1 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4 when building with libgloss.
5 (sh*elf): Implement --without-fp option.
6 (sh64-superh-linux*): Don't multilib.
8 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
15 Set it when one of the replacement functions returned true.
16 Return TODO_cleanup_cfg if cfgchanged is true.
17 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
19 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
21 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
22 instead of gen_lowpart.
24 2006-03-09 Richard Sandiford <richard@codesourcery.com>
26 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
28 (mips_output_order_conditional_branch): Declare.
29 * config/mips/mips.h (MIPS_BRANCH): New macro.
30 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
31 for the comparison. Use gen_condjump.
32 (mips_output_conditional_branch): Rework interface to take the
33 asm templates for a direct branch and the inverse of a direct branch.
34 (mips_output_order_conditional_branch): New function.
35 (mips_builtin_branch_and_move): New function.
36 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
37 branch condition. Use gen_single_cc as the condition for
38 __builtin_mips_upper_* or __builtin_mips_lower_*.
39 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
40 Use VOIDmode for the branch condition.
41 * config/mips/predicates.md (order_operator): New predicate.
42 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
43 (branch_fp): Rename to...
44 (*branch_fp): ...this. Remove mode from comparison operator.
45 Use new mips_output_conditional_branch interface.
46 (branch_fp_inverted): Rename to...
47 (*branch_fp_inverted): ...this and update as for *branch_fp.
48 (*branch_zero<mode>): Rename to...
49 (*branch_order<mode>): ...this. Remove mode from comparison operator.
50 Use mips_output_order_conditional_branch. Only accept ordered
52 (*branch_zero<mode>_inverted): Rename to...
53 (*branch_order<mode>_inverted): ...this and update as for
55 (*branch_equality<mode>): Accept zero as the second operand to
56 the equality operator. Use the new mips_output_conditional_branch
58 (*branch_equality<mode>_inverted): Likewise.
59 (condjump): New expander.
60 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
62 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
63 (bc1any2t, bc1any2f): Likewise.
64 (single_cc): New expander.
65 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
67 2006-03-09 Richard Sandiford <richard@codesourcery.com>
69 * doc/md.texi: Update documentation of MIPS constraints.
70 * config/mips/constraints.md: New file.
71 * config/mips/mips.md: Include it.
72 * config/mips/mips.c (mips_char_to_class): Delete.
73 (override_options): Don't initialize mips_char_to_class.
74 * config/mips/mips.h (mips_char_to_class): Delete.
75 (REG_CLASS_FROM_LETTER): Delete.
76 (CONST_OK_FOR_LETTER_P): Delete.
77 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
78 (EXTRA_CONSTRAINT_Y): Delete.
79 (EXTRA_CONSTRAINT_STR): Delete.
80 (CONSTRAINT_LEN): Delete.
81 (EXTRA_MEMORY_CONSTRAINT): Delete.
83 2006-03-09 Diego Novillo <dnovillo@redhat.com>
85 * tree-cfg.c (move_block_to_fn): Remove the statements from the
86 original fn's eh regions.
88 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
90 * fold-const.c (build_range_check): Make sure to use a valid type to
91 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
94 (range_predecessor): New static function.
95 (range_successor): Likewise.
96 (merge_ranges): Use them to compute predecessors and successors of
99 2006-03-09 Roger Sayle <roger@eyesopen.com>
102 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
103 X op C3, consider whether C3 overflows towards +Inf or -Inf.
105 2006-03-08 DJ Delorie <dj@redhat.com>
107 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
108 (addpsi3): Expand to include memory operands. Remove
109 reload-specific splits.
110 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
111 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
112 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
113 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
114 (shift1_qi, shift1_hi, insv): New.
115 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
116 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
117 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
119 * config/m32c/m32c-protos.h: Update as needed.
120 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
121 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
122 Fail for unrecognized R* constraints.
123 (m32c_cannot_change_mode_class): Be more picky about pseudos.
124 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
125 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
127 (m32c_init_libfuncs): New.
128 (m32c_legitimate_address_p): Add debug wrapper.
129 (m32c_rtx_costs): New.
130 (m32c_address_cost): New.
131 (conversions): Add 'B' prefix.
132 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
133 operands, or word regnames for QI operands. 'B' prints bit
135 (m32c_expand_setmemhi): New.
136 (m32c_expand_movmemhi): New.
137 (m32c_expand_movstr): New.
138 (m32c_expand_cmpstr): New.
139 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
140 (m32c_expand_neg_mulpsi3): Handle non-ints.
141 (m32c_cmp_flg_0): New.
142 (m32c_expand_movcc): New.
143 (m32c_expand_insv): New.
144 (m32c_scc_pattern): New.
145 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
147 (STORE_FLAG_VALUE): New.
148 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
151 * config/m32c/mov.md: Make constraints more liberal.
152 (zero_extendqihi2): Optimize r0/r1 case.
153 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
154 * config/m32c/predicates.md (m32c_any_operand): New.
155 (m32c_nonimmediate_operand): New.
156 (m32c_hl_operand): New.
157 (m32c_r3_operand): New.
160 (memsym_operand): New.
161 (memimmed_operand): New.
163 (m32c_eqne_operator): New.
164 (m32c_1bit8_operand): New.
165 (m32c_1bit16_operand): New.
166 (m32c_1mask8_operand): New.
167 (m32c_1mask16_operand): New.
168 * config/m32c/blkmov.md: New file.
169 * config/m32c/t-m32c (MD_FILES): Add blkmov.
171 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
173 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
174 unsigned to fix signed/unsigned comparison issue in
175 DWARF2_FRAME_REG_OUT.
176 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
177 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
179 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
180 of ptr into the ENABLE_CHECKING section.
182 2006-03-08 Jeff Law <law@redhat.com>
184 * tree-vrp.c (infer_value_range): Only count pointer uses
185 and dereferences if -fdelete-null-pointer-checks is enabled.
187 * tree-vrp.c (find_assert_locations): Infer value ranges for
188 single use pointers, but do not create ASSERT_EXPRs for them.
189 When a non-null range is inferred for a pointer, backwards
190 propagate that range to other equivalent pointers through the
193 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
196 * Makefile.in (dvi, html, install-info): Invoke the corresponding
197 language hook targets.
198 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
199 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
200 if language hook targets were missing.
202 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
204 * tree-ssa-opfinalize.h: Removed.
205 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
207 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
208 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
209 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
210 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
211 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
212 finalize_ssa_v_must_def_ops): New.
214 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
216 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
219 2006-03-07 Geoffrey Keating <geoffk@apple.com>
221 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
223 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
224 addresses with offsets; reorganize.
226 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
227 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
228 (expand_builtin_init_dwarf_reg_sizes): Likewise.
230 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
233 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
235 2006-03-08 Ben Elliston <bje@au.ibm.com>
237 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
239 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
242 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
245 2006-03-07 Richard Guenther <rguenther@suse.de>
247 PR tree-optimization/26587
248 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
250 2006-03-07 Richard Sandiford <richard@codesourcery.com>
252 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
254 2006-03-07 Richard Sandiford <richard@codesourcery.com>
256 * hooks.c (hook_bool_mode_rtx_true): New function.
257 * hooks.h (hook_bool_mode_rtx_true): Declare.
258 * toplev.c (compile_file): Call output_shared_constant_pool.
259 * varasm.c (shared_constant_pool): New variable.
260 (assemble_start_function, assemble_end_function): Remove arguments
261 from call to output_constant_pool.
262 (create_constant_pool): New function, split out from...
263 (init_varasm_status): ...here.
264 (force_const_mem): Choose between the shared and per-function constant
265 pools. Set current_function_uses_const_pool when reusing old entries
266 as well as when creating new ones.
267 (mark_constant): Ignore data argument.
268 (mark_constants): Remove pool argument.
269 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
270 to decide whether the function uses a constant pool.
271 (output_constant_pool_contents): New function, split out from...
272 (output_constant_pool): ...here.
273 (output_shared_constant_pool): New function.
274 (init_varasm_once): Initialize shared_constant_pool.
275 * output.h (output_constant_pool): Delete.
276 (output_shared_constant_pool): Declare.
277 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
278 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
280 2006-03-06 Nick Clifton <nickc@redhat.com>
282 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
283 flag_strength_reduce.
285 2006-03-06 Ben Elliston <bje@au.ibm.com>
287 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
288 x86_64-*-linux* configurations.
290 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
291 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
293 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
295 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
297 * basic-block.h: Remove the extern for
298 rediscover_loops_after_threading.
300 * cfgloop.c (cancel_loop): Make it static.
301 * cfgloop.h: Remove the prototype for cancel_loop.
303 * flow.c (recompute_reg_usage): Make it static.
304 * rtl.h: Remove the prototype for recompute_reg_usage.
306 * function.c (use_return_register): Make it static.
307 * function.h: Remove the prototype.
309 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
311 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
313 * recog.h: Remove the prototype for
314 validate_change_maybe_volatile.
316 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
318 * rtlanal.c (replace_reg): Remove.
319 * rtl.h: Remove the prototype for replace_reg.
321 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
323 * regclass.c (reg_scan_update): Remove.
324 (reg_scan_mark_refs): Remove the last argument.
325 * rtl.h: Remove the prototype for reg_scan_update.
327 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
329 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
330 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
331 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
332 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
333 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
334 loop-invariant.c, omp-low.c, opts.c, passes.c,
335 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
336 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
337 tree-ssa-structalias.c, tree-ssa-threadedge.c,
338 tree-ssa-threadupdate.c, tree-vect-patterns.c,
339 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
340 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
342 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
344 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
345 * dwarf2out.h: Remove the prototype for
346 dwarf2out_add_library_unit_info.
348 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
350 * tree.c (add_var_to_bind_expr): Remove.
351 * tree.h: Remove the prototype for add_var_to_bind_expr.
353 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
355 * regclass.c (n_non_fixed_regs): Remove.
356 (init_reg_sets_1, globalize_reg): Remove all uses of
358 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
360 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
362 * rtlanal.c (insns_safe_to_move_p): Remove.
363 * rtl.h: Remove the prototype for insns_safe_to_move_p.
365 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
367 * expmed.c (expand_mult_add): Remove.
368 * expr.h: Remove the prototype for expand_mult_add.
370 2006-03-04 Jakub Jelinek <jakub@redhat.com>
372 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
373 and REG_SAVED_VAL_EXP constants.
374 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
375 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
376 Handle regs stored by value.
377 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
378 (execute_cfa_program): Handle DW_CFA_val_offset,
379 DW_CFA_val_offset_sf and DW_CFA_val_expression.
380 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
381 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
382 (uw_install_context_1): Handle target regs stored by value.
384 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
386 * tree-sra.c (tree_sra): Return todoflags;
387 (generate_one_element): Set TODO_update_smt_usage if needed.
388 (pass_sra): Remove TODO_update_smt_usage.
389 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
391 (tree_ssa_forward_propagate_single_use_vars): Return
392 TODO_update_smt_usage if we need to update SMT usage.
393 (pass_forwprop): Remove TODO_update_smt_usage.
395 2006-03-03 Diego Novillo <dnovillo@redhat.com>
397 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
398 (correct_use_link): Remove reference to get_stmt_operands.
399 (update_stmt_operands): Likewise.
400 (get_modify_expr_operands): New function factored out of
401 parse_ssa_operands and get_expr_operands.
402 Try to create V_MUST_DEFs for LHS by default.
403 (get_expr_operands) <case MODIFY_EXPR>: Call
404 get_modify_expr_operands.
405 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
406 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
407 (parse_ssa_operands) <case MODIFY_EXPR>: Call
408 get_modify_expr_operands.
410 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
412 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
413 * tree-flow.h: Remove the prototype for
414 referenced_var_lookup_if_exists.
416 2006-03-03 Steve Ellcey <sje@cup.hp.com>
418 PR rtl-optimization/26345
420 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
422 2006-03-03 Roger Sayle <roger@eyesopen.com>
424 PR tree-optimization/26524
425 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
426 fold_convert to create a constant of the appropriate type.
428 2006-03-03 Richard Sandiford <richard@codesourcery.com>
430 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
431 SYMBOL_REF_IN_BLOCK_P.
432 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
433 of SYMBOL_FLAG_IN_BLOCK.
434 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
435 instead of SYMBOL_REF_IN_BLOCK_P.
436 * explow.c (use_anchored_address): Likewise.
437 * rtl.c (rtx_size): Likewise.
438 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
439 instead of SYMBOL_FLAG_IN_BLOCK.
440 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
441 SYMBOL_REF_IN_BLOCK_P.
442 (assemble_variable): Likewise.
443 (output_constant_def_contents): Likewise.
444 (output_constant_pool): Likewise.
445 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
446 instead of SYMBOL_FLAG_IN_BLOCK.
447 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
448 SYMBOL_REF_IN_BLOCK_P.
449 (SYMBOL_REF_BLOCK): Likewise.
450 (SYMBOL_REF_OFFSET): Likewise.
451 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
452 SYMBOL_REF_IN_BLOCK_P.
453 (SYMBOL_FLAG_IN_BLOCK): Replace with...
454 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
455 (SYMBOL_REF_IN_BLOCK_P): Replace with...
456 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
458 2006-03-03 Jakub Jelinek <jakub@redhat.com>
460 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
462 2006-03-02 Roger Sayle <roger@eyesopen.com>
464 * simplify-rtx.c (simplify_unary_operation): When simplifying
465 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
466 that we perform the right shift in the appropriate mode, and
467 then extend or truncate the result to requested mode.
469 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
471 * gengtype.c (main): Handle double_int type.
472 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
473 * double-int.c: New file.
474 * double-int.h: New file.
475 * system.h: Include doubleint.h.
476 * Makefile.in (SYSTEM_H): Include double-int.h.
479 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
482 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
485 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
487 * tree-vrp.c (remove_range_assertions): Do not update statements
490 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
492 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
494 * gcse.c (rest_of_handle_gcse): Ditto.
495 * except.c (gate_handle_eh): Ditto.
496 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
497 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
499 2006-03-02 Eric Christopher <echristo@apple.com>
501 * config/i386/i386.c (machopic_output_stub): Add indirection to
504 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
508 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
510 Sun Niagara specific optimizations.
511 * config.gcc: Recognize niagara as target.
512 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
513 (TARGET_CPU_niagara): Define.
514 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
515 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
516 (CPP_CPU_SPEC): Handle -mcpu=niagara.
517 (ASM_CPU_SPEC): Likewise.
518 (PROCESSOR_NIAGARA): New enum entry.
519 (REGISTER_MOVE_COST): Handle Niagara.
520 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
521 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
522 (sparc_override_options): Recognize "niagara", set appropriate
523 default MASK_* values for it, and align functions to 32-bytes
524 by default just like ULTRASPARC/ULTRASPARC3.
525 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
526 (sparc64_initialize_trampoline): Likewise.
527 (sparc_use_sched_lookahead): Use zero for niagara.
528 (sparc_issue_rate): Use one for niagara.
529 * config/sparc/niagara.md: New file.
530 * config/sparc/sparc.md: Include it.
531 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
532 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
533 when default cpu is niagara.
534 (CPP_CPU_SPEC): Handle -mcpu=niagara.
535 (ASM_CPU_SPEC): Likewise.
536 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
537 when default cpu is niagara.
538 (ASM_CPU_SPEC): Handle -mcpu=niagara.
539 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
540 just like v9/ultrasparc/ultrasparc3.
541 * doc/invoke.texi: Add documentation for "niagara" and improve
542 existing documentation for ultrasparc variants.
544 2006-03-02 Diego Novillo <dnovillo@redhat.com>
546 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
548 2006-03-02 Richard Sandiford <richard@codesourcery.com>
550 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
551 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
552 and say that only one is needed.
553 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
554 * target.h (have_switchable_bss_sections): New hook.
555 * explow.c (use_anchored_address): Check that the symbol is in a block.
556 * varasm.c (tls_comm_section, comm_section, lcomm_section)
557 (bss_noswitch_section): New variables.
558 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
559 (get_noswitch_section): New function.
560 (get_block_for_section): Allow SECT to be null.
561 (unlikely_text_section_p): Use SECTION_STYLE.
562 (bss_initializer_p): New function.
563 (get_variable_section): Move earlier in file. Take a new argument,
564 prefer_noswitch_p. Move bss checks from assemble_variable to here.
565 Return one of the new *_sections in such cases.
566 (get_block_for_decl): New function, extracting some logic from
567 use_blocks_for_decl_p.
568 (change_symbol_section): Remove in favor of...
569 (change_symbol_block): ...this new function.
570 (use_blocks_for_decl_p): Remove checks now performed by
572 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
573 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
574 (emit_local, emit_bss, emit_common): ...these new functions.
575 Return true if the alignment was honored.
576 (emit_tls_common): New function.
577 (asm_emit_uninitialised): Delete.
578 (assemble_variable_noswitch): New function, split out from...
579 (assemble_variable): ...here. Don't make decisions about common
580 variables here. Globalize all public decls that go into non-common
581 sections. Check whether SYMBOL_REF_BLOCK is null.
582 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
583 (output_constant_pool): Likewise.
584 (init_varasm_once): Initialize the new section variables.
585 (have_global_bss_p): New function.
586 (categorize_decl_for_section): Use bss_initializer_p.
587 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
588 (place_block_symbol): Assert that the symbol must be in a block.
589 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
590 (TARGET_INITIALIZER): Include it.
591 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
592 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
593 (SECTION_MACH_DEP): Bump by two.
594 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
595 (unnamed_section): Mention SECTION_UNNAMED in comment.
596 (named_section): Likewise SECTION_NAMED.
597 (noswitch_section_callback): New type.
598 (noswitch_section): New structure.
599 (section): Add a noswitch_section alternative.
600 (SECTION_STYLE): New macro.
601 (tls_comm_section, comm_section, lcomm_section): Declare.
602 (bss_noswitch_section, have_global_bss_p): Declare.
603 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
604 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
606 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
607 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
610 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
612 * gcc/tree-vrp.c (execute_vrp): Return value.
613 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
614 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
615 * gcc/tree-complex.c (tree_lower_complex): Ditto.
616 (tree_lower_complex_O0): Ditto.
617 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
618 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
619 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
620 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
621 (execute_tail_calls): Ditto.
622 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
623 * gcc/tree.h (init_function_for_compilation): Ditto.
624 * gcc/ipa-cp.c (ipcp_driver): Ditto.
625 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
626 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
627 * gcc/final.c (compute_alignments): Ditto.
628 (rest_of_handle_final): Ditto.
629 (rest_of_handle_shorten_branches): Ditto.
630 (rest_of_clean_state): Ditto.
631 * gcc/omp-low.c (execute_expand_omp): Ditto.
632 (execute_lower_omp): Ditto.
633 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
634 * gcc/ipa-reference.c (static_execute): Ditto.
635 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
636 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
637 (rest_of_handle_machine_reorg): Ditto.
638 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
639 * gcc/flow.c (recompute_reg_usage): Ditto.
640 (rest_of_handle_remove_death_notes): Ditto.
641 (rest_of_handle_life): Ditto.
642 (rest_of_handle_flow2): Ditto.
643 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
644 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
645 (do_ssa_store_ccp): Ditto.
646 (execute_fold_all_builtins): Ditto.
647 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
648 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
649 * gcc/ipa-pure-const.c (static_execute): Ditto.
650 * gcc/cse.c (rest_of_handle_cse): Ditto.
651 (rest_of_handle_cse2): Ditto.
652 * gcc/web.c (rest_of_handle_web): Ditto.
653 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
654 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
655 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
656 * gcc/tree-nrv.c (tree_nrv): Ditto.
657 (execute_return_slot_opt): Ditto.
658 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
659 (create_structure_vars): Ditto.
660 * gcc/loop-init.c (rtl_loop_init): Ditto.
661 (rtl_loop_done): Ditto.
662 (rtl_move_loop_invariants): Ditto.
663 (rtl_unswitch): Ditto.
664 (rtl_unroll_and_peel_loops): Ditto.
666 * gcc/gimple-low.c (lower_function_body): Ditto.
667 (mark_used_blocks): Ditto.
668 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
669 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
670 (cgraph_early_inlining): Ditto.
671 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
672 * gcc/jump.c (cleanup_barriers): Ditto.
673 (purge_line_number_notes): Ditto.
674 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
675 (rest_of_handle_if_after_reload): Ditto.
676 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
677 (tree_ssa_loop_im): Ditto.
678 (tree_ssa_loop_unswitch): Ditto.
679 (tree_vectorize): Ditto.
680 (tree_linear_transform): Ditto.
681 (tree_ssa_loop_ivcanon): Ditto.
682 (tree_ssa_empty_loop): Ditto.
683 (tree_ssa_loop_bounds): Ditto.
684 (tree_complete_unroll): Ditto.
685 (tree_ssa_loop_prefetch): Ditto.
686 (tree_ssa_loop_ivopts): Ditto.
687 (tree_ssa_loop_done): Ditto.
688 * gcc/predict.c (tree_estimate_probability): Ditto.
689 * gcc/recog.c (split_all_insns_noflow): Ditto.
690 (rest_of_handle_peephole2): Ditto.
691 (rest_of_handle_split_all_insns): Ditto.
692 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
693 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
694 (rest_of_handle_stack_adjustments): Ditto.
695 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
696 * gcc/function.c (instantiate_virtual_regs): Ditto.
697 (init_function_for_compilation): Ditto.
698 (rest_of_handle_check_leaf_regs): Ditto.
699 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
700 (rest_of_handle_gcse): Ditto.
701 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
702 * gcc/alias.c (rest_of_handle_cfg): Ditto.
703 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
704 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
705 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
706 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
707 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
708 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
709 * gcc/except.c (set_nothrow_function_flags): Ditto.
710 (convert_to_eh_region_ranges): Ditto.
711 (rest_of_handle_eh): Ditto.
712 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
713 (remove_unnecessary_notes): Ditto.
714 * gcc/except.h (set_nothrow_function_flags): Ditto.
715 (convert_to_eh_region_ranges): Ditto.
716 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
717 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
718 * gcc/tree-ssa-pre.c (do_pre): Ditto.
719 (execute_fre): Ditto.
720 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
721 (rest_of_handle_jump2): Ditto.
722 * gcc/tree-sra.c (tree_sra): Ditto.
723 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
724 (execute_mudflap_function_decls): Ditto.
725 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
726 (do_store_copy_prop): Ditto.
727 * gcc/ipa-prop.h (ipcp_driver): Ditto.
728 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
729 * gcc/tree-ssa-forwprop.c
730 (tree_ssa_forward_propagate_single_use_vars): Ditto.
731 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
732 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
733 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
734 (execute_late_warn_uninitialized): Ditto.
735 * gcc/rtl.h (cleanup_barriers): Ditto.
736 (split_all_insns_noflow): Ditto.
737 (purge_line_number_notes): Ditto.
738 (unshare_all_rtl): Ditto.
739 (remove_unnecessary_notes): Ditto.
740 (recompute_reg_usage): Ditto.
741 (variable_tracking_main): Ditto.
742 * gcc/integrate.c (emit_initial_value_sets): Ditto.
743 * gcc/integrate.h (emit_initial_value_sets): Ditto.
744 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
745 (execute_free_cfg_annotations): Ditto.
746 (execute_fixup_cfg): Ditto.
747 (execute_cleanup_cfg_pre_ipa): Ditto.
748 (execute_cleanup_cfg_post_optimizing): Ditto.
749 (execute_init_datastructures): Ditto.
750 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
751 * gcc/combine.c (rest_of_handle_combine): Ditto.
752 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
753 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
754 (rest_of_handle_reorder_blocks): Ditto.
755 (rest_of_handle_partition_blocks): Ditto.
756 * gcc/var-tracking.c (variable_tracking_main): Ditto.
757 * gcc/tree-profile.c (tree_profiling): Ditto.
758 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
759 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
760 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
761 (rest_of_handle_sched2): Ditto.
762 * gcc/basic-block.h (free_bb_insn): Ditto.
763 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
764 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
765 (remove_useless_stmts): Ditto.
766 (split_critical_edges): Ditto.
767 (execute_warn_function_return): Ditto.
768 (execute_warn_function_noreturn): Ditto.
769 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
770 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
771 * gcc/passes.c (execute_one_pass): Run additional
772 todos returned by execute function.
773 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
776 2006-03-02 Richard Guenther <rguenther@suse.de>
778 * tree-ssa-alias.c (find_used_portions): Consider taking
779 the address as making the variable not write-only.
781 2006-03-02 Nick Clifton <nickc@redhat.com>
783 * config.gcc (default_use_cxa_atexit): Extend the description of
784 this configure variable. Set its default value to "yes" for
785 Linux, NetBSD and ELF targets on the assumption that they will
786 use C libraries with the __cxa_atexit function.
788 2006-03-02 Ben Elliston <bje@au.ibm.com>
790 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
791 parameter as unused to suppress a build warning.
793 2006-03-02 Ben Elliston <bje@au.ibm.com>
795 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
798 2006-03-01 Roger Sayle <roger@eyesopen.com>
801 * gthr-posix.h (__gthrw2): Define to take three parameters, the
802 declared name, the weak reference name, and the typeof name.
803 (__gthrw): Avoid expanding the declared name suffix.
804 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
806 2006-03-01 Jakub Jelinek <jakub@redhat.com>
808 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
810 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
811 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
812 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
813 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
814 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
815 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
816 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
817 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
818 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
819 DW_DS_leading_separate, DW_DS_trailing_separate): New.
820 (DW_END_default, DW_END_big, DW_END_little): New.
821 (DW_END_lo_user, DW_END_hi_user): Define.
822 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
823 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
824 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
827 2006-03-01 Diego Novillo <dnovillo@redhat.com>
829 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
831 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
833 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
835 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
837 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
840 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
843 2006-03-01 Roger Sayle <roger@eyesopen.com>
845 * builtins.c (fold_builtin_copysign): Delete unreachable code.
847 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
850 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
851 MACHO_DYNAMIC_NO_PIC_P.
852 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
854 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
857 * config/darwin-protos.h (darwin_asm_output_anchor):
859 * config/darwin-sections.def (cstring_section):
860 Add SECTION_MERGE to the flags.
861 (literal4_section): Likewise.
862 (literal8_section): Likewise.
863 (objc_selector_refs_section): Likewise.
864 (objc_cls_refs_section): Likewise.
865 * config/darwin.c (darwin_asm_output_anchor): New
867 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
869 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
871 Fix PR tree-optimization/26443
872 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
873 to todo and PROP_tmt_usage to properties_destroyed.
874 * tree-ssa-ccp.c (pass_ccp): Ditto.
875 (pass_store_ccp): Ditto.
876 * tree-ssa-dom.c (pass_dominator): Ditto.
878 2006-03-01 Diego Novillo <dnovillo@redhat.com>
880 * tree-ssa-operands.c: Cleanup whitespace.
881 (get_asm_expr_operands): Move before first invocation.
882 (get_indirect_ref_operands): Likewise.
883 (get_tmr_operands): Likewise.
884 (get_call_expr_operands): Likewise.
885 (append_def): Likewise.
886 (append_use): Likewise.
887 (append_v_may_def): Likewise.
888 (append_v_must_def): Likewise.
889 (add_call_clobber_ops): Likewise.
890 (add_call_read_ops): Likewise.
891 (add_stmt_operand): Likewise.
892 (add_virtual_operand): Likewise.
893 (build_ssa_operands): Likewise.
895 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
900 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
901 with a call expr to ...
902 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
904 2006-03-01 Diego Novillo <dnovillo@redhat.com>
906 * tree-vrp.c (extract_range_from_assert): Remove special
907 handling for types with super-types.
909 2006-03-01 Ben Elliston <bje@au.ibm.com>
911 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
912 and powerpc64-*-linux* configurations.
913 * config/t-dfprules: New file.
915 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
916 Compile dfp-bit.c from the source directory using -DWIDTH and
917 $DFP_CFLAGS to control the compilation of that file, rather than
918 generating width-specific versions in the build directory.
919 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
920 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
922 2006-02-28 Zack Weinberg <zackw@panix.com>
924 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
927 2006-02-28 Eric Christopher <echristo@apple.com>
929 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
930 Set up IN_LIBGCC definition of TARGET_64BIT.
931 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
933 2006-02-28 Roger Sayle <roger@eyesopen.com>
936 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
937 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
938 cases via the construction of "expr != 0".
940 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
942 * alias.c (alias_invariant, alias_invariant_size): Remove.
943 (record_base_value): Remove.
944 (memrefs_conflict_p): Don't look at alias_invariant.
945 (end_alias_analysis): Don't free it.
946 * alias.h (record_base_value): Remove prototype.
948 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
949 Adam Nemet <anemet@caviumnetworks.com>
951 * rtl.h (truncated_to_mode): Declare it.
952 (struct rtl_hooks): Add reg_truncated_to_mode hook.
953 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
954 (RTL_HOOKS_INITIALIZER): Include it.
955 * rtlhooks.c (reg_truncated_to_mode_general): New function.
956 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
957 reg_truncated_to_mode.
958 * rtlanal.c (truncated_to_mode): Define it.
959 * simplify-rtx.c (simplify_unary_operation_1): Use it.
961 2006-02-28 Jeff Law <law@redhat.com>
963 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
964 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
965 the range allowed by TYPE_PRECISION.
967 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
969 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
971 PR tree-optimization/26419
972 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
975 2006-02-27 Zack Weinberg <zackw@panix.com>
977 * doc/md.texi: Fix typo in previous change.
979 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
983 2006-02-27 Zack Weinberg <zackw@panix.com>
985 * rtl.def (define_constraint, define_register_constraint)
986 (define_memory_constraint, define_address_constraint): New MD forms.
987 * gensupport.c (process_rtx): Put define_constraint etc on the
989 * genpreds.c (process_define_predicate): Adjust comment. Validate
990 the name, and call validate_exp to validate the expression.
991 (mark_mode_tests, write_extract_subexp): Can assume correct input.
992 (write_predicate_expr): Likewise. NAME argument no longer necessary;
994 (validate_exp, needs_variable, struct constraint_data)
995 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
996 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
997 (const_dbl_constraints, constraint_max_namelen)
998 (have_register_constraints, have_memory_constraints)
999 (have_address_constraints, have_address_constraints)
1000 (have_extra_constraints, have_const_int_constraints)
1001 (have_const_dbl_constraints, mangle, add_constraint)
1002 (process_define_constraint, process_define_register_constraint)
1003 (write_enum_constraint_num, write_lookup_constraint)
1004 (write_insn_constraint_len, write_regclass_for_constraint)
1005 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1006 (write_insn_extra_memory_constraint)
1007 (write_insn_extra_address_constraint)
1008 (write_satisfies_constraint_fns): New.
1009 (write_tm_preds_h): If we have new-style constraint definitions,
1010 prototype the functions generated from them, and define the
1011 old constraint interface (still used by generic code) in terms of
1013 (write_insn_preds_c): If we have new-style constraint definitions,
1014 generate all relevant functions from those definitions.
1015 (main): Handle define_constraint etc.
1016 * genoutput.c (struct constraint_data, indep_constraints)
1017 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1018 (mdep_constraint_len): New data structures and functions, defined
1019 #ifdef USE_MD_CONSTRAINTS.
1020 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1021 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1022 use new logic to validate operand constraints against constraint
1024 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1026 * defaults.h: If none of the old-style constraint macros are
1027 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1028 old-style macros; and poison REG_CLASS_FROM_LETTER,
1029 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1031 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1032 * doc/md.texi: Document new constraint-definition mechanism and the
1033 C interface it provides. Remove references to old mechanism
1034 elsewhere in the document.
1035 (Machine Constraints): Use pathnames relative to gcc directory,
1036 i.e. config/ARCH/FILE. Change i386 section to refer to
1037 config/i386/predicates.md; update that section to match docstrings.
1038 * doc/tm.texi: Move all documentation of the old constraint-
1039 definition macros to their own section, clearly mark as obsolete.
1041 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1042 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1044 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1045 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1046 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1048 (splits and peepholes): Use satisfies_constraint_*.
1049 * config/i386/i386.c (memory_address_length)
1050 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1052 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1054 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1055 scalar operation to be put back into the loop.
1057 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1060 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1061 (extract_cie_info): Handle S flag in augmentation string.
1062 (execute_cfa_program): If context->signal_frame, execute also
1063 fs->pc == context->ra instructions.
1064 (uw_frame_state_for): If context->signal_frame, don't subtract one
1065 from context->ra to find FDE.
1066 (uw_update_context_1): Set context->signal_frame to
1068 (_Unwind_GetIPInfo): New function.
1069 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1070 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1072 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1073 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1074 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1075 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1076 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1077 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1078 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1079 x86_64_fallback_frame_state): Set fs->signal_frame.
1080 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1081 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1082 (frob_update_context): Likewise. Workaround missing S flag in
1083 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1084 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1085 Remove the psw_addr + 1 hack.
1087 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1089 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1090 with aggregates here.
1091 (find_func_aliases): Remove code for &<aggregate> from here.
1093 2006-02-26 Roger Sayle <roger@eyesopen.com>
1095 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1096 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1097 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1100 2006-02-26 Roger Sayle <roger@eyesopen.com>
1103 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1105 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1107 * opts.c (decode_options): Do not handle flag_strength_reduce.
1108 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1109 and OPT_fstrength_reduce.
1110 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1111 flag_prefetch_loop_arrays for being nonzero.
1112 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1114 (fprefetch-loop-arrays-rtl): Removed.
1115 (flag_prefetch_loop_arrays): Do not specify the value.
1117 * doc/passes.texi: Update documentation of loop optimizer
1119 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1120 -frerun-loop-opt): Remove.
1122 2006-02-26 Richard Guenther <rguenther@suse.de>
1124 PR tree-optimization/26421
1125 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1126 in function calls that are ADDR_EXPRs as using the whole structure.
1128 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1130 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1131 * tree-pass.h (pass_loop_optimize): Remove.
1132 * passes.c (pass_loop_optimize): Never run it.
1133 * toplev.c (backend_init): Don't call init_loop.
1134 * opts.c (flag_loop_optimize_set): Remove.
1135 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1136 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1137 the old RTL loop optimizer when profiling enabled.
1138 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1139 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1140 pre-headers for the sake of the old RTL loop optimizer.
1141 * Makefile.in: Remove all references to loop.o.
1143 * doc/invoke.texi: Remove all references to -floop-optimize
1144 and -frerun-loop-opt.
1146 2006-02-26 Zack Weinberg <zackw@panix.com>
1148 * doc/md.texi (Machine Constraints): Refer to all files with paths
1149 relative to gcc directory (i.e. config/CPU/file). Add missing
1150 @table @code ... @end table to M32C subsection.
1152 2006-02-26 Roger Sayle <roger@eyesopen.com>
1154 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1156 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1158 2006-02-26 Roger Sayle <roger@eyesopen.com>
1159 James A. Morrison <phython@gcc.gnu.org>
1162 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1163 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1164 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1165 signedness of the shift operation.
1167 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1169 PR tree-optimization/26359
1170 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1172 2006-02-25 Roger Sayle <roger@eyesopen.com>
1174 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1175 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1176 as X == 0, and some symmetry related transformations.
1177 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1179 2006-02-25 Roger Sayle <roger@eyesopen.com>
1182 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1183 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1184 symmetry related transformations. Fold (X^C1) == C2 as
1187 2006-02-25 Juergen Weigert <jw@suse.de>
1188 Richard Guenther <rguenther@suse.de>
1190 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1192 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1194 * combine.c (gen_lowpart_or_truncate): Call
1195 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1197 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1199 * doc/invoke.texi: Move -fopenmp description to "Options for
1201 Remove reference to -lgomp.
1203 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1205 * doc/install.texi: Require GNU tar version 1.14.
1207 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1209 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1210 * doc/invoke.texi (C++ Dialect Options): Document
1211 -fno-use-cxa-get-exception-ptr.
1212 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1213 * configure: Regenerate.
1214 * c.opt (fuse-cxa-get-exception-ptr): New.
1215 * c-opts.c (c_common_handle_option): Handle
1216 OPT_fuse_cxa_get_exception_ptr.
1217 * c-common.c (flag_use_cxa_atexit): Update documentation.
1218 (flag_use_cxa_get_exception_ptr): New.
1219 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1220 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1222 (C_COMMON_OVERRIDE_OPTIONS): New.
1224 2006-02-24 Roger Sayle <roger@eyesopen.com>
1227 * combine.c (try_combine): Explicitly check whether GET_CODE is
1228 a SET or a CLOBBER, instead on checking that it isn't a USE.
1230 2006-02-24 Roger Sayle <roger@eyesopen.com>
1232 * fold-const.c (fold_comparison): New subroutine of fold_binary
1233 containing transformations common to both the equality and
1234 ordering relational operators, factored out of fold_binary.
1235 (fold_binary): Separate out the equality operators (EQ_EXPR
1236 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1237 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1238 transformations common to both.
1239 (fold_div_compare): Fix latent bugs in the previously unreachable
1240 LT_EXPR and GE_EXPR cases.
1242 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1244 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1245 decl libname for clog to __clog on AIX.
1247 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1249 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1252 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1253 output traceback table for thunks. Localise rs6000_stack_info call.
1255 2006-02-23 Roger Sayle <roger@eyesopen.com>
1256 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1258 * gthr-posix.h (__gthrw): Fix typo in comment.
1260 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1262 * doc/cpp.texi (Character sets): Document that we do support
1263 input files to be in any character set.
1265 2006-02-23 Jeff Law <law@redhat.com>
1267 * tree.h (PHI_ARG_NONZERO): Remove.
1268 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1269 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1270 node to the new node.
1272 PR tree-optimization/26425
1273 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1274 min/max, then assume its varying.
1276 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1278 PR rtl-optimization/26316
1279 * rtlanal.c (enum may_trap_p_flags): New.
1280 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1281 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1282 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1283 (may_trap_after_code_motion_p): New function.
1284 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1285 (find_invariant_insn): Use may_trap_after_code_motion_p.
1286 * rtl.h (may_trap_after_code_motion_p): Declare.
1288 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1290 * emit-rtl.c (immed_double_const): Cleanup.
1292 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1294 Fix PR tree-optimization/26376
1295 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1298 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1301 * gimplify.c (omp_add_variable): Guard variable size decl test with
1302 DECL_SIZE (decl) check.
1304 2006-02-23 Richard Guenther <rguenther@suse.de>
1307 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1308 like aggregate types.
1310 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1312 * configure.ac: Add --with{,out}-long-double-128 configure option.
1313 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1314 * configure: Rebuilt.
1315 * config.in: Rebuilt.
1316 * doc/install.texi (Options specification): Document
1317 --with-long-double-128.
1319 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1320 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1321 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1322 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1324 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1326 * config/s390/s390.c (override_options): Handle
1327 TARGET_DEFAULT_LONG_DOUBLE_128.
1329 * config/alpha/alpha.c (override_options): Handle
1330 TARGET_DEFAULT_LONG_DOUBLE_128.
1332 * config/sparc/sparc.c (sparc_override_options): Handle
1333 TARGET_DEFAULT_LONG_DOUBLE_128.
1335 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1337 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1338 (real-install-headers-tar, real-install-headers-cpio)
1339 (real-install-headers-cp): New targets.
1341 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1343 * tree.h (variable_section): Delete.
1344 * varasm.c (variable_section): Delete.
1346 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1348 * install.texi: Add notes on install.texi2html.
1349 (Building in parallel): Do not use footnotes.
1351 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1354 * doc/install.texi (Configuration): Document --disable-libgomp.
1356 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1358 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1360 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1362 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1363 (vec_extractv2df_0_sse): New.
1365 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1367 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1368 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1369 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1370 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1371 to the result of the expression.
1372 (def_cfa_1): Adjust.
1373 (frame_pointer_cfa_offset): Rename to...
1374 (frame_pointer_fb_offset): ... this. Adjust all uses.
1375 (convert_cfa_to_loc_list): Rename to...
1376 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1377 Pass it on to build_cfa_loc.
1378 (compute_frame_pointer_to_cfa_displacement): Rename to...
1379 (compute_frame_pointer_to_fb_displacement): ... this. New
1380 offset parameter. Use it in computation.
1381 (gen_subprogram_die): Compute cfa_fb_offset with the new
1382 macro, and use it to compute the fb loc list and the
1385 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1387 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1388 replaced with register_operand.
1389 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1390 non-DREG is expensive.
1391 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1392 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1395 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1397 * doc/install.texi2html: Use set -e.
1399 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1401 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1402 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1403 * doc/invoke.texi (-fshared-data): Delete.
1404 * common.opt (fshared-data): Delete.
1405 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1406 (assemble_static_space): Remove #if 0 code.
1407 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1408 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1409 * config/cris/cris.h: Remove FIXME.
1411 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1413 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1416 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1419 * combine.c (simplify_shift_const_1): Disable nested shifts
1420 optimization for vector shifts.
1422 2006-02-20 Roger Sayle <roger@eyesopen.com>
1424 PR tree-optimization/26361
1425 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1426 of unsigned integer types.
1428 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1430 * tree-chrec.c (eq_evolutions_p): New.
1431 * tree-chrec.h (eq_evolutions_p): Declared.
1432 * tree-data-ref.c: Fix formatting.
1433 (datadep_stats, dependence_stats): New.
1435 (print_direction_vector): New.
1436 (dump_data_dependence_relation): Use print_direction_vector.
1437 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1438 (compute_subscript_distance): Static.
1439 (initialize_data_dependence_relation): Static. Get the number
1440 of loops surrounding the references from the callers, and initialize
1441 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1442 base_object_differ_p analyzers.
1443 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1444 compute_overlap_steps_for_affine_1_2,
1445 analyze_subscript_affine_affine): Count the classified dependences.
1446 Print a message when a test failed.
1447 (can_use_analyze_subscript_affine_affine): New.
1448 (analyze_siv_subscript): Compute the data dependences on symbolic
1449 scevs that verify can_use_analyze_subscript_affine_affine.
1450 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1451 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1452 Handle symbolic scevs.
1453 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1455 (subscript_dependence_tester): Moved...
1456 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1457 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1458 DDR_SIZE_VECT instead of getting it in parameter.
1459 (subscript_dependence_tester): ... here. Take as a parameter
1460 loop_nest_depth. Call build_classic_dist_vector and
1461 build_classic_dir_vector.
1462 (compute_affine_dependence): Update subscript_dependence_tester
1463 parameters. Update datadep_stats counters. Call
1464 compute_subscript_distance.
1465 (compute_self_dependence): Save the dist and dir vectors. Call
1466 compute_subscript_distance.
1467 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1468 (compute_all_dependences): Reorder parameters as they were before
1469 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1470 compute_subscript_distance. Update the use of
1471 compute_affine_dependence and initialize_data_dependence_relation.
1472 (find_data_references_in_loop): Handle COMPONENT_REF.
1473 (compute_data_dependences_for_loop): Initialize dependence_stats.
1474 Don't call build_classic_dist_vector and build_classic_dir_vector.
1475 Update the parameters of initialize_data_dependence_relation and
1476 compute_all_dependences. Print the statistics from datadep_stats.
1477 (analyze_all_data_dependences): Static. Not used until the pass for
1478 checking the data dependences is contributed.
1479 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1480 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1481 (initialize_data_dependence_relation, compute_affine_dependence,
1482 analyze_all_data_dependences, compute_subscript_distance): Removed.
1483 (print_direction_vector): New.
1484 * lambda.h (gcd): ... here.
1485 (lambda_vector_gcd): Moved here from gcd_vector.
1486 * lambda-code.c (gcd, gcd_vector): Removed.
1487 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1488 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1490 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1492 * ipa-type-escape.c: Tidy some comments and white space.
1493 * tree-ssa-operands.c: Likewise.
1495 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1498 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1499 (dump_decl_name): Do not walk the decl tree chains.
1500 * tree-pass.h (TDF_CHAIN): Remove.
1502 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1504 * Makefile.in (C): Remove
1506 (.PHONY): Remove C and PROTO
1508 2006-02-20 Roger Sayle <roger@eyesopen.com>
1511 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1512 deprecated CHAR_TYPE tree code.
1514 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1516 * configure.ac (target_list): Add install-info, dvi, html.
1517 * configure: Regenerate.
1519 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1520 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1521 treelang/Make-lang.in: Do not use double-colon rules.
1523 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1525 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1526 (TMT_USED_ALONE): New macro.
1527 * tree-pass.h (PROP_tmt_usage): New property.
1528 (TODO_update_tmt_usage): New todo.
1529 * tree-ssa-alias.c (updating_used_alone): New variable.
1530 (recalculate_used_alone): New function.
1531 (compute_may_aliases): Set updating_used_alone, call
1532 recalculate_used_alone.
1533 * tree-sra.c (pass_sra): Note that this pass destroys
1534 PROP_tmt_usage, and add TODO_update_tmt_usage.
1535 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1536 * tree-flow.h (updating_used_alone): Prototype.
1537 (recalculate_used_alone): Ditto.
1538 * passes.c (execute_todo): Add code to set updating_used_alone,
1539 and call recalculate.
1540 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1541 for clobber if used alone, and add assert to verify used_alone
1544 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1546 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1547 for non tls symbols added.
1548 (legitimize_address): Do nothing for PLUS expressions if one of the
1549 addends is a tls symbol reference.
1551 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1555 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1557 * Makefile.in (BOOTSTRAPPING): New.
1558 (quickstrap): New definition if BOOTSTRAPPING=yes.
1560 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1561 * configure.ac: Substitute all_selected_languages with the languages
1562 that were configured. For all the other variables except
1563 lang_specs_files, include all the languages in the tree.
1564 * configure: Regenerate.
1566 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1567 if there is one. Run the commands to run fixincludes in the same
1570 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1571 * doc/install.texi: Document exact conventions for searching target tools.
1572 Document --with-build-time-tools. Document toplevel bootstrap. Document
1573 something more about building an Ada cross-compiler. Don't list GNU Make
1574 requirements which affect all platforms.
1576 2006-02-19 Roger Sayle <roger@eyesopen.com>
1579 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1580 only equivalent if the have both the same mode and precision.
1582 2006-02-20 Ben Elliston <bje@au.ibm.com>
1584 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1586 2006-02-19 Roger Sayle <roger@eyesopen.com>
1587 Steven Bosscher <stevenb.gcc@gmail.com>
1589 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1590 constant pool references to identify stack mode constants.
1591 * rtlanal.c (constant_pool_constant_p): New predicate to check
1592 whether operand is a floating point constant in the pool.
1593 * rtl.h (constant_pool_constant_p): Prototype here.
1594 * loop.c (scan_loop): Avoid hoisting constants from the constant
1595 pool on STACK_REGS targets.
1596 (load_mems): Likewise.
1597 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1598 loads into x87 registers expensive in terms of register pressure.
1600 2006-02-19 Roger Sayle <roger@eyesopen.com>
1602 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1603 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1605 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1607 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1608 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1610 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1612 * doc/invoke.texi: Document -fipa-pta.
1613 * common.opt: Add ipa-pta option.
1614 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1615 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1616 (do_ds_constraint): Ditto.
1617 (get_constraint_for): Only add to referenced_vars if
1618 referenced_vars exists.
1619 (insert_into_field_list): Rewrite to do this unsorted.
1620 (insert_into_field_list_sorted): Rename old insert_into_field_list
1622 (create_function_info_for): Use insert_into_field_list_sorted.
1623 (create_variable_info_for): Rewrite so it uses unsorted version,
1624 since the field list is sorted.
1625 (intra_create_variable_infos): Only add to referenced_vars if
1626 referenced_vars exists.
1627 (ipa_pta_execute): Init heapvars, and delete when done.
1628 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1630 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1632 * doc/install.texi: Add missing `@samp'.
1634 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1636 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1639 2006-02-18 Mark Wielaard <mark@klomp.org>
1641 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1642 who added new 4.1 features, bug fixes and integration support.
1644 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1647 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1650 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1652 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1653 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1654 (copy_insn_1): Likewise. Don't copy each field individually.
1656 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1658 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1659 * rtl.c (rtx_size): Rename variable to...
1660 (rtx_code_size): ...this.
1661 (rtx_size): New function.
1662 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1663 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1665 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1666 * rtl.h (rtx_code_size): New variable.
1667 (rtx_size): Change from a variable to a function.
1668 (RTX_SIZE): Rename to...
1669 (RTX_CODE_SIZE): ...this.
1672 PR tree-optimization/17106
1673 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1674 (Anchored Addresses): New section.
1675 * doc/invoke.texi (-fsection-anchors): Document.
1676 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1677 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1678 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1679 * hooks.c (hook_bool_mode_rtx_false): New function.
1680 * hooks.h (hook_bool_mode_rtx_false): Declare.
1681 * gengtype.c (create_optional_field): New function.
1682 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1683 SYMBOL_REF_IN_BLOCK_P is true.
1684 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1685 (min_anchor_offset, max_anchor_offset): Likewise.
1686 (use_anchors_for_symbol_p): New hook.
1687 * toplev.c (compile_file): Call output_object_blocks.
1688 (target_supports_section_anchors_p): New function.
1689 (process_options): Check that -fsection-anchors is only used on
1690 targets that support it and when -funit-at-a-time is in effect.
1691 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1692 if the decl doesn't have one.
1693 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1694 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1695 of force_const_mem through use_anchored_address.
1696 (expand_expr_constant): New function.
1697 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1698 calling expand_expr for INDIRECT_REF.
1699 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1700 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1701 * expr.h (use_anchored_address): Declare.
1702 * loop-unroll.c: Don't declare rtx vectors here.
1703 * explow.c: Include output.h.
1704 (validize_mem): Call use_anchored_address.
1705 (use_anchored_address): New function.
1706 * common.opt (-fsection-anchors): New switch.
1707 * varasm.c (object_block_htab, anchor_labelno): New variables.
1708 (hash_section, object_block_entry_eq, object_block_entry_hash)
1709 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1710 (use_blocks_for_decl_p, change_symbol_section): New functions.
1711 (get_variable_section): New function, split out from assemble_variable.
1712 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1713 use_blocks_for_decl_p say so. Use change_symbol_section if the
1714 symbol has already been created.
1715 (assemble_variable_contents): New function, split out from...
1716 (assemble_variable): ...here. Don't output any code for
1717 block symbols; just pass them to place_block_symbol.
1718 Use get_variable_section and assemble_variable_contents.
1719 (get_constant_alignment, get_constant_section, get_constant_size): New
1720 functions, split from output_constant_def_contents.
1721 (build_constant_desc): Create a block symbol if use_object_blocks_p
1722 says so. Or into SYMBOL_REF_FLAGS.
1723 (assemble_constant_contents): New function, split from...
1724 (output_constant_def_contents): ...here. Don't output any code
1725 for block symbols; just pass them to place_section_symbol.
1726 Use get_constant_section and get_constant_alignment.
1727 (force_const_mem): Create a block symbol if use_object_blocks_p and
1728 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1729 (output_constant_pool_1): Add an explicit alignment argument.
1730 Don't switch sections here.
1731 (output_constant_pool): Adjust call to output_constant_pool_1.
1732 Switch sections here instead. Don't output anything for block symbols;
1733 just pass them to place_block_symbol.
1734 (init_varasm_once): Initialize object_block_htab.
1735 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1736 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1737 (place_block_symbol, get_section_anchor, output_object_block)
1738 (output_object_block_htab, output_object_blocks): New functions.
1739 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1740 (TARGET_ASM_OUT): Include it.
1741 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1742 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1743 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1744 (TARGET_INITIALIZER): Include them.
1745 * rtl.c (rtl_check_failed_block_symbol): New function.
1746 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1747 (block_symbol, object_block): New structures.
1748 (rtx_def): Add a block_symbol field to the union.
1749 (BLOCK_SYMBOL_CHECK): New macro.
1750 (rtl_check_failed_block_symbol): Declare.
1751 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1752 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1753 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1754 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1755 * output.h (output_section_symbols): Declare.
1756 (object_block): Name structure.
1757 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1758 (default_use_anchors_for_symbol_p): Declare.
1759 * Makefile.in (RTL_BASE_H): Add vec.h.
1760 (explow.o): Depend on output.h.
1761 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1762 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1763 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1764 (rs6000_use_blocks_for_constant_p): New function.
1766 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1768 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1770 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1773 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1776 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1778 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1782 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1785 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1786 instead of DECL_REGISTER.
1788 2006-02-18 Olivier Hainque <hainque@adacore.com>
1791 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1793 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1796 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1797 * opth-gen.awk: Handle Var and InverseMask together.
1798 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1799 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1800 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1801 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1803 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1804 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1805 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1806 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1807 LINUX_DYNAMIC_LINKER): Define.
1808 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1809 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1811 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1812 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1813 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1814 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1815 (TARGET_C99_FUNCTIONS): Don't define.
1816 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1817 GLIBC_DYNAMIC_LINKER.
1818 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1819 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1820 GLIBC_DYNAMIC_LINKER64): Define.
1821 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1822 LINUX_DYNAMIC_LINKER64.
1823 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1824 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1825 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1826 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1827 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1828 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1829 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1830 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1831 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1832 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1833 and LINUX_DYNAMIC_LINKER32.
1834 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1835 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1836 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1837 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1838 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1840 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1841 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1842 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1843 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1844 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1845 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1846 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1847 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1848 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1849 LINUX_DYNAMIC_LINKER): Define.
1850 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1851 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1852 GLIBC_DYNAMIC_LINKER64): Define.
1853 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1854 LINUX_DYNAMIC_LINKER64.
1855 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1856 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1857 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1858 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1859 LINUX_DYNAMIC_LINKER): Define.
1860 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1861 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1862 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1863 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1864 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1865 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1866 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1867 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1868 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1869 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1870 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1871 * doc/invoke.texi (-muclibc): Remove caveat about supported
1874 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1876 * doc/cpp.texi (__TIMESTAMP__): Document.
1878 2006-02-17 Roger Sayle <roger@eyesopen.com>
1881 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1882 C is one less than the width of X (and related transformations).
1883 * simplify-rtx.c (simplify_unary_operation_1): Transform
1884 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1885 depending on STORE_FLAG_VALUE, were C is one less then the
1888 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1890 Fix PR tree-optimization/26341
1891 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1892 about NAME_MEMORY_TAG's.
1894 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1897 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1898 with hardware float support, and software float support. Add fcpy
1899 alternative to hardware patterns. Add alternatives to copy between
1900 general and floating-point registers to the 32-bit pattern.
1901 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1902 secondary reload to load a QI or HI mode constant into a floating
1904 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1905 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1907 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1910 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1912 (load_macho_picbase_di): Likewise.
1914 2006-02-16 Jeff Law <law@redhat.com>
1916 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1917 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1918 (ssa_name_nonzero_p): Likewise.
1919 (get_value_range): Return NULL if VRP is not running.
1920 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1921 VRP routines do not discover a range.
1922 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1923 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1924 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1925 (tree_expr_nonnegative_p): Similarly.
1926 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1927 (restore_nonzero_vars_to_original_value): Remove.
1928 (unsafe_associative_fp_binop): Remove.
1929 (tree_ssa_dominator_optimize): Remove initialization and
1930 finalization of nonzero_vars and nonzero_vars_stack.
1931 (dom_opt_initialize_block): No longer push marker on
1933 (dom_opt_finalize_block): No longer call
1934 restore_nonzero_vars_to_original_value.
1935 (record_equivalences_from_phis): No longer look for
1936 nonzero PHI arguments.
1937 (cprop_into_successor_phis): No longer propagate nonzero
1938 property into PHI arguments. Lose unused argument. Caller
1940 (record_equivalences_from_stmt): No longer record nonzero
1941 values for SSA_NAMEs.
1942 (lookup_avail_expr): No longer use nonzero_vars.
1944 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1945 for sizetype when sizetype is unsigned.
1947 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1949 PR rtl-optimization/25603
1950 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1951 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1952 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1953 with new meaning of SETS.
1955 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1960 * config/linux.opt: New file.
1961 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1962 LINUX_DYNAMIC_LINKER): Define.
1963 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1964 * config.gcc (*-*-linux*): Define extra_options.
1965 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1966 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1967 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1968 GLIBC_DYNAMIC_LINKER.
1969 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1970 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1971 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1972 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1973 * doc/invoke.texi (GNU/Linux Options): New section.
1975 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1977 * config/sparc/sparc.md (setjmp): Rewrite.
1978 (setjmp_32): Delete.
1979 (setjmp_64): Likewise.
1981 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1983 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1986 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1988 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1991 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1993 PR rtl-optimization/26296
1994 * Makefile.in (loop-invariant.c): Add except.h dependency.
1995 * loop-invariant.c: Include except.h.
1996 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1998 2005-02-16 Paul Brook <paul@codesourcery.com>
2000 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2003 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2005 PR rtl-optimization/25636
2006 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2007 when deciding whether an insn is an initializing insn.
2009 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2011 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2012 (tree_code_size): Ditto.
2013 * tree.h (struct tree_memory_tag): Remove parent_var.
2014 (struct tree_struct_field_tag): New.
2017 (union tree_node): Add sft member.
2018 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2020 (create_sft): Add size and offset argument, set SFT_OFFSET and
2022 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2023 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2024 * tree-flow-inline.h (get_subvar_at): Update for
2025 SFT_OFFSET/SFT_SIZE.
2026 (var_can_have_subvars): Ditto.
2027 (overlap_subvar): Ditto.
2028 * print-tree.c (print_node): Print out interesting things for
2030 * tree-flow.h (struct subvar): Remove offset and size members.
2031 * tree-ssa-operands.c (get_expr_operands): Update for
2032 get_indirect_ref_operands changes.
2033 (get_indirect_ref_operands): Call add_virtual_operand instead of
2034 add_stmt_operand. Only recurse on base var if requested.
2035 (access_can_touch_variable): New function.
2036 (add_stmt_operand): Split virtual operand handling into ...
2037 (add_virtual_operand): Here. Add offset, size, and for_clobber
2038 arguments. Prune alias sets.
2039 (add_call_clobber_ops): Call add_virtual_operand.
2041 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2044 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2046 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2047 than TREE_CODE as index into omp_clause_num_ops array.
2049 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2051 PR rtl-optimization/26184
2052 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2054 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2055 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2056 must_precede, must_follow and tobe_scheduled.
2059 * opts.c (common_handle_option): Free new_option pointer.
2060 * df-core.c (df_analyze): Free postorder pointer.
2062 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2064 * Makefile.in: Fix the examples about the use of stamps
2066 2006-02-15 Michael Matz <matz@suse.de>
2070 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2071 influenced by maximum_field_alignment or DECL_PACKED.
2072 (update_alignment_for_field): Ditto.
2073 (place_field): Ditto.
2074 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2077 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2079 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2080 (debug_flow_info): Pass it.
2081 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2082 * bb-reorder.c (reorder_basic_blocks): Likewise.
2083 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2084 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2085 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2086 * gcse.c (gcse_main, bypass_jumps): Likewise.
2087 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2088 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2089 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2090 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2091 * rtl.h (dump_flow_info): Adjust prototype.
2092 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2093 * var-tracking.c (variable_tracking_main): Likewise.
2094 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2095 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2098 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2100 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2103 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2105 PR tree-optimization/26209
2106 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2107 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2109 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2111 2006-02-14 Roger Sayle <roger@eyesopen.com>
2114 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2115 (X,Y) and the corresponding symmetry related transformations.
2116 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2117 (X,Y) and its symmetry related transformations.
2119 2006-02-14 Roger Sayle <roger@eyesopen.com>
2121 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2124 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2126 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2128 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2131 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2132 support COMDAT group.
2133 * configure: Regenerate.
2135 2006-02-14 Roger Sayle <roger@eyesopen.com>
2140 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2142 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2144 Fix PR tree-optimization/26260
2146 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2148 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2149 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2150 * tree-ssa-structalias.c (create_variable_info_for): Use
2151 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2153 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2155 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2157 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2158 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2159 of the ending condition.
2160 * tree-ssa-loop-manip.c: Include params.h.
2161 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2162 tree_unroll_loop): New functions.
2163 * tree-pass.h (pass_loop_prefetch): Declare.
2164 * loop.c (rest_of_handle_loop_optimize): Test for
2165 -fprefetch-loop-arrays-rtl.
2166 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2167 * timevar.def (TV_TREE_PREFETCH): New timevar.
2168 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2169 pass_loop_prefetch): New.
2170 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2171 (cleanup_tree_cfg_loop): Call scev_reset.
2172 * common.opt (fprefetch-loop-arrays-rtl): Add.
2173 * tree-ssa-loop-prefetch.c: New file.
2174 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2175 (new_temp_expr_table): Initialize expr_vars.
2176 (free_temp_expr_table): Cleanup expr_vars.
2177 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2178 expressions from being merged into one.
2179 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2180 (struct tree_niter_desc): Add control, bound and cmp fields.
2181 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2183 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2184 (tree-cfgcleanup.o): Add SCEV_H dependency.
2185 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2186 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2188 2006-02-14 Richard Guenther <rguenther@suse.de>
2190 PR tree-optimization/26258
2191 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2192 in PHI argument processing.
2194 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2196 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2197 new expression in the requested machine mode.
2199 2006-02-13 Roger Sayle <roger@eyesopen.com>
2201 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2202 directly, instead let do_compare_rtx_and_jump handle this for us.
2203 * expr.c (expand_expr_real_1): Likewise.
2204 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2205 before do_jump_by_parts_greater.
2206 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2207 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2209 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2211 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2213 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2215 PR rtl-optimization/26235
2216 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2217 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2220 2006-02-13 Jeff Law <law@redhat.com>
2222 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2225 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2228 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2229 twice if decl is a builtin. When trying again, call get_callee_fndecl
2230 first to verify it is still a builtin.
2232 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2234 * dwarf2out.c (base_type_die): Don't add AT_name here.
2235 (subrange_type_die): Don't add AT_name here.
2236 (modified_type_die): Rearrange code flow. Do add AT_name here.
2238 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2240 PR rtl-optimization/26247
2241 PR rtl-optimization/26248
2242 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2244 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2246 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2247 * config/fixtfdi.c: Likewise.
2248 * config/fixunstfdi.c: Likewise.
2249 * config/floatditf.c: Likewise.
2251 2006-02-13 Roger Sayle <roger@eyesopen.com>
2254 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2255 into (X,C2) if C1 is a subset of the bits of C2. Transform
2256 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2258 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2260 2006-02-13 Josh Conner <jconner@apple.com>
2263 * varasm.c (function_section): Check for section name before
2264 calling select_section on targets that define
2265 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2266 unlikely_text_section instead of hot_function_section if
2267 first_function_block_is_cold.
2269 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2272 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2274 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2276 PR rtl-optimization/26222
2277 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2278 after tree->rtl expansion.
2279 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2280 before passing it to emit_move_insn.
2282 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2284 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2286 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2287 Clarify documentation.
2288 * c-common.h (warn_write_strings): Remove.
2289 * c-common.c (warn_write_strings): Likewise.
2290 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2293 2006-02-12 Roger Sayle <roger@eyesopen.com>
2296 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2297 (do_jump_parts_zero_rtx): New function renamed from
2298 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2299 (do_jump_parts_equality_rtx): New function split out from
2300 do_jump_parts_equality. Old implementation renamed as above.
2301 Call do_jump_parts_zero_rtx if either operand is zero.
2302 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2303 do all of the heavy lifting.
2304 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2305 calling either do_jump_by_parts_greater_rtx or
2306 do_jump_by_parts_equality_rtx.
2307 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2308 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2309 moved to do_compare_rtx_and_jump, call it directly.
2310 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2311 mode argument. Call do_compare_rtx_and_jump.
2312 (emit_case_nodes): Update calls to do_jump_if_equal.
2314 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2316 PR rtl-optimization/26225
2317 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2319 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2321 PR rtl-optimization/26232
2322 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2324 2006-02-11 Jason Merrill <jason@redhat.com>
2327 * tree-inline.c (declare_return_variable): Just don't use the
2328 modify target if it's a gimple complex reg and the return slot
2331 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2333 * doc/contrib.texi: Update my entry.
2335 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2337 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2339 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2341 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2344 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2346 * doc/invoke.texi (-floop-optimize2): Removed.
2347 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2348 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2349 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2350 * common.opt (floop-optimize2): Removed.
2351 (fmove-loop-invariants): Enabled by default.
2353 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2355 * tree-if-conv.c (combine_blocks): Free the result of
2356 get_loop_exit_edges.
2358 2006-02-10 Jeff Law <law@redhat.com>
2360 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2362 PR tree-optimization/26213
2363 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2364 loop trying to follow SSA_NAME_VALUE chains.
2366 2006-02-10 Richard Guenther <rguenther@suse.de>
2368 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2369 deal with structures that end in implicitly variable sized arrays.
2371 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2373 PR rtl-optimization/24762
2374 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2377 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2379 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2380 (struct ivopts_data): Add regs_used field.
2381 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2382 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2383 instead of loop_data->regs_used;
2384 (free_loop_data): Do not free aux fields for loops.
2385 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2386 and tree_ssa_iv_optimize_finalize.
2388 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2390 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2392 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2395 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2396 computing the effective result type.
2398 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2401 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2402 (tree_overlaps_hard_reg_set): Declare.
2403 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2404 type and signature to match function type expected by walk_tree.
2405 (tree_overlaps_hard_reg_set): New function.
2406 (decl_conflicts_with_clobbers_p): Rename to:
2407 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2408 Use tree_overlaps_hard_reg_set. Changed caller.
2409 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2410 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2411 * cris.c (cris_md_asm_clobbers): Likewise.
2413 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2415 * reload1.c (emit_input_reload_insns): Delete code that tries to
2416 inherit using find_equiv_reg.
2418 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2420 * c-common.h (flag_const_strings): Don't declare.
2421 * c-common.c (flag_const_strings): Remove.
2422 * c.opt (fconst_strings): Remove.
2423 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2424 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2425 (c_common_init_options): Don't set flag_const_strings.
2426 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2428 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2430 * arm.md (tlobits_cbranch): New pattern.
2431 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2432 testing a single bit.
2434 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2437 * tree-ssa-pre.c (create_component_ref_by_pieces):
2438 Handle RETURN_DECL like VAR_DECL.
2440 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2443 * fold-const.c (fold_indirect_ref_1): Fold
2444 "*(foo *)&complexfoo" to "__real__ complexfoo"
2445 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2447 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2449 * tree-flow-inline.h (var_can_have_subvars):
2450 Volatile variables should not have subvariables.
2452 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2455 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2456 multiplying unsigned values.
2459 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2461 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2463 2006-02-08 Jason Merrill <jason@redhat.com>
2466 * tree.def: Elaborate on difference from MODIFY_EXPR.
2467 * doc/c-tree.texi (INIT_EXPR): Likewise.
2468 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2469 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2470 (gimplify_target_expr): Likewise.
2471 (gimplify_cond_expr): Remove target handling.
2472 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2473 (gimplify_expr): Clobber it here.
2474 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2475 Do return slot optimization if we have an INIT_EXPR.
2478 * tree-inline.c (declare_return_variable): Also clear
2479 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2482 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2485 * gimplify.c (gimplify_one_sizepos): Fix typo.
2487 2006-02-08 Jeff Law <law@redhat.com>
2489 PR tree-optimization/21417
2490 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2491 across a backedge if the control statement at the end of the
2492 block is data dependent on other statements in the same block.
2493 (record_temporary_equivalences_from_stmts): Remove over-conservative
2494 test for threading across backedges.
2496 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2497 control statement, handle all three special cases in the same
2498 manner as they all have the same desired solution. No longer
2499 special case edge flag updating when the post dominator is
2502 2006-02-08 Roger Sayle <roger@eyesopen.com>
2504 * tree.def (CHAR_TYPE): Remove.
2505 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2506 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2507 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2508 (gen_string_type_die): Delete unreachable function.
2510 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2511 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2512 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2513 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2514 * builtins.c (type_to_class): Likewise.
2515 * fold-const.c (fold_convert, build_range_check,
2516 merge_ranges): Likewise.
2517 * expr.c (count_type_elements): Likewise.
2518 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2519 * stor-layout.c (layout_type): Likewise.
2520 * ipa-type-escape.c (type_to_consider): Likewise.
2521 * gimplify.c (omp_firstprivatize_type_sizes,
2522 gimplify_type_sizes): Likewise.
2523 * explow.c (promote_mode): Likewise.
2524 * tree-sra.c (is_sra_scalar_type): Likewise.
2525 * varasm.c (output_constant): Likewise.
2526 * tree-inline.c (remap_type_1): Likewise.
2527 * convert.c (convert_to_pointer, convert_to_real,
2528 convert_to_integer, convert_to_complex): Likewise.
2530 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2532 * df-scan.c (df_def_record_1): A set destination may
2533 be a parallel regardless of mode.
2535 2006-02-08 Roger Sayle <roger@eyesopen.com>
2538 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2539 * config/mips/_tilib.c: Remove.
2540 * config/fixtfdi.c: New libgcc source file.
2541 * config/fixunstfdi.c: New source file.
2542 * config/floatditf.c: New source file.
2543 * config/floatunditf.c: New souce file.
2544 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2545 files above instead of config/mips/_tilib.c.
2546 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2548 2006-02-08 Jeff Law <law@redhat.com>
2550 PR tree-optimization/26169
2551 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2554 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2556 * df.h (DF_REG_SIZE): Return the length of the initialized
2559 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2561 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2562 __muldf3): Return a correctly signed zero.
2564 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2566 * passes.c (register_one_dump_file): Accept the current properties
2567 instead of pass number. Adjust call to dump_register. Remove
2569 (register_dump_files): Now a wrapper around...
2570 (register_dump_files_1): ... this one. Do not modify the pass
2572 (next_pass_1): Cosmetic fix.
2573 (execute_todo): Keep second parameter only. Use curr_properties
2574 instead of fetching it from the pass structure. Check and set
2576 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2577 instead of fetching it from the pass structure. Fix calls to
2578 execute_todo. Update curr_properties and initialize .vcg RTL dump
2579 after running the pass. Reset last_verified.
2580 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2582 (FIRST_AUTO_NUMBERED_DUMP): New.
2583 (dump_register): Remove "num" parameter, assign it within the
2585 (get_dump_file_name): Modify template for dumps.
2586 * tree-dump.h (dump_register): Adjust prototype.
2587 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2588 (PROP_trees): Add PROP_gimple_lomp.
2589 (TODO_set_props): New.
2590 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2591 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2592 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2594 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2596 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2597 (sparc64-*-linux*): Likewise.
2598 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2599 * config/sparc/t-linux: New file.
2600 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2601 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2602 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2603 -m32 -mlong-double-128.
2605 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2606 * config/alpha/t-linux: New file.
2607 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2609 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2610 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2611 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2612 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2613 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2614 (CPP_ARCH32_SPEC): Remove.
2616 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2618 PR tree-optimization/26145
2619 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2622 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2625 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2626 >= 240000 when generating code for SOM runtime.
2627 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2628 to $$dyncall when generating code for SOM runtime..
2630 2006-02-07 Dirk Mueller <dmueller@suse.com>
2633 * doc/invoke.texi (-Wsequence-point): Update documentation
2634 that -Wsequence-point is implemented for C++ as well.
2636 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2638 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2639 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2640 (LIB_SPEC): Likewise.
2641 * doc/invoke.texi (SPARC options): Document -pthread.
2643 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2645 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2648 2006-02-07 Roger Sayle <roger@eyesopen.com>
2650 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2651 Correct comment describing BOOLEAN_TYPE.
2653 2006-02-07 Dirk Mueller <dmueller@suse.com>
2655 * c.opt: C++ frontend supports -Wdiv-by-zero.
2656 * c-opts.c (c_common_handle_option): Remove dead case.
2658 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2660 * configure.ac (TLS assembler check): Do not enable TLS by
2661 default on SPARC/Solaris before version 10.
2662 * configure: Regenerate.
2664 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2666 * doc/invoke.texi (xl-compat): Document conversion and support
2669 2006-02-07 Jeff Law <law@redhat.com>
2671 * tree-vrp.c (find_conditional_asserts): Update comments.
2672 (simplify_stmt_for_jump_threading): New.
2673 (identify_jump_threads, finalize_jump_threads): New.
2674 (vrp_finalize): Call identify_jump_threads.
2675 (execute_vrp): Call finalize_jump_threads.
2676 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2677 (vrp_element, vrp_data, vrp_element_p): Remove.
2678 (vrp_hash_elt, vrp_variables_stack): Remove.
2679 (vrp_hash, vrp_eq, record_range): Remove.
2680 (simplify_cond_and_lookup_avail_expr): Remove.
2681 (extract_range_from_cond): Remove.
2682 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2683 (simplify_stmt_for_jump_threading): New.
2684 (dom_thread_across_edge): New wrapper.
2685 (tree_ssa_dominator_optimize): No longer initialize or
2686 finalize any of the VRP datastructures. Remove iteration
2687 step and simplify as a result of removal of iteration step.
2688 (pass_dominator): Perform a cfg cleanup after DOM.
2689 (dom_opt_finalize_block): Use the new common routines
2690 for threading jumps. Simplify stack management slightly.
2691 No longer need to unwind VRP state.
2692 (record_equivalences_from_incoming_edge): No longer record
2694 (eliminate_redundant_computations): No longer call
2695 simplify_cond_and_lookup_avail_expr.
2696 * tree-flow.h (potentially_threadable_block): Prototype.
2697 (thread_across_edge): Likewise.
2698 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2699 (tree-ssa-threadedge.o): Add dependencies.
2700 * tree-ssa-threadedge.c: New file.
2701 * passes.c (init_optimization_passes): Merge PHIs before
2702 calling VRP. Run VRP again late in the SSA optimization pipeline.
2704 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2706 * df-core.c (df_set_blocks): Do not dereference function pointers.
2707 (df_finish1): Likewise.
2708 (df_hybrid_search_forward): Likewise.
2709 (df_hybrid_search_backward): Likewise.
2710 (df_iterative_dataflow): Likewise.
2711 (df_analyze_problem): Likewise.
2712 (df_compact_blocks): Likewise.
2713 (df_dump): Likewise.
2714 * df-scan.c (df_rescan_blocks): Likewise.
2715 (df_record_entry_block_defs): Likewise.
2717 * genconditions.c (write_conditions): Guard the definition of
2718 'insn_conditions' with the check on GCC version.
2719 (write_writer): Guard the traversal 'insn_conditions' with
2720 the check on GCC version.
2722 2006-02-07 Richard Guenther <rguenther@suse.de>
2726 2006-01-30 Richard Guenther <rguenther@suse.de>
2728 * gimplify.c (gimplify_target_expr): Handle easy cases
2729 without creating a temporary.
2731 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2733 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2734 use of float in probability computations. Use edge probabilities
2735 in place of statically computed probabilities.
2736 (min_spec_prob): New static variable.
2737 (schedule_insns): Initialize it.
2738 (GET_SRC_PROB): Removed.
2739 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2741 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2744 * config/ia64/unwind-ia64.c: Revert last change.
2745 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2746 (INCOMING_FRAME_SP_OFFSET): Define.
2748 2006-02-06 Roger Sayle <roger@eyesopen.com>
2750 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2752 2006-02-07 Ben Elliston <bje@au.ibm.com>
2754 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2755 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2756 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2757 (ix86_return_in_memory): Handle TDmode.
2758 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2759 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2761 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2763 * reorg.c (dbr_schedule): Use dump_file instead of file.
2765 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2768 * config/ia64/predicates.md (extr_len_operand): New predicate.
2769 * config/ia64/ia64.md (extv): Tighten constraints.
2771 (*tbit_and_2): Ditto.
2772 (*tbit_and_3): Ditto.
2773 (*tbit_or_2): Ditto.
2774 (*tbit_or_3): Ditto.
2778 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2781 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2783 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2785 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2786 loop_optimizer_init and loop_optimizer_finalize
2787 * tree-ssa-sink.c (execute_sink_code): Ditto.
2788 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2789 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2790 tree_ssa_loop_done): Ditto.
2791 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2792 * sched-ebb.c: Include output.h.
2793 (schedule_ebbs): Do not use dump argument.
2794 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2795 * loop.c (loop_dump_stream): Removed.
2796 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2798 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2799 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2800 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2801 loop_iterations, strength_reduce, record_biv, record_giv,
2802 final_giv_value, check_final_value, check_ext_dependent_givs,
2803 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2804 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2805 dump_file instead of loop_dump_stream.
2806 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2808 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2810 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2811 * haifa-sched.c: Include output.h
2812 (schedule_insns, sched_init): Do not use dump argument.
2813 * mode-switching.c (optimize_mode_switching): Ditto.
2814 * modulo-sched.c (stats_file): Removed.
2815 (print_node_sched_params): Do not call argument dump_file.
2816 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2817 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2819 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2821 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2822 rtl_loop_init, rtl_loop_done): Ditto.
2823 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2824 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2826 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2827 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2828 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2829 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2830 * emit-rtl.c (renumber_insns): Ditto.
2831 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2832 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2833 * regclass.c (regclass): Ditto.
2834 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2835 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2836 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2837 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2839 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2840 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2842 * gcse.c (gcse_file, debug_stderr): Removed.
2843 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2844 rest_of_handle_gcse): Do not use dump argument.
2845 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2846 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2847 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2848 compute_code_hoist_vbeinout, compute_code_hoist_data,
2849 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2850 compute_store_table, build_store_vectors, insert_insn_start_bb,
2851 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2852 store_motion): Use dump_file instead of gcse_file.
2853 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2854 * profile.c (profile_dump_file): Removed.
2855 (branch_prob): Use dump_file instead of profile_dump_file.
2856 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2858 * tree-ssa-copy.c (dump_copy_of): Ditto.
2859 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2860 dump file to life_analysis.
2861 * bt-load.c (branch_target_load_optimize): Ditto.
2862 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2864 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2865 regclass, dbr_schedule): Declaration changed.
2866 * sched-int.h (sched_init): Declaration changed.
2867 * tree-profile.c (tree_profile_dump_file): Removed.
2868 (tree_profile_hooks): Removed profile_dump_file hook.
2869 * rtl-profile (rtl_profile_dump_file): Removed.
2870 (rtl_profile_hooks): emoved profile_dump_file hook.
2871 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2873 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2874 * tree-cfg.c (build_tree_cfg): Ditto.
2875 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2876 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2877 Declaration changed.
2878 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2879 life_analysis and schedule_insns.
2880 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2882 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2884 * config/mips/mips.c (mips_reorg): Ditto.
2885 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2888 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2890 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2891 (s390_mangle_fundamental_type): New.
2892 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2895 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2896 (alpha_mangle_fundamental_type): New.
2897 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2900 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2902 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2904 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2905 (sparc_mangle_fundamental_type): New.
2907 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2909 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2910 (s390x-*-linux*): Likewise.
2911 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2912 * config/s390/t-linux: New file.
2914 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2916 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2917 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2919 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2921 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2922 (ANTIC_SAFE_LOADS): New macro.
2923 (find_or_generate_expression): Add prototype.
2924 (set_contains_value): Allow null set for sake of not always having
2925 to allocate ANTIC_SAFE_LOADS.
2926 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2927 Allow COMPONENT_REF too.
2928 (valid_in_set): Allow COMPONENT_REF.
2929 Check ANTIC_SAFE_LOADS too.
2930 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2931 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2933 (can_PRE_operation): Add COMPONENT_REF.
2934 (create_component_ref_by_pieces): New function.
2935 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2936 (insert_aux): Move AGGREGATE_TYPE_P check here.
2937 (compute_avail): Set bb local stmt uids.
2938 (pass_pre): Use TODO_update_ssa_only_virtuals.
2940 2006-02-06 Ben Elliston <bje@au.ibm.com>
2942 * configure.ac: Unconditionally disable decimal float by default.
2943 * configure: Regenerate.
2945 2006-02-06 Ben Elliston <bje@au.ibm.com>
2947 * read-rtl.c (read_name): Terminate reading on EOF.
2949 2006-02-06 Ben Elliston <bje@au.ibm.com>
2951 * dfp.c (decimal_real_arithmetic): Change second argument type
2952 from int to enum tree_code. Do not always return true, but now
2953 return result of any call to decimal_do helper functions.
2954 * dfp.h (decimal_real_arithmetic): Update prototype.
2956 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2958 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2960 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2963 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2966 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2968 * tree-vrp.c (cfg_loops): Removed.
2969 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2970 Use current_loops instead of cfg_loops. Pass flags to
2971 loop_optimizer_init.
2972 * cfgloopmanip.c (fix_loop_structure): Update only available
2974 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2975 loop_optimizer_init.
2976 * modulo-sched.c (build_loops_structure): Removed.
2977 (sms_schedule): Use loop_optimizer_init.
2978 * loop-init.c (loop_optimizer_init): Use flags to determine
2979 which properties of loops to prepare.
2980 (rtl_loop_init): Pass flags to loop_optimizer_init.
2981 * tree-ssa-sink.c (execute_sink_code): Ditto.
2982 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2983 * tree-ssa-pre.c (init_pre): Ditto.
2984 * cfgloop.h (LOOPS_NORMAL): New.
2985 (loop_optimizer_init): Declaration changed.
2987 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2989 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2990 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2992 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2994 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2996 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2997 * pa/t-pa64: Delete quadlib.c rule.
2998 * pa/x-ada: Revert last change.
2999 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3001 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3003 PR rtl-optimization/26087
3004 * rtlanal.c (canonicalize_condition): Do not cross basic block
3007 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3010 * config/ia64/ia64.c: Include debug.h.
3011 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3012 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3013 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3014 (process_epilogue, process_set, process_for_unwind_directive):
3015 Output unwind info only if requested. Add CFA info if requested.
3016 Add new arguments as needed. Adjust callers.
3017 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3019 (DWARF2_FRAME_INFO): Define to zero.
3020 * config/ia64/unwind-ia64.c: Remove code that compensated for
3021 the CFA offset error fixed above.
3022 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3023 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3024 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3025 -funwind-tables and -fexceptions to enable frame info.
3026 (dwarf2out_frame_init): Define initial CFA even if
3027 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3028 DWARF2_UNWIND_INFO is nonzero, not just defined.
3029 (dwarf2out_frame_finish): Output non-EH call frame info only
3030 if DWARF2_FRAME_INFO is nonzero.
3031 (convert_cfa_to_loc_list,
3032 compute_frame_pointer_to_cfa_displacement): Define even if
3033 unwind info is not supported.
3034 (gen_subprogram_die): Use the above unconditionally. Remove
3035 legacy alternate code.
3036 * toplev.c (compile_file): Compile in call to
3037 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3038 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3040 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3041 Jakub Jelinek <jakub@redhat.com>
3043 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3044 IBM extended float format long double as "g" on powerpc*-linux.
3046 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3049 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3050 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3052 2006-02-03 Jason Merrill <jason@redhat.com>
3055 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3058 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3059 on the return slot if it's an NRV.
3061 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3063 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3064 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3065 rewrite_use): Do not handle USE_OUTER.
3066 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3067 add_iv_outer_candidates, may_replace_final_value,
3068 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3069 (find_interesting_uses_op): Functionality of
3070 find_interesting_uses_outer_or_nonlin moved here.
3071 (find_interesting_uses_outside): Use find_interesting_uses_op.
3073 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3076 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3078 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3079 Ulrich Weigand <uweigand@de.ibm.com>
3082 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3083 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3084 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3085 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3087 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3088 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3089 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3090 Define secondary reloads for TFmode moves.
3091 (constant_modes): Add TFmode.
3092 (NR_C_MODES): Set to 8.
3093 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3095 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3096 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3097 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3098 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3099 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3100 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3101 (FPR mode macro): Add TFmode.
3102 (DSF mode macro): New.
3103 (<de>, <dee> mode attributes): Removed.
3104 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3105 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3106 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3107 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3108 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3109 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3110 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3111 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3112 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3113 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3114 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3115 "*negabs<mode>2", "sqrt<mode>2"):
3116 Changed <de> to <xde>. R constraint replaced by <Rf>.
3117 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3119 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3120 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3121 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3123 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3124 "extenddftf2", "extendsftf2"): New expanders.
3125 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3126 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3127 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3128 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3130 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3131 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3132 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3133 __floatditf): Add a GCC_4.1.0 symbol version tag.
3134 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3137 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3140 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3141 Use targetm.binds_local_p instead of TREE_PUBLIC.
3143 2006-02-02 Roger Sayle <roger@eyesopen.com>
3145 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3146 on INTEGER_TYPEs to indicate that it denotes a character type.
3147 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3148 signed_char_type_node, unsigned_char_type_node and char_type_node.
3149 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3150 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3151 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3153 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3154 Daniel Berlin <dberlin@dberlin.org>
3156 * tree-tailcall.c (arg_needs_copy_p): New function.
3157 (eliminate_tail_call): Use arg_needs_copy_p.
3158 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3159 (add_virtual_phis): New function.
3161 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3163 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3164 #ignore instead of #scratch for %g7 .register directive.
3166 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3168 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3171 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3173 * flow.c (calculate_global_regs_live): Assert that there aren't any
3176 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3178 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3180 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3181 bsi_after_labels iterator.
3182 * tree-if-conv.c (find_phi_replacement_condition,
3183 replace_phi_with_cond_modify_expr): Likewise.
3184 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3185 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3187 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3189 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3191 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3194 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3195 array after growing it.
3197 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3200 * fold-const.c (fold_checksum_tree): Change type of buf.
3202 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3204 * reload.c (push_secondary_reload): Initialize t_icode.
3206 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3208 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3209 -msoft-float -mlong-double-128 only issue a warning, but don't
3210 swich to DFmode long double.
3212 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3214 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3215 has a constant equivalent, iterate over equivalents for arg0,
3216 calling simplify_relational_operation and if there's a result
3217 cheaper than X, apply fold_rtx and return the result.
3219 2006-02-01 Jan Hubicka <jh@suse.cz>
3221 * opts.c (no_unit_at_a_time_default): New global variable.
3222 (decode_options): Use it.
3223 * opts.h (no_unit_at_a_time_default): Declare.
3225 2006-02-01 Paul Brook <paul@codesourcery.com>
3227 * function.c (assign_parm_setup_reg): Use function argument promotion
3229 * expr.c (expand_expr_real_1): Use function argument promotion rules
3232 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3234 * gcc.c (process_command): Change j to 'unsigned int'.
3236 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3239 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3240 Use the corrected index for the character
3241 out of the string constant.
3243 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3245 * mode-switching.c (optimize_mode_switching): Fix size
3246 allocated for bb_info[n_entities].
3248 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3250 * gcc.c (main): Correct type that is allocated for
3251 explicit_link_files.
3253 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3255 * config/s390/s390.c (init_alignment_context): Set
3256 ALIAS_SET_MEMORY_BARRIER on the MEM.
3257 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3259 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3262 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3264 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3267 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3269 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3270 * regrename.c: Ditto.
3271 * tree-ssa-loop-im.c: Ditto.
3272 * tree-dump.c: Ditto.
3273 * tree-complex.c: Ditto.
3274 * genrecog.c: Ditto.
3275 * tree-ssa-threadupdate.c: Ditto.
3277 * java/class.c: Ditto.
3278 * java/jcf-parse.c: Ditto.
3279 * java/resource.c: Ditto.
3280 * java/except.c: Ditto.
3281 * java/jvspec.c: Ditto.
3282 * java/jcf-write.c: Ditto.
3283 * java/jcf-path.c: Ditto.
3284 * java/gjavah.c: Ditto.
3285 * java/zextract.c: Ditto.
3286 * java/jcf-io.c: Ditto.
3287 * java/jcf.h: Ditto.
3288 * java/buffer.c: Ditto.
3289 * java/lang.c: Ditto.
3290 * java/parse-scan.y: Ditto.
3291 * java/lex.c: Ditto.
3292 * java/lex.h: Ditto.
3293 * cfgloopmanip.c: Ditto.
3294 * postreload-gcse.c: Ditto.
3295 * tree-ssa-loop-manip.c: Ditto.
3296 * postreload.c: Ditto.
3297 * tree-ssa-loop-ch.c: Ditto.
3301 * diagnostic.c: Ditto.
3303 * genoutput.c: Ditto.
3305 * cfghooks.c: Ditto.
3306 * cfgloopanal.c: Ditto.
3307 * objc/objc-act.c: Ditto.
3309 * genextract.c: Ditto.
3310 * genautomata.c: Ditto.
3311 * pretty-print.c: Ditto.
3313 * cgraphunit.c: Ditto.
3316 * haifa-sched.c: Ditto.
3317 * dominance.c: Ditto.
3319 * tree-ssa-loop-ivopts.c: Ditto.
3321 * mode-switching.c: Ditto.
3322 * modulo-sched.c: Ditto.
3324 * ipa-pure-const.c: Ditto.
3326 * fix-header.c: Ditto.
3328 * tree-stdarg.c: Ditto.
3329 * ipa-utils.c: Ditto.
3330 * loop-init.c: Ditto.
3331 * ipa-inline.c: Ditto.
3334 * alloc-pool.c: Ditto.
3335 * dwarf2out.c: Ditto.
3337 * genattrtab.c: Ditto.
3338 * tree-ssa-loop-ivcanon.c: Ditto.
3342 * fortran/gfortranspec.c: Ditto.
3344 * local-alloc.c: Ditto.
3345 * langhooks.c: Ditto.
3346 * function.c: Ditto.
3347 * tree-vectorizer.c: Ditto.
3349 * ipa-type-escape.c: Ditto.
3351 * tree-if-conv.c: Ditto.
3354 * tree-data-ref.c: Ditto.
3355 * loop-unroll.c: Ditto.
3356 * treelang/treetree.c: Ditto.
3359 * ggc-common.c: Ditto.
3361 * coverage.c: Ditto.
3363 * tree-cfgcleanup.c: Ditto.
3364 * tree-ssa-pre.c: Ditto.
3365 * cfgcleanup.c: Ditto.
3366 * loop-invariant.c: Ditto.
3368 * ipa-prop.c: Ditto.
3369 * print-tree.c: Ditto.
3370 * conflict.c: Ditto.
3371 * ggc-page.c: Ditto.
3372 * sched-deps.c: Ditto.
3373 * regclass.c: Ditto.
3374 * tree-object-size.c: Ditto.
3376 * bb-reorder.c: Ditto.
3377 * resource.c: Ditto.
3378 * var-tracking.c: Ditto.
3380 * df-problems.c: Ditto.
3381 * reg-stack.c: Ditto.
3384 * sched-rgn.c: Ditto.
3385 * tree-ssa-structalias.c: Ditto.
3386 * tree-ssa-reassoc.c: Ditto.
3387 * config/darwin-c.c: Ditto.
3388 * config/darwin.c: Ditto.
3389 * config/arm/arm.c: Ditto.
3391 * collect2.c: Ditto.
3394 2006-01-31 Nicolas Pitre <nico@cam.org>
3396 * arm.md (smaxsi3): Make aware of smax_m1.
3399 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3401 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3403 2006-01-31 Richard Guenther <rguenther@suse.de>
3405 * doc/invoke.texi (-msselibm): Document.
3406 * target.h (expand_library_builtin): New target hook.
3407 * builtins.c (expand_builtin): Use expand_library_builtin.
3408 (default_expand_library_builtin): New function.
3409 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3410 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3411 (link_gcc_math_spec): Declare.
3412 (static_specs): Add link_gcc_math_spec.
3413 * expr.h (default_expand_library_builtin): Declare.
3414 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3415 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3416 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3417 * config/i386/i386.opt (msselibm): New target option.
3418 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3419 (ix86_init_sse_abi_builtins): New function.
3420 (ix86_expand_library_builtin): Likewise.
3421 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3422 (override_options): Handle error conditions wrt -msselibm.
3423 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3424 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3425 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3428 2006-01-31 Richard Guenther <rguenther@suse.de>
3429 Paolo Bonzini <bonzini@gnu.org>
3431 * doc/install.texi (--disable-libgcc-math): Document.
3433 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3435 * expr.h (expand_normal): new inline function.
3436 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3438 * dwarf2out.c: use it.
3443 * config/sparc/sparc.c: use it.
3444 * config/i386/i386.c: use it.
3445 * config/rs6000/rs6000.c: use it.
3446 * config/arm/arm.c: use it.
3447 * config/mips/mips.c: use it.
3448 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3450 2006-01-30 Roger Sayle <roger@eyesopen.com>
3452 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3453 argv to the appropriate type.
3455 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3457 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3460 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3463 * config/s390/s390.c (struct machine_function): New flag
3464 decomposed_literal_pool_addresses_ok_p.
3465 (s390_reorg): Set it before final stage of literal pool transforms.
3466 (s390_decompose_address): Only accept displacements of the form
3467 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3469 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3471 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3472 the comparison routine return.
3474 2006-01-30 Michael Matz <matz@suse.de>
3476 * global.c (find_reg): Only evict for global regs.
3477 Take n_refs into account and dump more info.
3479 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3482 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3483 (pragma_trap, pragma_nosave_low_regs): Likewise.
3484 (current_function_anonymous_args): Likewise.
3485 (sh_deferred_function_attributes): New variable.
3486 (sh_deferred_function_attributes_tail): Likewise.
3487 (print_operand): For '@', look up trap_exit attribute.
3488 (calc_live_regs): Look up trapa_handler attribute. For trapa
3489 handlers, save/restore fpscr, but don't do any other
3490 interrupt-specific saves.
3491 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3492 Fix check for partially saved registers to check for SHmedia.
3493 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3494 (sh_output_function_epilogue): Don't clear any of the removed
3496 (sh_insert_attributes): Don't check pragma_interrupt.
3497 Insert deferred attributes. Check that interrupt attribute is
3498 present for other attributes that require its presence.
3499 (sh_attribute_table): Add new attributes trapa_handler and
3501 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3502 Don't check for pragma_interrupt. Don't store argument.
3503 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3504 (sh_deferred_function_attributes): Declare.
3505 (sh_deferred_function_attributes_tail): Likewise.
3506 * sh.md (sp_switch_1): Add operand. Change generator caller.
3507 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3508 (*return_i): Don't use when trap_exit attribute is in effect.
3509 (*return_trapa): New insn pattern.
3511 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3512 setting c_target_objs and cxx_target_objs.
3513 * t-sh: Add rule for sh-c.o.
3515 2006-01-30 Richard Guenther <rguenther@suse.de>
3518 * gimplify.c (gimplify_target_expr): Handle easy cases
3519 without creating a temporary.
3521 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3523 * vec.h (safe_grow): Remove duplicated line.
3525 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3528 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3529 (expand_omp): ... here.
3530 (expand_omp_parallel): Only remove barriers for combined
3531 parallel+workshare constructs.
3533 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3537 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3538 * tree.c (build_qualified_type): Chain the new type to the original
3539 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3540 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3541 (build_pointer_type_for_mode): Only return unqualified types.
3542 (build_reference_type_for_mode): Likewise.
3544 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3546 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3547 * Makefile.in (CXX_COMPAT_WARN): Define.
3548 * configure: Regenerate.
3550 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3553 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3556 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3558 * toplev.c: Fix thinko.
3560 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3561 Marcin Dalecki <martin@dalecki.de>
3563 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3564 (push_srcloc): Use XNEW.
3565 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3567 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3569 * df-core.c (df_set_blocks): Deleted all variable.
3571 2006-01-28 Ian Lance Taylor <ian@airs.com>
3573 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3574 cgraph_output_pending_asms.
3576 2006-01-28 Zack Weinberg <zackw@panix.com>
3578 * c.opt: Add -W(no-)overlength-strings.
3579 * doc/invoke.texi: Document it.
3580 * c-opts.c (c_common_handle_option): -pedantic implies
3581 -Woverlength-strings, if not explicitly disabled already.
3582 (c_common_post_options): -Woverlength-strings defaults to off, and
3583 is always off for C++.
3584 * c-common.c (fix_string_type): Issue warning about strings longer
3585 than is portable only if warn_overlength_strings. Rearrange code
3586 a little for clarity.
3587 * configure.in: Check for -Wno-overlength-strings as well before
3588 enabling -pedantic in stage 1.
3589 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3590 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3592 * genconditions.c (write_header, write_one_condition)
3593 (write_conditions, write_writer): Consolidate very long strings
3594 that were broken up to fit in C89 portable limit. Don't use
3595 printf when fputs will do.
3597 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3599 * combine.c (simplify_comparison <AND>): Check
3600 TRULY_NOOP_TRUNCATION before start using a subreg.
3602 * config/mips/mips.md (*branch_zero<mode>,
3603 *branch_zero<mode>_inverted, *branch_equality<mode>,
3604 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3605 Remove mode check from comparisons.
3607 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3609 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3611 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3613 * expmed.c (const_mult_add_overflow_p): Remove.
3614 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3616 * recog.c (validate_replace_rtx_subexp): Remove.
3617 * recog.h: Remove the prototype for
3618 validate_replace_rtx_subexp.
3620 * integrate.h: Remove the prototype for
3621 copy_decl_for_inlining.
3622 * rtl.h: Remove the prototype for mark_constant_function.
3623 * tree-vectorizer.h: Remove the prototype for
3624 vect_strip_conversion.
3626 * modulo-sched.c (create_partial_schedule,
3627 free_partial_schedule, reset_partial_schedule): Make them
3630 * hooks.c (hook_bool_rtx_int_false): Remove.
3631 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3633 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3635 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3636 and -mlong-double-128 are incompatible.
3637 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3638 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3639 (TARGET_LIBGCC2_CFLAGS): Define.
3640 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3641 (TARGET_LIBGCC2_CFLAGS): Same.
3642 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3644 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3647 * c-typeck.c (build_binary_op): Perform implicit casts of
3648 operands before shortening them.
3650 * cfgloopmanip.c (split_loop_bb): Remove.
3651 * cfgloop.h: Remove the prototype for split_loop_bb.
3653 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3654 * cfgloop.h: Remove the prototype for
3655 flow_loop_outside_edge_p.
3657 * emit-rtl.c (init_virtual_regs): Make it static.
3658 * function.h: Remove the prototype for init_virtual_regs.
3660 * recog.c (peephole2_optimize): Make it static.
3661 * recog.h: Remove the prototype for peephole2_optimize.
3663 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3665 * df-scan.c (df_record_entry_block_defs): Check if
3666 INCOMING_RETURN_ADDR_RTX is defined.
3668 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3669 Kenneth Zadeck <zadeck@naturalbridge.com>
3671 PR rtl-optimization/24762
3672 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3673 * targhooks.c (hook_void_bitmap): New hook prototype.
3674 * targhoohs.h (hook_void_bitmap): Ditto.
3675 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3676 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3677 * target.h (live_on_entry): New function pointer.
3678 * df-scan.c (df_all_hard_regs): Removed.
3679 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3680 (df_scan_free_internal): Added df->entry_block_defs.
3681 (df_scan_alloc): Ditto.
3682 (df_scan_dump): Ditto.
3683 (df_uses_record): Plumbed flag field properly thru calls.
3684 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3685 This part fixes PR24762.
3686 (df_bb_refs_record): Added code to make the frame and arg
3687 pointers live in EH blocks.
3688 (df_refs_record): Added call to df_record_entry_block_defs.
3689 (df_record_entry_block_defs): New function.
3690 * df-core.c: Added comments to describe new artifical defs.
3691 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3692 (entry_block_defs): New field in struct df.
3693 (df_all_hard_regs): Deleted.
3694 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3695 * df-problems.c (df_ru_bb_local_compute_process_def):
3696 Added code to handle artifical defs in the entry to a function.
3697 (df_ru_bb_local_compute): Ditto.
3698 (df_rd_bb_local_compute_process_def): Ditto.
3699 (df_rd_bb_local_compute): Ditto.
3700 (df_lr_bb_local_compute): Ditto.
3701 (df_ur_bb_local_compute): Ditto.
3702 (df_urec_bb_local_compute): Ditto.
3703 (df_chain_create_bb): Ditto.
3704 (df_ur_local_finalize): Removed entry.
3705 (df_urec_init): Ditto.
3706 (df_urec_local_finalize): Ditto.
3707 (df_ri_bb_compute): Added detection of last use of pseudos.
3708 * Makefile.in (df-scan.o): Updated dependencies.
3709 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3710 * config/mips/mips.c (mips_set_live_on_entry): Added.
3711 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3713 * dce.c (marked_insn_p): Added code to handle artifical defs.
3715 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3717 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3719 (_mm_cvtsi128_si64): Likewise.
3720 (_mm_cvtsd_si64): Likewise.
3721 (_mm_cvttsd_si64): Likewise.
3722 (_mm_cvtsi64_sd): Likewise.
3723 (_mm_cvtsi64_si128): Likewise.
3724 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3725 (_mm_cvtsi64_m64): Likewise.
3726 (_m_to_int64): Likewise.
3727 (_mm_cvtm64_si64): Likewise.
3728 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3729 (_mm_cvttss_si64): Likewise.
3730 (_mm_cvtsi64_ss): Likewise.
3731 (_mm_cvtss_f32): Likewise.
3733 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3735 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3736 for pragma redefine_extname.
3738 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3741 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3742 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3743 -mno-minimal-toc to previous content.
3744 (bispecs): Remove goal.
3745 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3746 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3747 compatibility aliases on powerpc-*-*gnu*.
3748 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3749 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3750 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3751 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3752 (ldblspecs): New goal.
3753 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3754 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3756 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3757 L_sf_to_tf or L_df_to_tf is defined.
3759 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3760 Alan Modra <amodra@bigpond.net.au>
3763 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3764 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3765 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3766 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3767 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3768 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3769 (rs6000_override_options): Initialize rs6000_ieeequad.
3770 Initialize TFmode format to ibm_extended_format if not
3772 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3774 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3775 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3776 (function_arg_advance): IBM long double passed in two FPRs, not
3778 (function_arg): IBM long double passed in FPRs.
3779 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3780 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3781 Only multireg GPR aligned.
3782 (rs6000_init_libfuncs): Enable IBM long double functions if not
3784 (rs6000_generate_compare): Use IBM long double compare if not
3786 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3787 (TARGET_IEEEQUAD): Define.
3788 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3789 not TARGET_IEEEQUAD.
3790 * config/rs6000/rs6000.md: Enable TFmode patterns if
3792 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3793 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3794 and -mlong-double-128 are incompatible.
3795 * doc/invoke.texi (-mabi): Collect options together. Add
3796 ibmlongdouble and ieeelongdouble.
3798 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3800 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3802 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3803 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3804 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3805 * rtl.h (rtunion_def): Remove rt_ptr.
3807 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3808 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3809 * config/i386/winnt.c (i386_pe_mark_dllexport)
3810 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3812 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3814 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3816 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3820 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3821 pthread_key_delete. From John David Anglin. gthrw-ify
3822 pthread_getunique_np only if it it's not a macro. Delete
3824 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3825 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3826 __gthread_objc_condition_signal, __gthread_key_delete): Add
3827 "__attribute__ ((__unused__))" to unused arguments.
3828 (__gthread_recursive_mutex_init_function): Add missing return.
3829 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3830 gthr-posix95.h: Use macro-based approach for name redirection
3831 on targets missing weakref.
3833 2006-01-26 Zack Weinberg <zackw@panix.com>
3835 * genconditions.c (write_header): In generated code, #ifdef out
3836 all includes and fake declarations, except includes of bconfig.h
3837 and system.h, unless GCC_VERSION >= 3001. Do not include
3838 gensupport.h in any case.
3839 (write_conditions): Generate a definition of struct c_test. Add
3840 a comment to the generated #endif.
3841 (write_one_condition): Escape backslashes in string too.
3842 (write_writer): Generated code must escape backslashes and quote
3843 marks (but not newlines) in the strings it writes.
3844 * Makefile.in (build/gencondmd.o): Update dependencies.
3846 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3849 * Makefile.in (insn-automata.o): Add header file dependencies.
3850 * genautomata.c: Add includes.
3852 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3855 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3857 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3859 * configure.ac: Expect target tools paths to be passed from the toplevel
3860 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3862 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3864 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3867 * c.opt (Wpointer-sign): Init to -1.
3868 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3869 OPT_pedantic, to 0 otherwise.
3870 * doc/invoke.texi: Update.
3872 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3874 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3875 constants provided by 80387 instructions in the destination mode.
3877 2006-01-26 Richard Guenther <rguenther@suse.de>
3878 Andrew Pinski <pinskia@physics.uc.edu>
3881 partial PR tree-opt/17064
3882 * tree-ssa-structalias.c (intra_create_variable_infos):
3883 Create heap variables for incoming parameters if
3884 flag_argument_noalias > 1.
3885 (find_what_p_points_to): Look through default defs of
3888 2006-01-26 Jeff Law <law@redhat.com>
3891 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3892 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3893 within the VR_RANGE, use the VR_RANGE as the result, not the
3895 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3896 bounds for the type.
3898 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3900 * tree-ssa-alias.c (maybe_create_global_var): Change
3901 subvar walking to an assertion that we don't have subvar'd variables.
3903 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3906 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3907 Use a new variable, inner. PARM_DECLs are always non-weak.
3909 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3911 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3914 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3916 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3918 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3920 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3921 (smax_insn, smin_insn, smax_0, smin_0): New.
3923 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3926 * config/cris/cris.c (cris_order_for_addsi3): New function.
3927 * config/cris/cris-protos.h: Prototype it.
3928 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3929 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3930 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3931 (split for "op.S1 [rx=rx+i],ry (swapped)")
3932 (split for "op(s|u).S1 [rx=rx+i],ry")
3933 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3934 Apply cris_order_for_addsi3 when generating addsi3 insns.
3936 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3938 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3939 (TREE_BLOCK): Add call to EXPR_CHECK.
3941 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3944 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3945 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3946 (dump_omp_clauses): ... here.
3947 (dump_generic_node): Handle OMP_CLAUSE.
3948 * tree.c (omp_clause_num_ops): New.
3949 (omp_clause_code_name): New.
3950 (tree_code_size): Handle OMP_CLAUSE.
3951 (tree_size): Likewise.
3952 (make_node): Document handling of OMP_CLAUSE.
3953 (tree_node_structure): Handle OMP_CLAUSE.
3954 (omp_clause_check_failed): New.
3955 (omp_clause_range_check_failed): New.
3956 (omp_clause_operand_check_failed): New.
3957 (build_omp_clause): New.
3958 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3959 * tree.h (enum omp_clause_code): Declare.
3960 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3961 (OMP_CLAUSE_RANGE_CHECK): Define.
3962 (OMP_CLAUSE_ELT_CHECK): Define.
3963 (omp_clause_check_failed): Declare.
3964 (omp_clause_operand_check_failed): Declare.
3965 (omp_clause_range_check_failed): Declare.
3966 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3967 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3968 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3969 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3970 (OMP_CLAUSE_IF_EXPR): Likewise.
3971 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3972 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3973 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3974 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3975 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3976 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3977 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3978 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3979 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3980 (OMP_CLAUSE_CODE): Define.
3981 (OMP_CLAUSE_SET_CODE): Define.
3982 (OMP_CLAUSE_CODE): Define.
3983 (OMP_CLAUSE_OPERAND): Define.
3984 (struct tree_omp_clause): Declare.
3985 (union tree_node): Add field 'omp_clause'.
3986 * treestruct.def (TS_OMP_CLAUSE): Define.
3987 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3988 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3989 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3990 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3991 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3992 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3993 (OMP_CLAUSE): Define.
3994 * print-tree.c (print_node): Handle OMP_CLAUSE.
3995 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3996 * c-typeck.c: Likewise.
3997 * gimplify.c: Likewise.
3998 * c-omp.c: Likewise.
3999 * tree-nested.c: Likewise.
4000 * tree-inline.c: Likewise.
4001 * c-parser.c: Likewise.
4002 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4005 2006-01-25 Roger Sayle <roger@eyesopen.com>
4007 PR rtl-optimization/25703
4008 * combine.c (try_combine): Handle zero_extract and strict_low_part
4009 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4011 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4013 * global.c: Fix comment typos.
4015 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4018 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4019 Use output_addr_const instead of assemble_name.
4021 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4023 * Makefile.in (sched-vis.o): Update dependencies.
4024 * haifa-sched.c (sched_finish): Clear current_sched_info.
4025 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4026 (dump_flow_info): Call it.
4027 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4029 * basic-block.h (dump_bb_info): Declare.
4030 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4031 option, and apply options only for dump files whose TDF_RTL,
4032 TDF_TREE, or TDF_IPA bits match.
4033 * rtl.h: Declare new functions exported from sched-vis.c.
4034 * sched-vis.c: Enable also if scheduling is not used.
4035 (print_value): Print the mode of registers if not inside scheduling.
4036 (print_insn): Make it work outside the scheduler. Beautify the output
4038 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4040 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4042 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4043 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4044 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4045 depending on the value of CONSTANT_POOL_ADDRESS_P.
4046 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4048 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4049 rather than SYMBOL_REF_DECL.
4050 (rtx_constant_pool): Remove const_rtx_sym_htab.
4051 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4052 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4053 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4054 Remove handling of const_rtx_sym_htab.
4055 (find_pool_constant): Delete.
4056 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4057 rather than find_pool_constant.
4058 (get_pool_constant_for_function): Delete.
4059 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4061 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4062 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4063 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4064 (SYMBOL_REF_CONSTANT): New macro.
4065 (get_pool_constant_for_function): Delete.
4066 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4067 rather than SYMBOL_REF_DECL.
4068 (i386_pe_mark_dllimport): Likewise.
4069 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4070 rather than SYMBOL_REF_DECL.
4071 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4072 (machopic_indirect_call_target): Likewise.
4074 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4076 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4078 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4080 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4082 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4084 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4086 2006-01-24 David Daney <ddaney@avtrex.com>
4089 * configure.ac (enable_tls): New enable option.
4090 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4091 * configure: Regenerate.
4092 * doc/install.texi (--enable-tls): Document new option.
4093 (--disable-tls): Ditto.
4095 2006-01-24 Richard Henderson <rth@redehat.com>
4097 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4098 * alias.c (true_dependence): Respect it.
4099 (canon_true_dependence, write_dependence_p): Likewise.
4100 * builtins.c (get_builtin_sync_mem): Set it.
4102 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4104 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4107 2006-01-24 DJ Delorie <dj@redhat.com>
4109 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4110 for storing constants in single-bit bitfields.
4112 2006-01-25 Ben Elliston <bje@au.ibm.com>
4114 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4116 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4119 * tree-ssa-pre.c (phi_translate): Return NULL
4120 for AGGREGATE_TYPE's.
4122 2006-01-24 Zack Weinberg <zackw@panix.com>
4124 * genautomata.c (process_state_for_insn_equiv_partition):
4125 Use xcalloc for insn_arcs_array.
4126 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4127 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4129 2006-01-24 Richard Henderson <rth@redhat.com>
4131 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4134 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4136 PR rtl-optimization/25890
4137 PR rtl-optimization/25905
4138 * combine.c (expand_compound_operation, expand_field_assignment):
4139 Fail if the bitfield's final position is out of bounds.
4141 2006-01-24 Ian Lance Taylor <ian@airs.com>
4144 * cgraphunit.c (cgraph_output_in_order): Don't clear
4145 cgraph_asm_nodes until after asm strings have been output.
4147 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4149 * fix-header.c (read_scan_file): Add new parameter imultilib when
4150 calling register_include_chains.
4152 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4154 * omp-low.c: Update documentation.
4156 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4157 Daniel Berlin <dberlin@dberlin.org>
4161 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4162 return from the function.
4164 2006-01-22 Zack Weinberg <zackw@panix.com>
4166 * rtl.def (match_code): Add second argument.
4167 * genpreds.c (write_extract_subexp): New function.
4168 (write_match_code): Add path argument. Use write_extract_subexp.
4169 (write_predicate_expr): Pass path to write_match_code.
4170 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4171 not perform a mode test.
4172 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4173 a subexpression does not constrain the top-level code set.
4174 * read-rtl.c (read_rtx_variadic): New function.
4175 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4176 * doc/md.texi: Document new notation.
4177 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4178 (cmpsi_operand): ... here, using new notation.
4180 2006-01-22 Zack Weinberg <zackw@panix.com>
4182 * varray.c: Remove GENERATOR_FILE #ifdefs.
4184 2006-01-22 Zack Weinberg <zackw@panix.com>
4186 * genautomata.c (output_reserved_units_table): Emit nothing if
4187 description->query_units_num is zero. Remove extra blank line.
4188 (output_cpu_unit_reservation_p): Short circuit
4189 if description->query_units_num is zero.
4191 2006-01-22 Zack Weinberg <zackw@panix.com>
4193 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4194 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4195 nor any of the random handful of variables that used to be necessary
4196 when this program was linked with rtlanal.o. Prune set of forward
4197 function declarations.
4198 (struct attr_desc): Remove static_p field.
4199 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4200 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4201 (attr_string): Do not read the character one past the length of
4203 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4204 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4205 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4206 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4207 (make_automaton_attrs): New.
4208 (main): Do not call into genautomata. Call local gen_bypass
4209 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4210 Remove special case for insn_alts.
4211 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4212 varray.h (leftover from previous change). Prune set of forward
4213 function declarations. Remove state_alts fields from all
4214 structures. Remove state_alts_table from struct automaton.
4215 Make everything except main static. Do not maintain num_dfa_decls.
4216 Do not maintain state_alts fields of various structures.
4217 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4218 (add_arc): Remove state_alts argument. All callers updated.
4219 (output_reserved_units_table): Emit #ifdef here...
4220 (output_tables): ...not here. Don't generate state_alts tables.
4221 (expand_automata): Don't generate attributes.
4222 (write_automata): Don't generate state_alts functions.
4223 (main): New function.
4224 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4225 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4226 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4227 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4228 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4229 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4230 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4231 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4233 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4234 * genattrtab.h: Delete file.
4235 * Makefile.in (OBJS-common): Add insn-automata.o.
4236 (insn-automata.o): New rule.
4237 (simple_generated_c): Add insn-automata.c.
4238 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4239 (genprogmd): Add automata.
4240 (build/genattrtab): Needs no extra objects nor libraries.
4241 (build/genautomata): Needs build/vec.o and -lm.
4243 2006-01-22 Zack Weinberg <zackw@panix.com>
4245 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4246 (output_dfa_max_issue_rate, locked_states_num): Delete.
4247 (struct automaton): Add locked_states field.
4248 (output_dead_lock_vect): Save number of locked states in
4249 automaton->locked_states. If it is zero, don't print anything.
4250 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4251 (output_internal_dead_lock_func): Only test the dead_lock_vect
4252 for automata that have locked states.
4253 (output_statistics): Always print the number of locked states for
4254 each automaton. Calculate total number of locked states here.
4255 (write_automata): Don't call output_dfa_max_issue_rate.
4256 * genattrtab.c: Define length_unit_log as a const variable.
4257 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4258 max_insn_queue_index const.
4259 * final.c (length_unit_log): Declare const.
4260 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4262 2006-01-22 Zack Weinberg <zackw@panix.com>
4264 * genautomata.c: Include vec.h, not varray.h.
4265 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4266 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4267 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4268 VEC_* macros operating on appropriately typed vectors, or to
4269 malloced arrays when the size is known in advance. Const-ify
4270 many char* variables and function arguments. No functional changes.
4271 * Makefile.in (build/varray.o): Delete rule.
4272 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4273 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4275 2006-01-22 Zack Weinberg <zackw@panix.com>
4277 * gensupport.c: Define get_insn_name and record_insn_name here.
4278 (read_md_rtx): Call record_insn_name as appropriate.
4279 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4280 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4281 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4283 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4284 (BUILD_VARRAY): Delete.
4285 (genprognormal): Rename genprogmd. Fold in all programs from
4286 genprognoprint; also attrtab.
4287 (build/genattrtab): Just mention genautomata.o and varray.o.
4288 Reorganize a bit, add comments to make the categories clearer.
4290 2006-01-22 Zack Weinberg <zackw@panix.com>
4292 * genconditions.c (condition_table, add_condition): Delete.
4293 (write_conditions): Don't emit n_insn_conditions nor
4294 insn_elision_unavailable. Issue the gcc version #ifdef here,
4295 inside the table, with no #else clause ...
4296 (write_header): ...not here.
4297 (write_writer): New function.
4298 (main): Don't initialize condition_table. Use add_c_test.
4300 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4301 files on the command line.
4302 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4303 Return -1 if there is no entry in the table, don't abort.
4304 (add_c_test, traverse_c_tests): New functions.
4305 * gensupport.h (insn_elision_unavailable, insn_conditions)
4306 (n_insn_conditions): Delete declarations.
4307 (add_c_test, traverse_c_tests): Declare.
4308 * read-rtl.c: Include gensupport.h.
4309 (read_conditions): New function.
4310 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4311 (read_rtx_1): If we get EOF when we were looking for an initial
4312 open paren, return 0. Call read_conditions when appropriate.
4313 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4314 dummy-conditions.o. Eliminate references to insn-conditions.o,
4315 or change them to build/gencondmd.o, as appropriate. Remove
4316 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4317 from $(simple_generated_c). For all files remaining in those
4318 two lists, add insn-conditions.md to the generator command line.
4319 Give insn-constants.h/s-constants their own rules. Add rules
4320 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4321 (build/read-rtl.o): Depend on gensupport.h.
4322 (genprognormal): Include preds.
4323 (genprogearly): Rename genprognoprint; only difference is now that
4324 they don't link with $(BUILD_PRINT).
4325 * dummy-conditions.c: Delete.
4327 2006-01-22 Zack Weinberg <zackw@panix.com>
4329 * genextract.c: Don't include insn-config.h. Do include vec.h.
4330 Declare vectors of int, char, and locstr.
4331 (locstr): New typedef.
4332 (struct extraction): Make all array fields into bare pointers.
4333 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4334 (insn_code_number): Delete.
4335 (accum_extract): New struct.
4336 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4337 (gen_insn): Take insn_code_number as an argument. Use an
4338 accum_extract structure instead of loading data directly into
4339 a struct extraction, and having to know how big it might get.
4340 (walk_rtx): Operate entirely on an accum_extract structure.
4341 (print_path): Avoid unnecessary use of printf.
4342 (print_header): New function, split out of main. Distinguish
4343 more carefully between an unrecognizable insn and an insn that
4344 has the code number of a define_expand.
4345 (main): Pass insn_code_number to gen_insn. Call print_header
4346 only after parsing. Avoid unnecessary use of printf.
4347 * Makefile.in (build/vec.o): New rule.
4348 (build/genextract): Depend on build/vec.o.
4349 (build/genextract.o): Don't depend on insn-config.h.
4351 2006-01-22 Zack Weinberg <zackw@panix.com>
4353 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4354 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4355 practical. Eliminate per-generator-program link rules.
4357 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4360 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4361 with a call expr to ...
4362 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4364 2006-01-23 Richard Guenther <rguenther@suse.de>
4366 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4367 before make_edge with conditional EDGE_TRUE_VALUE.
4369 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4370 Jan Hubicka <jh@suse.cz>
4371 Richard Guenther <rguenther@suse.de>
4373 PR rtl-optimization/25654
4374 * cfgexpand.c (aggregate_contains_union_type): New function.
4375 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4376 for structure variables that contain a union type.
4378 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4380 * gengtype.c (new_structure): Return the structure.
4381 (create_option): Add an extra "next" argument.
4382 (create_field): New function.
4383 (adjust_field_rtx_def): Use create_option and create_field.
4384 Remove a now-unnecessary call to find_structure.
4385 (adjust_field_tree_def): Likewise.
4386 (note_yacc_type): Remove an unnecessary call to find_structure.
4387 * gengtype.h (new_structure): Return the structure.
4388 (create_option): Add an extra argument.
4389 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4390 (option): Adjust calls to create_option.
4392 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4394 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4396 2006-01-22 Paul Brook <paul@codesourcery.com>
4397 Peter Barada <peter@the-baradas.com>
4399 * config/m68k/m68k.md: Add Coldfire FPU support.
4400 Define FP mode macro and associated attributes.
4401 Use it for float mode patterns.
4402 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4403 (LIBCALL_VALUE): Use m68k_libcall_value.
4404 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4405 (m68k_function_value): Ditto.
4406 (emit_move_sequence): Ditto.
4407 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4408 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4409 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4410 (MULTILIB_EXCEPTIONS): Ditto.
4411 * config/m68k/m68k.opt: Add mcfv4e.
4412 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4413 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4414 (m68k_output_function_prologue): Save ColdFire FPU registers.
4415 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4416 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4417 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4418 ColdFire FPU registers.
4419 (m68k_libcall_value, m68k_function_value): New functions.
4420 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4421 (LIBCALL_VALUE): Use m68k_libcall_value.
4422 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4423 (MASK_COLDFIRE): Add MASK_CFV4E.
4424 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4425 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4426 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4427 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4428 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4429 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4430 * doc/invoke.tex: Document -mcfv4e on m68k.
4432 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4434 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4437 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4440 * c-opts.c (c_common_handle_option): Don't include
4441 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4442 * doc/invoke.texi (C++ Dialect Options): Document that
4443 -Wnon-virtual-dtor is no longer included in -Wall.
4445 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4447 * gcov.c (print_version), gcov-dump.c (print_version),
4448 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4451 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4453 * df-scan.c (problem_SCAN): Added NULL reset function.
4454 (df_scan_reset_blocks): Added code to call reset block function
4455 (df_bb_refs_delete) Fixed comment.
4456 (df_insn_refs_delete): Made tolerant of deleting non existent info
4457 for dataflow problems that need to be reset.
4458 * df-core.c (df_set_blocks): Ditto.
4459 * df.h (struct df_problem): Added reset_fun.
4460 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4461 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4462 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4463 functions to clear out all references to def-use or use-def chains.
4465 2006-01-21 Ben Elliston <bje@au.ibm.com>
4467 * varasm.c (assemble_real): Initialise data array.
4469 2006-01-20 Paul Brook <paul@codesourcery.com>
4471 Merge from csl-arm-branch.
4472 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4473 * config/arm/arm.md (movdi): Force operands[1] to a register
4474 if we have a non-register source.
4475 (*arm_movdi, *movdf_soft_insn): Require that one of the
4476 operands be a register.
4477 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4478 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4480 2006-01-20 DJ Delorie <dj@redhat.com>
4482 * varasm.c (initialize_constant_valid_p): Allow pointers
4483 initialized from integer constants of lesser precision.
4484 (output_constant): Allow non-int-sized pointer modes to be
4485 initialized from integer constants.
4487 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4490 * cppdefault.h (struct default_include): Add multilib flag.
4491 * cppdefault.c (cpp_include_defaults): Set it.
4492 * c.opt (-imultilib): New option.
4493 * c-opts.c (imultilib): New.
4494 (c_common_handle_option): Handle -imultilib.
4495 (c_common_post_options): Likewise.
4496 * c-incpath.c (add_standard_paths, register_include_chains):
4498 * c-incpath.h (register_include_chains): Add extra parameter.
4499 * gcc.c (do_spec_1): Generate -imultilib option.
4500 (The Specs Language): Update %I description.
4501 (process_command): Update copyright notice.
4502 * doc/cppopts.texi (-imultilib): Document.
4503 * doc/invoke.texi (-imultilib): Include in option summary.
4504 (%I): Update specs documentation.
4506 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4508 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4510 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4512 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4515 2006-01-20 Richard Guenther <rguenther@suse.de>
4516 Steven Bosscher <stevenb.gcc@gmail.com>
4518 PR rtl-optimization/24626
4519 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4520 EDGE_TRUE_VALUE if in RTL mode.
4523 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4524 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4526 2006-01-20 Dirk Mueller <dmueller@suse.com>
4529 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4530 instead of a special NOP marker.
4531 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4532 NOP marker handling.
4533 * c-common.h (empty_body_warning): Add forward declaration.
4534 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4535 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4537 2006-01-20 Paul Brook <paul@codesourcery.com>
4539 * Makefile.in (lang_checks): Keep going if mkdir fails.
4541 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4543 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4544 be able to clean out basic block when not necessary.
4545 (df_scan_free): Fixed to properly delete information if df is
4546 unused before calling df_finish.
4547 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4548 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4550 (df_bb_refs_delete): New function.
4551 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4552 * df-core.c (df_set_blocks): Added code to properly clean out
4553 unused blocks if they are not part of the blocks to consider.
4554 Added additional null check.
4555 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4556 be able to clean out basic block when not necessary
4557 * df.h (df_free_bb_function): Ditto.
4558 (df_bb_refs_delete): New function.
4559 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4560 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4561 basic block parameter to be able to clean out basic block when not
4563 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4564 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4565 Fixed to properly delete information if df is unused before
4568 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4570 PR rtl-optimization/25799
4571 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4572 Corrected confluence operator to remove bits from op2 before oring
4573 with op1 rather than removing bits from op1.
4574 (df_ru_transfer_function): Corrected test on wrong bitmap which
4575 caused infinite loop. Both of these problems were introduced in
4576 the dataflow rewrite.
4578 2006-01-19 DJ Delorie <dj@redhat.com>
4580 * reload1.c (find_reload_regs): Note the details of reload
4581 failures in the dump file.
4582 (spill_failure): Likewise.
4584 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4586 * loop-iv.c: Include df.h and hashtab.h.
4587 (enum iv_grd_result): New enum.
4588 (DF_REF_IV, DF_REF_IV_SET): New macros.
4589 (struct biv_entry): New.
4590 (df, bivs): New global variables.
4591 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4592 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4594 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4595 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4596 analyzed_for_bivness_p, record_biv): New functions.
4597 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4598 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4599 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4601 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4603 (iv_number_of_iterations): Use new interface to iv analysis.
4604 * loop-unroll.c: Do not include varray.h.
4605 (analyze_iv_to_split_insn): Use new interface to iv
4607 * loop-unswitch.c (may_unswitch_on): Ditto.
4608 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4610 (df_bb_modify): Realloc tables to the new index.
4611 (df_find_use): New function.
4612 * df.h (df_find_use): Declare.
4613 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4615 * cfgloop.h (struct rtx_iv): Remove analysed field.
4616 (iv_get_reaching_def): Removed.
4617 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4618 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4619 (loop-iv.o): Add df.h and hashtab.h dependency.
4620 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4622 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4625 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4627 (__floatundisf, __floatundidf): Likewise.
4628 * libgcc2.h (IS_IBM_EXTENDED): Define.
4630 2006-01-19 DJ Delorie <dj@redhat.com>
4632 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4634 2006-01-19 Paul Brook <paul@codesourcery.com>
4636 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4637 as nothrow when unwinding tables are disabled.
4639 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4642 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4643 of bit-field" when in system header.
4645 2006-01-19 DJ Delorie <dj@redhat.com>
4647 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4648 the 16 bit shift limit of the m16c.
4650 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4653 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4654 * config/i386/i386.c (output_set_got): Output the label if we have one
4655 for the TARGET_DEEP_BRANCH_PREDICTION case.
4657 2006-01-19 Jan Hubicka <jh@suse.cz>
4658 H.J. Lu <hongjiu.lu@intel.com>
4659 Evandro Menezes <evandro.menezes@amd.com>
4661 * invoke.texi (generic): Document
4663 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4664 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4665 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4666 (x86_use_incdec, x86_pad_returns): New variables
4667 (TARGET_CPU_DEFAULT_generic): New constant
4668 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4669 (enum processor_type): Add generic32 and generic64.
4670 * i386.md (cpu attribute): Add generic32/generic64
4671 (movhi splitter): Behave sanely when both partial_reg_dependency and
4672 partial_reg_stall are set.
4673 (K8 splitters): Enable for generic as well.
4674 * predicates.md (incdec_operand): Use TARGET_INCDEC
4675 (aligned_operand): Avoid memory mismatch stalls.
4676 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4677 * ppro.md: Enable for generic32
4678 * i386.c (generic64_cost, generic32_cost): New.
4679 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4680 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4681 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4682 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4683 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4684 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4685 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4686 x86_accumulate_outgoing_args, x86_prologue_using_move,
4687 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4688 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4690 (x86_use_incdec, x86_pad_returns): New.
4691 (override_options): Add generic32 and generic64, translate "generic"
4692 to generic32/generic64 and "i686" to "generic32", refuse
4693 "generic32"/"generic64" as arch target.
4694 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4695 (ix86_reorg): Honor PAD_RETURNS.
4697 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4699 * tree-pretty-print.c (dump_generic_node): Handle
4700 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4701 * cgraph.c (cgraph_expand_queue): Rename from
4702 cgraph_analyze_queue. Update all users.
4703 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4704 cgraph_expand_queue.
4705 (cgraph_expand_all_functions): Likewise.
4706 (cgraph_finalize_pending_functions): Remove. Update callers.
4708 * tree.h (OMP_DIRECTIVE_P): Define.
4709 (OMP_PARALLEL_FN): Define.
4710 (OMP_PARALLEL_DATA_ARG): Define.
4711 (OMP_SECTIONS_SECTIONS): Define.
4712 * tree-pass.h (pass_expand_omp): Declare.
4713 * omp-low.c (struct omp_region): Declare.
4714 (struct omp_context): Remove fields 'parallel_type',
4715 'parallel_start_ix' and 'parallel_start_additional_args'.
4717 (struct omp_for_data): Rename from struct expand_omp_for_data.
4718 (omp_regions): New static variable.
4719 (root_omp_region): New static variable.
4720 (find_omp_clause): Make static.
4721 (is_in_combined_parallel_ctx): Remove.
4722 (is_combined_parallel): New.
4723 (extract_omp_for_data): Move earlier in the file.
4724 (workshare_safe_to_combine_p): New.
4725 (get_ws_args_for): New.
4726 (determine_parallel_type): Move earlier in the file.
4727 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4729 (omp_copy_decl): Likewise.
4730 (create_omp_child_function): Likewise.
4731 (lookup_omp_region): New.
4732 (dump_omp_region): New.
4733 (debug_omp_region): New.
4734 (debug_all_omp_regions): New.
4735 (new_omp_region): New.
4736 (scan_omp_parallel): If parallel_nesting_level > 1, the
4737 directive is nested within another parallel directive.
4738 Set OMP_PARALLEL_FN.
4739 (scan_omp_for): Do not try to handle combined parallel+for
4741 Remove FIXME comment.
4742 (scan_omp_nested): Remove.
4743 (scan_omp_1): Do not call scan_omp_nested when
4744 parallel_nesting_level is > 1.
4745 Do not change the DECL_CONTEXT of local variables found.
4746 (lookup_decl_in_outer_ctx): New.
4747 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4748 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4749 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4750 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4751 If CTX is nested, lookup VAR in the outer context when
4752 building copy assignment.
4753 (lower_send_clauses): Rename from expand_send_clauses.
4754 If CTX is nested, lookup VAR in the outer context when
4755 building copy assignments.
4756 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4757 If CTX is nested, lookup VAR in the outer context when
4758 building copy assignments.
4759 (expand_parallel_call): Rename from build_parallel_call.
4760 Handle combined parallel+workshare cases.
4761 Re-implement to emit code into the CFG.
4763 (expand_omp_parallel): Re-implement to emit code into the CFG.
4764 Call move_sese_region_to_fn to outline the sub-graph
4765 containing the parallel region.
4766 (expand_omp_for_1): Remove.
4767 (expand_omp_for_generic): Re-implement to emit code into the
4769 (expand_omp_for_static_nochunk): Likewise.
4770 (expand_omp_for_static_chunk): Likewise.
4771 (expand_omp_for): Likewise.
4772 (expand_omp_sections): Likewise.
4773 (remove_exit_barriers): New.
4774 (expand_omp_synch): New.
4776 (build_omp_regions_1): New.
4777 (build_omp_regions): New.
4778 (execute_expand_omp): New.
4779 (gate_expand_omp): New.
4780 (pass_expand_omp): Define.
4781 (lower_omp_sections): Rename from expand_omp_sections.
4782 Set OMP_SECTIONS_SECTIONS.
4783 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4784 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4785 (lower_omp_single): Rename from expand_omp_simple.
4786 (lower_omp_master): Rename from expand_omp_master.
4787 (lower_omp_ordered): Rename from expand_omp_ordered.
4788 (lower_omp_critical): Rename from expand_omp_critical.
4789 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4790 (lower_omp_for): Re-implement.
4791 (lower_omp_parallel): Re-implement.
4792 (lower_regimplify): Rename from expand_regimplify.
4793 (lower_omp_1): Rename from expand_omp_1.
4794 If there are syntax errors in the program, replace every
4795 OpenMP directive with NOP.
4796 Call lower_omp_* instead of expand_omp_*.
4797 (lower_omp): Rename from expand_omp.
4799 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4800 * tree-gimple.h (enum omp_parallel_type): Remove.
4801 (gimple_boolify): Declare extern.
4802 (find_omp_clause, determine_parallel_type): Remove.
4804 * gimple-low.c (lower_omp_directive): New.
4805 (lower_stmt): Call it.
4806 (record_vars_into): Move from ...
4807 (record_vars): ... here.
4808 Call record_vars_into with current_function_decl.
4810 * gimplify.c (struct gimplify_ctx): Remove fields
4811 combined_pre_p and combined_ctxp. Update users.
4812 (get_formal_tmp_var): Add documentation.
4813 (gimple_boolify): Make extern.
4814 (gimplify_expr_in_ctx): Remove. Update callers.
4815 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4816 will always be a BIND_EXPR.
4817 (gimplify_expr): Handle OMP_RETURN_EXPR.
4818 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4819 (OMP_PARALLEL): Add 3 operands.
4820 (OMP_SECTIONS): Add 1 operand.
4821 (OMP_RETURN_EXPR): Define.
4823 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4824 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4825 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4826 creating a circular free list.
4827 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4829 * tree-flow.h (move_sese_region_to_fn): Declare.
4830 (record_vars_into): Declare.
4831 * tree-cfg.c (make_omp_sections_edges): New.
4832 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4833 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4834 OMP_SECTIONS and OMP_SECTION.
4835 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4836 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4837 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4838 (gather_blocks_in_sese_region): New.
4839 (struct move_stmt_d): Declare.
4841 (move_block_to_fn): New.
4842 (move_sese_region_to_fn): New.
4844 * passes.c (init_optimization_passes): Schedule
4845 pass_expand_omp after pass_init_datastructures.
4847 * tree-ssa-operands.c (get_expr_operands): Handle
4848 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4849 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4851 2006-01-19 Jeff Law <law@redhat.com>
4853 * tree-vrp.c (extract_range_from_assert): Refine the result range
4854 if the variable referenced by the ASSERT_EXPR has a range and
4855 either the tentative result range or the previous range is a
4858 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4860 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4862 2006-01-19 Jan Hubicka <jh@suse.cz>
4864 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4866 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4868 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4869 (expand_compound_operation, expand_field_assignment): Fail if the
4870 bit lengths of an extract operation are out of range.
4871 (make_extraction): Compute wanted_inner_mode based on the position
4872 and length of the extraction. Make it extraction_mode for non-constant
4873 positions, and do not modify offset in that case. When generating a
4874 new MEM, use a mode that can hold the extraction while keeping correct
4875 alignment. Remove code that supported MEMs wrapped by USEs.
4876 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4878 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4880 * config/s390/s390.md ("Y", "y"): New mode attribute.
4881 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4882 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4883 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4884 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4885 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4886 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4887 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4888 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4889 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4890 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4891 "addsi3", "subsi3"): Insn patterns removed.
4892 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4893 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4894 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4895 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4896 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4897 "*sub<mode>3_cconly2"): New insn patterns.
4898 ("addsi3", "subsi3"): New expanders.
4900 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4902 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4903 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4904 existing STMT_VINFO_VECTYPE if available.
4905 (vect_mark_relevant): Add special handling for stmts that are
4906 marked as STMT_VINFO_IN_PATTERN_P.
4907 (vect_analyze_loop): Call vect_pattern_recog.
4908 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4909 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4911 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4912 (vect_recog_func_ptr): New function-pointer type.
4913 * tree-vect-patterns.c: New file.
4914 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4915 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4916 (vect_pattern_recog_1): New functions.
4917 (vect_pattern_recog_funcs): New array of function pointers.
4919 * tree-vectorizer.h (ternary_op): New enum value.
4920 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4921 declaration. Revised documentation. Removed redundant dump prints.
4922 Removed redundant argument. Added support for reduction patterns.
4923 (vectorizable_reduction): Added support for reduction patterns.
4924 (vect_transform_stmt): Added support for patterns.
4926 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4927 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4928 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4929 (expand_widen_pattern_expr): New function.
4930 (init_optabs): Initialize new optabs udot_prod_optab,
4932 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4933 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4934 (expand_widen_pattern_expr): New function declaration.
4935 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4937 * tree-inline.c (estimate_num_insns_1): Added cases for new
4938 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4939 * tree-pretty-print.c (dump_generic_node): Likewise.
4940 (op_prio): Likewise.
4941 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4942 * tree-ssa-operands.c (get_expr_operands): Added case for
4944 * tree-vect-patterns.c (widened_name_p): New function.
4945 (vect_recog_dot_prod_pattern): Added function implementation.
4946 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4947 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4948 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4949 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4951 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4952 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4953 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4954 (init_optabs): Initialize new optabs widen_ssum_optab,
4956 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4957 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4958 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4959 use instead of type of def.
4960 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4961 function implementation.
4962 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4963 widen_ssumv8hi): New.
4965 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4968 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4971 * c-decl.c (add_flexible_array_elts_to_size): New function.
4972 (finish_decl): Use it.
4974 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4976 * diagnostic.h: Include options.h.
4977 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4978 dependancies for diagnostic.h.
4979 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4981 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4983 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4984 (ssa_ro_call_cache_valid): Ditto.
4985 * tree-ssa-alias.c (sort_tags_by_id): New function.
4986 (init_transitive_clobber_worklist): Ditto.
4987 (add_to_worklist): Ditto.
4988 (mark_aliases_call_clobbered): Ditto.
4989 (compute_tag_properties): Ditto.
4990 (set_initial_properties): Ditto.
4991 (compute_call_clobbered): Ditto.
4992 (compute_may_aliases): Call compute_call_clobbered and grouping.
4993 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4994 (compute_flow_insensitive_aliasing): Grouping now happens in our
4996 (setup_pointers_and_addressables): Remove clobbering related code.
4997 (add_may_alias): Ditto.
4998 (replace_may_alias): Ditto.
4999 (get_nmt_for): Ditto.
5000 (create_global_var):
5001 (is_escape_site): Return an escape_type enumeration.
5002 * tree-flow-inline.h (is_call_clobbered): Global var does not
5003 imply call clobbered.
5004 (mark_call_clobbered): Take a reason for marking this. Remove
5005 marking of globalness, and cache invalidation.
5006 (clear_call_clobbered): Remove cache invalidation code.
5007 * tree-dfa.c (dump_variable): If details is on, dump the reason
5009 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5011 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5012 (struct var_ann_d): Ditto.
5013 (enum escape_type): New.
5014 (mark_call_clobbered): Adjust prototype.
5015 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5016 are never call clobbered.
5017 Record reasons for escaping.
5018 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5019 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5020 (ssa_ro_call_cache_valid): Ditto.
5021 (clobbered_v_may_defs): Ditto.
5022 (clobbered_vuses): Ditto.
5023 (ro_call_vuses): Ditto.
5024 (clobber_stats): New.
5025 (init_ssa_operands): Zero out clobber stats.
5026 (fini_ssa_operands): Print out clobber stats.
5027 (get_call_expr_operands): Pass callee fndecl to
5029 (add_call_clobber_ops): Remove use of cache.
5030 Add use of PURE_CONST information.
5031 (add_call_read_ops): Remove use of cache.
5032 Add use of static not_read information.
5034 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5036 Introduce TLS descriptors for i386 and x86_64.
5037 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5038 (TARGET_ANY_GNU_TLS): New macro.
5039 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5040 (struct machine_function): Add tls_descriptor_call_expanded_p.
5041 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5042 (ix86_current_function_calls_tls_descriptor): Likewise.
5043 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5044 (override_options): Introduce gnu2 tls dialect.
5045 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5047 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5049 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5050 (ix86_init_machine_status): Initialize new field.
5051 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5052 (ix86_tls_module_base): New.
5053 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5054 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5055 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5056 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5057 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5058 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5059 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5060 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5061 * config/i386/predicates.md (tls_modbase_operand): New.
5062 (tp_or_register_operand): New.
5064 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5066 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5067 (look_for_address_of): Ditto.
5068 (ipa_init): Walk the function decls.
5069 (static_execute): Don't set readonly on FUNCTION_DECL's.
5071 2006-01-18 Roger Sayle <roger@eyesopen.com>
5073 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5074 for shifts where the source and destination registers are different.
5076 2006-01-18 Paul Brook <paul@codesourcery.com>
5078 Merge from csl-arm-branch.
5079 2005-03-14 Julian Brown <julian@codesourcery.com>
5080 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5081 (aeabi_llsl): Likewise.
5082 (ashrdi3): Likewise.
5083 (aeabi_lasr): Likewise.
5084 (lshrdi3): Likewise.
5085 (aeabi_llsr): Likewise.
5086 2005-03-10 Julian Brown <julian@codesourcery.com>
5087 * config.gcc: Disable shared libgcc for SymbianOS.
5088 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5090 2006-01-18 DJ Delorie <dj@redhat.com>
5092 * c-pragma.c (handle_pragma_diagnostic): New.
5093 (init_pragma): Register it.
5094 * doc/extend.texi: Document it.
5096 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5097 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5098 (diagnostic_context): Add classify_diagnostic[].
5099 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5100 as errors if they're overridden to DK_WARNING.
5101 (diagnostic_initialize): Initialize classify_diagnostic[].
5102 (diagnostic_set_kind_override): New.
5103 (diagnostic_report_diagnostic): Check for kind changes.
5104 * opts.c (common_handle_option): Take lang_mask. Update callers.
5106 * common.opt (Werror=): New.
5107 * doc/invoke.texi: Document -Werror=*
5109 2006-01-18 Jeff Law <law@redhat.com>
5111 * tree-vrp.c (test_for_singularity): Correct test for new
5112 min limit. Use operand_equal_p rather than pointer equality
5113 for testing if new min/max values are equal.
5115 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5116 using range information until after propagation and folding.
5118 2006-01-18 Richard Henderson <rth@redhat.com>
5119 Aldy Hernandez <aldyh@redhat.com>
5120 Jakub Jelinek <jakub@redhat.com>
5121 Diego Novillo <dnovillo@redhat.com>
5123 * omp-low.c: New file.
5124 * c-omp.c: New file.
5126 2006-01-18 Richard Henderson <rth@redhat.com>
5127 Jakub Jelinek <jakub@redhat.com>
5128 Diego Novillo <dnovillo@redhat.com>
5130 * doc/invoke.texi: Document -fopenmp.
5131 * tree-dump.h (debug_function): Declare.
5132 * hooks.c (hook_bool_tree_bool_false): New function.
5133 (hook_tree_tree_null): Remove.
5134 (hook_tree_tree_tree_null): New.
5135 * hooks.h: Update to match.
5136 * tree-pretty-print.c (debug_tree_chain): New.
5137 (print_generic_expr): Handle TDF_CHAIN.
5138 (dump_generic_node): Handle BLOCK.
5139 Do not abort with incomplete SWITCH_EXPRs.
5140 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5141 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5142 print space after directive name.
5143 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5144 Handle OMP_MASTER and OMP_ORDERED.
5145 Handle printing of OMP_BODY just in one place, goto
5146 dump_omp_body in the rest of OMP_* nodes that have
5148 Don't handle clause nodes here. Update omp statements to
5149 use dump_omp_clauses.
5150 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5151 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5152 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5153 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5154 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5155 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5156 Adjust output for GOMP_PARALLEL.
5157 (dump_omp_clauses): New.
5158 (print_declaration): Dump DECL_VALUE_EXPR.
5159 (op_symbol_1): Split out of op_symbol.
5160 (dumping_stmts): Remove. Update all users.
5161 * cgraph.c (cgraph_analyze_queue): New.
5162 (cgraph_add_new_function): New.
5163 * cgraph.h (cgraph_analyze_queue): Declare.
5164 (cgraph_add_new_function): Declare.
5165 (cgraph_lower_function): Remove.
5166 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5167 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5168 and TYPE_P nodes in its default clause.
5169 (empty_body_p): New.
5170 (tree_range_check_failed): New.
5172 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5173 OMP_CLAUSE_REDUCTION_MERGE,
5174 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5175 OMP_CLAUSE_PRIVATE_DEBUG,
5176 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5177 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5178 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5179 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5180 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5181 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5182 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5183 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5184 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5185 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5186 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5187 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5188 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5189 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5190 (TREE_RANGE_CHECK): New.
5191 (empty_body_p): Declare.
5192 (enum omp_clause_default_kind): New.
5193 (build_string_literal): Declare.
5194 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5195 (build5_stat, build5): Declare.
5196 * tree-pass.h (TDF_CHAIN): Define.
5197 * tree-pass.h (PROP_gimple_lomp): Define.
5198 (pass_lower_omp): Declare.
5199 * diagnostic.h (debug_tree_chain): Declare.
5200 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5202 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5203 * builtins.c (build_string_literal): Make extern.
5204 * gcc.c (include_spec_function): New.
5205 (static_spec_functions): Add it.
5206 (main): Move load of libgomp.spec ...
5207 (LINK_COMMAND_SPEC): ... here.
5208 (link_gomp_spec): New.
5209 (static_specs): Include it.
5210 (LINK_COMMAND_SPEC): Add link_gomp.
5211 (GOMP_SELF_SPECS): New.
5212 (driver_self_specs): Include it.
5213 (switch_matches): Don't mark inline.
5214 (main): Load libgomp.spec.
5215 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5216 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5217 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5218 * tree-gimple.h (enum omp_parallel): Declare.
5219 (determine_parallel_type): Declare.
5220 (omp_firstprivatize_variable): Declare.
5221 (omp_reduction_init): Declare.
5222 (diagnose_omp_structured_block_errors): Declare.
5223 (struct walk_stmt_info): Add want_return_expr.
5224 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5225 (find_omp_clause): Declare.
5226 (insert_field_into_struct): Declare.
5227 (struct walk_stmt_info): Move from tree-nested.c
5228 (walk_stmts): Declare.
5229 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5231 * cgraphunit.c (cgraph_lower_function): Make static.
5232 (cgraph_finalize_pending_functions): New.
5233 (cgraph_finalize_function): Call it.
5234 (cgraph_finalize_compilation_unit): Likewise.
5235 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5236 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5237 (BT_FN_UINT_UINT): New.
5238 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5239 DEF_FUNCTION_TYPE_VAR_4): Document.
5240 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5241 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5242 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5243 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5244 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5245 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5246 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5247 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5248 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5249 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5250 into separate files.
5251 (DEF_GOMP_BUILTIN): New.
5252 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5253 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5254 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5255 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5256 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5257 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5258 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5259 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5260 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5261 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5262 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5263 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5264 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5265 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5266 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5267 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5268 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5269 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5270 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5271 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5272 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5273 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5274 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5275 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5276 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5277 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5278 * sync-builtins.def: New file, moved from builtins.def.
5279 * omp-builtins.def: New file, moved from builtins.def.
5280 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5281 * gimple-low.c (lower_function_body): Clear data.
5282 (lower_stmt): Do not handle COMPOUND_EXPR.
5283 Remove call to print_node_brief.
5284 * c-tree.h (c_finish_omp_clauses): New prototype.
5285 (C_DECL_THREADPRIVATE_P): Define.
5286 (lookup_name_no_remap, c_omp_remap_private): Remove
5287 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5288 (check_for_loop_decls): Update decl.
5289 (lookup_name_no_remap, c_omp_remap_private): Declare.
5290 (build_indirect_ref, build_modify_expr, pushdecl,
5291 pushdecl_top_level): Move to c-common.h.
5292 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5293 before the switch, but just in the 2 places that need it.
5294 * c-decl.c (diagnose_mismatched_decls): Do not check for
5295 mismatched thread-local attributes when OLDDECL is marked
5296 threadprivate and NEWDECL has no thread-local attributes.
5297 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5298 (c_gimple_diagnostics_recursively): Rename from
5299 c_warn_unused_result_recursively. Invoke
5300 diagnose_omp_structured_block_errors.
5301 (check_for_loop_decls): Return a singular decl found.
5302 * langhooks.c (lhd_omp_predetermined_sharing): Return
5303 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5304 (lhd_omp_firstprivatize_type_sizes): New.
5305 (lhd_omp_assignment): New.
5306 (lhd_omp_predetermined_sharing): New.
5307 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5308 (struct lang_hooks_for_types): Add
5309 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5310 omp_predetermined_sharing, omp_disregard_value_expr,
5311 omp_private_debug_clause, omp_clause_default_ctor,
5312 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5313 (c_finish_omp_clauses): New.
5314 (c_finish_bc_stmt): Diagnose break within omp for.
5315 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5316 (build_unary_op): Return error_mark after reporting
5318 (build_modify_expr): Likewise.
5319 * gimplify.c: Include optabs.h and pointer-set.h.
5320 (enum gimplify_omp_var_data): Declare.
5321 (struct gimplify_omp_ctx): Declare.
5322 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5324 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5325 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5326 (splay_tree_compare_decl_uid): New.
5327 (new_omp_context): New.
5328 (delete_omp_context): New.
5329 (gimple_add_tmp_var): Call omp_add_variable.
5330 (gimplify_bind_expr): Likewise.
5331 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5332 true, disregard DECL_VALUE_EXPR on the decl if any.
5333 (gimplify_expr_in_ctx): New.
5334 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5335 omp_add_variable, omp_notice_variable, omp_is_private
5336 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5337 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5338 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5339 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5340 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5341 gimplify_omp_atomic): New.
5342 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5343 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5344 OMP_CRITICAL and OMP_ATOMIC.
5345 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5346 * c-pragma.h (enum pragma_kind): Add
5347 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5348 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5349 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5350 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5351 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5352 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5353 PRAGMA_OMP_THREADPRIVATE.
5354 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5355 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5356 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5357 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5358 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5359 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5360 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5361 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5362 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5363 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5364 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5365 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5366 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5368 (struct nesting_info): Add field_map,
5369 suppress_expansion, debug_var_chain.
5370 (create_nesting_tree): Initialize them.
5371 (lookup_field_for_decl): Use field_map.
5372 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5373 (convert_local_omp_clauses): New.
5374 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5375 (walk_body): Split out of walk_function.
5376 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5377 (convert_nonlocal_reference): Handle omp statements.
5378 (convert_local_reference): Likewise.
5379 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5380 (unnest_nesting_tree): New.
5381 (lower_nested_functions): Call it.
5382 (insert_field_into_struct): Make extern.
5383 (struct walk_stmt_info): Move to tree-gimple.h.
5384 (walk_stmts): Make extern.
5385 * omp-builtins.def: New file.
5386 * tree-iterator.c (expr_only): Clarify comment.
5387 * c-common.h (pushdecl_top_level, pushdecl,
5388 build_modify_expr, build_indirect_ref,
5389 c_finish_omp_master, c_finish_omp_critical,
5390 c_finish_omp_ordered, c_finish_omp_barrier,
5391 c_finish_omp_atomic, c_finish_omp_flush,
5392 c_finish_omp_for, c_split_parallel_clauses,
5393 omp_clause_default_kind, c_omp_sharing_predetermined,
5394 c_omp_remap_decl): Declare.
5395 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5396 (OBJS-common): Add omp-low.o.
5397 (c-omp.o, omp-low.o): Add.
5398 (gimplify.o): Add dependency on $(OPTABS_H).
5399 (GTFILES): Add omp-low.c.
5400 (gt-stringpool.h): Add.
5401 * tree-cfg.c (set_bb_for_stmt): Do not update the
5402 block-to-labels map if we are currently expanding to RTL.
5403 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5405 Handle IDENTIFIER_NODE.
5406 (tree_verify_flow_info): Do not ICE when emitting error
5407 messages about invalid labels.
5408 (dump_function_to_file): Reset CFUN before emitting the body
5410 (debug_function): New.
5411 * passes.c (init_optimization_passes): Schedule
5413 * langhooks-def.h (lhd_omp_predetermined_sharing,
5414 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5416 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5417 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5418 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5419 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5420 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5421 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5422 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5423 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5424 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5425 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5426 (LANG_HOOK_DECLS): Use them.
5428 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5429 Richard Henderson <rth@redhat.com>
5430 Jakub Jelinek <jakub@redhat.com>
5431 Diego Novillo <dnovillo@redhat.com>
5433 * c-parser.c (pragma_omp_clause): Define.
5434 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5435 (c_parser_compound_statement): Likewise.
5436 (c_parser_statement): Likewise.
5437 (c_parser_pragma): Handle omp pragmas.
5438 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5439 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5440 (c_parser_omp_clause_name, check_no_duplicate_clause,
5441 c_parser_omp_variable_list,
5442 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5443 c_parser_omp_clause_copyprivate,
5444 c_parser_omp_clause_default,
5445 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5446 c_parser_omp_clause_lastprivate,
5447 c_parser_omp_clause_nowait,
5448 c_parser_omp_clause_num_threads,
5449 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5450 c_parser_omp_clause_reduction,
5451 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5452 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5453 c_parser_omp_atomic, c_parser_omp_barrier,
5454 c_parser_omp_critical, c_parser_omp_flush,
5455 c_parser_omp_for_loop, c_parser_omp_for,
5456 c_parser_omp_master, c_parser_omp_ordered,
5457 c_parser_omp_sections_scope, c_parser_omp_sections,
5458 c_parser_omp_parallel, c_parser_omp_single,
5459 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5460 * c-pragma.c (init_pragma): Do omp pragma registration here.
5461 * c.opt (fopenmp): New flag.
5463 2006-01-18 Eric Christopher <echristo@apple.com>
5465 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5466 * config/darwin.h (GOMP_SELF_SPECS): Define.
5468 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5470 * rtl.h: Remove the prototype for reg_alloc.
5472 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5475 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5476 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5477 sjlj and dwarf2 exception handling.
5478 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5479 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5480 * pa/pa.c (function_value): Treat complex and vector types as
5482 (function_arg): Likewise. Only pass scalar floats in the floating
5483 point argument registers.
5484 * pa/t-slibgcc-dwarf-ver: New file.
5485 * pa/t-slibgcc-sjlj-ver: New file.
5486 * pa/t-slibgcc-elf-ver: Delete file.
5488 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5490 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5491 unlikely_test_section_p test.
5493 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5495 * mode-switching.c (optimize_mode_switching): Make it static.
5496 * basic-block.h: Remove the prototype for
5497 optimize_mode_switching.
5499 * modulo-sched.c (sms_schedule): Make it static.
5500 * rtl.h: Remove the prototype for sms_schedule.
5502 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5503 * rtl.h: Remove the prototype for gcse_after_reload_main.
5505 * reg-stack.c (reg_to_stack): Make it static.
5506 * rtl.h: Remove the prototype for reg_to_stack.
5508 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5510 * rtl.h: Remove the prototypes for regrename_optimize and
5511 copyprop_hardreg_forward.
5513 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5515 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5516 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5517 Test against the appropriate null constant for the mode.
5518 If 'fixup_overlap' is true, swap the operands if they overlap.
5519 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5520 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5521 alpha_split_tmode_pair and adjust for above change.
5522 * config/alpha/alpha.md (movtf_internal): Adjust call to
5523 alpha_split_tfmode_pair and rely on it to swap the operands.
5524 (movti_internal): New insn and post-reload splitter.
5525 (movti): New expander.
5527 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5529 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5532 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5534 * rtlanal.c (global_reg_mentioned_p_1,
5535 global_reg_mentioned_p): Remove.
5536 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5538 * flow.c (initialize_uninitialized_subregs): Make it static.
5539 * rtl.h: Remove the prototype for
5540 initialize_uninitialized_subregs.
5542 * function.c (instantiate_virtual_regs): Make it static.
5543 * function.h: Remove the prototype for
5544 instantiate_virtual_regs.
5546 * regmove.c (regmove_optimize, combine_stack_adjustments):
5548 * rtl.h: Remove the prototypes for regmove_optimize and
5549 combine_stack_adjustments.
5551 2006-01-17 Roger Sayle <roger@eyesopen.com>
5553 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5554 (size_cost): Encode costs in bytes so that a reg-reg addition is
5555 equivalent to COSTS_N_INSNS(1).
5556 (override_options): Use the size_cost.branch_cost as the default
5557 ix86_branch_cost when optimizing for size.
5559 2006-01-18 Ben Elliston <bje@au.ibm.com>
5561 * Makefile.in (D32PBIT_FUNCS): New.
5562 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5563 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5564 D64PBIT_FUNCS and D128PBIT_FUNCS.
5565 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5566 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5568 (decnumber_dep): Define.
5569 * doc/libgcc.texi (Decimal float library routines): New node.
5570 * config/dfp-bit.h, config/dfp-bit.c: New files.
5572 2006-01-18 Ben Elliston <bje@au.ibm.com>
5574 * expr.c (emit_move_change_mode): Always adjust addresses, not
5575 just during reload. Copy replacements only during reload.
5576 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5577 emit_move_via_integer.
5579 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5581 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5582 instead of $(srcdir) and ${srcdir}.
5584 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5588 * arm.h (struct machine_function): Add pic_reg.
5589 * arm.c (arm_pic_register): Make unsigned.
5590 (arm_override_options): Only set arm_pic_register if
5591 TARGET_SINGLE_PIC_BASE.
5592 (use_return_insn): Only test for a pic register if it is fixed.
5593 (arm_compute_save_reg0_reg12_mask): Likewise.
5594 (thumb_compute_save_reg_mask): Likewise.
5595 (legitimate_pic_operand): Factor out some known invariants.
5596 (legitimize_pic_address): If we don't have a fixed pic register,
5597 then set up a pseudo in the function entry sequence. Handle the
5598 pic base being in a pseudo.
5599 (arm_load_pic_register): Handle the pic register being in a pseudo.
5600 (arm_expand_prologue): Only set up the pic register if it is fixed.
5601 (thumb_expand_prologue): Likewise.
5602 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5603 (pic_load_addr_based_insn): Likewise.
5604 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5607 2006-01-18 Ben Elliston <bje@au.ibm.com>
5609 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5610 decimal float modes for all floating point registers.
5612 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5613 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5615 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5618 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5619 even when the pointer is not NULL.
5621 2006-01-16 Ian Lance Taylor <ian@airs.com>
5623 * common.opt (ftoplevel-reorder): New option.
5624 * cgraph.c (cgraph_asm_nodes): New global variable.
5625 (cgraph_asm_last_node): New static variable.
5626 (cgraph_order): New global variable.
5627 (cgraph_create_node): Set new order field.
5628 (cgraph_varpool_node): Likewise.
5629 (decide_is_variable_needed): Return true if not
5630 flag_toplevel_reorder.
5631 (cgraph_add_asm_node): New function.
5632 * cgraph.h (struct cgraph_node): Add order field.
5633 (struct cgraph_varpool_node): Add order field.
5634 (struct cgraph_asm_node): Define.
5635 (cgraph_asm_nodes, cgraph_order): Declare.
5636 (cgraph_add_asm_node): Declare.
5637 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5639 (cgraph_varpool_assemble_pending_decls): Call it.
5640 (cgraph_output_pending_asms): New static function.
5641 (cgraph_finalize_compilation_unit): Call it.
5642 (struct cgraph_order_sort): Define.
5643 (cgraph_output_in_order): New static function.
5644 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5645 !flag_toplevel_reorder case.
5646 * c-parser.c: Include "cgraph.h".
5647 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5649 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5650 than -fno-unit-at-a-time.
5651 * doc/invoke.texi (Option Summary): Mention
5652 -fno-toplevel-reorder.
5653 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5654 -funit-at-a-time documentation.
5656 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5657 Kazu Hirata <kazu@codesourcery.com>
5659 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5661 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5663 * Makefile.in (FUNCTION_H): New. Use it instead of
5664 function.h throughout the file.
5665 * function.h: Include tree.h.
5667 2006-01-17 Ben Elliston <bje@au.ibm.com>
5669 * recog.c: Separate some functions with whitespace.
5671 2006-01-16 Richard Henderson <rth@redhat.com>
5673 Merge from gomp branch:
5674 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5675 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5676 and rename from struct inline_data. Rename callee* to dst*;
5677 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5678 transform_new_cfg, transform_return_to_modify, and
5679 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5681 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5682 (copy_decl_for_dup): Remove.
5683 * tree-inline.c (struct inline_data): Move to header.
5684 (insert_decl_map): Export.
5685 (remap_decl): Update for member name changes. Use copy_decl hook.
5686 Allow for replacement to be a non-decl. Remove dead code.
5687 (remap_type_1): Check for existing mapping.
5688 (remap_type): Export.
5689 (remap_decls): Update for member name changes.
5690 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5691 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5692 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5693 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5694 (tree_function_versioning, build_duplicate_type): Likewise.
5695 (copy_body_r): Likewise. Export.
5696 (copy_decl_for_dup): Split into ...
5697 (copy_decl_for_dup_finish, copy_decl_to_var,
5698 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5699 (replace_ref_tree, inlining_p): Remove.
5701 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5703 * ifcvt.c (if_convert): Make it static.
5704 * rtl.h: Remove the prototype for if_convert.
5706 * local-alloc.c (local_alloc): Make it static.
5707 * rtl.h: Remove the prototype for local_alloc.
5709 * loop.c (loop_optimize): Make it static.
5710 * cfgloop.h: Remove the prototype for loop_optimize.
5713 2006-01-16 DJ Delorie <dj@redhat.com>
5715 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5718 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5720 * pa.md: Disparage copies between general and floating-point registers
5721 in 32-bit move patterns.
5723 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5726 * Makefile.in (check-%): Depend on site.exp instead of
5727 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5730 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5732 * global.c (global_alloc): Make it static.
5733 * rtl.h: Remove the prototype for global_alloc.
5735 2006-01-16 Richard Guenther <rguenther@suse.de>
5737 * tree-ssa-alias.c (struct used_part): Add write_only field.
5738 (get_or_create_used_part_for): Initialize it to true.
5739 (create_overlap_variables_for): Don't create structure variables
5740 for structures that only are written to.
5741 (find_used_portions): Handle MODIFY_EXPR to track whether a
5742 structure is only written to.
5744 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5746 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5748 * basic-block.h: Remove the prototype for
5749 partition_hot_cold_basic_blocks.
5751 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5753 * cppspec.c (lang_specific_spec_functions): Remove.
5754 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5755 * gcc.h (lang_specific_spec_functions): Remove.
5756 * gccspec.c (lang_specific_spec_functions): Remove.
5758 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5760 * combine.c (record_value_for_reg): Invalidate registers
5762 (record_dead_and_set_regs_1): Likewise, by passing them to
5763 record_value_for_reg.
5764 (record_dead_and_set_regs): Invalidate stores made by a
5765 call. We do not combine across a call, but we still
5766 relied on equivalences.
5768 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5770 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5771 vrp_int_const_binop returning non-constant nodes.
5773 2006-01-16 Paul Brook <paul@codesourcery.com>
5775 * config/m68k/m68k.c (output_move_const_into_data_reg):
5776 Output correct mnemonic for mvz and mvs.
5778 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5780 * rtl-factoring.c: Add sequence abstraction algorithm.
5781 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5782 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5784 (block_has_preserve_label): New function.
5785 * common.opt: Register new pass.
5786 * Makefile.in: Ditto.
5788 * timevar.def: Ditto.
5789 * tree-pass.h: Ditto.
5790 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5791 * rtl.h (make_jump_insn_raw): Add forward decl.
5792 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5794 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5795 Roger Sayle <roger@eyesopen.com>
5797 * fold-const.c (fold_minmax): New static function.
5798 (fold_binary) <MIN_EXPR>: Call it.
5799 <MAX_EXPR>: Likewise.
5800 * stor-layout.c (place_field): Use DECL_SIZE consistently
5801 in the computation of the new record size.
5803 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5805 * cse.c (cse_condition_code_reg): Make it static.
5806 * rtl.h: Remove the prototype for cse_condition_code_reg.
5808 * combine.c (combine_instructions): Make it static.
5809 * rtl.h: Remove the prototype for combine_instructions.
5811 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5814 * tree.c (get_file_function_name_long): Concatenate the first global
5815 object name with a string derived from the input filename of the object
5818 2006-01-16 Ben Elliston <bje@au.ibm.com>
5820 * config/i386/winnt-stubs.c: Update FSF address.
5821 * config/xtensa/ieee754-df.S: Ditto.
5822 * config/xtensa/ieee754-sf.S: Ditto.
5824 2006-01-14 Ian Lance Taylor <ian@airs.com>
5826 * ifcvt.c (noce_init_if_info): New static function, broken out of
5827 noce_process_if_block.
5828 (noce_process_if_block): Call noce_init_if_info.
5829 (check_cond_move_block): New static function.
5830 (cond_move_process_if_block): New static function.
5831 (process_if_block): Call cond_move_process_if_block.
5833 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5835 * cselib.c (hash_table): Rename to cselib_hash_table.
5836 (cselib_clear_table, discard_useless_values,
5837 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5838 cselib_init, cselib_finish): Adjust uses of hash_table.
5840 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5842 PR tree-optimization/25485
5843 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5844 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5845 is known to be false and true, respectively.
5847 2006-01-14 Richard Guenther <rguenther@suse.de>
5849 PR tree-optimization/22548
5850 PR tree-optimization/22555
5851 PR tree-optimization/22501
5852 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5853 * params.def (salias-max-array-elements): New parameter.
5854 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5855 * doc/invoke.texi (salias-max-array-elements): Document.
5856 * tree-flow-inline.h (var_can_have_subvars): We also handle
5858 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5860 * tree-ssa-structalias.c (params.h): Include.
5861 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5862 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5863 (get_constraint_for): For ADDR_EXPR operating on something
5864 containing an ARRAY_REF, add all subvars to the solution.
5865 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5866 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5867 for creating MUST_DEFs.
5868 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5870 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5872 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5874 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5875 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5876 number_of_iterations_le): New functions.
5877 (number_of_iterations_special): Removed.
5878 (number_of_iterations_exit): Do not use number_of_iterations_special.
5879 * tree.c (unsigned_type_for): Always return integer type.
5881 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5882 Richard Guenther <rguenther@suse.de>
5884 PR rtl-optimization/24257
5885 * gcse.c (find_moveable_store): Only consider a store movable
5886 when the SET_SRC of the insn can be assigned to a register.
5888 2006-01-14 Ian Lance Taylor <ian@airs.com>
5890 * tree.c (tree_not_class_check_failed): New function.
5891 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5892 (tree_not_class_check_failed): Declare.
5894 2006-01-13 Ian Lance Taylor <ian@airs.com>
5896 * reload1.c (do_output_reload): Add assertion rejecting a
5899 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5901 * combine.c (struct reg_stat): Add new fields truncation_label and
5903 (record_value_for_reg): Reset truncated_to_mode.
5904 (record_truncated_value): New function.
5905 (check_promoted_subreg): Call it. Rename to check_conversions.
5906 (combine_instructions): Rename check_promoted_subreg to
5908 (reg_truncated_to_mode): New function.
5909 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5910 (gen_lowpart_or_truncate): New function.
5911 (force_to_mode): Use it instead of gen_lowpart.
5913 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5915 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5916 VAR is a tag, not its type tag.
5918 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5920 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5921 alternatives to match style of other entries.
5922 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5924 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5926 PR tree-optimization/25771
5927 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5930 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5933 * tree-inline.c (declare_return_variable): If the return variable
5934 was marked as a non gimple complex, set the return slot variable
5935 to be a non gimple comple variable.
5937 2006-01-13 Richard Guenther <rguenther@suse.de>
5939 * builtins.c (expand_builtin_sincos): New function.
5940 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5942 (expand_builtin): Expand sincos using expand_builtin_sincos.
5944 2006-01-12 DJ Delorie <dj@redhat.com>
5946 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5947 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5948 so that constant shifts can be split.
5949 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5950 (m32c_valid_pointer_mode): Make static.
5951 (shift_gen_func_for): New.
5952 (m32c_prepare_shift): Use it. Split large const shifts into
5954 * config/m32c/predicates.md (shiftcount_operand): Allow more
5956 (longshiftcount_operand): New.
5957 * doc/md.texi (Machine Constraints): Document In6.
5959 2006-01-13 Ben Elliston <bje@au.ibm.com>
5961 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5962 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5965 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5967 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5968 to try to avoid clobbering pieces of structures when we know
5969 something about the whole structure.
5970 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5972 2006-01-13 Ben Elliston <bje@au.ibm.com>
5974 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5975 return in memory, as this is no limitation is no longer present.
5977 2006-01-12 DJ Delorie <dj@redhat.com>
5979 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5980 mova with fb, and for fb+0 -> An.
5982 * config/m32c/mov.md (peephole2): Fix enabling logic.
5984 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5985 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5986 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5987 FINI_ARRAY_SECTION_ASM_OP): Define.
5989 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5991 (m32c_legitimize_reload_address): New logic to reload FB to An.
5992 (m32c_output_reg_push): Add newline.
5993 (m32c_output_reg_pop): Likewise.
5995 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5997 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5999 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6001 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6003 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6005 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6008 2006-01-11 Ben Elliston <bje@au.ibm.com>
6010 * rtlanal.c (find_reg_note): Assert insn is not null.
6012 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6014 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6017 2006-01-11 Jeff Law <law@redhat.com>
6019 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6021 (mark_threaded_blocks, register_jump_thread): New functions.
6022 (thread_through_all_blocks): Remove unwanted argument. No
6023 longer rely on e->aux to communicate thread target info.
6024 Call mark_threaded_blocks. Release the threaded_blocks
6025 bitmap and threaded_edges vector when complete.
6026 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6027 (threaded_blocks): Remove.
6028 (tree_ssa_dominator_optimize): Remove initialization and
6029 finalization of threaded_blocks. Simplify call to
6030 thread_through_all_blocks.
6031 (thread_across_edge): Call register_jump_thread rather than
6032 storing thread information into e->aux.
6033 (free_all_edge_infos): Simplify now that e->aux is no longer
6034 used to communicate with thread_through_all_blocks.
6035 * tree-flow.h (thread_through_all_blocks): Update prototype.
6036 (register_jump_thread): Prototype.
6038 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6040 * df-core.c (df_compact_blocks, df_bb_replace): Use
6041 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6043 2006-01-11 Richard Guenther <rguenther@suse.de>
6045 PR tree-optimization/25734
6046 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6047 stop propagation after successful propagation to the LHS.
6049 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6051 * basic-block.h (control_flow_graph): Change the type of
6052 x_basic_block_info to VEC(basic_block,gc) *.
6053 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6055 (SET_BASIC_BLOCK): New.
6056 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6057 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6058 * cfgbuild.c (find_basic_blocks): Likewise.
6059 * cfglayout.c (fixup_reorder_chain): Likewise.
6060 * cfgrtl.c (create_basic_block_structure,
6061 rtl_create_basic_block): Likewise.
6062 * ifcvt.c (find_if_case_1): Likewise.
6063 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6066 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6068 * Makefile.in: Removed rotted odf.c entry.
6070 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6073 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6074 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6075 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6076 output pattern modifier, not %e.
6077 * config/cris/cris.c (cris_op_str): Update comment about pattern
6079 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6080 before falling through into...
6081 <case 'E'>: Redefined from old 'e' case.
6083 2006-01-11 Jan Hubicka <jh@suse.cz>
6086 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6088 2006-01-11 Jan Hubicka <jh@suse.cz>
6090 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6091 * i386.c (x86_decompose_lea): Kill.
6092 (ix86_rtx_costs): Kill.
6094 2006-01-11 Jan Hubicka <jh@suse.cz>
6096 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6097 * cgraph.h (cgraph_node): Add inline_decl.
6098 (cgraph_insert_node_to_hashtable): Declare.
6099 (save_inline_function_body): Declare.
6100 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6102 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6103 (cgraph_function_versioning): Update call of tree_function_versioning.
6104 (save_inline_function_body): New function.
6105 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6106 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6107 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6108 (cgraph_default_inline_p): Likewise.
6109 (cgraph_decide_inlining_incrementally): Likewise.
6110 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6111 (copy_bb): Kill saving; do updating of clones.
6112 (copy_cfg_body): Kill saving.
6113 (initialize_inlined-parameters): Likewise.
6114 (expand_call_inline): Likewise.
6116 (tree_function_versioning): New parameter "update_clones".
6117 (inlining_p): Kill saving.
6118 * tree-inline.h (tree_function_versioning): Update prototype.
6119 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6122 2006-01-11 Ian Lance Taylor <ian@airs.com>
6124 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6125 Allow undoing set of machine mode.
6126 (do_SUBST): Use enums instead of is_int.
6127 (do_SUBST_MODE): New function.
6128 (SUBST_MODE): New macro.
6129 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6130 reg and trying to replace reg_regno_rtx with a new register.
6131 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6132 (simplify_set): Use SUBST_MODE.
6133 (distribute_notes): Remove code that tried to update reg notes
6134 for regno_reg_rtx changes.
6136 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6138 PR tree-optimization/23109
6139 PR tree-optimization/23948
6140 PR tree-optimization/24123
6142 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6143 * tree-cfg.c (single_noncomplex_succ): New.
6144 * tree-flow.h (single_noncomplex_succ): Declare it.
6145 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6146 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6147 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6148 insert_bb, register_division_in, insert_reciprocals,
6149 replace_reciprocal, free_bb): New.
6150 (execute_cse_reciprocals_1): Rewritten.
6151 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6152 Do not commit any edge insertion. Always compute dominators and
6153 create the allocation pool.
6154 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6155 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6156 * targhooks.c (default_min_divistions_for_recip_mul): New.
6157 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6158 * passes.c (init_optimization_passes): Run recip after tree loop
6160 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6162 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6163 Kenneth Zadeck <zadeck@naturalbridge.com>
6165 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6166 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6167 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6168 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6169 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6170 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6171 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6172 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6173 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6174 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6175 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6176 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6177 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6178 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6179 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6180 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6181 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6182 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6183 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6184 DF_SCAN_POST_ALLOC): New macros.
6185 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6186 df_free_bb_function, df_local_compute_function, df_init_function,
6187 df_dataflow_function, df_confluence_function_0,
6188 df_confluence_function_n, df_transfer_function,
6189 df_finalizer_function, df_free_function, df_dump_problem_function,
6190 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6191 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6192 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6193 df_urec_bb_info, ) New types.
6194 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6196 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6197 df_analyze_simple_change_some_blocks,
6198 df_analyze_simple_change_one_block, df_compact_blocks,
6199 df_bb_replace, df_bb_regno_last_use_find,
6200 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6201 df_insn_regno_def_p, df_find_def, df_find_use,
6202 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6203 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6204 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6205 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6206 debug_df_chain, df_get_dependent_problem, df_chain_create,
6207 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6208 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6209 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6210 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6211 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6212 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6213 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6214 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6215 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6216 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6217 df_reorganize_refs, df_set_state, df_hard_reg_init,
6218 df_read_modify_subreg_p) New public functions.
6219 * df-core.c: The core dataflow solver and glue routines for rtl
6221 (df_init, df_add_problem, df_set_blocks, df_finish,
6222 df_hybrid_search_forward, df_hybrid_search_backward,
6223 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6224 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6225 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6226 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6227 df_reg_defined, df_find_use, df_reg_used, df_dump,
6228 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6229 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6230 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6231 debug_df_useno, reset_df_after_reload): New functions.
6232 * df-scan.c: The scanning fuctions, once in df.c, completely
6233 rewritten so that they now fully model the functionality of
6234 register usage at the backend.
6235 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6236 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6237 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6238 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6239 df_get_artificial_defs, df_get_artificial_uses,
6240 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6241 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6242 df_refs_delete, df_reorganize_refs, df_set_state,
6243 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6244 df_def_record_1, df_defs_record, df_uses_record,
6245 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6246 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6247 df_record_exit_block_uses, df_hard_reg_init): New functions.
6249 * df-problems.c: Seven concrete dataflow problems that use the
6250 scanning in df-scan.c and are solved by the engine in df-core.c.
6251 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6252 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6253 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6254 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6255 df_ru_free_bb_info, df_ru_alloc,
6256 df_ru_bb_local_compute_process_def,
6257 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6258 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6259 df_ru_transfer_function, df_ru_free, df_ru_dump,
6260 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6261 df_rd_free_bb_info, df_rd_alloc,
6262 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6263 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6264 df_rd_transfer_function, df_rd_free, df_rd_dump,
6265 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6266 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6267 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6268 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6269 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6270 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6271 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6272 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6273 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6274 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6275 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6276 df_urec_mark_reg_use_for_earlyclobber,
6277 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6278 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6279 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6280 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6281 df_chain_create_bb_process_use, df_chain_create_bb,
6282 df_chain_finalize, df_chain_free, df_chains_dump,
6283 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6284 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6285 df_reg_lifetime): New functions.
6286 * df.c: Deleted file.
6287 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6288 consistent with new df api.
6289 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6290 rest_of_handle_sms): Ditto.
6291 * web.c (unionfind_union, union_defs, entry_register, web_main):
6293 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6294 invariant_expr_equal_p, find_defs, check_dependencies,
6295 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6296 free_inv_motion_data, move_loop_invariants): Ditto.
6297 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6298 Update dependencies.
6299 (odf.c): Added defective entry that was deleted later in day.
6300 * sched-deps.c (sched_analyze_1): Ditto.
6302 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6304 * tree-ssa-operands.c (get_expr_operands): Record addressable
6305 variables directly. Do not call add_stmt_operands for CONST_DECLs
6307 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6308 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6310 2006-01-11 Ben Elliston <bje@au.ibm.com>
6312 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6313 function returns true in the positive case.
6315 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6318 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6319 for SI, DI, SF and DF modes. Add alternatives to copy between
6320 general and floating point registers to the 32-bit patterns.
6321 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6322 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6323 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6324 generating 64-bit code.
6325 * config/pa/pa.c (output_move_double): Handle copies between general
6326 and floating registers.
6328 2006-01-10 Stuart Hastings <stuart@apple.com>
6330 * config/i386/i386.md (set_got): Update.
6331 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6332 (builtin_setjmp_receiver): Mach-O support.
6333 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6334 (GOT_SYMBOL_NAME): Define.
6335 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6336 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6337 * config/i386/i386.c (override_options): Revise for Darwin.
6338 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6339 support. (darwin_x86_file_end): New. (output_set_got): Add label
6340 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6341 * config/i386/i386-protos.h (output_set_got): Likewise.
6342 * config/darwin.c (machopic_legitimize_pic_address): Update
6345 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6347 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6348 when MODE isn't BLKmode.
6350 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6352 PR rtl-optimization/25367
6353 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6355 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6358 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6359 for a negative bound.
6361 2006-01-10 Richard Guenther <rguenther@suse.de>
6363 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6364 Never override with anything constraint.
6366 2006-01-10 Jan Beulich <jbeulich@novell.com>
6368 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6369 256 bits when optimize_size.
6371 2006-01-10 Jan Beulich <jbeulich@novell.com>
6373 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6375 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6376 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6379 2006-01-10 Ben Elliston <bje@au.ibm.com>
6381 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6383 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6384 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6385 (USE_FP_FOR_ARG): Reject decimal float modes.
6386 (function_arg_advance): Likewise.
6387 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6388 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6389 point types in AltiVec vectors.
6390 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6391 (rs6000_libcall_value): Likewise.
6393 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6395 * config/xtensa/ieee754-df.S: New file.
6396 * config/xtensa/ieee754-sf.S: New file.
6397 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6398 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6399 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6401 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6403 * config/sh/predicates.md (binary_float_operator,
6404 binary_logical_operator, commutative_float_operator,
6405 equality_comparison_operator, greater_comparison_operator,
6406 less_comparison_operator, logical_operator,
6407 noncommutative_float_operator, shift_operator,
6408 symbol_ref_operand, unary_float_operator): Remove redundant
6411 2006-01-09 Jeff Law <law@redhat.com>
6413 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6414 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6415 now unused arguments. Callers updated.
6416 (eliminate_redundant_computations): Remove now unused arguments,
6418 (local_fold): Remove, no longer used.
6419 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6421 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6422 (simplify_cond): New function.
6423 (forward_propagate_into_cond): Call simplify_cond.
6425 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6427 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6428 (*vec_extractv2di_1_sse): New.
6430 2006-01-09 Ben Elliston <bje@au.ibm.com>
6432 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6434 2006-01-08 Richard Guenther <rguenther@suse.de>
6436 * tree-ssa-structalias.c (get_constraint_for): Remove
6438 (get_constraint_for_component_ref): Likewise.
6439 (do_deref): Likewise.
6440 (get_constraint_for): Likewise.
6441 (do_structure_copy): Likewise.
6442 (handle_ptr_arith): Likewise.
6443 (find_func_aliases): Likewise. Remove unused need_anyoffset
6446 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6447 Kaz Kojima <kkojima@gcc.gnu.org>
6449 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6450 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6451 (EXTRA_CONSTRAINT_C16): Remove.
6452 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6453 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6454 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6455 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6456 constants of SHmedia. Handle nested constant expressions of
6458 (andcosts): Fix the costs for SHmedia constants.
6459 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6460 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6461 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6462 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6463 (movv4hi_i, movv2si_i): Likewise.
6464 (movsi_const): Adjust the second operand of ior so to match with
6466 (movdi_const, movdi_const_32bit): Likewise.
6467 (movdi_const_16bit+1): Don't sign-extend LOW.
6468 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6470 (*double_shori): Fix the split condition. Use GEN_INT instead
6471 of get_int_mode calls. Mask lower 16-bit of the argument of
6473 (sym2GOTPLT): Remove.
6474 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6476 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6477 instead of EXTRA_CONSTRAINT_C16.
6479 2006-01-07 Ian Lance Taylor <ian@airs.com>
6480 David Edelsohn <edelsohn@gnu.org>
6482 PR rtl-optimization/25662
6483 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6484 for constant operands instead of simplify_gen_binary.
6485 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6486 after trying simplify_binary_operation
6488 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6490 * tree.c (iterative_hash_expr): Hash decls based on UID.
6492 2006-01-06 Eric Christopher <echristo@apple.com>
6494 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6495 (TARGET_UNWIND_EMIT): Fix spelling.
6496 * target.h (gcc_target): Add except_table_label.
6497 * except.c (output_function_exception_table): Use.
6498 * varasm.c (default_emit_except_table_label): New.
6499 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6501 (asm_out): Add here.
6502 * output.h (default_emit_except_table_label): Prototype.
6503 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6504 * config/darwin.c (darwin_emit_except_table_label): Define.
6505 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6507 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6509 PR tree-optimization/18527
6510 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6511 number_of_iterations_special, number_of_iterations_exit):
6512 Move base and step of an iv to a single structure. Add
6513 no_overflow flag, and use it in # of iterations analysis.
6514 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6515 folded_casts argument.
6516 (simple_iv): Pass base and step in a structure. Set no_overflow
6518 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6519 Evaluate expensiveness of computing # of iterations instead of
6520 the final expression.
6521 * tree-scalar-evolution.h (affine_iv): New structure.
6522 (simple_iv): Declaration changed.
6523 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6524 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6525 find_givs_in_stmt): Changed due to simple_iv change.
6527 2006-01-06 Jeff Law <law@redhat.com>
6530 * tree-cfg.c (bsi_replace): Rename final argument from
6531 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6532 change (stmt -> orig_stmt).
6533 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6534 (bsi_remove): Add new argument. Remove EH information
6536 (verify_eh_throw_table_statements): New function.
6537 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6539 * tree-optimize.c (execute_free_cfg_annotations): Verify
6540 the EH throw statement table after removing annotations.
6541 * except.h (verify_eh_throw_table_statements): Prototype.
6542 * tree-flow.h (bsi_remove): Update prototype.
6543 * tree-vrp.c (remove_range_assertions): Add new argument to
6545 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6546 * tree-complex.c (expand_complex_div_wide): Likewise.
6547 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6548 * tree-tailcall.c (eliminate_tailcall): Likewise.
6549 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6550 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6551 * tree-nrv.c (tree_nrv): Likewise.
6552 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6553 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6554 (combine_blocks): Likewise.
6555 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6556 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6557 (cleanup_control_flow): Likewise.
6558 (remove_forwarder_block): Likewise.
6559 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6560 * tree-sra.c (sra_replace): Likewise.
6561 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6562 (forward_propagate_single_use_vars): Likewise.
6563 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6564 * tree-inline.c (expand_call_inline): Likewise.
6565 * tree-vect-transform.c (vect_transform_loop): Likewise.
6566 * tree-outof-ssa.c (rewrite_trees): Likewise.
6567 * tree-cfg.c (make_goto_expr_edges): Likewise.
6568 (cleanup_dead_labels): Likewise.
6569 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6570 (bsi_move_before, bsi_move_after): Likewise.
6571 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6572 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6574 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6577 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6579 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6580 on non gimple variables. Also add checks at the top for decls and
6582 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6584 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6585 and IMAGPART_EXPR for creating MUST_DEFs.
6586 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6587 and NAME_MEMORY_TAG separately from the DECLs.
6589 2006-01-06 Richard Guenther <rguenther@suse.de>
6591 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6592 annotation, if necessary.
6593 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6594 redundant calls to update_stmt.
6595 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6598 2006-01-05 Richard Henderson <rth@redhat.com>
6600 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6602 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6604 * c-typeck.c: Update copyright date.
6606 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6608 * c-typeck.c (build_c_cast): Always warn when casting
6609 from a pointer to an integer of different size, even if
6610 the node was constant.
6612 2006-01-05 Richard Guenther <rguenther@suse.de>
6614 PR tree-optimization/22555
6615 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6616 if one structure field is an array.
6617 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6618 operands even if we found a subvar, but ignore VOPs in this
6620 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6622 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6624 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6627 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6629 2006-01-05 Richard Guenther <rguenther@suse.de>
6630 Diego Novillo <dnovillo@redhat.com>
6632 * tree-pass.h (TODO_remove_unused_locals): Define.
6633 * gimple-low.c (expand_var_p, remove_useless_vars,
6634 pass_remove_useless_vars): Remove. Update all users.
6635 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6636 (remove_unused_locals): New function.
6637 * tree-flow.h (remove_unused_locals): Declare.
6638 * passes.c (execute_todo): Call remove_unused_locals if
6639 TODO_remove_unused_locals is set.
6640 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6641 * tree-ssa-dce.c (pass_dce): Likewise.
6642 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6644 2006-01-05 Richard Guenther <rguenther@suse.de>
6646 * tree-flow.h (struct fieldoff): Decompose field to
6647 type, size and decl.
6648 * tree-ssa-alias.c (create_sft): Take type as parameter.
6649 (create_overlap_variables_for): Store type, size and decl
6650 in the fieldoff structure.
6651 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6653 (push_fields_onto_fieldstack): Likewise.
6654 (create_variable_info_for): Likewise. Use offset for the
6655 SFT name if the decl is not available.
6657 2006-01-04 Paul Brook <paul@codesourcery.com>
6659 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6661 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6663 * lambda-code.c (can_put_in_inner_loop): Relax
6665 (can_put_after_inner_loop): New function.
6666 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6667 (perfect_nestify): Change to make copies and modify uses.
6669 2006-01-04 Richard Henderson <rth@redhat.com>
6671 Merge from gomp branch:
6672 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6673 via integer constant.
6674 (pragma_lex): Remove.
6675 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6676 rather than parsing it.
6677 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6678 handle_pragma_extern_prefix): Add %< %> quotes.
6679 (registered_pragmas): New.
6680 (c_register_pragma_1): New.
6681 (c_register_pragma): Use it.
6682 (c_register_pragma_with_expansion): Likewise.
6683 (c_invoke_pragma_handler): New.
6684 (init_pragma): Use cpp_register_deferred_pragma directly for
6686 * c-pragma.h (enum pragma_kind): New.
6687 (pragma_handler): New.
6688 (c_invoke_pragma_handler): Declare.
6689 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6691 * c-common.h (c_common_pch_pragma): Update decl.
6692 * Makefile.in (c-parser.o): Update dependencies.
6693 (GTFILES): Add c-pragma.h.
6694 * c-parser.c (struct c_token): Add pragma_kind.
6695 (struct c_parser): Add in_pragma.
6696 (c_lex_one_token): Always initialize keyword and pragma_kind.
6697 Extract data for CPP_PRAGMA.
6698 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6699 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6700 Don't allow CPP_PRAGMA_EOL if in_pragma.
6701 (c_parser_consume_pragma): New.
6702 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6703 (c_parser_skip_to_end_of_parameter): Likewise.
6704 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6705 (c_parser_skip_to_pragma_eol): New.
6706 (c_parser_external_declaration): Handle CPP_PRAGMA.
6707 (c_parser_compound_statement_nostart): Likewise.
6708 (c_parser_statement_after_labels): Likewise.
6709 (c_parser_pragma): New.
6710 (pragma_lex): Likewise.
6711 (c_parser_pragma_pch_preprocess): New.
6712 (c_parser_new): Merge into ...
6713 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6715 2006-01-04 Jeff Law <law@redhat.com>
6718 * tree-cfg.c (bsi_replace): Remove the original statement
6719 from the EH throw statement table.
6721 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6723 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6724 make the prototype extern "C" and add throw ().
6727 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6728 and pos non-negative and pos + len <= 32.
6729 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6730 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6731 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6734 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6735 as well as sizes not multiple of component size.
6738 * function.c (instantiate_expr): New function.
6739 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6740 walk its DECL_VALUE_EXPR with instantiate_expr.
6742 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6743 DW_OP_deref{,_size} if address isn't going to be added.
6745 2006-01-04 Ben Elliston <bje@au.ibm.com>
6747 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6748 * config/fp-bit.c: Likewise.
6750 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6752 * dominance.c: Add comment about why we use DFS numbering
6755 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6756 Richard Henderson <rth@redhat.com>
6758 Merge from gomp-branch:
6759 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6760 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6762 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6764 PR rtl-optimization/25578
6765 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6766 pass a parameter to simplify_shift_const if changing ASHIFTRT
6769 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6771 * builtins.c (get_builtin_sync_mem): New function.
6772 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6773 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6774 Call get_builtin_sync_mem to generate mem rtx.
6776 2006-01-03 Richard Guenther <rguenther@suse.de>
6779 * stmt.c (add_case_node): Make sure to clear overflow flags
6782 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6784 Merge from gomp-branch.
6785 * config/sparc/sync.md: New file.
6786 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6787 UNSPECV_LDSTUB): New constants.
6788 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6789 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6790 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6793 2006-01-03 Roger Sayle <roger@eyesopen.com>
6795 * combine.c (reg_subword_p): New predicate to test whether the
6796 destination of a set refers to a subword/piece of a register.
6797 (try_combine): Generalize the code to merge the setting of a
6798 pseudo to a constant followed by a set of a subword of that
6799 register to a constant.
6801 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6803 * basic-block.h (control_flow_graph): Change the type of
6804 x_label_to_block_map to VEC(basic_block,gc) *.
6805 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6806 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6808 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6809 VEC(basic_block,heap) *.
6810 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6811 ssa_prop_fini): Adjust the uses of cfg_blocks.
6813 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6815 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6817 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6818 hashing trees instead of a pointer hash.
6819 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6820 compare for MEM_EXPR.
6822 PR rtl-optimization/25130
6823 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6824 when comparing MEMs for GCSE
6826 2006-01-03 Ben Elliston <bje@au.ibm.com>
6828 * targhooks.h (default_decimal_float_supported_p): Declare.
6829 * targhooks.c (default_decimal_float_supported_p): Define.
6830 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6831 `default_decimal_float_supported_p'.
6832 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6834 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6836 * combine.c (apply_distributive_law <SUBREG>): Check
6837 TRULY_NOOP_TRUNCATION.
6839 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6841 * dwarf2out.c (have_switched_text_section): Delete.
6842 (have_multiple_function_sections): New.
6843 (have_location_lists): Make 'bool'.
6844 (add_AT_loc_list): Use 'true' not '1'.
6845 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6846 (output_loc_list): Use have_multiple_function_sections.
6847 (output_ranges): Likewise.
6848 (dwarf2out_begin_function): Set have_multiple_function_sections if
6850 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6851 Check function_section rather than DECL_SECTION_NAME.
6852 (dwarf2out_finish): Use have_multiple_function_sections.
6853 Don't clear have_location_lists.
6855 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6856 Jan Hubicka <jh@suse.cz>
6858 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6859 case of conditional jump jumping to the next instruction.
6860 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6861 cases of conditional jump jumping to the next instruction.
6863 2006-01-02 Jan Hubicka <jh@suse.cz>
6865 * i386.c (*_cost): Add COSTS_N_INSNS.
6866 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6868 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6871 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6873 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6875 * config/arm/arm.c (all_fpus): Fix comment typo.
6876 * config/darwin.c: Likewise.
6877 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6878 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6879 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6881 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6883 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6884 (rs6000_split_compare_and_swapqhi): New.
6885 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6886 (sync_compare_and_swapqhi_internal): New.
6887 * config/rs6000/rs6000-protos.h: Declare.