependence,
1528 analyze_all_data_dependences, compute_subscript_distance): Removed.
1529 (print_direction_vector): New.
1530 * lambda.h (gcd): ... here.
1531 (lambda_vector_gcd): Moved here from gcd_vector.
1532 * lambda-code.c (gcd, gcd_vector): Removed.
1533 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1534 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1536 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1538 * ipa-type-escape.c: Tidy some comments and white space.
1539 * tree-ssa-operands.c: Likewise.
1541 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1544 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1545 (dump_decl_name): Do not walk the decl tree chains.
1546 * tree-pass.h (TDF_CHAIN): Remove.
1548 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1550 * Makefile.in (C): Remove
1552 (.PHONY): Remove C and PROTO
1554 2006-02-20 Roger Sayle <roger@eyesopen.com>
1557 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1558 deprecated CHAR_TYPE tree code.
1560 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1562 * configure.ac (target_list): Add install-info, dvi, html.
1563 * configure: Regenerate.
1565 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1566 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1567 treelang/Make-lang.in: Do not use double-colon rules.
1569 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1571 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1572 (TMT_USED_ALONE): New macro.
1573 * tree-pass.h (PROP_tmt_usage): New property.
1574 (TODO_update_tmt_usage): New todo.
1575 * tree-ssa-alias.c (updating_used_alone): New variable.
1576 (recalculate_used_alone): New function.
1577 (compute_may_aliases): Set updating_used_alone, call
1578 recalculate_used_alone.
1579 * tree-sra.c (pass_sra): Note that this pass destroys
1580 PROP_tmt_usage, and add TODO_update_tmt_usage.
1581 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1582 * tree-flow.h (updating_used_alone): Prototype.
1583 (recalculate_used_alone): Ditto.
1584 * passes.c (execute_todo): Add code to set updating_used_alone,
1585 and call recalculate.
1586 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1587 for clobber if used alone, and add assert to verify used_alone
1590 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1592 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1593 for non tls symbols added.
1594 (legitimize_address): Do nothing for PLUS expressions if one of the
1595 addends is a tls symbol reference.
1597 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1601 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1603 * Makefile.in (BOOTSTRAPPING): New.
1604 (quickstrap): New definition if BOOTSTRAPPING=yes.
1606 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1607 * configure.ac: Substitute all_selected_languages with the languages
1608 that were configured. For all the other variables except
1609 lang_specs_files, include all the languages in the tree.
1610 * configure: Regenerate.
1612 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1613 if there is one. Run the commands to run fixincludes in the same
1616 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1617 * doc/install.texi: Document exact conventions for searching target tools.
1618 Document --with-build-time-tools. Document toplevel bootstrap. Document
1619 something more about building an Ada cross-compiler. Don't list GNU Make
1620 requirements which affect all platforms.
1622 2006-02-19 Roger Sayle <roger@eyesopen.com>
1625 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1626 only equivalent if the have both the same mode and precision.
1628 2006-02-20 Ben Elliston <bje@au.ibm.com>
1630 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1632 2006-02-19 Roger Sayle <roger@eyesopen.com>
1633 Steven Bosscher <stevenb.gcc@gmail.com>
1635 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1636 constant pool references to identify stack mode constants.
1637 * rtlanal.c (constant_pool_constant_p): New predicate to check
1638 whether operand is a floating point constant in the pool.
1639 * rtl.h (constant_pool_constant_p): Prototype here.
1640 * loop.c (scan_loop): Avoid hoisting constants from the constant
1641 pool on STACK_REGS targets.
1642 (load_mems): Likewise.
1643 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1644 loads into x87 registers expensive in terms of register pressure.
1646 2006-02-19 Roger Sayle <roger@eyesopen.com>
1648 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1649 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1651 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1653 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1654 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1656 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1658 * doc/invoke.texi: Document -fipa-pta.
1659 * common.opt: Add ipa-pta option.
1660 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1661 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1662 (do_ds_constraint): Ditto.
1663 (get_constraint_for): Only add to referenced_vars if
1664 referenced_vars exists.
1665 (insert_into_field_list): Rewrite to do this unsorted.
1666 (insert_into_field_list_sorted): Rename old insert_into_field_list
1668 (create_function_info_for): Use insert_into_field_list_sorted.
1669 (create_variable_info_for): Rewrite so it uses unsorted version,
1670 since the field list is sorted.
1671 (intra_create_variable_infos): Only add to referenced_vars if
1672 referenced_vars exists.
1673 (ipa_pta_execute): Init heapvars, and delete when done.
1674 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1676 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1678 * doc/install.texi: Add missing `@samp'.
1680 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1682 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1685 2006-02-18 Mark Wielaard <mark@klomp.org>
1687 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1688 who added new 4.1 features, bug fixes and integration support.
1690 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1693 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1696 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1698 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1699 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1700 (copy_insn_1): Likewise. Don't copy each field individually.
1702 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1704 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1705 * rtl.c (rtx_size): Rename variable to...
1706 (rtx_code_size): ...this.
1707 (rtx_size): New function.
1708 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1709 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1711 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1712 * rtl.h (rtx_code_size): New variable.
1713 (rtx_size): Change from a variable to a function.
1714 (RTX_SIZE): Rename to...
1715 (RTX_CODE_SIZE): ...this.
1718 PR tree-optimization/17106
1719 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1720 (Anchored Addresses): New section.
1721 * doc/invoke.texi (-fsection-anchors): Document.
1722 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1723 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1724 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1725 * hooks.c (hook_bool_mode_rtx_false): New function.
1726 * hooks.h (hook_bool_mode_rtx_false): Declare.
1727 * gengtype.c (create_optional_field): New function.
1728 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1729 SYMBOL_REF_IN_BLOCK_P is true.
1730 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1731 (min_anchor_offset, max_anchor_offset): Likewise.
1732 (use_anchors_for_symbol_p): New hook.
1733 * toplev.c (compile_file): Call output_object_blocks.
1734 (target_supports_section_anchors_p): New function.
1735 (process_options): Check that -fsection-anchors is only used on
1736 targets that support it and when -funit-at-a-time is in effect.
1737 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1738 if the decl doesn't have one.
1739 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1740 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1741 of force_const_mem through use_anchored_address.
1742 (expand_expr_constant): New function.
1743 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1744 calling expand_expr for INDIRECT_REF.
1745 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1746 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1747 * expr.h (use_anchored_address): Declare.
1748 * loop-unroll.c: Don't declare rtx vectors here.
1749 * explow.c: Include output.h.
1750 (validize_mem): Call use_anchored_address.
1751 (use_anchored_address): New function.
1752 * common.opt (-fsection-anchors): New switch.
1753 * varasm.c (object_block_htab, anchor_labelno): New variables.
1754 (hash_section, object_block_entry_eq, object_block_entry_hash)
1755 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1756 (use_blocks_for_decl_p, change_symbol_section): New functions.
1757 (get_variable_section): New function, split out from assemble_variable.
1758 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1759 use_blocks_for_decl_p say so. Use change_symbol_section if the
1760 symbol has already been created.
1761 (assemble_variable_contents): New function, split out from...
1762 (assemble_variable): ...here. Don't output any code for
1763 block symbols; just pass them to place_block_symbol.
1764 Use get_variable_section and assemble_variable_contents.
1765 (get_constant_alignment, get_constant_section, get_constant_size): New
1766 functions, split from output_constant_def_contents.
1767 (build_constant_desc): Create a block symbol if use_object_blocks_p
1768 says so. Or into SYMBOL_REF_FLAGS.
1769 (assemble_constant_contents): New function, split from...
1770 (output_constant_def_contents): ...here. Don't output any code
1771 for block symbols; just pass them to place_section_symbol.
1772 Use get_constant_section and get_constant_alignment.
1773 (force_const_mem): Create a block symbol if use_object_blocks_p and
1774 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1775 (output_constant_pool_1): Add an explicit alignment argument.
1776 Don't switch sections here.
1777 (output_constant_pool): Adjust call to output_constant_pool_1.
1778 Switch sections here instead. Don't output anything for block symbols;
1779 just pass them to place_block_symbol.
1780 (init_varasm_once): Initialize object_block_htab.
1781 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1782 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1783 (place_block_symbol, get_section_anchor, output_object_block)
1784 (output_object_block_htab, output_object_blocks): New functions.
1785 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1786 (TARGET_ASM_OUT): Include it.
1787 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1788 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1789 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1790 (TARGET_INITIALIZER): Include them.
1791 * rtl.c (rtl_check_failed_block_symbol): New function.
1792 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1793 (block_symbol, object_block): New structures.
1794 (rtx_def): Add a block_symbol field to the union.
1795 (BLOCK_SYMBOL_CHECK): New macro.
1796 (rtl_check_failed_block_symbol): Declare.
1797 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1798 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1799 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1800 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1801 * output.h (output_section_symbols): Declare.
1802 (object_block): Name structure.
1803 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1804 (default_use_anchors_for_symbol_p): Declare.
1805 * Makefile.in (RTL_BASE_H): Add vec.h.
1806 (explow.o): Depend on output.h.
1807 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1808 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1809 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1810 (rs6000_use_blocks_for_constant_p): New function.
1812 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1814 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1816 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1819 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1822 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1824 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1828 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1831 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1832 instead of DECL_REGISTER.
1834 2006-02-18 Olivier Hainque <hainque@adacore.com>
1837 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1839 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1842 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1843 * opth-gen.awk: Handle Var and InverseMask together.
1844 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1845 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1846 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1847 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1849 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1850 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1851 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1852 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1853 LINUX_DYNAMIC_LINKER): Define.
1854 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1855 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1857 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1858 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1859 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1860 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1861 (TARGET_C99_FUNCTIONS): Don't define.
1862 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1863 GLIBC_DYNAMIC_LINKER.
1864 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1865 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1866 GLIBC_DYNAMIC_LINKER64): Define.
1867 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1868 LINUX_DYNAMIC_LINKER64.
1869 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1870 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1871 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1872 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1873 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1874 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1875 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1876 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1877 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1878 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1879 and LINUX_DYNAMIC_LINKER32.
1880 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1881 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1882 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1883 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1884 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1886 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1887 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1888 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1889 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1890 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1891 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1892 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1893 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1894 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1895 LINUX_DYNAMIC_LINKER): Define.
1896 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1897 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1898 GLIBC_DYNAMIC_LINKER64): Define.
1899 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1900 LINUX_DYNAMIC_LINKER64.
1901 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1902 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1903 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1904 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1905 LINUX_DYNAMIC_LINKER): Define.
1906 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1907 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1908 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1909 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1910 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1911 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1912 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1913 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1914 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1915 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1916 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1917 * doc/invoke.texi (-muclibc): Remove caveat about supported
1920 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1922 * doc/cpp.texi (__TIMESTAMP__): Document.
1924 2006-02-17 Roger Sayle <roger@eyesopen.com>
1927 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1928 C is one less than the width of X (and related transformations).
1929 * simplify-rtx.c (simplify_unary_operation_1): Transform
1930 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1931 depending on STORE_FLAG_VALUE, were C is one less then the
1934 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1936 Fix PR tree-optimization/26341
1937 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1938 about NAME_MEMORY_TAG's.
1940 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1943 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1944 with hardware float support, and software float support. Add fcpy
1945 alternative to hardware patterns. Add alternatives to copy between
1946 general and floating-point registers to the 32-bit pattern.
1947 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1948 secondary reload to load a QI or HI mode constant into a floating
1950 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1951 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1953 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1956 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1958 (load_macho_picbase_di): Likewise.
1960 2006-02-16 Jeff Law <law@redhat.com>
1962 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1963 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1964 (ssa_name_nonzero_p): Likewise.
1965 (get_value_range): Return NULL if VRP is not running.
1966 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1967 VRP routines do not discover a range.
1968 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1969 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1970 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1971 (tree_expr_nonnegative_p): Similarly.
1972 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1973 (restore_nonzero_vars_to_original_value): Remove.
1974 (unsafe_associative_fp_binop): Remove.
1975 (tree_ssa_dominator_optimize): Remove initialization and
1976 finalization of nonzero_vars and nonzero_vars_stack.
1977 (dom_opt_initialize_block): No longer push marker on
1979 (dom_opt_finalize_block): No longer call
1980 restore_nonzero_vars_to_original_value.
1981 (record_equivalences_from_phis): No longer look for
1982 nonzero PHI arguments.
1983 (cprop_into_successor_phis): No longer propagate nonzero
1984 property into PHI arguments. Lose unused argument. Caller
1986 (record_equivalences_from_stmt): No longer record nonzero
1987 values for SSA_NAMEs.
1988 (lookup_avail_expr): No longer use nonzero_vars.
1990 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1991 for sizetype when sizetype is unsigned.
1993 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1995 PR rtl-optimization/25603
1996 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1997 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1998 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1999 with new meaning of SETS.
2001 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
2006 * config/linux.opt: New file.
2007 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2008 LINUX_DYNAMIC_LINKER): Define.
2009 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
2010 * config.gcc (*-*-linux*): Define extra_options.
2011 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
2012 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
2013 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
2014 GLIBC_DYNAMIC_LINKER.
2015 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
2016 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2017 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2018 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2019 * doc/invoke.texi (GNU/Linux Options): New section.
2021 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2023 * config/sparc/sparc.md (setjmp): Rewrite.
2024 (setjmp_32): Delete.
2025 (setjmp_64): Likewise.
2027 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
2029 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
2032 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2034 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2037 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2039 PR rtl-optimization/26296
2040 * Makefile.in (loop-invariant.c): Add except.h dependency.
2041 * loop-invariant.c: Include except.h.
2042 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2044 2005-02-16 Paul Brook <paul@codesourcery.com>
2046 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2049 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2051 PR rtl-optimization/25636
2052 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2053 when deciding whether an insn is an initializing insn.
2055 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2057 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2058 (tree_code_size): Ditto.
2059 * tree.h (struct tree_memory_tag): Remove parent_var.
2060 (struct tree_struct_field_tag): New.
2063 (union tree_node): Add sft member.
2064 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2066 (create_sft): Add size and offset argument, set SFT_OFFSET and
2068 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2069 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2070 * tree-flow-inline.h (get_subvar_at): Update for
2071 SFT_OFFSET/SFT_SIZE.
2072 (var_can_have_subvars): Ditto.
2073 (overlap_subvar): Ditto.
2074 * print-tree.c (print_node): Print out interesting things for
2076 * tree-flow.h (struct subvar): Remove offset and size members.
2077 * tree-ssa-operands.c (get_expr_operands): Update for
2078 get_indirect_ref_operands changes.
2079 (get_indirect_ref_operands): Call add_virtual_operand instead of
2080 add_stmt_operand. Only recurse on base var if requested.
2081 (access_can_touch_variable): New function.
2082 (add_stmt_operand): Split virtual operand handling into ...
2083 (add_virtual_operand): Here. Add offset, size, and for_clobber
2084 arguments. Prune alias sets.
2085 (add_call_clobber_ops): Call add_virtual_operand.
2087 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2090 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2092 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2093 than TREE_CODE as index into omp_clause_num_ops array.
2095 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2097 PR rtl-optimization/26184
2098 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2100 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2101 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2102 must_precede, must_follow and tobe_scheduled.
2105 * opts.c (common_handle_option): Free new_option pointer.
2106 * df-core.c (df_analyze): Free postorder pointer.
2108 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2110 * Makefile.in: Fix the examples about the use of stamps
2112 2006-02-15 Michael Matz <matz@suse.de>
2116 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2117 influenced by maximum_field_alignment or DECL_PACKED.
2118 (update_alignment_for_field): Ditto.
2119 (place_field): Ditto.
2120 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2123 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2125 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2126 (debug_flow_info): Pass it.
2127 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2128 * bb-reorder.c (reorder_basic_blocks): Likewise.
2129 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2130 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2131 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2132 * gcse.c (gcse_main, bypass_jumps): Likewise.
2133 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2134 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2135 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2136 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2137 * rtl.h (dump_flow_info): Adjust prototype.
2138 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2139 * var-tracking.c (variable_tracking_main): Likewise.
2140 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2141 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2144 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2146 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2149 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2151 PR tree-optimization/26209
2152 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2153 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2155 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2157 2006-02-14 Roger Sayle <roger@eyesopen.com>
2160 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2161 (X,Y) and the corresponding symmetry related transformations.
2162 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2163 (X,Y) and its symmetry related transformations.
2165 2006-02-14 Roger Sayle <roger@eyesopen.com>
2167 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2170 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2172 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2174 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2177 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2178 support COMDAT group.
2179 * configure: Regenerate.
2181 2006-02-14 Roger Sayle <roger@eyesopen.com>
2186 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2188 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2190 Fix PR tree-optimization/26260
2192 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2194 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2195 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2196 * tree-ssa-structalias.c (create_variable_info_for): Use
2197 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2199 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2201 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2203 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2204 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2205 of the ending condition.
2206 * tree-ssa-loop-manip.c: Include params.h.
2207 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2208 tree_unroll_loop): New functions.
2209 * tree-pass.h (pass_loop_prefetch): Declare.
2210 * loop.c (rest_of_handle_loop_optimize): Test for
2211 -fprefetch-loop-arrays-rtl.
2212 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2213 * timevar.def (TV_TREE_PREFETCH): New timevar.
2214 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2215 pass_loop_prefetch): New.
2216 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2217 (cleanup_tree_cfg_loop): Call scev_reset.
2218 * common.opt (fprefetch-loop-arrays-rtl): Add.
2219 * tree-ssa-loop-prefetch.c: New file.
2220 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2221 (new_temp_expr_table): Initialize expr_vars.
2222 (free_temp_expr_table): Cleanup expr_vars.
2223 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2224 expressions from being merged into one.
2225 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2226 (struct tree_niter_desc): Add control, bound and cmp fields.
2227 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2229 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2230 (tree-cfgcleanup.o): Add SCEV_H dependency.
2231 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2232 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2234 2006-02-14 Richard Guenther <rguenther@suse.de>
2236 PR tree-optimization/26258
2237 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2238 in PHI argument processing.
2240 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2242 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2243 new expression in the requested machine mode.
2245 2006-02-13 Roger Sayle <roger@eyesopen.com>
2247 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2248 directly, instead let do_compare_rtx_and_jump handle this for us.
2249 * expr.c (expand_expr_real_1): Likewise.
2250 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2251 before do_jump_by_parts_greater.
2252 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2253 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2255 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2257 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2259 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2261 PR rtl-optimization/26235
2262 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2263 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2266 2006-02-13 Jeff Law <law@redhat.com>
2268 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2271 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2274 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2275 twice if decl is a builtin. When trying again, call get_callee_fndecl
2276 first to verify it is still a builtin.
2278 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2280 * dwarf2out.c (base_type_die): Don't add AT_name here.
2281 (subrange_type_die): Don't add AT_name here.
2282 (modified_type_die): Rearrange code flow. Do add AT_name here.
2284 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2286 PR rtl-optimization/26247
2287 PR rtl-optimization/26248
2288 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2290 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2292 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2293 * config/fixtfdi.c: Likewise.
2294 * config/fixunstfdi.c: Likewise.
2295 * config/floatditf.c: Likewise.
2297 2006-02-13 Roger Sayle <roger@eyesopen.com>
2300 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2301 into (X,C2) if C1 is a subset of the bits of C2. Transform
2302 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2304 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2306 2006-02-13 Josh Conner <jconner@apple.com>
2309 * varasm.c (function_section): Check for section name before
2310 calling select_section on targets that define
2311 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2312 unlikely_text_section instead of hot_function_section if
2313 first_function_block_is_cold.
2315 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2318 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2320 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2322 PR rtl-optimization/26222
2323 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2324 after tree->rtl expansion.
2325 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2326 before passing it to emit_move_insn.
2328 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2330 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2332 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2333 Clarify documentation.
2334 * c-common.h (warn_write_strings): Remove.
2335 * c-common.c (warn_write_strings): Likewise.
2336 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2339 2006-02-12 Roger Sayle <roger@eyesopen.com>
2342 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2343 (do_jump_parts_zero_rtx): New function renamed from
2344 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2345 (do_jump_parts_equality_rtx): New function split out from
2346 do_jump_parts_equality. Old implementation renamed as above.
2347 Call do_jump_parts_zero_rtx if either operand is zero.
2348 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2349 do all of the heavy lifting.
2350 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2351 calling either do_jump_by_parts_greater_rtx or
2352 do_jump_by_parts_equality_rtx.
2353 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2354 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2355 moved to do_compare_rtx_and_jump, call it directly.
2356 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2357 mode argument. Call do_compare_rtx_and_jump.
2358 (emit_case_nodes): Update calls to do_jump_if_equal.
2360 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2362 PR rtl-optimization/26225
2363 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2365 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2367 PR rtl-optimization/26232
2368 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2370 2006-02-11 Jason Merrill <jason@redhat.com>
2373 * tree-inline.c (declare_return_variable): Just don't use the
2374 modify target if it's a gimple complex reg and the return slot
2377 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2379 * doc/contrib.texi: Update my entry.
2381 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2383 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2385 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2387 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2390 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2392 * doc/invoke.texi (-floop-optimize2): Removed.
2393 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2394 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2395 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2396 * common.opt (floop-optimize2): Removed.
2397 (fmove-loop-invariants): Enabled by default.
2399 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2401 * tree-if-conv.c (combine_blocks): Free the result of
2402 get_loop_exit_edges.
2404 2006-02-10 Jeff Law <law@redhat.com>
2406 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2408 PR tree-optimization/26213
2409 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2410 loop trying to follow SSA_NAME_VALUE chains.
2412 2006-02-10 Richard Guenther <rguenther@suse.de>
2414 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2415 deal with structures that end in implicitly variable sized arrays.
2417 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2419 PR rtl-optimization/24762
2420 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2423 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2425 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2426 (struct ivopts_data): Add regs_used field.
2427 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2428 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2429 instead of loop_data->regs_used;
2430 (free_loop_data): Do not free aux fields for loops.
2431 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2432 and tree_ssa_iv_optimize_finalize.
2434 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2436 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2438 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2441 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2442 computing the effective result type.
2444 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2447 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2448 (tree_overlaps_hard_reg_set): Declare.
2449 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2450 type and signature to match function type expected by walk_tree.
2451 (tree_overlaps_hard_reg_set): New function.
2452 (decl_conflicts_with_clobbers_p): Rename to:
2453 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2454 Use tree_overlaps_hard_reg_set. Changed caller.
2455 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2456 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2457 * cris.c (cris_md_asm_clobbers): Likewise.
2459 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2461 * reload1.c (emit_input_reload_insns): Delete code that tries to
2462 inherit using find_equiv_reg.
2464 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2466 * c-common.h (flag_const_strings): Don't declare.
2467 * c-common.c (flag_const_strings): Remove.
2468 * c.opt (fconst_strings): Remove.
2469 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2470 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2471 (c_common_init_options): Don't set flag_const_strings.
2472 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2474 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2476 * arm.md (tlobits_cbranch): New pattern.
2477 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2478 testing a single bit.
2480 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2483 * tree-ssa-pre.c (create_component_ref_by_pieces):
2484 Handle RETURN_DECL like VAR_DECL.
2486 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2489 * fold-const.c (fold_indirect_ref_1): Fold
2490 "*(foo *)&complexfoo" to "__real__ complexfoo"
2491 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2493 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2495 * tree-flow-inline.h (var_can_have_subvars):
2496 Volatile variables should not have subvariables.
2498 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2501 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2502 multiplying unsigned values.
2505 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2507 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2509 2006-02-08 Jason Merrill <jason@redhat.com>
2512 * tree.def: Elaborate on difference from MODIFY_EXPR.
2513 * doc/c-tree.texi (INIT_EXPR): Likewise.
2514 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2515 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2516 (gimplify_target_expr): Likewise.
2517 (gimplify_cond_expr): Remove target handling.
2518 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2519 (gimplify_expr): Clobber it here.
2520 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2521 Do return slot optimization if we have an INIT_EXPR.
2524 * tree-inline.c (declare_return_variable): Also clear
2525 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2528 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2531 * gimplify.c (gimplify_one_sizepos): Fix typo.
2533 2006-02-08 Jeff Law <law@redhat.com>
2535 PR tree-optimization/21417
2536 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2537 across a backedge if the control statement at the end of the
2538 block is data dependent on other statements in the same block.
2539 (record_temporary_equivalences_from_stmts): Remove over-conservative
2540 test for threading across backedges.
2542 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2543 control statement, handle all three special cases in the same
2544 manner as they all have the same desired solution. No longer
2545 special case edge flag updating when the post dominator is
2548 2006-02-08 Roger Sayle <roger@eyesopen.com>
2550 * tree.def (CHAR_TYPE): Remove.
2551 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2552 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2553 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2554 (gen_string_type_die): Delete unreachable function.
2556 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2557 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2558 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2559 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2560 * builtins.c (type_to_class): Likewise.
2561 * fold-const.c (fold_convert, build_range_check,
2562 merge_ranges): Likewise.
2563 * expr.c (count_type_elements): Likewise.
2564 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2565 * stor-layout.c (layout_type): Likewise.
2566 * ipa-type-escape.c (type_to_consider): Likewise.
2567 * gimplify.c (omp_firstprivatize_type_sizes,
2568 gimplify_type_sizes): Likewise.
2569 * explow.c (promote_mode): Likewise.
2570 * tree-sra.c (is_sra_scalar_type): Likewise.
2571 * varasm.c (output_constant): Likewise.
2572 * tree-inline.c (remap_type_1): Likewise.
2573 * convert.c (convert_to_pointer, convert_to_real,
2574 convert_to_integer, convert_to_complex): Likewise.
2576 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2578 * df-scan.c (df_def_record_1): A set destination may
2579 be a parallel regardless of mode.
2581 2006-02-08 Roger Sayle <roger@eyesopen.com>
2584 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2585 * config/mips/_tilib.c: Remove.
2586 * config/fixtfdi.c: New libgcc source file.
2587 * config/fixunstfdi.c: New source file.
2588 * config/floatditf.c: New source file.
2589 * config/floatunditf.c: New souce file.
2590 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2591 files above instead of config/mips/_tilib.c.
2592 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2594 2006-02-08 Jeff Law <law@redhat.com>
2596 PR tree-optimization/26169
2597 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2600 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2602 * df.h (DF_REG_SIZE): Return the length of the initialized
2605 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2607 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2608 __muldf3): Return a correctly signed zero.
2610 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2612 * passes.c (register_one_dump_file): Accept the current properties
2613 instead of pass number. Adjust call to dump_register. Remove
2615 (register_dump_files): Now a wrapper around...
2616 (register_dump_files_1): ... this one. Do not modify the pass
2618 (next_pass_1): Cosmetic fix.
2619 (execute_todo): Keep second parameter only. Use curr_properties
2620 instead of fetching it from the pass structure. Check and set
2622 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2623 instead of fetching it from the pass structure. Fix calls to
2624 execute_todo. Update curr_properties and initialize .vcg RTL dump
2625 after running the pass. Reset last_verified.
2626 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2628 (FIRST_AUTO_NUMBERED_DUMP): New.
2629 (dump_register): Remove "num" parameter, assign it within the
2631 (get_dump_file_name): Modify template for dumps.
2632 * tree-dump.h (dump_register): Adjust prototype.
2633 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2634 (PROP_trees): Add PROP_gimple_lomp.
2635 (TODO_set_props): New.
2636 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2637 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2638 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2640 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2642 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2643 (sparc64-*-linux*): Likewise.
2644 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2645 * config/sparc/t-linux: New file.
2646 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2647 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2648 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2649 -m32 -mlong-double-128.
2651 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2652 * config/alpha/t-linux: New file.
2653 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2655 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2656 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2657 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2658 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2659 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2660 (CPP_ARCH32_SPEC): Remove.
2662 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2664 PR tree-optimization/26145
2665 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2668 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2671 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2672 >= 240000 when generating code for SOM runtime.
2673 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2674 to $$dyncall when generating code for SOM runtime..
2676 2006-02-07 Dirk Mueller <dmueller@suse.com>
2679 * doc/invoke.texi (-Wsequence-point): Update documentation
2680 that -Wsequence-point is implemented for C++ as well.
2682 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2684 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2685 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2686 (LIB_SPEC): Likewise.
2687 * doc/invoke.texi (SPARC options): Document -pthread.
2689 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2691 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2694 2006-02-07 Roger Sayle <roger@eyesopen.com>
2696 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2697 Correct comment describing BOOLEAN_TYPE.
2699 2006-02-07 Dirk Mueller <dmueller@suse.com>
2701 * c.opt: C++ frontend supports -Wdiv-by-zero.
2702 * c-opts.c (c_common_handle_option): Remove dead case.
2704 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2706 * configure.ac (TLS assembler check): Do not enable TLS by
2707 default on SPARC/Solaris before version 10.
2708 * configure: Regenerate.
2710 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2712 * doc/invoke.texi (xl-compat): Document conversion and support
2715 2006-02-07 Jeff Law <law@redhat.com>
2717 * tree-vrp.c (find_conditional_asserts): Update comments.
2718 (simplify_stmt_for_jump_threading): New.
2719 (identify_jump_threads, finalize_jump_threads): New.
2720 (vrp_finalize): Call identify_jump_threads.
2721 (execute_vrp): Call finalize_jump_threads.
2722 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2723 (vrp_element, vrp_data, vrp_element_p): Remove.
2724 (vrp_hash_elt, vrp_variables_stack): Remove.
2725 (vrp_hash, vrp_eq, record_range): Remove.
2726 (simplify_cond_and_lookup_avail_expr): Remove.
2727 (extract_range_from_cond): Remove.
2728 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2729 (simplify_stmt_for_jump_threading): New.
2730 (dom_thread_across_edge): New wrapper.
2731 (tree_ssa_dominator_optimize): No longer initialize or
2732 finalize any of the VRP datastructures. Remove iteration
2733 step and simplify as a result of removal of iteration step.
2734 (pass_dominator): Perform a cfg cleanup after DOM.
2735 (dom_opt_finalize_block): Use the new common routines
2736 for threading jumps. Simplify stack management slightly.
2737 No longer need to unwind VRP state.
2738 (record_equivalences_from_incoming_edge): No longer record
2740 (eliminate_redundant_computations): No longer call
2741 simplify_cond_and_lookup_avail_expr.
2742 * tree-flow.h (potentially_threadable_block): Prototype.
2743 (thread_across_edge): Likewise.
2744 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2745 (tree-ssa-threadedge.o): Add dependencies.
2746 * tree-ssa-threadedge.c: New file.
2747 * passes.c (init_optimization_passes): Merge PHIs before
2748 calling VRP. Run VRP again late in the SSA optimization pipeline.
2750 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2752 * df-core.c (df_set_blocks): Do not dereference function pointers.
2753 (df_finish1): Likewise.
2754 (df_hybrid_search_forward): Likewise.
2755 (df_hybrid_search_backward): Likewise.
2756 (df_iterative_dataflow): Likewise.
2757 (df_analyze_problem): Likewise.
2758 (df_compact_blocks): Likewise.
2759 (df_dump): Likewise.
2760 * df-scan.c (df_rescan_blocks): Likewise.
2761 (df_record_entry_block_defs): Likewise.
2763 * genconditions.c (write_conditions): Guard the definition of
2764 'insn_conditions' with the check on GCC version.
2765 (write_writer): Guard the traversal 'insn_conditions' with
2766 the check on GCC version.
2768 2006-02-07 Richard Guenther <rguenther@suse.de>
2772 2006-01-30 Richard Guenther <rguenther@suse.de>
2774 * gimplify.c (gimplify_target_expr): Handle easy cases
2775 without creating a temporary.
2777 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2779 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2780 use of float in probability computations. Use edge probabilities
2781 in place of statically computed probabilities.
2782 (min_spec_prob): New static variable.
2783 (schedule_insns): Initialize it.
2784 (GET_SRC_PROB): Removed.
2785 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2787 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2790 * config/ia64/unwind-ia64.c: Revert last change.
2791 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2792 (INCOMING_FRAME_SP_OFFSET): Define.
2794 2006-02-06 Roger Sayle <roger@eyesopen.com>
2796 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2798 2006-02-07 Ben Elliston <bje@au.ibm.com>
2800 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2801 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2802 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2803 (ix86_return_in_memory): Handle TDmode.
2804 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2805 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2807 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2809 * reorg.c (dbr_schedule): Use dump_file instead of file.
2811 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2814 * config/ia64/predicates.md (extr_len_operand): New predicate.
2815 * config/ia64/ia64.md (extv): Tighten constraints.
2817 (*tbit_and_2): Ditto.
2818 (*tbit_and_3): Ditto.
2819 (*tbit_or_2): Ditto.
2820 (*tbit_or_3): Ditto.
2824 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2827 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2829 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2831 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2832 loop_optimizer_init and loop_optimizer_finalize
2833 * tree-ssa-sink.c (execute_sink_code): Ditto.
2834 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2835 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2836 tree_ssa_loop_done): Ditto.
2837 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2838 * sched-ebb.c: Include output.h.
2839 (schedule_ebbs): Do not use dump argument.
2840 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2841 * loop.c (loop_dump_stream): Removed.
2842 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2844 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2845 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2846 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2847 loop_iterations, strength_reduce, record_biv, record_giv,
2848 final_giv_value, check_final_value, check_ext_dependent_givs,
2849 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2850 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2851 dump_file instead of loop_dump_stream.
2852 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2854 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2856 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2857 * haifa-sched.c: Include output.h
2858 (schedule_insns, sched_init): Do not use dump argument.
2859 * mode-switching.c (optimize_mode_switching): Ditto.
2860 * modulo-sched.c (stats_file): Removed.
2861 (print_node_sched_params): Do not call argument dump_file.
2862 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2863 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2865 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2867 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2868 rtl_loop_init, rtl_loop_done): Ditto.
2869 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2870 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2872 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2873 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2874 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2875 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2876 * emit-rtl.c (renumber_insns): Ditto.
2877 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2878 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2879 * regclass.c (regclass): Ditto.
2880 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2881 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2882 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2883 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2885 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2886 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2888 * gcse.c (gcse_file, debug_stderr): Removed.
2889 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2890 rest_of_handle_gcse): Do not use dump argument.
2891 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2892 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2893 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2894 compute_code_hoist_vbeinout, compute_code_hoist_data,
2895 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2896 compute_store_table, build_store_vectors, insert_insn_start_bb,
2897 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2898 store_motion): Use dump_file instead of gcse_file.
2899 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2900 * profile.c (profile_dump_file): Removed.
2901 (branch_prob): Use dump_file instead of profile_dump_file.
2902 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2904 * tree-ssa-copy.c (dump_copy_of): Ditto.
2905 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2906 dump file to life_analysis.
2907 * bt-load.c (branch_target_load_optimize): Ditto.
2908 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2910 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2911 regclass, dbr_schedule): Declaration changed.
2912 * sched-int.h (sched_init): Declaration changed.
2913 * tree-profile.c (tree_profile_dump_file): Removed.
2914 (tree_profile_hooks): Removed profile_dump_file hook.
2915 * rtl-profile (rtl_profile_dump_file): Removed.
2916 (rtl_profile_hooks): emoved profile_dump_file hook.
2917 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2919 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2920 * tree-cfg.c (build_tree_cfg): Ditto.
2921 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2922 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2923 Declaration changed.
2924 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2925 life_analysis and schedule_insns.
2926 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2928 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2930 * config/mips/mips.c (mips_reorg): Ditto.
2931 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2934 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2936 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2937 (s390_mangle_fundamental_type): New.
2938 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2941 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2942 (alpha_mangle_fundamental_type): New.
2943 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2946 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2948 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2950 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2951 (sparc_mangle_fundamental_type): New.
2953 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2955 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2956 (s390x-*-linux*): Likewise.
2957 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2958 * config/s390/t-linux: New file.
2960 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2962 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2963 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2965 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2967 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2968 (ANTIC_SAFE_LOADS): New macro.
2969 (find_or_generate_expression): Add prototype.
2970 (set_contains_value): Allow null set for sake of not always having
2971 to allocate ANTIC_SAFE_LOADS.
2972 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2973 Allow COMPONENT_REF too.
2974 (valid_in_set): Allow COMPONENT_REF.
2975 Check ANTIC_SAFE_LOADS too.
2976 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2977 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2979 (can_PRE_operation): Add COMPONENT_REF.
2980 (create_component_ref_by_pieces): New function.
2981 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2982 (insert_aux): Move AGGREGATE_TYPE_P check here.
2983 (compute_avail): Set bb local stmt uids.
2984 (pass_pre): Use TODO_update_ssa_only_virtuals.
2986 2006-02-06 Ben Elliston <bje@au.ibm.com>
2988 * configure.ac: Unconditionally disable decimal float by default.
2989 * configure: Regenerate.
2991 2006-02-06 Ben Elliston <bje@au.ibm.com>
2993 * read-rtl.c (read_name): Terminate reading on EOF.
2995 2006-02-06 Ben Elliston <bje@au.ibm.com>
2997 * dfp.c (decimal_real_arithmetic): Change second argument type
2998 from int to enum tree_code. Do not always return true, but now
2999 return result of any call to decimal_do helper functions.
3000 * dfp.h (decimal_real_arithmetic): Update prototype.
3002 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3004 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
3006 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
3009 * tree-cfg.c (cleanup_dead_labels): Also don't remove
3012 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3014 * tree-vrp.c (cfg_loops): Removed.
3015 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
3016 Use current_loops instead of cfg_loops. Pass flags to
3017 loop_optimizer_init.
3018 * cfgloopmanip.c (fix_loop_structure): Update only available
3020 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
3021 loop_optimizer_init.
3022 * modulo-sched.c (build_loops_structure): Removed.
3023 (sms_schedule): Use loop_optimizer_init.
3024 * loop-init.c (loop_optimizer_init): Use flags to determine
3025 which properties of loops to prepare.
3026 (rtl_loop_init): Pass flags to loop_optimizer_init.
3027 * tree-ssa-sink.c (execute_sink_code): Ditto.
3028 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3029 * tree-ssa-pre.c (init_pre): Ditto.
3030 * cfgloop.h (LOOPS_NORMAL): New.
3031 (loop_optimizer_init): Declaration changed.
3033 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3035 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3036 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3038 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3040 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3042 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3043 * pa/t-pa64: Delete quadlib.c rule.
3044 * pa/x-ada: Revert last change.
3045 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3047 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3049 PR rtl-optimization/26087
3050 * rtlanal.c (canonicalize_condition): Do not cross basic block
3053 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3056 * config/ia64/ia64.c: Include debug.h.
3057 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3058 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3059 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3060 (process_epilogue, process_set, process_for_unwind_directive):
3061 Output unwind info only if requested. Add CFA info if requested.
3062 Add new arguments as needed. Adjust callers.
3063 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3065 (DWARF2_FRAME_INFO): Define to zero.
3066 * config/ia64/unwind-ia64.c: Remove code that compensated for
3067 the CFA offset error fixed above.
3068 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3069 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3070 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3071 -funwind-tables and -fexceptions to enable frame info.
3072 (dwarf2out_frame_init): Define initial CFA even if
3073 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3074 DWARF2_UNWIND_INFO is nonzero, not just defined.
3075 (dwarf2out_frame_finish): Output non-EH call frame info only
3076 if DWARF2_FRAME_INFO is nonzero.
3077 (convert_cfa_to_loc_list,
3078 compute_frame_pointer_to_cfa_displacement): Define even if
3079 unwind info is not supported.
3080 (gen_subprogram_die): Use the above unconditionally. Remove
3081 legacy alternate code.
3082 * toplev.c (compile_file): Compile in call to
3083 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3084 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3086 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3087 Jakub Jelinek <jakub@redhat.com>
3089 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3090 IBM extended float format long double as "g" on powerpc*-linux.
3092 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3095 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3096 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3098 2006-02-03 Jason Merrill <jason@redhat.com>
3101 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3104 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3105 on the return slot if it's an NRV.
3107 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3109 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3110 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3111 rewrite_use): Do not handle USE_OUTER.
3112 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3113 add_iv_outer_candidates, may_replace_final_value,
3114 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3115 (find_interesting_uses_op): Functionality of
3116 find_interesting_uses_outer_or_nonlin moved here.
3117 (find_interesting_uses_outside): Use find_interesting_uses_op.
3119 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3122 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3124 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3125 Ulrich Weigand <uweigand@de.ibm.com>
3128 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3129 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3130 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3131 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3133 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3134 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3135 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3136 Define secondary reloads for TFmode moves.
3137 (constant_modes): Add TFmode.
3138 (NR_C_MODES): Set to 8.
3139 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3141 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3142 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3143 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3144 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3145 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3146 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3147 (FPR mode macro): Add TFmode.
3148 (DSF mode macro): New.
3149 (<de>, <dee> mode attributes): Removed.
3150 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3151 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3152 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3153 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3154 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3155 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3156 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3157 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3158 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3159 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3160 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3161 "*negabs<mode>2", "sqrt<mode>2"):
3162 Changed <de> to <xde>. R constraint replaced by <Rf>.
3163 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3165 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3166 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3167 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3169 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3170 "extenddftf2", "extendsftf2"): New expanders.
3171 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3172 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3173 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3174 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3176 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3177 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3178 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3179 __floatditf): Add a GCC_4.1.0 symbol version tag.
3180 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3183 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3186 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3187 Use targetm.binds_local_p instead of TREE_PUBLIC.
3189 2006-02-02 Roger Sayle <roger@eyesopen.com>
3191 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3192 on INTEGER_TYPEs to indicate that it denotes a character type.
3193 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3194 signed_char_type_node, unsigned_char_type_node and char_type_node.
3195 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3196 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3197 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3199 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3200 Daniel Berlin <dberlin@dberlin.org>
3202 * tree-tailcall.c (arg_needs_copy_p): New function.
3203 (eliminate_tail_call): Use arg_needs_copy_p.
3204 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3205 (add_virtual_phis): New function.
3207 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3209 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3210 #ignore instead of #scratch for %g7 .register directive.
3212 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3214 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3217 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3219 * flow.c (calculate_global_regs_live): Assert that there aren't any
3222 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3224 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3226 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3227 bsi_after_labels iterator.
3228 * tree-if-conv.c (find_phi_replacement_condition,
3229 replace_phi_with_cond_modify_expr): Likewise.
3230 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3231 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3233 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3235 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3237 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3240 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3241 array after growing it.
3243 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3246 * fold-const.c (fold_checksum_tree): Change type of buf.
3248 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3250 * reload.c (push_secondary_reload): Initialize t_icode.
3252 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3254 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3255 -msoft-float -mlong-double-128 only issue a warning, but don't
3256 swich to DFmode long double.
3258 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3260 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3261 has a constant equivalent, iterate over equivalents for arg0,
3262 calling simplify_relational_operation and if there's a result
3263 cheaper than X, apply fold_rtx and return the result.
3265 2006-02-01 Jan Hubicka <jh@suse.cz>
3267 * opts.c (no_unit_at_a_time_default): New global variable.
3268 (decode_options): Use it.
3269 * opts.h (no_unit_at_a_time_default): Declare.
3271 2006-02-01 Paul Brook <paul@codesourcery.com>
3273 * function.c (assign_parm_setup_reg): Use function argument promotion
3275 * expr.c (expand_expr_real_1): Use function argument promotion rules
3278 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3280 * gcc.c (process_command): Change j to 'unsigned int'.
3282 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3285 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3286 Use the corrected index for the character
3287 out of the string constant.
3289 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3291 * mode-switching.c (optimize_mode_switching): Fix size
3292 allocated for bb_info[n_entities].
3294 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3296 * gcc.c (main): Correct type that is allocated for
3297 explicit_link_files.
3299 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3301 * config/s390/s390.c (init_alignment_context): Set
3302 ALIAS_SET_MEMORY_BARRIER on the MEM.
3303 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3305 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3308 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3310 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3313 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3315 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3316 * regrename.c: Ditto.
3317 * tree-ssa-loop-im.c: Ditto.
3318 * tree-dump.c: Ditto.
3319 * tree-complex.c: Ditto.
3320 * genrecog.c: Ditto.
3321 * tree-ssa-threadupdate.c: Ditto.
3323 * java/class.c: Ditto.
3324 * java/jcf-parse.c: Ditto.
3325 * java/resource.c: Ditto.
3326 * java/except.c: Ditto.
3327 * java/jvspec.c: Ditto.
3328 * java/jcf-write.c: Ditto.
3329 * java/jcf-path.c: Ditto.
3330 * java/gjavah.c: Ditto.
3331 * java/zextract.c: Ditto.
3332 * java/jcf-io.c: Ditto.
3333 * java/jcf.h: Ditto.
3334 * java/buffer.c: Ditto.
3335 * java/lang.c: Ditto.
3336 * java/parse-scan.y: Ditto.
3337 * java/lex.c: Ditto.
3338 * java/lex.h: Ditto.
3339 * cfgloopmanip.c: Ditto.
3340 * postreload-gcse.c: Ditto.
3341 * tree-ssa-loop-manip.c: Ditto.
3342 * postreload.c: Ditto.
3343 * tree-ssa-loop-ch.c: Ditto.
3347 * diagnostic.c: Ditto.
3349 * genoutput.c: Ditto.
3351 * cfghooks.c: Ditto.
3352 * cfgloopanal.c: Ditto.
3353 * objc/objc-act.c: Ditto.
3355 * genextract.c: Ditto.
3356 * genautomata.c: Ditto.
3357 * pretty-print.c: Ditto.
3359 * cgraphunit.c: Ditto.
3362 * haifa-sched.c: Ditto.
3363 * dominance.c: Ditto.
3365 * tree-ssa-loop-ivopts.c: Ditto.
3367 * mode-switching.c: Ditto.
3368 * modulo-sched.c: Ditto.
3370 * ipa-pure-const.c: Ditto.
3372 * fix-header.c: Ditto.
3374 * tree-stdarg.c: Ditto.
3375 * ipa-utils.c: Ditto.
3376 * loop-init.c: Ditto.
3377 * ipa-inline.c: Ditto.
3380 * alloc-pool.c: Ditto.
3381 * dwarf2out.c: Ditto.
3383 * genattrtab.c: Ditto.
3384 * tree-ssa-loop-ivcanon.c: Ditto.
3388 * fortran/gfortranspec.c: Ditto.
3390 * local-alloc.c: Ditto.
3391 * langhooks.c: Ditto.
3392 * function.c: Ditto.
3393 * tree-vectorizer.c: Ditto.
3395 * ipa-type-escape.c: Ditto.
3397 * tree-if-conv.c: Ditto.
3400 * tree-data-ref.c: Ditto.
3401 * loop-unroll.c: Ditto.
3402 * treelang/treetree.c: Ditto.
3405 * ggc-common.c: Ditto.
3407 * coverage.c: Ditto.
3409 * tree-cfgcleanup.c: Ditto.
3410 * tree-ssa-pre.c: Ditto.
3411 * cfgcleanup.c: Ditto.
3412 * loop-invariant.c: Ditto.
3414 * ipa-prop.c: Ditto.
3415 * print-tree.c: Ditto.
3416 * conflict.c: Ditto.
3417 * ggc-page.c: Ditto.
3418 * sched-deps.c: Ditto.
3419 * regclass.c: Ditto.
3420 * tree-object-size.c: Ditto.
3422 * bb-reorder.c: Ditto.
3423 * resource.c: Ditto.
3424 * var-tracking.c: Ditto.
3426 * df-problems.c: Ditto.
3427 * reg-stack.c: Ditto.
3430 * sched-rgn.c: Ditto.
3431 * tree-ssa-structalias.c: Ditto.
3432 * tree-ssa-reassoc.c: Ditto.
3433 * config/darwin-c.c: Ditto.
3434 * config/darwin.c: Ditto.
3435 * config/arm/arm.c: Ditto.
3437 * collect2.c: Ditto.
3440 2006-01-31 Nicolas Pitre <nico@cam.org>
3442 * arm.md (smaxsi3): Make aware of smax_m1.
3445 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3447 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3449 2006-01-31 Richard Guenther <rguenther@suse.de>
3451 * doc/invoke.texi (-msselibm): Document.
3452 * target.h (expand_library_builtin): New target hook.
3453 * builtins.c (expand_builtin): Use expand_library_builtin.
3454 (default_expand_library_builtin): New function.
3455 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3456 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3457 (link_gcc_math_spec): Declare.
3458 (static_specs): Add link_gcc_math_spec.
3459 * expr.h (default_expand_library_builtin): Declare.
3460 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3461 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3462 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3463 * config/i386/i386.opt (msselibm): New target option.
3464 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3465 (ix86_init_sse_abi_builtins): New function.
3466 (ix86_expand_library_builtin): Likewise.
3467 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3468 (override_options): Handle error conditions wrt -msselibm.
3469 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3470 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3471 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3474 2006-01-31 Richard Guenther <rguenther@suse.de>
3475 Paolo Bonzini <bonzini@gnu.org>
3477 * doc/install.texi (--disable-libgcc-math): Document.
3479 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3481 * expr.h (expand_normal): new inline function.
3482 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3484 * dwarf2out.c: use it.
3489 * config/sparc/sparc.c: use it.
3490 * config/i386/i386.c: use it.
3491 * config/rs6000/rs6000.c: use it.
3492 * config/arm/arm.c: use it.
3493 * config/mips/mips.c: use it.
3494 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3496 2006-01-30 Roger Sayle <roger@eyesopen.com>
3498 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3499 argv to the appropriate type.
3501 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3503 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3506 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3509 * config/s390/s390.c (struct machine_function): New flag
3510 decomposed_literal_pool_addresses_ok_p.
3511 (s390_reorg): Set it before final stage of literal pool transforms.
3512 (s390_decompose_address): Only accept displacements of the form
3513 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3515 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3517 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3518 the comparison routine return.
3520 2006-01-30 Michael Matz <matz@suse.de>
3522 * global.c (find_reg): Only evict for global regs.
3523 Take n_refs into account and dump more info.
3525 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3528 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3529 (pragma_trap, pragma_nosave_low_regs): Likewise.
3530 (current_function_anonymous_args): Likewise.
3531 (sh_deferred_function_attributes): New variable.
3532 (sh_deferred_function_attributes_tail): Likewise.
3533 (print_operand): For '@', look up trap_exit attribute.
3534 (calc_live_regs): Look up trapa_handler attribute. For trapa
3535 handlers, save/restore fpscr, but don't do any other
3536 interrupt-specific saves.
3537 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3538 Fix check for partially saved registers to check for SHmedia.
3539 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3540 (sh_output_function_epilogue): Don't clear any of the removed
3542 (sh_insert_attributes): Don't check pragma_interrupt.
3543 Insert deferred attributes. Check that interrupt attribute is
3544 present for other attributes that require its presence.
3545 (sh_attribute_table): Add new attributes trapa_handler and
3547 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3548 Don't check for pragma_interrupt. Don't store argument.
3549 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3550 (sh_deferred_function_attributes): Declare.
3551 (sh_deferred_function_attributes_tail): Likewise.
3552 * sh.md (sp_switch_1): Add operand. Change generator caller.
3553 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3554 (*return_i): Don't use when trap_exit attribute is in effect.
3555 (*return_trapa): New insn pattern.
3557 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3558 setting c_target_objs and cxx_target_objs.
3559 * t-sh: Add rule for sh-c.o.
3561 2006-01-30 Richard Guenther <rguenther@suse.de>
3564 * gimplify.c (gimplify_target_expr): Handle easy cases
3565 without creating a temporary.
3567 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3569 * vec.h (safe_grow): Remove duplicated line.
3571 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3574 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3575 (expand_omp): ... here.
3576 (expand_omp_parallel): Only remove barriers for combined
3577 parallel+workshare constructs.
3579 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3583 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3584 * tree.c (build_qualified_type): Chain the new type to the original
3585 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3586 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3587 (build_pointer_type_for_mode): Only return unqualified types.
3588 (build_reference_type_for_mode): Likewise.
3590 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3592 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3593 * Makefile.in (CXX_COMPAT_WARN): Define.
3594 * configure: Regenerate.
3596 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3599 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3602 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3604 * toplev.c: Fix thinko.
3606 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3607 Marcin Dalecki <martin@dalecki.de>
3609 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3610 (push_srcloc): Use XNEW.
3611 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3613 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3615 * df-core.c (df_set_blocks): Deleted all variable.
3617 2006-01-28 Ian Lance Taylor <ian@airs.com>
3619 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3620 cgraph_output_pending_asms.
3622 2006-01-28 Zack Weinberg <zackw@panix.com>
3624 * c.opt: Add -W(no-)overlength-strings.
3625 * doc/invoke.texi: Document it.
3626 * c-opts.c (c_common_handle_option): -pedantic implies
3627 -Woverlength-strings, if not explicitly disabled already.
3628 (c_common_post_options): -Woverlength-strings defaults to off, and
3629 is always off for C++.
3630 * c-common.c (fix_string_type): Issue warning about strings longer
3631 than is portable only if warn_overlength_strings. Rearrange code
3632 a little for clarity.
3633 * configure.in: Check for -Wno-overlength-strings as well before
3634 enabling -pedantic in stage 1.
3635 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3636 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3638 * genconditions.c (write_header, write_one_condition)
3639 (write_conditions, write_writer): Consolidate very long strings
3640 that were broken up to fit in C89 portable limit. Don't use
3641 printf when fputs will do.
3643 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3645 * combine.c (simplify_comparison <AND>): Check
3646 TRULY_NOOP_TRUNCATION before start using a subreg.
3648 * config/mips/mips.md (*branch_zero<mode>,
3649 *branch_zero<mode>_inverted, *branch_equality<mode>,
3650 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3651 Remove mode check from comparisons.
3653 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3655 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3657 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3659 * expmed.c (const_mult_add_overflow_p): Remove.
3660 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3662 * recog.c (validate_replace_rtx_subexp): Remove.
3663 * recog.h: Remove the prototype for
3664 validate_replace_rtx_subexp.
3666 * integrate.h: Remove the prototype for
3667 copy_decl_for_inlining.
3668 * rtl.h: Remove the prototype for mark_constant_function.
3669 * tree-vectorizer.h: Remove the prototype for
3670 vect_strip_conversion.
3672 * modulo-sched.c (create_partial_schedule,
3673 free_partial_schedule, reset_partial_schedule): Make them
3676 * hooks.c (hook_bool_rtx_int_false): Remove.
3677 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3679 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3681 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3682 and -mlong-double-128 are incompatible.
3683 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3684 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3685 (TARGET_LIBGCC2_CFLAGS): Define.
3686 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3687 (TARGET_LIBGCC2_CFLAGS): Same.
3688 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3690 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3693 * c-typeck.c (build_binary_op): Perform implicit casts of
3694 operands before shortening them.
3696 * cfgloopmanip.c (split_loop_bb): Remove.
3697 * cfgloop.h: Remove the prototype for split_loop_bb.
3699 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3700 * cfgloop.h: Remove the prototype for
3701 flow_loop_outside_edge_p.
3703 * emit-rtl.c (init_virtual_regs): Make it static.
3704 * function.h: Remove the prototype for init_virtual_regs.
3706 * recog.c (peephole2_optimize): Make it static.
3707 * recog.h: Remove the prototype for peephole2_optimize.
3709 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3711 * df-scan.c (df_record_entry_block_defs): Check if
3712 INCOMING_RETURN_ADDR_RTX is defined.
3714 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3715 Kenneth Zadeck <zadeck@naturalbridge.com>
3717 PR rtl-optimization/24762
3718 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3719 * targhooks.c (hook_void_bitmap): New hook prototype.
3720 * targhoohs.h (hook_void_bitmap): Ditto.
3721 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3722 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3723 * target.h (live_on_entry): New function pointer.
3724 * df-scan.c (df_all_hard_regs): Removed.
3725 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3726 (df_scan_free_internal): Added df->entry_block_defs.
3727 (df_scan_alloc): Ditto.
3728 (df_scan_dump): Ditto.
3729 (df_uses_record): Plumbed flag field properly thru calls.
3730 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3731 This part fixes PR24762.
3732 (df_bb_refs_record): Added code to make the frame and arg
3733 pointers live in EH blocks.
3734 (df_refs_record): Added call to df_record_entry_block_defs.
3735 (df_record_entry_block_defs): New function.
3736 * df-core.c: Added comments to describe new artifical defs.
3737 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3738 (entry_block_defs): New field in struct df.
3739 (df_all_hard_regs): Deleted.
3740 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3741 * df-problems.c (df_ru_bb_local_compute_process_def):
3742 Added code to handle artifical defs in the entry to a function.
3743 (df_ru_bb_local_compute): Ditto.
3744 (df_rd_bb_local_compute_process_def): Ditto.
3745 (df_rd_bb_local_compute): Ditto.
3746 (df_lr_bb_local_compute): Ditto.
3747 (df_ur_bb_local_compute): Ditto.
3748 (df_urec_bb_local_compute): Ditto.
3749 (df_chain_create_bb): Ditto.
3750 (df_ur_local_finalize): Removed entry.
3751 (df_urec_init): Ditto.
3752 (df_urec_local_finalize): Ditto.
3753 (df_ri_bb_compute): Added detection of last use of pseudos.
3754 * Makefile.in (df-scan.o): Updated dependencies.
3755 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3756 * config/mips/mips.c (mips_set_live_on_entry): Added.
3757 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3759 * dce.c (marked_insn_p): Added code to handle artifical defs.
3761 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3763 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3765 (_mm_cvtsi128_si64): Likewise.
3766 (_mm_cvtsd_si64): Likewise.
3767 (_mm_cvttsd_si64): Likewise.
3768 (_mm_cvtsi64_sd): Likewise.
3769 (_mm_cvtsi64_si128): Likewise.
3770 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3771 (_mm_cvtsi64_m64): Likewise.
3772 (_m_to_int64): Likewise.
3773 (_mm_cvtm64_si64): Likewise.
3774 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3775 (_mm_cvttss_si64): Likewise.
3776 (_mm_cvtsi64_ss): Likewise.
3777 (_mm_cvtss_f32): Likewise.
3779 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3781 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3782 for pragma redefine_extname.
3784 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3787 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3788 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3789 -mno-minimal-toc to previous content.
3790 (bispecs): Remove goal.
3791 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3792 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3793 compatibility aliases on powerpc-*-*gnu*.
3794 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3795 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3796 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3797 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3798 (ldblspecs): New goal.
3799 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3800 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3802 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3803 L_sf_to_tf or L_df_to_tf is defined.
3805 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3806 Alan Modra <amodra@bigpond.net.au>
3809 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3810 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3811 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3812 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3813 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3814 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3815 (rs6000_override_options): Initialize rs6000_ieeequad.
3816 Initialize TFmode format to ibm_extended_format if not
3818 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3820 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3821 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3822 (function_arg_advance): IBM long double passed in two FPRs, not
3824 (function_arg): IBM long double passed in FPRs.
3825 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3826 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3827 Only multireg GPR aligned.
3828 (rs6000_init_libfuncs): Enable IBM long double functions if not
3830 (rs6000_generate_compare): Use IBM long double compare if not
3832 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3833 (TARGET_IEEEQUAD): Define.
3834 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3835 not TARGET_IEEEQUAD.
3836 * config/rs6000/rs6000.md: Enable TFmode patterns if
3838 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3839 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3840 and -mlong-double-128 are incompatible.
3841 * doc/invoke.texi (-mabi): Collect options together. Add
3842 ibmlongdouble and ieeelongdouble.
3844 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3846 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3848 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3849 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3850 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3851 * rtl.h (rtunion_def): Remove rt_ptr.
3853 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3854 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3855 * config/i386/winnt.c (i386_pe_mark_dllexport)
3856 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3858 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3860 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3862 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3866 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3867 pthread_key_delete. From John David Anglin. gthrw-ify
3868 pthread_getunique_np only if it it's not a macro. Delete
3870 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3871 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3872 __gthread_objc_condition_signal, __gthread_key_delete): Add
3873 "__attribute__ ((__unused__))" to unused arguments.
3874 (__gthread_recursive_mutex_init_function): Add missing return.
3875 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3876 gthr-posix95.h: Use macro-based approach for name redirection
3877 on targets missing weakref.
3879 2006-01-26 Zack Weinberg <zackw@panix.com>
3881 * genconditions.c (write_header): In generated code, #ifdef out
3882 all includes and fake declarations, except includes of bconfig.h
3883 and system.h, unless GCC_VERSION >= 3001. Do not include
3884 gensupport.h in any case.
3885 (write_conditions): Generate a definition of struct c_test. Add
3886 a comment to the generated #endif.
3887 (write_one_condition): Escape backslashes in string too.
3888 (write_writer): Generated code must escape backslashes and quote
3889 marks (but not newlines) in the strings it writes.
3890 * Makefile.in (build/gencondmd.o): Update dependencies.
3892 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3895 * Makefile.in (insn-automata.o): Add header file dependencies.
3896 * genautomata.c: Add includes.
3898 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3901 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3903 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3905 * configure.ac: Expect target tools paths to be passed from the toplevel
3906 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3908 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3910 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3913 * c.opt (Wpointer-sign): Init to -1.
3914 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3915 OPT_pedantic, to 0 otherwise.
3916 * doc/invoke.texi: Update.
3918 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3920 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3921 constants provided by 80387 instructions in the destination mode.
3923 2006-01-26 Richard Guenther <rguenther@suse.de>
3924 Andrew Pinski <pinskia@physics.uc.edu>
3927 partial PR tree-opt/17064
3928 * tree-ssa-structalias.c (intra_create_variable_infos):
3929 Create heap variables for incoming parameters if
3930 flag_argument_noalias > 1.
3931 (find_what_p_points_to): Look through default defs of
3934 2006-01-26 Jeff Law <law@redhat.com>
3937 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3938 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3939 within the VR_RANGE, use the VR_RANGE as the result, not the
3941 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3942 bounds for the type.
3944 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3946 * tree-ssa-alias.c (maybe_create_global_var): Change
3947 subvar walking to an assertion that we don't have subvar'd variables.
3949 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3952 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3953 Use a new variable, inner. PARM_DECLs are always non-weak.
3955 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3957 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3960 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3962 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3964 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3966 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3967 (smax_insn, smin_insn, smax_0, smin_0): New.
3969 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3972 * config/cris/cris.c (cris_order_for_addsi3): New function.
3973 * config/cris/cris-protos.h: Prototype it.
3974 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3975 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3976 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3977 (split for "op.S1 [rx=rx+i],ry (swapped)")
3978 (split for "op(s|u).S1 [rx=rx+i],ry")
3979 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3980 Apply cris_order_for_addsi3 when generating addsi3 insns.
3982 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3984 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3985 (TREE_BLOCK): Add call to EXPR_CHECK.
3987 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3990 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3991 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3992 (dump_omp_clauses): ... here.
3993 (dump_generic_node): Handle OMP_CLAUSE.
3994 * tree.c (omp_clause_num_ops): New.
3995 (omp_clause_code_name): New.
3996 (tree_code_size): Handle OMP_CLAUSE.
3997 (tree_size): Likewise.
3998 (make_node): Document handling of OMP_CLAUSE.
3999 (tree_node_structure): Handle OMP_CLAUSE.
4000 (omp_clause_check_failed): New.
4001 (omp_clause_range_check_failed): New.
4002 (omp_clause_operand_check_failed): New.
4003 (build_omp_clause): New.
4004 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
4005 * tree.h (enum omp_clause_code): Declare.
4006 (OMP_CLAUSE_SUBCODE_CHECK): Define.
4007 (OMP_CLAUSE_RANGE_CHECK): Define.
4008 (OMP_CLAUSE_ELT_CHECK): Define.
4009 (omp_clause_check_failed): Declare.
4010 (omp_clause_operand_check_failed): Declare.
4011 (omp_clause_range_check_failed): Declare.
4012 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
4013 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
4014 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
4015 (OMP_CLAUSE_LASTPRIVATE): Likewise.
4016 (OMP_CLAUSE_IF_EXPR): Likewise.
4017 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
4018 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
4019 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
4020 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
4021 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
4022 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
4023 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
4024 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
4025 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
4026 (OMP_CLAUSE_CODE): Define.
4027 (OMP_CLAUSE_SET_CODE): Define.
4028 (OMP_CLAUSE_CODE): Define.
4029 (OMP_CLAUSE_OPERAND): Define.
4030 (struct tree_omp_clause): Declare.
4031 (union tree_node): Add field 'omp_clause'.
4032 * treestruct.def (TS_OMP_CLAUSE): Define.
4033 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
4034 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
4035 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
4036 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
4037 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
4038 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
4039 (OMP_CLAUSE): Define.
4040 * print-tree.c (print_node): Handle OMP_CLAUSE.
4041 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
4042 * c-typeck.c: Likewise.
4043 * gimplify.c: Likewise.
4044 * c-omp.c: Likewise.
4045 * tree-nested.c: Likewise.
4046 * tree-inline.c: Likewise.
4047 * c-parser.c: Likewise.
4048 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4051 2006-01-25 Roger Sayle <roger@eyesopen.com>
4053 PR rtl-optimization/25703
4054 * combine.c (try_combine): Handle zero_extract and strict_low_part
4055 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4057 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4059 * global.c: Fix comment typos.
4061 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4064 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4065 Use output_addr_const instead of assemble_name.
4067 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4069 * Makefile.in (sched-vis.o): Update dependencies.
4070 * haifa-sched.c (sched_finish): Clear current_sched_info.
4071 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4072 (dump_flow_info): Call it.
4073 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4075 * basic-block.h (dump_bb_info): Declare.
4076 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4077 option, and apply options only for dump files whose TDF_RTL,
4078 TDF_TREE, or TDF_IPA bits match.
4079 * rtl.h: Declare new functions exported from sched-vis.c.
4080 * sched-vis.c: Enable also if scheduling is not used.
4081 (print_value): Print the mode of registers if not inside scheduling.
4082 (print_insn): Make it work outside the scheduler. Beautify the output
4084 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4086 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4088 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4089 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4090 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4091 depending on the value of CONSTANT_POOL_ADDRESS_P.
4092 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4094 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4095 rather than SYMBOL_REF_DECL.
4096 (rtx_constant_pool): Remove const_rtx_sym_htab.
4097 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4098 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4099 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4100 Remove handling of const_rtx_sym_htab.
4101 (find_pool_constant): Delete.
4102 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4103 rather than find_pool_constant.
4104 (get_pool_constant_for_function): Delete.
4105 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4107 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4108 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4109 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4110 (SYMBOL_REF_CONSTANT): New macro.
4111 (get_pool_constant_for_function): Delete.
4112 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4113 rather than SYMBOL_REF_DECL.
4114 (i386_pe_mark_dllimport): Likewise.
4115 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4116 rather than SYMBOL_REF_DECL.
4117 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4118 (machopic_indirect_call_target): Likewise.
4120 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4122 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4124 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4126 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4128 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4130 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4132 2006-01-24 David Daney <ddaney@avtrex.com>
4135 * configure.ac (enable_tls): New enable option.
4136 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4137 * configure: Regenerate.
4138 * doc/install.texi (--enable-tls): Document new option.
4139 (--disable-tls): Ditto.
4141 2006-01-24 Richard Henderson <rth@redehat.com>
4143 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4144 * alias.c (true_dependence): Respect it.
4145 (canon_true_dependence, write_dependence_p): Likewise.
4146 * builtins.c (get_builtin_sync_mem): Set it.
4148 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4150 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4153 2006-01-24 DJ Delorie <dj@redhat.com>
4155 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4156 for storing constants in single-bit bitfields.
4158 2006-01-25 Ben Elliston <bje@au.ibm.com>
4160 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4162 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4165 * tree-ssa-pre.c (phi_translate): Return NULL
4166 for AGGREGATE_TYPE's.
4168 2006-01-24 Zack Weinberg <zackw@panix.com>
4170 * genautomata.c (process_state_for_insn_equiv_partition):
4171 Use xcalloc for insn_arcs_array.
4172 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4173 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4175 2006-01-24 Richard Henderson <rth@redhat.com>
4177 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4180 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4182 PR rtl-optimization/25890
4183 PR rtl-optimization/25905
4184 * combine.c (expand_compound_operation, expand_field_assignment):
4185 Fail if the bitfield's final position is out of bounds.
4187 2006-01-24 Ian Lance Taylor <ian@airs.com>
4190 * cgraphunit.c (cgraph_output_in_order): Don't clear
4191 cgraph_asm_nodes until after asm strings have been output.
4193 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4195 * fix-header.c (read_scan_file): Add new parameter imultilib when
4196 calling register_include_chains.
4198 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4200 * omp-low.c: Update documentation.
4202 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4203 Daniel Berlin <dberlin@dberlin.org>
4207 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4208 return from the function.
4210 2006-01-22 Zack Weinberg <zackw@panix.com>
4212 * rtl.def (match_code): Add second argument.
4213 * genpreds.c (write_extract_subexp): New function.
4214 (write_match_code): Add path argument. Use write_extract_subexp.
4215 (write_predicate_expr): Pass path to write_match_code.
4216 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4217 not perform a mode test.
4218 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4219 a subexpression does not constrain the top-level code set.
4220 * read-rtl.c (read_rtx_variadic): New function.
4221 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4222 * doc/md.texi: Document new notation.
4223 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4224 (cmpsi_operand): ... here, using new notation.
4226 2006-01-22 Zack Weinberg <zackw@panix.com>
4228 * varray.c: Remove GENERATOR_FILE #ifdefs.
4230 2006-01-22 Zack Weinberg <zackw@panix.com>
4232 * genautomata.c (output_reserved_units_table): Emit nothing if
4233 description->query_units_num is zero. Remove extra blank line.
4234 (output_cpu_unit_reservation_p): Short circuit
4235 if description->query_units_num is zero.
4237 2006-01-22 Zack Weinberg <zackw@panix.com>
4239 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4240 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4241 nor any of the random handful of variables that used to be necessary
4242 when this program was linked with rtlanal.o. Prune set of forward
4243 function declarations.
4244 (struct attr_desc): Remove static_p field.
4245 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4246 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4247 (attr_string): Do not read the character one past the length of
4249 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4250 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4251 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4252 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4253 (make_automaton_attrs): New.
4254 (main): Do not call into genautomata. Call local gen_bypass
4255 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4256 Remove special case for insn_alts.
4257 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4258 varray.h (leftover from previous change). Prune set of forward
4259 function declarations. Remove state_alts fields from all
4260 structures. Remove state_alts_table from struct automaton.
4261 Make everything except main static. Do not maintain num_dfa_decls.
4262 Do not maintain state_alts fields of various structures.
4263 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4264 (add_arc): Remove state_alts argument. All callers updated.
4265 (output_reserved_units_table): Emit #ifdef here...
4266 (output_tables): ...not here. Don't generate state_alts tables.
4267 (expand_automata): Don't generate attributes.
4268 (write_automata): Don't generate state_alts functions.
4269 (main): New function.
4270 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4271 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4272 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4273 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4274 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4275 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4276 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4277 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4279 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4280 * genattrtab.h: Delete file.
4281 * Makefile.in (OBJS-common): Add insn-automata.o.
4282 (insn-automata.o): New rule.
4283 (simple_generated_c): Add insn-automata.c.
4284 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4285 (genprogmd): Add automata.
4286 (build/genattrtab): Needs no extra objects nor libraries.
4287 (build/genautomata): Needs build/vec.o and -lm.
4289 2006-01-22 Zack Weinberg <zackw@panix.com>
4291 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4292 (output_dfa_max_issue_rate, locked_states_num): Delete.
4293 (struct automaton): Add locked_states field.
4294 (output_dead_lock_vect): Save number of locked states in
4295 automaton->locked_states. If it is zero, don't print anything.
4296 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4297 (output_internal_dead_lock_func): Only test the dead_lock_vect
4298 for automata that have locked states.
4299 (output_statistics): Always print the number of locked states for
4300 each automaton. Calculate total number of locked states here.
4301 (write_automata): Don't call output_dfa_max_issue_rate.
4302 * genattrtab.c: Define length_unit_log as a const variable.
4303 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4304 max_insn_queue_index const.
4305 * final.c (length_unit_log): Declare const.
4306 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4308 2006-01-22 Zack Weinberg <zackw@panix.com>
4310 * genautomata.c: Include vec.h, not varray.h.
4311 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4312 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4313 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4314 VEC_* macros operating on appropriately typed vectors, or to
4315 malloced arrays when the size is known in advance. Const-ify
4316 many char* variables and function arguments. No functional changes.
4317 * Makefile.in (build/varray.o): Delete rule.
4318 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4319 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4321 2006-01-22 Zack Weinberg <zackw@panix.com>
4323 * gensupport.c: Define get_insn_name and record_insn_name here.
4324 (read_md_rtx): Call record_insn_name as appropriate.
4325 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4326 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4327 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4329 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4330 (BUILD_VARRAY): Delete.
4331 (genprognormal): Rename genprogmd. Fold in all programs from
4332 genprognoprint; also attrtab.
4333 (build/genattrtab): Just mention genautomata.o and varray.o.
4334 Reorganize a bit, add comments to make the categories clearer.
4336 2006-01-22 Zack Weinberg <zackw@panix.com>
4338 * genconditions.c (condition_table, add_condition): Delete.
4339 (write_conditions): Don't emit n_insn_conditions nor
4340 insn_elision_unavailable. Issue the gcc version #ifdef here,
4341 inside the table, with no #else clause ...
4342 (write_header): ...not here.
4343 (write_writer): New function.
4344 (main): Don't initialize condition_table. Use add_c_test.
4346 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4347 files on the command line.
4348 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4349 Return -1 if there is no entry in the table, don't abort.
4350 (add_c_test, traverse_c_tests): New functions.
4351 * gensupport.h (insn_elision_unavailable, insn_conditions)
4352 (n_insn_conditions): Delete declarations.
4353 (add_c_test, traverse_c_tests): Declare.
4354 * read-rtl.c: Include gensupport.h.
4355 (read_conditions): New function.
4356 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4357 (read_rtx_1): If we get EOF when we were looking for an initial
4358 open paren, return 0. Call read_conditions when appropriate.
4359 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4360 dummy-conditions.o. Eliminate references to insn-conditions.o,
4361 or change them to build/gencondmd.o, as appropriate. Remove
4362 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4363 from $(simple_generated_c). For all files remaining in those
4364 two lists, add insn-conditions.md to the generator command line.
4365 Give insn-constants.h/s-constants their own rules. Add rules
4366 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4367 (build/read-rtl.o): Depend on gensupport.h.
4368 (genprognormal): Include preds.
4369 (genprogearly): Rename genprognoprint; only difference is now that
4370 they don't link with $(BUILD_PRINT).
4371 * dummy-conditions.c: Delete.
4373 2006-01-22 Zack Weinberg <zackw@panix.com>
4375 * genextract.c: Don't include insn-config.h. Do include vec.h.
4376 Declare vectors of int, char, and locstr.
4377 (locstr): New typedef.
4378 (struct extraction): Make all array fields into bare pointers.
4379 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4380 (insn_code_number): Delete.
4381 (accum_extract): New struct.
4382 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4383 (gen_insn): Take insn_code_number as an argument. Use an
4384 accum_extract structure instead of loading data directly into
4385 a struct extraction, and having to know how big it might get.
4386 (walk_rtx): Operate entirely on an accum_extract structure.
4387 (print_path): Avoid unnecessary use of printf.
4388 (print_header): New function, split out of main. Distinguish
4389 more carefully between an unrecognizable insn and an insn that
4390 has the code number of a define_expand.
4391 (main): Pass insn_code_number to gen_insn. Call print_header
4392 only after parsing. Avoid unnecessary use of printf.
4393 * Makefile.in (build/vec.o): New rule.
4394 (build/genextract): Depend on build/vec.o.
4395 (build/genextract.o): Don't depend on insn-config.h.
4397 2006-01-22 Zack Weinberg <zackw@panix.com>
4399 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4400 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4401 practical. Eliminate per-generator-program link rules.
4403 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4406 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4407 with a call expr to ...
4408 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4410 2006-01-23 Richard Guenther <rguenther@suse.de>
4412 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4413 before make_edge with conditional EDGE_TRUE_VALUE.
4415 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4416 Jan Hubicka <jh@suse.cz>
4417 Richard Guenther <rguenther@suse.de>
4419 PR rtl-optimization/25654
4420 * cfgexpand.c (aggregate_contains_union_type): New function.
4421 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4422 for structure variables that contain a union type.
4424 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4426 * gengtype.c (new_structure): Return the structure.
4427 (create_option): Add an extra "next" argument.
4428 (create_field): New function.
4429 (adjust_field_rtx_def): Use create_option and create_field.
4430 Remove a now-unnecessary call to find_structure.
4431 (adjust_field_tree_def): Likewise.
4432 (note_yacc_type): Remove an unnecessary call to find_structure.
4433 * gengtype.h (new_structure): Return the structure.
4434 (create_option): Add an extra argument.
4435 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4436 (option): Adjust calls to create_option.
4438 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4440 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4442 2006-01-22 Paul Brook <paul@codesourcery.com>
4443 Peter Barada <peter@the-baradas.com>
4445 * config/m68k/m68k.md: Add Coldfire FPU support.
4446 Define FP mode macro and associated attributes.
4447 Use it for float mode patterns.
4448 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4449 (LIBCALL_VALUE): Use m68k_libcall_value.
4450 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4451 (m68k_function_value): Ditto.
4452 (emit_move_sequence): Ditto.
4453 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4454 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4455 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4456 (MULTILIB_EXCEPTIONS): Ditto.
4457 * config/m68k/m68k.opt: Add mcfv4e.
4458 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4459 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4460 (m68k_output_function_prologue): Save ColdFire FPU registers.
4461 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4462 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4463 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4464 ColdFire FPU registers.
4465 (m68k_libcall_value, m68k_function_value): New functions.
4466 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4467 (LIBCALL_VALUE): Use m68k_libcall_value.
4468 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4469 (MASK_COLDFIRE): Add MASK_CFV4E.
4470 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4471 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4472 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4473 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4474 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4475 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4476 * doc/invoke.tex: Document -mcfv4e on m68k.
4478 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4480 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4483 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4486 * c-opts.c (c_common_handle_option): Don't include
4487 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4488 * doc/invoke.texi (C++ Dialect Options): Document that
4489 -Wnon-virtual-dtor is no longer included in -Wall.
4491 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4493 * gcov.c (print_version), gcov-dump.c (print_version),
4494 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4497 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4499 * df-scan.c (problem_SCAN): Added NULL reset function.
4500 (df_scan_reset_blocks): Added code to call reset block function
4501 (df_bb_refs_delete) Fixed comment.
4502 (df_insn_refs_delete): Made tolerant of deleting non existent info
4503 for dataflow problems that need to be reset.
4504 * df-core.c (df_set_blocks): Ditto.
4505 * df.h (struct df_problem): Added reset_fun.
4506 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4507 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4508 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4509 functions to clear out all references to def-use or use-def chains.
4511 2006-01-21 Ben Elliston <bje@au.ibm.com>
4513 * varasm.c (assemble_real): Initialise data array.
4515 2006-01-20 Paul Brook <paul@codesourcery.com>
4517 Merge from csl-arm-branch.
4518 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4519 * config/arm/arm.md (movdi): Force operands[1] to a register
4520 if we have a non-register source.
4521 (*arm_movdi, *movdf_soft_insn): Require that one of the
4522 operands be a register.
4523 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4524 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4526 2006-01-20 DJ Delorie <dj@redhat.com>
4528 * varasm.c (initialize_constant_valid_p): Allow pointers
4529 initialized from integer constants of lesser precision.
4530 (output_constant): Allow non-int-sized pointer modes to be
4531 initialized from integer constants.
4533 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4536 * cppdefault.h (struct default_include): Add multilib flag.
4537 * cppdefault.c (cpp_include_defaults): Set it.
4538 * c.opt (-imultilib): New option.
4539 * c-opts.c (imultilib): New.
4540 (c_common_handle_option): Handle -imultilib.
4541 (c_common_post_options): Likewise.
4542 * c-incpath.c (add_standard_paths, register_include_chains):
4544 * c-incpath.h (register_include_chains): Add extra parameter.
4545 * gcc.c (do_spec_1): Generate -imultilib option.
4546 (The Specs Language): Update %I description.
4547 (process_command): Update copyright notice.
4548 * doc/cppopts.texi (-imultilib): Document.
4549 * doc/invoke.texi (-imultilib): Include in option summary.
4550 (%I): Update specs documentation.
4552 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4554 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4556 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4558 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4561 2006-01-20 Richard Guenther <rguenther@suse.de>
4562 Steven Bosscher <stevenb.gcc@gmail.com>
4564 PR rtl-optimization/24626
4565 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4566 EDGE_TRUE_VALUE if in RTL mode.
4569 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4570 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4572 2006-01-20 Dirk Mueller <dmueller@suse.com>
4575 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4576 instead of a special NOP marker.
4577 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4578 NOP marker handling.
4579 * c-common.h (empty_body_warning): Add forward declaration.
4580 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4581 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4583 2006-01-20 Paul Brook <paul@codesourcery.com>
4585 * Makefile.in (lang_checks): Keep going if mkdir fails.
4587 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4589 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4590 be able to clean out basic block when not necessary.
4591 (df_scan_free): Fixed to properly delete information if df is
4592 unused before calling df_finish.
4593 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4594 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4596 (df_bb_refs_delete): New function.
4597 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4598 * df-core.c (df_set_blocks): Added code to properly clean out
4599 unused blocks if they are not part of the blocks to consider.
4600 Added additional null check.
4601 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4602 be able to clean out basic block when not necessary
4603 * df.h (df_free_bb_function): Ditto.
4604 (df_bb_refs_delete): New function.
4605 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4606 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4607 basic block parameter to be able to clean out basic block when not
4609 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4610 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4611 Fixed to properly delete information if df is unused before
4614 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4616 PR rtl-optimization/25799
4617 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4618 Corrected confluence operator to remove bits from op2 before oring
4619 with op1 rather than removing bits from op1.
4620 (df_ru_transfer_function): Corrected test on wrong bitmap which
4621 caused infinite loop. Both of these problems were introduced in
4622 the dataflow rewrite.
4624 2006-01-19 DJ Delorie <dj@redhat.com>
4626 * reload1.c (find_reload_regs): Note the details of reload
4627 failures in the dump file.
4628 (spill_failure): Likewise.
4630 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4632 * loop-iv.c: Include df.h and hashtab.h.
4633 (enum iv_grd_result): New enum.
4634 (DF_REF_IV, DF_REF_IV_SET): New macros.
4635 (struct biv_entry): New.
4636 (df, bivs): New global variables.
4637 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4638 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4640 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4641 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4642 analyzed_for_bivness_p, record_biv): New functions.
4643 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4644 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4645 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4647 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4649 (iv_number_of_iterations): Use new interface to iv analysis.
4650 * loop-unroll.c: Do not include varray.h.
4651 (analyze_iv_to_split_insn): Use new interface to iv
4653 * loop-unswitch.c (may_unswitch_on): Ditto.
4654 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4656 (df_bb_modify): Realloc tables to the new index.
4657 (df_find_use): New function.
4658 * df.h (df_find_use): Declare.
4659 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4661 * cfgloop.h (struct rtx_iv): Remove analysed field.
4662 (iv_get_reaching_def): Removed.
4663 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4664 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4665 (loop-iv.o): Add df.h and hashtab.h dependency.
4666 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4668 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4671 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4673 (__floatundisf, __floatundidf): Likewise.
4674 * libgcc2.h (IS_IBM_EXTENDED): Define.
4676 2006-01-19 DJ Delorie <dj@redhat.com>
4678 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4680 2006-01-19 Paul Brook <paul@codesourcery.com>
4682 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4683 as nothrow when unwinding tables are disabled.
4685 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4688 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4689 of bit-field" when in system header.
4691 2006-01-19 DJ Delorie <dj@redhat.com>
4693 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4694 the 16 bit shift limit of the m16c.
4696 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4699 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4700 * config/i386/i386.c (output_set_got): Output the label if we have one
4701 for the TARGET_DEEP_BRANCH_PREDICTION case.
4703 2006-01-19 Jan Hubicka <jh@suse.cz>
4704 H.J. Lu <hongjiu.lu@intel.com>
4705 Evandro Menezes <evandro.menezes@amd.com>
4707 * invoke.texi (generic): Document
4709 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4710 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4711 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4712 (x86_use_incdec, x86_pad_returns): New variables
4713 (TARGET_CPU_DEFAULT_generic): New constant
4714 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4715 (enum processor_type): Add generic32 and generic64.
4716 * i386.md (cpu attribute): Add generic32/generic64
4717 (movhi splitter): Behave sanely when both partial_reg_dependency and
4718 partial_reg_stall are set.
4719 (K8 splitters): Enable for generic as well.
4720 * predicates.md (incdec_operand): Use TARGET_INCDEC
4721 (aligned_operand): Avoid memory mismatch stalls.
4722 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4723 * ppro.md: Enable for generic32
4724 * i386.c (generic64_cost, generic32_cost): New.
4725 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4726 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4727 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4728 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4729 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4730 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4731 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4732 x86_accumulate_outgoing_args, x86_prologue_using_move,
4733 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4734 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4736 (x86_use_incdec, x86_pad_returns): New.
4737 (override_options): Add generic32 and generic64, translate "generic"
4738 to generic32/generic64 and "i686" to "generic32", refuse
4739 "generic32"/"generic64" as arch target.
4740 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4741 (ix86_reorg): Honor PAD_RETURNS.
4743 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4745 * tree-pretty-print.c (dump_generic_node): Handle
4746 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4747 * cgraph.c (cgraph_expand_queue): Rename from
4748 cgraph_analyze_queue. Update all users.
4749 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4750 cgraph_expand_queue.
4751 (cgraph_expand_all_functions): Likewise.
4752 (cgraph_finalize_pending_functions): Remove. Update callers.
4754 * tree.h (OMP_DIRECTIVE_P): Define.
4755 (OMP_PARALLEL_FN): Define.
4756 (OMP_PARALLEL_DATA_ARG): Define.
4757 (OMP_SECTIONS_SECTIONS): Define.
4758 * tree-pass.h (pass_expand_omp): Declare.
4759 * omp-low.c (struct omp_region): Declare.
4760 (struct omp_context): Remove fields 'parallel_type',
4761 'parallel_start_ix' and 'parallel_start_additional_args'.
4763 (struct omp_for_data): Rename from struct expand_omp_for_data.
4764 (omp_regions): New static variable.
4765 (root_omp_region): New static variable.
4766 (find_omp_clause): Make static.
4767 (is_in_combined_parallel_ctx): Remove.
4768 (is_combined_parallel): New.
4769 (extract_omp_for_data): Move earlier in the file.
4770 (workshare_safe_to_combine_p): New.
4771 (get_ws_args_for): New.
4772 (determine_parallel_type): Move earlier in the file.
4773 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4775 (omp_copy_decl): Likewise.
4776 (create_omp_child_function): Likewise.
4777 (lookup_omp_region): New.
4778 (dump_omp_region): New.
4779 (debug_omp_region): New.
4780 (debug_all_omp_regions): New.
4781 (new_omp_region): New.
4782 (scan_omp_parallel): If parallel_nesting_level > 1, the
4783 directive is nested within another parallel directive.
4784 Set OMP_PARALLEL_FN.
4785 (scan_omp_for): Do not try to handle combined parallel+for
4787 Remove FIXME comment.
4788 (scan_omp_nested): Remove.
4789 (scan_omp_1): Do not call scan_omp_nested when
4790 parallel_nesting_level is > 1.
4791 Do not change the DECL_CONTEXT of local variables found.
4792 (lookup_decl_in_outer_ctx): New.
4793 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4794 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4795 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4796 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4797 If CTX is nested, lookup VAR in the outer context when
4798 building copy assignment.
4799 (lower_send_clauses): Rename from expand_send_clauses.
4800 If CTX is nested, lookup VAR in the outer context when
4801 building copy assignments.
4802 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4803 If CTX is nested, lookup VAR in the outer context when
4804 building copy assignments.
4805 (expand_parallel_call): Rename from build_parallel_call.
4806 Handle combined parallel+workshare cases.
4807 Re-implement to emit code into the CFG.
4809 (expand_omp_parallel): Re-implement to emit code into the CFG.
4810 Call move_sese_region_to_fn to outline the sub-graph
4811 containing the parallel region.
4812 (expand_omp_for_1): Remove.
4813 (expand_omp_for_generic): Re-implement to emit code into the
4815 (expand_omp_for_static_nochunk): Likewise.
4816 (expand_omp_for_static_chunk): Likewise.
4817 (expand_omp_for): Likewise.
4818 (expand_omp_sections): Likewise.
4819 (remove_exit_barriers): New.
4820 (expand_omp_synch): New.
4822 (build_omp_regions_1): New.
4823 (build_omp_regions): New.
4824 (execute_expand_omp): New.
4825 (gate_expand_omp): New.
4826 (pass_expand_omp): Define.
4827 (lower_omp_sections): Rename from expand_omp_sections.
4828 Set OMP_SECTIONS_SECTIONS.
4829 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4830 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4831 (lower_omp_single): Rename from expand_omp_simple.
4832 (lower_omp_master): Rename from expand_omp_master.
4833 (lower_omp_ordered): Rename from expand_omp_ordered.
4834 (lower_omp_critical): Rename from expand_omp_critical.
4835 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4836 (lower_omp_for): Re-implement.
4837 (lower_omp_parallel): Re-implement.
4838 (lower_regimplify): Rename from expand_regimplify.
4839 (lower_omp_1): Rename from expand_omp_1.
4840 If there are syntax errors in the program, replace every
4841 OpenMP directive with NOP.
4842 Call lower_omp_* instead of expand_omp_*.
4843 (lower_omp): Rename from expand_omp.
4845 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4846 * tree-gimple.h (enum omp_parallel_type): Remove.
4847 (gimple_boolify): Declare extern.
4848 (find_omp_clause, determine_parallel_type): Remove.
4850 * gimple-low.c (lower_omp_directive): New.
4851 (lower_stmt): Call it.
4852 (record_vars_into): Move from ...
4853 (record_vars): ... here.
4854 Call record_vars_into with current_function_decl.
4856 * gimplify.c (struct gimplify_ctx): Remove fields
4857 combined_pre_p and combined_ctxp. Update users.
4858 (get_formal_tmp_var): Add documentation.
4859 (gimple_boolify): Make extern.
4860 (gimplify_expr_in_ctx): Remove. Update callers.
4861 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4862 will always be a BIND_EXPR.
4863 (gimplify_expr): Handle OMP_RETURN_EXPR.
4864 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4865 (OMP_PARALLEL): Add 3 operands.
4866 (OMP_SECTIONS): Add 1 operand.
4867 (OMP_RETURN_EXPR): Define.
4869 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4870 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4871 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4872 creating a circular free list.
4873 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4875 * tree-flow.h (move_sese_region_to_fn): Declare.
4876 (record_vars_into): Declare.
4877 * tree-cfg.c (make_omp_sections_edges): New.
4878 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4879 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4880 OMP_SECTIONS and OMP_SECTION.
4881 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4882 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4883 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4884 (gather_blocks_in_sese_region): New.
4885 (struct move_stmt_d): Declare.
4887 (move_block_to_fn): New.
4888 (move_sese_region_to_fn): New.
4890 * passes.c (init_optimization_passes): Schedule
4891 pass_expand_omp after pass_init_datastructures.
4893 * tree-ssa-operands.c (get_expr_operands): Handle
4894 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4895 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4897 2006-01-19 Jeff Law <law@redhat.com>
4899 * tree-vrp.c (extract_range_from_assert): Refine the result range
4900 if the variable referenced by the ASSERT_EXPR has a range and
4901 either the tentative result range or the previous range is a
4904 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4906 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4908 2006-01-19 Jan Hubicka <jh@suse.cz>
4910 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4912 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4914 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4915 (expand_compound_operation, expand_field_assignment): Fail if the
4916 bit lengths of an extract operation are out of range.
4917 (make_extraction): Compute wanted_inner_mode based on the position
4918 and length of the extraction. Make it extraction_mode for non-constant
4919 positions, and do not modify offset in that case. When generating a
4920 new MEM, use a mode that can hold the extraction while keeping correct
4921 alignment. Remove code that supported MEMs wrapped by USEs.
4922 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4924 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4926 * config/s390/s390.md ("Y", "y"): New mode attribute.
4927 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4928 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4929 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4930 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4931 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4932 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4933 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4934 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4935 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4936 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4937 "addsi3", "subsi3"): Insn patterns removed.
4938 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4939 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4940 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4941 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4942 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4943 "*sub<mode>3_cconly2"): New insn patterns.
4944 ("addsi3", "subsi3"): New expanders.
4946 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4948 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4949 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4950 existing STMT_VINFO_VECTYPE if available.
4951 (vect_mark_relevant): Add special handling for stmts that are
4952 marked as STMT_VINFO_IN_PATTERN_P.
4953 (vect_analyze_loop): Call vect_pattern_recog.
4954 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4955 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4957 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4958 (vect_recog_func_ptr): New function-pointer type.
4959 * tree-vect-patterns.c: New file.
4960 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4961 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4962 (vect_pattern_recog_1): New functions.
4963 (vect_pattern_recog_funcs): New array of function pointers.
4965 * tree-vectorizer.h (ternary_op): New enum value.
4966 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4967 declaration. Revised documentation. Removed redundant dump prints.
4968 Removed redundant argument. Added support for reduction patterns.
4969 (vectorizable_reduction): Added support for reduction patterns.
4970 (vect_transform_stmt): Added support for patterns.
4972 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4973 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4974 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4975 (expand_widen_pattern_expr): New function.
4976 (init_optabs): Initialize new optabs udot_prod_optab,
4978 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4979 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4980 (expand_widen_pattern_expr): New function declaration.
4981 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4983 * tree-inline.c (estimate_num_insns_1): Added cases for new
4984 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4985 * tree-pretty-print.c (dump_generic_node): Likewise.
4986 (op_prio): Likewise.
4987 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4988 * tree-ssa-operands.c (get_expr_operands): Added case for
4990 * tree-vect-patterns.c (widened_name_p): New function.
4991 (vect_recog_dot_prod_pattern): Added function implementation.
4992 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4993 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4994 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4995 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4997 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4998 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4999 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
5000 (init_optabs): Initialize new optabs widen_ssum_optab,
5002 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
5003 (widen_ssum_optab, widen_usum_optab): Define new optabs.
5004 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
5005 use instead of type of def.
5006 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
5007 function implementation.
5008 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
5009 widen_ssumv8hi): New.
5011 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
5014 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5017 * c-decl.c (add_flexible_array_elts_to_size): New function.
5018 (finish_decl): Use it.
5020 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5022 * diagnostic.h: Include options.h.
5023 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
5024 dependancies for diagnostic.h.
5025 * Makefile.in (DIAGNOSTIC_H): Add options.h.
5027 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
5029 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
5030 (ssa_ro_call_cache_valid): Ditto.
5031 * tree-ssa-alias.c (sort_tags_by_id): New function.
5032 (init_transitive_clobber_worklist): Ditto.
5033 (add_to_worklist): Ditto.
5034 (mark_aliases_call_clobbered): Ditto.
5035 (compute_tag_properties): Ditto.
5036 (set_initial_properties): Ditto.
5037 (compute_call_clobbered): Ditto.
5038 (compute_may_aliases): Call compute_call_clobbered and grouping.
5039 (compute_flow_sensitive_aliasing): Remove clobbering related code.
5040 (compute_flow_insensitive_aliasing): Grouping now happens in our
5042 (setup_pointers_and_addressables): Remove clobbering related code.
5043 (add_may_alias): Ditto.
5044 (replace_may_alias): Ditto.
5045 (get_nmt_for): Ditto.
5046 (create_global_var):
5047 (is_escape_site): Return an escape_type enumeration.
5048 * tree-flow-inline.h (is_call_clobbered): Global var does not
5049 imply call clobbered.
5050 (mark_call_clobbered): Take a reason for marking this. Remove
5051 marking of globalness, and cache invalidation.
5052 (clear_call_clobbered): Remove cache invalidation code.
5053 * tree-dfa.c (dump_variable): If details is on, dump the reason
5055 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5057 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5058 (struct var_ann_d): Ditto.
5059 (enum escape_type): New.
5060 (mark_call_clobbered): Adjust prototype.
5061 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5062 are never call clobbered.
5063 Record reasons for escaping.
5064 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5065 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5066 (ssa_ro_call_cache_valid): Ditto.
5067 (clobbered_v_may_defs): Ditto.
5068 (clobbered_vuses): Ditto.
5069 (ro_call_vuses): Ditto.
5070 (clobber_stats): New.
5071 (init_ssa_operands): Zero out clobber stats.
5072 (fini_ssa_operands): Print out clobber stats.
5073 (get_call_expr_operands): Pass callee fndecl to
5075 (add_call_clobber_ops): Remove use of cache.
5076 Add use of PURE_CONST information.
5077 (add_call_read_ops): Remove use of cache.
5078 Add use of static not_read information.
5080 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5082 Introduce TLS descriptors for i386 and x86_64.
5083 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5084 (TARGET_ANY_GNU_TLS): New macro.
5085 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5086 (struct machine_function): Add tls_descriptor_call_expanded_p.
5087 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5088 (ix86_current_function_calls_tls_descriptor): Likewise.
5089 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5090 (override_options): Introduce gnu2 tls dialect.
5091 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5093 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5095 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5096 (ix86_init_machine_status): Initialize new field.
5097 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5098 (ix86_tls_module_base): New.
5099 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5100 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5101 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5102 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5103 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5104 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5105 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5106 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5107 * config/i386/predicates.md (tls_modbase_operand): New.
5108 (tp_or_register_operand): New.
5110 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5112 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5113 (look_for_address_of): Ditto.
5114 (ipa_init): Walk the function decls.
5115 (static_execute): Don't set readonly on FUNCTION_DECL's.
5117 2006-01-18 Roger Sayle <roger@eyesopen.com>
5119 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5120 for shifts where the source and destination registers are different.
5122 2006-01-18 Paul Brook <paul@codesourcery.com>
5124 Merge from csl-arm-branch.
5125 2005-03-14 Julian Brown <julian@codesourcery.com>
5126 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5127 (aeabi_llsl): Likewise.
5128 (ashrdi3): Likewise.
5129 (aeabi_lasr): Likewise.
5130 (lshrdi3): Likewise.
5131 (aeabi_llsr): Likewise.
5132 2005-03-10 Julian Brown <julian@codesourcery.com>
5133 * config.gcc: Disable shared libgcc for SymbianOS.
5134 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5136 2006-01-18 DJ Delorie <dj@redhat.com>
5138 * c-pragma.c (handle_pragma_diagnostic): New.
5139 (init_pragma): Register it.
5140 * doc/extend.texi: Document it.
5142 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5143 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5144 (diagnostic_context): Add classify_diagnostic[].
5145 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5146 as errors if they're overridden to DK_WARNING.
5147 (diagnostic_initialize): Initialize classify_diagnostic[].
5148 (diagnostic_set_kind_override): New.
5149 (diagnostic_report_diagnostic): Check for kind changes.
5150 * opts.c (common_handle_option): Take lang_mask. Update callers.
5152 * common.opt (Werror=): New.
5153 * doc/invoke.texi: Document -Werror=*
5155 2006-01-18 Jeff Law <law@redhat.com>
5157 * tree-vrp.c (test_for_singularity): Correct test for new
5158 min limit. Use operand_equal_p rather than pointer equality
5159 for testing if new min/max values are equal.
5161 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5162 using range information until after propagation and folding.
5164 2006-01-18 Richard Henderson <rth@redhat.com>
5165 Aldy Hernandez <aldyh@redhat.com>
5166 Jakub Jelinek <jakub@redhat.com>
5167 Diego Novillo <dnovillo@redhat.com>
5169 * omp-low.c: New file.
5170 * c-omp.c: New file.
5172 2006-01-18 Richard Henderson <rth@redhat.com>
5173 Jakub Jelinek <jakub@redhat.com>
5174 Diego Novillo <dnovillo@redhat.com>
5176 * doc/invoke.texi: Document -fopenmp.
5177 * tree-dump.h (debug_function): Declare.
5178 * hooks.c (hook_bool_tree_bool_false): New function.
5179 (hook_tree_tree_null): Remove.
5180 (hook_tree_tree_tree_null): New.
5181 * hooks.h: Update to match.
5182 * tree-pretty-print.c (debug_tree_chain): New.
5183 (print_generic_expr): Handle TDF_CHAIN.
5184 (dump_generic_node): Handle BLOCK.
5185 Do not abort with incomplete SWITCH_EXPRs.
5186 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5187 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5188 print space after directive name.
5189 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5190 Handle OMP_MASTER and OMP_ORDERED.
5191 Handle printing of OMP_BODY just in one place, goto
5192 dump_omp_body in the rest of OMP_* nodes that have
5194 Don't handle clause nodes here. Update omp statements to
5195 use dump_omp_clauses.
5196 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5197 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5198 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5199 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5200 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5201 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5202 Adjust output for GOMP_PARALLEL.
5203 (dump_omp_clauses): New.
5204 (print_declaration): Dump DECL_VALUE_EXPR.
5205 (op_symbol_1): Split out of op_symbol.
5206 (dumping_stmts): Remove. Update all users.
5207 * cgraph.c (cgraph_analyze_queue): New.
5208 (cgraph_add_new_function): New.
5209 * cgraph.h (cgraph_analyze_queue): Declare.
5210 (cgraph_add_new_function): Declare.
5211 (cgraph_lower_function): Remove.
5212 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5213 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5214 and TYPE_P nodes in its default clause.
5215 (empty_body_p): New.
5216 (tree_range_check_failed): New.
5218 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5219 OMP_CLAUSE_REDUCTION_MERGE,
5220 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5221 OMP_CLAUSE_PRIVATE_DEBUG,
5222 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5223 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5224 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5225 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5226 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5227 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5228 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5229 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5230 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5231 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5232 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5233 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5234 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5235 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5236 (TREE_RANGE_CHECK): New.
5237 (empty_body_p): Declare.
5238 (enum omp_clause_default_kind): New.
5239 (build_string_literal): Declare.
5240 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5241 (build5_stat, build5): Declare.
5242 * tree-pass.h (TDF_CHAIN): Define.
5243 * tree-pass.h (PROP_gimple_lomp): Define.
5244 (pass_lower_omp): Declare.
5245 * diagnostic.h (debug_tree_chain): Declare.
5246 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5248 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5249 * builtins.c (build_string_literal): Make extern.
5250 * gcc.c (include_spec_function): New.
5251 (static_spec_functions): Add it.
5252 (main): Move load of libgomp.spec ...
5253 (LINK_COMMAND_SPEC): ... here.
5254 (link_gomp_spec): New.
5255 (static_specs): Include it.
5256 (LINK_COMMAND_SPEC): Add link_gomp.
5257 (GOMP_SELF_SPECS): New.
5258 (driver_self_specs): Include it.
5259 (switch_matches): Don't mark inline.
5260 (main): Load libgomp.spec.
5261 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5262 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5263 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5264 * tree-gimple.h (enum omp_parallel): Declare.
5265 (determine_parallel_type): Declare.
5266 (omp_firstprivatize_variable): Declare.
5267 (omp_reduction_init): Declare.
5268 (diagnose_omp_structured_block_errors): Declare.
5269 (struct walk_stmt_info): Add want_return_expr.
5270 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5271 (find_omp_clause): Declare.
5272 (insert_field_into_struct): Declare.
5273 (struct walk_stmt_info): Move from tree-nested.c
5274 (walk_stmts): Declare.
5275 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5277 * cgraphunit.c (cgraph_lower_function): Make static.
5278 (cgraph_finalize_pending_functions): New.
5279 (cgraph_finalize_function): Call it.
5280 (cgraph_finalize_compilation_unit): Likewise.
5281 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5282 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5283 (BT_FN_UINT_UINT): New.
5284 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5285 DEF_FUNCTION_TYPE_VAR_4): Document.
5286 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5287 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5288 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5289 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5290 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5291 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5292 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5293 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5294 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5295 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5296 into separate files.
5297 (DEF_GOMP_BUILTIN): New.
5298 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5299 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5300 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5301 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5302 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5303 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5304 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5305 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5306 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5307 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5308 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5309 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5310 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5311 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5312 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5313 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5314 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5315 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5316 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5317 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5318 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5319 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5320 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5321 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5322 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5323 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5324 * sync-builtins.def: New file, moved from builtins.def.
5325 * omp-builtins.def: New file, moved from builtins.def.
5326 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5327 * gimple-low.c (lower_function_body): Clear data.
5328 (lower_stmt): Do not handle COMPOUND_EXPR.
5329 Remove call to print_node_brief.
5330 * c-tree.h (c_finish_omp_clauses): New prototype.
5331 (C_DECL_THREADPRIVATE_P): Define.
5332 (lookup_name_no_remap, c_omp_remap_private): Remove
5333 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5334 (check_for_loop_decls): Update decl.
5335 (lookup_name_no_remap, c_omp_remap_private): Declare.
5336 (build_indirect_ref, build_modify_expr, pushdecl,
5337 pushdecl_top_level): Move to c-common.h.
5338 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5339 before the switch, but just in the 2 places that need it.
5340 * c-decl.c (diagnose_mismatched_decls): Do not check for
5341 mismatched thread-local attributes when OLDDECL is marked
5342 threadprivate and NEWDECL has no thread-local attributes.
5343 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5344 (c_gimple_diagnostics_recursively): Rename from
5345 c_warn_unused_result_recursively. Invoke
5346 diagnose_omp_structured_block_errors.
5347 (check_for_loop_decls): Return a singular decl found.
5348 * langhooks.c (lhd_omp_predetermined_sharing): Return
5349 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5350 (lhd_omp_firstprivatize_type_sizes): New.
5351 (lhd_omp_assignment): New.
5352 (lhd_omp_predetermined_sharing): New.
5353 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5354 (struct lang_hooks_for_types): Add
5355 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5356 omp_predetermined_sharing, omp_disregard_value_expr,
5357 omp_private_debug_clause, omp_clause_default_ctor,
5358 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5359 (c_finish_omp_clauses): New.
5360 (c_finish_bc_stmt): Diagnose break within omp for.
5361 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5362 (build_unary_op): Return error_mark after reporting
5364 (build_modify_expr): Likewise.
5365 * gimplify.c: Include optabs.h and pointer-set.h.
5366 (enum gimplify_omp_var_data): Declare.
5367 (struct gimplify_omp_ctx): Declare.
5368 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5370 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5371 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5372 (splay_tree_compare_decl_uid): New.
5373 (new_omp_context): New.
5374 (delete_omp_context): New.
5375 (gimple_add_tmp_var): Call omp_add_variable.
5376 (gimplify_bind_expr): Likewise.
5377 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5378 true, disregard DECL_VALUE_EXPR on the decl if any.
5379 (gimplify_expr_in_ctx): New.
5380 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5381 omp_add_variable, omp_notice_variable, omp_is_private
5382 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5383 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5384 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5385 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5386 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5387 gimplify_omp_atomic): New.
5388 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5389 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5390 OMP_CRITICAL and OMP_ATOMIC.
5391 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5392 * c-pragma.h (enum pragma_kind): Add
5393 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5394 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5395 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5396 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5397 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5398 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5399 PRAGMA_OMP_THREADPRIVATE.
5400 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5401 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5402 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5403 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5404 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5405 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5406 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5407 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5408 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5409 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5410 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5411 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5412 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5414 (struct nesting_info): Add field_map,
5415 suppress_expansion, debug_var_chain.
5416 (create_nesting_tree): Initialize them.
5417 (lookup_field_for_decl): Use field_map.
5418 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5419 (convert_local_omp_clauses): New.
5420 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5421 (walk_body): Split out of walk_function.
5422 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5423 (convert_nonlocal_reference): Handle omp statements.
5424 (convert_local_reference): Likewise.
5425 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5426 (unnest_nesting_tree): New.
5427 (lower_nested_functions): Call it.
5428 (insert_field_into_struct): Make extern.
5429 (struct walk_stmt_info): Move to tree-gimple.h.
5430 (walk_stmts): Make extern.
5431 * omp-builtins.def: New file.
5432 * tree-iterator.c (expr_only): Clarify comment.
5433 * c-common.h (pushdecl_top_level, pushdecl,
5434 build_modify_expr, build_indirect_ref,
5435 c_finish_omp_master, c_finish_omp_critical,
5436 c_finish_omp_ordered, c_finish_omp_barrier,
5437 c_finish_omp_atomic, c_finish_omp_flush,
5438 c_finish_omp_for, c_split_parallel_clauses,
5439 omp_clause_default_kind, c_omp_sharing_predetermined,
5440 c_omp_remap_decl): Declare.
5441 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5442 (OBJS-common): Add omp-low.o.
5443 (c-omp.o, omp-low.o): Add.
5444 (gimplify.o): Add dependency on $(OPTABS_H).
5445 (GTFILES): Add omp-low.c.
5446 (gt-stringpool.h): Add.
5447 * tree-cfg.c (set_bb_for_stmt): Do not update the
5448 block-to-labels map if we are currently expanding to RTL.
5449 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5451 Handle IDENTIFIER_NODE.
5452 (tree_verify_flow_info): Do not ICE when emitting error
5453 messages about invalid labels.
5454 (dump_function_to_file): Reset CFUN before emitting the body
5456 (debug_function): New.
5457 * passes.c (init_optimization_passes): Schedule
5459 * langhooks-def.h (lhd_omp_predetermined_sharing,
5460 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5462 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5463 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5464 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5465 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5466 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5467 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5468 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5469 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5470 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5471 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5472 (LANG_HOOK_DECLS): Use them.
5474 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5475 Richard Henderson <rth@redhat.com>
5476 Jakub Jelinek <jakub@redhat.com>
5477 Diego Novillo <dnovillo@redhat.com>
5479 * c-parser.c (pragma_omp_clause): Define.
5480 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5481 (c_parser_compound_statement): Likewise.
5482 (c_parser_statement): Likewise.
5483 (c_parser_pragma): Handle omp pragmas.
5484 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5485 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5486 (c_parser_omp_clause_name, check_no_duplicate_clause,
5487 c_parser_omp_variable_list,
5488 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5489 c_parser_omp_clause_copyprivate,
5490 c_parser_omp_clause_default,
5491 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5492 c_parser_omp_clause_lastprivate,
5493 c_parser_omp_clause_nowait,
5494 c_parser_omp_clause_num_threads,
5495 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5496 c_parser_omp_clause_reduction,
5497 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5498 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5499 c_parser_omp_atomic, c_parser_omp_barrier,
5500 c_parser_omp_critical, c_parser_omp_flush,
5501 c_parser_omp_for_loop, c_parser_omp_for,
5502 c_parser_omp_master, c_parser_omp_ordered,
5503 c_parser_omp_sections_scope, c_parser_omp_sections,
5504 c_parser_omp_parallel, c_parser_omp_single,
5505 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5506 * c-pragma.c (init_pragma): Do omp pragma registration here.
5507 * c.opt (fopenmp): New flag.
5509 2006-01-18 Eric Christopher <echristo@apple.com>
5511 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5512 * config/darwin.h (GOMP_SELF_SPECS): Define.
5514 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5516 * rtl.h: Remove the prototype for reg_alloc.
5518 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5521 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5522 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5523 sjlj and dwarf2 exception handling.
5524 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5525 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5526 * pa/pa.c (function_value): Treat complex and vector types as
5528 (function_arg): Likewise. Only pass scalar floats in the floating
5529 point argument registers.
5530 * pa/t-slibgcc-dwarf-ver: New file.
5531 * pa/t-slibgcc-sjlj-ver: New file.
5532 * pa/t-slibgcc-elf-ver: Delete file.
5534 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5536 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5537 unlikely_test_section_p test.
5539 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5541 * mode-switching.c (optimize_mode_switching): Make it static.
5542 * basic-block.h: Remove the prototype for
5543 optimize_mode_switching.
5545 * modulo-sched.c (sms_schedule): Make it static.
5546 * rtl.h: Remove the prototype for sms_schedule.
5548 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5549 * rtl.h: Remove the prototype for gcse_after_reload_main.
5551 * reg-stack.c (reg_to_stack): Make it static.
5552 * rtl.h: Remove the prototype for reg_to_stack.
5554 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5556 * rtl.h: Remove the prototypes for regrename_optimize and
5557 copyprop_hardreg_forward.
5559 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5561 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5562 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5563 Test against the appropriate null constant for the mode.
5564 If 'fixup_overlap' is true, swap the operands if they overlap.
5565 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5566 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5567 alpha_split_tmode_pair and adjust for above change.
5568 * config/alpha/alpha.md (movtf_internal): Adjust call to
5569 alpha_split_tfmode_pair and rely on it to swap the operands.
5570 (movti_internal): New insn and post-reload splitter.
5571 (movti): New expander.
5573 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5575 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5578 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5580 * rtlanal.c (global_reg_mentioned_p_1,
5581 global_reg_mentioned_p): Remove.
5582 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5584 * flow.c (initialize_uninitialized_subregs): Make it static.
5585 * rtl.h: Remove the prototype for
5586 initialize_uninitialized_subregs.
5588 * function.c (instantiate_virtual_regs): Make it static.
5589 * function.h: Remove the prototype for
5590 instantiate_virtual_regs.
5592 * regmove.c (regmove_optimize, combine_stack_adjustments):
5594 * rtl.h: Remove the prototypes for regmove_optimize and
5595 combine_stack_adjustments.
5597 2006-01-17 Roger Sayle <roger@eyesopen.com>
5599 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5600 (size_cost): Encode costs in bytes so that a reg-reg addition is
5601 equivalent to COSTS_N_INSNS(1).
5602 (override_options): Use the size_cost.branch_cost as the default
5603 ix86_branch_cost when optimizing for size.
5605 2006-01-18 Ben Elliston <bje@au.ibm.com>
5607 * Makefile.in (D32PBIT_FUNCS): New.
5608 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5609 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5610 D64PBIT_FUNCS and D128PBIT_FUNCS.
5611 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5612 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5614 (decnumber_dep): Define.
5615 * doc/libgcc.texi (Decimal float library routines): New node.
5616 * config/dfp-bit.h, config/dfp-bit.c: New files.
5618 2006-01-18 Ben Elliston <bje@au.ibm.com>
5620 * expr.c (emit_move_change_mode): Always adjust addresses, not
5621 just during reload. Copy replacements only during reload.
5622 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5623 emit_move_via_integer.
5625 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5627 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5628 instead of $(srcdir) and ${srcdir}.
5630 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5634 * arm.h (struct machine_function): Add pic_reg.
5635 * arm.c (arm_pic_register): Make unsigned.
5636 (arm_override_options): Only set arm_pic_register if
5637 TARGET_SINGLE_PIC_BASE.
5638 (use_return_insn): Only test for a pic register if it is fixed.
5639 (arm_compute_save_reg0_reg12_mask): Likewise.
5640 (thumb_compute_save_reg_mask): Likewise.
5641 (legitimate_pic_operand): Factor out some known invariants.
5642 (legitimize_pic_address): If we don't have a fixed pic register,
5643 then set up a pseudo in the function entry sequence. Handle the
5644 pic base being in a pseudo.
5645 (arm_load_pic_register): Handle the pic register being in a pseudo.
5646 (arm_expand_prologue): Only set up the pic register if it is fixed.
5647 (thumb_expand_prologue): Likewise.
5648 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5649 (pic_load_addr_based_insn): Likewise.
5650 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5653 2006-01-18 Ben Elliston <bje@au.ibm.com>
5655 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5656 decimal float modes for all floating point registers.
5658 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5659 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5661 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5664 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5665 even when the pointer is not NULL.
5667 2006-01-16 Ian Lance Taylor <ian@airs.com>
5669 * common.opt (ftoplevel-reorder): New option.
5670 * cgraph.c (cgraph_asm_nodes): New global variable.
5671 (cgraph_asm_last_node): New static variable.
5672 (cgraph_order): New global variable.
5673 (cgraph_create_node): Set new order field.
5674 (cgraph_varpool_node): Likewise.
5675 (decide_is_variable_needed): Return true if not
5676 flag_toplevel_reorder.
5677 (cgraph_add_asm_node): New function.
5678 * cgraph.h (struct cgraph_node): Add order field.
5679 (struct cgraph_varpool_node): Add order field.
5680 (struct cgraph_asm_node): Define.
5681 (cgraph_asm_nodes, cgraph_order): Declare.
5682 (cgraph_add_asm_node): Declare.
5683 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5685 (cgraph_varpool_assemble_pending_decls): Call it.
5686 (cgraph_output_pending_asms): New static function.
5687 (cgraph_finalize_compilation_unit): Call it.
5688 (struct cgraph_order_sort): Define.
5689 (cgraph_output_in_order): New static function.
5690 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5691 !flag_toplevel_reorder case.
5692 * c-parser.c: Include "cgraph.h".
5693 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5695 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5696 than -fno-unit-at-a-time.
5697 * doc/invoke.texi (Option Summary): Mention
5698 -fno-toplevel-reorder.
5699 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5700 -funit-at-a-time documentation.
5702 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5703 Kazu Hirata <kazu@codesourcery.com>
5705 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5707 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5709 * Makefile.in (FUNCTION_H): New. Use it instead of
5710 function.h throughout the file.
5711 * function.h: Include tree.h.
5713 2006-01-17 Ben Elliston <bje@au.ibm.com>
5715 * recog.c: Separate some functions with whitespace.
5717 2006-01-16 Richard Henderson <rth@redhat.com>
5719 Merge from gomp branch:
5720 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5721 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5722 and rename from struct inline_data. Rename callee* to dst*;
5723 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5724 transform_new_cfg, transform_return_to_modify, and
5725 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5727 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5728 (copy_decl_for_dup): Remove.
5729 * tree-inline.c (struct inline_data): Move to header.
5730 (insert_decl_map): Export.
5731 (remap_decl): Update for member name changes. Use copy_decl hook.
5732 Allow for replacement to be a non-decl. Remove dead code.
5733 (remap_type_1): Check for existing mapping.
5734 (remap_type): Export.
5735 (remap_decls): Update for member name changes.
5736 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5737 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5738 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5739 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5740 (tree_function_versioning, build_duplicate_type): Likewise.
5741 (copy_body_r): Likewise. Export.
5742 (copy_decl_for_dup): Split into ...
5743 (copy_decl_for_dup_finish, copy_decl_to_var,
5744 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5745 (replace_ref_tree, inlining_p): Remove.
5747 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5749 * ifcvt.c (if_convert): Make it static.
5750 * rtl.h: Remove the prototype for if_convert.
5752 * local-alloc.c (local_alloc): Make it static.
5753 * rtl.h: Remove the prototype for local_alloc.
5755 * loop.c (loop_optimize): Make it static.
5756 * cfgloop.h: Remove the prototype for loop_optimize.
5759 2006-01-16 DJ Delorie <dj@redhat.com>
5761 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5764 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5766 * pa.md: Disparage copies between general and floating-point registers
5767 in 32-bit move patterns.
5769 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5772 * Makefile.in (check-%): Depend on site.exp instead of
5773 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5776 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5778 * global.c (global_alloc): Make it static.
5779 * rtl.h: Remove the prototype for global_alloc.
5781 2006-01-16 Richard Guenther <rguenther@suse.de>
5783 * tree-ssa-alias.c (struct used_part): Add write_only field.
5784 (get_or_create_used_part_for): Initialize it to true.
5785 (create_overlap_variables_for): Don't create structure variables
5786 for structures that only are written to.
5787 (find_used_portions): Handle MODIFY_EXPR to track whether a
5788 structure is only written to.
5790 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5792 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5794 * basic-block.h: Remove the prototype for
5795 partition_hot_cold_basic_blocks.
5797 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5799 * cppspec.c (lang_specific_spec_functions): Remove.
5800 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5801 * gcc.h (lang_specific_spec_functions): Remove.
5802 * gccspec.c (lang_specific_spec_functions): Remove.
5804 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5806 * combine.c (record_value_for_reg): Invalidate registers
5808 (record_dead_and_set_regs_1): Likewise, by passing them to
5809 record_value_for_reg.
5810 (record_dead_and_set_regs): Invalidate stores made by a
5811 call. We do not combine across a call, but we still
5812 relied on equivalences.
5814 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5816 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5817 vrp_int_const_binop returning non-constant nodes.
5819 2006-01-16 Paul Brook <paul@codesourcery.com>
5821 * config/m68k/m68k.c (output_move_const_into_data_reg):
5822 Output correct mnemonic for mvz and mvs.
5824 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5826 * rtl-factoring.c: Add sequence abstraction algorithm.
5827 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5828 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5830 (block_has_preserve_label): New function.
5831 * common.opt: Register new pass.
5832 * Makefile.in: Ditto.
5834 * timevar.def: Ditto.
5835 * tree-pass.h: Ditto.
5836 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5837 * rtl.h (make_jump_insn_raw): Add forward decl.
5838 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5840 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5841 Roger Sayle <roger@eyesopen.com>
5843 * fold-const.c (fold_minmax): New static function.
5844 (fold_binary) <MIN_EXPR>: Call it.
5845 <MAX_EXPR>: Likewise.
5846 * stor-layout.c (place_field): Use DECL_SIZE consistently
5847 in the computation of the new record size.
5849 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5851 * cse.c (cse_condition_code_reg): Make it static.
5852 * rtl.h: Remove the prototype for cse_condition_code_reg.
5854 * combine.c (combine_instructions): Make it static.
5855 * rtl.h: Remove the prototype for combine_instructions.
5857 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5860 * tree.c (get_file_function_name_long): Concatenate the first global
5861 object name with a string derived from the input filename of the object
5864 2006-01-16 Ben Elliston <bje@au.ibm.com>
5866 * config/i386/winnt-stubs.c: Update FSF address.
5867 * config/xtensa/ieee754-df.S: Ditto.
5868 * config/xtensa/ieee754-sf.S: Ditto.
5870 2006-01-14 Ian Lance Taylor <ian@airs.com>
5872 * ifcvt.c (noce_init_if_info): New static function, broken out of
5873 noce_process_if_block.
5874 (noce_process_if_block): Call noce_init_if_info.
5875 (check_cond_move_block): New static function.
5876 (cond_move_process_if_block): New static function.
5877 (process_if_block): Call cond_move_process_if_block.
5879 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5881 * cselib.c (hash_table): Rename to cselib_hash_table.
5882 (cselib_clear_table, discard_useless_values,
5883 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5884 cselib_init, cselib_finish): Adjust uses of hash_table.
5886 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5888 PR tree-optimization/25485
5889 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5890 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5891 is known to be false and true, respectively.
5893 2006-01-14 Richard Guenther <rguenther@suse.de>
5895 PR tree-optimization/22548
5896 PR tree-optimization/22555
5897 PR tree-optimization/22501
5898 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5899 * params.def (salias-max-array-elements): New parameter.
5900 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5901 * doc/invoke.texi (salias-max-array-elements): Document.
5902 * tree-flow-inline.h (var_can_have_subvars): We also handle
5904 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5906 * tree-ssa-structalias.c (params.h): Include.
5907 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5908 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5909 (get_constraint_for): For ADDR_EXPR operating on something
5910 containing an ARRAY_REF, add all subvars to the solution.
5911 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5912 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5913 for creating MUST_DEFs.
5914 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5916 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5918 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5920 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5921 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5922 number_of_iterations_le): New functions.
5923 (number_of_iterations_special): Removed.
5924 (number_of_iterations_exit): Do not use number_of_iterations_special.
5925 * tree.c (unsigned_type_for): Always return integer type.
5927 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5928 Richard Guenther <rguenther@suse.de>
5930 PR rtl-optimization/24257
5931 * gcse.c (find_moveable_store): Only consider a store movable
5932 when the SET_SRC of the insn can be assigned to a register.
5934 2006-01-14 Ian Lance Taylor <ian@airs.com>
5936 * tree.c (tree_not_class_check_failed): New function.
5937 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5938 (tree_not_class_check_failed): Declare.
5940 2006-01-13 Ian Lance Taylor <ian@airs.com>
5942 * reload1.c (do_output_reload): Add assertion rejecting a
5945 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5947 * combine.c (struct reg_stat): Add new fields truncation_label and
5949 (record_value_for_reg): Reset truncated_to_mode.
5950 (record_truncated_value): New function.
5951 (check_promoted_subreg): Call it. Rename to check_conversions.
5952 (combine_instructions): Rename check_promoted_subreg to
5954 (reg_truncated_to_mode): New function.
5955 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5956 (gen_lowpart_or_truncate): New function.
5957 (force_to_mode): Use it instead of gen_lowpart.
5959 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5961 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5962 VAR is a tag, not its type tag.
5964 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5966 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5967 alternatives to match style of other entries.
5968 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5970 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5972 PR tree-optimization/25771
5973 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5976 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5979 * tree-inline.c (declare_return_variable): If the return variable
5980 was marked as a non gimple complex, set the return slot variable
5981 to be a non gimple comple variable.
5983 2006-01-13 Richard Guenther <rguenther@suse.de>
5985 * builtins.c (expand_builtin_sincos): New function.
5986 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5988 (expand_builtin): Expand sincos using expand_builtin_sincos.
5990 2006-01-12 DJ Delorie <dj@redhat.com>
5992 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5993 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5994 so that constant shifts can be split.
5995 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5996 (m32c_valid_pointer_mode): Make static.
5997 (shift_gen_func_for): New.
5998 (m32c_prepare_shift): Use it. Split large const shifts into
6000 * config/m32c/predicates.md (shiftcount_operand): Allow more
6002 (longshiftcount_operand): New.
6003 * doc/md.texi (Machine Constraints): Document In6.
6005 2006-01-13 Ben Elliston <bje@au.ibm.com>
6007 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
6008 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
6011 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
6013 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
6014 to try to avoid clobbering pieces of structures when we know
6015 something about the whole structure.
6016 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
6018 2006-01-13 Ben Elliston <bje@au.ibm.com>
6020 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
6021 return in memory, as this is no limitation is no longer present.
6023 2006-01-12 DJ Delorie <dj@redhat.com>
6025 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
6026 mova with fb, and for fb+0 -> An.
6028 * config/m32c/mov.md (peephole2): Fix enabling logic.
6030 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6031 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
6032 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
6033 FINI_ARRAY_SECTION_ASM_OP): Define.
6035 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
6037 (m32c_legitimize_reload_address): New logic to reload FB to An.
6038 (m32c_output_reg_push): Add newline.
6039 (m32c_output_reg_pop): Likewise.
6041 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
6043 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
6045 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6047 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6049 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6051 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6054 2006-01-11 Ben Elliston <bje@au.ibm.com>
6056 * rtlanal.c (find_reg_note): Assert insn is not null.
6058 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6060 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6063 2006-01-11 Jeff Law <law@redhat.com>
6065 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6067 (mark_threaded_blocks, register_jump_thread): New functions.
6068 (thread_through_all_blocks): Remove unwanted argument. No
6069 longer rely on e->aux to communicate thread target info.
6070 Call mark_threaded_blocks. Release the threaded_blocks
6071 bitmap and threaded_edges vector when complete.
6072 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6073 (threaded_blocks): Remove.
6074 (tree_ssa_dominator_optimize): Remove initialization and
6075 finalization of threaded_blocks. Simplify call to
6076 thread_through_all_blocks.
6077 (thread_across_edge): Call register_jump_thread rather than
6078 storing thread information into e->aux.
6079 (free_all_edge_infos): Simplify now that e->aux is no longer
6080 used to communicate with thread_through_all_blocks.
6081 * tree-flow.h (thread_through_all_blocks): Update prototype.
6082 (register_jump_thread): Prototype.
6084 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6086 * df-core.c (df_compact_blocks, df_bb_replace): Use
6087 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6089 2006-01-11 Richard Guenther <rguenther@suse.de>
6091 PR tree-optimization/25734
6092 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6093 stop propagation after successful propagation to the LHS.
6095 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6097 * basic-block.h (control_flow_graph): Change the type of
6098 x_basic_block_info to VEC(basic_block,gc) *.
6099 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6101 (SET_BASIC_BLOCK): New.
6102 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6103 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6104 * cfgbuild.c (find_basic_blocks): Likewise.
6105 * cfglayout.c (fixup_reorder_chain): Likewise.
6106 * cfgrtl.c (create_basic_block_structure,
6107 rtl_create_basic_block): Likewise.
6108 * ifcvt.c (find_if_case_1): Likewise.
6109 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6112 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6114 * Makefile.in: Removed rotted odf.c entry.
6116 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6119 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6120 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6121 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6122 output pattern modifier, not %e.
6123 * config/cris/cris.c (cris_op_str): Update comment about pattern
6125 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6126 before falling through into...
6127 <case 'E'>: Redefined from old 'e' case.
6129 2006-01-11 Jan Hubicka <jh@suse.cz>
6132 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6134 2006-01-11 Jan Hubicka <jh@suse.cz>
6136 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6137 * i386.c (x86_decompose_lea): Kill.
6138 (ix86_rtx_costs): Kill.
6140 2006-01-11 Jan Hubicka <jh@suse.cz>
6142 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6143 * cgraph.h (cgraph_node): Add inline_decl.
6144 (cgraph_insert_node_to_hashtable): Declare.
6145 (save_inline_function_body): Declare.
6146 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6148 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6149 (cgraph_function_versioning): Update call of tree_function_versioning.
6150 (save_inline_function_body): New function.
6151 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6152 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6153 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6154 (cgraph_default_inline_p): Likewise.
6155 (cgraph_decide_inlining_incrementally): Likewise.
6156 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6157 (copy_bb): Kill saving; do updating of clones.
6158 (copy_cfg_body): Kill saving.
6159 (initialize_inlined-parameters): Likewise.
6160 (expand_call_inline): Likewise.
6162 (tree_function_versioning): New parameter "update_clones".
6163 (inlining_p): Kill saving.
6164 * tree-inline.h (tree_function_versioning): Update prototype.
6165 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6168 2006-01-11 Ian Lance Taylor <ian@airs.com>
6170 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6171 Allow undoing set of machine mode.
6172 (do_SUBST): Use enums instead of is_int.
6173 (do_SUBST_MODE): New function.
6174 (SUBST_MODE): New macro.
6175 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6176 reg and trying to replace reg_regno_rtx with a new register.
6177 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6178 (simplify_set): Use SUBST_MODE.
6179 (distribute_notes): Remove code that tried to update reg notes
6180 for regno_reg_rtx changes.
6182 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6184 PR tree-optimization/23109
6185 PR tree-optimization/23948
6186 PR tree-optimization/24123
6188 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6189 * tree-cfg.c (single_noncomplex_succ): New.
6190 * tree-flow.h (single_noncomplex_succ): Declare it.
6191 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6192 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6193 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6194 insert_bb, register_division_in, insert_reciprocals,
6195 replace_reciprocal, free_bb): New.
6196 (execute_cse_reciprocals_1): Rewritten.
6197 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6198 Do not commit any edge insertion. Always compute dominators and
6199 create the allocation pool.
6200 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6201 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6202 * targhooks.c (default_min_divistions_for_recip_mul): New.
6203 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6204 * passes.c (init_optimization_passes): Run recip after tree loop
6206 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6208 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6209 Kenneth Zadeck <zadeck@naturalbridge.com>
6211 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6212 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6213 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6214 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6215 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6216 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6217 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6218 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6219 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6220 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6221 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6222 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6223 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6224 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6225 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6226 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6227 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6228 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6229 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6230 DF_SCAN_POST_ALLOC): New macros.
6231 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6232 df_free_bb_function, df_local_compute_function, df_init_function,
6233 df_dataflow_function, df_confluence_function_0,
6234 df_confluence_function_n, df_transfer_function,
6235 df_finalizer_function, df_free_function, df_dump_problem_function,
6236 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6237 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6238 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6239 df_urec_bb_info, ) New types.
6240 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6242 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6243 df_analyze_simple_change_some_blocks,
6244 df_analyze_simple_change_one_block, df_compact_blocks,
6245 df_bb_replace, df_bb_regno_last_use_find,
6246 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6247 df_insn_regno_def_p, df_find_def, df_find_use,
6248 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6249 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6250 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6251 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6252 debug_df_chain, df_get_dependent_problem, df_chain_create,
6253 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6254 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6255 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6256 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6257 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6258 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6259 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6260 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6261 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6262 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6263 df_reorganize_refs, df_set_state, df_hard_reg_init,
6264 df_read_modify_subreg_p) New public functions.
6265 * df-core.c: The core dataflow solver and glue routines for rtl
6267 (df_init, df_add_problem, df_set_blocks, df_finish,
6268 df_hybrid_search_forward, df_hybrid_search_backward,
6269 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6270 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6271 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6272 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6273 df_reg_defined, df_find_use, df_reg_used, df_dump,
6274 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6275 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6276 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6277 debug_df_useno, reset_df_after_reload): New functions.
6278 * df-scan.c: The scanning fuctions, once in df.c, completely
6279 rewritten so that they now fully model the functionality of
6280 register usage at the backend.
6281 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6282 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6283 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6284 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6285 df_get_artificial_defs, df_get_artificial_uses,
6286 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6287 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6288 df_refs_delete, df_reorganize_refs, df_set_state,
6289 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6290 df_def_record_1, df_defs_record, df_uses_record,
6291 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6292 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6293 df_record_exit_block_uses, df_hard_reg_init): New functions.
6295 * df-problems.c: Seven concrete dataflow problems that use the
6296 scanning in df-scan.c and are solved by the engine in df-core.c.
6297 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6298 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6299 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6300 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6301 df_ru_free_bb_info, df_ru_alloc,
6302 df_ru_bb_local_compute_process_def,
6303 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6304 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6305 df_ru_transfer_function, df_ru_free, df_ru_dump,
6306 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6307 df_rd_free_bb_info, df_rd_alloc,
6308 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6309 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6310 df_rd_transfer_function, df_rd_free, df_rd_dump,
6311 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6312 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6313 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6314 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6315 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6316 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6317 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6318 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6319 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6320 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6321 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6322 df_urec_mark_reg_use_for_earlyclobber,
6323 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6324 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6325 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6326 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6327 df_chain_create_bb_process_use, df_chain_create_bb,
6328 df_chain_finalize, df_chain_free, df_chains_dump,
6329 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6330 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6331 df_reg_lifetime): New functions.
6332 * df.c: Deleted file.
6333 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6334 consistent with new df api.
6335 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6336 rest_of_handle_sms): Ditto.
6337 * web.c (unionfind_union, union_defs, entry_register, web_main):
6339 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6340 invariant_expr_equal_p, find_defs, check_dependencies,
6341 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6342 free_inv_motion_data, move_loop_invariants): Ditto.
6343 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6344 Update dependencies.
6345 (odf.c): Added defective entry that was deleted later in day.
6346 * sched-deps.c (sched_analyze_1): Ditto.
6348 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6350 * tree-ssa-operands.c (get_expr_operands): Record addressable
6351 variables directly. Do not call add_stmt_operands for CONST_DECLs
6353 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6354 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6356 2006-01-11 Ben Elliston <bje@au.ibm.com>
6358 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6359 function returns true in the positive case.
6361 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6364 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6365 for SI, DI, SF and DF modes. Add alternatives to copy between
6366 general and floating point registers to the 32-bit patterns.
6367 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6368 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6369 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6370 generating 64-bit code.
6371 * config/pa/pa.c (output_move_double): Handle copies between general
6372 and floating registers.
6374 2006-01-10 Stuart Hastings <stuart@apple.com>
6376 * config/i386/i386.md (set_got): Update.
6377 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6378 (builtin_setjmp_receiver): Mach-O support.
6379 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6380 (GOT_SYMBOL_NAME): Define.
6381 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6382 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6383 * config/i386/i386.c (override_options): Revise for Darwin.
6384 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6385 support. (darwin_x86_file_end): New. (output_set_got): Add label
6386 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6387 * config/i386/i386-protos.h (output_set_got): Likewise.
6388 * config/darwin.c (machopic_legitimize_pic_address): Update
6391 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6393 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6394 when MODE isn't BLKmode.
6396 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6398 PR rtl-optimization/25367
6399 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6401 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6404 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6405 for a negative bound.
6407 2006-01-10 Richard Guenther <rguenther@suse.de>
6409 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6410 Never override with anything constraint.
6412 2006-01-10 Jan Beulich <jbeulich@novell.com>
6414 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6415 256 bits when optimize_size.
6417 2006-01-10 Jan Beulich <jbeulich@novell.com>
6419 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6421 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6422 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6425 2006-01-10 Ben Elliston <bje@au.ibm.com>
6427 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6429 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6430 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6431 (USE_FP_FOR_ARG): Reject decimal float modes.
6432 (function_arg_advance): Likewise.
6433 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6434 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6435 point types in AltiVec vectors.
6436 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6437 (rs6000_libcall_value): Likewise.
6439 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6441 * config/xtensa/ieee754-df.S: New file.
6442 * config/xtensa/ieee754-sf.S: New file.
6443 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6444 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6445 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6447 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6449 * config/sh/predicates.md (binary_float_operator,
6450 binary_logical_operator, commutative_float_operator,
6451 equality_comparison_operator, greater_comparison_operator,
6452 less_comparison_operator, logical_operator,
6453 noncommutative_float_operator, shift_operator,
6454 symbol_ref_operand, unary_float_operator): Remove redundant
6457 2006-01-09 Jeff Law <law@redhat.com>
6459 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6460 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6461 now unused arguments. Callers updated.
6462 (eliminate_redundant_computations): Remove now unused arguments,
6464 (local_fold): Remove, no longer used.
6465 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6467 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6468 (simplify_cond): New function.
6469 (forward_propagate_into_cond): Call simplify_cond.
6471 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6473 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6474 (*vec_extractv2di_1_sse): New.
6476 2006-01-09 Ben Elliston <bje@au.ibm.com>
6478 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6480 2006-01-08 Richard Guenther <rguenther@suse.de>
6482 * tree-ssa-structalias.c (get_constraint_for): Remove
6484 (get_constraint_for_component_ref): Likewise.
6485 (do_deref): Likewise.
6486 (get_constraint_for): Likewise.
6487 (do_structure_copy): Likewise.
6488 (handle_ptr_arith): Likewise.
6489 (find_func_aliases): Likewise. Remove unused need_anyoffset
6492 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6493 Kaz Kojima <kkojima@gcc.gnu.org>
6495 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6496 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6497 (EXTRA_CONSTRAINT_C16): Remove.
6498 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6499 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6500 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6501 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6502 constants of SHmedia. Handle nested constant expressions of
6504 (andcosts): Fix the costs for SHmedia constants.
6505 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6506 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6507 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6508 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6509 (movv4hi_i, movv2si_i): Likewise.
6510 (movsi_const): Adjust the second operand of ior so to match with
6512 (movdi_const, movdi_const_32bit): Likewise.
6513 (movdi_const_16bit+1): Don't sign-extend LOW.
6514 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6516 (*double_shori): Fix the split condition. Use GEN_INT instead
6517 of get_int_mode calls. Mask lower 16-bit of the argument of
6519 (sym2GOTPLT): Remove.
6520 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6522 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6523 instead of EXTRA_CONSTRAINT_C16.
6525 2006-01-07 Ian Lance Taylor <ian@airs.com>
6526 David Edelsohn <edelsohn@gnu.org>
6528 PR rtl-optimization/25662
6529 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6530 for constant operands instead of simplify_gen_binary.
6531 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6532 after trying simplify_binary_operation
6534 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6536 * tree.c (iterative_hash_expr): Hash decls based on UID.
6538 2006-01-06 Eric Christopher <echristo@apple.com>
6540 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6541 (TARGET_UNWIND_EMIT): Fix spelling.
6542 * target.h (gcc_target): Add except_table_label.
6543 * except.c (output_function_exception_table): Use.
6544 * varasm.c (default_emit_except_table_label): New.
6545 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6547 (asm_out): Add here.
6548 * output.h (default_emit_except_table_label): Prototype.
6549 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6550 * config/darwin.c (darwin_emit_except_table_label): Define.
6551 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6553 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6555 PR tree-optimization/18527
6556 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6557 number_of_iterations_special, number_of_iterations_exit):
6558 Move base and step of an iv to a single structure. Add
6559 no_overflow flag, and use it in # of iterations analysis.
6560 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6561 folded_casts argument.
6562 (simple_iv): Pass base and step in a structure. Set no_overflow
6564 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6565 Evaluate expensiveness of computing # of iterations instead of
6566 the final expression.
6567 * tree-scalar-evolution.h (affine_iv): New structure.
6568 (simple_iv): Declaration changed.
6569 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6570 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6571 find_givs_in_stmt): Changed due to simple_iv change.
6573 2006-01-06 Jeff Law <law@redhat.com>
6576 * tree-cfg.c (bsi_replace): Rename final argument from
6577 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6578 change (stmt -> orig_stmt).
6579 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6580 (bsi_remove): Add new argument. Remove EH information
6582 (verify_eh_throw_table_statements): New function.
6583 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6585 * tree-optimize.c (execute_free_cfg_annotations): Verify
6586 the EH throw statement table after removing annotations.
6587 * except.h (verify_eh_throw_table_statements): Prototype.
6588 * tree-flow.h (bsi_remove): Update prototype.
6589 * tree-vrp.c (remove_range_assertions): Add new argument to
6591 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6592 * tree-complex.c (expand_complex_div_wide): Likewise.
6593 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6594 * tree-tailcall.c (eliminate_tailcall): Likewise.
6595 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6596 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6597 * tree-nrv.c (tree_nrv): Likewise.
6598 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6599 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6600 (combine_blocks): Likewise.
6601 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6602 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6603 (cleanup_control_flow): Likewise.
6604 (remove_forwarder_block): Likewise.
6605 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6606 * tree-sra.c (sra_replace): Likewise.
6607 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6608 (forward_propagate_single_use_vars): Likewise.
6609 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6610 * tree-inline.c (expand_call_inline): Likewise.
6611 * tree-vect-transform.c (vect_transform_loop): Likewise.
6612 * tree-outof-ssa.c (rewrite_trees): Likewise.
6613 * tree-cfg.c (make_goto_expr_edges): Likewise.
6614 (cleanup_dead_labels): Likewise.
6615 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6616 (bsi_move_before, bsi_move_after): Likewise.
6617 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6618 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6620 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6623 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6625 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6626 on non gimple variables. Also add checks at the top for decls and
6628 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6630 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6631 and IMAGPART_EXPR for creating MUST_DEFs.
6632 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6633 and NAME_MEMORY_TAG separately from the DECLs.
6635 2006-01-06 Richard Guenther <rguenther@suse.de>
6637 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6638 annotation, if necessary.
6639 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6640 redundant calls to update_stmt.
6641 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6644 2006-01-05 Richard Henderson <rth@redhat.com>
6646 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6648 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6650 * c-typeck.c: Update copyright date.
6652 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6654 * c-typeck.c (build_c_cast): Always warn when casting
6655 from a pointer to an integer of different size, even if
6656 the node was constant.
6658 2006-01-05 Richard Guenther <rguenther@suse.de>
6660 PR tree-optimization/22555
6661 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6662 if one structure field is an array.
6663 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6664 operands even if we found a subvar, but ignore VOPs in this
6666 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6668 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6670 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6673 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6675 2006-01-05 Richard Guenther <rguenther@suse.de>
6676 Diego Novillo <dnovillo@redhat.com>
6678 * tree-pass.h (TODO_remove_unused_locals): Define.
6679 * gimple-low.c (expand_var_p, remove_useless_vars,
6680 pass_remove_useless_vars): Remove. Update all users.
6681 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6682 (remove_unused_locals): New function.
6683 * tree-flow.h (remove_unused_locals): Declare.
6684 * passes.c (execute_todo): Call remove_unused_locals if
6685 TODO_remove_unused_locals is set.
6686 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6687 * tree-ssa-dce.c (pass_dce): Likewise.
6688 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6690 2006-01-05 Richard Guenther <rguenther@suse.de>
6692 * tree-flow.h (struct fieldoff): Decompose field to
6693 type, size and decl.
6694 * tree-ssa-alias.c (create_sft): Take type as parameter.
6695 (create_overlap_variables_for): Store type, size and decl
6696 in the fieldoff structure.
6697 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6699 (push_fields_onto_fieldstack): Likewise.
6700 (create_variable_info_for): Likewise. Use offset for the
6701 SFT name if the decl is not available.
6703 2006-01-04 Paul Brook <paul@codesourcery.com>
6705 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6707 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6709 * lambda-code.c (can_put_in_inner_loop): Relax
6711 (can_put_after_inner_loop): New function.
6712 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6713 (perfect_nestify): Change to make copies and modify uses.
6715 2006-01-04 Richard Henderson <rth@redhat.com>
6717 Merge from gomp branch:
6718 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6719 via integer constant.
6720 (pragma_lex): Remove.
6721 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6722 rather than parsing it.
6723 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6724 handle_pragma_extern_prefix): Add %< %> quotes.
6725 (registered_pragmas): New.
6726 (c_register_pragma_1): New.
6727 (c_register_pragma): Use it.
6728 (c_register_pragma_with_expansion): Likewise.
6729 (c_invoke_pragma_handler): New.
6730 (init_pragma): Use cpp_register_deferred_pragma directly for
6732 * c-pragma.h (enum pragma_kind): New.
6733 (pragma_handler): New.
6734 (c_invoke_pragma_handler): Declare.
6735 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6737 * c-common.h (c_common_pch_pragma): Update decl.
6738 * Makefile.in (c-parser.o): Update dependencies.
6739 (GTFILES): Add c-pragma.h.
6740 * c-parser.c (struct c_token): Add pragma_kind.
6741 (struct c_parser): Add in_pragma.
6742 (c_lex_one_token): Always initialize keyword and pragma_kind.
6743 Extract data for CPP_PRAGMA.
6744 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6745 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6746 Don't allow CPP_PRAGMA_EOL if in_pragma.
6747 (c_parser_consume_pragma): New.
6748 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6749 (c_parser_skip_to_end_of_parameter): Likewise.
6750 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6751 (c_parser_skip_to_pragma_eol): New.
6752 (c_parser_external_declaration): Handle CPP_PRAGMA.
6753 (c_parser_compound_statement_nostart): Likewise.
6754 (c_parser_statement_after_labels): Likewise.
6755 (c_parser_pragma): New.
6756 (pragma_lex): Likewise.
6757 (c_parser_pragma_pch_preprocess): New.
6758 (c_parser_new): Merge into ...
6759 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6761 2006-01-04 Jeff Law <law@redhat.com>
6764 * tree-cfg.c (bsi_replace): Remove the original statement
6765 from the EH throw statement table.
6767 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6769 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6770 make the prototype extern "C" and add throw ().
6773 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6774 and pos non-negative and pos + len <= 32.
6775 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6776 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6777 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6780 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6781 as well as sizes not multiple of component size.
6784 * function.c (instantiate_expr): New function.
6785 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6786 walk its DECL_VALUE_EXPR with instantiate_expr.
6788 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6789 DW_OP_deref{,_size} if address isn't going to be added.
6791 2006-01-04 Ben Elliston <bje@au.ibm.com>
6793 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6794 * config/fp-bit.c: Likewise.
6796 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6798 * dominance.c: Add comment about why we use DFS numbering
6801 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6802 Richard Henderson <rth@redhat.com>
6804 Merge from gomp-branch:
6805 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6806 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6808 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6810 PR rtl-optimization/25578
6811 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6812 pass a parameter to simplify_shift_const if changing ASHIFTRT
6815 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6817 * builtins.c (get_builtin_sync_mem): New function.
6818 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6819 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6820 Call get_builtin_sync_mem to generate mem rtx.
6822 2006-01-03 Richard Guenther <rguenther@suse.de>
6825 * stmt.c (add_case_node): Make sure to clear overflow flags
6828 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6830 Merge from gomp-branch.
6831 * config/sparc/sync.md: New file.
6832 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6833 UNSPECV_LDSTUB): New constants.
6834 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6835 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6836 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6839 2006-01-03 Roger Sayle <roger@eyesopen.com>
6841 * combine.c (reg_subword_p): New predicate to test whether the
6842 destination of a set refers to a subword/piece of a register.
6843 (try_combine): Generalize the code to merge the setting of a
6844 pseudo to a constant followed by a set of a subword of that
6845 register to a constant.
6847 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6849 * basic-block.h (control_flow_graph): Change the type of
6850 x_label_to_block_map to VEC(basic_block,gc) *.
6851 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6852 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6854 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6855 VEC(basic_block,heap) *.
6856 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6857 ssa_prop_fini): Adjust the uses of cfg_blocks.
6859 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6861 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6863 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6864 hashing trees instead of a pointer hash.
6865 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6866 compare for MEM_EXPR.
6868 PR rtl-optimization/25130
6869 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6870 when comparing MEMs for GCSE
6872 2006-01-03 Ben Elliston <bje@au.ibm.com>
6874 * targhooks.h (default_decimal_float_supported_p): Declare.
6875 * targhooks.c (default_decimal_float_supported_p): Define.
6876 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6877 `default_decimal_float_supported_p'.
6878 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6880 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6882 * combine.c (apply_distributive_law <SUBREG>): Check
6883 TRULY_NOOP_TRUNCATION.
6885 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6887 * dwarf2out.c (have_switched_text_section): Delete.
6888 (have_multiple_function_sections): New.
6889 (have_location_lists): Make 'bool'.
6890 (add_AT_loc_list): Use 'true' not '1'.
6891 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6892 (output_loc_list): Use have_multiple_function_sections.
6893 (output_ranges): Likewise.
6894 (dwarf2out_begin_function): Set have_multiple_function_sections if
6896 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6897 Check function_section rather than DECL_SECTION_NAME.
6898 (dwarf2out_finish): Use have_multiple_function_sections.
6899 Don't clear have_location_lists.
6901 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6902 Jan Hubicka <jh@suse.cz>
6904 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6905 case of conditional jump jumping to the next instruction.
6906 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6907 cases of conditional jump jumping to the next instruction.
6909 2006-01-02 Jan Hubicka <jh@suse.cz>
6911 * i386.c (*_cost): Add COSTS_N_INSNS.
6912 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6914 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6917 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6919 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6921 * config/arm/arm.c (all_fpus): Fix comment typo.
6922 * config/darwin.c: Likewise.
6923 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6924 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6925 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6927 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6929 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6930 (rs6000_split_compare_and_swapqhi): New.
6931 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6932 (sync_compare_and_swapqhi_internal): New.
6933 * config/rs6000/rs6000-protos.h: Declare.
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