1 2006-06-19 Mike Stump <mrs@apple.com>
3 * tree.c (variably_modified_type_p): VM arguments don't make the
6 2006-06-19 Richard Guenther <rguenther@suse.de>
8 * tree-ssa-pre.c (try_combine_conversion): Strip useless
9 type conversions after folding.
11 2006-06-19 Richard Guenther <rguenther@suse.de>
13 * ggc-page.c (extra_order_size_tab): Add entries with
14 size of struct function and basic_block.
15 (size_lookup): Extend to cover sizes up to 511.
16 (ggc_alloc_stat): Adjust user.
17 (ggc_pch_count_object): Likewise.
18 (ggc_pch_alloc_object): Likewise.
19 (ggc_pch_write_object): Likewise.
21 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
23 * tree-ssa-loop-niter.c (implies_ge_p): New function.
24 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
27 2006-06-19 Denis Chertykov <denisc@overta.ru>
29 * config/avr/libgcc.S : Correct my wrong previous commit.
31 2006-06-19 Roger Sayle <roger@eyesopen.com>
34 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
35 have stripped a SUBREG from the shift count, so we may need to
36 convert_to_mode back to the type's mode before calling make_tree.
37 Use new_amount instead of amount to avoid expanding a tree twice.
39 2006-06-19 Richard Guenther <rguenther@suse.de>
42 * fold-const.c (operand_equal_p): Check if the argument types
43 have the same precision before stripping NOPs.
45 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
47 Fix PR tree-optimization/27341
48 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
50 * tree-complex.c (pass_lower_complex): Update SMT usage.
52 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
54 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
55 Add a new alternative to the constraint strings. Add move of
56 operand 1 to 3 to the splitter definition.
57 ("doloop_si_long"): Second contraint alternative removed.
59 2006-06-08 Anatoly Sokolov <aesok@post.ru>
61 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
62 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
64 (AVR_HAVE_MOVW) Define.
65 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
66 (ASM_SPEC): Add avr25.
67 (LINK_SPEC): Add avr25.
68 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
69 (base_arch_s): Add new member 'have_movw_lpmx'.
70 (avr_arch_types): Init 'have_movw_lpmx'.
71 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
72 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
73 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
74 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
75 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
77 (avr_file_start): Do not output '.arh' derective.
78 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
79 (__do_copy_data): Use __AVR_HAVE_LPMX__.
80 * config/avr/avr.md (mcu_enhanced): Delete.
81 (mcu_have_movw): Define.
82 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
83 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
84 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
85 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
86 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
87 attiny861 and at86rf401 devices.
89 2006-06-18 Jie Zhang <jie.zhang@analog.com>
91 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
94 2006-06-17 Karl Berry <karl@gnu.org>
96 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
97 doc/gccint.texi, doc/install.texi (@dircategory): Use
98 "Software development" instead of "Programming", following
99 the Free Software Directory.
101 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
103 * config/i386/i386.c (legitimate_tls_address)
104 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
105 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
106 (*tls_dynamic_gnu2_combine_64): Likewise.
108 2006-06-16 Richard Guenther <rguenther@suse.de>
111 * fold-const.c (negate_expr_p): Do not introduce undefined
112 overflow in negating INTEGER_CSTs.
113 (fold_negate_expr): Rename from negate_expr. Revert last
114 change for folding BIT_NOT_EXPR. Change semantics to
115 return NULL_TREE for non-simplified negations. Do not
116 strip type conversions and unify type handling.
117 (negate_expr): New function, wrap around fold_negate_expr
118 but ensure building a tree always. Strip type conversions
119 here, fold to result type.
120 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
122 2006-06-16 Roger Sayle <roger@eyesopen.com>
125 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
126 that (would) return their results in stack registers.
128 2006-06-16 Michael Matz <matz@suse.de>
129 Richard Guenther <rguenther@suse.de>
131 * fold-const.c (fold_truthop): Only return new tree node if
132 we canonicalized something.
134 2006-06-16 Richard Guenther <rguenther@suse.de>
136 * function.h (enum function_frequency): Move declaration
137 out of struct function.
138 (struct function): Move bool fields and the enum to the bitfield
139 section. Reorder elements to avoid padding. Remove unused
140 fields left over from the RTL inliner removal.
141 * function.c (free_after_compilation): Do not zero removed fields.
142 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
143 (ipa-type-escape.o): Likewise.
145 2006-06-16 Richard Guenther <rguenther@suse.de>
147 * cgraph.h (struct cgraph_local_info): Turn bool elements
149 (struct cgraph_node): Likewise.
150 (struct cgraph_varpool_node): Likewise.
152 2006-06-15 Richard Guenther <rguenther@suse.de>
154 * fold-const.c (fold_truth_not_expr): Rename from
155 invert_truthvalue. Give it fold_* semantics to avoid
157 (invert_truthvalue): New function. Wrapper around
159 (optimize_minmax_comparison): Avoid creating garbage.
160 (fold_unary): Use fold_truth_not_expr for folding
162 (fold_ternary): Replace uses of invert_truthvalue with
163 fold_truth_not_expr where applicable.
164 * tree.h (fold_truth_not_expr): Prototype.
166 2006-06-16 Richard Guenther <rguenther@suse.de>
168 PR tree-optimization/27781
169 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
170 * ipa-pure-const.c (target.h): Include.
171 (analyze_function): Do not analyze functions that do not
174 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
177 * tree-dfa.c (referenced_vars_dup_list): Remove.
178 (find_referenced_vars): Remove assert.
179 (referenced_var_check_and_insert): Replace dup list with assert.
180 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
181 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
183 2006-06-15 Richard Guenther <rguenther@suse.de>
185 * tree-ssa-structalias.c (alias_get_name): Avoid creating
186 extra unused identifiers if not dumping.
187 (create_variable_info_for): Likewise.
189 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
191 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
192 (derive_constant_upper_bound): Derive more precise upper bound in
193 common cases. Return type changed to double_int.
194 (record_estimate): Reflect the changed return type of
195 derive_constant_upper_bound.
196 * double-int.c (double_int_zext, double_int_sext): Fix.
198 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
200 * configure.ac (CFLAGS): Get them from the toplevel or from the
201 configure invocation.
202 * configure: Regenerate.
203 * Makefile.in (CFLAGS): Substitute value provided by configure.
205 2006-06-14 Mark Mitchell <mark@codesourcery.com>
208 * c-common.h (c_finish_omp_atomic): Adjust declaration.
209 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
210 rather than calling add_stmt on it.
211 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
213 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
216 * reload1.c (reload): Remove registers returned by update_eliminables
217 from used_spill_regs.
219 2006-06-13 DJ Delorie <dj@redhat.com>
221 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
223 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
225 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
226 html__strip_dir, html__mkdir_p. Enhance install-html target.
227 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
228 * configure: Regenerate.
230 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
232 * fold-const.c (fold_cond_expr_with_comparison): Check for
233 Objective-C++ as language in deciding COND_EXPR transformation.
235 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
238 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
239 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
240 * config/sh/lib1funcs.h (SL, SL1): Define.
241 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
242 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
243 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
244 (OBJS_Os_4_200): New variable.
245 ($(T)libgcc-Os-4-200.a): Use it.
246 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
247 when dividing 1 and/or by 0.
249 2006-06-13 Roger Sayle <roger@eyesopen.com>
251 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
252 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
253 * configure: Regenerate.
255 2006-06-13 Jie Zhang <jie.zhang@analog.com>
257 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
258 for real instruction.
260 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
263 * haifa-sched.c (check_cfg): Handle special case.
265 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
268 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
269 Add debug_info parameter. Chain the vars to the BLOCK instead
270 of the BIND_EXPR if debug info are requested for them.
271 (pop_gimplify_context): Adjust for above change.
272 (gimple_add_tmp_var): Likewise.
273 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
275 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
276 (convert_local_reference): Likewise.
277 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
278 (finalize_nesting_tree_1): Request that debug info be emitted
281 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
283 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
286 2006-06-13 Richard Guenther <rguenther@suse.de>
289 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
291 2006-06-13 Richard Guenther <rguenther@suse.de>
293 PR tree-optimization/27830
294 * tree-inline.c (copy_body_r): For copying the operand
295 of an ADDR_EXPR make sure to fold &* afterwards.
297 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
299 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
300 lvalues in the fb_none case with side-effects.
302 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
304 * tree-flow.h: Remove the prototype for
305 compute_phi_arg_on_exit.
306 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
307 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
310 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
312 * builtins.c (expand_builtin_return_addr): Only use
313 frame_pointer_rtx when count == 0 and we are expanding
314 __builtin_return_address.
316 2006-06-12 Fred Fish <fnf@specifix.com>
318 * config/mips/mips.c (mips_file_start): Create special section
319 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
321 2006-06-11 Eric Christopher <echristo@apple.com>
324 * stor-layout.c (place_field): Remove check for
325 remaining_in_alignment when aligning at the end of a run.
327 2006-06-11 Eric Christopher <echristo@apple.com>
330 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
333 2006-06-11 Roger Sayle <roger@eyesopen.com>
336 Revert incorrect fix for PR target/27158
337 2006-05-08 Roger Sayle <roger@eyesopen.com>
338 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
339 of a reg_equiv_constant if the result is a legitimate constant.
341 2006-06-11 Roger Sayle <roger@eyesopen.com>
344 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
345 extract a CONST_VECTOR element and interpret it as an integer.
346 (vspltis_constant): Use const_vector_elt_as_int instead of the
347 macro CONST_VECTOR_ELT in order to handle FP vector modes.
348 * config/rs6000/predicates.md (easy_vector_const): Consider
349 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
351 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
354 * stor-layout.c (update_alignment_for_field): Don't add extra
355 alignment for packed non-bitfield fields in ms_bitfield_layout_p
358 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
360 * config/mips/t-rtems: Add EL/EB multilib variants.
362 2006-06-09 Mike Stump <mrs@apple.com>
364 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
366 2006-06-09 David Daney <ddaney@avtrex.com>
368 * doc/install.texi: Add binutils version recommendation for mips-*-*.
370 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
372 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
374 2006-06-09 Richard Guenther <rguenther@suse.de>
376 PR tree-optimization/26998
377 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
378 of signed types, only TYPE_MIN_VALUE is special, but for both,
379 minimum and maximum value. Likewise VR_ANTI_RANGE is special
380 in this case, as is -fwrapv.
382 2006-06-08 Mike Stump <mrs@apple.com>
385 * config/darwin.c (darwin_asm_output_anchor): Disable
386 -fsection-anchors on darwin for now.
387 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
388 * rs6000/rs6000.c (optimization_options): Likewise.
390 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
393 * config/i386/i386.c (classify_argument): Skip fields with invalid
396 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
398 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
399 (cse_insn): Likewise for the stack_pointer_rtx.
401 2006-06-08 Roger Sayle <roger@eyesopen.com>
403 * tree-ssa-dom.c (record_conditions): Only record "unordered"
404 conditions from floating point comparisons.
406 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
409 * expmed.c (struct alg_hash_entry): Fix type of field T
410 to match synth_mult argument.
411 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
413 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
416 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
419 2006-06-08 Richard Guenther <rguenther@suse.de>
422 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
423 only, if overflow is defined and not trapping.
424 (negate_expr): Likewise.
426 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
428 PR tree-optimization/27872
429 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
430 flag on the new exit edge of the unrolled loop.
432 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
434 PR rtl-optimization/26449
435 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
437 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
440 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
441 referenced_variables with matching DECL_UID's.
442 (find_referenced_vars): Make sure duplicate list is empty to start.
443 (referenced_var_p): Remove.
444 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
445 Check if var is in the list, and add if needed. Update the duplicate
446 list if a different var is in the list with the same DECL_UID.
447 (add_referenced_var): Call routine to check and insert.
448 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
449 * tree-flow.h (referenced_vars_dup_list): External declaration.
451 2006-06-07 Fred Fish <fnf@specifix.com>
453 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
456 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
459 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
460 the imaginary and real parts of a clobbered register.
461 Emit insn to set the imaginary part.
463 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
465 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
466 in lieu of unwind-dw2-fde.c.
468 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
470 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
472 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
475 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
476 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
477 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
478 V4SImode temporaries and operations instead.
480 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
482 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
485 2006-06-06 Mike Stump <mrs@apple.com>
487 * Makefile.in: Rename to htmldir to build_htmldir to avoid
488 installing during build.
490 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
492 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
494 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
495 * config/ia64/ia64.c (params.h): New header.
496 (ia64_optimization_options): New function to adjust parameters.
497 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
498 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
499 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
501 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
503 * stor-layout.c (debug_rli): Fix a typo in a debug message.
505 2006-06-05 Steve Ellcey <sje@cup.hp.com>
508 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
510 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
511 Victor Kaplansky <victork@il.ibm.com>
513 PR tree-optimization/26360
514 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
517 2006-06-04 Roger Sayle <roger@eyesopen.com>
518 Andrew Pinski <pinskia@physics.uc.edu>
521 * c-common.c (c_common_truthvalue_conversion): Explicitly check
522 for LABEL_DECL before calling DECL_WEAK.
525 * c-typeck.c (build_binary_op): Likewise, explicitly check for
526 LABEL_DECL and PARM_DECL.
528 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
532 * c-decl.c (grokdeclarator): Disallow variably modified types at
533 file scope. Avoid marking shared array type of constant size as
536 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
539 * c-common.c (fold_offsetof_1): Handle static members.
541 2006-06-04 Eric Christopher <echristo@apple.com>
543 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
544 (debug_rli): Output value for remaining_in_alignment.
545 (update_alignment_for_field): Unconditionalize
546 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
547 extra alignment code.
548 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
549 ms_bitfield_layout_p code. Rewrite handling of structure fields.
550 * tree.h (record_layout_info_s): Remove prev_packed.
551 * doc/extend.texi (ms_struct): Add documentation of format.
553 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
555 * tree.h: Declare folding_initializer.
556 * builtins.c (fold_builtin_constant_p): Give definite answer
557 if folding inside an initializer.
558 * fold-const.c: Define folding_initializer.
559 (START_FOLD_INIT): Save and then set folding_initializer.
560 (END_FOLD_INIT): Restore folding_initializer.
562 2006-06-04 Richard Guenther <rguenther@suse.de>
564 PR tree-optimization/27039
565 * fold-const.c (fold_comparison): Handle pointer comparison
566 again for all comparison codes. Compare offsets in signed
568 (fold_binary): Move code from here.
570 2006-06-03 Roger Sayle <roger@eyesopen.com>
573 * config/i386/i386.c (construct_container): Split static issued_error
574 flag into issued_sse_arg_error, issued_sse_ret_error and
575 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
576 requires the use of x87 registers and the user explicitly
577 specified the -mno-80387 command line option.
579 2006-06-02 Geoffrey Keating <geoffk@apple.com>
581 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
582 HAVE_DECL_SIGALTSTACK.
584 (segv_handler): Use MC_FLD.
585 * configure.ac: Check for a sigaltstack declaration.
586 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
587 * configure: Regenerate.
588 * config.in: Regenerate.
590 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
593 * Makefile.in (stmp-fixinc): Fix typo.
595 2006-06-02 Roger Sayle <roger@eyesopen.com>
597 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
598 are type correct. Clean-up.
599 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
600 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
602 2006-06-01 DJ Delorie <dj@redhat.com>
604 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
605 shift, as we've disabled the "switch" insn that needs it.
607 2006-06-01 Per Bothner <bothner@bothner.com>
609 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
610 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
611 * c-ppoutput.c (cb_define): Don't increment line 0.
613 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
615 * doc/invoke.texi: Add cpu_type power6.
616 * config.gcc: Add cpu_type power6.
617 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
618 to power5+ with Altivec.
619 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
620 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
622 2006-05-30 Anatoly Sokolov <aesok@post.ru>
624 * config/avr/avr.h (SET_ASM_OP): Define.
626 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
628 * config/bfin/bfin.c: Fix comment typos.
630 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
633 * doc/install.texi: Document --enable-bootstrap and
636 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
638 * doc/install.texi: Document that InfoZIP can replace jar.
640 2006-05-31 Roger Sayle <roger@eyesopen.com>
642 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
643 isn't available, directly generate the simpler x87 patterns without
644 the (use (const_int 0)).
645 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
646 implementation isn't available.
647 (*negdf2_1): Likewise.
648 (*negxf2_1): XF mode negation is always done using the x87.
649 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
651 2006-05-31 Roger Sayle <roger@eyesopen.com>
653 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
654 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
656 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
658 2006-05-31 Jie Zhang <jie.zhang@analog.com>
660 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
661 * config/bfin/bfin.c (basic-block.h): Include.
662 (struct machine_function): New.
663 (bfin_init_machine_status): New.
664 (override_options): Initialize init_machine_status.
665 (bfin_hardware_loop): New.
666 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
667 (DEF_VEC_P (loop_info)): New.
668 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
669 (struct loop_info): New.
670 (loop_info): New typedef.
671 (struct loop_work): New.
672 (loop_work): New typedef.
673 (DEF_VEC_O (loop_work)): New.
674 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
675 (bfin_dump_loops): New.
676 (bfin_bb_in_loop): New.
677 (bfin_scan_loop): New.
678 (bfin_optimize_loop): New.
679 (bfin_reorg_loops): New.
680 (bfin_reorg): Use bfin_reorg_loops.
681 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
683 (I_REGNO_P): Simplify.
684 (DP_REGNO_P, DPREG_P): New macros.
685 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
686 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
687 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
688 Add LT_REGS, LC_REGS, LB_REGS.
689 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
691 (REGNO_REG_CLASS): Deal with loop registers.
692 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
694 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
695 New constants for loop registers.
696 (UNSPEC_LSETUP_END): New.
697 (seq_insns): New define_attr. Set it for appropriate insns.
698 (movsi_insn): Add alternatives for move from/to
699 loop count registers.
700 (doloop_end): New define_expand.
701 (loop_end): New define_insn.
702 (define_split for bad doloop_end): New.
703 (lsetup_with_autoinit): New define_insn.
704 (lsetup_without_autoinit): New define_insn.
705 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
706 * config/bfin/predicates.md (lc_register_operand): New.
707 (lt_register_operand): New.
708 (lb_register_operand): New.
709 (nondp_register_operand): New.
710 (nondp_reg_or_memory_operand): New.
711 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
713 2006-05-31 Jie Zhang <jie.zhang@analog.com>
715 * config/bfin/bfin.c (bfin_delegitimize_address): New.
716 (TARGET_DELEGITIMIZE_ADDRESS): Define.
718 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
720 * Makefile.in (CATALOGS): Add po/ prefix.
721 * configure: Regenerated.
723 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
726 * arm.c (arm_print_operand case 'S'): Validate that the operand is
727 a shift operand before calling shift_op. Avoid redundant call of
730 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
731 DJ Delorie <dj@redhat.com>
733 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
734 we're inserting is a singlt-bit constant.
736 2006-05-30 Roger Sayle <roger@eyesopen.com>
738 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
739 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
741 2006-05-30 Roger Sayle <roger@eyesopen.com>
743 PR tree-optimization/23452
744 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
745 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
746 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
747 complex values and with -ffast-math for FP complex values.
749 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
751 * c-common.h: Remove the prototype for yyparse.
752 * rtl.h: Remove the prototype for init_loop.
754 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
756 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
759 2006-05-30 Roger Sayle <roger@eyesopen.com>
761 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
763 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
764 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
766 2006-05-30 Dirk Mueller <dmueller@suse.de>
769 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
770 for CONSTANT_CLASS_P expresisons.
772 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
775 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
777 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
779 PR tree-optimization/27779
780 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
781 initial_condition instead of CHREC_LEFT.
783 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
785 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
786 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
787 Make prototypes ISO C90.
789 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
790 Leehod Baruch <leehod.baruch@weizmann.ac.il>
792 * see.c (see_analyze_one_def): Correct check.
793 (see_get_extension_data): Check if extension is parallel.
794 (see_get_extension_reg): Likewise.
796 2006-05-30 Uros Bizjak <uros@kss-loka.si>
799 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
800 into register for (code == GTU).
802 2006-05-29 Roger Sayle <roger@eyesopen.com>
804 PR tree-optimization/24964
805 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
806 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
807 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
808 abs(x)*abs(x) as x*x for scalar floating point modes.
810 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
813 * lambda-code.c (perfect_nestify): Don't copy statements
814 in the inner loop: move them to the inner loop header.
816 2006-05-29 Diego Novillo <dnovillo@redhat.com>
819 * c-tree.texi: Document OpenMP directives and clauses.
821 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
823 * varasm.c (globalize_decl): Fix indentation.
825 2006-05-29 Diego Novillo <dnovillo@redhat.com>
828 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
829 pass_fre, pass_store_ccp, pass_copy_prop,
830 pass_store_copy_prop, pass_merge_phi, pass_nrv,
831 pass_return_slot, pass_object_size, pass_lim,
832 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
833 pass_loop_prefetch and pass_stdarg.
835 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
837 * config/bfin/bfin.opt (mfdpic): New option.
838 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
839 (EXTRA_MULTILIB_PARTS): Likewise.
840 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
841 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
843 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
844 (CRT_CALL_STATIC_FUNCTION): New.
845 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
847 (CRT_CALL_STATIC_FUNCTION): New.
848 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
850 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
851 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
852 (initialize_trampoline): Changed to handle FD-PIC code generation.
853 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
854 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
855 (override_options): Disallow -mid-shared-library -mfdpic combination.
856 Can't do unaligned ops if FD-PIC.
857 Turn off flag_pic if trying to generate non-id-shared-library
858 non-fdpic code, since it's not supported.
859 (bfin_assemble_integer): New function.
860 (TARGET_ASM_INTEGER): Define.
861 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
863 * config/bfin/crtn.s: Restore them.
864 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
866 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
867 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
868 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
869 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
870 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
872 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
873 FDPIC_REGS and FDPIC_FPTR_REGS.
874 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
875 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
876 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
877 (load_funcdescsi): New pattern.
878 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
879 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
880 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
882 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
884 * gcse.c, rtlanal.c: Remove obsolete comments associated with
887 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
889 * tree-flow.h: Remove the prototype for add_type_alias.
890 * tree-ssa-alias.c (add_type_alias): Remove.
892 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
894 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
895 config/fr30/fr30.md, config/i386/i386-interix.h,
896 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
897 config/sh/superh64.h, config/v850/v850.c, df-core.c,
898 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
899 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
900 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
901 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
902 Follow spelling conventions.
903 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
904 Follow spelling conventions.
906 2006-05-27 Richard Guenther <rguenther@suse.de>
909 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
910 to produce a constant of value 1 of generic type.
912 2006-05-27 Dirk Mueller <dmueller@suse.de>
914 * cgraphunit.c (decide_is_function_needed): Fix wrong
917 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
919 PR rtl-optimization/27661
920 * reload.c (find_reloads): When reloading a VOIDmode constant
921 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
922 use Pmode as mode of the reload register.
924 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
926 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
927 is enabled at -O and above.
929 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
932 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
935 2006-05-25 Mark Mitchell <mark@codesourcery.com>
938 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
939 for anonymous variables explicitly declared by front ends.
941 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
943 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
944 (struct alias_info): Add new field ref_all_symbol_mem_tag.
945 * tree-ssa-alias.c (compute_may_aliases): If the program contains
946 ref-all pointers, run a finalization pass for them.
947 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
948 (finalize_ref_all_pointers): New function.
949 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
950 regular pointer type to a ref-all pointer type.
951 (get_tmt_for): Return the special memory tag for ref-all pointers.
953 2006-05-25 Richard Guenther <rguenther@suse.de>
956 * fold-const.c (fold_binary): Do not look at the stripped
957 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
959 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
961 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
962 for LT and GT if the computed range is effectively empty.
964 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
967 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
968 mips_quad_format formats instead of ieee_single_format,
969 ieee_double_format and ieee_quad_format formats, respectively.
971 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
973 PR tree-optimization/27639
974 PR tree-optimization/26719
975 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
976 call to scev_probably_wraps_p.
977 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
978 used_in_pointer_arithmetic_p, convert_step): Removed.
979 (nowrap_type_p): New function.
980 (scev_probably_wraps_p): Rewritten.
981 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
982 chrec_convert if chrec_convert_aggressive might have been used.
983 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
984 scev_direction): New functions.
985 (chrec_convert): Changed to a wrapper over chrec_convert_1.
986 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
987 instead of convert_step.
988 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
989 (convert_step): Declaration removed.
990 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
992 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
994 * df-core.c: Added to header comments.
995 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
996 df_ur_bb_info, df_urec_bb_info): Added comments.
997 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
998 urec, ri problems): Fixed header comments.
999 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1000 code from df_rd_transfer_function.
1002 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1004 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1005 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1006 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1008 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1010 * expr.c (undefined_operand_subword_p): New.
1011 (emit_move_multi_word): Do not generate move from undefined bits
1012 of a paradoxical subreg.
1014 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1016 PR rtl-optimization/27736
1017 * combine.c (replaced_rhs_value): New variable.
1018 (combine_instructions): Set it.
1019 (distribute_notes): When distributing a note in replaced_rhs_insn,
1020 check whether the value was used in replaced_rhs_value.
1022 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1025 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1026 add_referenced_var instead of add_referenced_tmp_var.
1027 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1028 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1030 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1031 tree_optimize_tail_calls_1): Use add_referenced_var.
1032 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1033 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1034 Use add_referenced_var.
1035 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1036 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1037 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1038 Use add_referenced_var.
1039 * tree-dfa.c (struct walk_state): Remove.
1040 (find_referenced_vars): Remove walk state and vars_found hash table.
1041 (make_rename_temp): Use add_referenced_var.
1042 (find_vars_r): Pass less parameters to add_referenced_var.
1043 (referenced_var_p): New. Is var in referenced_var hash table.
1044 (referenced_var_insert): Assert var isn't already in hash table.
1045 (add_referenced_var): Don't need walk_state parameter. Add var if it
1046 isn't already in the hash table.
1047 (add_referenced_tmp_var): Remove.
1048 (find_new_referenced_vars_1): Use add_referenced_var.
1049 * tree-ssa-pre.c (create_expression_by_pieces,
1050 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1051 Use add_referenced_var.
1052 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1053 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1054 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1056 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1057 vect_create_data_ref_ptr, vect_create_destination_var,
1058 vect_init_vector, vect_build_loop_niters,
1059 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1060 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1061 Use add_referenced_var.
1062 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1063 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1064 (add_referenced_var): Add prototype.
1065 * tree-ssa-structalias.c (get_constraint_for,
1066 intra_create_variable_infos): Use add_referenced_var.
1068 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1070 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1071 big-endian paradoxical subregs.
1072 * var-tracking.c (struct micro_operation_def): Document that,
1073 for modify micro operations, insn is the subsequent instruction.
1074 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1075 (var_reg_set, var_mem_set): ... new functions.
1076 (add_stores): Record subsequent insn.
1077 (compute_bb_dataflow): Use new functions for MO_USE.
1078 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1079 notes after the insn, and modify notes before the insn known
1080 to be the subsequent one.
1081 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1083 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1086 * config/i386/i386.c (ix86_expand_builtin): Use
1087 gen_sse3_monitor64 for TARGET_64BIT.
1089 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1091 PR rtl-optimization/26375
1092 PR rtl-optimization/26855
1093 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1095 (df_ru_bb_local_compute): Reversed statements and removed bogus
1096 comment explaining why they should be in wrong order.
1097 (df_ru_dump, df_rd_dump): Enhanced debug info.
1098 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1100 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1101 reaching uses and fixed space problem.
1103 2006-05-23 Jan Hubicka <jh@suse.cz>
1105 * cgraphunit.c (decide_is_function_needed): Also nested functions
1106 and functions declared inline can be optimized out at -O0.
1108 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1110 * doc/install.texi (Configuration): Remove reference to CrossGCC
1111 FAQ which was hijacked.
1114 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1117 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1118 ix86_compare_emitted is non-NULL.
1120 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1123 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1126 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1128 PR rtl-optimization/25514
1129 * combine.c (replaced_rhs_insn): New variable.
1130 (combine_instructions): Set replaced_rhs_insn when trying to replace
1131 a SET_SRC with a REG_EQUAL note.
1132 (distribute_notes): Use replaced_rhs_insn when determining the live
1133 range of a REG_DEAD register.
1135 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1136 Anatoly Sokolov <aesok@post.ru>
1138 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1139 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1140 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1141 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1142 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1143 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1144 at90usb647, at90usb1286 and at90usb1287 devices.
1145 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1146 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1148 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1150 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1152 2006-05-22 Richard Guenther <rguenther@suse.de>
1155 2006-01-31 Richard Guenther <rguenther@suse.de>
1156 Paolo Bonzini <bonzini@gnu.org>
1158 * doc/install.texi (--disable-libgcc-math): Document.
1160 2006-05-22 Richard Guenther <rguenther@suse.de>
1163 2006-01-31 Richard Guenther <rguenther@suse.de>
1165 * doc/invoke.texi (-msselibm): Document.
1166 * target.h (expand_library_builtin): New target hook.
1167 * builtins.c (expand_builtin): Use expand_library_builtin.
1168 (default_expand_library_builtin): New function.
1169 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1170 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1171 (link_gcc_math_spec): Declare.
1172 (static_specs): Add link_gcc_math_spec.
1173 * expr.h (default_expand_library_builtin): Declare.
1174 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1175 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1176 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1177 * config/i386/i386.opt (msselibm): New target option.
1178 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1179 (ix86_init_sse_abi_builtins): New function.
1180 (ix86_expand_library_builtin): Likewise.
1181 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1182 (override_options): Handle error conditions wrt -msselibm.
1183 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1184 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1185 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1188 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1191 * c-common.c (self_promoting_args_p): Skip erroneous args.
1194 * c-decl.c (finish_struct): Skip erroneous fields.
1196 2006-05-22 Nick Clifton <nickc@redhat.com>
1198 * config/cris/cris.opt (march): Remove VarExists attribute.
1199 (max-stackframe=): Likewise.
1201 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1203 * doc/rtl.texi: Fix a typo.
1204 * see.c: Fix comment typos.
1206 * tree-ssa-structalias.h (alias_info): Remove num_references.
1208 2006-05-21 Mike Stump <mrs@apple.com>
1210 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1212 (darwin_pragma_options): Use BAD instead.
1213 (darwin_pragma_unused): Likewise.
1214 (darwin_pragma_ms_struct): Likewise.
1216 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1218 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1220 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1222 PR rtl-optimization/27671
1223 * simplify-rtx.c (simplify_relational_operation_1): Fix
1224 simplifications of (eq/ne (xor x y) y) and
1225 (eq/ne (xor x y) x).
1227 PR tree-optimization/26622.
1228 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1231 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1233 * tree-cfg.c: Prune whitespace.
1234 (debug_tree_cfg): Point to correct header containing the
1237 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1240 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1242 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1245 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1246 or sorry count is non zero.
1248 2006-05-20 Andreas Schwab <schwab@suse.de>
1250 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1252 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1253 Kenneth Zadeck <zadeck@naturalbridge.com>
1255 PR rtl-optimization/26855
1257 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1259 (df_scan_alloc): Added code to properly handle multiword hard
1260 registers and add all_blocks parameter.
1261 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1262 code to properly handle multiword hard registers.
1263 (df_rescan_blocks): Added code to remove deleted blocks from
1265 (df_ref_create_structure, df_ref_record): Added code to properly
1267 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1268 and set DF_REF_PARTIAL.
1269 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1270 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1271 (df_scan_add_problem): Added flags parameter.
1272 (df_ref_create_structure): Changed switching structure.
1273 (df_bb_refs_record): Fixed case where duplicate artificial refs
1274 were created. Changed location of flags.
1275 (df_record_entry_block_defs): Added code to make stack pointer
1276 live in entry block. Refined cases where frame pointer is needed.
1277 Changed location of flags.
1278 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1279 (df_set_state): Removed function.
1280 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1281 df_insn_create_insn_record, df_insn_refs_delete,
1282 df_ref_create_structure): Formatting changes.
1283 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1284 df_delete_basic_block): New function.
1285 (df_init): Changed location of flags.
1286 (df_add_problem): Added flags parameter and the way flags are
1288 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1289 debug_df_chain): Improved debugging output.
1290 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1291 (df_refs_chain_dump): Removed df parameter.
1292 (df_iterative_dataflow): Added consistency check.
1293 (df_prune_to_subcfg): Made public.
1294 (df_analyze_problem): Added blocks_to_init parameter and made
1296 (df_ref_record, df_bb_refs_record, df_mark_reg,
1297 df_record_exit_block_uses): Whitespace changes.
1298 (df_dump): Whitespace changes.
1299 * df.h: Some reordering to remove forward references.
1300 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1301 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1302 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1303 (dataflow.flags): New field.
1304 (df.flag): Deleted field.
1305 (df_alloc_function): Added additional bitmap parameter.
1306 (df_dependent_problem_function): New type.
1307 (df_problem.changeable_flags): New field.
1308 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1309 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1310 (df_mw_hardreg): New struct.
1311 (DF_INSN_UID_MWS): New macro.
1312 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1314 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1315 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1316 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1317 (df_set_state): Removed function.
1318 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1319 * df-problems.c (df_chain_dump): Removed df parameter.
1320 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1321 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1323 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1324 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1325 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1326 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1327 DF_REF_MUST_CLOBBER cases.
1328 (df_ru_bb_local_compute_process_def,
1329 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1330 df_lr_bb_local_compute, df_ur_bb_local_compute,
1331 df_chain_create_bb): Made subreg aware.
1332 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1333 df_lr_bb_local_compute, df_lr_bb_local_compute,
1334 df_chain_create_bb): Cleanup to use proper macros.
1335 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1336 code to fixup bitvectors.
1337 (df_ri_alloc): Cleared lifetime.
1338 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1339 df_create_unused_note): New function.
1340 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1341 REG_DEAD and REG_UNUSED notes as well as register information.
1342 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1343 df_chains_dump): Fixed crash if problem was never run.
1344 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1345 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1346 df_ri_add_problem): Processes flags in uniform manner.
1347 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1348 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1349 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1350 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1351 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1352 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1353 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1354 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1355 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1356 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1357 * see.c (see_initialize_data): Ditto.
1358 * final.c (rest_of_clean_state) Added regstack_completed.
1359 * rtl.h (regstack_completed): Ditto.
1360 * reg-stack.c (regstack_completed): Ditto.
1362 2006-05-19 Mike Stump <mrs@apple.com>
1364 * c-tree.h (default_conversion): Remove.
1365 * c-common.h (default_conversion): Add.
1367 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1369 * tree-vrp.c (valid_value_p): New function.
1370 (adjust_range_with_scev): Fail if the value of bound is not
1373 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1375 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1376 (mips_fallback_frame_state): Use syscall numbers to determine
1377 the appropriate li instruction for the current ABI. Only use
1378 __NR_sigreturn for o32.
1380 2006-05-19 Nicolas Setton <setton@adacore.com>
1382 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1383 * langhooks.c (lhd_dwarf_name): New function.
1384 * langhooks-def.h (lhd_dwarf_name): Declare.
1385 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1386 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1387 * ada/misc.c (gnat_dwarf_name): New function.
1388 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1390 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1392 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1394 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1395 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1396 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1397 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1398 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1399 determine the size of Wtype, etc.
1400 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1401 (swfloatfuncs): New variable.
1402 (dwfloatfuncs): Likewise.
1403 (lib2funcs): Remove floating-point conversion functions from
1404 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1405 the set of conversion routines needed. Allow entries to specify
1406 an object name, filename and word size. Update users accordingly.
1407 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1408 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1412 2006-02-08 Roger Sayle <roger@eyesopen.com>
1415 * config/fixtfdi.c: New libgcc source file.
1416 * config/fixunstfdi.c: New source file.
1417 * config/floatditf.c: New source file.
1418 * config/floatunditf.c: New souce file.
1419 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1420 files above instead of config/mips/_tilib.c.
1421 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1423 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1425 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1426 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1428 2006-05-18 Mike Stump <mrs@apple.com>
1430 Fix up vla, vm and [*] sematics.
1436 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1437 (c_vla_unspec_p): Add.
1438 (c_vla_type_p): Add.
1439 * c-decl.c (struct c_scope): Add had_vla_unspec.
1440 (build_array_declarator): Add support for [*].
1441 (grokdeclarator): Likewise.
1442 (grokparms): Likewise.
1443 (get_parm_info): Likewise.
1444 * c-objc-common.c (c_vla_unspec_p): Likewise.
1445 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1446 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1447 typeof when argument is a variably modified type not inside sizeof or alignof.
1448 (c_parser_direct_declarator_inner): Propagate errors.
1449 (c_parser_sizeof_expression): Add support for [*].
1450 (c_parser_parms_declarator): Initialize had_vla_unspec.
1451 (c_parser_parms_list_declarator): Likewise.
1452 * c-typeck.c (c_vla_type_p): Add.
1453 (composite_type): Add support for vla compositing.
1454 (comptypes_internal): Add support for vla compatibility.
1455 (c_expr_sizeof_expr): Evaluate vla arguments.
1456 * tree.c (variably_modified_type_p): Update comment for [*].
1458 2006-05-18 Michael Matz <matz@suse.de>
1461 * config.host: Make assignments to host_xmake_file cumulative.
1462 * config.host (*-darwin*): Test $host, not $target.
1464 2006-05-12 Stuart Hastings <stuart@apple.com>
1466 * config/i386/i386.opt (-mstackrealign): New flag.
1467 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1468 (ix86_handle_cconv_attribute): Emit error when
1469 force_align_arg_pointer attribute collides with too many regparms.
1470 (ix86_function_regparm): Limit regparms when used with
1471 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1472 Support stack-realigning prologue in non-main functions. Emit
1473 warning for nested functions under -mstackrealign, emit error for
1474 nested functions with force_align_arg_pointer attribute.
1475 * doc/extend.texi (force_align_arg_pointer): Document it.
1476 * doc/invoke.texi (-mstackrealign): Document it.
1478 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1480 PR rtl-optimization/27477
1481 * combine.c (try_combine): Don't split a parallel consisting
1482 of two sets into two individual sets if both sets reference
1485 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1487 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1488 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1490 * doc/options.texi (VarExists): Updated.
1492 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1494 * unwind-dw2.c: Add declarations for uw_update_context and
1496 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1497 detected, advance frame state and context once to skip over stub.
1499 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1503 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1504 Call rewrite_into_loop_closed_ssa only when something changed.
1505 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1506 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1507 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1508 Test for perfect_nest_p here. Fix formating.
1509 (replace_uses_equiv_to_x_with_y): Fix formating.
1510 (stmt_uses_op): Removed.
1511 (can_convert_to_perfect_nest): Removed loopivs parameter.
1512 Complete the test by checking the scalar dependences.
1513 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1516 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1519 From Dan Kegel <dank@kegel.com>:
1520 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1522 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1524 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1525 if the element type is variably modified without recursing.
1527 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1530 * tree-loop-linear.c (try_interchange_loops): Test for
1531 no data dependences.
1533 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1535 PR tree-optimization/27548
1536 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1537 range of ssa names that appear on abnormal edges.
1538 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1539 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1541 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1544 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1546 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1549 * tree.h (OMP_PARALLEL_COMBINED): Define.
1550 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1551 (new_omp_context): Add is_combined_parallel argument.
1552 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1553 new_omp_context caller.
1554 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1555 Adjust gimplify_scan_omp_clauses callers.
1556 (omp_is_private): Issue errors if iteration variable is firstprivate
1557 or reduction in the current context.
1558 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1559 on combined parallel workshare constructs.
1561 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1563 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1564 (gcc-options.o): New rule.
1566 * optc-gen.awk: Protect variables for gcc-options.o with
1567 #ifdef GCC_DRIVER/#endif.
1569 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1571 Fix PR tree-optimization/27373
1572 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1573 (forward_propagate_addr_expr): Update call.
1575 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1577 * doc/options.texi: Move the Negative option.
1579 2006-05-16 Richard Guenther <rguenther@suse.de>
1581 PR tree-optimization/22303
1582 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1584 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1585 ccp_fold did not simplify the statement.
1587 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1590 * Makefile.in (GCC_OBJS): New.
1591 (OBJS-common): Add opts-common.o.
1592 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1593 (cpp$(exeext)): Likewise.
1594 (gcc.o): Also depend on opts.h.
1595 (opts-common.o): New.
1597 * common.opt (gcoff): Add Negative(gdwarf-2).
1598 (gdwarf-2): Add Negative(gstabs).
1599 (gstabs): Add Negative(gstabs+).
1600 (gstabs+): Add Negative(gvms).
1601 (gvms): Add Negative(gxcoff).
1602 (gxcoff): Add Negative(gxcoff+).
1603 (gxcoff+): Add Negative(gcoff).
1604 * config/i386/i386.opt (m32): Add Negative(m64).
1605 (m64): Add Negative(m32).
1607 * doc/options.texi: Document the Negative option.
1609 * gcc.c: Include "opts.h".
1610 (main): Call prune_options after expandargv.
1612 * optc-gen.awk: Generate common declarations for all flag
1613 variables in options.c. Output the neg_index field.
1615 * opts.c (find_opt): Moved to ...
1616 * opts-common.c: Here. New file.
1618 * opts.h (cl_option): Add a neg_index field.
1620 (prune_options): Likewise.
1622 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1625 * omp-low.c (expand_omp_parallel): Don't assert
1626 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1627 instead search for it.
1630 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1633 2006-05-16 Andreas Schwab <schwab@suse.de>
1635 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1638 2006-05-15 Roger Sayle <roger@eyesopen.com>
1641 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1642 integer constants other than zero are only legitimate on TARGET_64BIT.
1643 <CONST_VECTOR> Only zero vectors are legitimate.
1644 (ix86_cannot_force_const_mem): Integral and vector constants can
1645 always be put in the constant pool.
1647 2006-05-16 DJ Delorie <dj@redhat.com>
1649 * crtstuff.c (__dso_handle): Set section from
1650 TARGET_LBIGCC_SDATA_SECTION if defined.
1651 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1652 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1654 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1657 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1660 2006-05-16 Ben Elliston <bje@au.ibm.com>
1662 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1664 2006-05-15 Per Bothner <per@bothner.com>
1666 * tree.c: (last_annotated_node): Use source_locus typedef.
1667 This permits bootstrapping with --enable-mapped-location.
1669 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1671 PR tree-optimization/26830
1672 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1673 (info_for_ssa_name, current_info_for_ssa_name_age,
1674 blocks_to_update): New variables.
1675 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1676 (clear_ssa_name_info, initialize_flags_in_bb,
1677 mark_block_for_update): New functions.
1678 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1679 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1680 prepare_def_site_for): Use mark_block_for_update.
1681 (mark_def_interesting): Assert that the processed block is marked in
1682 blocks_to_update. Do not take blocks argument.
1683 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1685 (rewrite_update_init_block, rewrite_update_stmt): Only process
1686 blocks with statements to rewrite.
1687 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1688 (update_ssa): Initialize and free blocks_to_update. Do not
1689 clear flags on statements. Do not use blocks bitmap.
1690 * tree.h (SSA_NAME_AUX): Removed.
1691 (struct tree_ssa_name): Removed aux field.
1692 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1694 2006-05-15 Richard Guenther <rguenther@suse.de>
1696 PR tree-optimization/27603
1697 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1698 Do computations in original type.
1700 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1702 * see.c: Code style changes such as redundant paranthesis,
1703 redundant intialization of local variables etc.
1704 (see_main): Declared now as static.
1705 * doc/invoke.texi: Update that -fsee is not enabled by
1708 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1710 * omp-low.c (check_omp_nesting_restrictions): New function.
1711 (scan_omp_1): Call it.
1714 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1715 construct, return *VAR.
1717 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1719 PR rtl-optimization/27406
1720 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1723 2006-05-14 Roger Sayle <roger@eyesopen.com>
1725 PR rtl-optimization/27538
1726 * combine.c (expand_compound_operation): Call gen_lowpart
1727 before calling simplify_shift_const.
1729 2006-05-14 Roger Sayle <roger@eyesopen.com>
1731 PR rtl-optimization/22563
1732 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1733 a fixed width bitfield, always force the intermediates into psuedos.
1735 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1738 * mkconfig.sh: Use operator = instead of == for test.
1740 2006-05-13 Nick Clifton <nickc@redhat.com>
1742 * dwarf2out.c (dbx_reg_number): Check return value from
1743 LEAF_REG_REMAP and only use it if it is valid.
1744 (multiple_reg_loc_descriptor): Likewise.
1746 2006-05-13 Richard Guenther <rguenther@suse.de>
1748 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1751 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1753 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1754 information attached to non-INSNs such as NOTEs.
1755 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1757 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1759 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1761 * config/s390/s390.md: Adjust comment describing On constraint.
1763 2006-05-11 Jan Hubicka <jh@suse.cz>
1765 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1766 to be output at -O0.
1768 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1771 * fold-const.c (size_binop): Move sanity check for arguments to
1772 the beginning of the function.
1775 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1778 2006-05-11 Richard Guenther <rguenther@suse.de>
1781 * fold-const.c (fold_unary): Handle intermediate conversion
1782 to a pointer type like intermediate conversion to an integer
1783 type in folding of (T1)(T2)var to var.
1784 Match the code to the comment in the final conversion for
1785 (T1)(T2)var to (T1)var regarding to type precision. Rather
1786 than disallow T1 being of pointer type, assert that both T1
1787 and var are of pointer type or not. Make sure not to fall
1788 over the frontends lazyness wrt array to pointer decay though.
1790 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1792 * arm.c (arm_struct_value_rtx): Delete.
1793 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1794 (arm_init_cumulative_args): Always initialize nregs to zero.
1796 2006-05-10 Richard Guenther <rguenther@suse.de>
1798 PR tree-optimization/27532
1799 * tree-object-size.c (plus_expr_object_size): Fix typo.
1801 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1804 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1805 ashrdi_const, ashrdi3): Use a scratch register.
1807 2006-05-10 Richard Guenther <rguenther@suse.de>
1809 PR tree-optimization/27302
1810 * fold-const.c (operand_equal_p): For two comparisons,
1811 try comparison of one comparison code swapped if that yields
1814 2006-05-10 Ben Elliston <bje@au.ibm.com>
1816 * tree-pretty-print.c (pretty_print_string): No need to handle
1817 '\0' as a special character.
1819 * tree.h: Include "hashtab.h".
1820 (iterative_hash_expr): Use hashval_t in its prototype.
1821 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1823 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1826 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1827 (hppa*64*-*-hpux11*): Ditto.
1828 (hppa[12]*-*-hpux11*): Ditto.
1830 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1833 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1835 2006-05-09 Michael Matz <matz@suse.de>
1837 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1838 host_extra_gcc_objs and host_xmake_file.
1839 (<*-*-linux*>): Don't overwrite host_xmake_file.
1840 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1841 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1842 (host_detect_local_cpu): Declare.
1843 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1844 * config/i386/i386.c (override_options): Handle -mtune=native
1846 * config/i386/x-i386: New file.
1847 * config/i386/driver-i386.c: New file.
1848 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1851 2006-05-09 Dirk Mueller <dmueller@suse.de>
1852 Richard Guenther <rguenther@suse.de>
1855 * fold-const.c (fold_read_from_constant_string): Relax check
1856 for matching types to matching modes.
1858 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1860 PR rtl-optimization/27335
1861 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1864 2006-05-08 Chao-ying Fu <fu@mips.com>
1865 Richard Sandiford <richard@codesourcery.com>
1867 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1868 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1869 * config/mips/mips.md (UNSPEC_SCC): New constant.
1870 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1871 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1872 (mips_emit_compare): Use it.
1873 (mips_expand_vcondv2sf): New function.
1875 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1877 Fix PR tree-optimization/27093
1878 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1879 renaming when they become not-used_alone.
1881 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1883 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1884 relocation and relocation stubs.
1886 2006-05-08 Eric Christopher <echristo@apple.com>
1888 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1891 2006-05-08 Jan Hubicka <jh@suse.cz>
1894 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1895 unused static functions are needed.
1897 2006-05-08 Roger Sayle <roger@eyesopen.com>
1900 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1901 of a reg_equiv_constant if the result is a legitimate constant.
1903 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1906 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1907 standard 80387 constants, raise the cost to prevent
1908 compress_float_constant() to generate load from memory.
1910 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1912 * config/arm/constraints.md (c): Fix a typo.
1914 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1917 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1920 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1922 (_mm_mwait): Likewise.
1924 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1926 (sse3_monitor): Make it 32bit only.
1927 (sse3_monitor64): New. 64bit monitor.
1929 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1932 * config/i386/i386.c (classify_argument): Skip fields with invalid
1935 2006-05-07 Richard Guenther <rguenther@suse.de>
1937 PR tree-optimization/27409
1938 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1939 Do not try to find zero-sized subvars.
1941 2006-05-07 Richard Guenther <rguenther@suse.de>
1943 PR tree-optimization/27136
1944 * tree-ssa-loop-niter.c (get_val_for): Correct function
1945 comment, assert requirements.
1946 (loop_niter_by_eval): Stop processing if the iterated
1947 value did not simplify.
1949 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1951 * opts.c (flag_see): remove its setting at -O3.
1953 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1955 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1956 * arm/constraints.md: New file.
1957 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1958 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1959 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1960 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1961 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1962 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1963 * arm.md: Include constraints.md.
1964 (thumb_movsi_insn): Use satisfies_constraint_J.
1965 (movhi, movqi): Use satisfies_constraint_I.
1967 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1969 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1970 for atmeg a645 device.
1972 2006-05-06 Richard Guenther <rguenther@suse.de>
1974 PR tree-optimization/27151
1975 * tree-vect-transform.c (vectorizable_condition): Punt on
1976 values that have a different type than the condition.
1978 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1981 * c-parser.c (c_parser_cast_expression): Only insert casts into
1982 hash table if pointer.
1983 * function.c (used_types_insert_helper): Rename from
1985 (used_types_insert): Call used_types_insert_helper.
1986 * function.h (used_types_insert): Accept only one argument.
1988 2006-05-05 David Edelsohn <edesohn@gnu.org>
1990 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1991 scratch with output modifier.
1993 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1996 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1997 with output modifier.
1999 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2002 * config/mips/mips.c (mips_symbolic_address_p): Return true
2003 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2004 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2006 2006-05-04 Richard Guenther <rguenther@suse.de>
2008 PR tree-optimization/14287
2009 PR tree-optimization/14844
2010 PR tree-optimization/19792
2011 PR tree-optimization/21608
2012 PR tree-optimization/27090
2013 * tree-ssa-pre.c (try_combine_conversion): New function.
2014 (compute_avail): After constructing the value-handle
2015 expression, use try_combine_conversion to combine NOP_EXPRs
2016 with previous value-handle expressions and use the result if it
2019 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2021 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2023 2006-05-04 Jan Hubicka <jh@suse.cz>
2026 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2028 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2030 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2031 that this only matches CONST_INTs. All users changed to VOIDmode
2034 * config/bfin/bfin.c: Include "optabs.h".
2035 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2037 (enum bfin_builtins): Add a number of fractional and vector builtins.
2038 (bfin_init_builtins): Likewise.
2039 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2040 (safe_vector_operand, bfin_expand_binop_builtin,
2041 bfin_expand_unop_builtin): New functions.
2042 (bfin_expand_builtin): Handle the new builtins.
2043 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2046 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2049 * Makefile.in (OBJS-common): Add see.o.
2050 (see.o): Add dependencies.
2051 * common.opt (fsee): New flag for the see optimization was added.
2052 * opts.c (flag_see): Initialized.
2053 * passes.c (init_optimization_passes, pass_see): New pass.
2054 * rtl.h (see_main): Declaration as extern.
2055 * timevar.def (TV_SEE): New.
2056 * tree-pass.h (pass_see): Declaration as extern.
2057 * invoke.texi (-fsee): Document.
2058 * recog.c (validate_simplify_insn): New function.
2059 * recog.h (validate_simplify_insn): Declaration as extern.
2060 * df-problems.c (df_chain_dump): Check for NULL.
2062 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2063 Daniel Berlin <dberlin@dberlin.org>
2065 * cfgrtl.c (insert_insn_bb_end_new): New function.
2066 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2068 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2070 * df.h (struct web_entry): Moved from web.c.
2071 (union_defs): Declaration as extern.
2072 (unionfind_root): Likewise.
2073 (unionfind_union): Likewise.
2074 * web.c (struct web_entry): Moved to df.h.
2075 (unionfind_root): Remove static declaration.
2076 (unionfind_union): Likewise.
2077 (union_defs): Likewise and generalize to use callback function.
2078 (web_main): Update arguments for union_defs function call.
2080 2006-05-04 Richard Guenther <rguenther@suse.de>
2082 PR tree-optimization/26447
2083 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2084 produce SSA_NAME copies before the store stmt to avoid
2085 breaking exception handling.
2087 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2090 * gimplify.c (omp_is_private): If var is shared in some outer context,
2091 return false instead of true. Stop searching on parallel context
2094 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2097 * coverage.c: Use get_gcov_unsigned_t() instead of
2098 unsigned_type_node all over.
2100 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2102 PR tree-optimization/27381
2103 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2104 maintain the same immediate_use links.
2105 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2106 node rather than segfaulting.
2108 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2111 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2112 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2113 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2115 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2117 Fix PR tree-optimization/26626
2118 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2120 * tree-ssa-operands.c (access_can_touch_variable): Allow
2121 typecasting through union pointers.
2123 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2126 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2127 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2128 to find if var will be a global variable even in the nested context.
2129 (omp_copy_decl): Only check for global variable at the end, it might
2130 be overridden in outer contexts.
2131 (scan_sharing_clauses): For global variables don't create a field.
2132 (lower_rec_input_clauses): Do nothing for global shared variables.
2133 Emit a barrier at the end of ILIST if there were any decls in both
2134 firstprivate and lastprivate clauses.
2135 (lower_send_clauses): Do nothing for global variables except for
2138 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2140 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2141 of the correct signedness is returned.
2143 2006-05-02 Jeff Law <law@redhat.com>
2145 PR tree-optimization/27364
2146 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2147 multiply expressions.
2149 2006-05-02 Tom Tromey <tromey@redhat.com>
2151 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2153 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2156 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2157 -mthumb -fPIC are used.
2159 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2160 Joshua Kinard <kumba@gentoo.org>
2163 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2164 with 64-bit pointers.
2166 2006-05-02 Paul Brook <paul@codesourcery.com>
2168 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2170 (create_fix_barrier): Check that a suitable barrier location is
2172 (arm_reorg): Include ftmp->address in allowable range of addresses.
2174 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2177 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2180 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2183 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2184 around RESULT_DECL for result passed by reference.
2185 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2186 * omp-low.c (use_pointer_for_field): Don't look at
2187 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2188 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2189 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2190 time or var for passing by reference for
2191 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2192 TREE_ADDRESSABLE variables when passing by reference.
2194 * omp-low.c (dump_omp_region): Fix output formatting.
2197 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2198 (expand_omp_parallel): Likewise.
2199 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2202 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2203 on statement list containing also constructors and destructors.
2204 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2207 * except.c (duplicate_eh_regions): Fix clearing of
2208 cfun->eh->region_array entries.
2210 2006-05-01 DJ Delorie <dj@redhat.com>
2212 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2214 (gcc_cv_objdump): Likewise.
2215 * configure: Regenerated.
2217 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2220 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2221 templates for case 3 and 4.
2223 2006-05-01 DJ Delorie <dj@redhat.com>
2225 * vec.c: Include bconfig.h when appropriate.
2226 * Makefile.in (build/vec.o): Adjust dependencies.
2227 * mkconfig.sh: Make sure config.h isn't used for build machine
2230 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2232 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2234 (mark_phi_for_rewrite): New function.
2235 (insert_phi_nodes_for, mark_use_interesting): Call
2236 mark_phi_for_rewrite.
2237 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2238 (update_ssa): Initialize and free phis_to_rewrite.
2240 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2242 PR rtl-optimization/27291
2243 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2244 folded to a constant.
2246 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2248 PR tree-optimization/27283
2249 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2250 not whole # of iteration descriptions.
2251 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2252 uses abnormal ssa name.
2253 (niter_for_single_dom_exit): Ditto.
2254 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2255 return just the number of iterations.
2257 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2259 PR tree-optimization/27144
2260 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2261 (record_estimate): Only record constant upper bound.
2262 (infer_loop_bounds_from_undefined): Call
2263 compute_estimated_nb_iterations just once.
2264 (proved_non_wrapping_p): Renamed to ...
2265 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2266 (convert_step_widening, scev_probably_wraps_p): Call
2267 n_of_executions_at_most instead of proved_non_wrapping_p.
2268 (substitute_in_loop_info): Do not replace values in bounds.
2269 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2272 2006-05-01 Richard Henderson <rth@redhat.com>
2275 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2276 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2279 2006-05-01 Roger Sayle <roger@eyesopen.com>
2281 * c-typeck.c (parser_build_binary_op): Don't call the function
2282 unsigned_conversion_warning to spot operand/result type overflow.
2283 (build_binary_op): Instead, call convert_and_check instead of
2284 convert to report the problem when the operands are promoted.
2285 * c-common.c (unsigned_conversion_warning): Make static.
2286 * c-common.h (unsigned_conversion_warning): Delete prototype.
2288 2006-05-01 Richard Guenther <rguenther@suse.de>
2290 PR tree-optimization/26726
2291 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2293 (find_interesting_uses_address): ... we work around here
2294 by folding INDIRECT_REFs in the substituted base.
2296 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2298 * omp-low.c (dump_omp_region): Add newlines.
2300 2006-04-30 Roger Sayle <roger@eyesopen.com>
2302 * common.opt (Woverflow): New command line option.
2303 * c-common.c (constant_expression_warning): Check warn_overflow.
2304 (overflow_waring): Pass OPT_Woverflow to warning.
2305 (unsigned_conversion_warning): Likewise.
2306 (convert_and_check): Likewise.
2307 * doc/invoke.texi: Document new command line option.
2309 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2311 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2312 TARGET_NO_FP_IN_TOC for section anchors.
2313 (optimization_options): Enable section anchors for all
2314 non-"Objective" languages.
2316 2006-04-28 Eric Christopher <echristo@apple.com>
2318 * config/darwin-c.c (darwin_ms_struct): Move this
2319 (darwin_set_default_type_attributes): and this...
2320 * config/darwin.c: ... here.
2321 * config/darwin.h (darwin_ms_struct): Declare.
2323 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2325 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2327 2006-04-28 Roger Sayle <roger@eyesopen.com>
2330 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2331 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2332 an unsigned HOST_WIDE_INT.
2333 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2335 (really_start_incremental_init): No need to call convert because
2336 bitsize_zero_node is already of type bitsizetype.
2337 (push_init_level): Extract the value of constructor_index as an
2338 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2339 (process_init_element): Likewise.
2341 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2343 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2344 value before passing to make_relative_prefix.
2346 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2349 * builtins.c (expand_builtin_memset): Expand val in original mode.
2351 2006-04-27 Eric Christopher <echristo@apple.com>
2353 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2354 with #ifndef/#endif.
2355 * config/darwin-c.c (darwin_ms_struct): New.
2356 (darwin_pragma_ms_struct): Ditto.
2357 (darwin_set_default_type_attributes): Ditto.
2358 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2359 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2360 Register ms_struct pragma.
2361 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2362 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2363 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2364 darwin_set_default_type_attributes if TARGET_MACHO.
2366 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2368 PR tree-optimization/26854
2369 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2370 * doc/tree-ssa.texi: Update immuse iterator documentation.
2371 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2372 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2373 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2374 first_safe_imm_use, next_safe_imm_use): Remove.
2375 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2376 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2377 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2378 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2379 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2380 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2381 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2382 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2383 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2384 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2385 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2386 (perfect_nestify): Use new iterator.
2387 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2389 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2390 (next_imm_name): New field in struct immediate_use_iterator_d.
2391 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2392 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2393 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2394 * tree-cfg.c (replace_uses_by): Use new iterator.
2395 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2396 * tree-ssa-operands.c (correct_use_link): Remove.
2397 (finalize_ssa_use_ops): No longer call correct_use_link.
2399 2006-04-27 Stuart Hastings <stuart@apple.com>
2401 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2402 * config/t-darwin (crt3.o): Use it.
2403 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2404 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2405 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2406 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2407 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2410 2006-04-27 Roger Sayle <roger@eyesopen.com>
2412 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2413 size, force the intermediate into a new pseudo rather instead of
2414 performing both a bitwise AND and a bitwise IOR in memory.
2416 2006-04-27 Richard Guenther <rguenther@suse.de>
2418 PR rtl-optimization/26685
2419 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2420 this one "max-flow-memory-locations".
2422 2006-04-27 Richard Guenther <rguenther@suse.de>
2424 PR tree-optimization/25148
2425 * tree-vrp.c (compare_values): Remove code dealing with
2426 comparisons against type min/max value. Honour overflow
2427 and negative constants in code dealing with comparisons
2428 of plus and minus expressions.
2429 (value_inside_range): Use fold_binary with LE_EXPR and
2430 GE_EXPR rather than compare_values.
2432 2006-04-27 Dirk Mueller <dmueller@suse.de>
2434 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2437 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2439 * basic-block.h (safe_insert_insn_on_edge): Removed.
2440 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2442 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2443 Paolo Bonzini <bonzini@gnu.org>
2446 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2447 (simplify_and_const_int): Same.
2449 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2451 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2453 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2456 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2457 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2458 cgraph_global_info_ready.
2461 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2464 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2465 either decl or init is error_mark_node.
2468 * tree-flow.h (struct omp_region): Add sched_kind.
2469 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2470 instead of extracting omp for data.
2471 (expand_omp_for): Save extracted sched_kind.
2473 2006-04-25 Roger Sayle <roger@eyesopen.com>
2475 * expmed.c (store_bit_field): Also check whether the bitsize is
2476 valid for the machine's "insv" instruction before moving the
2477 target into a pseudo for use with the insv.
2478 * config/i386/predicates.md (const8_operand): New predicate.
2479 * config/i386/i386.md (extv, extzv, insv): Use the new
2480 const8_operand predicate where appropriate.
2482 2006-04-25 DJ Delorie <dj@redhat.com>
2484 * doc/install.texi (Specific): Clarify that this is not a list of
2485 supported hosts or targets.
2487 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2489 PR rtl-optimization/26725
2490 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2491 block's BB_DIRTY flag.
2493 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2495 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2498 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2499 to print an integer.
2501 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2503 * varasm.c (align_variable): New function.
2504 (get_block_for_decl): Apply align_variable to DECL before
2505 calculating section information.
2506 (assemble_variable): Split out alignment computation.
2508 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2510 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2513 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2515 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2516 MODE_PARTIAL_INT mode.
2517 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2518 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2520 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2521 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2523 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2525 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2527 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2528 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2529 MACFLAG_IH): Likewise.
2530 (movstricthi_1): Renamed from "*movstricthi".
2531 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2532 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2533 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2534 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2535 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2536 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2537 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2538 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2539 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2540 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2541 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2542 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2543 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2544 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2545 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2547 * doc/rtl.texi (ss_ashift): Improve wording.
2549 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2551 * dwarf2out.c (verify_marks_clear): New.
2552 (prune_unused_types): Call verify_marks_clear initially, not
2555 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2557 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2558 * doc/rtl.texi: Document them.
2559 * simplify-rtx.c (simplify_unary_operation,
2560 simplify_binary_operation_1): Don't abort when we see them.
2562 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2565 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2566 * configure.ac: Completely disregard languages that are not
2568 * configure: Regenerated.
2570 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2571 Richard Guenther <rguenther@suse.de>
2573 PR tree-optimization/27236
2574 * tree-inline.c (copy_body_r): Make sure to copy
2575 TREE_THIS_VOLATILE flag.
2577 2006-04-24 Richard Guenther <rguenther@suse.de>
2580 * tree-complex.c (update_parameter_components): Don't handle
2581 unused parameters which have no default def.
2583 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2584 Richard Guenther <rguenther@suse.de>
2586 PR tree-optimization/27218
2587 * tree-inline.c (expand_call_inline): Strip useless type
2588 conversions for the return slot address.
2590 2006-04-24 Richard Guenther <rguenther@suse.de>
2592 * cfgloop.h (struct loops): Remove unused field array. Reorder
2594 (LOOP_PREFETCH): Remove.
2596 2006-04-24 Richard Guenther <rguenther@suse.de>
2598 PR tree-optimization/22525
2599 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2600 variable, adjust types of generated expressions.
2602 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2604 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2605 (tree-vect-patterns.o): Likewise.
2607 (cselib.o): Likewise.
2608 (loop-doloop.o): Likewise.
2609 (regclass.o): Likewise.
2610 (reload1.o): Likewise.
2611 (explow.o): Replace target.h with $(TARGET_H).
2612 (ipa-prop.o): Likewise.
2613 (ipa-cp.o): Likewise.
2614 (ipa-inline.o): Likewise.
2615 (reorg.o): Likewise.
2616 (reg-stack.o): Likewise.
2618 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2620 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2622 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2624 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2626 * configure.ac: Completely disregard languages that are not
2628 * configure: Regenerated.
2631 * c-common.h (c_build_bitfield_integer_type): Declare.
2632 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2633 * c-common.c (c_build_bitfield_integer_type): ... here.
2635 2006-04-23 Roger Sayle <roger@eyesopen.com>
2638 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2639 a SImode SUBREG of a floating point register after no_new_pseudos.
2641 2006-04-23 Roger Sayle <roger@eyesopen.com>
2643 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2644 identify potentially eliminable registers to additionally catch
2645 VIRTUAL_INCOMING_ARGS_REGNUM.
2646 (addsi3): Update the conditions on when to use addsi_small_int.
2648 2006-04-23 Roger Sayle <roger@eyesopen.com>
2651 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2652 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2653 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2655 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2657 * fold-const.c (range_predecessor): Use operand_equal_p
2658 as the predicate for equality.
2659 (range_successor): Likewise.
2661 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2664 * config/soft-fp/op-common.h: Fix a typo.
2666 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2669 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2670 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2672 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2674 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2676 * doc/tm.texi: Fix a typo.
2678 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2680 * dwarf2out.c (struct die_struct): Document that die_sib makes
2681 a circular linked list.
2682 (FOR_EACH_CHILD): New.
2683 (reverse_die_lists): Delete.
2684 (reverse_all_dies): Delete.
2685 (add_dwarf_attr): Correct documentation.
2686 (remove_child_with_prev): New.
2687 (remove_child_TAG): Update for change to die_struct, use
2688 remove_child_with_prev.
2689 (add_child_die): Update for change to die_struct.
2690 (splice_child_die): Use remove_child_with_prev and add_child_die.
2691 (print_die): Use FOR_EACH_CHILD.
2692 (die_checksum): Likewise.
2693 (assign_symbol_names): Likewise.
2694 (output_location_lists): Likewise.
2695 (build_abbrev_table): Likewise.
2696 (calc_die_sizes): Likewise.
2697 (mark_dies): Likewise.
2698 (unmark_dies): Likewise.
2699 (unmark_all_dies): Likewise.
2700 (output_die): Likewise.
2701 (prune_unused_types_mark): Likewise.
2702 (prune_unused_types_walk): Likewise.
2703 (same_die_p): Update for change to die_struct.
2704 (break_out_includes): Likewise.
2705 (prune_unused_types_prune): Likewise.
2706 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2707 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2709 (dwarf2out_finish): Don't call reverse_all_dies.
2711 2006-04-21 Eric Christopher <echristo@apple.com>
2713 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2714 in comments and function names.
2716 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2719 * c-typeck.c (digest_init): Robustify.
2721 * c-typeck.c (pop_init_level): Simplify.
2723 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2725 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2727 2006-04-21 Paul Brook <paul@codesourcery.com>
2729 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2730 hardware floating point.
2732 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2734 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2737 2006-04-21 Nick Clifton <nickc@redhat.com>
2739 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2742 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2745 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2746 C++ lang type in traceback table for Objective-C++.
2748 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2750 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2752 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2754 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2757 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2758 were errors. Remove check for erroneous objects.
2760 2006-04-20 Jeff Law <law@redhat.com>
2762 PR tree-optimization/26854
2763 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2764 checking for zero or one use.
2765 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2766 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2767 * tree-ssa-reassoc.c (negate_value): Similarly.
2768 (reassociate_bb): Similarly.
2770 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2772 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2773 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2774 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2776 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2778 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2779 fp regs if the last fp arg doesn't fit in regs.
2781 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2784 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2785 that the last insn has the REG_INC note.
2787 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2788 Nathan Sidwell <nathan@codesourcery.com>
2791 * stor-layout.c (update_alignment_for_field): Do not align
2793 (place_union_field): Place union field at the start of the union.
2794 (place_field): Move ERROR_MARK check later, and use the current
2795 allocation position to maintain monotonicity.
2797 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2799 * dominance.c: Include timevar.h.
2800 (calculate_dominance_info): Use TV_DOMINANCE.
2801 * timevar.def (TV_DOMINANCE): New timevar.
2802 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2804 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2806 PR rtl-optimization/14261
2807 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2808 move would be an INSV insn.
2809 (noce_process_if_block): Don't optimize if the destination is a
2810 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2812 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2814 * config/s390/s390.md: Add comments with the instructions emitted
2815 by an insn pattern if macros are used.
2817 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2819 PR rtl-optimization/26026
2820 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2821 is a known power of two shifted left a variable amount.
2823 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2825 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2826 to hash table twice when the debug_str section has SECTION_MERGE.
2828 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2830 * config/soft-fp: New directory. From glibc.
2831 * config/soft-fp/t-softfp: New.
2832 * config/soft-fp/README: New.
2833 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2834 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2835 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2836 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2837 * config.gcc: Use rs6000/t-fprules-fpbit or
2838 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2840 * config/rs6000/sfp-machine.h: New. Based on glibc.
2841 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2843 * config/rs6000/t-fprules: Remove fp-bit rules.
2844 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2845 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2846 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2847 (softfp_wrap_start, softfp_wrap_end): New.
2849 2006-04-18 DJ Delorie <dj@redhat.com>
2851 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2853 2006-04-18 Devang Patel <dpatel@apple.com>
2855 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2857 2006-04-18 Nick Clifton <nickc@redhat.com>
2859 * config/sh/t-symbian: Add rule to build sh-c.o
2860 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2861 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2862 (sh_symbian_encode_section_info): Likewise.
2864 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2866 * builtins.c (expand_builtin_strcmp): Cover label definition of
2867 do_libcall with HAVE_cmpstrnsi.
2869 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2871 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2873 * function.h (temp_slot_p): New.
2874 (function): Change the type of x_used_temp_slots to
2875 VEC(temp_slot_p,gc) *.
2877 2006-04-18 Nick Clifton <nickc@redhat.com>
2879 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2880 flag_strength_reduce.
2882 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2884 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2888 Partial revert of revision 112637
2889 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2890 Dale Johannesen <dalej@apple.com>
2893 * regclass.c (struct reg_pref): Update documentation.
2894 (regclass): Set prefclass to NO_REGS if memory is the best option.
2895 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2897 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2899 PR tree-optimization/26821
2900 * tree-ssa-math-opts.c (get_constant_one): New.
2901 (insert_reciprocals): Use it.
2903 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2905 * dwarf2out.c (free_AT): Delete.
2906 (remove_AT): Update string ref counts.
2907 (remove_child_TAG): Don't call free_die.
2909 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2910 or DW_TAG_GNU_EINCL.
2911 (prune_unused_types_walk_attribs): Reset string refcounts.
2912 (prune_unused_types_update_strings): New.
2913 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2914 call free_die. Do call prune_unused_types_update_strings.
2915 (prune_unused_types): Empty debug_str_hash.
2917 2006-04-17 Roger Sayle <roger@eyesopen.com>
2919 * expr.c (expand_assignment): Optimize away no-op moves where the
2920 source and destination are equal and have no side-effects.
2922 2006-04-17 Richard Guenther <rguenther@suse.de>
2925 * reload.c (push_reload): Guard calls to get_secondary_mem
2928 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2930 * alias.c (reg_base_value, old_reg_base_value): Change the
2931 type to VEC(rtx,gc) *.
2932 (REG_BASE_VALUE, find_base_value, record_set,
2933 init_alias_analysis): Use VEC instead of VARRAY.
2935 * alias.c (alias_sets): Change the type to
2936 VEC(alias_set_entry,gc) *.
2937 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2938 VEC instead of VARRAY.
2939 (last_alias_set): Remove.
2941 * cgraph.h (cgraph_edge_p): New.
2942 Update the prototype of cgraph_function_versioning.
2943 * cgraphunit.c (cgraph_copy_node_for_versioning,
2944 cgraph_function_versioning): Use VEC instead of VARRAY.
2945 * ipa-cp.c (ipcp_insert_stage): Likewise.
2947 2006-04-16 Roger Sayle <roger@eyesopen.com>
2950 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2951 "A op B" or "A op C", we may need to convert A to the type of B and C.
2953 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2955 * target.h (struct gcc_target): Add mode_rep_extended.
2956 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2957 (init_num_sign_bit_copies_in_rep): Initialize it using
2959 (truncate_to_mode): Use it.
2960 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2961 * targhooks.h (default_mode_rep_extended): Declare it.
2962 * targhooks.c (default_mode_rep_extended): Define it.
2963 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2964 default_mode_rep_extended.
2965 (TARGET_INITIALIZER): Include it.
2966 * doc/tm.texi (Misc): Document it.
2967 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2968 (mips_truncated_to_mode): New function.
2970 2006-04-16 Roger Sayle <roger@eyesopen.com>
2973 * expr.c (compress_float_constant): Copy the narrow constant into
2974 a new pseudo before extending it to its final width.
2976 2006-04-16 Roger Sayle <roger@eyesopen.com>
2977 Andrew Pinski <pinskia@gcc.gnu.org>
2978 Dale Johannesen <dalej@apple.com>
2981 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2982 special case code to implement V8HImode and V16QImode with SSE2.
2984 2006-04-15 Roger Sayle <roger@eyesopen.com>
2986 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2987 trees are constructed with a suitable tree type.
2989 2006-04-15 Roger Sayle <roger@eyesopen.com>
2991 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2992 (integer_onep): Likewise.
2993 (integer_all_onesp): Likewise.
2994 (integer_pow2p): Likewise.
2995 (integer_nonzerop): Likewise.
2996 (real_zerop): Likewise.
2997 (real_onep): Likewise.
2998 (real_twop): Likewise.
2999 (real_minus_onep): Likewise.
3000 (int_size_in_bytes): Likewise.
3001 (host_integerp): Likewise.
3003 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3005 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3006 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3007 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3009 * tree-ssa-structalias.h (alias_info): Remove num_references.
3011 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3013 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3014 (output_bvb patterns): Likewise.
3015 * pa.c (output_bb): Use 'bb' insn for long branch case.
3016 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3017 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3018 1. Correct length operand for alternatives 1 and 2.
3019 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3020 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3022 2006-04-14 Roger Sayle <roger@eyesopen.com>
3024 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3025 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3026 were accidentally reverted by r112959.
3028 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3031 * except.h (eh_region_outermost): New prototype.
3032 * except.c (eh_region_outermost): New function.
3033 * tree-cfg.c (find_outermost_region_in_block): Use it.
3035 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3037 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3039 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3040 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3041 (init_reload, reload): Use VEC instead of VARRAY.
3042 * reload.h: Update the prototype for
3043 reg_equiv_memory_loc_varray.
3045 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3046 Eric Botcazou <ebotcazou@libertysurf.fr>
3048 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3051 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3054 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3055 to expand fallback builtin function call.
3057 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3060 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3061 and emit libcall here in case the builtin fails.
3062 (expand_builtin_strcmp): Always emit the libcall here on failure.
3064 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3066 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3067 * flow.c (reg_n_info): Change the type to
3068 VEC(reg_info_p,heap) *.
3069 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3071 * regs.h (reg_info_p): New.
3072 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3073 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3074 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3077 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3079 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3081 * params.h (MAX_SCHED_READY_INSNS): New macro.
3082 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3083 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3084 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3085 the ready list for 1 cycle during the first scheduling pass.
3086 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3088 2006-04-13 Richard Henderson <rth@redhat.com>
3091 * gimple-low.c (lower_omp_directive): Remove dead code.
3092 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3093 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3094 * omp-low.c (struct omp_region): Move to tree-flow.h.
3095 (root_omp_region): Export.
3096 (omp_regions, lookup_omp_region): Remove.
3097 (determine_parallel_type): Update for struct omp_region changes.
3098 (dump_omp_region): Dump regions with block numbers.
3099 (new_omp_region): Take type and block instead of stmt; malloc
3101 (free_omp_region_1, free_omp_regions): New.
3102 (expand_parallel_call): Take entry_stmt as argument; update for
3103 changes to omp_region.
3104 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3105 (remove_exit_barriers): New.
3106 (expand_omp_parallel): Update for struct omp_region changes.
3107 (expand_omp_synch): Likewise.
3108 (expand_omp): Likewise.
3109 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3110 (expand_omp_for_static_chunk): Likewise.
3111 (expand_omp_for): Likewise.
3112 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3113 (expand_omp_sections): Similarly, with GOMP_sections_end.
3114 (expand_omp_single): New.
3115 (build_omp_regions_1): Update for OMP_CONTINUE.
3116 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3117 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3118 OMP_SECTIONS_SECTIONS.
3119 (lower_omp_single_simple): Don't emit barrier here.
3120 (lower_omp_single_copy): Likewise.
3121 (lower_omp_single): Fix bindings, and lower to straightline now.
3122 (lower_omp_master, lower_omp_ordered): Likewise.
3123 (lower_omp_critical): Likewise.
3124 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3125 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3126 omp edges, free it afterward.
3127 (make_omp_sections_edges): Remove.
3128 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3129 (move_stmt_r): Handle OMP_CONTINUE.
3130 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3131 statement pointers to basic blocks. Add type member.
3132 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3133 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3134 * tree-inline.c (estimate_num_insns_1): Likewise.
3135 * tree-pretty-print.c (dump_generic_node): Likewise.
3136 * tree-ssa-operands.c (get_expr_operands): Likewise.
3137 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3138 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3139 (OMP_CONTINUE): New.
3140 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3141 (OMP_SECTIONS_SECTIONS): Remove.
3142 (OMP_SECTION_LAST): New.
3143 (OMP_RETURN_NOWAIT): New.
3145 2006-04-13 Roger Sayle <roger@eyesopen.com>
3147 * fold-const.c (native_encode_vector, native_interpret_real):
3148 Correct obvious mistakes in the previous check-in.
3150 2006-04-13 Roger Sayle <roger@eyesopen.com>
3152 * fold-const.c (native_encode_expr): New function to encode
3153 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3154 or VECTOR_CST into a specified buffer.
3155 (native_encode_int): New function.
3156 (native_encode_real): New function.
3157 (native_encode_complex): New function.
3158 (native_encode_vector): New function.
3159 (native_interpret_expr): Inverse of native_encode_expr to convert
3160 a target representation into an INTEGER_CST, REAL_CST etc...
3161 (native_interpret_int): New function.
3162 (native_interpret_real): New function.
3163 (native_interpret_complex): New function.
3164 (native_interpret_vector): New function.
3165 (fold_view_convert_expr): New function to constant fold/evaluate
3166 a VIEW_CONVERT_EXPR of a suitable constant expression.
3167 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3168 Change call of build1 to fold_build1 when constructing a
3171 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3172 Ulrich Weigand <uweigand@de.ibm.com>
3175 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3178 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3181 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3182 optimize to lo_sum for DFmode if !TARGET_FPRS.
3184 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3186 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3187 delete_alias_info, compute_flow_sensitive_aliasing,
3188 group_aliases): Use VEC instead of VARRAY.
3189 * tree-ssa-structalias.c (update_alias_info): Likewise.
3190 * tree-ssa-structalias.h (alias_info): Change the type of
3191 processed_ptrs to VEC(tree,heap) *.
3193 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3196 * config/sh/lib1funcs.h: New file, broken out of:
3197 * config/sh/lib1funcs.asm.
3198 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3200 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3201 * config/sh/lib1funcs-Os-4-200.asm: New file.
3202 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3203 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3204 (EXTRA_MULTILIB_PARTS): Include it.
3205 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3206 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3207 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3208 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3211 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3213 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3214 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3215 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3217 * tree-ssa-live.h: Include vecprim.h.
3218 (tree_partition_associator_d): Change the type of
3219 first_partition to VEC(int,heap) *.
3220 (tpa_first_partition): Use VEC instead of VARRAY.
3222 * Makefile.in (GTFILES): Move functions.h after tree.h.
3223 * function.c (reset_block_changes, record_block_change,
3224 check_block_change, free_block_changes): Use VEC instead of
3226 * function.h (function): Change the type of
3227 ib_boundaries_block to VEC(tree,gc) *.
3228 * tree-inline.c (copy_cfg_body): Initialize
3229 ib_boundaries_block to NULL instead of (varray_type) 0.
3231 2006-04-12 Roger Sayle <roger@eyesopen.com>
3233 * expr.c (emit_group_store): Correct operand order in call to
3234 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3235 a SUBREG_BYTE of zero.
3237 2006-04-12 Richard Guenther <rguenther@suse.de>
3239 * profile.c (compute_branch_probabilities): Remove code
3240 encapsulated in !ir_type (), which are remanents of the
3241 removed RTL profiling code.
3242 * rtl-profile.c: Remove.
3244 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3246 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3247 magic NULL_RTX comment.
3248 (function_arg): Store entire fp arg to mem if any part should go
3250 (rs6000_arg_partial_bytes): Adjust for above change.
3252 2006-04-11 Roger Sayle <roger@eyesopen.com>
3254 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3255 if it hasn't been initialized by dwarf2out_init.
3257 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3259 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3260 symbolic constants in branch patterns.
3262 2006-04-11 Roger Sayle <roger@eyesopen.com>
3264 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3266 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3268 PR rtl-optimization/27073
3269 * gcse.c (try_replace_reg): Revert last change. Continue to search
3270 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3273 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3275 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3276 aggregate types other than record and union types.
3277 (function_arg): Likewise.
3278 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3280 (function_value): In 64-bit mode, return objects that require it
3283 2006-04-11 Roger Sayle <roger@eyesopen.com>
3285 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3287 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3289 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3291 2006-04-03 Jeff Law <law@redhat.com>
3294 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3295 alias information too.
3297 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3299 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3301 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3304 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3305 (premark_used_types_helper): New.
3306 (premark_used_types): New.
3307 (gen_subprogram_die): Call premark_used_types.
3308 (prune_unused_types_walk): Do not prune perennial dies.
3309 * function.c (used_types_insert): New.
3310 * function.h (struct function): Add used_types_hash field.
3311 (used_types_insert): Add prototype.
3312 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3313 * c-parser.c (c_parser_cast_expression): Save casted types in used
3316 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3319 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3320 rs6000_explicit_options.float_gprs.
3322 2006-04-10 Roger Sayle <roger@eyesopen.com>
3324 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3325 from ix86_expand_vector_init_low_nonzero. Take an additional
3326 one_var argument indicating which element is non-zero. Support
3327 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3328 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3329 with one_var instead of ix86_expand_vector_init_low_nonzero.
3331 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3333 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3334 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3335 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3336 build/genextract.o): Depend on vecprim.h.
3337 * cfglayout.c, df-problems.c, function.c, genextract.c,
3338 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3339 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3343 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3345 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3346 Declare VECs of this type.
3347 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3348 (remove_children): Delete.
3349 (add_dwarf_attr): Use VEC routines.
3350 (add_AT_flag): Update for changes to add_dwarf_attr.
3351 (add_AT_int): Likewise.
3352 (add_AT_unsigned): Likewise.
3353 (add_AT_long_long): Likewise.
3354 (add_AT_vec): Likewise.
3355 (add_AT_string): Likewise.
3356 (add_AT_die_ref): Likewise.
3357 (add_AT_fde_ref): Likewise.
3358 (add_AT_loc): Likewise.
3359 (add_AT_loc_list): Likewise.
3360 (add_AT_addr): Likewise.
3361 (add_AT_lbl_id): Likewise.
3362 (add_AT_lineptr): Likewise.
3363 (add_AT_macptr): Likewise.
3364 (add_AT_offset): Likewise.
3365 (add_AT_range_list): Likewise.
3366 (get_AT): Use VEC_iterate.
3367 (remove_AT): Use VEC_ordered_remove.
3368 (free_die): Fold remove_children into here; have it use VEC_iterate.
3369 (print_die): Use VEC_iterate on attrs.
3370 (reverse_die_lists): Don't reverse attr lists.
3371 (die_checksum): Use VEC_iterate on attrs.
3372 (same_die_p): Likewise.
3373 (output_location_lists): Likewise.
3374 (build_abbrev_table): Likewise.
3375 (size_of_die): Likewise.
3376 (unmark_all_dies): Likewise.
3377 (output_abbrev_section): Likewise.
3378 (output_die): Likewise.
3379 (prune_unused_types_walk_attribs): Likewise.
3381 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3383 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3385 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3388 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3390 2006-04-09 Roger Sayle <roger@eyesopen.com>
3392 * expr.c (store_constructor): Don't bother clearing target if
3393 we're about to assign a vector to it using vec_init_optab.
3395 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3397 * tree-ssa-alias.c (lhs_may_store_to): New function.
3398 (recalculate_used_alone): Handle LHS of calls.
3400 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3404 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3405 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3406 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3407 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3408 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3409 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3410 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3411 stubs. Add ".align 8" directives before all ".dword" directives.
3412 (GTHREAD_USE_WEAK): Revise comment.
3413 (TARGET_ATTRIBUTE_WEAK): Define.
3414 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3415 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3416 * stublib.c: New file.
3421 * pa.md (cbranch patterns): Revise arguments used in calls to
3422 output_cbranch, output_bb and output_bvd. Add long branch length
3424 (fbranch patterns): Handle long branches.
3425 (jump): Revise length check. Revise arguments for output_lbranch call.
3426 Add long branch length attributes.
3427 (decrement_and_branch_until_zero): Add long branch length attributes.
3428 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3429 Likewise. Revise arguments for output_parallel_addb and
3430 output_parallel_movb calls.
3431 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3432 output_parallel_movb and output_parallel_addb): Update prototypes.
3433 * pa.c (output_cbranch): Revise arguments. Correct handling of
3434 nullification in long branches.
3435 (output_lbranch): Add new argument to control extraction of delay
3437 (output_bb): Handle long branches.
3438 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3439 output_parallel_addb): Likewise.
3441 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3443 PR rtl-optimization/27073
3444 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3447 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3449 * tree.h (tree_memory_tag): Add old_used_alone.
3450 (SMT_OLD_USED_ALONE): New macro.
3451 * tree-ssa-alias.c (recalculate_used_alone): Stop
3452 marking things for renaming unnecessarily.
3454 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3456 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3457 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3458 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3459 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3460 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3461 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3462 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3463 spelling convensions.
3464 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3465 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3466 typos. Follow spelling conventions.
3468 2006-04-07 DJ Delorie <dj@redhat.com>
3470 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3471 passed on the stack.
3472 (m32c_init_cumulative_args): When a function returns a structure,
3473 always pass the pointer to that return area on the stack.
3474 (m32c_function_arg_advance): Don't increment the parameter number
3475 if we're processing the returned structure pointer.
3476 (pushm_info): Reverse order of registers.
3478 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3480 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3481 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3482 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3483 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3485 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3486 chrec_fold_multiply): Same.
3487 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3488 force_expr_to_var_cost): Same.
3489 * tree-mudflap.c (mf_xform_derefs_1): Same.
3490 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3492 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3494 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3495 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3498 2006-04-07 Jan Hubicka <jh@suse.cz>
3500 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3502 2006-04-07 Richard Guenther <rguenther@suse.de>
3504 PR tree-optimization/26135
3505 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3506 loads for store copy-prop.
3507 (copy_prop_visit_stmt): Likewise.
3509 2006-04-05 Robert Millan <robertmh@gnu.org>
3511 * config/i386/linux.h: Add a comment to mark macros that are
3512 being overriden in config/k*bsd-gnu.h.
3513 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3515 * config/knetbsd-gnu.h: Ditto.
3517 2006-04-06 Jan Hubicka <jh@suse.cz>
3521 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3524 2006-04-06 Mike Stump <mrs@apple.com>
3526 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3527 for HAVE_nonlocal_goto to be consistent.
3528 (expand_builtin_nonlocal_goto): Likewise.
3529 (expand_builtin_strcmp): Use #ifdef instead of #if
3530 for HAVE_cmpstrnsi to be consistent.
3532 2006-04-05 DJ Delorie <dj@redhat.com>
3534 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3537 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3539 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3540 got-relative addressing for anything but SImode.
3542 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3543 even if the calling function doesn't modify them.
3545 2006-04-05 Richard Guenther <rguenther@suse.de>
3547 PR tree-optimization/26919
3548 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3549 to cgraph_estimate_size_after_inlining.
3551 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3553 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3555 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3557 PR tree-optimization/26996
3558 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3559 VECTOR_TYPE variables.
3561 2006-04-05 Richard Guenther <rguenther@suse.de>
3563 PR tree-optimization/26763
3564 * fold-const.c (fold_comparison): Move folding of
3565 PTR + CST CMP PTR + CST ...
3566 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3568 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3570 * doc/install.texi (Prerequisites): Refine some wording on
3571 bootstrapping and ksh.
3572 Move the version numbers of DejaGnu here from the testing section
3573 and fix casing of names.
3574 Fix markup and clarify wording for autogen requirements.
3575 Refer to GCJ instead of just java.
3576 Refer to SVN instead of CVS.
3577 Describe diffutils as useful instead of necessary.
3578 (Downloading the source): Refer to SVN instead of CVS.
3579 Adjust a link to our web site accordingly.
3580 (Configuration): Fix casing of Bison.
3581 (Building): Refer to SVN instead of CVS.
3582 Fix a sentence on the use of Bison and remove duplicate (and
3583 incorrect) version number of Bison requirement.
3584 Remove one redundant list of packages needed for building.
3585 (Specific): Avoid reference to CVS.
3587 2006-04-04 Eric Christopher <echristo@apple.com>
3589 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3590 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3591 (rs6000_handle_struct_attribute): New.
3592 (rs6000_ms_bitfield_layout_p): Ditto.
3594 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3596 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3597 NULL for dso parameter to atexit_common.
3599 2006-04-04 Eric Christopher <echristo@apple.com>
3601 * config/i386/i386.c (machopic_output_stub): Output \t
3602 between instructions and operands.
3604 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3606 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3607 satisfies_constraint_[IL] to explicit tests on value.
3609 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3611 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3612 set_nb_iterations_in_loop): Use build_int_cst instead of
3614 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3615 build_int_cst instead of convert.
3617 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3619 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3620 new value 2 for incoming.
3621 * function.c (expand_function_start): Call struct_value_rtx
3623 * config/sparc/sparc.md: Comment updated_return.
3624 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3625 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3626 struct return if sparc_std_struct_return and incoming is 2.
3627 (print_operand): Do not adjust return if
3628 sparc_std_struct_return.
3630 2006-04-04 Roger Sayle <roger@eyesopen.com>
3632 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3633 convert in the middle-end.
3634 * expr.c (store_expr, store_constructor, get_inner_reference,
3635 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3637 * tree.c (build_range_type): Likewise.
3639 2006-04-04 Tom Tromey <tromey@redhat.com>
3641 * doc/install.texi (Prerequisites): Mention jar.
3643 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3645 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3648 2006-04-04 Matthias Klose <doko@debian.org>
3650 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3651 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3654 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3656 * doc/extend.texi (Function Attributes): Rewrite visibility
3657 attribute documentation.
3658 * doc/invoke.texi (C++ Dialect Options): Rewrite
3659 -fvisibility-inlines-hidden documentation to describe something
3660 entirely different, although in practise compatible.
3661 (Code Gen Options): Warn about system headers in -fvisibility=
3664 * doc/extend.texi (Other Builtins): Document that
3665 __builtin_nan is a compile-time constant only when its argument
3668 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3670 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3671 trying to remove TRUNCATE check if all bits outside the new mode
3672 are identical to the sign bit.
3674 2006-04-03 Jeff Law <law@redhat.com>
3676 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3677 and operand scanning in some common cases.
3679 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3680 Dale Johannesen <dalej@apple.com>
3683 * regclass.c (struct reg_pref): Update documentation.
3684 (regclass): Set prefclass to NO_REGS if memory is the best option.
3685 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3686 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3687 into account. For non-registers, equate an empty preferred
3688 reload class to a `!' in the constraint; move the if clause to
3689 do so after those that reject the insn.
3690 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3692 (find_dummy_reload): Likewise.
3693 * doc/tm.texi (Register Classes): Document what it means
3694 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3695 * config/i386/i386.c (ix86_preferred_reload_class): Force
3696 using SSE registers (and return NO_REGS for floating-point
3697 constants) if math is done with SSE.
3698 (ix86_preferred_output_reload_class): New.
3699 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3700 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3701 * config/i386/i386.md: Remove # register preferences.
3703 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3706 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3707 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3708 the type of nb_iter.
3709 (instantiate_parameters_1): Convert the operands before calling
3710 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3711 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3713 2006-04-02 Roger Sayle <roger@eyesopen.com>
3715 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3716 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3718 * dojump.c (do_jump): Likewise.
3719 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3720 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3721 gimplify_boolean_expr): Likewise.
3722 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3723 * varasm.c (array_size_for_constructor): Likewise.
3724 * tree-object-size.c (compute_object_offset): Likewise.
3726 2006-04-02 Roger Sayle <roger@eyesopen.com>
3729 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3730 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3732 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3734 PR tree-optimization/26939
3735 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3737 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3739 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3740 at_stmt. Convert the type of operands before calling
3741 build_polynomial_chrec.
3742 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3744 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3745 (instantiate_parameters_1): Convert the type of operands before calling
3746 build_polynomial_chrec.
3747 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3748 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3749 reset_evolution_in_loop): Insert asserts to check the types of the
3751 (chrec_type): Moved...
3752 (eq_evolutions_p): Use operand_equal_p.
3753 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3754 the types of the operands.
3755 (chrec_type): ...here.
3756 * tree-data-ref.c (create_data_ref): Convert the operands before
3757 calling chrec_replace_initial_condition.
3758 (same_access_functions, analyze_subscript_affine_affine,
3759 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3760 (compute_subscript_distance, analyze_ziv_subscript,
3761 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3762 analyze_miv_subscript): Convert the operands before calling
3763 chrec_fold_minus or chrec_fold_plus.
3765 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3767 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3768 the dependence_relations vector.
3769 (compute_data_dependences_for_loop): Adjust call to
3770 compute_all_dependences.
3772 2006-04-01 Roger Sayle <roger@eyesopen.com>
3773 Richard Henderson <rth@redhat.com>
3775 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3776 gimple_boolify on the condition before calling gimplify_expr.
3778 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3780 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3781 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3782 the frame size. Update to use the new macros.
3783 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3784 * config/xtensa/ieee754-df.S: Likewise.
3786 2006-03-31 Richard Henderson <rth@redhat.com>
3788 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3789 (make_edges): ... here. Control fallthru creation with a local
3790 variable. Do not play with fake edges.
3791 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3792 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3795 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3797 * dwarf2.h (DW64_CIE_ID): Define.
3798 * dwarf2out.c (DWARF_CIE_ID): Define.
3799 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3800 length header. Use DWARF_CIE_ID.
3801 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3802 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3804 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3806 * config/sh/linux-atomic.asm: New file.
3807 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3809 2006-03-31 DJ Delorie <dj@redhat.com>
3811 * config/m32c/cond.md: Set condition flags properly throughout.
3812 * config/m32c/minmax.md: Likewise.
3813 * config/m32c/prologue.md: Likewise.
3814 * config/m32c/bitops.md: Likewise.
3815 * config/m32c/muldiv.md: Likewise.
3816 * config/m32c/mov.md: Likewise.
3817 * config/m32c/addsub.md: Likewise.
3818 * config/m32c/m32c.md: Likewise.
3819 * config/m32c/jump.md: Likewise.
3820 * config/m32c/shift.md: Likewise.
3822 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3823 conditionally output the pattern for this.
3824 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3825 (m32c_compare_redundant): New.
3826 (m32c_output_compare): New.
3827 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3829 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3830 dest, not src. Allow other 4-byte modes.
3832 2006-03-30 Denis Chertykov <denisc@overta.ru>
3834 * doc/md.texi: Refer to avr/constraints.md instead of
3837 2006-03-30 Roger Sayle <roger@eyesopen.com>
3839 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3840 signed vs. unsigned comparison failures on some hosts.
3842 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3845 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3846 change to FLOAT_REGS.
3848 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3849 (rs6000_override_options): Use it.
3850 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3851 only for -mabi=spe/no-spe and -mabi=altivec.
3853 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3855 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3858 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3860 * Makefile.in: Rename docdir to gcc_docdir.
3862 2006-03-30 Roger Sayle <roger@eyesopen.com>
3865 * expr.c (emit_group_store): Optimize group stores into a pseudo
3866 register by using a paradoxical subreg to initialize the destination
3867 if the first or last member of the group specifies a "low part".
3869 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3872 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3873 * target.h (struct gcc_target.speculate_insn): Change type of the
3874 second parameter to 'int'.
3875 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3876 the second operand of the DEPS_LIST.
3877 (copy_DEPS_LIST_list): Update reference to the second operand of the
3879 * rtl.h (alloc_DEPS_LIST): Update signature.
3880 * sched-int.h (ds_t): Change typedef to 'int'.
3881 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3883 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3885 * haifa-sched.c (try_ready): Change condition to restore
3886 non-speculative pattern of the instruction.
3887 (process_insn_depend_be_in_spec): Code to keep probability of the
3888 speculative dependence non-decreasing.
3890 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3892 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3893 (single_move_for_movmem): ... this. Also change all uses.
3894 (bfin_expand_strmov): Renamed to...
3895 (bfin_expand_movmem): ... this. Also change all uses.
3896 * config/bfin/bfin.md (movstrsi): Renamed to...
3897 (movstrsi): ...this.
3899 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3901 PR tree-optimization/26830
3903 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3904 (copy_prop_visit_stmt): Remove write-only variable ann.
3905 (init_copy_prop): Check variable loop depth here. Do not simulate
3906 memory-tag and virtual operand PHIs except for store copy prop.
3908 2006-03-30 Richard Guenther <rguenther@suse.de>
3910 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3911 variants with double arguments.
3913 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3915 * genpreds.c (write_tm_constrs_h): Delete variable p.
3916 * genconditions.c (write_header): Add tm-constrs.h to included
3918 * genpeep.c (main): Add toplev.h to included headers.
3919 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3920 (build/genpeep.o): Add toplev.h dependency.
3921 * config/rs6000/constraints.md: Add "W" constraint.
3923 2006-03-29 Roger Sayle <roger@eyesopen.com>
3925 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3926 sizes by correctly testing whether the size fits a host integer.
3927 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3928 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3929 SImode range for the default sizetype and bitsizetype.
3931 2006-03-29 Roger Sayle <roger@eyesopen.com>
3933 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3934 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3935 quickly if the argument is already of the correct type.
3936 Call fold_build1 instead of build1. Tidy up blank lines.
3938 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3940 * genemit.c (main): Add tm-constrs.h to included headers.
3941 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3942 * genpeep.c (main): Add tm-constrs.h to included headers.
3943 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3944 (write_tm_constrs_h): this and write complete file.
3945 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3946 (write_insn_preds_c): Add tm-constrs.h to included headers.
3947 (gen_constrs): New variable.
3948 (parse_option): Parse "-c".
3949 (main): Invoke write_tm_constrs_h.
3950 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3951 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3952 (object_out_file): Add tm-constrs.h dependency.
3953 (insn-emit.o): Same.
3954 (insn-output.o): Same.
3955 (insn-peep.o): Same.
3956 (insn-preds.o): Same.
3957 (insn-recog.o): Same.
3958 (tm-constsr.h): New target.
3959 (s-constrs-h): New target.
3961 * config/rs6000/constraints.md: New file.
3962 * config/rs6000/rs6000.c: Include tm-constrs.h.
3963 (num_insn_constant_wide): Convert to satisfies_constraint.
3964 (rs6000_rtx_costs): Convert to satisfies_constraint.
3965 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3966 (CONST_OK_FOR_LETTER_P): Delete.
3967 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3968 (EXTRA_CONSTRAINT): Delete.
3969 (EXTRA_MEMORY_CONSTRAINT): Delete.
3970 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3971 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3972 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3973 satisfies_constraint.
3975 * config/i386/i386.c: Include tm-constrs.h.
3977 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3979 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3980 * tree-data-ref.c (find_data_references_in_loop,
3981 compute_data_dependences_for_loop): Use pointers to VEC.
3982 (analyze_all_data_dependences): Adjust calls.
3983 * tree-data-ref.h (find_data_references_in_loop,
3984 compute_data_dependences_for_loop): Adjust declarations.
3985 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3986 compute_data_dependences_for_loop.
3988 2006-03-29 Paul Brook <paul@codesourcery.com>
3990 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3993 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3995 PR tree-optimization/26859
3996 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3998 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3999 for the step after fold_convert.
4001 2006-03-29 Paul Brook <paul@codesourcery.com>
4003 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4004 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4006 2006-03-29 Paul Brook <paul@codesourcery.com>
4009 * targhooks.c (default_narrow_bitfield): New fuction.
4010 * targhooks.h (default_narrow_bitfield): add prototype.
4011 * target.h (gcc_target): Add narrow_volatile_bitfield.
4012 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4013 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4014 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4015 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4017 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4019 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4021 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4022 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4023 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4024 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4025 (s390_function_arg_float): Allow SDmode and DDmode values to be
4026 passed in floating point registers.
4027 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4028 check with SCALAR_FLOAT_MODE_P.
4029 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4031 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4033 PR tree-optimization/25985
4034 * tree-ssa-loop-niter.c (number_of_iterations_le,
4035 number_of_iterations_ne): Make comments more precise.
4036 (number_of_iterations_cond): Add only_exit argument. Use the
4037 fact that signed variables do not overflow only when only_exit
4039 (loop_only_exit_p): New.
4040 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4041 number_of_iterations_cond.
4043 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4045 PR tree-optimization/26643
4046 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4049 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4051 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4052 (divsi3_i4_int): Likewise.
4054 2006-03-28 Roger Sayle <roger@eyesopen.com>
4056 * expr.c (emit_group_store): Only create a new pseudo reg if the
4057 quantity it needs to hold isn't already a suitable pseudo.
4059 2006-03-28 Jeff Law <law@redhat.com>
4061 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4062 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4064 2006-03-28 Roger Sayle <roger@eyesopen.com>
4066 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4067 the equivalent ~X & Y, and the symmetry related transformations.
4068 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4069 ~X & Y, and symmetry related transforms.
4071 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4073 Revert my 2006-03-27 patches.
4075 2006-03-28 Roger Sayle <roger@eyesopen.com>
4077 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4078 ~(T1)X, when T1 and T2 are integer types of the same precision
4079 and (T2)X isn't an extension.
4081 2006-03-28 Jeff Law <law@redhat.com>
4083 PR tree-optimization/26796
4084 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4085 need EH edge cleanups rather than purging them immediately.
4086 (eliminate_degenerate_phis): Handle queued EH cleanups.
4088 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4090 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4093 2006-03-27 Roger Sayle <roger@eyesopen.com>
4096 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4097 cast BIT_NOT_EXPR operand to the correct type.
4099 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4101 * tree-loop-linear.c: Don't include varray.h.
4102 (gather_interchange_stats, try_interchange_loops,
4103 linear_transform_loops): Use VEC instead of VARRAY.
4104 * lambda-mat.c: Don't include varray.h.
4105 * tree-chrec.c: Same.
4106 * lambda-trans.c: Same.
4107 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4108 VEC instead of VARRAY.
4109 * tree-vectorizer.h: Idem.
4110 * tree-data-ref.c (dump_data_references,
4111 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4112 initialize_data_dependence_relation, finalize_ddr_dependent,
4113 compute_all_dependences, find_data_references_in_loop,
4114 compute_data_dependences_for_loop, analyze_all_data_dependences,
4115 free_dependence_relation, free_dependence_relations,
4116 free_data_refs): Idem.
4117 * tree-data-ref.h (data_reference_p, subscript_p): New.
4118 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4119 VEC instead of VARRAY.
4120 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4121 (find_data_references_in_loop, compute_data_dependences_for_loop,
4122 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4123 dump_data_dependence_relations, free_dependence_relations,
4124 free_data_refs): Adjust declaration.
4125 (lambda_transform_legal_p): Move declaration here...
4126 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4127 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4128 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4129 vect_analyze_data_refs): Use VEC instead of VARRAY.
4130 * lambda.h (lambda_transform_legal_p): ...from here.
4131 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4132 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4133 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4134 tree-chrec.o): Don't depend on VARRAY_H.
4136 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4138 * rtl.def (Copyright): Update date.
4139 (DEPS_LIST): Change type of the second operand to 'int'.
4140 * target.h (Copyright): Update date.
4141 (struct gcc_target.speculate_insn): Change type of the second parameter
4143 * lists.c (Copyright): Update date.
4144 (alloc_DEPS_LIST): Change signature. Update reference to the second
4145 operand of the DEPS_LIST.
4146 (copy_DEPS_LIST_list): Update reference to the second operand of the
4148 * rtl.h (Copyright): Update date.
4149 (alloc_DEPS_LIST): Update signature.
4150 * sched-int.h (Copyright): Update date.
4151 (ds_t): Change typedef to 'int'.
4152 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4154 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4156 * haifa-sched.c (Copyright): Update date.
4157 (try_ready): Change condition to restore non-speculative pattern
4159 (process_insn_depend_be_in_spec): Code to keep probability of the
4160 speculative dependence non-decreasing.
4162 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4164 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4165 shut up the compiler.
4167 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4169 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4170 to use lib prefix for target.
4171 ($(T)libic_invalidate_array_4-200.a): Likewise.
4172 ($(T)libic_invalidate_array_4a.a): Likewise.
4174 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4175 J"orn Rennecke <joern.rennecke@st.com>
4177 * superh.opt: New file.
4178 * sh.c (boardtype, osruntime): Remove.
4179 * superh.h (SUBTARGET_OPTIONS): Remove.
4180 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4182 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4183 arguments with ^ and/or [].
4185 * config.gcc (sh-*-*): Add quoting to account for quirk of
4187 Replace == with = in enable_incomplete_targets test.
4189 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4190 with MASK_LITTLE_ENDIAN.
4192 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4193 * config/sh/sh.opt: Added to some comments.
4194 * config/sh/superh.h: Removed some chaff.
4196 * config/sh/sh.opt: Add m4-[1234]00* options.
4197 * config/sh/sh.c (sh_handle_option): Likewise.
4198 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4199 (ic_invalidate_array_4-100.o): New rule.
4200 ($(T)libic_invalidate_array_4-100.a): Likewise.
4201 (ic_invalidate_array_4-200.o): Likewise.
4202 ($(T)libic_invalidate_array_4-200.a): Likewise.
4203 (ic_invalidate_array_4a.o): Likewise.
4204 ($(T)libic_invalidate_array_4a.a): Likewise.
4205 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4206 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4208 * config/sh/crt1.asm: Merged in profiling code.
4209 * config/sh/superh.h (STARTFILE_SPEC): Override.
4210 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4211 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4212 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4214 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4215 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4216 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4218 * sh.opt (mpretend-cmove): New option.
4219 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4220 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4221 (movsicc): Add TARGET_PRETEND_CMOVE code.
4223 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4225 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4226 s390_class_max_nregs): New function prototypes.
4227 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4228 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4229 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4230 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4232 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4234 * dwarf2out.c (add_location_or_const_value_attribute): Call
4235 tree_add_const_value_attribute if nothing else works.
4236 (reference_to_unused): New.
4237 (rtl_for_decl_init): Use reference_to_unused to decide whether
4238 to output an initializer.
4240 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4243 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4244 peephole removing spe frob_di_df_2.
4246 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4248 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4249 (subscript_dependence_tester_1): Declared.
4250 (print_dir_vectors, print_dist_vectors): New.
4251 (debug_data_dependence_relation): New.
4252 (dump_data_dependence_relation): Print more details.
4253 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4254 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4255 (save_dist_v, save_dir_v, add_outer_distances,
4256 build_classic_dist_vector_1): New.
4257 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4258 Don't test for lambda_vector_lexico_pos.
4259 (same_access_functions, add_multivariate_self_dist,
4260 add_other_self_distances, dir_from_dist): New.
4261 (build_classic_dir_vector): Replace implementation almost identical to
4262 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4264 (subscript_dependence_tester_1): New.
4265 (subscript_dependence_tester): Handle the lexicographically negative
4266 distance vectors by recomputing the dependence relation.
4267 (compute_affine_dependence): Remove parameter loop_nest_depth.
4268 (compute_self_dependence): Don't call compute_subscript_distance.
4269 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4270 Add a parameter for the loop_nest.
4271 (find_loop_nest_1, find_loop_nest): New.
4272 (compute_data_dependences_for_loop): Compute the loop nest, and give
4273 up if the nest is not well formed.
4274 * tree-data-ref.h (loop_p): New.
4275 (struct data_dependence_relation): Replace size_vect field with
4276 loop_nest, a vec of loops.
4277 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4278 (DDR_LOOP_NEST): New.
4279 (print_dir_vectors, print_dist_vectors,
4280 debug_data_dependence_relation): Declared.
4281 (index_in_loop_nest): New.
4282 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4283 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4286 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4288 * simplify-rtx.c (simplify_relational_operation): Call
4289 simplify_relational_operation_1 even if mode is VOIDmode.
4291 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4293 PR tree-optimization/26804
4294 * tree.h (DECL_CALL_CLOBBERED): New macro.
4295 (tree_decl_common): Add call_clobbered_flag.
4296 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4297 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4298 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4299 (mark_non_addressable): Ditto.
4300 * tree-ssa.c (verify_call_clobbered): New function.
4301 (verify_alias_info): Use it.
4302 * tree-pass.h (pass_reset_cc_flags): New prototype.
4303 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4304 (reset_cc_flags): New function.
4305 * passes.c (init_optimization_passes): Call reset_cc_flags after
4306 initializing referenced_vars.
4308 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4309 Roger Sayle <roger@eyesopen.com>
4312 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4313 to 1.0 for non-real operands. Implement A / A optimization for
4316 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4318 * config/i386/i386.c (size_cost): Correct the comment for
4319 cost of storing fp registers.
4320 (i386_cost): Likewise.
4321 (i486_cost): Likewise.
4322 (pentium_cost): Likewise.
4323 (pentiumpro_cost): Likewise.
4324 (k6_cost): Likewise.
4325 (athlon_cost): Likewise.
4326 (k8_cost): Likewise.
4327 (pentium4_cost): Likewise.
4328 (nocona_cost): Likewise.
4329 (generic64_cost): Likewise.
4330 (generic32_cost): Likewise.
4332 2006-03-24 Denis Chertykov <denisc@overta.ru>
4334 * config/avr/avr-protos.h (extra_constraint): Delete.
4335 (extra_constraint_Q): New declaration.
4336 * config/avr/constraints.md: New file.
4337 * config/avr/avr.md: Include it.
4338 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4339 (TMP_REGNO, ZERO_REGNO): Likewise.
4340 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4341 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4342 (extra_constraint): Delete.
4343 (extra_constraint_Q): Test for memory constraint 'Q'.
4344 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4345 (REG_CLASS_FROM_LETTER): Delete.
4346 (CONST_OK_FOR_LETTER_P): Delete.
4347 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4348 (EXTRA_CONSTRAINT): Delete.
4349 (TMP_REGNO): Delete.
4350 (ZERO_REGNO): Delete.
4352 2006-03-24 Jeff Law <law@redhat.com>
4354 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4355 directly. Call mark_new_vars_to_rename slightly earlier.
4357 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4359 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4361 (gen_compile_unit_die): Use new language types for Objective-C and
4363 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4364 DW_LANG_C_plus_plus.
4367 * config/t-darwin (crt3.o): Work around bug 26840.
4368 * config/darwin-crt3.c: Rewrite.
4369 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4371 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4373 * doc/invoke.texi: Document -femit-class-debug-always
4374 * common.opt: Add -femit-class-debug-always.
4376 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4378 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4379 index and base register.
4380 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4381 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4382 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4383 REGNO_OK_FOR_INDEX_P.
4384 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4386 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4387 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4388 REG_OK_FOR_BASE_P): Definitions removed.
4390 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4393 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4394 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4395 set yet or weren't marked as local yet.
4397 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4399 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4402 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4404 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4405 (rs6000_legitimate_small_data_p): Delete.
4406 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4407 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4408 and make static. Add forward declaration. Update uses.
4409 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4410 of offsettable_memref_p.
4411 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4412 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4414 2006-03-24 Jeff Law <law@redhat.com>
4416 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4417 around bug in immediate-use iterator.
4419 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4422 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4423 or __LITTLE_ENDIAN__.
4425 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4427 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4428 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4429 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4430 * config/sh/sh.opt (mdiv=): Amend description.
4431 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4432 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4433 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4434 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4435 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4436 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4437 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4438 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4439 TARGET_DIVIDE_CALL_FP.
4441 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4443 * haifa-sched.c (choose_ready): Fix type of the local variable.
4444 Move local variables. Add comment.
4445 (check_reg_live): Change signature. Make callable from debugger.
4446 * sched-int.h (check_reg_live): Update signature.
4447 * sched-ebb.c (check_reg_live): Update parameters.
4448 * sched-rgn.c (check_reg_live): Ditto.
4449 (region_head_or_leaf_p): Check pointer before dereferencing.
4450 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4451 before reload on optimization levels below 1.
4453 2006-03-23 Richard Henderson <rth@redhat.com>
4455 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4459 * config/alpha/predicates.md (local_symbolic_operand): Reject
4462 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4465 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4466 expressions which have overflowed constants.
4468 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4470 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4472 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4474 * cfgloopmanip.c (create_loop_notes): Removed.
4475 * final.c (final_scan_insn): Do not handle loop notes.
4476 * jump.c (squeeze_notes): Ditto.
4477 * cfglayout.c (skip_insns_after_block,
4478 duplicate_insn_chain): Ditto.
4479 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4481 * cfgloop.h (create_loop_notes): Declaration removed.
4483 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4485 * varasm.c (output_constant_pool): Restore fnname and fndecl
4487 (assemble_start_function): Adjust call accordingly.
4488 (assemble_end_function): Likewise.
4490 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4493 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4496 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4498 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4501 * system.h (ICE_EXIT_CODE): New macro.
4502 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4503 (diagnostic_action_after_output): Likewise.
4504 * gcc.c (fatal_ice): New function.
4505 (execute): Use it instead of fatal.
4506 (fancy_abort): Likewise.
4507 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4509 2006-03-22 Jeff Law <law@redhat.com>
4511 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4512 iv_analyze_result returning false.
4514 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4516 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4518 2006-03-22 Richard Henderson <rth@redhat.com>
4521 * except.c (duplicate_eh_regions_0): New.
4522 (duplicate_eh_region_1): Duplicate the children of the node as
4523 well as the node itself. Link them up properly.
4524 (duplicate_eh_region_2): Merge into ...
4525 (duplicate_eh_regions): ... here. Take copy_region argument, and
4526 copy only a sub-tree if asked. Simplify copying and fixup.
4527 (eh_region_outer_p): New.
4528 * except.h (duplicate_eh_regions): Update decl.
4529 (eh_region_outer_p): Declare.
4530 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4531 (lower_omp_master): Likewise.
4532 (lower_omp_ordered): Likewise.
4533 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4534 (move_stmt_r): Use it to remap labels. Handle recursion vs
4535 remap_decls_p properly.
4536 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4537 (find_outermost_region_in_block): New.
4538 (new_label_mapper): New.
4539 (move_sese_region_to_fn): Copy eh information to the new function
4541 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4543 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4546 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4548 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4549 into shared libraries.
4551 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4553 * doc/md.texi: Refer to i386/constraints.md instead of
4555 * config/i386/constraints.md: New file, extracted from...
4556 * config/i386/predicates.md: ...here.
4557 * config/i386/i386.md: Include constraints.md.
4559 2006-03-21 Jason Merrill <jason@redhat.com>
4561 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4564 * expr.c (init_block_move_fn): Force default visibility.
4565 (init_block_clear_fn): Likewise.
4566 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4567 * targhooks.c (default_external_stack_protect_fail): Likewise.
4569 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4571 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4572 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4573 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4574 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4575 (loadgp): Use mips_current_loadgp_style.
4576 (loadgp_noshared): New pattern.
4577 (sibcall_internal): Use MIPS_CALL.
4578 (sibcall_value_internal): Likewise.
4579 (sibcall_value_multiple_internal): Likewise.
4580 (call_internal): Likewise.
4581 (call_value_internal): Likewise.
4582 (call_value_multiple_internal): Likewise.
4583 (call_split): Use MIPS_CALL and add an 'S' constraint.
4584 (call_value_split): Likewise.
4585 (call_value_multiple_split): Likewise.
4586 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4587 (-mshared): New option.
4588 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4589 (mips_current_loadgp_style): Declare.
4590 * config/mips/mips.c (mips_classify_symbol): Avoid using
4591 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4592 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4593 TARGET_ABSOLUTE_ABICALLS.
4594 (override_options): Adjust comments. Improve the warning that is
4595 issued when -mabicalls and -G are used together.
4596 (mips_file_start): Remove comment.
4597 (mips_current_loadgp_style): New function.
4598 (mips_gnu_local_gp): New variable.
4599 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4601 (mips_output_function_prologue): Use mips_current_laodgp_style.
4602 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4603 the cprestore instruction.
4604 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4605 live for TARGET_ABSOLUTE_ABICALLS.
4606 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4607 (ASM_SPEC): Pass down -mshared and -mno-shared.
4608 (MIPS_CALL): New macro.
4609 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4611 * doc/invoke.texi (-mabicalls): Update documentation.
4612 (-mshared): Document.
4614 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4616 * config/ia64/unwind-hpux.c: New file.
4617 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4619 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4622 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4624 2006-03-21 Jeff Law <law@redhat.com>
4626 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4627 type conversions of a VR_VARYING source to a wider type.
4629 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4631 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4632 tm_file on Solaris 10 and later.
4633 (sparc64-*-solaris2*): Likewise.
4634 (sparc-*-solaris2*): Likewise.
4635 * config/sol26.h: Rename to config/sol2-6.h.
4636 * config/sol2-10.h: New file.
4638 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4641 * tree-ssa-pre.c (create_component_ref_by_pieces):
4644 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4647 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4648 return it immediately.
4650 2006-03-21 Michael Matz <matz@suse.de>
4652 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4654 (remove_arc, add_arc): Update num_out_arcs member.
4655 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4657 (cache_presence): New function.
4658 (compare_states_for_equiv): New function.
4659 (state_is_differed): Don't take number of outargs, adjust callers.
4660 Use new invariant for speeding up.
4661 (init_equiv_class): Create initial classes based on sorted
4663 (partition_equiv_class): Don't track out_arcs_num.
4664 (evaluate_equiv_classes): Call cache_presence on all states and
4667 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4669 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4670 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4671 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4672 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4674 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4675 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4676 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4677 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4678 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4680 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4681 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4682 (REGNO_REG_CLASS): ARGP is in PREGS.
4683 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4685 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4686 to deal with those addresses.
4687 * addresses.h: New file.
4688 * caller-save.c: Include "addresses.h".
4689 (init_caller_save): Use new base_reg_class function.
4690 * rtl-factoring.c: Include "addresses.h".
4691 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4692 * recog.c: Include "addresses.h".
4693 (preprocess_constraints): Use new base_reg_class function.
4694 * regrename.c: Include "addresses.h".
4695 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4696 functions. Keep track of a new var INDEX_CODE to compute valid
4698 (replace_oldest_value_addr): Likewise.
4699 (replace_oldest_value_mem): Use base_reg_class.
4700 * reload.c: Include "addresses.h".
4701 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4702 (find_reloads): Use new base_reg_class function.
4703 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4704 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4705 all callers and prototype changed.
4706 * reload1.c: Include "addresses.h".
4707 (maybe_fix_stack_asms): Use base_reg_class.
4708 * regclass.c: Include "addresses.h".
4709 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4710 (init_reg_autoinc): Use new base_reg_class function.
4711 (record_reg_classes): Likewise.
4712 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4713 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4714 Use new args to compute necessary class.
4716 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4717 regrename.o, rtl-factoring.o): Update dependencies.
4718 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4719 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4720 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4721 REG_OK_FOR_INDEX_P): Delete documentation.
4723 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4725 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4726 from V7 to V9 for Solaris 7 and above.
4728 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4730 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4731 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4732 argument pointers may not alias any other storage.
4733 * common.opt: Define option -fargument-noalias-anything.
4734 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4735 alias semantics is specified by flag_argument_noalias > 2.
4737 2006-03-20 Jeff Law <law@redhat.com>
4739 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4740 (pass_phi_only_cprop): Declare.
4741 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4743 * tree-ssa-dom.c (degenerate_phi_result): New function.
4744 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4745 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4746 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4747 (eliminate_degenerate_phis): Likewise.
4748 (pass_phi_only_cprop): New pass descriptor.
4749 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4750 support code. Callers updated.
4751 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4752 (store_copy_prop): Likewise.
4753 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4755 2006-03-20 Jason Merrill <jason@redhat.com>
4758 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4759 (push_visibility, pop_visibility): Likewise.
4760 * c-pragma.h: Declare them.
4762 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4764 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4766 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4767 parameter and use get_ebb_head_tail.
4768 (sh_md_init_global): Adjust uses of find_regmode_weight.
4770 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4772 * function.h (struct function) <x_tail_recursion_reentry>:
4773 Rename to x_stack_check_probe_note.
4774 (tail_recursion_reentry): Rename to stack_check_probe_note.
4775 * function.c: Replace tail_recursion_reentry with
4776 stack_check_probe_note everywhere.
4777 (expand_function_start): Only emit a note for
4778 stack_check_probe_note with -fstack-protect.
4779 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4781 * emit-rtl.c (remove_unnecessary_notes): Remove.
4782 (pass_remove_unnecessary_notes): Remove.
4783 * rtl.h (remove_unnecessary_notes): Remove prototype.
4784 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4785 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4786 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4788 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4791 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4792 (valid_in_set): Handle ARRAY_REF.
4793 Change "if min_variant or VH" to asserts.
4794 (create_component_ref_by_pieces): Handle ARRAY_REF.
4795 (create_expression_by_pieces): Likewise.
4796 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4798 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4800 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4801 is operand of switch, not str[0].
4803 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4805 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4806 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4808 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4810 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4811 end of insn_extra_address_constraint declaration.
4813 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4815 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4816 (no-sum-in-toc): Same.
4817 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4819 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4820 NO_FP_IN_TOC for -fPIC instead of mask.
4822 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4823 (BOOT_LDFLAGS): Delete.
4825 * config/rs6000/t-aix52: Same.
4827 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4828 (stmsi[345678]_power): New.
4830 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4832 * config/ia64/ia64.opt: Add empty line to end of file.
4834 2006-03-17 Richard Guenther <rguenther@suse.de>
4837 * builtins.c (get_pointer_alignment): For component style references
4838 adjust alignment to the component type alignment. Make sure
4839 to adjust alignment for component access of constants.
4841 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4843 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4846 2006-03-17 Paul Brook <paul@codesourcery.com>
4848 * doc/install.texi: Docuemnt --with-mode.
4849 * config.gcc: Add --with-mode for arm*-*-*.
4850 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4852 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4854 * sh.c (max_labelno_before_reorg): New variable.
4855 (sh_reorg): Initialize it.
4856 (find_barrier): Check max_labelno_before_reorg before using
4857 label_to_alignment. Take length of explicit alignment insns
4858 into account. When seeing a UNSPECV_CONST_END, return it.
4860 * sh.c (fixup_mova): Set mode of affected label to QImode.
4861 (untangle_mova): New function.
4862 (find_barrier): Use it. Check mode of label before decrementing
4864 (sh_reorg): Likewise.
4865 Set mode of all insns back to VOIDmode.
4867 * sh.c (MOVA_LABELREF): New macro.
4868 (mova_p, fixup_mova, sh_reorg): Use it.
4869 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4870 ADDR_DIFF_VEC matches mova.
4872 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4874 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4875 with ATTRIBUTE_UNUSED.
4877 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4879 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4880 pointer, instead of assuming it is possible to derive the
4881 correct args size from a call insn.
4883 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4885 * rtl.h (CONST_INT_P): Define.
4886 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4887 instead of GET_CODE(x) == CONST_INT.
4888 (vax_rtx_costs): Likewise.
4889 (vax_output_int_move): Likewise.
4890 (vax_output_int_add): Likewise.
4891 (legitimate_constant_address_p): Likewise.
4892 (index_term_p): Likewise.
4893 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4894 * config/vax/vax.md (and<mode>3): Likewise.
4895 (ashrsi3): Likewise.
4897 (movstricthi): Likewise.
4898 (movstrictqi): Likewise.
4899 (rotrsi3): Likewise.
4900 (five unnamed insns): Likewise.
4902 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4904 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4905 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4906 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4907 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4908 Pass to ASM_OUTPUT_DWARF_OFFSET.
4909 * dwarf2out.c (debug_frame_section): New.
4910 (output_call_frame_info): Use debug_frame_section. Pass it to
4911 dw2_asm_output_offset.
4912 (output_die): Pass appropriate section to dw2_asm_output_offset.
4913 (output_compilation_unit_header): Likewise.
4914 (output_pubnames): Likewise.
4915 (output_aranges): Likewise.
4916 (enum dw_val_class): Break dw_val_class_lbl_offset into
4917 dw_val_class_lineptr and dw_val_class_macptr.
4918 (add_AT_lbl_offset): Delete.
4919 (add_AT_lineptr): New.
4920 (add_AT_macptr): New.
4921 (AT_lbl): Expect a lineptr or macptr.
4922 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4923 (attr_checksum): Likewise.
4924 (same_dw_val_p): Likewise.
4925 (size_of_die): Likewise.
4926 (value_format): Likewise.
4927 (output_die): Likewise.
4928 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4930 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4931 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4932 * config/darwin-protos.h (darwin_file_start): New.
4933 (darwin_asm_output_dwarf_offset): New.
4934 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4935 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4937 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4938 if not EH section; simplify.
4939 (darwin_file_start): New.
4940 (darwin_asm_output_dwarf_offset): New.
4941 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4943 (DEBUG_INFO_SECTION): Likewise.
4944 (DEBUG_ABBREV_SECTION): Likewise.
4945 (DEBUG_ARANGES_SECTION): Likewise.
4946 (DEBUG_MACINFO_SECTION): Likewise.
4947 (DEBUG_LINE_SECTION): Likewise.
4948 (DEBUG_LOC_SECTION): Likewise.
4949 (DEBUG_PUBNAMES_SECTION): Likewise.
4950 (DEBUG_STR_SECTION): Likewise.
4951 (DEBUG_RANGES_SECTION): Likewise.
4952 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4953 (ASM_OUTPUT_DWARF_OFFSET): New.
4955 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4957 * config.gcc (tm_defines): Always add to previous value rather
4960 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4962 * config/mips/predicates.md (splittable_const_int_operand): New,
4963 split from move_operand.
4964 (splittable_symbolic_operand): New.
4965 (move_operand): Add commentary. Use splittable_const_int_operand.
4966 Inline mips_atomic_symbolic_constant_p.
4967 * config/mips/mips.md: Add combine splitters for handling moves
4968 of splittable_const_int_operands and splittable_symbolic_operands.
4969 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4970 (mips_split_symbol): Declare.
4971 (mips_move_integer): Declare.
4972 * config/mips/mips.c (mips_split_p): Make global.
4973 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4974 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4975 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4976 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4977 (mips_offset_within_object_p): Handle block symbols.
4978 (mips_atomic_symbolic_constant_p): Delete.
4979 (mips_cannot_force_const_mem): Return false for constants that
4980 mips_legitimize_move can handle.
4981 (mips_use_blocks_for_constant_p): New function.
4982 (mips_split_symbol): Make global.
4983 (mips_move_integer): Likewise. Add a temporary register argument.
4984 (mips_legitimize_const_move): Use splittable_const_int_operand and
4985 splittable_symbolic_operand.
4986 (mips_use_anchors_for_symbol_p): New function.
4987 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4988 (mips_split_p): Declare.
4990 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4992 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4993 (mips*-*-linux*): Likewise.
4995 2006-03-16 Roger Sayle <roger@eyesopen.com>
4996 Daniel Speyer <dspeyer@wam.umd.edu>
4999 * tree-dump.c (dump_real): New function.
5000 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5001 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5002 (tree-dump.o): Add $(REAL_H) to the dependencies.
5004 2006-03-16 Roger Sayle <roger@eyesopen.com>
5007 * real.c (real_from_string): If the mantissa is zero, don't bother
5008 parsing the exponent as the result should always be zero.
5010 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5012 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5014 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5016 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5017 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5018 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5019 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5020 ia64_sched_finish_global): New static functions to implement
5021 hooks from gcc_target.sched.
5022 (spec_check_no, max_uid, pending_data_specs): New static variables.
5023 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5024 ia64_spec_check_src_p): New static functions.
5025 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5026 (TARGET_SCHED_ADJUST_COST): Removed.
5027 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5028 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5029 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5030 TARGET_SCHED_GEN_CHECK,
5031 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5032 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5033 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5034 Fixed to handle speculation checks.
5035 (rtx_needs_barrier): Fixed to handle speculative loads and
5037 (ia64_variable_issue): Added code to count speculative loads and their
5039 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5041 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5043 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5045 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5046 (ia64_reorg): Reset stops_p to NULL after it is freed.
5047 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5048 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5049 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5051 (data_speculative, control_speculative, check_load): New attributes.
5052 (mov<mode>_advanced, mov<mode>_speculative,
5053 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5054 zero_extend<mode>di2_speculative,
5055 zero_extend<mode>di2_speculative_advanced): New patterns for
5056 data and control speculative loads.
5057 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5059 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5060 New pattern for data and control speculation checks.
5061 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5062 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5063 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5064 Auxiliary definitions for the patterns.
5065 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5066 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5068 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5070 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5071 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5072 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5073 New resource constraints.
5074 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5076 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5077 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5078 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5079 msched-in-control-spec, msched-ldc, msched-control-ldc,
5080 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5081 msched-prefer-non-control-spec-insns,
5082 msched-count-spec-in-critical-path): New flags to tune speculative
5084 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5085 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5086 msched-in-control-spec, msched-ldc, msched-control-ldc,
5087 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5088 msched-prefer-non-control-spec-insns,
5089 msched-count-spec-in-critical-path): Document new flags.
5091 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5093 * target.h (struct spec_info_def): New opaque declaration.
5094 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5095 speculate_insn, needs_block_p, gen_check,
5096 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5097 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5098 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5099 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5100 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5101 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5103 (TARGET_SCHED): Use new macros.
5104 * rtl.h (copy_DEPS_LIST_list): New prototype.
5105 * sched-int.h (struct sched_info): Change signature of new_ready field,
5106 adjust all initializations. New fields: add_remove_insn,
5107 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5108 region_head_or_leaf_p.
5109 (struct spec_info_def): New structure declaration.
5110 (spec_info_t): New typedef.
5111 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5112 recovery_block, orig_pat.
5113 (glat_start, glat_end): New variables declaraions.
5114 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5116 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5117 DETACH_LIFE_INFO, USE_GLAT.
5118 (enum SPEC_SCHED_FLAGS): New enumeration.
5119 (NOTE_NOTE_BB_P): New macro.
5120 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5121 attach_life_info, debug_spec_status, check_reg_live): New functions.
5122 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5123 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5125 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5126 * ddg.c (get_block_head_tail): Adjust all uses.
5127 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5128 (sms_sched_info): Initialize new fields.
5129 (contributes_to_priority): Removed.
5130 * haifa-sched.c (params.h): New include.
5131 (get_block_head_tail): Adjust all uses.
5132 (ISSUE_POINTS): New macro.
5133 (glat_start, glat_end): New global variables.
5134 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5135 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5136 old_last_basic_block, before_recovery, current_sched_info_var,
5137 rgn_n_insns, luid): New static variables.
5138 (insn_cost1): New function. Move logic from insn_cost to here.
5139 (find_insn_reg_weight1): New function. Move logic from
5140 find_insn_reg_weight to here.
5141 (reemit_notes, move_insn, max_issue): Change signature.
5142 (move_insn1): Removed.
5143 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5144 extend_bb): New static functions to support extension of scheduler's
5146 (generate_recovery_code, process_insn_depend_be_in_spec,
5147 begin_speculative_block, add_to_speculative_block,
5148 init_before_recovery, create_recovery_block, create_check_block_twin,
5149 fix_recovery_deps): New static functions to support
5150 generation of recovery code.
5151 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5152 restore_bb_notes, move_block_after_check, move_succs): New static
5153 functions to support ebb scheduling.
5154 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5155 functions to support handling of register live information.
5156 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5157 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5158 add_jump_dependencies): New static functions.
5159 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5160 consistancy checking.
5161 (debug_spec_status): New function to call from debugger.
5162 (priority): Added code to handle speculation checks.
5163 (rank_for_schedule): Added code to distinguish speculative instructions.
5164 (schedule_insn): Added code to handle speculation checks.
5165 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5166 Fixed to handle ebbs.
5167 (move_insn): Added code to handle ebb scheduling.
5168 (max_issue): Added code to use ISSUE_POINTS of instructions.
5169 (choose_ready): Added code to choose between speculative and
5170 non-speculative instructions.
5171 (schedule_block): Added code to handle ebb scheduling and scheduling of
5172 speculative instructions.
5173 (sched_init): Initialize new variables.
5174 (sched_finish): Free new variables. Print statistics.
5175 (try_ready): Added code to handle speculative instructions.
5176 * lists.c (copy_DEPS_LIST_list): New function.
5177 * sched-deps.c (extend_dependency_caches): New function. Move logic
5178 from create_dependency_caches to here.
5179 (get_dep_weak, ds_merge): Make global.
5180 * genattr.c (main): Code to output prototype for
5181 dfa_clear_single_insn_cache.
5182 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5183 (output_dfa_clean_insn_cache_func): Code to output
5184 dfa_clear_single_insn_cache function.
5185 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5187 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5189 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5190 New static variables.
5191 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5192 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5194 (ebb_sched_info): Initialize new fields.
5195 (get_block_head_tail): Adjust all uses.
5196 (compute_jump_reg_dependencies): Fixed to use glat_start.
5197 (schedule_ebb): Code to remove unreachable last block.
5198 (schedule_ebbs): Added code to update register live information.
5199 * sched-rgn.c (region_sched_info): Initialize new fields.
5200 (get_block_head_tail): Adjust all uses.
5201 (last_was_jump): Removed. Adjust users.
5202 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5203 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5204 Implement new hooks.
5205 (check_dead_notes1): New static function.
5206 (struct region): New fields: dont_calc_deps, has_real_ebb.
5207 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5208 (BB_TO_BLOCK): Fixed to handle EBBs.
5209 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5210 (ebb_head): New static variable.
5211 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5212 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5214 (compute_dom_prob_ps): New assertion.
5215 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5216 global_live_at_start.
5217 (init_ready_list): New assertions.
5218 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5219 (new_ready): Add support for BEGIN_CONTROL speculation.
5220 (schedule_insns): Fixed code that updates register live information
5222 (schedule_region): Fixed to handle EBBs.
5223 (init_regions): Use extend_regions and check_dead_notes1.
5224 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5225 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5226 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5227 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5228 TARGET_SCHED_GEN_CHECK,
5229 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5230 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5231 * doc/invoke.texi (max-sched-insn-conflict-delay,
5232 sched-spec-prob-cutoff): Document.
5234 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5236 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5237 inter_tick, queue_index.
5238 (struct sched_info): Change signature of init_ready_list field.
5239 Adjust all initializations.
5240 (RESOLVED_DEPS): New access macro.
5241 (ready_add): Remove prototype.
5242 (try_ready): Add prototype.
5243 * sched-rgn.c (init_ready_list): Use try_ready.
5244 (schedule_region): Initialize
5245 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5246 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5247 (init_ready_list): Use try_ready.
5248 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5249 * lists.c (remove_list_elem): Remove `static'.
5250 (remove_free_INSN_LIST_elem): New function.
5251 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5252 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5253 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5255 (readyp): New variable.
5256 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5257 change_queue_index, resolve_dep): New static functions.
5258 (try_ready): New function. Adjust callers in sched-rgn.c and
5259 sched-ebb.c to use it instead of ready_add.
5260 (clock_var): Move at the begining of file.
5261 (rank_for_schedule): Fix typo.
5262 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5263 (ready_lastpos): Enforce assertion.
5264 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5266 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5267 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5268 (queue_to_ready): Use free_INSN_LIST_list.
5269 (early_queue_to_ready): Fix typo.
5270 (schedule_block): Init readyp. Move init_ready_list call after the
5271 initialization of clock_var. Fix error in rejecting insn by
5272 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5273 that previously corrected INSN_TICKs. Add code for handling
5275 (set_priorities): Fix typo.
5276 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5277 Clarify comment and code that keeps current_sched_info->next_tail
5280 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5282 * sched-rgn.c (extend_rgns): New static function.
5283 (find_rgns): Use it.
5284 (gather_region_statistics, print_region_statistics): New static
5286 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5287 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5289 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5290 Andrey Belevantsev <abel@ispras.ru>
5292 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5293 * lists.c (unused_deps_list): New variable.
5294 (free_list): Add assertions to verify the proper distinguishing
5295 between INSN_LISTs and DEPS_LISTs.
5296 (find_list_elem, remove_list_elem, remove_list_node): New static
5298 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5299 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5300 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5301 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5303 (free_INSN_LIST_node): Likewise.
5304 * modulo-sched.c (current_sched_info): Initialize flags field.
5305 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5306 * rtl.def (DEPS_LIST): Define.
5307 * rtl.h: Declare new functions from lists.c.
5308 * sched-deps.c (spec_dependency_cache): New static variable.
5309 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5310 (add_dependence): Change return type to void. Move the logic to ...
5311 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5312 (delete_all_dependences): Add comment about forward_dependency_cache.
5313 Handle spec_dependency_cache. Handle DEPS_LISTs.
5314 (fixup_sched_groups): Clarify the change of priority of output
5315 and anti dependencies.
5316 (sched_analyze_2): Adjust add_dependence calls to create data
5317 speculative dependence.
5318 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5319 Adjust all callers. Handle DEPS_LISTS.
5320 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5321 presence of speculation.
5322 (init_dependency_caches, free_dependency_caches):
5323 Handle spec_dependency_cache.
5324 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5325 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5326 New static functions.
5327 (add_or_update_back_dep, add_or_update_back_forw_dep,
5328 add_back_forw_dep, delete_back_forw_dep): New functions.
5329 * sched-int.h (ds_t, dw_t): New typedefs.
5330 (struct sched_info): Add new field flags.
5331 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5332 Prototype new sched-deps.c functions.
5333 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5334 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5335 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5336 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5337 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5338 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5340 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5342 * sched-rgn.c (current_sched_info): Initialize flags field.
5343 (schedule_insns): Initialize current_sched_info before the sched_init
5345 * sched-ebb.c (current_sched_info): Initialize flags field.
5346 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5347 Call add_or_update_back_dep instead of add_dependence.
5348 Create control speculative dependencies.
5349 (schedule_insns): Initialize current_sched_info before the sched_init
5352 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5354 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5356 (sh_fallback_frame_state): Likewise.
5358 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5360 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5361 Do switch on default_use_cxa_atexit.
5362 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5363 * config/darwin-crt3.o: New.
5364 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5365 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5366 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5368 * config/rs6000/t-darwin: Move crt2.o building to here.
5369 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5370 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5373 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5375 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5376 from '! xxx' to '!xxx' for coding-style conformance.
5377 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5378 (EXTRA_CONSTRAINT): Likewise.
5379 * config/vax/vax.md (four unnamed insns): Likewise.
5381 2006-03-15 Paul Brook <paul@codesourcery.com>
5383 * config/arm/arm.c (minipool_pad): New.
5384 (add_minipool_forward_ref): Include pool alignment padding in address
5386 (push_minipool_fix): Set minipool_pad.
5387 (minipool_pad): Ditto.
5389 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5391 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5392 instead of GET_CODE() == MEM and REG_P() instead of
5394 (print_operand_address): Likewise.
5395 (vax_address_cost): Likewise.
5396 (vax_rtx_costs): Likewise.
5397 (vax_notice_update_cc): Likewise.
5398 (vax_output_int_add): Likewise.
5399 (INDEX_REGISTER_P): Likewise.
5400 (BASE_REGISTER_P): Likewise.
5401 (nonindexed_address_p): Likewise.
5402 (vax_mode_dependent_address_p): Likewise.
5403 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5404 (PRINT_OPERAND): Likewise.
5405 * config/vax/vax.md (ashlsi3): Likewise.
5406 (ashlsi3): Likewise.
5407 (some more unnamed insns): Likewise.
5409 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5411 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5412 iterator-style macro.
5413 (mark_control_dependent_edges_necessary): Update the use of
5414 EXECUTE_IF_CONTROL_DEPENDENT.
5416 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5418 * config/sh/predicates.md (cache_address_operand): Special.
5419 (ua_address_operand): Likewise.
5421 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5423 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5425 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5427 2006-03-15 Andreas Schwab <schwab@suse.de>
5429 * gensupport.c (identify_predicable_attribute): Don't free p_false
5430 when it is still in use.
5432 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5434 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5435 the default setting here.
5437 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5439 * tree-pass.h (pass_cfg): Remove.
5440 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5441 * passes.c (pass_cfg): Don't run it.
5443 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5445 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5446 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5448 (stack_regs_mentioned): Update the uses of
5449 stack_regs_mentioned_data. Don't access the array beyond its
5451 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5452 Don't include gt-reg-stack.h.
5454 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5455 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5457 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5460 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5463 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5465 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5467 2006-03-14 Richard Guenther <rguenther@suse.de>
5469 PR tree-optimization/26672
5470 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5473 2006-03-14 Richard Guenther <rguenther@suse.de>
5475 PR tree-optimization/26667
5476 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5477 node for the callees. Always allow inlining if it will shrink
5480 2006-03-14 Richard Guenther <rguenther@suse.de>
5483 * builtins.c (get_pointer_alignment): Prefer alignment
5484 information from decls over that from types.
5486 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5489 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5491 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5493 * config/rs6000/rs6000.opt (mdlmzb): New option.
5494 (msched-prolog, msched-epilog): Use Var not Mask.
5495 * doc/invoke.texi (-mdlmzb): Document.
5496 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5498 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5499 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5501 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5503 PR rtl-optimization/25739
5504 * bt-load.c (augment_live_range): Free tos pointer.
5506 * gensupport.c (identify_predicable_attribute): Free
5508 * gcov.c (create_file_names): Free name pointer.
5510 2006-03-13 Roger Sayle <roger@eyesopen.com>
5513 * stmt.c (emit_case_nodes): Handle the case where the index is a
5514 CONST_INT, where the comparison mode is specified by the index type.
5516 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5518 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5521 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5523 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5524 (*branch_fp_inverted): Likewise.
5526 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5529 * omp-low.c (expand_omp_for_generic): Mark istart0
5530 and iend0 as addressable.
5532 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5534 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5536 2006-03-13 Jeff Law <law@redhat.com>
5538 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5539 virtual operands are interesting.
5540 (vrp_visit_stmt): Corresponding changes.
5542 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5544 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5546 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5547 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5548 * config/bfin/crti.S: Use it instead of __PIC__.
5549 * config/bfin/crtn.S: Likewise.
5551 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5552 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5554 Lose 'G' modifier for call operand.
5555 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5556 recognize 'G' modifier.
5558 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5561 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5562 * stmt.c (expand_case): Likewise.
5564 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5566 PR rtl-optimization/26254
5567 * loop-invariant.c (seq_insns_valid_p): New function.
5568 (move_invariant_reg): Only emit new code if it is valid.
5570 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5572 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5574 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5575 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5576 (commit_one_edge_insertion): Do not look for loop notes.
5578 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5580 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5581 flag_test_coverage out of loop.
5583 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5585 * final.c (shorten_branches): Remove outdated comment, and turn
5586 the if branch that guards it to continue.
5588 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5590 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5591 * cfgloop.h (struct loop): Remove unused fields.
5593 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5595 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5596 (-dL, -fdump-rtl-loop2): Update the dump file names
5598 * doc/invoke.texi: Update dump file names.
5600 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5602 * predict.c (estimate_probability): Remove.
5603 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5604 * basic-block.h (estimate_probability): Remove prototype.
5605 * passes.c (finish_optimization_passes): Dump branch prediction or
5606 profiling heuristics to the .profile tree dump.
5607 (init_optimization_passes): Unqueue pass_branch_prob.
5609 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5611 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5613 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5614 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5616 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5618 * function.h (frame_offset_overflow): Declare.
5619 * function.c (frame_offset_overflow): New function.
5620 (assign_stack_local_1): Call it to detect that the offset overflows.
5621 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5623 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5625 * config/sh/sh.c: Include alloc-pool.h.
5626 (label_ref_list_pool): New alloc pool.
5627 (label_ref_list_t): New type for lists of labels.
5628 (struct pool_node): Make wend a label_ref_list_t.
5629 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5631 (dump_table): Likewise.
5632 (sh_reorg): Set up the alloc pool before using add_constant and
5633 dump_table, and destroy it when finishing.
5635 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5637 * config/mips/mips.c: Remove redundant comment.
5639 2006-03-10 Jason Merrill <jason@redhat.com>
5642 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5643 the target was declared 'register'.
5645 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5647 * genpreds.c (write_insn_constraint_len): Change definition of
5648 insn_constraint_len to return size_t to match the declaration.
5650 2006-03-10 DJ Delorie <dj@redhat.com>
5652 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5654 (m32c_expand_insv): Fix test for an AND mask.
5656 2006-03-10 Richard Guenther <rguenther@suse.de>
5659 * builtins.c (get_pointer_alignment): Handle component
5660 references for field alignment.
5662 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5664 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5665 when building with libgloss.
5666 (sh*elf): Implement --without-fp option.
5667 (sh64-superh-linux*): Don't multilib.
5669 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5671 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5673 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5675 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5676 Set it when one of the replacement functions returned true.
5677 Return TODO_cleanup_cfg if cfgchanged is true.
5678 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5680 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5682 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5683 instead of gen_lowpart.
5685 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5687 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5689 (mips_output_order_conditional_branch): Declare.
5690 * config/mips/mips.h (MIPS_BRANCH): New macro.
5691 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5692 for the comparison. Use gen_condjump.
5693 (mips_output_conditional_branch): Rework interface to take the
5694 asm templates for a direct branch and the inverse of a direct branch.
5695 (mips_output_order_conditional_branch): New function.
5696 (mips_builtin_branch_and_move): New function.
5697 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5698 branch condition. Use gen_single_cc as the condition for
5699 __builtin_mips_upper_* or __builtin_mips_lower_*.
5700 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5701 Use VOIDmode for the branch condition.
5702 * config/mips/predicates.md (order_operator): New predicate.
5703 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5704 (branch_fp): Rename to...
5705 (*branch_fp): ...this. Remove mode from comparison operator.
5706 Use new mips_output_conditional_branch interface.
5707 (branch_fp_inverted): Rename to...
5708 (*branch_fp_inverted): ...this and update as for *branch_fp.
5709 (*branch_zero<mode>): Rename to...
5710 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5711 Use mips_output_order_conditional_branch. Only accept ordered
5713 (*branch_zero<mode>_inverted): Rename to...
5714 (*branch_order<mode>_inverted): ...this and update as for
5715 *branch_order<mode>.
5716 (*branch_equality<mode>): Accept zero as the second operand to
5717 the equality operator. Use the new mips_output_conditional_branch
5719 (*branch_equality<mode>_inverted): Likewise.
5720 (condjump): New expander.
5721 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5723 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5724 (bc1any2t, bc1any2f): Likewise.
5725 (single_cc): New expander.
5726 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5728 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5730 * doc/md.texi: Update documentation of MIPS constraints.
5731 * config/mips/constraints.md: New file.
5732 * config/mips/mips.md: Include it.
5733 * config/mips/mips.c (mips_char_to_class): Delete.
5734 (override_options): Don't initialize mips_char_to_class.
5735 * config/mips/mips.h (mips_char_to_class): Delete.
5736 (REG_CLASS_FROM_LETTER): Delete.
5737 (CONST_OK_FOR_LETTER_P): Delete.
5738 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5739 (EXTRA_CONSTRAINT_Y): Delete.
5740 (EXTRA_CONSTRAINT_STR): Delete.
5741 (CONSTRAINT_LEN): Delete.
5742 (EXTRA_MEMORY_CONSTRAINT): Delete.
5744 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5746 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5747 original fn's eh regions.
5749 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5751 * fold-const.c (build_range_check): Make sure to use a valid type to
5752 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5755 (range_predecessor): New static function.
5756 (range_successor): Likewise.
5757 (merge_ranges): Use them to compute predecessors and successors of
5760 2006-03-09 Roger Sayle <roger@eyesopen.com>
5763 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5764 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5766 2006-03-08 DJ Delorie <dj@redhat.com>
5768 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5769 (addpsi3): Expand to include memory operands. Remove
5770 reload-specific splits.
5771 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5772 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5773 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5774 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5775 (shift1_qi, shift1_hi, insv): New.
5776 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5777 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5778 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5780 * config/m32c/m32c-protos.h: Update as needed.
5781 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5782 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5783 Fail for unrecognized R* constraints.
5784 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5785 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5786 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5788 (m32c_init_libfuncs): New.
5789 (m32c_legitimate_address_p): Add debug wrapper.
5790 (m32c_rtx_costs): New.
5791 (m32c_address_cost): New.
5792 (conversions): Add 'B' prefix.
5793 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5794 operands, or word regnames for QI operands. 'B' prints bit
5796 (m32c_expand_setmemhi): New.
5797 (m32c_expand_movmemhi): New.
5798 (m32c_expand_movstr): New.
5799 (m32c_expand_cmpstr): New.
5800 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5801 (m32c_expand_neg_mulpsi3): Handle non-ints.
5802 (m32c_cmp_flg_0): New.
5803 (m32c_expand_movcc): New.
5804 (m32c_expand_insv): New.
5805 (m32c_scc_pattern): New.
5806 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5807 a0/a1 out of SIregs.
5808 (STORE_FLAG_VALUE): New.
5809 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5812 * config/m32c/mov.md: Make constraints more liberal.
5813 (zero_extendqihi2): Optimize r0/r1 case.
5814 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5815 * config/m32c/predicates.md (m32c_any_operand): New.
5816 (m32c_nonimmediate_operand): New.
5817 (m32c_hl_operand): New.
5818 (m32c_r3_operand): New.
5821 (memsym_operand): New.
5822 (memimmed_operand): New.
5823 (a_qi_operand): New.
5824 (m32c_eqne_operator): New.
5825 (m32c_1bit8_operand): New.
5826 (m32c_1bit16_operand): New.
5827 (m32c_1mask8_operand): New.
5828 (m32c_1mask16_operand): New.
5829 * config/m32c/blkmov.md: New file.
5830 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5832 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5834 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5835 unsigned to fix signed/unsigned comparison issue in
5836 DWARF2_FRAME_REG_OUT.
5837 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5838 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5840 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5841 of ptr into the ENABLE_CHECKING section.
5843 2006-03-08 Jeff Law <law@redhat.com>
5845 * tree-vrp.c (infer_value_range): Only count pointer uses
5846 and dereferences if -fdelete-null-pointer-checks is enabled.
5848 * tree-vrp.c (find_assert_locations): Infer value ranges for
5849 single use pointers, but do not create ASSERT_EXPRs for them.
5850 When a non-null range is inferred for a pointer, backwards
5851 propagate that range to other equivalent pointers through the
5854 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5857 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5858 language hook targets.
5859 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5860 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5861 if language hook targets were missing.
5863 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5865 * tree-ssa-opfinalize.h: Removed.
5866 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5868 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5869 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5870 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5871 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5872 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5873 finalize_ssa_v_must_def_ops): New.
5875 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5877 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5880 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5882 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5884 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5885 addresses with offsets; reorganize.
5887 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5888 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5889 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5891 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5894 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5896 2006-03-08 Ben Elliston <bje@au.ibm.com>
5898 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5900 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5903 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5906 2006-03-07 Richard Guenther <rguenther@suse.de>
5908 PR tree-optimization/26587
5909 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5911 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5913 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5915 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5917 * hooks.c (hook_bool_mode_rtx_true): New function.
5918 * hooks.h (hook_bool_mode_rtx_true): Declare.
5919 * toplev.c (compile_file): Call output_shared_constant_pool.
5920 * varasm.c (shared_constant_pool): New variable.
5921 (assemble_start_function, assemble_end_function): Remove arguments
5922 from call to output_constant_pool.
5923 (create_constant_pool): New function, split out from...
5924 (init_varasm_status): ...here.
5925 (force_const_mem): Choose between the shared and per-function constant
5926 pools. Set current_function_uses_const_pool when reusing old entries
5927 as well as when creating new ones.
5928 (mark_constant): Ignore data argument.
5929 (mark_constants): Remove pool argument.
5930 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5931 to decide whether the function uses a constant pool.
5932 (output_constant_pool_contents): New function, split out from...
5933 (output_constant_pool): ...here.
5934 (output_shared_constant_pool): New function.
5935 (init_varasm_once): Initialize shared_constant_pool.
5936 * output.h (output_constant_pool): Delete.
5937 (output_shared_constant_pool): Declare.
5938 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5939 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5941 2006-03-06 Nick Clifton <nickc@redhat.com>
5943 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5944 flag_strength_reduce.
5946 2006-03-06 Ben Elliston <bje@au.ibm.com>
5948 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5949 x86_64-*-linux* configurations.
5951 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5952 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5954 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5956 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5958 * basic-block.h: Remove the extern for
5959 rediscover_loops_after_threading.
5961 * cfgloop.c (cancel_loop): Make it static.
5962 * cfgloop.h: Remove the prototype for cancel_loop.
5964 * flow.c (recompute_reg_usage): Make it static.
5965 * rtl.h: Remove the prototype for recompute_reg_usage.
5967 * function.c (use_return_register): Make it static.
5968 * function.h: Remove the prototype.
5970 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5972 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5974 * recog.h: Remove the prototype for
5975 validate_change_maybe_volatile.
5977 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5979 * rtlanal.c (replace_reg): Remove.
5980 * rtl.h: Remove the prototype for replace_reg.
5982 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5984 * regclass.c (reg_scan_update): Remove.
5985 (reg_scan_mark_refs): Remove the last argument.
5986 * rtl.h: Remove the prototype for reg_scan_update.
5988 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5990 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5991 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5992 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5993 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5994 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5995 loop-invariant.c, omp-low.c, opts.c, passes.c,
5996 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5997 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5998 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5999 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6000 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6001 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6003 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6005 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6006 * dwarf2out.h: Remove the prototype for
6007 dwarf2out_add_library_unit_info.
6009 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6011 * tree.c (add_var_to_bind_expr): Remove.
6012 * tree.h: Remove the prototype for add_var_to_bind_expr.
6014 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6016 * regclass.c (n_non_fixed_regs): Remove.
6017 (init_reg_sets_1, globalize_reg): Remove all uses of
6019 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6021 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6023 * rtlanal.c (insns_safe_to_move_p): Remove.
6024 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6026 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6028 * expmed.c (expand_mult_add): Remove.
6029 * expr.h: Remove the prototype for expand_mult_add.
6031 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6033 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6034 and REG_SAVED_VAL_EXP constants.
6035 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6036 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6037 Handle regs stored by value.
6038 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6039 (execute_cfa_program): Handle DW_CFA_val_offset,
6040 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6041 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6042 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6043 (uw_install_context_1): Handle target regs stored by value.
6045 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6047 * tree-sra.c (tree_sra): Return todoflags;
6048 (generate_one_element): Set TODO_update_smt_usage if needed.
6049 (pass_sra): Remove TODO_update_smt_usage.
6050 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6052 (tree_ssa_forward_propagate_single_use_vars): Return
6053 TODO_update_smt_usage if we need to update SMT usage.
6054 (pass_forwprop): Remove TODO_update_smt_usage.
6056 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6058 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6059 (correct_use_link): Remove reference to get_stmt_operands.
6060 (update_stmt_operands): Likewise.
6061 (get_modify_expr_operands): New function factored out of
6062 parse_ssa_operands and get_expr_operands.
6063 Try to create V_MUST_DEFs for LHS by default.
6064 (get_expr_operands) <case MODIFY_EXPR>: Call
6065 get_modify_expr_operands.
6066 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6067 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6068 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6069 get_modify_expr_operands.
6071 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6073 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6074 * tree-flow.h: Remove the prototype for
6075 referenced_var_lookup_if_exists.
6077 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6079 PR rtl-optimization/26345
6081 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6083 2006-03-03 Roger Sayle <roger@eyesopen.com>
6085 PR tree-optimization/26524
6086 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6087 fold_convert to create a constant of the appropriate type.
6089 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6091 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6092 SYMBOL_REF_IN_BLOCK_P.
6093 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6094 of SYMBOL_FLAG_IN_BLOCK.
6095 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6096 instead of SYMBOL_REF_IN_BLOCK_P.
6097 * explow.c (use_anchored_address): Likewise.
6098 * rtl.c (rtx_size): Likewise.
6099 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6100 instead of SYMBOL_FLAG_IN_BLOCK.
6101 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6102 SYMBOL_REF_IN_BLOCK_P.
6103 (assemble_variable): Likewise.
6104 (output_constant_def_contents): Likewise.
6105 (output_constant_pool): Likewise.
6106 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6107 instead of SYMBOL_FLAG_IN_BLOCK.
6108 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6109 SYMBOL_REF_IN_BLOCK_P.
6110 (SYMBOL_REF_BLOCK): Likewise.
6111 (SYMBOL_REF_OFFSET): Likewise.
6112 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6113 SYMBOL_REF_IN_BLOCK_P.
6114 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6115 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6116 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6117 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6119 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6121 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6123 2006-03-02 Roger Sayle <roger@eyesopen.com>
6125 * simplify-rtx.c (simplify_unary_operation): When simplifying
6126 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6127 that we perform the right shift in the appropriate mode, and
6128 then extend or truncate the result to requested mode.
6130 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6132 * gengtype.c (main): Handle double_int type.
6133 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6134 * double-int.c: New file.
6135 * double-int.h: New file.
6136 * system.h: Include doubleint.h.
6137 * Makefile.in (SYSTEM_H): Include double-int.h.
6138 (double-int.o): Add.
6140 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6143 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6146 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6148 * tree-vrp.c (remove_range_assertions): Do not update statements
6151 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6153 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6155 * gcse.c (rest_of_handle_gcse): Ditto.
6156 * except.c (gate_handle_eh): Ditto.
6157 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6158 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6160 2006-03-02 Eric Christopher <echristo@apple.com>
6162 * config/i386/i386.c (machopic_output_stub): Add indirection to
6165 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6169 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6171 Sun Niagara specific optimizations.
6172 * config.gcc: Recognize niagara as target.
6173 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6174 (TARGET_CPU_niagara): Define.
6175 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6176 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6177 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6178 (ASM_CPU_SPEC): Likewise.
6179 (PROCESSOR_NIAGARA): New enum entry.
6180 (REGISTER_MOVE_COST): Handle Niagara.
6181 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6182 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6183 (sparc_override_options): Recognize "niagara", set appropriate
6184 default MASK_* values for it, and align functions to 32-bytes
6185 by default just like ULTRASPARC/ULTRASPARC3.
6186 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6187 (sparc64_initialize_trampoline): Likewise.
6188 (sparc_use_sched_lookahead): Use zero for niagara.
6189 (sparc_issue_rate): Use one for niagara.
6190 * config/sparc/niagara.md: New file.
6191 * config/sparc/sparc.md: Include it.
6192 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6193 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6194 when default cpu is niagara.
6195 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6196 (ASM_CPU_SPEC): Likewise.
6197 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6198 when default cpu is niagara.
6199 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6200 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6201 just like v9/ultrasparc/ultrasparc3.
6202 * doc/invoke.texi: Add documentation for "niagara" and improve
6203 existing documentation for ultrasparc variants.
6205 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6207 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6209 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6211 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6212 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6213 and say that only one is needed.
6214 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6215 * target.h (have_switchable_bss_sections): New hook.
6216 * explow.c (use_anchored_address): Check that the symbol is in a block.
6217 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6218 (bss_noswitch_section): New variables.
6219 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6220 (get_noswitch_section): New function.
6221 (get_block_for_section): Allow SECT to be null.
6222 (unlikely_text_section_p): Use SECTION_STYLE.
6223 (bss_initializer_p): New function.
6224 (get_variable_section): Move earlier in file. Take a new argument,
6225 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6226 Return one of the new *_sections in such cases.
6227 (get_block_for_decl): New function, extracting some logic from
6228 use_blocks_for_decl_p.
6229 (change_symbol_section): Remove in favor of...
6230 (change_symbol_block): ...this new function.
6231 (use_blocks_for_decl_p): Remove checks now performed by
6233 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6234 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6235 (emit_local, emit_bss, emit_common): ...these new functions.
6236 Return true if the alignment was honored.
6237 (emit_tls_common): New function.
6238 (asm_emit_uninitialised): Delete.
6239 (assemble_variable_noswitch): New function, split out from...
6240 (assemble_variable): ...here. Don't make decisions about common
6241 variables here. Globalize all public decls that go into non-common
6242 sections. Check whether SYMBOL_REF_BLOCK is null.
6243 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6244 (output_constant_pool): Likewise.
6245 (init_varasm_once): Initialize the new section variables.
6246 (have_global_bss_p): New function.
6247 (categorize_decl_for_section): Use bss_initializer_p.
6248 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6249 (place_block_symbol): Assert that the symbol must be in a block.
6250 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6251 (TARGET_INITIALIZER): Include it.
6252 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6253 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6254 (SECTION_MACH_DEP): Bump by two.
6255 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6256 (unnamed_section): Mention SECTION_UNNAMED in comment.
6257 (named_section): Likewise SECTION_NAMED.
6258 (noswitch_section_callback): New type.
6259 (noswitch_section): New structure.
6260 (section): Add a noswitch_section alternative.
6261 (SECTION_STYLE): New macro.
6262 (tls_comm_section, comm_section, lcomm_section): Declare.
6263 (bss_noswitch_section, have_global_bss_p): Declare.
6264 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6265 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6267 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6268 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6271 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6273 * tree-vrp.c (execute_vrp): Return value.
6274 * regrename.c (rest_of_handle_regrename): Ditto.
6275 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6276 * tree-complex.c (tree_lower_complex): Ditto.
6277 (tree_lower_complex_O0): Ditto.
6278 * tracer.c (rest_of_handle_tracer): Ditto.
6279 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6280 * postreload.c (rest_of_handle_postreload): Ditto.
6281 * tree-tailcall.c (execute_tail_recursion): Ditto.
6282 (execute_tail_calls): Ditto.
6283 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6284 * tree.h (init_function_for_compilation): Ditto.
6285 * ipa-cp.c (ipcp_driver): Ditto.
6286 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6287 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6288 * final.c (compute_alignments): Ditto.
6289 (rest_of_handle_final): Ditto.
6290 (rest_of_handle_shorten_branches): Ditto.
6291 (rest_of_clean_state): Ditto.
6292 * omp-low.c (execute_expand_omp): Ditto.
6293 (execute_lower_omp): Ditto.
6294 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6295 * ipa-reference.c (static_execute): Ditto.
6296 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6297 * reorg.c (rest_of_handle_delay_slots): Ditto.
6298 (rest_of_handle_machine_reorg): Ditto.
6299 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6300 * flow.c (recompute_reg_usage): Ditto.
6301 (rest_of_handle_remove_death_notes): Ditto.
6302 (rest_of_handle_life): Ditto.
6303 (rest_of_handle_flow2): Ditto.
6304 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6305 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6306 (do_ssa_store_ccp): Ditto.
6307 (execute_fold_all_builtins): Ditto.
6308 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6309 * modulo-sched.c (rest_of_handle_sms): Ditto.
6310 * ipa-pure-const.c (static_execute): Ditto.
6311 * cse.c (rest_of_handle_cse): Ditto.
6312 (rest_of_handle_cse2): Ditto.
6313 * web.c (rest_of_handle_web): Ditto.
6314 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6315 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6316 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6317 * tree-nrv.c (tree_nrv): Ditto.
6318 (execute_return_slot_opt): Ditto.
6319 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6320 (create_structure_vars): Ditto.
6321 * loop-init.c (rtl_loop_init): Ditto.
6322 (rtl_loop_done): Ditto.
6323 (rtl_move_loop_invariants): Ditto.
6324 (rtl_unswitch): Ditto.
6325 (rtl_unroll_and_peel_loops): Ditto.
6326 (rtl_doloop): Ditto.
6327 * gimple-low.c (lower_function_body): Ditto.
6328 (mark_used_blocks): Ditto.
6329 * tree-ssa-sink.c (execute_sink_code): Ditto.
6330 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6331 (cgraph_early_inlining): Ditto.
6332 * global.c (rest_of_handle_global_alloc): Ditto.
6333 * jump.c (cleanup_barriers): Ditto.
6334 (purge_line_number_notes): Ditto.
6335 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6336 (rest_of_handle_if_after_reload): Ditto.
6337 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6338 (tree_ssa_loop_im): Ditto.
6339 (tree_ssa_loop_unswitch): Ditto.
6340 (tree_vectorize): Ditto.
6341 (tree_linear_transform): Ditto.
6342 (tree_ssa_loop_ivcanon): Ditto.
6343 (tree_ssa_empty_loop): Ditto.
6344 (tree_ssa_loop_bounds): Ditto.
6345 (tree_complete_unroll): Ditto.
6346 (tree_ssa_loop_prefetch): Ditto.
6347 (tree_ssa_loop_ivopts): Ditto.
6348 (tree_ssa_loop_done): Ditto.
6349 * predict.c (tree_estimate_probability): Ditto.
6350 * recog.c (split_all_insns_noflow): Ditto.
6351 (rest_of_handle_peephole2): Ditto.
6352 (rest_of_handle_split_all_insns): Ditto.
6353 * tree-eh.c (lower_eh_constructs): Ditto.
6354 * regmove.c (rest_of_handle_regmove): Ditto.
6355 (rest_of_handle_stack_adjustments): Ditto.
6356 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6357 * function.c (instantiate_virtual_regs): Ditto.
6358 (init_function_for_compilation): Ditto.
6359 (rest_of_handle_check_leaf_regs): Ditto.
6360 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6361 (rest_of_handle_gcse): Ditto.
6362 * ipa-type-escape.c (type_escape_execute): Ditto.
6363 * alias.c (rest_of_handle_cfg): Ditto.
6364 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6365 * profile.c (rest_of_handle_branch_prob): Ditto.
6366 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6367 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6368 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6369 * tree-dfa.c (find_referenced_vars): Ditto.
6370 * except.c (set_nothrow_function_flags): Ditto.
6371 (convert_to_eh_region_ranges): Ditto.
6372 (rest_of_handle_eh): Ditto.
6373 * emit-rtl.c (unshare_all_rtl): Ditto.
6374 (remove_unnecessary_notes): Ditto.
6375 * except.h (set_nothrow_function_flags): Ditto.
6376 (convert_to_eh_region_ranges): Ditto.
6377 * cfgexpand.c (tree_expand_cfg): Ditto.
6378 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6379 * tree-ssa-pre.c (do_pre): Ditto.
6380 (execute_fre): Ditto.
6381 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6382 (rest_of_handle_jump2): Ditto.
6383 * tree-sra.c (tree_sra): Ditto.
6384 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6385 (execute_mudflap_function_decls): Ditto.
6386 * tree-ssa-copy.c (do_copy_prop): Ditto.
6387 (do_store_copy_prop): Ditto.
6388 * ipa-prop.h (ipcp_driver): Ditto.
6389 * cfglayout.c (insn_locators_initialize): Ditto.
6390 * tree-ssa-forwprop.c
6391 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6392 * cfglayout.h (insn_locators_initialize): Ditto.
6393 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6394 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6395 (execute_late_warn_uninitialized): Ditto.
6396 * rtl.h (cleanup_barriers): Ditto.
6397 (split_all_insns_noflow): Ditto.
6398 (purge_line_number_notes): Ditto.
6399 (unshare_all_rtl): Ditto.
6400 (remove_unnecessary_notes): Ditto.
6401 (recompute_reg_usage): Ditto.
6402 (variable_tracking_main): Ditto.
6403 * integrate.c (emit_initial_value_sets): Ditto.
6404 * integrate.h (emit_initial_value_sets): Ditto.
6405 * tree-optimize.c (execute_free_datastructures): Ditto
6406 (execute_free_cfg_annotations): Ditto.
6407 (execute_fixup_cfg): Ditto.
6408 (execute_cleanup_cfg_pre_ipa): Ditto.
6409 (execute_cleanup_cfg_post_optimizing): Ditto.
6410 (execute_init_datastructures): Ditto.
6411 * tree-object-size.c (compute_object_sizes): Ditto.
6412 * combine.c (rest_of_handle_combine): Ditto.
6413 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6414 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6415 (rest_of_handle_reorder_blocks): Ditto.
6416 (rest_of_handle_partition_blocks): Ditto.
6417 * var-tracking.c (variable_tracking_main): Ditto.
6418 * tree-profile.c (tree_profiling): Ditto.
6419 * tree-vect-generic.c (expand_vector_operations): Ditto.
6420 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6421 * sched-rgn.c (rest_of_handle_sched): Ditto.
6422 (rest_of_handle_sched2): Ditto.
6423 * basic-block.h (free_bb_insn): Ditto.
6424 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6425 * tree-cfg.c (execute_build_cfg): Ditto.
6426 (remove_useless_stmts): Ditto.
6427 (split_critical_edges): Ditto.
6428 (execute_warn_function_return): Ditto.
6429 (execute_warn_function_noreturn): Ditto.
6430 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6431 * cfgrtl.c (free_bb_for_insn): Ditto.
6432 * passes.c (execute_one_pass): Run additional
6433 todos returned by execute function.
6434 * tree-pass.h (struct tree_opt_pass): Make execute
6437 2006-03-02 Richard Guenther <rguenther@suse.de>
6439 * tree-ssa-alias.c (find_used_portions): Consider taking
6440 the address as making the variable not write-only.
6442 2006-03-02 Nick Clifton <nickc@redhat.com>
6444 * config.gcc (default_use_cxa_atexit): Extend the description of
6445 this configure variable. Set its default value to "yes" for
6446 Linux, NetBSD and ELF targets on the assumption that they will
6447 use C libraries with the __cxa_atexit function.
6449 2006-03-02 Ben Elliston <bje@au.ibm.com>
6451 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6452 parameter as unused to suppress a build warning.
6454 2006-03-02 Ben Elliston <bje@au.ibm.com>
6456 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6459 2006-03-01 Roger Sayle <roger@eyesopen.com>
6462 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6463 declared name, the weak reference name, and the typeof name.
6464 (__gthrw): Avoid expanding the declared name suffix.
6465 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6467 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6469 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6471 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6472 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6473 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6474 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6475 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6476 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6477 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6478 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6479 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6480 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6481 (DW_END_default, DW_END_big, DW_END_little): New.
6482 (DW_END_lo_user, DW_END_hi_user): Define.
6483 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6484 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6485 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6488 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6490 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6492 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6494 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6496 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6498 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6499 to 'symbol_mem_tag'.
6501 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6504 2006-03-01 Roger Sayle <roger@eyesopen.com>
6506 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6508 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6511 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6512 MACHO_DYNAMIC_NO_PIC_P.
6513 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6515 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6518 * config/darwin-protos.h (darwin_asm_output_anchor):
6520 * config/darwin-sections.def (cstring_section):
6521 Add SECTION_MERGE to the flags.
6522 (literal4_section): Likewise.
6523 (literal8_section): Likewise.
6524 (objc_selector_refs_section): Likewise.
6525 (objc_cls_refs_section): Likewise.
6526 * config/darwin.c (darwin_asm_output_anchor): New
6528 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6530 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6532 Fix PR tree-optimization/26443
6533 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6534 to todo and PROP_tmt_usage to properties_destroyed.
6535 * tree-ssa-ccp.c (pass_ccp): Ditto.
6536 (pass_store_ccp): Ditto.
6537 * tree-ssa-dom.c (pass_dominator): Ditto.
6539 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6541 * tree-ssa-operands.c: Cleanup whitespace.
6542 (get_asm_expr_operands): Move before first invocation.
6543 (get_indirect_ref_operands): Likewise.
6544 (get_tmr_operands): Likewise.
6545 (get_call_expr_operands): Likewise.
6546 (append_def): Likewise.
6547 (append_use): Likewise.
6548 (append_v_may_def): Likewise.
6549 (append_v_must_def): Likewise.
6550 (add_call_clobber_ops): Likewise.
6551 (add_call_read_ops): Likewise.
6552 (add_stmt_operand): Likewise.
6553 (add_virtual_operand): Likewise.
6554 (build_ssa_operands): Likewise.
6556 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6561 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6562 with a call expr to ...
6563 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6565 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6567 * tree-vrp.c (extract_range_from_assert): Remove special
6568 handling for types with super-types.
6570 2006-03-01 Ben Elliston <bje@au.ibm.com>
6572 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6573 and powerpc64-*-linux* configurations.
6574 * config/t-dfprules: New file.
6576 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6577 Compile dfp-bit.c from the source directory using -DWIDTH and
6578 $DFP_CFLAGS to control the compilation of that file, rather than
6579 generating width-specific versions in the build directory.
6580 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6581 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6583 2006-02-28 Zack Weinberg <zackw@panix.com>
6585 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6588 2006-02-28 Eric Christopher <echristo@apple.com>
6590 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6591 Set up IN_LIBGCC definition of TARGET_64BIT.
6592 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6594 2006-02-28 Roger Sayle <roger@eyesopen.com>
6597 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6598 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6599 cases via the construction of "expr != 0".
6601 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6603 * alias.c (alias_invariant, alias_invariant_size): Remove.
6604 (record_base_value): Remove.
6605 (memrefs_conflict_p): Don't look at alias_invariant.
6606 (end_alias_analysis): Don't free it.
6607 * alias.h (record_base_value): Remove prototype.
6609 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6610 Adam Nemet <anemet@caviumnetworks.com>
6612 * rtl.h (truncated_to_mode): Declare it.
6613 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6614 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6615 (RTL_HOOKS_INITIALIZER): Include it.
6616 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6617 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6618 reg_truncated_to_mode.
6619 * rtlanal.c (truncated_to_mode): Define it.
6620 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6622 2006-02-28 Jeff Law <law@redhat.com>
6624 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6625 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6626 the range allowed by TYPE_PRECISION.
6628 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6630 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6632 PR tree-optimization/26419
6633 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6636 2006-02-27 Zack Weinberg <zackw@panix.com>
6638 * doc/md.texi: Fix typo in previous change.
6640 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6644 2006-02-27 Zack Weinberg <zackw@panix.com>
6646 * rtl.def (define_constraint, define_register_constraint)
6647 (define_memory_constraint, define_address_constraint): New MD forms.
6648 * gensupport.c (process_rtx): Put define_constraint etc on the
6650 * genpreds.c (process_define_predicate): Adjust comment. Validate
6651 the name, and call validate_exp to validate the expression.
6652 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6653 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6654 all callers changed.
6655 (validate_exp, needs_variable, struct constraint_data)
6656 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6657 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6658 (const_dbl_constraints, constraint_max_namelen)
6659 (have_register_constraints, have_memory_constraints)
6660 (have_address_constraints, have_address_constraints)
6661 (have_extra_constraints, have_const_int_constraints)
6662 (have_const_dbl_constraints, mangle, add_constraint)
6663 (process_define_constraint, process_define_register_constraint)
6664 (write_enum_constraint_num, write_lookup_constraint)
6665 (write_insn_constraint_len, write_regclass_for_constraint)
6666 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6667 (write_insn_extra_memory_constraint)
6668 (write_insn_extra_address_constraint)
6669 (write_satisfies_constraint_fns): New.
6670 (write_tm_preds_h): If we have new-style constraint definitions,
6671 prototype the functions generated from them, and define the
6672 old constraint interface (still used by generic code) in terms of
6674 (write_insn_preds_c): If we have new-style constraint definitions,
6675 generate all relevant functions from those definitions.
6676 (main): Handle define_constraint etc.
6677 * genoutput.c (struct constraint_data, indep_constraints)
6678 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6679 (mdep_constraint_len): New data structures and functions, defined
6680 #ifdef USE_MD_CONSTRAINTS.
6681 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6682 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6683 use new logic to validate operand constraints against constraint
6685 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6687 * defaults.h: If none of the old-style constraint macros are
6688 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6689 old-style macros; and poison REG_CLASS_FROM_LETTER,
6690 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6692 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6693 * doc/md.texi: Document new constraint-definition mechanism and the
6694 C interface it provides. Remove references to old mechanism
6695 elsewhere in the document.
6696 (Machine Constraints): Use pathnames relative to gcc directory,
6697 i.e. config/ARCH/FILE. Change i386 section to refer to
6698 config/i386/predicates.md; update that section to match docstrings.
6699 * doc/tm.texi: Move all documentation of the old constraint-
6700 definition macros to their own section, clearly mark as obsolete.
6702 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6703 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6705 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6706 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6707 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6709 (splits and peepholes): Use satisfies_constraint_*.
6710 * config/i386/i386.c (memory_address_length)
6711 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6713 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6715 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6716 scalar operation to be put back into the loop.
6718 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6721 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6722 (extract_cie_info): Handle S flag in augmentation string.
6723 (execute_cfa_program): If context->signal_frame, execute also
6724 fs->pc == context->ra instructions.
6725 (uw_frame_state_for): If context->signal_frame, don't subtract one
6726 from context->ra to find FDE.
6727 (uw_update_context_1): Set context->signal_frame to
6729 (_Unwind_GetIPInfo): New function.
6730 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6731 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6733 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6734 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6735 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6736 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6737 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6738 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6739 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6740 x86_64_fallback_frame_state): Set fs->signal_frame.
6741 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6742 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6743 (frob_update_context): Likewise. Workaround missing S flag in
6744 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6745 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6746 Remove the psw_addr + 1 hack.
6748 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6750 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6751 with aggregates here.
6752 (find_func_aliases): Remove code for &<aggregate> from here.
6754 2006-02-26 Roger Sayle <roger@eyesopen.com>
6756 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6757 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6758 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6761 2006-02-26 Roger Sayle <roger@eyesopen.com>
6764 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6766 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6768 * opts.c (decode_options): Do not handle flag_strength_reduce.
6769 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6770 and OPT_fstrength_reduce.
6771 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6772 flag_prefetch_loop_arrays for being nonzero.
6773 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6775 (fprefetch-loop-arrays-rtl): Removed.
6776 (flag_prefetch_loop_arrays): Do not specify the value.
6778 * doc/passes.texi: Update documentation of loop optimizer
6780 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6781 -frerun-loop-opt): Remove.
6783 2006-02-26 Richard Guenther <rguenther@suse.de>
6785 PR tree-optimization/26421
6786 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6787 in function calls that are ADDR_EXPRs as using the whole structure.
6789 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6791 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6792 * tree-pass.h (pass_loop_optimize): Remove.
6793 * passes.c (pass_loop_optimize): Never run it.
6794 * toplev.c (backend_init): Don't call init_loop.
6795 * opts.c (flag_loop_optimize_set): Remove.
6796 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6797 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6798 the old RTL loop optimizer when profiling enabled.
6799 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6800 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6801 pre-headers for the sake of the old RTL loop optimizer.
6802 * Makefile.in: Remove all references to loop.o.
6804 * doc/invoke.texi: Remove all references to -floop-optimize
6805 and -frerun-loop-opt.
6807 2006-02-26 Zack Weinberg <zackw@panix.com>
6809 * doc/md.texi (Machine Constraints): Refer to all files with paths
6810 relative to gcc directory (i.e. config/CPU/file). Add missing
6811 @table @code ... @end table to M32C subsection.
6813 2006-02-26 Roger Sayle <roger@eyesopen.com>
6815 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6817 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6819 2006-02-26 Roger Sayle <roger@eyesopen.com>
6820 James A. Morrison <phython@gcc.gnu.org>
6823 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6824 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6825 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6826 signedness of the shift operation.
6828 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6830 PR tree-optimization/26359
6831 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6833 2006-02-25 Roger Sayle <roger@eyesopen.com>
6835 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6836 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6837 as X == 0, and some symmetry related transformations.
6838 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6840 2006-02-25 Roger Sayle <roger@eyesopen.com>
6843 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6844 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6845 symmetry related transformations. Fold (X^C1) == C2 as
6848 2006-02-25 Juergen Weigert <jw@suse.de>
6849 Richard Guenther <rguenther@suse.de>
6851 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6853 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6855 * combine.c (gen_lowpart_or_truncate): Call
6856 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6858 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6860 * doc/invoke.texi: Move -fopenmp description to "Options for
6862 Remove reference to -lgomp.
6864 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6866 * doc/install.texi: Require GNU tar version 1.14.
6868 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6870 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6871 * doc/invoke.texi (C++ Dialect Options): Document
6872 -fno-use-cxa-get-exception-ptr.
6873 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6874 * configure: Regenerate.
6875 * c.opt (fuse-cxa-get-exception-ptr): New.
6876 * c-opts.c (c_common_handle_option): Handle
6877 OPT_fuse_cxa_get_exception_ptr.
6878 * c-common.c (flag_use_cxa_atexit): Update documentation.
6879 (flag_use_cxa_get_exception_ptr): New.
6880 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6881 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6883 (C_COMMON_OVERRIDE_OPTIONS): New.
6885 2006-02-24 Roger Sayle <roger@eyesopen.com>
6888 * combine.c (try_combine): Explicitly check whether GET_CODE is
6889 a SET or a CLOBBER, instead on checking that it isn't a USE.
6891 2006-02-24 Roger Sayle <roger@eyesopen.com>
6893 * fold-const.c (fold_comparison): New subroutine of fold_binary
6894 containing transformations common to both the equality and
6895 ordering relational operators, factored out of fold_binary.
6896 (fold_binary): Separate out the equality operators (EQ_EXPR
6897 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6898 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6899 transformations common to both.
6900 (fold_div_compare): Fix latent bugs in the previously unreachable
6901 LT_EXPR and GE_EXPR cases.
6903 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6905 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6906 decl libname for clog to __clog on AIX.
6908 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6910 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6913 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6914 output traceback table for thunks. Localise rs6000_stack_info call.
6916 2006-02-23 Roger Sayle <roger@eyesopen.com>
6917 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6919 * gthr-posix.h (__gthrw): Fix typo in comment.
6921 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6923 * doc/cpp.texi (Character sets): Document that we do support
6924 input files to be in any character set.
6926 2006-02-23 Jeff Law <law@redhat.com>
6928 * tree.h (PHI_ARG_NONZERO): Remove.
6929 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6930 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6931 node to the new node.
6933 PR tree-optimization/26425
6934 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6935 min/max, then assume its varying.
6937 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6939 PR rtl-optimization/26316
6940 * rtlanal.c (enum may_trap_p_flags): New.
6941 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6942 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6943 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6944 (may_trap_after_code_motion_p): New function.
6945 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6946 (find_invariant_insn): Use may_trap_after_code_motion_p.
6947 * rtl.h (may_trap_after_code_motion_p): Declare.
6949 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6951 * emit-rtl.c (immed_double_const): Cleanup.
6953 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6955 Fix PR tree-optimization/26376
6956 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6959 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6962 * gimplify.c (omp_add_variable): Guard variable size decl test with
6963 DECL_SIZE (decl) check.
6965 2006-02-23 Richard Guenther <rguenther@suse.de>
6968 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6969 like aggregate types.
6971 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6973 * configure.ac: Add --with{,out}-long-double-128 configure option.
6974 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6975 * configure: Rebuilt.
6976 * config.in: Rebuilt.
6977 * doc/install.texi (Options specification): Document
6978 --with-long-double-128.
6980 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6981 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6982 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6983 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6985 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6987 * config/s390/s390.c (override_options): Handle
6988 TARGET_DEFAULT_LONG_DOUBLE_128.
6990 * config/alpha/alpha.c (override_options): Handle
6991 TARGET_DEFAULT_LONG_DOUBLE_128.
6993 * config/sparc/sparc.c (sparc_override_options): Handle
6994 TARGET_DEFAULT_LONG_DOUBLE_128.
6996 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6998 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6999 (real-install-headers-tar, real-install-headers-cpio)
7000 (real-install-headers-cp): New targets.
7002 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7004 * tree.h (variable_section): Delete.
7005 * varasm.c (variable_section): Delete.
7007 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7009 * install.texi: Add notes on install.texi2html.
7010 (Building in parallel): Do not use footnotes.
7012 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7015 * doc/install.texi (Configuration): Document --disable-libgomp.
7017 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7019 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7021 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7023 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7024 (vec_extractv2df_0_sse): New.
7026 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7028 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7029 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7030 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7031 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7032 to the result of the expression.
7033 (def_cfa_1): Adjust.
7034 (frame_pointer_cfa_offset): Rename to...
7035 (frame_pointer_fb_offset): ... this. Adjust all uses.
7036 (convert_cfa_to_loc_list): Rename to...
7037 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7038 Pass it on to build_cfa_loc.
7039 (compute_frame_pointer_to_cfa_displacement): Rename to...
7040 (compute_frame_pointer_to_fb_displacement): ... this. New
7041 offset parameter. Use it in computation.
7042 (gen_subprogram_die): Compute cfa_fb_offset with the new
7043 macro, and use it to compute the fb loc list and the
7046 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7048 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7049 replaced with register_operand.
7050 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7051 non-DREG is expensive.
7052 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7053 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7056 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7058 * doc/install.texi2html: Use set -e.
7060 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7062 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7063 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7064 * doc/invoke.texi (-fshared-data): Delete.
7065 * common.opt (fshared-data): Delete.
7066 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7067 (assemble_static_space): Remove #if 0 code.
7068 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7069 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7070 * config/cris/cris.h: Remove FIXME.
7072 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7074 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7077 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7080 * combine.c (simplify_shift_const_1): Disable nested shifts
7081 optimization for vector shifts.
7083 2006-02-20 Roger Sayle <roger@eyesopen.com>
7085 PR tree-optimization/26361
7086 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7087 of unsigned integer types.
7089 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7091 * tree-chrec.c (eq_evolutions_p): New.
7092 * tree-chrec.h (eq_evolutions_p): Declared.
7093 * tree-data-ref.c: Fix formatting.
7094 (datadep_stats, dependence_stats): New.
7096 (print_direction_vector): New.
7097 (dump_data_dependence_relation): Use print_direction_vector.
7098 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7099 (compute_subscript_distance): Static.
7100 (initialize_data_dependence_relation): Static. Get the number
7101 of loops surrounding the references from the callers, and initialize
7102 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7103 base_object_differ_p analyzers.
7104 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7105 compute_overlap_steps_for_affine_1_2,
7106 analyze_subscript_affine_affine): Count the classified dependences.
7107 Print a message when a test failed.
7108 (can_use_analyze_subscript_affine_affine): New.
7109 (analyze_siv_subscript): Compute the data dependences on symbolic
7110 scevs that verify can_use_analyze_subscript_affine_affine.
7111 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7112 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7113 Handle symbolic scevs.
7114 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7116 (subscript_dependence_tester): Moved...
7117 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7118 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7119 DDR_SIZE_VECT instead of getting it in parameter.
7120 (subscript_dependence_tester): ... here. Take as a parameter
7121 loop_nest_depth. Call build_classic_dist_vector and
7122 build_classic_dir_vector.
7123 (compute_affine_dependence): Update subscript_dependence_tester
7124 parameters. Update datadep_stats counters. Call
7125 compute_subscript_distance.
7126 (compute_self_dependence): Save the dist and dir vectors. Call
7127 compute_subscript_distance.
7128 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7129 (compute_all_dependences): Reorder parameters as they were before
7130 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7131 compute_subscript_distance. Update the use of
7132 compute_affine_dependence and initialize_data_dependence_relation.
7133 (find_data_references_in_loop): Handle COMPONENT_REF.
7134 (compute_data_dependences_for_loop): Initialize dependence_stats.
7135 Don't call build_classic_dist_vector and build_classic_dir_vector.
7136 Update the parameters of initialize_data_dependence_relation and
7137 compute_all_dependences. Print the statistics from datadep_stats.
7138 (analyze_all_data_dependences): Static. Not used until the pass for
7139 checking the data dependences is contributed.
7140 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7141 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7142 (initialize_data_dependence_relation, compute_affine_dependence,
7143 analyze_all_data_dependences, compute_subscript_distance): Removed.
7144 (print_direction_vector): New.
7145 * lambda.h (gcd): ... here.
7146 (lambda_vector_gcd): Moved here from gcd_vector.
7147 * lambda-code.c (gcd, gcd_vector): Removed.
7148 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7149 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7151 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7153 * ipa-type-escape.c: Tidy some comments and white space.
7154 * tree-ssa-operands.c: Likewise.
7156 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7159 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7160 (dump_decl_name): Do not walk the decl tree chains.
7161 * tree-pass.h (TDF_CHAIN): Remove.
7163 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7165 * Makefile.in (C): Remove
7167 (.PHONY): Remove C and PROTO
7169 2006-02-20 Roger Sayle <roger@eyesopen.com>
7172 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7173 deprecated CHAR_TYPE tree code.
7175 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7177 * configure.ac (target_list): Add install-info, dvi, html.
7178 * configure: Regenerate.
7180 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7181 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7182 treelang/Make-lang.in: Do not use double-colon rules.
7184 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7186 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7187 (TMT_USED_ALONE): New macro.
7188 * tree-pass.h (PROP_tmt_usage): New property.
7189 (TODO_update_tmt_usage): New todo.
7190 * tree-ssa-alias.c (updating_used_alone): New variable.
7191 (recalculate_used_alone): New function.
7192 (compute_may_aliases): Set updating_used_alone, call
7193 recalculate_used_alone.
7194 * tree-sra.c (pass_sra): Note that this pass destroys
7195 PROP_tmt_usage, and add TODO_update_tmt_usage.
7196 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7197 * tree-flow.h (updating_used_alone): Prototype.
7198 (recalculate_used_alone): Ditto.
7199 * passes.c (execute_todo): Add code to set updating_used_alone,
7200 and call recalculate.
7201 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7202 for clobber if used alone, and add assert to verify used_alone
7205 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7207 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7208 for non tls symbols added.
7209 (legitimize_address): Do nothing for PLUS expressions if one of the
7210 addends is a tls symbol reference.
7212 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7216 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7218 * Makefile.in (BOOTSTRAPPING): New.
7219 (quickstrap): New definition if BOOTSTRAPPING=yes.
7221 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7222 * configure.ac: Substitute all_selected_languages with the languages
7223 that were configured. For all the other variables except
7224 lang_specs_files, include all the languages in the tree.
7225 * configure: Regenerate.
7227 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7228 if there is one. Run the commands to run fixincludes in the same
7231 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7232 * doc/install.texi: Document exact conventions for searching target tools.
7233 Document --with-build-time-tools. Document toplevel bootstrap. Document
7234 something more about building an Ada cross-compiler. Don't list GNU Make
7235 requirements which affect all platforms.
7237 2006-02-19 Roger Sayle <roger@eyesopen.com>
7240 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7241 only equivalent if the have both the same mode and precision.
7243 2006-02-20 Ben Elliston <bje@au.ibm.com>
7245 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7247 2006-02-19 Roger Sayle <roger@eyesopen.com>
7248 Steven Bosscher <stevenb.gcc@gmail.com>
7250 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7251 constant pool references to identify stack mode constants.
7252 * rtlanal.c (constant_pool_constant_p): New predicate to check
7253 whether operand is a floating point constant in the pool.
7254 * rtl.h (constant_pool_constant_p): Prototype here.
7255 * loop.c (scan_loop): Avoid hoisting constants from the constant
7256 pool on STACK_REGS targets.
7257 (load_mems): Likewise.
7258 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7259 loads into x87 registers expensive in terms of register pressure.
7261 2006-02-19 Roger Sayle <roger@eyesopen.com>
7263 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7264 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7266 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7268 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7269 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7271 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7273 * doc/invoke.texi: Document -fipa-pta.
7274 * common.opt: Add ipa-pta option.
7275 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7276 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7277 (do_ds_constraint): Ditto.
7278 (get_constraint_for): Only add to referenced_vars if
7279 referenced_vars exists.
7280 (insert_into_field_list): Rewrite to do this unsorted.
7281 (insert_into_field_list_sorted): Rename old insert_into_field_list
7283 (create_function_info_for): Use insert_into_field_list_sorted.
7284 (create_variable_info_for): Rewrite so it uses unsorted version,
7285 since the field list is sorted.
7286 (intra_create_variable_infos): Only add to referenced_vars if
7287 referenced_vars exists.
7288 (ipa_pta_execute): Init heapvars, and delete when done.
7289 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7291 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7293 * doc/install.texi: Add missing `@samp'.
7295 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7297 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7300 2006-02-18 Mark Wielaard <mark@klomp.org>
7302 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7303 who added new 4.1 features, bug fixes and integration support.
7305 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7308 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7311 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7313 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7314 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7315 (copy_insn_1): Likewise. Don't copy each field individually.
7317 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7319 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7320 * rtl.c (rtx_size): Rename variable to...
7321 (rtx_code_size): ...this.
7322 (rtx_size): New function.
7323 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7324 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7326 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7327 * rtl.h (rtx_code_size): New variable.
7328 (rtx_size): Change from a variable to a function.
7329 (RTX_SIZE): Rename to...
7330 (RTX_CODE_SIZE): ...this.
7333 PR tree-optimization/17106
7334 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7335 (Anchored Addresses): New section.
7336 * doc/invoke.texi (-fsection-anchors): Document.
7337 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7338 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7339 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7340 * hooks.c (hook_bool_mode_rtx_false): New function.
7341 * hooks.h (hook_bool_mode_rtx_false): Declare.
7342 * gengtype.c (create_optional_field): New function.
7343 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7344 SYMBOL_REF_IN_BLOCK_P is true.
7345 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7346 (min_anchor_offset, max_anchor_offset): Likewise.
7347 (use_anchors_for_symbol_p): New hook.
7348 * toplev.c (compile_file): Call output_object_blocks.
7349 (target_supports_section_anchors_p): New function.
7350 (process_options): Check that -fsection-anchors is only used on
7351 targets that support it and when -funit-at-a-time is in effect.
7352 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7353 if the decl doesn't have one.
7354 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7355 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7356 of force_const_mem through use_anchored_address.
7357 (expand_expr_constant): New function.
7358 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7359 calling expand_expr for INDIRECT_REF.
7360 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7361 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7362 * expr.h (use_anchored_address): Declare.
7363 * loop-unroll.c: Don't declare rtx vectors here.
7364 * explow.c: Include output.h.
7365 (validize_mem): Call use_anchored_address.
7366 (use_anchored_address): New function.
7367 * common.opt (-fsection-anchors): New switch.
7368 * varasm.c (object_block_htab, anchor_labelno): New variables.
7369 (hash_section, object_block_entry_eq, object_block_entry_hash)
7370 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7371 (use_blocks_for_decl_p, change_symbol_section): New functions.
7372 (get_variable_section): New function, split out from assemble_variable.
7373 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7374 use_blocks_for_decl_p say so. Use change_symbol_section if the
7375 symbol has already been created.
7376 (assemble_variable_contents): New function, split out from...
7377 (assemble_variable): ...here. Don't output any code for
7378 block symbols; just pass them to place_block_symbol.
7379 Use get_variable_section and assemble_variable_contents.
7380 (get_constant_alignment, get_constant_section, get_constant_size): New
7381 functions, split from output_constant_def_contents.
7382 (build_constant_desc): Create a block symbol if use_object_blocks_p
7383 says so. Or into SYMBOL_REF_FLAGS.
7384 (assemble_constant_contents): New function, split from...
7385 (output_constant_def_contents): ...here. Don't output any code
7386 for block symbols; just pass them to place_section_symbol.
7387 Use get_constant_section and get_constant_alignment.
7388 (force_const_mem): Create a block symbol if use_object_blocks_p and
7389 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7390 (output_constant_pool_1): Add an explicit alignment argument.
7391 Don't switch sections here.
7392 (output_constant_pool): Adjust call to output_constant_pool_1.
7393 Switch sections here instead. Don't output anything for block symbols;
7394 just pass them to place_block_symbol.
7395 (init_varasm_once): Initialize object_block_htab.
7396 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7397 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7398 (place_block_symbol, get_section_anchor, output_object_block)
7399 (output_object_block_htab, output_object_blocks): New functions.
7400 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7401 (TARGET_ASM_OUT): Include it.
7402 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7403 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7404 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7405 (TARGET_INITIALIZER): Include them.
7406 * rtl.c (rtl_check_failed_block_symbol): New function.
7407 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7408 (block_symbol, object_block): New structures.
7409 (rtx_def): Add a block_symbol field to the union.
7410 (BLOCK_SYMBOL_CHECK): New macro.
7411 (rtl_check_failed_block_symbol): Declare.
7412 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7413 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7414 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7415 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7416 * output.h (output_section_symbols): Declare.
7417 (object_block): Name structure.
7418 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7419 (default_use_anchors_for_symbol_p): Declare.
7420 * Makefile.in (RTL_BASE_H): Add vec.h.
7421 (explow.o): Depend on output.h.
7422 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7423 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7424 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7425 (rs6000_use_blocks_for_constant_p): New function.
7427 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7429 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7431 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7434 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7437 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7439 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7443 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7446 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7447 instead of DECL_REGISTER.
7449 2006-02-18 Olivier Hainque <hainque@adacore.com>
7452 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7454 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7457 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7458 * opth-gen.awk: Handle Var and InverseMask together.
7459 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7460 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7461 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7462 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7464 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7465 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7466 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7467 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7468 LINUX_DYNAMIC_LINKER): Define.
7469 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7470 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7472 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7473 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7474 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7475 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7476 (TARGET_C99_FUNCTIONS): Don't define.
7477 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7478 GLIBC_DYNAMIC_LINKER.
7479 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7480 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7481 GLIBC_DYNAMIC_LINKER64): Define.
7482 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7483 LINUX_DYNAMIC_LINKER64.
7484 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7485 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7486 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7487 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7488 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7489 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7490 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7491 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7492 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7493 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7494 and LINUX_DYNAMIC_LINKER32.
7495 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7496 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7497 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7498 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7499 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7501 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7502 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7503 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7504 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7505 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7506 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7507 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7508 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7509 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7510 LINUX_DYNAMIC_LINKER): Define.
7511 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7512 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7513 GLIBC_DYNAMIC_LINKER64): Define.
7514 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7515 LINUX_DYNAMIC_LINKER64.
7516 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7517 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7518 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7519 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7520 LINUX_DYNAMIC_LINKER): Define.
7521 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7522 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7523 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7524 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7525 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7526 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7527 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7528 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7529 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7530 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7531 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7532 * doc/invoke.texi (-muclibc): Remove caveat about supported
7535 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7537 * doc/cpp.texi (__TIMESTAMP__): Document.
7539 2006-02-17 Roger Sayle <roger@eyesopen.com>
7542 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7543 C is one less than the width of X (and related transformations).
7544 * simplify-rtx.c (simplify_unary_operation_1): Transform
7545 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7546 depending on STORE_FLAG_VALUE, were C is one less then the
7549 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7551 Fix PR tree-optimization/26341
7552 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7553 about NAME_MEMORY_TAG's.
7555 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7558 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7559 with hardware float support, and software float support. Add fcpy
7560 alternative to hardware patterns. Add alternatives to copy between
7561 general and floating-point registers to the 32-bit pattern.
7562 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7563 secondary reload to load a QI or HI mode constant into a floating
7565 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7566 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7568 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7571 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7573 (load_macho_picbase_di): Likewise.
7575 2006-02-16 Jeff Law <law@redhat.com>
7577 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7578 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7579 (ssa_name_nonzero_p): Likewise.
7580 (get_value_range): Return NULL if VRP is not running.
7581 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7582 VRP routines do not discover a range.
7583 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7584 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7585 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7586 (tree_expr_nonnegative_p): Similarly.
7587 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7588 (restore_nonzero_vars_to_original_value): Remove.
7589 (unsafe_associative_fp_binop): Remove.
7590 (tree_ssa_dominator_optimize): Remove initialization and
7591 finalization of nonzero_vars and nonzero_vars_stack.
7592 (dom_opt_initialize_block): No longer push marker on
7594 (dom_opt_finalize_block): No longer call
7595 restore_nonzero_vars_to_original_value.
7596 (record_equivalences_from_phis): No longer look for
7597 nonzero PHI arguments.
7598 (cprop_into_successor_phis): No longer propagate nonzero
7599 property into PHI arguments. Lose unused argument. Caller
7601 (record_equivalences_from_stmt): No longer record nonzero
7602 values for SSA_NAMEs.
7603 (lookup_avail_expr): No longer use nonzero_vars.
7605 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7606 for sizetype when sizetype is unsigned.
7608 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7610 PR rtl-optimization/25603
7611 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7612 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7613 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7614 with new meaning of SETS.
7616 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7621 * config/linux.opt: New file.
7622 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7623 LINUX_DYNAMIC_LINKER): Define.
7624 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7625 * config.gcc (*-*-linux*): Define extra_options.
7626 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7627 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7628 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7629 GLIBC_DYNAMIC_LINKER.
7630 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7631 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7632 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7633 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7634 * doc/invoke.texi (GNU/Linux Options): New section.
7636 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7638 * config/sparc/sparc.md (setjmp): Rewrite.
7639 (setjmp_32): Delete.
7640 (setjmp_64): Likewise.
7642 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7644 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7647 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7649 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7652 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7654 PR rtl-optimization/26296
7655 * Makefile.in (loop-invariant.c): Add except.h dependency.
7656 * loop-invariant.c: Include except.h.
7657 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7659 2005-02-16 Paul Brook <paul@codesourcery.com>
7661 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7664 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7666 PR rtl-optimization/25636
7667 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7668 when deciding whether an insn is an initializing insn.
7670 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7672 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7673 (tree_code_size): Ditto.
7674 * tree.h (struct tree_memory_tag): Remove parent_var.
7675 (struct tree_struct_field_tag): New.
7678 (union tree_node): Add sft member.
7679 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7681 (create_sft): Add size and offset argument, set SFT_OFFSET and
7683 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7684 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7685 * tree-flow-inline.h (get_subvar_at): Update for
7686 SFT_OFFSET/SFT_SIZE.
7687 (var_can_have_subvars): Ditto.
7688 (overlap_subvar): Ditto.
7689 * print-tree.c (print_node): Print out interesting things for
7691 * tree-flow.h (struct subvar): Remove offset and size members.
7692 * tree-ssa-operands.c (get_expr_operands): Update for
7693 get_indirect_ref_operands changes.
7694 (get_indirect_ref_operands): Call add_virtual_operand instead of
7695 add_stmt_operand. Only recurse on base var if requested.
7696 (access_can_touch_variable): New function.
7697 (add_stmt_operand): Split virtual operand handling into ...
7698 (add_virtual_operand): Here. Add offset, size, and for_clobber
7699 arguments. Prune alias sets.
7700 (add_call_clobber_ops): Call add_virtual_operand.
7702 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7705 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7707 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7708 than TREE_CODE as index into omp_clause_num_ops array.
7710 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7712 PR rtl-optimization/26184
7713 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7715 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7716 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7717 must_precede, must_follow and tobe_scheduled.
7720 * opts.c (common_handle_option): Free new_option pointer.
7721 * df-core.c (df_analyze): Free postorder pointer.
7723 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7725 * Makefile.in: Fix the examples about the use of stamps
7727 2006-02-15 Michael Matz <matz@suse.de>
7731 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7732 influenced by maximum_field_alignment or DECL_PACKED.
7733 (update_alignment_for_field): Ditto.
7734 (place_field): Ditto.
7735 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7738 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7740 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7741 (debug_flow_info): Pass it.
7742 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7743 * bb-reorder.c (reorder_basic_blocks): Likewise.
7744 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7745 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7746 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7747 * gcse.c (gcse_main, bypass_jumps): Likewise.
7748 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7749 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7750 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7751 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7752 * rtl.h (dump_flow_info): Adjust prototype.
7753 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7754 * var-tracking.c (variable_tracking_main): Likewise.
7755 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7756 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7759 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7761 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7764 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7766 PR tree-optimization/26209
7767 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7768 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7770 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7772 2006-02-14 Roger Sayle <roger@eyesopen.com>
7775 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7776 (X,Y) and the corresponding symmetry related transformations.
7777 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7778 (X,Y) and its symmetry related transformations.
7780 2006-02-14 Roger Sayle <roger@eyesopen.com>
7782 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7785 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7787 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7789 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7792 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7793 support COMDAT group.
7794 * configure: Regenerate.
7796 2006-02-14 Roger Sayle <roger@eyesopen.com>
7801 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7803 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7805 Fix PR tree-optimization/26260
7807 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7809 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7810 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7811 * tree-ssa-structalias.c (create_variable_info_for): Use
7812 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7814 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7816 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7818 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7819 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7820 of the ending condition.
7821 * tree-ssa-loop-manip.c: Include params.h.
7822 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7823 tree_unroll_loop): New functions.
7824 * tree-pass.h (pass_loop_prefetch): Declare.
7825 * loop.c (rest_of_handle_loop_optimize): Test for
7826 -fprefetch-loop-arrays-rtl.
7827 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7828 * timevar.def (TV_TREE_PREFETCH): New timevar.
7829 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7830 pass_loop_prefetch): New.
7831 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7832 (cleanup_tree_cfg_loop): Call scev_reset.
7833 * common.opt (fprefetch-loop-arrays-rtl): Add.
7834 * tree-ssa-loop-prefetch.c: New file.
7835 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7836 (new_temp_expr_table): Initialize expr_vars.
7837 (free_temp_expr_table): Cleanup expr_vars.
7838 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7839 expressions from being merged into one.
7840 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7841 (struct tree_niter_desc): Add control, bound and cmp fields.
7842 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7844 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7845 (tree-cfgcleanup.o): Add SCEV_H dependency.
7846 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7847 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7849 2006-02-14 Richard Guenther <rguenther@suse.de>
7851 PR tree-optimization/26258
7852 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7853 in PHI argument processing.
7855 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7857 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7858 new expression in the requested machine mode.
7860 2006-02-13 Roger Sayle <roger@eyesopen.com>
7862 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7863 directly, instead let do_compare_rtx_and_jump handle this for us.
7864 * expr.c (expand_expr_real_1): Likewise.
7865 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7866 before do_jump_by_parts_greater.
7867 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7868 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7870 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7872 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7874 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7876 PR rtl-optimization/26235
7877 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7878 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7881 2006-02-13 Jeff Law <law@redhat.com>
7883 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7886 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7889 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7890 twice if decl is a builtin. When trying again, call get_callee_fndecl
7891 first to verify it is still a builtin.
7893 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7895 * dwarf2out.c (base_type_die): Don't add AT_name here.
7896 (subrange_type_die): Don't add AT_name here.
7897 (modified_type_die): Rearrange code flow. Do add AT_name here.
7899 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7901 PR rtl-optimization/26247
7902 PR rtl-optimization/26248
7903 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7905 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7907 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7908 * config/fixtfdi.c: Likewise.
7909 * config/fixunstfdi.c: Likewise.
7910 * config/floatditf.c: Likewise.
7912 2006-02-13 Roger Sayle <roger@eyesopen.com>
7915 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7916 into (X,C2) if C1 is a subset of the bits of C2. Transform
7917 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7919 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7921 2006-02-13 Josh Conner <jconner@apple.com>
7924 * varasm.c (function_section): Check for section name before
7925 calling select_section on targets that define
7926 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7927 unlikely_text_section instead of hot_function_section if
7928 first_function_block_is_cold.
7930 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7933 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7935 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7937 PR rtl-optimization/26222
7938 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7939 after tree->rtl expansion.
7940 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7941 before passing it to emit_move_insn.
7943 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7945 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7947 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7948 Clarify documentation.
7949 * c-common.h (warn_write_strings): Remove.
7950 * c-common.c (warn_write_strings): Likewise.
7951 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7954 2006-02-12 Roger Sayle <roger@eyesopen.com>
7957 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7958 (do_jump_parts_zero_rtx): New function renamed from
7959 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7960 (do_jump_parts_equality_rtx): New function split out from
7961 do_jump_parts_equality. Old implementation renamed as above.
7962 Call do_jump_parts_zero_rtx if either operand is zero.
7963 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7964 do all of the heavy lifting.
7965 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7966 calling either do_jump_by_parts_greater_rtx or
7967 do_jump_by_parts_equality_rtx.
7968 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7969 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7970 moved to do_compare_rtx_and_jump, call it directly.
7971 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7972 mode argument. Call do_compare_rtx_and_jump.
7973 (emit_case_nodes): Update calls to do_jump_if_equal.
7975 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7977 PR rtl-optimization/26225
7978 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7980 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7982 PR rtl-optimization/26232
7983 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7985 2006-02-11 Jason Merrill <jason@redhat.com>
7988 * tree-inline.c (declare_return_variable): Just don't use the
7989 modify target if it's a gimple complex reg and the return slot
7992 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7994 * doc/contrib.texi: Update my entry.
7996 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7998 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8000 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8002 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8005 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8007 * doc/invoke.texi (-floop-optimize2): Removed.
8008 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8009 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8010 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8011 * common.opt (floop-optimize2): Removed.
8012 (fmove-loop-invariants): Enabled by default.
8014 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8016 * tree-if-conv.c (combine_blocks): Free the result of
8017 get_loop_exit_edges.
8019 2006-02-10 Jeff Law <law@redhat.com>
8021 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8023 PR tree-optimization/26213
8024 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8025 loop trying to follow SSA_NAME_VALUE chains.
8027 2006-02-10 Richard Guenther <rguenther@suse.de>
8029 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8030 deal with structures that end in implicitly variable sized arrays.
8032 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8034 PR rtl-optimization/24762
8035 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8038 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8040 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8041 (struct ivopts_data): Add regs_used field.
8042 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8043 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8044 instead of loop_data->regs_used;
8045 (free_loop_data): Do not free aux fields for loops.
8046 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8047 and tree_ssa_iv_optimize_finalize.
8049 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8051 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8053 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8056 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8057 computing the effective result type.
8059 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8062 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8063 (tree_overlaps_hard_reg_set): Declare.
8064 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8065 type and signature to match function type expected by walk_tree.
8066 (tree_overlaps_hard_reg_set): New function.
8067 (decl_conflicts_with_clobbers_p): Rename to:
8068 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8069 Use tree_overlaps_hard_reg_set. Changed caller.
8070 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8071 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8072 * cris.c (cris_md_asm_clobbers): Likewise.
8074 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8076 * reload1.c (emit_input_reload_insns): Delete code that tries to
8077 inherit using find_equiv_reg.
8079 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8081 * c-common.h (flag_const_strings): Don't declare.
8082 * c-common.c (flag_const_strings): Remove.
8083 * c.opt (fconst_strings): Remove.
8084 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8085 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8086 (c_common_init_options): Don't set flag_const_strings.
8087 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8089 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8091 * arm.md (tlobits_cbranch): New pattern.
8092 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8093 testing a single bit.
8095 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8098 * tree-ssa-pre.c (create_component_ref_by_pieces):
8099 Handle RETURN_DECL like VAR_DECL.
8101 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8104 * fold-const.c (fold_indirect_ref_1): Fold
8105 "*(foo *)&complexfoo" to "__real__ complexfoo"
8106 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8108 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8110 * tree-flow-inline.h (var_can_have_subvars):
8111 Volatile variables should not have subvariables.
8113 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8116 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8117 multiplying unsigned values.
8120 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8122 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8124 2006-02-08 Jason Merrill <jason@redhat.com>
8127 * tree.def: Elaborate on difference from MODIFY_EXPR.
8128 * doc/c-tree.texi (INIT_EXPR): Likewise.
8129 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8130 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8131 (gimplify_target_expr): Likewise.
8132 (gimplify_cond_expr): Remove target handling.
8133 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8134 (gimplify_expr): Clobber it here.
8135 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8136 Do return slot optimization if we have an INIT_EXPR.
8139 * tree-inline.c (declare_return_variable): Also clear
8140 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8143 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8146 * gimplify.c (gimplify_one_sizepos): Fix typo.
8148 2006-02-08 Jeff Law <law@redhat.com>
8150 PR tree-optimization/21417
8151 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8152 across a backedge if the control statement at the end of the
8153 block is data dependent on other statements in the same block.
8154 (record_temporary_equivalences_from_stmts): Remove over-conservative
8155 test for threading across backedges.
8157 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8158 control statement, handle all three special cases in the same
8159 manner as they all have the same desired solution. No longer
8160 special case edge flag updating when the post dominator is
8163 2006-02-08 Roger Sayle <roger@eyesopen.com>
8165 * tree.def (CHAR_TYPE): Remove.
8166 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8167 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8168 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8169 (gen_string_type_die): Delete unreachable function.
8171 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8172 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8173 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8174 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8175 * builtins.c (type_to_class): Likewise.
8176 * fold-const.c (fold_convert, build_range_check,
8177 merge_ranges): Likewise.
8178 * expr.c (count_type_elements): Likewise.
8179 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8180 * stor-layout.c (layout_type): Likewise.
8181 * ipa-type-escape.c (type_to_consider): Likewise.
8182 * gimplify.c (omp_firstprivatize_type_sizes,
8183 gimplify_type_sizes): Likewise.
8184 * explow.c (promote_mode): Likewise.
8185 * tree-sra.c (is_sra_scalar_type): Likewise.
8186 * varasm.c (output_constant): Likewise.
8187 * tree-inline.c (remap_type_1): Likewise.
8188 * convert.c (convert_to_pointer, convert_to_real,
8189 convert_to_integer, convert_to_complex): Likewise.
8191 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8193 * df-scan.c (df_def_record_1): A set destination may
8194 be a parallel regardless of mode.
8196 2006-02-08 Roger Sayle <roger@eyesopen.com>
8199 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8200 * config/mips/_tilib.c: Remove.
8201 * config/fixtfdi.c: New libgcc source file.
8202 * config/fixunstfdi.c: New source file.
8203 * config/floatditf.c: New source file.
8204 * config/floatunditf.c: New souce file.
8205 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8206 files above instead of config/mips/_tilib.c.
8207 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8209 2006-02-08 Jeff Law <law@redhat.com>
8211 PR tree-optimization/26169
8212 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8215 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8217 * df.h (DF_REG_SIZE): Return the length of the initialized
8220 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8222 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8223 __muldf3): Return a correctly signed zero.
8225 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8227 * passes.c (register_one_dump_file): Accept the current properties
8228 instead of pass number. Adjust call to dump_register. Remove
8230 (register_dump_files): Now a wrapper around...
8231 (register_dump_files_1): ... this one. Do not modify the pass
8233 (next_pass_1): Cosmetic fix.
8234 (execute_todo): Keep second parameter only. Use curr_properties
8235 instead of fetching it from the pass structure. Check and set
8237 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8238 instead of fetching it from the pass structure. Fix calls to
8239 execute_todo. Update curr_properties and initialize .vcg RTL dump
8240 after running the pass. Reset last_verified.
8241 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8243 (FIRST_AUTO_NUMBERED_DUMP): New.
8244 (dump_register): Remove "num" parameter, assign it within the
8246 (get_dump_file_name): Modify template for dumps.
8247 * tree-dump.h (dump_register): Adjust prototype.
8248 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8249 (PROP_trees): Add PROP_gimple_lomp.
8250 (TODO_set_props): New.
8251 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8252 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8253 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8255 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8257 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8258 (sparc64-*-linux*): Likewise.
8259 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8260 * config/sparc/t-linux: New file.
8261 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8262 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8263 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8264 -m32 -mlong-double-128.
8266 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8267 * config/alpha/t-linux: New file.
8268 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8270 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8271 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8272 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8273 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8274 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8275 (CPP_ARCH32_SPEC): Remove.
8277 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8279 PR tree-optimization/26145
8280 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8283 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8286 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8287 >= 240000 when generating code for SOM runtime.
8288 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8289 to $$dyncall when generating code for SOM runtime..
8291 2006-02-07 Dirk Mueller <dmueller@suse.com>
8294 * doc/invoke.texi (-Wsequence-point): Update documentation
8295 that -Wsequence-point is implemented for C++ as well.
8297 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8299 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8300 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8301 (LIB_SPEC): Likewise.
8302 * doc/invoke.texi (SPARC options): Document -pthread.
8304 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8306 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8309 2006-02-07 Roger Sayle <roger@eyesopen.com>
8311 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8312 Correct comment describing BOOLEAN_TYPE.
8314 2006-02-07 Dirk Mueller <dmueller@suse.com>
8316 * c.opt: C++ frontend supports -Wdiv-by-zero.
8317 * c-opts.c (c_common_handle_option): Remove dead case.
8319 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8321 * configure.ac (TLS assembler check): Do not enable TLS by
8322 default on SPARC/Solaris before version 10.
8323 * configure: Regenerate.
8325 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8327 * doc/invoke.texi (xl-compat): Document conversion and support
8330 2006-02-07 Jeff Law <law@redhat.com>
8332 * tree-vrp.c (find_conditional_asserts): Update comments.
8333 (simplify_stmt_for_jump_threading): New.
8334 (identify_jump_threads, finalize_jump_threads): New.
8335 (vrp_finalize): Call identify_jump_threads.
8336 (execute_vrp): Call finalize_jump_threads.
8337 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8338 (vrp_element, vrp_data, vrp_element_p): Remove.
8339 (vrp_hash_elt, vrp_variables_stack): Remove.
8340 (vrp_hash, vrp_eq, record_range): Remove.
8341 (simplify_cond_and_lookup_avail_expr): Remove.
8342 (extract_range_from_cond): Remove.
8343 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8344 (simplify_stmt_for_jump_threading): New.
8345 (dom_thread_across_edge): New wrapper.
8346 (tree_ssa_dominator_optimize): No longer initialize or
8347 finalize any of the VRP datastructures. Remove iteration
8348 step and simplify as a result of removal of iteration step.
8349 (pass_dominator): Perform a cfg cleanup after DOM.
8350 (dom_opt_finalize_block): Use the new common routines
8351 for threading jumps. Simplify stack management slightly.
8352 No longer need to unwind VRP state.
8353 (record_equivalences_from_incoming_edge): No longer record
8355 (eliminate_redundant_computations): No longer call
8356 simplify_cond_and_lookup_avail_expr.
8357 * tree-flow.h (potentially_threadable_block): Prototype.
8358 (thread_across_edge): Likewise.
8359 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8360 (tree-ssa-threadedge.o): Add dependencies.
8361 * tree-ssa-threadedge.c: New file.
8362 * passes.c (init_optimization_passes): Merge PHIs before
8363 calling VRP. Run VRP again late in the SSA optimization pipeline.
8365 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8367 * df-core.c (df_set_blocks): Do not dereference function pointers.
8368 (df_finish1): Likewise.
8369 (df_hybrid_search_forward): Likewise.
8370 (df_hybrid_search_backward): Likewise.
8371 (df_iterative_dataflow): Likewise.
8372 (df_analyze_problem): Likewise.
8373 (df_compact_blocks): Likewise.
8374 (df_dump): Likewise.
8375 * df-scan.c (df_rescan_blocks): Likewise.
8376 (df_record_entry_block_defs): Likewise.
8378 * genconditions.c (write_conditions): Guard the definition of
8379 'insn_conditions' with the check on GCC version.
8380 (write_writer): Guard the traversal 'insn_conditions' with
8381 the check on GCC version.
8383 2006-02-07 Richard Guenther <rguenther@suse.de>
8387 2006-01-30 Richard Guenther <rguenther@suse.de>
8389 * gimplify.c (gimplify_target_expr): Handle easy cases
8390 without creating a temporary.
8392 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8394 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8395 use of float in probability computations. Use edge probabilities
8396 in place of statically computed probabilities.
8397 (min_spec_prob): New static variable.
8398 (schedule_insns): Initialize it.
8399 (GET_SRC_PROB): Removed.
8400 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8402 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8405 * config/ia64/unwind-ia64.c: Revert last change.
8406 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8407 (INCOMING_FRAME_SP_OFFSET): Define.
8409 2006-02-06 Roger Sayle <roger@eyesopen.com>
8411 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8413 2006-02-07 Ben Elliston <bje@au.ibm.com>
8415 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8416 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8417 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8418 (ix86_return_in_memory): Handle TDmode.
8419 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8420 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8422 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8424 * reorg.c (dbr_schedule): Use dump_file instead of file.
8426 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8429 * config/ia64/predicates.md (extr_len_operand): New predicate.
8430 * config/ia64/ia64.md (extv): Tighten constraints.
8432 (*tbit_and_2): Ditto.
8433 (*tbit_and_3): Ditto.
8434 (*tbit_or_2): Ditto.
8435 (*tbit_or_3): Ditto.
8439 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8442 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8444 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8446 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8447 loop_optimizer_init and loop_optimizer_finalize
8448 * tree-ssa-sink.c (execute_sink_code): Ditto.
8449 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8450 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8451 tree_ssa_loop_done): Ditto.
8452 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8453 * sched-ebb.c: Include output.h.
8454 (schedule_ebbs): Do not use dump argument.
8455 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8456 * loop.c (loop_dump_stream): Removed.
8457 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8459 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8460 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8461 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8462 loop_iterations, strength_reduce, record_biv, record_giv,
8463 final_giv_value, check_final_value, check_ext_dependent_givs,
8464 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8465 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8466 dump_file instead of loop_dump_stream.
8467 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8469 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8471 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8472 * haifa-sched.c: Include output.h
8473 (schedule_insns, sched_init): Do not use dump argument.
8474 * mode-switching.c (optimize_mode_switching): Ditto.
8475 * modulo-sched.c (stats_file): Removed.
8476 (print_node_sched_params): Do not call argument dump_file.
8477 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8478 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8480 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8482 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8483 rtl_loop_init, rtl_loop_done): Ditto.
8484 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8485 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8487 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8488 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8489 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8490 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8491 * emit-rtl.c (renumber_insns): Ditto.
8492 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8493 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8494 * regclass.c (regclass): Ditto.
8495 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8496 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8497 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8498 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8500 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8501 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8503 * gcse.c (gcse_file, debug_stderr): Removed.
8504 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8505 rest_of_handle_gcse): Do not use dump argument.
8506 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8507 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8508 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8509 compute_code_hoist_vbeinout, compute_code_hoist_data,
8510 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8511 compute_store_table, build_store_vectors, insert_insn_start_bb,
8512 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8513 store_motion): Use dump_file instead of gcse_file.
8514 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8515 * profile.c (profile_dump_file): Removed.
8516 (branch_prob): Use dump_file instead of profile_dump_file.
8517 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8519 * tree-ssa-copy.c (dump_copy_of): Ditto.
8520 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8521 dump file to life_analysis.
8522 * bt-load.c (branch_target_load_optimize): Ditto.
8523 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8525 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8526 regclass, dbr_schedule): Declaration changed.
8527 * sched-int.h (sched_init): Declaration changed.
8528 * tree-profile.c (tree_profile_dump_file): Removed.
8529 (tree_profile_hooks): Removed profile_dump_file hook.
8530 * rtl-profile (rtl_profile_dump_file): Removed.
8531 (rtl_profile_hooks): emoved profile_dump_file hook.
8532 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8534 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8535 * tree-cfg.c (build_tree_cfg): Ditto.
8536 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8537 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8538 Declaration changed.
8539 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8540 life_analysis and schedule_insns.
8541 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8543 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8545 * config/mips/mips.c (mips_reorg): Ditto.
8546 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8549 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8551 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8552 (s390_mangle_fundamental_type): New.
8553 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8556 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8557 (alpha_mangle_fundamental_type): New.
8558 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8561 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8563 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8565 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8566 (sparc_mangle_fundamental_type): New.
8568 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8570 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8571 (s390x-*-linux*): Likewise.
8572 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8573 * config/s390/t-linux: New file.
8575 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8577 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8578 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8580 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8582 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8583 (ANTIC_SAFE_LOADS): New macro.
8584 (find_or_generate_expression): Add prototype.
8585 (set_contains_value): Allow null set for sake of not always having
8586 to allocate ANTIC_SAFE_LOADS.
8587 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8588 Allow COMPONENT_REF too.
8589 (valid_in_set): Allow COMPONENT_REF.
8590 Check ANTIC_SAFE_LOADS too.
8591 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8592 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8594 (can_PRE_operation): Add COMPONENT_REF.
8595 (create_component_ref_by_pieces): New function.
8596 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8597 (insert_aux): Move AGGREGATE_TYPE_P check here.
8598 (compute_avail): Set bb local stmt uids.
8599 (pass_pre): Use TODO_update_ssa_only_virtuals.
8601 2006-02-06 Ben Elliston <bje@au.ibm.com>
8603 * configure.ac: Unconditionally disable decimal float by default.
8604 * configure: Regenerate.
8606 2006-02-06 Ben Elliston <bje@au.ibm.com>
8608 * read-rtl.c (read_name): Terminate reading on EOF.
8610 2006-02-06 Ben Elliston <bje@au.ibm.com>
8612 * dfp.c (decimal_real_arithmetic): Change second argument type
8613 from int to enum tree_code. Do not always return true, but now
8614 return result of any call to decimal_do helper functions.
8615 * dfp.h (decimal_real_arithmetic): Update prototype.
8617 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8619 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8621 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8624 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8627 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8629 * tree-vrp.c (cfg_loops): Removed.
8630 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8631 Use current_loops instead of cfg_loops. Pass flags to
8632 loop_optimizer_init.
8633 * cfgloopmanip.c (fix_loop_structure): Update only available
8635 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8636 loop_optimizer_init.
8637 * modulo-sched.c (build_loops_structure): Removed.
8638 (sms_schedule): Use loop_optimizer_init.
8639 * loop-init.c (loop_optimizer_init): Use flags to determine
8640 which properties of loops to prepare.
8641 (rtl_loop_init): Pass flags to loop_optimizer_init.
8642 * tree-ssa-sink.c (execute_sink_code): Ditto.
8643 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8644 * tree-ssa-pre.c (init_pre): Ditto.
8645 * cfgloop.h (LOOPS_NORMAL): New.
8646 (loop_optimizer_init): Declaration changed.
8648 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8650 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8651 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8653 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8655 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8657 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8658 * pa/t-pa64: Delete quadlib.c rule.
8659 * pa/x-ada: Revert last change.
8660 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8662 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8664 PR rtl-optimization/26087
8665 * rtlanal.c (canonicalize_condition): Do not cross basic block
8668 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8671 * config/ia64/ia64.c: Include debug.h.
8672 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8673 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8674 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8675 (process_epilogue, process_set, process_for_unwind_directive):
8676 Output unwind info only if requested. Add CFA info if requested.
8677 Add new arguments as needed. Adjust callers.
8678 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8680 (DWARF2_FRAME_INFO): Define to zero.
8681 * config/ia64/unwind-ia64.c: Remove code that compensated for
8682 the CFA offset error fixed above.
8683 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8684 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8685 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8686 -funwind-tables and -fexceptions to enable frame info.
8687 (dwarf2out_frame_init): Define initial CFA even if
8688 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8689 DWARF2_UNWIND_INFO is nonzero, not just defined.
8690 (dwarf2out_frame_finish): Output non-EH call frame info only
8691 if DWARF2_FRAME_INFO is nonzero.
8692 (convert_cfa_to_loc_list,
8693 compute_frame_pointer_to_cfa_displacement): Define even if
8694 unwind info is not supported.
8695 (gen_subprogram_die): Use the above unconditionally. Remove
8696 legacy alternate code.
8697 * toplev.c (compile_file): Compile in call to
8698 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8699 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8701 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8702 Jakub Jelinek <jakub@redhat.com>
8704 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8705 IBM extended float format long double as "g" on powerpc*-linux.
8707 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8710 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8711 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8713 2006-02-03 Jason Merrill <jason@redhat.com>
8716 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8719 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8720 on the return slot if it's an NRV.
8722 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8724 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8725 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8726 rewrite_use): Do not handle USE_OUTER.
8727 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8728 add_iv_outer_candidates, may_replace_final_value,
8729 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8730 (find_interesting_uses_op): Functionality of
8731 find_interesting_uses_outer_or_nonlin moved here.
8732 (find_interesting_uses_outside): Use find_interesting_uses_op.
8734 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8737 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8739 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8740 Ulrich Weigand <uweigand@de.ibm.com>
8743 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8744 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8745 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8746 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8748 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8749 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8750 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8751 Define secondary reloads for TFmode moves.
8752 (constant_modes): Add TFmode.
8753 (NR_C_MODES): Set to 8.
8754 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8756 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8757 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8758 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8759 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8760 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8761 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8762 (FPR mode macro): Add TFmode.
8763 (DSF mode macro): New.
8764 (<de>, <dee> mode attributes): Removed.
8765 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8766 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8767 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8768 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8769 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8770 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8771 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8772 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8773 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8774 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8775 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8776 "*negabs<mode>2", "sqrt<mode>2"):
8777 Changed <de> to <xde>. R constraint replaced by <Rf>.
8778 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8780 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8781 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8782 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8784 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8785 "extenddftf2", "extendsftf2"): New expanders.
8786 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8787 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8788 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8789 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8791 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8792 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8793 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8794 __floatditf): Add a GCC_4.1.0 symbol version tag.
8795 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8798 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8801 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8802 Use targetm.binds_local_p instead of TREE_PUBLIC.
8804 2006-02-02 Roger Sayle <roger@eyesopen.com>
8806 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8807 on INTEGER_TYPEs to indicate that it denotes a character type.
8808 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8809 signed_char_type_node, unsigned_char_type_node and char_type_node.
8810 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8811 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8812 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8814 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8815 Daniel Berlin <dberlin@dberlin.org>
8817 * tree-tailcall.c (arg_needs_copy_p): New function.
8818 (eliminate_tail_call): Use arg_needs_copy_p.
8819 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8820 (add_virtual_phis): New function.
8822 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8824 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8825 #ignore instead of #scratch for %g7 .register directive.
8827 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8829 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8832 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8834 * flow.c (calculate_global_regs_live): Assert that there aren't any
8837 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8839 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8841 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8842 bsi_after_labels iterator.
8843 * tree-if-conv.c (find_phi_replacement_condition,
8844 replace_phi_with_cond_modify_expr): Likewise.
8845 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8846 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8848 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8850 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8852 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8855 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8856 array after growing it.
8858 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8861 * fold-const.c (fold_checksum_tree): Change type of buf.
8863 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8865 * reload.c (push_secondary_reload): Initialize t_icode.
8867 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8869 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8870 -msoft-float -mlong-double-128 only issue a warning, but don't
8871 swich to DFmode long double.
8873 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8875 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8876 has a constant equivalent, iterate over equivalents for arg0,
8877 calling simplify_relational_operation and if there's a result
8878 cheaper than X, apply fold_rtx and return the result.
8880 2006-02-01 Jan Hubicka <jh@suse.cz>
8882 * opts.c (no_unit_at_a_time_default): New global variable.
8883 (decode_options): Use it.
8884 * opts.h (no_unit_at_a_time_default): Declare.
8886 2006-02-01 Paul Brook <paul@codesourcery.com>
8888 * function.c (assign_parm_setup_reg): Use function argument promotion
8890 * expr.c (expand_expr_real_1): Use function argument promotion rules
8893 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8895 * gcc.c (process_command): Change j to 'unsigned int'.
8897 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8900 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8901 Use the corrected index for the character
8902 out of the string constant.
8904 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8906 * mode-switching.c (optimize_mode_switching): Fix size
8907 allocated for bb_info[n_entities].
8909 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8911 * gcc.c (main): Correct type that is allocated for
8912 explicit_link_files.
8914 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8916 * config/s390/s390.c (init_alignment_context): Set
8917 ALIAS_SET_MEMORY_BARRIER on the MEM.
8918 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8920 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8923 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8925 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8928 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8930 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8931 * regrename.c: Ditto.
8932 * tree-ssa-loop-im.c: Ditto.
8933 * tree-dump.c: Ditto.
8934 * tree-complex.c: Ditto.
8935 * genrecog.c: Ditto.
8936 * tree-ssa-threadupdate.c: Ditto.
8938 * java/class.c: Ditto.
8939 * java/jcf-parse.c: Ditto.
8940 * java/resource.c: Ditto.
8941 * java/except.c: Ditto.
8942 * java/jvspec.c: Ditto.
8943 * java/jcf-write.c: Ditto.
8944 * java/jcf-path.c: Ditto.
8945 * java/gjavah.c: Ditto.
8946 * java/zextract.c: Ditto.
8947 * java/jcf-io.c: Ditto.
8948 * java/jcf.h: Ditto.
8949 * java/buffer.c: Ditto.
8950 * java/lang.c: Ditto.
8951 * java/parse-scan.y: Ditto.
8952 * java/lex.c: Ditto.
8953 * java/lex.h: Ditto.
8954 * cfgloopmanip.c: Ditto.
8955 * postreload-gcse.c: Ditto.
8956 * tree-ssa-loop-manip.c: Ditto.
8957 * postreload.c: Ditto.
8958 * tree-ssa-loop-ch.c: Ditto.
8962 * diagnostic.c: Ditto.
8964 * genoutput.c: Ditto.
8966 * cfghooks.c: Ditto.
8967 * cfgloopanal.c: Ditto.
8968 * objc/objc-act.c: Ditto.
8970 * genextract.c: Ditto.
8971 * genautomata.c: Ditto.
8972 * pretty-print.c: Ditto.
8974 * cgraphunit.c: Ditto.
8977 * haifa-sched.c: Ditto.
8978 * dominance.c: Ditto.
8980 * tree-ssa-loop-ivopts.c: Ditto.
8982 * mode-switching.c: Ditto.
8983 * modulo-sched.c: Ditto.
8985 * ipa-pure-const.c: Ditto.
8987 * fix-header.c: Ditto.
8989 * tree-stdarg.c: Ditto.
8990 * ipa-utils.c: Ditto.
8991 * loop-init.c: Ditto.
8992 * ipa-inline.c: Ditto.
8995 * alloc-pool.c: Ditto.
8996 * dwarf2out.c: Ditto.
8998 * genattrtab.c: Ditto.
8999 * tree-ssa-loop-ivcanon.c: Ditto.
9003 * fortran/gfortranspec.c: Ditto.
9005 * local-alloc.c: Ditto.
9006 * langhooks.c: Ditto.
9007 * function.c: Ditto.
9008 * tree-vectorizer.c: Ditto.
9010 * ipa-type-escape.c: Ditto.
9012 * tree-if-conv.c: Ditto.
9015 * tree-data-ref.c: Ditto.
9016 * loop-unroll.c: Ditto.
9017 * treelang/treetree.c: Ditto.
9020 * ggc-common.c: Ditto.
9022 * coverage.c: Ditto.
9024 * tree-cfgcleanup.c: Ditto.
9025 * tree-ssa-pre.c: Ditto.
9026 * cfgcleanup.c: Ditto.
9027 * loop-invariant.c: Ditto.
9029 * ipa-prop.c: Ditto.
9030 * print-tree.c: Ditto.
9031 * conflict.c: Ditto.
9032 * ggc-page.c: Ditto.
9033 * sched-deps.c: Ditto.
9034 * regclass.c: Ditto.
9035 * tree-object-size.c: Ditto.
9037 * bb-reorder.c: Ditto.
9038 * resource.c: Ditto.
9039 * var-tracking.c: Ditto.
9041 * df-problems.c: Ditto.
9042 * reg-stack.c: Ditto.
9045 * sched-rgn.c: Ditto.
9046 * tree-ssa-structalias.c: Ditto.
9047 * tree-ssa-reassoc.c: Ditto.
9048 * config/darwin-c.c: Ditto.
9049 * config/darwin.c: Ditto.
9050 * config/arm/arm.c: Ditto.
9052 * collect2.c: Ditto.
9055 2006-01-31 Nicolas Pitre <nico@cam.org>
9057 * arm.md (smaxsi3): Make aware of smax_m1.
9060 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9062 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9064 2006-01-31 Richard Guenther <rguenther@suse.de>
9066 * doc/invoke.texi (-msselibm): Document.
9067 * target.h (expand_library_builtin): New target hook.
9068 * builtins.c (expand_builtin): Use expand_library_builtin.
9069 (default_expand_library_builtin): New function.
9070 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9071 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9072 (link_gcc_math_spec): Declare.
9073 (static_specs): Add link_gcc_math_spec.
9074 * expr.h (default_expand_library_builtin): Declare.
9075 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9076 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9077 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9078 * config/i386/i386.opt (msselibm): New target option.
9079 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9080 (ix86_init_sse_abi_builtins): New function.
9081 (ix86_expand_library_builtin): Likewise.
9082 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9083 (override_options): Handle error conditions wrt -msselibm.
9084 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9085 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9086 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9089 2006-01-31 Richard Guenther <rguenther@suse.de>
9090 Paolo Bonzini <bonzini@gnu.org>
9092 * doc/install.texi (--disable-libgcc-math): Document.
9094 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9096 * expr.h (expand_normal): new inline function.
9097 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9099 * dwarf2out.c: use it.
9104 * config/sparc/sparc.c: use it.
9105 * config/i386/i386.c: use it.
9106 * config/rs6000/rs6000.c: use it.
9107 * config/arm/arm.c: use it.
9108 * config/mips/mips.c: use it.
9109 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9111 2006-01-30 Roger Sayle <roger@eyesopen.com>
9113 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9114 argv to the appropriate type.
9116 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9118 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9121 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9124 * config/s390/s390.c (struct machine_function): New flag
9125 decomposed_literal_pool_addresses_ok_p.
9126 (s390_reorg): Set it before final stage of literal pool transforms.
9127 (s390_decompose_address): Only accept displacements of the form
9128 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9130 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9132 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9133 the comparison routine return.
9135 2006-01-30 Michael Matz <matz@suse.de>
9137 * global.c (find_reg): Only evict for global regs.
9138 Take n_refs into account and dump more info.
9140 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9143 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9144 (pragma_trap, pragma_nosave_low_regs): Likewise.
9145 (current_function_anonymous_args): Likewise.
9146 (sh_deferred_function_attributes): New variable.
9147 (sh_deferred_function_attributes_tail): Likewise.
9148 (print_operand): For '@', look up trap_exit attribute.
9149 (calc_live_regs): Look up trapa_handler attribute. For trapa
9150 handlers, save/restore fpscr, but don't do any other
9151 interrupt-specific saves.
9152 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9153 Fix check for partially saved registers to check for SHmedia.
9154 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9155 (sh_output_function_epilogue): Don't clear any of the removed
9157 (sh_insert_attributes): Don't check pragma_interrupt.
9158 Insert deferred attributes. Check that interrupt attribute is
9159 present for other attributes that require its presence.
9160 (sh_attribute_table): Add new attributes trapa_handler and
9162 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9163 Don't check for pragma_interrupt. Don't store argument.
9164 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9165 (sh_deferred_function_attributes): Declare.
9166 (sh_deferred_function_attributes_tail): Likewise.
9167 * sh.md (sp_switch_1): Add operand. Change generator caller.
9168 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9169 (*return_i): Don't use when trap_exit attribute is in effect.
9170 (*return_trapa): New insn pattern.
9172 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9173 setting c_target_objs and cxx_target_objs.
9174 * t-sh: Add rule for sh-c.o.
9176 2006-01-30 Richard Guenther <rguenther@suse.de>
9179 * gimplify.c (gimplify_target_expr): Handle easy cases
9180 without creating a temporary.
9182 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9184 * vec.h (safe_grow): Remove duplicated line.
9186 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9189 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9190 (expand_omp): ... here.
9191 (expand_omp_parallel): Only remove barriers for combined
9192 parallel+workshare constructs.
9194 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9198 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9199 * tree.c (build_qualified_type): Chain the new type to the original
9200 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9201 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9202 (build_pointer_type_for_mode): Only return unqualified types.
9203 (build_reference_type_for_mode): Likewise.
9205 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9207 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9208 * Makefile.in (CXX_COMPAT_WARN): Define.
9209 * configure: Regenerate.
9211 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9214 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9217 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9219 * toplev.c: Fix thinko.
9221 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9222 Marcin Dalecki <martin@dalecki.de>
9224 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9225 (push_srcloc): Use XNEW.
9226 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9228 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9230 * df-core.c (df_set_blocks): Deleted all variable.
9232 2006-01-28 Ian Lance Taylor <ian@airs.com>
9234 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9235 cgraph_output_pending_asms.
9237 2006-01-28 Zack Weinberg <zackw@panix.com>
9239 * c.opt: Add -W(no-)overlength-strings.
9240 * doc/invoke.texi: Document it.
9241 * c-opts.c (c_common_handle_option): -pedantic implies
9242 -Woverlength-strings, if not explicitly disabled already.
9243 (c_common_post_options): -Woverlength-strings defaults to off, and
9244 is always off for C++.
9245 * c-common.c (fix_string_type): Issue warning about strings longer
9246 than is portable only if warn_overlength_strings. Rearrange code
9247 a little for clarity.
9248 * configure.in: Check for -Wno-overlength-strings as well before
9249 enabling -pedantic in stage 1.
9250 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9251 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9253 * genconditions.c (write_header, write_one_condition)
9254 (write_conditions, write_writer): Consolidate very long strings
9255 that were broken up to fit in C89 portable limit. Don't use
9256 printf when fputs will do.
9258 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9260 * combine.c (simplify_comparison <AND>): Check
9261 TRULY_NOOP_TRUNCATION before start using a subreg.
9263 * config/mips/mips.md (*branch_zero<mode>,
9264 *branch_zero<mode>_inverted, *branch_equality<mode>,
9265 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9266 Remove mode check from comparisons.
9268 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9270 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9272 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9274 * expmed.c (const_mult_add_overflow_p): Remove.
9275 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9277 * recog.c (validate_replace_rtx_subexp): Remove.
9278 * recog.h: Remove the prototype for
9279 validate_replace_rtx_subexp.
9281 * integrate.h: Remove the prototype for
9282 copy_decl_for_inlining.
9283 * rtl.h: Remove the prototype for mark_constant_function.
9284 * tree-vectorizer.h: Remove the prototype for
9285 vect_strip_conversion.
9287 * modulo-sched.c (create_partial_schedule,
9288 free_partial_schedule, reset_partial_schedule): Make them
9291 * hooks.c (hook_bool_rtx_int_false): Remove.
9292 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9294 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9296 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9297 and -mlong-double-128 are incompatible.
9298 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9299 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9300 (TARGET_LIBGCC2_CFLAGS): Define.
9301 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9302 (TARGET_LIBGCC2_CFLAGS): Same.
9303 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9305 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9308 * c-typeck.c (build_binary_op): Perform implicit casts of
9309 operands before shortening them.
9311 * cfgloopmanip.c (split_loop_bb): Remove.
9312 * cfgloop.h: Remove the prototype for split_loop_bb.
9314 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9315 * cfgloop.h: Remove the prototype for
9316 flow_loop_outside_edge_p.
9318 * emit-rtl.c (init_virtual_regs): Make it static.
9319 * function.h: Remove the prototype for init_virtual_regs.
9321 * recog.c (peephole2_optimize): Make it static.
9322 * recog.h: Remove the prototype for peephole2_optimize.
9324 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9326 * df-scan.c (df_record_entry_block_defs): Check if
9327 INCOMING_RETURN_ADDR_RTX is defined.
9329 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9330 Kenneth Zadeck <zadeck@naturalbridge.com>
9332 PR rtl-optimization/24762
9333 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9334 * targhooks.c (hook_void_bitmap): New hook prototype.
9335 * targhoohs.h (hook_void_bitmap): Ditto.
9336 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9337 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9338 * target.h (live_on_entry): New function pointer.
9339 * df-scan.c (df_all_hard_regs): Removed.
9340 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9341 (df_scan_free_internal): Added df->entry_block_defs.
9342 (df_scan_alloc): Ditto.
9343 (df_scan_dump): Ditto.
9344 (df_uses_record): Plumbed flag field properly thru calls.
9345 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9346 This part fixes PR24762.
9347 (df_bb_refs_record): Added code to make the frame and arg
9348 pointers live in EH blocks.
9349 (df_refs_record): Added call to df_record_entry_block_defs.
9350 (df_record_entry_block_defs): New function.
9351 * df-core.c: Added comments to describe new artifical defs.
9352 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9353 (entry_block_defs): New field in struct df.
9354 (df_all_hard_regs): Deleted.
9355 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9356 * df-problems.c (df_ru_bb_local_compute_process_def):
9357 Added code to handle artifical defs in the entry to a function.
9358 (df_ru_bb_local_compute): Ditto.
9359 (df_rd_bb_local_compute_process_def): Ditto.
9360 (df_rd_bb_local_compute): Ditto.
9361 (df_lr_bb_local_compute): Ditto.
9362 (df_ur_bb_local_compute): Ditto.
9363 (df_urec_bb_local_compute): Ditto.
9364 (df_chain_create_bb): Ditto.
9365 (df_ur_local_finalize): Removed entry.
9366 (df_urec_init): Ditto.
9367 (df_urec_local_finalize): Ditto.
9368 (df_ri_bb_compute): Added detection of last use of pseudos.
9369 * Makefile.in (df-scan.o): Updated dependencies.
9370 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9371 * config/mips/mips.c (mips_set_live_on_entry): Added.
9372 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9374 * dce.c (marked_insn_p): Added code to handle artifical defs.
9376 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9378 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9380 (_mm_cvtsi128_si64): Likewise.
9381 (_mm_cvtsd_si64): Likewise.
9382 (_mm_cvttsd_si64): Likewise.
9383 (_mm_cvtsi64_sd): Likewise.
9384 (_mm_cvtsi64_si128): Likewise.
9385 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9386 (_mm_cvtsi64_m64): Likewise.
9387 (_m_to_int64): Likewise.
9388 (_mm_cvtm64_si64): Likewise.
9389 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9390 (_mm_cvttss_si64): Likewise.
9391 (_mm_cvtsi64_ss): Likewise.
9392 (_mm_cvtss_f32): Likewise.
9394 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9396 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9397 for pragma redefine_extname.
9399 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9402 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9403 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9404 -mno-minimal-toc to previous content.
9405 (bispecs): Remove goal.
9406 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9407 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9408 compatibility aliases on powerpc-*-*gnu*.
9409 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9410 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9411 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9412 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9413 (ldblspecs): New goal.
9414 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9415 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9417 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9418 L_sf_to_tf or L_df_to_tf is defined.
9420 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9421 Alan Modra <amodra@bigpond.net.au>
9424 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9425 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9426 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9427 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9428 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9429 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9430 (rs6000_override_options): Initialize rs6000_ieeequad.
9431 Initialize TFmode format to ibm_extended_format if not
9433 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9435 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9436 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9437 (function_arg_advance): IBM long double passed in two FPRs, not
9439 (function_arg): IBM long double passed in FPRs.
9440 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9441 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9442 Only multireg GPR aligned.
9443 (rs6000_init_libfuncs): Enable IBM long double functions if not
9445 (rs6000_generate_compare): Use IBM long double compare if not
9447 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9448 (TARGET_IEEEQUAD): Define.
9449 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9450 not TARGET_IEEEQUAD.
9451 * config/rs6000/rs6000.md: Enable TFmode patterns if
9453 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9454 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9455 and -mlong-double-128 are incompatible.
9456 * doc/invoke.texi (-mabi): Collect options together. Add
9457 ibmlongdouble and ieeelongdouble.
9459 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9461 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9463 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9464 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9465 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9466 * rtl.h (rtunion_def): Remove rt_ptr.
9468 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9469 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9470 * config/i386/winnt.c (i386_pe_mark_dllexport)
9471 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9473 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9475 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9477 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9481 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9482 pthread_key_delete. From John David Anglin. gthrw-ify
9483 pthread_getunique_np only if it it's not a macro. Delete
9485 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9486 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9487 __gthread_objc_condition_signal, __gthread_key_delete): Add
9488 "__attribute__ ((__unused__))" to unused arguments.
9489 (__gthread_recursive_mutex_init_function): Add missing return.
9490 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9491 gthr-posix95.h: Use macro-based approach for name redirection
9492 on targets missing weakref.
9494 2006-01-26 Zack Weinberg <zackw@panix.com>
9496 * genconditions.c (write_header): In generated code, #ifdef out
9497 all includes and fake declarations, except includes of bconfig.h
9498 and system.h, unless GCC_VERSION >= 3001. Do not include
9499 gensupport.h in any case.
9500 (write_conditions): Generate a definition of struct c_test. Add
9501 a comment to the generated #endif.
9502 (write_one_condition): Escape backslashes in string too.
9503 (write_writer): Generated code must escape backslashes and quote
9504 marks (but not newlines) in the strings it writes.
9505 * Makefile.in (build/gencondmd.o): Update dependencies.
9507 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9510 * Makefile.in (insn-automata.o): Add header file dependencies.
9511 * genautomata.c: Add includes.
9513 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9516 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9518 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9520 * configure.ac: Expect target tools paths to be passed from the toplevel
9521 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9523 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9525 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9528 * c.opt (Wpointer-sign): Init to -1.
9529 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9530 OPT_pedantic, to 0 otherwise.
9531 * doc/invoke.texi: Update.
9533 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9535 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9536 constants provided by 80387 instructions in the destination mode.
9538 2006-01-26 Richard Guenther <rguenther@suse.de>
9539 Andrew Pinski <pinskia@physics.uc.edu>
9542 partial PR tree-opt/17064
9543 * tree-ssa-structalias.c (intra_create_variable_infos):
9544 Create heap variables for incoming parameters if
9545 flag_argument_noalias > 1.
9546 (find_what_p_points_to): Look through default defs of
9549 2006-01-26 Jeff Law <law@redhat.com>
9552 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9553 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9554 within the VR_RANGE, use the VR_RANGE as the result, not the
9556 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9557 bounds for the type.
9559 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9561 * tree-ssa-alias.c (maybe_create_global_var): Change
9562 subvar walking to an assertion that we don't have subvar'd variables.
9564 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9567 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9568 Use a new variable, inner. PARM_DECLs are always non-weak.
9570 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9572 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9575 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9577 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9579 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9581 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9582 (smax_insn, smin_insn, smax_0, smin_0): New.
9584 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9587 * config/cris/cris.c (cris_order_for_addsi3): New function.
9588 * config/cris/cris-protos.h: Prototype it.
9589 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9590 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9591 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9592 (split for "op.S1 [rx=rx+i],ry (swapped)")
9593 (split for "op(s|u).S1 [rx=rx+i],ry")
9594 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9595 Apply cris_order_for_addsi3 when generating addsi3 insns.
9597 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9599 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9600 (TREE_BLOCK): Add call to EXPR_CHECK.
9602 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9605 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9606 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9607 (dump_omp_clauses): ... here.
9608 (dump_generic_node): Handle OMP_CLAUSE.
9609 * tree.c (omp_clause_num_ops): New.
9610 (omp_clause_code_name): New.
9611 (tree_code_size): Handle OMP_CLAUSE.
9612 (tree_size): Likewise.
9613 (make_node): Document handling of OMP_CLAUSE.
9614 (tree_node_structure): Handle OMP_CLAUSE.
9615 (omp_clause_check_failed): New.
9616 (omp_clause_range_check_failed): New.
9617 (omp_clause_operand_check_failed): New.
9618 (build_omp_clause): New.
9619 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9620 * tree.h (enum omp_clause_code): Declare.
9621 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9622 (OMP_CLAUSE_RANGE_CHECK): Define.
9623 (OMP_CLAUSE_ELT_CHECK): Define.
9624 (omp_clause_check_failed): Declare.
9625 (omp_clause_operand_check_failed): Declare.
9626 (omp_clause_range_check_failed): Declare.
9627 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9628 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9629 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9630 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9631 (OMP_CLAUSE_IF_EXPR): Likewise.
9632 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9633 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9634 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9635 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9636 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9637 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9638 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9639 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9640 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9641 (OMP_CLAUSE_CODE): Define.
9642 (OMP_CLAUSE_SET_CODE): Define.
9643 (OMP_CLAUSE_CODE): Define.
9644 (OMP_CLAUSE_OPERAND): Define.
9645 (struct tree_omp_clause): Declare.
9646 (union tree_node): Add field 'omp_clause'.
9647 * treestruct.def (TS_OMP_CLAUSE): Define.
9648 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9649 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9650 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9651 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9652 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9653 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9654 (OMP_CLAUSE): Define.
9655 * print-tree.c (print_node): Handle OMP_CLAUSE.
9656 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9657 * c-typeck.c: Likewise.
9658 * gimplify.c: Likewise.
9659 * c-omp.c: Likewise.
9660 * tree-nested.c: Likewise.
9661 * tree-inline.c: Likewise.
9662 * c-parser.c: Likewise.
9663 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9666 2006-01-25 Roger Sayle <roger@eyesopen.com>
9668 PR rtl-optimization/25703
9669 * combine.c (try_combine): Handle zero_extract and strict_low_part
9670 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9672 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9674 * global.c: Fix comment typos.
9676 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9679 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9680 Use output_addr_const instead of assemble_name.
9682 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9684 * Makefile.in (sched-vis.o): Update dependencies.
9685 * haifa-sched.c (sched_finish): Clear current_sched_info.
9686 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9687 (dump_flow_info): Call it.
9688 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9690 * basic-block.h (dump_bb_info): Declare.
9691 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9692 option, and apply options only for dump files whose TDF_RTL,
9693 TDF_TREE, or TDF_IPA bits match.
9694 * rtl.h: Declare new functions exported from sched-vis.c.
9695 * sched-vis.c: Enable also if scheduling is not used.
9696 (print_value): Print the mode of registers if not inside scheduling.
9697 (print_insn): Make it work outside the scheduler. Beautify the output
9699 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9701 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9703 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9704 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9705 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9706 depending on the value of CONSTANT_POOL_ADDRESS_P.
9707 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9709 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9710 rather than SYMBOL_REF_DECL.
9711 (rtx_constant_pool): Remove const_rtx_sym_htab.
9712 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9713 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9714 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9715 Remove handling of const_rtx_sym_htab.
9716 (find_pool_constant): Delete.
9717 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9718 rather than find_pool_constant.
9719 (get_pool_constant_for_function): Delete.
9720 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9722 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9723 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9724 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9725 (SYMBOL_REF_CONSTANT): New macro.
9726 (get_pool_constant_for_function): Delete.
9727 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9728 rather than SYMBOL_REF_DECL.
9729 (i386_pe_mark_dllimport): Likewise.
9730 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9731 rather than SYMBOL_REF_DECL.
9732 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9733 (machopic_indirect_call_target): Likewise.
9735 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9737 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9739 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9741 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9743 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9745 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9747 2006-01-24 David Daney <ddaney@avtrex.com>
9750 * configure.ac (enable_tls): New enable option.
9751 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9752 * configure: Regenerate.
9753 * doc/install.texi (--enable-tls): Document new option.
9754 (--disable-tls): Ditto.
9756 2006-01-24 Richard Henderson <rth@redehat.com>
9758 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9759 * alias.c (true_dependence): Respect it.
9760 (canon_true_dependence, write_dependence_p): Likewise.
9761 * builtins.c (get_builtin_sync_mem): Set it.
9763 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9765 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9768 2006-01-24 DJ Delorie <dj@redhat.com>
9770 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9771 for storing constants in single-bit bitfields.
9773 2006-01-25 Ben Elliston <bje@au.ibm.com>
9775 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9777 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9780 * tree-ssa-pre.c (phi_translate): Return NULL
9781 for AGGREGATE_TYPE's.
9783 2006-01-24 Zack Weinberg <zackw@panix.com>
9785 * genautomata.c (process_state_for_insn_equiv_partition):
9786 Use xcalloc for insn_arcs_array.
9787 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9788 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9790 2006-01-24 Richard Henderson <rth@redhat.com>
9792 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9795 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9797 PR rtl-optimization/25890
9798 PR rtl-optimization/25905
9799 * combine.c (expand_compound_operation, expand_field_assignment):
9800 Fail if the bitfield's final position is out of bounds.
9802 2006-01-24 Ian Lance Taylor <ian@airs.com>
9805 * cgraphunit.c (cgraph_output_in_order): Don't clear
9806 cgraph_asm_nodes until after asm strings have been output.
9808 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9810 * fix-header.c (read_scan_file): Add new parameter imultilib when
9811 calling register_include_chains.
9813 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9815 * omp-low.c: Update documentation.
9817 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9818 Daniel Berlin <dberlin@dberlin.org>
9822 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9823 return from the function.
9825 2006-01-22 Zack Weinberg <zackw@panix.com>
9827 * rtl.def (match_code): Add second argument.
9828 * genpreds.c (write_extract_subexp): New function.
9829 (write_match_code): Add path argument. Use write_extract_subexp.
9830 (write_predicate_expr): Pass path to write_match_code.
9831 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9832 not perform a mode test.
9833 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9834 a subexpression does not constrain the top-level code set.
9835 * read-rtl.c (read_rtx_variadic): New function.
9836 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9837 * doc/md.texi: Document new notation.
9838 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9839 (cmpsi_operand): ... here, using new notation.
9841 2006-01-22 Zack Weinberg <zackw@panix.com>
9843 * varray.c: Remove GENERATOR_FILE #ifdefs.
9845 2006-01-22 Zack Weinberg <zackw@panix.com>
9847 * genautomata.c (output_reserved_units_table): Emit nothing if
9848 description->query_units_num is zero. Remove extra blank line.
9849 (output_cpu_unit_reservation_p): Short circuit
9850 if description->query_units_num is zero.
9852 2006-01-22 Zack Weinberg <zackw@panix.com>
9854 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9855 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9856 nor any of the random handful of variables that used to be necessary
9857 when this program was linked with rtlanal.o. Prune set of forward
9858 function declarations.
9859 (struct attr_desc): Remove static_p field.
9860 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9861 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9862 (attr_string): Do not read the character one past the length of
9864 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9865 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9866 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9867 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9868 (make_automaton_attrs): New.
9869 (main): Do not call into genautomata. Call local gen_bypass
9870 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9871 Remove special case for insn_alts.
9872 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9873 varray.h (leftover from previous change). Prune set of forward
9874 function declarations. Remove state_alts fields from all
9875 structures. Remove state_alts_table from struct automaton.
9876 Make everything except main static. Do not maintain num_dfa_decls.
9877 Do not maintain state_alts fields of various structures.
9878 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9879 (add_arc): Remove state_alts argument. All callers updated.
9880 (output_reserved_units_table): Emit #ifdef here...
9881 (output_tables): ...not here. Don't generate state_alts tables.
9882 (expand_automata): Don't generate attributes.
9883 (write_automata): Don't generate state_alts functions.
9884 (main): New function.
9885 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9886 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9887 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9888 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9889 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9890 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9891 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9892 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9894 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9895 * genattrtab.h: Delete file.
9896 * Makefile.in (OBJS-common): Add insn-automata.o.
9897 (insn-automata.o): New rule.
9898 (simple_generated_c): Add insn-automata.c.
9899 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9900 (genprogmd): Add automata.
9901 (build/genattrtab): Needs no extra objects nor libraries.
9902 (build/genautomata): Needs build/vec.o and -lm.
9904 2006-01-22 Zack Weinberg <zackw@panix.com>
9906 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9907 (output_dfa_max_issue_rate, locked_states_num): Delete.
9908 (struct automaton): Add locked_states field.
9909 (output_dead_lock_vect): Save number of locked states in
9910 automaton->locked_states. If it is zero, don't print anything.
9911 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9912 (output_internal_dead_lock_func): Only test the dead_lock_vect
9913 for automata that have locked states.
9914 (output_statistics): Always print the number of locked states for
9915 each automaton. Calculate total number of locked states here.
9916 (write_automata): Don't call output_dfa_max_issue_rate.
9917 * genattrtab.c: Define length_unit_log as a const variable.
9918 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9919 max_insn_queue_index const.
9920 * final.c (length_unit_log): Declare const.
9921 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9923 2006-01-22 Zack Weinberg <zackw@panix.com>
9925 * genautomata.c: Include vec.h, not varray.h.
9926 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9927 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9928 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9929 VEC_* macros operating on appropriately typed vectors, or to
9930 malloced arrays when the size is known in advance. Const-ify
9931 many char* variables and function arguments. No functional changes.
9932 * Makefile.in (build/varray.o): Delete rule.
9933 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9934 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9936 2006-01-22 Zack Weinberg <zackw@panix.com>
9938 * gensupport.c: Define get_insn_name and record_insn_name here.
9939 (read_md_rtx): Call record_insn_name as appropriate.
9940 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9941 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9942 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9944 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9945 (BUILD_VARRAY): Delete.
9946 (genprognormal): Rename genprogmd. Fold in all programs from
9947 genprognoprint; also attrtab.
9948 (build/genattrtab): Just mention genautomata.o and varray.o.
9949 Reorganize a bit, add comments to make the categories clearer.
9951 2006-01-22 Zack Weinberg <zackw@panix.com>
9953 * genconditions.c (condition_table, add_condition): Delete.
9954 (write_conditions): Don't emit n_insn_conditions nor
9955 insn_elision_unavailable. Issue the gcc version #ifdef here,
9956 inside the table, with no #else clause ...
9957 (write_header): ...not here.
9958 (write_writer): New function.
9959 (main): Don't initialize condition_table. Use add_c_test.
9961 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9962 files on the command line.
9963 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9964 Return -1 if there is no entry in the table, don't abort.
9965 (add_c_test, traverse_c_tests): New functions.
9966 * gensupport.h (insn_elision_unavailable, insn_conditions)
9967 (n_insn_conditions): Delete declarations.
9968 (add_c_test, traverse_c_tests): Declare.
9969 * read-rtl.c: Include gensupport.h.
9970 (read_conditions): New function.
9971 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9972 (read_rtx_1): If we get EOF when we were looking for an initial
9973 open paren, return 0. Call read_conditions when appropriate.
9974 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9975 dummy-conditions.o. Eliminate references to insn-conditions.o,
9976 or change them to build/gencondmd.o, as appropriate. Remove
9977 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9978 from $(simple_generated_c). For all files remaining in those
9979 two lists, add insn-conditions.md to the generator command line.
9980 Give insn-constants.h/s-constants their own rules. Add rules
9981 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9982 (build/read-rtl.o): Depend on gensupport.h.
9983 (genprognormal): Include preds.
9984 (genprogearly): Rename genprognoprint; only difference is now that
9985 they don't link with $(BUILD_PRINT).
9986 * dummy-conditions.c: Delete.
9988 2006-01-22 Zack Weinberg <zackw@panix.com>
9990 * genextract.c: Don't include insn-config.h. Do include vec.h.
9991 Declare vectors of int, char, and locstr.
9992 (locstr): New typedef.
9993 (struct extraction): Make all array fields into bare pointers.
9994 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9995 (insn_code_number): Delete.
9996 (accum_extract): New struct.
9997 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9998 (gen_insn): Take insn_code_number as an argument. Use an
9999 accum_extract structure instead of loading data directly into
10000 a struct extraction, and having to know how big it might get.
10001 (walk_rtx): Operate entirely on an accum_extract structure.
10002 (print_path): Avoid unnecessary use of printf.
10003 (print_header): New function, split out of main. Distinguish
10004 more carefully between an unrecognizable insn and an insn that
10005 has the code number of a define_expand.
10006 (main): Pass insn_code_number to gen_insn. Call print_header
10007 only after parsing. Avoid unnecessary use of printf.
10008 * Makefile.in (build/vec.o): New rule.
10009 (build/genextract): Depend on build/vec.o.
10010 (build/genextract.o): Don't depend on insn-config.h.
10012 2006-01-22 Zack Weinberg <zackw@panix.com>
10014 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10015 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10016 practical. Eliminate per-generator-program link rules.
10018 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10020 PR middle-end/24437
10021 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10022 with a call expr to ...
10023 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10025 2006-01-23 Richard Guenther <rguenther@suse.de>
10027 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10028 before make_edge with conditional EDGE_TRUE_VALUE.
10030 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10031 Jan Hubicka <jh@suse.cz>
10032 Richard Guenther <rguenther@suse.de>
10034 PR rtl-optimization/25654
10035 * cfgexpand.c (aggregate_contains_union_type): New function.
10036 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10037 for structure variables that contain a union type.
10039 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10041 * gengtype.c (new_structure): Return the structure.
10042 (create_option): Add an extra "next" argument.
10043 (create_field): New function.
10044 (adjust_field_rtx_def): Use create_option and create_field.
10045 Remove a now-unnecessary call to find_structure.
10046 (adjust_field_tree_def): Likewise.
10047 (note_yacc_type): Remove an unnecessary call to find_structure.
10048 * gengtype.h (new_structure): Return the structure.
10049 (create_option): Add an extra argument.
10050 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10051 (option): Adjust calls to create_option.
10053 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10055 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10057 2006-01-22 Paul Brook <paul@codesourcery.com>
10058 Peter Barada <peter@the-baradas.com>
10060 * config/m68k/m68k.md: Add Coldfire FPU support.
10061 Define FP mode macro and associated attributes.
10062 Use it for float mode patterns.
10063 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10064 (LIBCALL_VALUE): Use m68k_libcall_value.
10065 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10066 (m68k_function_value): Ditto.
10067 (emit_move_sequence): Ditto.
10068 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10069 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10070 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10071 (MULTILIB_EXCEPTIONS): Ditto.
10072 * config/m68k/m68k.opt: Add mcfv4e.
10073 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10074 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10075 (m68k_output_function_prologue): Save ColdFire FPU registers.
10076 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10077 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10078 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10079 ColdFire FPU registers.
10080 (m68k_libcall_value, m68k_function_value): New functions.
10081 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10082 (LIBCALL_VALUE): Use m68k_libcall_value.
10083 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10084 (MASK_COLDFIRE): Add MASK_CFV4E.
10085 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10086 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10087 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10088 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10089 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10090 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10091 * doc/invoke.tex: Document -mcfv4e on m68k.
10093 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10095 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10098 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10101 * c-opts.c (c_common_handle_option): Don't include
10102 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10103 * doc/invoke.texi (C++ Dialect Options): Document that
10104 -Wnon-virtual-dtor is no longer included in -Wall.
10106 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10108 * gcov.c (print_version), gcov-dump.c (print_version),
10109 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10112 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10114 * df-scan.c (problem_SCAN): Added NULL reset function.
10115 (df_scan_reset_blocks): Added code to call reset block function
10116 (df_bb_refs_delete) Fixed comment.
10117 (df_insn_refs_delete): Made tolerant of deleting non existent info
10118 for dataflow problems that need to be reset.
10119 * df-core.c (df_set_blocks): Ditto.
10120 * df.h (struct df_problem): Added reset_fun.
10121 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10122 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10123 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10124 functions to clear out all references to def-use or use-def chains.
10126 2006-01-21 Ben Elliston <bje@au.ibm.com>
10128 * varasm.c (assemble_real): Initialise data array.
10130 2006-01-20 Paul Brook <paul@codesourcery.com>
10132 Merge from csl-arm-branch.
10133 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10134 * config/arm/arm.md (movdi): Force operands[1] to a register
10135 if we have a non-register source.
10136 (*arm_movdi, *movdf_soft_insn): Require that one of the
10137 operands be a register.
10138 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10139 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10141 2006-01-20 DJ Delorie <dj@redhat.com>
10143 * varasm.c (initializer_constant_valid_p): Allow pointers
10144 initialized from integer constants of lesser precision.
10145 (output_constant): Allow non-int-sized pointer modes to be
10146 initialized from integer constants.
10148 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10151 * cppdefault.h (struct default_include): Add multilib flag.
10152 * cppdefault.c (cpp_include_defaults): Set it.
10153 * c.opt (-imultilib): New option.
10154 * c-opts.c (imultilib): New.
10155 (c_common_handle_option): Handle -imultilib.
10156 (c_common_post_options): Likewise.
10157 * c-incpath.c (add_standard_paths, register_include_chains):
10159 * c-incpath.h (register_include_chains): Add extra parameter.
10160 * gcc.c (do_spec_1): Generate -imultilib option.
10161 (The Specs Language): Update %I description.
10162 (process_command): Update copyright notice.
10163 * doc/cppopts.texi (-imultilib): Document.
10164 * doc/invoke.texi (-imultilib): Include in option summary.
10165 (%I): Update specs documentation.
10167 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10169 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10171 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10173 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10176 2006-01-20 Richard Guenther <rguenther@suse.de>
10177 Steven Bosscher <stevenb.gcc@gmail.com>
10179 PR rtl-optimization/24626
10180 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10181 EDGE_TRUE_VALUE if in RTL mode.
10184 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10185 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10187 2006-01-20 Dirk Mueller <dmueller@suse.com>
10190 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10191 instead of a special NOP marker.
10192 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10193 NOP marker handling.
10194 * c-common.h (empty_body_warning): Add forward declaration.
10195 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10196 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10198 2006-01-20 Paul Brook <paul@codesourcery.com>
10200 * Makefile.in (lang_checks): Keep going if mkdir fails.
10202 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10204 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10205 be able to clean out basic block when not necessary.
10206 (df_scan_free): Fixed to properly delete information if df is
10207 unused before calling df_finish.
10208 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10209 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10211 (df_bb_refs_delete): New function.
10212 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10213 * df-core.c (df_set_blocks): Added code to properly clean out
10214 unused blocks if they are not part of the blocks to consider.
10215 Added additional null check.
10216 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10217 be able to clean out basic block when not necessary
10218 * df.h (df_free_bb_function): Ditto.
10219 (df_bb_refs_delete): New function.
10220 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10221 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10222 basic block parameter to be able to clean out basic block when not
10224 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10225 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10226 Fixed to properly delete information if df is unused before
10229 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10231 PR rtl-optimization/25799
10232 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10233 Corrected confluence operator to remove bits from op2 before oring
10234 with op1 rather than removing bits from op1.
10235 (df_ru_transfer_function): Corrected test on wrong bitmap which
10236 caused infinite loop. Both of these problems were introduced in
10237 the dataflow rewrite.
10239 2006-01-19 DJ Delorie <dj@redhat.com>
10241 * reload1.c (find_reload_regs): Note the details of reload
10242 failures in the dump file.
10243 (spill_failure): Likewise.
10245 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10247 * loop-iv.c: Include df.h and hashtab.h.
10248 (enum iv_grd_result): New enum.
10249 (DF_REF_IV, DF_REF_IV_SET): New macros.
10250 (struct biv_entry): New.
10251 (df, bivs): New global variables.
10252 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10253 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10255 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10256 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10257 analyzed_for_bivness_p, record_biv): New functions.
10258 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10259 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10260 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10262 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10264 (iv_number_of_iterations): Use new interface to iv analysis.
10265 * loop-unroll.c: Do not include varray.h.
10266 (analyze_iv_to_split_insn): Use new interface to iv
10268 * loop-unswitch.c (may_unswitch_on): Ditto.
10269 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10271 (df_bb_modify): Realloc tables to the new index.
10272 (df_find_use): New function.
10273 * df.h (df_find_use): Declare.
10274 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10276 * cfgloop.h (struct rtx_iv): Remove analysed field.
10277 (iv_get_reaching_def): Removed.
10278 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10279 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10280 (loop-iv.o): Add df.h and hashtab.h dependency.
10281 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10283 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10286 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10288 (__floatundisf, __floatundidf): Likewise.
10289 * libgcc2.h (IS_IBM_EXTENDED): Define.
10291 2006-01-19 DJ Delorie <dj@redhat.com>
10293 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10295 2006-01-19 Paul Brook <paul@codesourcery.com>
10297 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10298 as nothrow when unwinding tables are disabled.
10300 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10303 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10304 of bit-field" when in system header.
10306 2006-01-19 DJ Delorie <dj@redhat.com>
10308 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10309 the 16 bit shift limit of the m16c.
10311 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10314 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10315 * config/i386/i386.c (output_set_got): Output the label if we have one
10316 for the TARGET_DEEP_BRANCH_PREDICTION case.
10318 2006-01-19 Jan Hubicka <jh@suse.cz>
10319 H.J. Lu <hongjiu.lu@intel.com>
10320 Evandro Menezes <evandro.menezes@amd.com>
10322 * invoke.texi (generic): Document
10324 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10325 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10326 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10327 (x86_use_incdec, x86_pad_returns): New variables
10328 (TARGET_CPU_DEFAULT_generic): New constant
10329 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10330 (enum processor_type): Add generic32 and generic64.
10331 * i386.md (cpu attribute): Add generic32/generic64
10332 (movhi splitter): Behave sanely when both partial_reg_dependency and
10333 partial_reg_stall are set.
10334 (K8 splitters): Enable for generic as well.
10335 * predicates.md (incdec_operand): Use TARGET_INCDEC
10336 (aligned_operand): Avoid memory mismatch stalls.
10337 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10338 * ppro.md: Enable for generic32
10339 * i386.c (generic64_cost, generic32_cost): New.
10340 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10341 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10342 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10343 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10344 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10345 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10346 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10347 x86_accumulate_outgoing_args, x86_prologue_using_move,
10348 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10349 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10350 Enable for generic.
10351 (x86_use_incdec, x86_pad_returns): New.
10352 (override_options): Add generic32 and generic64, translate "generic"
10353 to generic32/generic64 and "i686" to "generic32", refuse
10354 "generic32"/"generic64" as arch target.
10355 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10356 (ix86_reorg): Honor PAD_RETURNS.
10358 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10360 * tree-pretty-print.c (dump_generic_node): Handle
10361 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10362 * cgraph.c (cgraph_expand_queue): Rename from
10363 cgraph_analyze_queue. Update all users.
10364 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10365 cgraph_expand_queue.
10366 (cgraph_expand_all_functions): Likewise.
10367 (cgraph_finalize_pending_functions): Remove. Update callers.
10369 * tree.h (OMP_DIRECTIVE_P): Define.
10370 (OMP_PARALLEL_FN): Define.
10371 (OMP_PARALLEL_DATA_ARG): Define.
10372 (OMP_SECTIONS_SECTIONS): Define.
10373 * tree-pass.h (pass_expand_omp): Declare.
10374 * omp-low.c (struct omp_region): Declare.
10375 (struct omp_context): Remove fields 'parallel_type',
10376 'parallel_start_ix' and 'parallel_start_additional_args'.
10378 (struct omp_for_data): Rename from struct expand_omp_for_data.
10379 (omp_regions): New static variable.
10380 (root_omp_region): New static variable.
10381 (find_omp_clause): Make static.
10382 (is_in_combined_parallel_ctx): Remove.
10383 (is_combined_parallel): New.
10384 (extract_omp_for_data): Move earlier in the file.
10385 (workshare_safe_to_combine_p): New.
10386 (get_ws_args_for): New.
10387 (determine_parallel_type): Move earlier in the file.
10388 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10390 (omp_copy_decl): Likewise.
10391 (create_omp_child_function): Likewise.
10392 (lookup_omp_region): New.
10393 (dump_omp_region): New.
10394 (debug_omp_region): New.
10395 (debug_all_omp_regions): New.
10396 (new_omp_region): New.
10397 (scan_omp_parallel): If parallel_nesting_level > 1, the
10398 directive is nested within another parallel directive.
10399 Set OMP_PARALLEL_FN.
10400 (scan_omp_for): Do not try to handle combined parallel+for
10402 Remove FIXME comment.
10403 (scan_omp_nested): Remove.
10404 (scan_omp_1): Do not call scan_omp_nested when
10405 parallel_nesting_level is > 1.
10406 Do not change the DECL_CONTEXT of local variables found.
10407 (lookup_decl_in_outer_ctx): New.
10408 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10409 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10410 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10411 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10412 If CTX is nested, lookup VAR in the outer context when
10413 building copy assignment.
10414 (lower_send_clauses): Rename from expand_send_clauses.
10415 If CTX is nested, lookup VAR in the outer context when
10416 building copy assignments.
10417 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10418 If CTX is nested, lookup VAR in the outer context when
10419 building copy assignments.
10420 (expand_parallel_call): Rename from build_parallel_call.
10421 Handle combined parallel+workshare cases.
10422 Re-implement to emit code into the CFG.
10424 (expand_omp_parallel): Re-implement to emit code into the CFG.
10425 Call move_sese_region_to_fn to outline the sub-graph
10426 containing the parallel region.
10427 (expand_omp_for_1): Remove.
10428 (expand_omp_for_generic): Re-implement to emit code into the
10430 (expand_omp_for_static_nochunk): Likewise.
10431 (expand_omp_for_static_chunk): Likewise.
10432 (expand_omp_for): Likewise.
10433 (expand_omp_sections): Likewise.
10434 (remove_exit_barriers): New.
10435 (expand_omp_synch): New.
10437 (build_omp_regions_1): New.
10438 (build_omp_regions): New.
10439 (execute_expand_omp): New.
10440 (gate_expand_omp): New.
10441 (pass_expand_omp): Define.
10442 (lower_omp_sections): Rename from expand_omp_sections.
10443 Set OMP_SECTIONS_SECTIONS.
10444 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10445 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10446 (lower_omp_single): Rename from expand_omp_simple.
10447 (lower_omp_master): Rename from expand_omp_master.
10448 (lower_omp_ordered): Rename from expand_omp_ordered.
10449 (lower_omp_critical): Rename from expand_omp_critical.
10450 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10451 (lower_omp_for): Re-implement.
10452 (lower_omp_parallel): Re-implement.
10453 (lower_regimplify): Rename from expand_regimplify.
10454 (lower_omp_1): Rename from expand_omp_1.
10455 If there are syntax errors in the program, replace every
10456 OpenMP directive with NOP.
10457 Call lower_omp_* instead of expand_omp_*.
10458 (lower_omp): Rename from expand_omp.
10460 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10461 * tree-gimple.h (enum omp_parallel_type): Remove.
10462 (gimple_boolify): Declare extern.
10463 (find_omp_clause, determine_parallel_type): Remove.
10465 * gimple-low.c (lower_omp_directive): New.
10466 (lower_stmt): Call it.
10467 (record_vars_into): Move from ...
10468 (record_vars): ... here.
10469 Call record_vars_into with current_function_decl.
10471 * gimplify.c (struct gimplify_ctx): Remove fields
10472 combined_pre_p and combined_ctxp. Update users.
10473 (get_formal_tmp_var): Add documentation.
10474 (gimple_boolify): Make extern.
10475 (gimplify_expr_in_ctx): Remove. Update callers.
10476 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10477 will always be a BIND_EXPR.
10478 (gimplify_expr): Handle OMP_RETURN_EXPR.
10479 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10480 (OMP_PARALLEL): Add 3 operands.
10481 (OMP_SECTIONS): Add 1 operand.
10482 (OMP_RETURN_EXPR): Define.
10484 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10485 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10486 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10487 creating a circular free list.
10488 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10490 * tree-flow.h (move_sese_region_to_fn): Declare.
10491 (record_vars_into): Declare.
10492 * tree-cfg.c (make_omp_sections_edges): New.
10493 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10494 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10495 OMP_SECTIONS and OMP_SECTION.
10496 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10497 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10498 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10499 (gather_blocks_in_sese_region): New.
10500 (struct move_stmt_d): Declare.
10501 (move_stmt_r): New.
10502 (move_block_to_fn): New.
10503 (move_sese_region_to_fn): New.
10505 * passes.c (init_optimization_passes): Schedule
10506 pass_expand_omp after pass_init_datastructures.
10508 * tree-ssa-operands.c (get_expr_operands): Handle
10509 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10510 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10512 2006-01-19 Jeff Law <law@redhat.com>
10514 * tree-vrp.c (extract_range_from_assert): Refine the result range
10515 if the variable referenced by the ASSERT_EXPR has a range and
10516 either the tentative result range or the previous range is a
10519 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10521 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10523 2006-01-19 Jan Hubicka <jh@suse.cz>
10525 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10527 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10529 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10530 (expand_compound_operation, expand_field_assignment): Fail if the
10531 bit lengths of an extract operation are out of range.
10532 (make_extraction): Compute wanted_inner_mode based on the position
10533 and length of the extraction. Make it extraction_mode for non-constant
10534 positions, and do not modify offset in that case. When generating a
10535 new MEM, use a mode that can hold the extraction while keeping correct
10536 alignment. Remove code that supported MEMs wrapped by USEs.
10537 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10539 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10541 * config/s390/s390.md ("Y", "y"): New mode attribute.
10542 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10543 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10544 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10545 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10546 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10547 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10548 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10549 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10550 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10551 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10552 "addsi3", "subsi3"): Insn patterns removed.
10553 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10554 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10555 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10556 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10557 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10558 "*sub<mode>3_cconly2"): New insn patterns.
10559 ("addsi3", "subsi3"): New expanders.
10561 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10563 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10564 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10565 existing STMT_VINFO_VECTYPE if available.
10566 (vect_mark_relevant): Add special handling for stmts that are
10567 marked as STMT_VINFO_IN_PATTERN_P.
10568 (vect_analyze_loop): Call vect_pattern_recog.
10569 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10570 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10572 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10573 (vect_recog_func_ptr): New function-pointer type.
10574 * tree-vect-patterns.c: New file.
10575 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10576 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10577 (vect_pattern_recog_1): New functions.
10578 (vect_pattern_recog_funcs): New array of function pointers.
10580 * tree-vectorizer.h (ternary_op): New enum value.
10581 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10582 declaration. Revised documentation. Removed redundant dump prints.
10583 Removed redundant argument. Added support for reduction patterns.
10584 (vectorizable_reduction): Added support for reduction patterns.
10585 (vect_transform_stmt): Added support for patterns.
10587 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10588 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10589 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10590 (expand_widen_pattern_expr): New function.
10591 (init_optabs): Initialize new optabs udot_prod_optab,
10593 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10594 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10595 (expand_widen_pattern_expr): New function declaration.
10596 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10598 * tree-inline.c (estimate_num_insns_1): Added cases for new
10599 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10600 * tree-pretty-print.c (dump_generic_node): Likewise.
10601 (op_prio): Likewise.
10602 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10603 * tree-ssa-operands.c (get_expr_operands): Added case for
10605 * tree-vect-patterns.c (widened_name_p): New function.
10606 (vect_recog_dot_prod_pattern): Added function implementation.
10607 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10608 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10609 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10610 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10612 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10613 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10614 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10615 (init_optabs): Initialize new optabs widen_ssum_optab,
10617 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10618 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10619 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10620 use instead of type of def.
10621 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10622 function implementation.
10623 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10624 widen_ssumv8hi): New.
10626 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10629 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10632 * c-decl.c (add_flexible_array_elts_to_size): New function.
10633 (finish_decl): Use it.
10635 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10637 * diagnostic.h: Include options.h.
10638 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10639 dependancies for diagnostic.h.
10640 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10642 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10644 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10645 (ssa_ro_call_cache_valid): Ditto.
10646 * tree-ssa-alias.c (sort_tags_by_id): New function.
10647 (init_transitive_clobber_worklist): Ditto.
10648 (add_to_worklist): Ditto.
10649 (mark_aliases_call_clobbered): Ditto.
10650 (compute_tag_properties): Ditto.
10651 (set_initial_properties): Ditto.
10652 (compute_call_clobbered): Ditto.
10653 (compute_may_aliases): Call compute_call_clobbered and grouping.
10654 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10655 (compute_flow_insensitive_aliasing): Grouping now happens in our
10657 (setup_pointers_and_addressables): Remove clobbering related code.
10658 (add_may_alias): Ditto.
10659 (replace_may_alias): Ditto.
10660 (get_nmt_for): Ditto.
10661 (create_global_var):
10662 (is_escape_site): Return an escape_type enumeration.
10663 * tree-flow-inline.h (is_call_clobbered): Global var does not
10664 imply call clobbered.
10665 (mark_call_clobbered): Take a reason for marking this. Remove
10666 marking of globalness, and cache invalidation.
10667 (clear_call_clobbered): Remove cache invalidation code.
10668 * tree-dfa.c (dump_variable): If details is on, dump the reason
10670 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10672 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10673 (struct var_ann_d): Ditto.
10674 (enum escape_type): New.
10675 (mark_call_clobbered): Adjust prototype.
10676 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10677 are never call clobbered.
10678 Record reasons for escaping.
10679 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10680 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10681 (ssa_ro_call_cache_valid): Ditto.
10682 (clobbered_v_may_defs): Ditto.
10683 (clobbered_vuses): Ditto.
10684 (ro_call_vuses): Ditto.
10685 (clobber_stats): New.
10686 (init_ssa_operands): Zero out clobber stats.
10687 (fini_ssa_operands): Print out clobber stats.
10688 (get_call_expr_operands): Pass callee fndecl to
10689 add_call_read_ops).
10690 (add_call_clobber_ops): Remove use of cache.
10691 Add use of PURE_CONST information.
10692 (add_call_read_ops): Remove use of cache.
10693 Add use of static not_read information.
10695 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10697 Introduce TLS descriptors for i386 and x86_64.
10698 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10699 (TARGET_ANY_GNU_TLS): New macro.
10700 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10701 (struct machine_function): Add tls_descriptor_call_expanded_p.
10702 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10703 (ix86_current_function_calls_tls_descriptor): Likewise.
10704 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10705 (override_options): Introduce gnu2 tls dialect.
10706 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10708 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10710 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10711 (ix86_init_machine_status): Initialize new field.
10712 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10713 (ix86_tls_module_base): New.
10714 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10715 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10716 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10717 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10718 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10719 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10720 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10721 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10722 * config/i386/predicates.md (tls_modbase_operand): New.
10723 (tp_or_register_operand): New.
10725 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10727 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10728 (look_for_address_of): Ditto.
10729 (ipa_init): Walk the function decls.
10730 (static_execute): Don't set readonly on FUNCTION_DECL's.
10732 2006-01-18 Roger Sayle <roger@eyesopen.com>
10734 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10735 for shifts where the source and destination registers are different.
10737 2006-01-18 Paul Brook <paul@codesourcery.com>
10739 Merge from csl-arm-branch.
10740 2005-03-14 Julian Brown <julian@codesourcery.com>
10741 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10742 (aeabi_llsl): Likewise.
10743 (ashrdi3): Likewise.
10744 (aeabi_lasr): Likewise.
10745 (lshrdi3): Likewise.
10746 (aeabi_llsr): Likewise.
10747 2005-03-10 Julian Brown <julian@codesourcery.com>
10748 * config.gcc: Disable shared libgcc for SymbianOS.
10749 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10751 2006-01-18 DJ Delorie <dj@redhat.com>
10753 * c-pragma.c (handle_pragma_diagnostic): New.
10754 (init_pragma): Register it.
10755 * doc/extend.texi: Document it.
10757 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10758 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10759 (diagnostic_context): Add classify_diagnostic[].
10760 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10761 as errors if they're overridden to DK_WARNING.
10762 (diagnostic_initialize): Initialize classify_diagnostic[].
10763 (diagnostic_set_kind_override): New.
10764 (diagnostic_report_diagnostic): Check for kind changes.
10765 * opts.c (common_handle_option): Take lang_mask. Update callers.
10766 Handle OPT_Werror_.
10767 * common.opt (Werror=): New.
10768 * doc/invoke.texi: Document -Werror=*
10770 2006-01-18 Jeff Law <law@redhat.com>
10772 * tree-vrp.c (test_for_singularity): Correct test for new
10773 min limit. Use operand_equal_p rather than pointer equality
10774 for testing if new min/max values are equal.
10776 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10777 using range information until after propagation and folding.
10779 2006-01-18 Richard Henderson <rth@redhat.com>
10780 Aldy Hernandez <aldyh@redhat.com>
10781 Jakub Jelinek <jakub@redhat.com>
10782 Diego Novillo <dnovillo@redhat.com>
10784 * omp-low.c: New file.
10785 * c-omp.c: New file.
10787 2006-01-18 Richard Henderson <rth@redhat.com>
10788 Jakub Jelinek <jakub@redhat.com>
10789 Diego Novillo <dnovillo@redhat.com>
10791 * doc/invoke.texi: Document -fopenmp.
10792 * tree-dump.h (debug_function): Declare.
10793 * hooks.c (hook_bool_tree_bool_false): New function.
10794 (hook_tree_tree_null): Remove.
10795 (hook_tree_tree_tree_null): New.
10796 * hooks.h: Update to match.
10797 * tree-pretty-print.c (debug_tree_chain): New.
10798 (print_generic_expr): Handle TDF_CHAIN.
10799 (dump_generic_node): Handle BLOCK.
10800 Do not abort with incomplete SWITCH_EXPRs.
10801 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10802 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10803 print space after directive name.
10804 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10805 Handle OMP_MASTER and OMP_ORDERED.
10806 Handle printing of OMP_BODY just in one place, goto
10807 dump_omp_body in the rest of OMP_* nodes that have
10809 Don't handle clause nodes here. Update omp statements to
10810 use dump_omp_clauses.
10811 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10812 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10813 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10814 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10815 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10816 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10817 Adjust output for GOMP_PARALLEL.
10818 (dump_omp_clauses): New.
10819 (print_declaration): Dump DECL_VALUE_EXPR.
10820 (op_symbol_1): Split out of op_symbol.
10821 (dumping_stmts): Remove. Update all users.
10822 * cgraph.c (cgraph_analyze_queue): New.
10823 (cgraph_add_new_function): New.
10824 * cgraph.h (cgraph_analyze_queue): Declare.
10825 (cgraph_add_new_function): Declare.
10826 (cgraph_lower_function): Remove.
10827 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10828 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10829 and TYPE_P nodes in its default clause.
10830 (empty_body_p): New.
10831 (tree_range_check_failed): New.
10832 (build5_stat): New.
10833 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10834 OMP_CLAUSE_REDUCTION_MERGE,
10835 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10836 OMP_CLAUSE_PRIVATE_DEBUG,
10837 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10838 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10839 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10840 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10841 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10842 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10843 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10844 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10845 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10846 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10847 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10848 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10849 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10850 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10851 (TREE_RANGE_CHECK): New.
10852 (empty_body_p): Declare.
10853 (enum omp_clause_default_kind): New.
10854 (build_string_literal): Declare.
10855 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10856 (build5_stat, build5): Declare.
10857 * tree-pass.h (TDF_CHAIN): Define.
10858 * tree-pass.h (PROP_gimple_lomp): Define.
10859 (pass_lower_omp): Declare.
10860 * diagnostic.h (debug_tree_chain): Declare.
10861 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10863 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10864 * builtins.c (build_string_literal): Make extern.
10865 * gcc.c (include_spec_function): New.
10866 (static_spec_functions): Add it.
10867 (main): Move load of libgomp.spec ...
10868 (LINK_COMMAND_SPEC): ... here.
10869 (link_gomp_spec): New.
10870 (static_specs): Include it.
10871 (LINK_COMMAND_SPEC): Add link_gomp.
10872 (GOMP_SELF_SPECS): New.
10873 (driver_self_specs): Include it.
10874 (switch_matches): Don't mark inline.
10875 (main): Load libgomp.spec.
10876 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10877 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10878 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10879 * tree-gimple.h (enum omp_parallel): Declare.
10880 (determine_parallel_type): Declare.
10881 (omp_firstprivatize_variable): Declare.
10882 (omp_reduction_init): Declare.
10883 (diagnose_omp_structured_block_errors): Declare.
10884 (struct walk_stmt_info): Add want_return_expr.
10885 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10886 (find_omp_clause): Declare.
10887 (insert_field_into_struct): Declare.
10888 (struct walk_stmt_info): Move from tree-nested.c
10889 (walk_stmts): Declare.
10890 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10892 * cgraphunit.c (cgraph_lower_function): Make static.
10893 (cgraph_finalize_pending_functions): New.
10894 (cgraph_finalize_function): Call it.
10895 (cgraph_finalize_compilation_unit): Likewise.
10896 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10897 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10898 (BT_FN_UINT_UINT): New.
10899 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10900 DEF_FUNCTION_TYPE_VAR_4): Document.
10901 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10902 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10903 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10904 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10905 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10906 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10907 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10908 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10909 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10910 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10911 into separate files.
10912 (DEF_GOMP_BUILTIN): New.
10913 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10914 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10915 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10916 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10917 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10918 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10919 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10920 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10921 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10922 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10923 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10924 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10925 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10926 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10927 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10928 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10929 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10930 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10931 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10932 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10933 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10934 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10935 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10936 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10937 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10938 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10939 * sync-builtins.def: New file, moved from builtins.def.
10940 * omp-builtins.def: New file, moved from builtins.def.
10941 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10942 * gimple-low.c (lower_function_body): Clear data.
10943 (lower_stmt): Do not handle COMPOUND_EXPR.
10944 Remove call to print_node_brief.
10945 * c-tree.h (c_finish_omp_clauses): New prototype.
10946 (C_DECL_THREADPRIVATE_P): Define.
10947 (lookup_name_no_remap, c_omp_remap_private): Remove
10948 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10949 (check_for_loop_decls): Update decl.
10950 (lookup_name_no_remap, c_omp_remap_private): Declare.
10951 (build_indirect_ref, build_modify_expr, pushdecl,
10952 pushdecl_top_level): Move to c-common.h.
10953 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10954 before the switch, but just in the 2 places that need it.
10955 * c-decl.c (diagnose_mismatched_decls): Do not check for
10956 mismatched thread-local attributes when OLDDECL is marked
10957 threadprivate and NEWDECL has no thread-local attributes.
10958 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10959 (c_gimple_diagnostics_recursively): Rename from
10960 c_warn_unused_result_recursively. Invoke
10961 diagnose_omp_structured_block_errors.
10962 (check_for_loop_decls): Return a singular decl found.
10963 * langhooks.c (lhd_omp_predetermined_sharing): Return
10964 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10965 (lhd_omp_firstprivatize_type_sizes): New.
10966 (lhd_omp_assignment): New.
10967 (lhd_omp_predetermined_sharing): New.
10968 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10969 (struct lang_hooks_for_types): Add
10970 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10971 omp_predetermined_sharing, omp_disregard_value_expr,
10972 omp_private_debug_clause, omp_clause_default_ctor,
10973 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10974 (c_finish_omp_clauses): New.
10975 (c_finish_bc_stmt): Diagnose break within omp for.
10976 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10977 (build_unary_op): Return error_mark after reporting
10979 (build_modify_expr): Likewise.
10980 * gimplify.c: Include optabs.h and pointer-set.h.
10981 (enum gimplify_omp_var_data): Declare.
10982 (struct gimplify_omp_ctx): Declare.
10983 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10985 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10986 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10987 (splay_tree_compare_decl_uid): New.
10988 (new_omp_context): New.
10989 (delete_omp_context): New.
10990 (gimple_add_tmp_var): Call omp_add_variable.
10991 (gimplify_bind_expr): Likewise.
10992 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10993 true, disregard DECL_VALUE_EXPR on the decl if any.
10994 (gimplify_expr_in_ctx): New.
10995 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10996 omp_add_variable, omp_notice_variable, omp_is_private
10997 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10998 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10999 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11000 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11001 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11002 gimplify_omp_atomic): New.
11003 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11004 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11005 OMP_CRITICAL and OMP_ATOMIC.
11006 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11007 * c-pragma.h (enum pragma_kind): Add
11008 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11009 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11010 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11011 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11012 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11013 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11014 PRAGMA_OMP_THREADPRIVATE.
11015 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11016 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11017 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11018 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11019 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11020 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11021 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11022 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11023 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11024 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11025 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11026 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11027 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11029 (struct nesting_info): Add field_map,
11030 suppress_expansion, debug_var_chain.
11031 (create_nesting_tree): Initialize them.
11032 (lookup_field_for_decl): Use field_map.
11033 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11034 (convert_local_omp_clauses): New.
11035 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11036 (walk_body): Split out of walk_function.
11037 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11038 (convert_nonlocal_reference): Handle omp statements.
11039 (convert_local_reference): Likewise.
11040 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11041 (unnest_nesting_tree): New.
11042 (lower_nested_functions): Call it.
11043 (insert_field_into_struct): Make extern.
11044 (struct walk_stmt_info): Move to tree-gimple.h.
11045 (walk_stmts): Make extern.
11046 * omp-builtins.def: New file.
11047 * tree-iterator.c (expr_only): Clarify comment.
11048 * c-common.h (pushdecl_top_level, pushdecl,
11049 build_modify_expr, build_indirect_ref,
11050 c_finish_omp_master, c_finish_omp_critical,
11051 c_finish_omp_ordered, c_finish_omp_barrier,
11052 c_finish_omp_atomic, c_finish_omp_flush,
11053 c_finish_omp_for, c_split_parallel_clauses,
11054 omp_clause_default_kind, c_omp_sharing_predetermined,
11055 c_omp_remap_decl): Declare.
11056 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11057 (OBJS-common): Add omp-low.o.
11058 (c-omp.o, omp-low.o): Add.
11059 (gimplify.o): Add dependency on $(OPTABS_H).
11060 (GTFILES): Add omp-low.c.
11061 (gt-stringpool.h): Add.
11062 * tree-cfg.c (set_bb_for_stmt): Do not update the
11063 block-to-labels map if we are currently expanding to RTL.
11064 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11066 Handle IDENTIFIER_NODE.
11067 (tree_verify_flow_info): Do not ICE when emitting error
11068 messages about invalid labels.
11069 (dump_function_to_file): Reset CFUN before emitting the body
11071 (debug_function): New.
11072 * passes.c (init_optimization_passes): Schedule
11074 * langhooks-def.h (lhd_omp_predetermined_sharing,
11075 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11077 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11078 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11079 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11080 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11081 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11082 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11083 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11084 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11085 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11086 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11087 (LANG_HOOK_DECLS): Use them.
11089 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11090 Richard Henderson <rth@redhat.com>
11091 Jakub Jelinek <jakub@redhat.com>
11092 Diego Novillo <dnovillo@redhat.com>
11094 * c-parser.c (pragma_omp_clause): Define.
11095 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11096 (c_parser_compound_statement): Likewise.
11097 (c_parser_statement): Likewise.
11098 (c_parser_pragma): Handle omp pragmas.
11099 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11100 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11101 (c_parser_omp_clause_name, check_no_duplicate_clause,
11102 c_parser_omp_variable_list,
11103 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11104 c_parser_omp_clause_copyprivate,
11105 c_parser_omp_clause_default,
11106 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11107 c_parser_omp_clause_lastprivate,
11108 c_parser_omp_clause_nowait,
11109 c_parser_omp_clause_num_threads,
11110 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11111 c_parser_omp_clause_reduction,
11112 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11113 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11114 c_parser_omp_atomic, c_parser_omp_barrier,
11115 c_parser_omp_critical, c_parser_omp_flush,
11116 c_parser_omp_for_loop, c_parser_omp_for,
11117 c_parser_omp_master, c_parser_omp_ordered,
11118 c_parser_omp_sections_scope, c_parser_omp_sections,
11119 c_parser_omp_parallel, c_parser_omp_single,
11120 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11121 * c-pragma.c (init_pragma): Do omp pragma registration here.
11122 * c.opt (fopenmp): New flag.
11124 2006-01-18 Eric Christopher <echristo@apple.com>
11126 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11127 * config/darwin.h (GOMP_SELF_SPECS): Define.
11129 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11131 * rtl.h: Remove the prototype for reg_alloc.
11133 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11136 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11137 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11138 sjlj and dwarf2 exception handling.
11139 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11140 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11141 * pa/pa.c (function_value): Treat complex and vector types as
11143 (function_arg): Likewise. Only pass scalar floats in the floating
11144 point argument registers.
11145 * pa/t-slibgcc-dwarf-ver: New file.
11146 * pa/t-slibgcc-sjlj-ver: New file.
11147 * pa/t-slibgcc-elf-ver: Delete file.
11149 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11151 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11152 unlikely_test_section_p test.
11154 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11156 * mode-switching.c (optimize_mode_switching): Make it static.
11157 * basic-block.h: Remove the prototype for
11158 optimize_mode_switching.
11160 * modulo-sched.c (sms_schedule): Make it static.
11161 * rtl.h: Remove the prototype for sms_schedule.
11163 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11164 * rtl.h: Remove the prototype for gcse_after_reload_main.
11166 * reg-stack.c (reg_to_stack): Make it static.
11167 * rtl.h: Remove the prototype for reg_to_stack.
11169 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11171 * rtl.h: Remove the prototypes for regrename_optimize and
11172 copyprop_hardreg_forward.
11174 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11176 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11177 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11178 Test against the appropriate null constant for the mode.
11179 If 'fixup_overlap' is true, swap the operands if they overlap.
11180 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11181 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11182 alpha_split_tmode_pair and adjust for above change.
11183 * config/alpha/alpha.md (movtf_internal): Adjust call to
11184 alpha_split_tfmode_pair and rely on it to swap the operands.
11185 (movti_internal): New insn and post-reload splitter.
11186 (movti): New expander.
11188 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11190 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11193 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11195 * rtlanal.c (global_reg_mentioned_p_1,
11196 global_reg_mentioned_p): Remove.
11197 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11199 * flow.c (initialize_uninitialized_subregs): Make it static.
11200 * rtl.h: Remove the prototype for
11201 initialize_uninitialized_subregs.
11203 * function.c (instantiate_virtual_regs): Make it static.
11204 * function.h: Remove the prototype for
11205 instantiate_virtual_regs.
11207 * regmove.c (regmove_optimize, combine_stack_adjustments):
11209 * rtl.h: Remove the prototypes for regmove_optimize and
11210 combine_stack_adjustments.
11212 2006-01-17 Roger Sayle <roger@eyesopen.com>
11214 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11215 (size_cost): Encode costs in bytes so that a reg-reg addition is
11216 equivalent to COSTS_N_INSNS(1).
11217 (override_options): Use the size_cost.branch_cost as the default
11218 ix86_branch_cost when optimizing for size.
11220 2006-01-18 Ben Elliston <bje@au.ibm.com>
11222 * Makefile.in (D32PBIT_FUNCS): New.
11223 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11224 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11225 D64PBIT_FUNCS and D128PBIT_FUNCS.
11226 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11227 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11229 (decnumber_dep): Define.
11230 * doc/libgcc.texi (Decimal float library routines): New node.
11231 * config/dfp-bit.h, config/dfp-bit.c: New files.
11233 2006-01-18 Ben Elliston <bje@au.ibm.com>
11235 * expr.c (emit_move_change_mode): Always adjust addresses, not
11236 just during reload. Copy replacements only during reload.
11237 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11238 emit_move_via_integer.
11240 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11242 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11243 instead of $(srcdir) and ${srcdir}.
11245 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11248 PR middle-end/11135
11249 * arm.h (struct machine_function): Add pic_reg.
11250 * arm.c (arm_pic_register): Make unsigned.
11251 (arm_override_options): Only set arm_pic_register if
11252 TARGET_SINGLE_PIC_BASE.
11253 (use_return_insn): Only test for a pic register if it is fixed.
11254 (arm_compute_save_reg0_reg12_mask): Likewise.
11255 (thumb_compute_save_reg_mask): Likewise.
11256 (legitimate_pic_operand): Factor out some known invariants.
11257 (legitimize_pic_address): If we don't have a fixed pic register,
11258 then set up a pseudo in the function entry sequence. Handle the
11259 pic base being in a pseudo.
11260 (arm_load_pic_register): Handle the pic register being in a pseudo.
11261 (arm_expand_prologue): Only set up the pic register if it is fixed.
11262 (thumb_expand_prologue): Likewise.
11263 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11264 (pic_load_addr_based_insn): Likewise.
11265 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11268 2006-01-18 Ben Elliston <bje@au.ibm.com>
11270 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11271 decimal float modes for all floating point registers.
11273 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11274 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11276 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11279 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11280 even when the pointer is not NULL.
11282 2006-01-16 Ian Lance Taylor <ian@airs.com>
11284 * common.opt (ftoplevel-reorder): New option.
11285 * cgraph.c (cgraph_asm_nodes): New global variable.
11286 (cgraph_asm_last_node): New static variable.
11287 (cgraph_order): New global variable.
11288 (cgraph_create_node): Set new order field.
11289 (cgraph_varpool_node): Likewise.
11290 (decide_is_variable_needed): Return true if not
11291 flag_toplevel_reorder.
11292 (cgraph_add_asm_node): New function.
11293 * cgraph.h (struct cgraph_node): Add order field.
11294 (struct cgraph_varpool_node): Add order field.
11295 (struct cgraph_asm_node): Define.
11296 (cgraph_asm_nodes, cgraph_order): Declare.
11297 (cgraph_add_asm_node): Declare.
11298 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11300 (cgraph_varpool_assemble_pending_decls): Call it.
11301 (cgraph_output_pending_asms): New static function.
11302 (cgraph_finalize_compilation_unit): Call it.
11303 (struct cgraph_order_sort): Define.
11304 (cgraph_output_in_order): New static function.
11305 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11306 !flag_toplevel_reorder case.
11307 * c-parser.c: Include "cgraph.h".
11308 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11310 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11311 than -fno-unit-at-a-time.
11312 * doc/invoke.texi (Option Summary): Mention
11313 -fno-toplevel-reorder.
11314 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11315 -funit-at-a-time documentation.
11317 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11318 Kazu Hirata <kazu@codesourcery.com>
11320 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11322 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11324 * Makefile.in (FUNCTION_H): New. Use it instead of
11325 function.h throughout the file.
11326 * function.h: Include tree.h.
11328 2006-01-17 Ben Elliston <bje@au.ibm.com>
11330 * recog.c: Separate some functions with whitespace.
11332 2006-01-16 Richard Henderson <rth@redhat.com>
11334 Merge from gomp branch:
11335 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11336 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11337 and rename from struct inline_data. Rename callee* to dst*;
11338 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11339 transform_new_cfg, transform_return_to_modify, and
11340 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11342 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11343 (copy_decl_for_dup): Remove.
11344 * tree-inline.c (struct inline_data): Move to header.
11345 (insert_decl_map): Export.
11346 (remap_decl): Update for member name changes. Use copy_decl hook.
11347 Allow for replacement to be a non-decl. Remove dead code.
11348 (remap_type_1): Check for existing mapping.
11349 (remap_type): Export.
11350 (remap_decls): Update for member name changes.
11351 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11352 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11353 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11354 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11355 (tree_function_versioning, build_duplicate_type): Likewise.
11356 (copy_body_r): Likewise. Export.
11357 (copy_decl_for_dup): Split into ...
11358 (copy_decl_for_dup_finish, copy_decl_to_var,
11359 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11360 (replace_ref_tree, inlining_p): Remove.
11362 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11364 * ifcvt.c (if_convert): Make it static.
11365 * rtl.h: Remove the prototype for if_convert.
11367 * local-alloc.c (local_alloc): Make it static.
11368 * rtl.h: Remove the prototype for local_alloc.
11370 * loop.c (loop_optimize): Make it static.
11371 * cfgloop.h: Remove the prototype for loop_optimize.
11374 2006-01-16 DJ Delorie <dj@redhat.com>
11376 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11379 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11381 * pa.md: Disparage copies between general and floating-point registers
11382 in 32-bit move patterns.
11384 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11387 * Makefile.in (check-%): Depend on site.exp instead of
11388 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11391 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11393 * global.c (global_alloc): Make it static.
11394 * rtl.h: Remove the prototype for global_alloc.
11396 2006-01-16 Richard Guenther <rguenther@suse.de>
11398 * tree-ssa-alias.c (struct used_part): Add write_only field.
11399 (get_or_create_used_part_for): Initialize it to true.
11400 (create_overlap_variables_for): Don't create structure variables
11401 for structures that only are written to.
11402 (find_used_portions): Handle MODIFY_EXPR to track whether a
11403 structure is only written to.
11405 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11407 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11409 * basic-block.h: Remove the prototype for
11410 partition_hot_cold_basic_blocks.
11412 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11414 * cppspec.c (lang_specific_spec_functions): Remove.
11415 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11416 * gcc.h (lang_specific_spec_functions): Remove.
11417 * gccspec.c (lang_specific_spec_functions): Remove.
11419 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11421 * combine.c (record_value_for_reg): Invalidate registers
11423 (record_dead_and_set_regs_1): Likewise, by passing them to
11424 record_value_for_reg.
11425 (record_dead_and_set_regs): Invalidate stores made by a
11426 call. We do not combine across a call, but we still
11427 relied on equivalences.
11429 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11431 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11432 vrp_int_const_binop returning non-constant nodes.
11434 2006-01-16 Paul Brook <paul@codesourcery.com>
11436 * config/m68k/m68k.c (output_move_const_into_data_reg):
11437 Output correct mnemonic for mvz and mvs.
11439 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11441 * rtl-factoring.c: Add sequence abstraction algorithm.
11442 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11443 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11445 (block_has_preserve_label): New function.
11446 * common.opt: Register new pass.
11447 * Makefile.in: Ditto.
11449 * timevar.def: Ditto.
11450 * tree-pass.h: Ditto.
11451 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11452 * rtl.h (make_jump_insn_raw): Add forward decl.
11453 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11455 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11456 Roger Sayle <roger@eyesopen.com>
11458 * fold-const.c (fold_minmax): New static function.
11459 (fold_binary) <MIN_EXPR>: Call it.
11460 <MAX_EXPR>: Likewise.
11461 * stor-layout.c (place_field): Use DECL_SIZE consistently
11462 in the computation of the new record size.
11464 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11466 * cse.c (cse_condition_code_reg): Make it static.
11467 * rtl.h: Remove the prototype for cse_condition_code_reg.
11469 * combine.c (combine_instructions): Make it static.
11470 * rtl.h: Remove the prototype for combine_instructions.
11472 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11475 * tree.c (get_file_function_name_long): Concatenate the first global
11476 object name with a string derived from the input filename of the object
11479 2006-01-16 Ben Elliston <bje@au.ibm.com>
11481 * config/i386/winnt-stubs.c: Update FSF address.
11482 * config/xtensa/ieee754-df.S: Ditto.
11483 * config/xtensa/ieee754-sf.S: Ditto.
11485 2006-01-14 Ian Lance Taylor <ian@airs.com>
11487 * ifcvt.c (noce_init_if_info): New static function, broken out of
11488 noce_process_if_block.
11489 (noce_process_if_block): Call noce_init_if_info.
11490 (check_cond_move_block): New static function.
11491 (cond_move_process_if_block): New static function.
11492 (process_if_block): Call cond_move_process_if_block.
11494 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11496 * cselib.c (hash_table): Rename to cselib_hash_table.
11497 (cselib_clear_table, discard_useless_values,
11498 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11499 cselib_init, cselib_finish): Adjust uses of hash_table.
11501 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11503 PR tree-optimization/25485
11504 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11505 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11506 is known to be false and true, respectively.
11508 2006-01-14 Richard Guenther <rguenther@suse.de>
11510 PR tree-optimization/22548
11511 PR tree-optimization/22555
11512 PR tree-optimization/22501
11513 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11514 * params.def (salias-max-array-elements): New parameter.
11515 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11516 * doc/invoke.texi (salias-max-array-elements): Document.
11517 * tree-flow-inline.h (var_can_have_subvars): We also handle
11519 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11521 * tree-ssa-structalias.c (params.h): Include.
11522 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11523 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11524 (get_constraint_for): For ADDR_EXPR operating on something
11525 containing an ARRAY_REF, add all subvars to the solution.
11526 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11527 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11528 for creating MUST_DEFs.
11529 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11531 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11533 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11535 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11536 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11537 number_of_iterations_le): New functions.
11538 (number_of_iterations_special): Removed.
11539 (number_of_iterations_exit): Do not use number_of_iterations_special.
11540 * tree.c (unsigned_type_for): Always return integer type.
11542 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11543 Richard Guenther <rguenther@suse.de>
11545 PR rtl-optimization/24257
11546 * gcse.c (find_moveable_store): Only consider a store movable
11547 when the SET_SRC of the insn can be assigned to a register.
11549 2006-01-14 Ian Lance Taylor <ian@airs.com>
11551 * tree.c (tree_not_class_check_failed): New function.
11552 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11553 (tree_not_class_check_failed): Declare.
11555 2006-01-13 Ian Lance Taylor <ian@airs.com>
11557 * reload1.c (do_output_reload): Add assertion rejecting a
11560 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11562 * combine.c (struct reg_stat): Add new fields truncation_label and
11564 (record_value_for_reg): Reset truncated_to_mode.
11565 (record_truncated_value): New function.
11566 (check_promoted_subreg): Call it. Rename to check_conversions.
11567 (combine_instructions): Rename check_promoted_subreg to
11569 (reg_truncated_to_mode): New function.
11570 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11571 (gen_lowpart_or_truncate): New function.
11572 (force_to_mode): Use it instead of gen_lowpart.
11574 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11576 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11577 VAR is a tag, not its type tag.
11579 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11581 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11582 alternatives to match style of other entries.
11583 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11585 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11587 PR tree-optimization/25771
11588 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11591 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11594 * tree-inline.c (declare_return_variable): If the return variable
11595 was marked as a non gimple complex, set the return slot variable
11596 to be a non gimple comple variable.
11598 2006-01-13 Richard Guenther <rguenther@suse.de>
11600 * builtins.c (expand_builtin_sincos): New function.
11601 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11603 (expand_builtin): Expand sincos using expand_builtin_sincos.
11605 2006-01-12 DJ Delorie <dj@redhat.com>
11607 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11608 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11609 so that constant shifts can be split.
11610 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11611 (m32c_valid_pointer_mode): Make static.
11612 (shift_gen_func_for): New.
11613 (m32c_prepare_shift): Use it. Split large const shifts into
11615 * config/m32c/predicates.md (shiftcount_operand): Allow more
11617 (longshiftcount_operand): New.
11618 * doc/md.texi (Machine Constraints): Document In6.
11620 2006-01-13 Ben Elliston <bje@au.ibm.com>
11622 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11623 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11626 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11628 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11629 to try to avoid clobbering pieces of structures when we know
11630 something about the whole structure.
11631 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11633 2006-01-13 Ben Elliston <bje@au.ibm.com>
11635 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11636 return in memory, as this is no limitation is no longer present.
11638 2006-01-12 DJ Delorie <dj@redhat.com>
11640 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11641 mova with fb, and for fb+0 -> An.
11643 * config/m32c/mov.md (peephole2): Fix enabling logic.
11645 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11646 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11647 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11648 FINI_ARRAY_SECTION_ASM_OP): Define.
11650 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11652 (m32c_legitimize_reload_address): New logic to reload FB to An.
11653 (m32c_output_reg_push): Add newline.
11654 (m32c_output_reg_pop): Likewise.
11656 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11658 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11660 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11662 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11664 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11666 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11669 2006-01-11 Ben Elliston <bje@au.ibm.com>
11671 * rtlanal.c (find_reg_note): Assert insn is not null.
11673 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11675 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11678 2006-01-11 Jeff Law <law@redhat.com>
11680 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11682 (mark_threaded_blocks, register_jump_thread): New functions.
11683 (thread_through_all_blocks): Remove unwanted argument. No
11684 longer rely on e->aux to communicate thread target info.
11685 Call mark_threaded_blocks. Release the threaded_blocks
11686 bitmap and threaded_edges vector when complete.
11687 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11688 (threaded_blocks): Remove.
11689 (tree_ssa_dominator_optimize): Remove initialization and
11690 finalization of threaded_blocks. Simplify call to
11691 thread_through_all_blocks.
11692 (thread_across_edge): Call register_jump_thread rather than
11693 storing thread information into e->aux.
11694 (free_all_edge_infos): Simplify now that e->aux is no longer
11695 used to communicate with thread_through_all_blocks.
11696 * tree-flow.h (thread_through_all_blocks): Update prototype.
11697 (register_jump_thread): Prototype.
11699 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11701 * df-core.c (df_compact_blocks, df_bb_replace): Use
11702 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11704 2006-01-11 Richard Guenther <rguenther@suse.de>
11706 PR tree-optimization/25734
11707 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11708 stop propagation after successful propagation to the LHS.
11710 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11712 * basic-block.h (control_flow_graph): Change the type of
11713 x_basic_block_info to VEC(basic_block,gc) *.
11714 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11716 (SET_BASIC_BLOCK): New.
11717 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11718 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11719 * cfgbuild.c (find_basic_blocks): Likewise.
11720 * cfglayout.c (fixup_reorder_chain): Likewise.
11721 * cfgrtl.c (create_basic_block_structure,
11722 rtl_create_basic_block): Likewise.
11723 * ifcvt.c (find_if_case_1): Likewise.
11724 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11727 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11729 * Makefile.in: Removed rotted odf.c entry.
11731 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11734 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11735 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11736 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11737 output pattern modifier, not %e.
11738 * config/cris/cris.c (cris_op_str): Update comment about pattern
11740 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11741 before falling through into...
11742 <case 'E'>: Redefined from old 'e' case.
11744 2006-01-11 Jan Hubicka <jh@suse.cz>
11747 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11749 2006-01-11 Jan Hubicka <jh@suse.cz>
11751 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11752 * i386.c (x86_decompose_lea): Kill.
11753 (ix86_rtx_costs): Kill.
11755 2006-01-11 Jan Hubicka <jh@suse.cz>
11757 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11758 * cgraph.h (cgraph_node): Add inline_decl.
11759 (cgraph_insert_node_to_hashtable): Declare.
11760 (save_inline_function_body): Declare.
11761 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11763 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11764 (cgraph_function_versioning): Update call of tree_function_versioning.
11765 (save_inline_function_body): New function.
11766 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11767 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11768 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11769 (cgraph_default_inline_p): Likewise.
11770 (cgraph_decide_inlining_incrementally): Likewise.
11771 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11772 (copy_bb): Kill saving; do updating of clones.
11773 (copy_cfg_body): Kill saving.
11774 (initialize_inlined-parameters): Likewise.
11775 (expand_call_inline): Likewise.
11777 (tree_function_versioning): New parameter "update_clones".
11778 (inlining_p): Kill saving.
11779 * tree-inline.h (tree_function_versioning): Update prototype.
11780 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11783 2006-01-11 Ian Lance Taylor <ian@airs.com>
11785 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11786 Allow undoing set of machine mode.
11787 (do_SUBST): Use enums instead of is_int.
11788 (do_SUBST_MODE): New function.
11789 (SUBST_MODE): New macro.
11790 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11791 reg and trying to replace reg_regno_rtx with a new register.
11792 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11793 (simplify_set): Use SUBST_MODE.
11794 (distribute_notes): Remove code that tried to update reg notes
11795 for regno_reg_rtx changes.
11797 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11799 PR tree-optimization/23109
11800 PR tree-optimization/23948
11801 PR tree-optimization/24123
11803 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11804 * tree-cfg.c (single_noncomplex_succ): New.
11805 * tree-flow.h (single_noncomplex_succ): Declare it.
11806 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11807 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11808 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11809 insert_bb, register_division_in, insert_reciprocals,
11810 replace_reciprocal, free_bb): New.
11811 (execute_cse_reciprocals_1): Rewritten.
11812 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11813 Do not commit any edge insertion. Always compute dominators and
11814 create the allocation pool.
11815 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11816 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11817 * targhooks.c (default_min_divistions_for_recip_mul): New.
11818 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11819 * passes.c (init_optimization_passes): Run recip after tree loop
11821 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11823 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11824 Kenneth Zadeck <zadeck@naturalbridge.com>
11826 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11827 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11828 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11829 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11830 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11831 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11832 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11833 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11834 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11835 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11836 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11837 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11838 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11839 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11840 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11841 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11842 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11843 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11844 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11845 DF_SCAN_POST_ALLOC): New macros.
11846 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11847 df_free_bb_function, df_local_compute_function, df_init_function,
11848 df_dataflow_function, df_confluence_function_0,
11849 df_confluence_function_n, df_transfer_function,
11850 df_finalizer_function, df_free_function, df_dump_problem_function,
11851 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11852 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11853 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11854 df_urec_bb_info, ) New types.
11855 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11857 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11858 df_analyze_simple_change_some_blocks,
11859 df_analyze_simple_change_one_block, df_compact_blocks,
11860 df_bb_replace, df_bb_regno_last_use_find,
11861 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11862 df_insn_regno_def_p, df_find_def, df_find_use,
11863 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11864 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11865 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11866 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11867 debug_df_chain, df_get_dependent_problem, df_chain_create,
11868 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11869 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11870 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11871 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11872 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11873 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11874 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11875 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11876 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11877 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11878 df_reorganize_refs, df_set_state, df_hard_reg_init,
11879 df_read_modify_subreg_p) New public functions.
11880 * df-core.c: The core dataflow solver and glue routines for rtl
11882 (df_init, df_add_problem, df_set_blocks, df_finish,
11883 df_hybrid_search_forward, df_hybrid_search_backward,
11884 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11885 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11886 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11887 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11888 df_reg_defined, df_find_use, df_reg_used, df_dump,
11889 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11890 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11891 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11892 debug_df_useno, reset_df_after_reload): New functions.
11893 * df-scan.c: The scanning fuctions, once in df.c, completely
11894 rewritten so that they now fully model the functionality of
11895 register usage at the backend.
11896 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11897 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11898 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11899 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11900 df_get_artificial_defs, df_get_artificial_uses,
11901 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11902 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11903 df_refs_delete, df_reorganize_refs, df_set_state,
11904 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11905 df_def_record_1, df_defs_record, df_uses_record,
11906 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11907 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11908 df_record_exit_block_uses, df_hard_reg_init): New functions.
11910 * df-problems.c: Seven concrete dataflow problems that use the
11911 scanning in df-scan.c and are solved by the engine in df-core.c.
11912 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11913 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11914 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11915 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11916 df_ru_free_bb_info, df_ru_alloc,
11917 df_ru_bb_local_compute_process_def,
11918 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11919 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11920 df_ru_transfer_function, df_ru_free, df_ru_dump,
11921 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11922 df_rd_free_bb_info, df_rd_alloc,
11923 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11924 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11925 df_rd_transfer_function, df_rd_free, df_rd_dump,
11926 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11927 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11928 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11929 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11930 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11931 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11932 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11933 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11934 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11935 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11936 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11937 df_urec_mark_reg_use_for_earlyclobber,
11938 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11939 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11940 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11941 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11942 df_chain_create_bb_process_use, df_chain_create_bb,
11943 df_chain_finalize, df_chain_free, df_chains_dump,
11944 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11945 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11946 df_reg_lifetime): New functions.
11947 * df.c: Deleted file.
11948 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11949 consistent with new df api.
11950 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11951 rest_of_handle_sms): Ditto.
11952 * web.c (unionfind_union, union_defs, entry_register, web_main):
11954 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11955 invariant_expr_equal_p, find_defs, check_dependencies,
11956 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11957 free_inv_motion_data, move_loop_invariants): Ditto.
11958 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11959 Update dependencies.
11960 (odf.c): Added defective entry that was deleted later in day.
11961 * sched-deps.c (sched_analyze_1): Ditto.
11963 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11965 * tree-ssa-operands.c (get_expr_operands): Record addressable
11966 variables directly. Do not call add_stmt_operands for CONST_DECLs
11968 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11969 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11971 2006-01-11 Ben Elliston <bje@au.ibm.com>
11973 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11974 function returns true in the positive case.
11976 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11979 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11980 for SI, DI, SF and DF modes. Add alternatives to copy between
11981 general and floating point registers to the 32-bit patterns.
11982 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11983 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11984 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11985 generating 64-bit code.
11986 * config/pa/pa.c (output_move_double): Handle copies between general
11987 and floating registers.
11989 2006-01-10 Stuart Hastings <stuart@apple.com>
11991 * config/i386/i386.md (set_got): Update.
11992 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11993 (builtin_setjmp_receiver): Mach-O support.
11994 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11995 (GOT_SYMBOL_NAME): Define.
11996 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11997 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11998 * config/i386/i386.c (override_options): Revise for Darwin.
11999 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12000 support. (darwin_x86_file_end): New. (output_set_got): Add label
12001 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12002 * config/i386/i386-protos.h (output_set_got): Likewise.
12003 * config/darwin.c (machopic_legitimize_pic_address): Update
12006 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12008 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12009 when MODE isn't BLKmode.
12011 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12013 PR rtl-optimization/25367
12014 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12016 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12019 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12020 for a negative bound.
12022 2006-01-10 Richard Guenther <rguenther@suse.de>
12024 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12025 Never override with anything constraint.
12027 2006-01-10 Jan Beulich <jbeulich@novell.com>
12029 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12030 256 bits when optimize_size.
12032 2006-01-10 Jan Beulich <jbeulich@novell.com>
12034 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12036 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12037 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12040 2006-01-10 Ben Elliston <bje@au.ibm.com>
12042 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12044 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12045 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12046 (USE_FP_FOR_ARG): Reject decimal float modes.
12047 (function_arg_advance): Likewise.
12048 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12049 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12050 point types in AltiVec vectors.
12051 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12052 (rs6000_libcall_value): Likewise.
12054 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12056 * config/xtensa/ieee754-df.S: New file.
12057 * config/xtensa/ieee754-sf.S: New file.
12058 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12059 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12060 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12062 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12064 * config/sh/predicates.md (binary_float_operator,
12065 binary_logical_operator, commutative_float_operator,
12066 equality_comparison_operator, greater_comparison_operator,
12067 less_comparison_operator, logical_operator,
12068 noncommutative_float_operator, shift_operator,
12069 symbol_ref_operand, unary_float_operator): Remove redundant
12072 2006-01-09 Jeff Law <law@redhat.com>
12074 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12075 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12076 now unused arguments. Callers updated.
12077 (eliminate_redundant_computations): Remove now unused arguments,
12079 (local_fold): Remove, no longer used.
12080 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12082 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12083 (simplify_cond): New function.
12084 (forward_propagate_into_cond): Call simplify_cond.
12086 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12088 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12089 (*vec_extractv2di_1_sse): New.
12091 2006-01-09 Ben Elliston <bje@au.ibm.com>
12093 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12095 2006-01-08 Richard Guenther <rguenther@suse.de>
12097 * tree-ssa-structalias.c (get_constraint_for): Remove
12098 anyoffset argument.
12099 (get_constraint_for_component_ref): Likewise.
12100 (do_deref): Likewise.
12101 (get_constraint_for): Likewise.
12102 (do_structure_copy): Likewise.
12103 (handle_ptr_arith): Likewise.
12104 (find_func_aliases): Likewise. Remove unused need_anyoffset
12107 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12108 Kaz Kojima <kkojima@gcc.gnu.org>
12110 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12111 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12112 (EXTRA_CONSTRAINT_C16): Remove.
12113 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12114 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12115 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12116 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12117 constants of SHmedia. Handle nested constant expressions of
12119 (andcosts): Fix the costs for SHmedia constants.
12120 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12121 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12122 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12123 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12124 (movv4hi_i, movv2si_i): Likewise.
12125 (movsi_const): Adjust the second operand of ior so to match with
12126 the Csu constraint.
12127 (movdi_const, movdi_const_32bit): Likewise.
12128 (movdi_const_16bit+1): Don't sign-extend LOW.
12129 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12131 (*double_shori): Fix the split condition. Use GEN_INT instead
12132 of get_int_mode calls. Mask lower 16-bit of the argument of
12134 (sym2GOTPLT): Remove.
12135 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12137 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12138 instead of EXTRA_CONSTRAINT_C16.
12140 2006-01-07 Ian Lance Taylor <ian@airs.com>
12141 David Edelsohn <edelsohn@gnu.org>
12143 PR rtl-optimization/25662
12144 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12145 for constant operands instead of simplify_gen_binary.
12146 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12147 after trying simplify_binary_operation
12149 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12151 * tree.c (iterative_hash_expr): Hash decls based on UID.
12153 2006-01-06 Eric Christopher <echristo@apple.com>
12155 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12156 (TARGET_UNWIND_EMIT): Fix spelling.
12157 * target.h (gcc_target): Add except_table_label.
12158 * except.c (output_function_exception_table): Use.
12159 * varasm.c (default_emit_except_table_label): New.
12160 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12162 (asm_out): Add here.
12163 * output.h (default_emit_except_table_label): Prototype.
12164 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12165 * config/darwin.c (darwin_emit_except_table_label): Define.
12166 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12168 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12170 PR tree-optimization/18527
12171 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12172 number_of_iterations_special, number_of_iterations_exit):
12173 Move base and step of an iv to a single structure. Add
12174 no_overflow flag, and use it in # of iterations analysis.
12175 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12176 folded_casts argument.
12177 (simple_iv): Pass base and step in a structure. Set no_overflow
12179 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12180 Evaluate expensiveness of computing # of iterations instead of
12181 the final expression.
12182 * tree-scalar-evolution.h (affine_iv): New structure.
12183 (simple_iv): Declaration changed.
12184 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12185 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12186 find_givs_in_stmt): Changed due to simple_iv change.
12188 2006-01-06 Jeff Law <law@redhat.com>
12191 * tree-cfg.c (bsi_replace): Rename final argument from
12192 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12193 change (stmt -> orig_stmt).
12194 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12195 (bsi_remove): Add new argument. Remove EH information
12197 (verify_eh_throw_table_statements): New function.
12198 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12200 * tree-optimize.c (execute_free_cfg_annotations): Verify
12201 the EH throw statement table after removing annotations.
12202 * except.h (verify_eh_throw_table_statements): Prototype.
12203 * tree-flow.h (bsi_remove): Update prototype.
12204 * tree-vrp.c (remove_range_assertions): Add new argument to
12206 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12207 * tree-complex.c (expand_complex_div_wide): Likewise.
12208 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12209 * tree-tailcall.c (eliminate_tailcall): Likewise.
12210 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12211 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12212 * tree-nrv.c (tree_nrv): Likewise.
12213 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12214 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12215 (combine_blocks): Likewise.
12216 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12217 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12218 (cleanup_control_flow): Likewise.
12219 (remove_forwarder_block): Likewise.
12220 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12221 * tree-sra.c (sra_replace): Likewise.
12222 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12223 (forward_propagate_single_use_vars): Likewise.
12224 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12225 * tree-inline.c (expand_call_inline): Likewise.
12226 * tree-vect-transform.c (vect_transform_loop): Likewise.
12227 * tree-outof-ssa.c (rewrite_trees): Likewise.
12228 * tree-cfg.c (make_goto_expr_edges): Likewise.
12229 (cleanup_dead_labels): Likewise.
12230 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12231 (bsi_move_before, bsi_move_after): Likewise.
12232 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12233 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12235 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12238 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12240 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12241 on non gimple variables. Also add checks at the top for decls and
12243 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12245 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12246 and IMAGPART_EXPR for creating MUST_DEFs.
12247 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12248 and NAME_MEMORY_TAG separately from the DECLs.
12250 2006-01-06 Richard Guenther <rguenther@suse.de>
12252 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12253 annotation, if necessary.
12254 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12255 redundant calls to update_stmt.
12256 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12259 2006-01-05 Richard Henderson <rth@redhat.com>
12261 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12263 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12265 * c-typeck.c: Update copyright date.
12267 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12269 * c-typeck.c (build_c_cast): Always warn when casting
12270 from a pointer to an integer of different size, even if
12271 the node was constant.
12273 2006-01-05 Richard Guenther <rguenther@suse.de>
12275 PR tree-optimization/22555
12276 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12277 if one structure field is an array.
12278 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12279 operands even if we found a subvar, but ignore VOPs in this
12281 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12283 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12285 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12287 PR middle-end/24998
12288 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12290 2006-01-05 Richard Guenther <rguenther@suse.de>
12291 Diego Novillo <dnovillo@redhat.com>
12293 * tree-pass.h (TODO_remove_unused_locals): Define.
12294 * gimple-low.c (expand_var_p, remove_useless_vars,
12295 pass_remove_useless_vars): Remove. Update all users.
12296 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12297 (remove_unused_locals): New function.
12298 * tree-flow.h (remove_unused_locals): Declare.
12299 * passes.c (execute_todo): Call remove_unused_locals if
12300 TODO_remove_unused_locals is set.
12301 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12302 * tree-ssa-dce.c (pass_dce): Likewise.
12303 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12305 2006-01-05 Richard Guenther <rguenther@suse.de>
12307 * tree-flow.h (struct fieldoff): Decompose field to
12308 type, size and decl.
12309 * tree-ssa-alias.c (create_sft): Take type as parameter.
12310 (create_overlap_variables_for): Store type, size and decl
12311 in the fieldoff structure.
12312 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12313 of struct fieldoff.
12314 (push_fields_onto_fieldstack): Likewise.
12315 (create_variable_info_for): Likewise. Use offset for the
12316 SFT name if the decl is not available.
12318 2006-01-04 Paul Brook <paul@codesourcery.com>
12320 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12322 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12324 * lambda-code.c (can_put_in_inner_loop): Relax
12326 (can_put_after_inner_loop): New function.
12327 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12328 (perfect_nestify): Change to make copies and modify uses.
12330 2006-01-04 Richard Henderson <rth@redhat.com>
12332 Merge from gomp branch:
12333 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12334 via integer constant.
12335 (pragma_lex): Remove.
12336 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12337 rather than parsing it.
12338 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12339 handle_pragma_extern_prefix): Add %< %> quotes.
12340 (registered_pragmas): New.
12341 (c_register_pragma_1): New.
12342 (c_register_pragma): Use it.
12343 (c_register_pragma_with_expansion): Likewise.
12344 (c_invoke_pragma_handler): New.
12345 (init_pragma): Use cpp_register_deferred_pragma directly for
12347 * c-pragma.h (enum pragma_kind): New.
12348 (pragma_handler): New.
12349 (c_invoke_pragma_handler): Declare.
12350 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12352 * c-common.h (c_common_pch_pragma): Update decl.
12353 * Makefile.in (c-parser.o): Update dependencies.
12354 (GTFILES): Add c-pragma.h.
12355 * c-parser.c (struct c_token): Add pragma_kind.
12356 (struct c_parser): Add in_pragma.
12357 (c_lex_one_token): Always initialize keyword and pragma_kind.
12358 Extract data for CPP_PRAGMA.
12359 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12360 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12361 Don't allow CPP_PRAGMA_EOL if in_pragma.
12362 (c_parser_consume_pragma): New.
12363 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12364 (c_parser_skip_to_end_of_parameter): Likewise.
12365 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12366 (c_parser_skip_to_pragma_eol): New.
12367 (c_parser_external_declaration): Handle CPP_PRAGMA.
12368 (c_parser_compound_statement_nostart): Likewise.
12369 (c_parser_statement_after_labels): Likewise.
12370 (c_parser_pragma): New.
12371 (pragma_lex): Likewise.
12372 (c_parser_pragma_pch_preprocess): New.
12373 (c_parser_new): Merge into ...
12374 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12376 2006-01-04 Jeff Law <law@redhat.com>
12379 * tree-cfg.c (bsi_replace): Remove the original statement
12380 from the EH throw statement table.
12382 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12384 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12385 make the prototype extern "C" and add throw ().
12388 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12389 and pos non-negative and pos + len <= 32.
12390 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12391 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12392 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12395 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12396 as well as sizes not multiple of component size.
12399 * function.c (instantiate_expr): New function.
12400 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12401 walk its DECL_VALUE_EXPR with instantiate_expr.
12403 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12404 DW_OP_deref{,_size} if address isn't going to be added.
12406 2006-01-04 Ben Elliston <bje@au.ibm.com>
12408 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12409 * config/fp-bit.c: Likewise.
12411 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12413 * dominance.c: Add comment about why we use DFS numbering
12416 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12417 Richard Henderson <rth@redhat.com>
12419 Merge from gomp-branch:
12420 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12421 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12423 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12425 PR rtl-optimization/25578
12426 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12427 pass a parameter to simplify_shift_const if changing ASHIFTRT
12430 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12432 * builtins.c (get_builtin_sync_mem): New function.
12433 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12434 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12435 Call get_builtin_sync_mem to generate mem rtx.
12437 2006-01-03 Richard Guenther <rguenther@suse.de>
12440 * stmt.c (add_case_node): Make sure to clear overflow flags
12443 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12445 Merge from gomp-branch.
12446 * config/sparc/sync.md: New file.
12447 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12448 UNSPECV_LDSTUB): New constants.
12449 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12450 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12451 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12454 2006-01-03 Roger Sayle <roger@eyesopen.com>
12456 * combine.c (reg_subword_p): New predicate to test whether the
12457 destination of a set refers to a subword/piece of a register.
12458 (try_combine): Generalize the code to merge the setting of a
12459 pseudo to a constant followed by a set of a subword of that
12460 register to a constant.
12462 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12464 * basic-block.h (control_flow_graph): Change the type of
12465 x_label_to_block_map to VEC(basic_block,gc) *.
12466 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12467 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12469 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12470 VEC(basic_block,heap) *.
12471 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12472 ssa_prop_fini): Adjust the uses of cfg_blocks.
12474 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12476 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12478 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12479 hashing trees instead of a pointer hash.
12480 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12481 compare for MEM_EXPR.
12483 PR rtl-optimization/25130
12484 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12485 when comparing MEMs for GCSE
12487 2006-01-03 Ben Elliston <bje@au.ibm.com>
12489 * targhooks.h (default_decimal_float_supported_p): Declare.
12490 * targhooks.c (default_decimal_float_supported_p): Define.
12491 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12492 `default_decimal_float_supported_p'.
12493 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12495 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12497 * combine.c (apply_distributive_law <SUBREG>): Check
12498 TRULY_NOOP_TRUNCATION.
12500 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12502 * dwarf2out.c (have_switched_text_section): Delete.
12503 (have_multiple_function_sections): New.
12504 (have_location_lists): Make 'bool'.
12505 (add_AT_loc_list): Use 'true' not '1'.
12506 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12507 (output_loc_list): Use have_multiple_function_sections.
12508 (output_ranges): Likewise.
12509 (dwarf2out_begin_function): Set have_multiple_function_sections if
12511 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12512 Check function_section rather than DECL_SECTION_NAME.
12513 (dwarf2out_finish): Use have_multiple_function_sections.
12514 Don't clear have_location_lists.
12516 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12517 Jan Hubicka <jh@suse.cz>
12519 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12520 case of conditional jump jumping to the next instruction.
12521 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12522 cases of conditional jump jumping to the next instruction.
12524 2006-01-02 Jan Hubicka <jh@suse.cz>
12526 * i386.c (*_cost): Add COSTS_N_INSNS.
12527 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12529 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12532 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12534 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12536 * config/arm/arm.c (all_fpus): Fix comment typo.
12537 * config/darwin.c: Likewise.
12538 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12539 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12540 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12542 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12544 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12545 (rs6000_split_compare_and_swapqhi): New.
12546 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12547 (sync_compare_and_swapqhi_internal): New.
12548 * config/rs6000/rs6000-protos.h: Declare.