1 2006-06-19 Roger Sayle <roger@eyesopen.com>
4 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5 have stripped a SUBREG from the shift count, so we may need to
6 convert_to_mode back to the type's mode before calling make_tree.
7 Use new_amount instead of amount to avoid expanding a tree twice.
9 2006-06-19 Richard Guenther <rguenther@suse.de>
12 * fold-const.c (operand_equal_p): Check if the argument types
13 have the same precision before stripping NOPs.
15 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
17 Fix PR tree-optimization/27341
18 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
20 * tree-complex.c (pass_lower_complex): Update SMT usage.
22 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
24 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
25 Add a new alternative to the constraint strings. Add move of
26 operand 1 to 3 to the splitter definition.
27 ("doloop_si_long"): Second contraint alternative removed.
29 2006-06-08 Anatoly Sokolov <aesok@post.ru>
31 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
32 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
34 (AVR_HAVE_MOVW) Define.
35 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
36 (ASM_SPEC): Add avr25.
37 (LINK_SPEC): Add avr25.
38 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
39 (base_arch_s): Add new member 'have_movw_lpmx'.
40 (avr_arch_types): Init 'have_movw_lpmx'.
41 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
42 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
43 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
44 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
45 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
47 (avr_file_start): Do not output '.arh' derective.
48 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
49 (__do_copy_data): Use __AVR_HAVE_LPMX__.
50 * config/avr/avr.md (mcu_enhanced): Delete.
51 (mcu_have_movw): Define.
52 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
53 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
54 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
55 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
56 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
57 attiny861 and at86rf401 devices.
59 2006-06-18 Jie Zhang <jie.zhang@analog.com>
61 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
64 2006-06-17 Karl Berry <karl@gnu.org>
66 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
67 doc/gccint.texi, doc/install.texi (@dircategory): Use
68 "Software development" instead of "Programming", following
69 the Free Software Directory.
71 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
73 * config/i386/i386.c (legitimate_tls_address)
74 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
75 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
76 (*tls_dynamic_gnu2_combine_64): Likewise.
78 2006-06-16 Richard Guenther <rguenther@suse.de>
81 * fold-const.c (negate_expr_p): Do not introduce undefined
82 overflow in negating INTEGER_CSTs.
83 (fold_negate_expr): Rename from negate_expr. Revert last
84 change for folding BIT_NOT_EXPR. Change semantics to
85 return NULL_TREE for non-simplified negations. Do not
86 strip type conversions and unify type handling.
87 (negate_expr): New function, wrap around fold_negate_expr
88 but ensure building a tree always. Strip type conversions
89 here, fold to result type.
90 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
92 2006-06-16 Roger Sayle <roger@eyesopen.com>
95 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
96 that (would) return their results in stack registers.
98 2006-06-16 Michael Matz <matz@suse.de>
99 Richard Guenther <rguenther@suse.de>
101 * fold-const.c (fold_truthop): Only return new tree node if
102 we canonicalized something.
104 2006-06-16 Richard Guenther <rguenther@suse.de>
106 * function.h (enum function_frequency): Move declaration
107 out of struct function.
108 (struct function): Move bool fields and the enum to the bitfield
109 section. Reorder elements to avoid padding. Remove unused
110 fields left over from the RTL inliner removal.
111 * function.c (free_after_compilation): Do not zero removed fields.
112 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
113 (ipa-type-escape.o): Likewise.
115 2006-06-16 Richard Guenther <rguenther@suse.de>
117 * cgraph.h (struct cgraph_local_info): Turn bool elements
119 (struct cgraph_node): Likewise.
120 (struct cgraph_varpool_node): Likewise.
122 2006-06-15 Richard Guenther <rguenther@suse.de>
124 * fold-const.c (fold_truth_not_expr): Rename from
125 invert_truthvalue. Give it fold_* semantics to avoid
127 (invert_truthvalue): New function. Wrapper around
129 (optimize_minmax_comparison): Avoid creating garbage.
130 (fold_unary): Use fold_truth_not_expr for folding
132 (fold_ternary): Replace uses of invert_truthvalue with
133 fold_truth_not_expr where applicable.
134 * tree.h (fold_truth_not_expr): Prototype.
136 2006-06-16 Richard Guenther <rguenther@suse.de>
138 PR tree-optimization/27781
139 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
140 * ipa-pure-const.c (target.h): Include.
141 (analyze_function): Do not analyze functions that do not
144 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
147 * tree-dfa.c (referenced_vars_dup_list): Remove.
148 (find_referenced_vars): Remove assert.
149 (referenced_var_check_and_insert): Replace dup list with assert.
150 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
151 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
153 2006-06-15 Richard Guenther <rguenther@suse.de>
155 * tree-ssa-structalias.c (alias_get_name): Avoid creating
156 extra unused identifiers if not dumping.
157 (create_variable_info_for): Likewise.
159 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
161 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
162 (derive_constant_upper_bound): Derive more precise upper bound in
163 common cases. Return type changed to double_int.
164 (record_estimate): Reflect the changed return type of
165 derive_constant_upper_bound.
166 * double-int.c (double_int_zext, double_int_sext): Fix.
168 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
170 * configure.ac (CFLAGS): Get them from the toplevel or from the
171 configure invocation.
172 * configure: Regenerate.
173 * Makefile.in (CFLAGS): Substitute value provided by configure.
175 2006-06-14 Mark Mitchell <mark@codesourcery.com>
178 * c-common.h (c_finish_omp_atomic): Adjust declaration.
179 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
180 rather than calling add_stmt on it.
181 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
183 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
186 * reload1.c (reload): Remove registers returned by update_eliminables
187 from used_spill_regs.
189 2006-06-13 DJ Delorie <dj@redhat.com>
191 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
193 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
195 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
196 html__strip_dir, html__mkdir_p. Enhance install-html target.
197 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
198 * configure: Regenerate.
200 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
202 * fold-const.c (fold_cond_expr_with_comparison): Check for
203 Objective-C++ as language in deciding COND_EXPR transformation.
205 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
208 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
209 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
210 * config/sh/lib1funcs.h (SL, SL1): Define.
211 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
212 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
213 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
214 (OBJS_Os_4_200): New variable.
215 ($(T)libgcc-Os-4-200.a): Use it.
216 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
217 when dividing 1 and/or by 0.
219 2006-06-13 Roger Sayle <roger@eyesopen.com>
221 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
222 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
223 * configure: Regenerate.
225 2006-06-13 Jie Zhang <jie.zhang@analog.com>
227 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
228 for real instruction.
230 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
233 * haifa-sched.c (check_cfg): Handle special case.
235 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
238 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
239 Add debug_info parameter. Chain the vars to the BLOCK instead
240 of the BIND_EXPR if debug info are requested for them.
241 (pop_gimplify_context): Adjust for above change.
242 (gimple_add_tmp_var): Likewise.
243 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
245 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
246 (convert_local_reference): Likewise.
247 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
248 (finalize_nesting_tree_1): Request that debug info be emitted
251 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
253 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
256 2006-06-13 Richard Guenther <rguenther@suse.de>
259 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
261 2006-06-13 Richard Guenther <rguenther@suse.de>
263 PR tree-optimization/27830
264 * tree-inline.c (copy_body_r): For copying the operand
265 of an ADDR_EXPR make sure to fold &* afterwards.
267 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
269 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
270 lvalues in the fb_none case with side-effects.
272 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
274 * tree-flow.h: Remove the prototype for
275 compute_phi_arg_on_exit.
276 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
277 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
280 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
282 * builtins.c (expand_builtin_return_addr): Only use
283 frame_pointer_rtx when count == 0 and we are expanding
284 __builtin_return_address.
286 2006-06-12 Fred Fish <fnf@specifix.com>
288 * config/mips/mips.c (mips_file_start): Create special section
289 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
291 2006-06-11 Eric Christopher <echristo@apple.com>
294 * stor-layout.c (place_field): Remove check for
295 remaining_in_alignment when aligning at the end of a run.
297 2006-06-11 Eric Christopher <echristo@apple.com>
300 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
303 2006-06-11 Roger Sayle <roger@eyesopen.com>
306 Revert incorrect fix for PR target/27158
307 2006-05-08 Roger Sayle <roger@eyesopen.com>
308 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
309 of a reg_equiv_constant if the result is a legitimate constant.
311 2006-06-11 Roger Sayle <roger@eyesopen.com>
314 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
315 extract a CONST_VECTOR element and interpret it as an integer.
316 (vspltis_constant): Use const_vector_elt_as_int instead of the
317 macro CONST_VECTOR_ELT in order to handle FP vector modes.
318 * config/rs6000/predicates.md (easy_vector_const): Consider
319 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
321 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
324 * stor-layout.c (update_alignment_for_field): Don't add extra
325 alignment for packed non-bitfield fields in ms_bitfield_layout_p
328 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
330 * config/mips/t-rtems: Add EL/EB multilib variants.
332 2006-06-09 Mike Stump <mrs@apple.com>
334 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
336 2006-06-09 David Daney <ddaney@avtrex.com>
338 * doc/install.texi: Add binutils version recommendation for mips-*-*.
340 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
342 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
344 2006-06-09 Richard Guenther <rguenther@suse.de>
346 PR tree-optimization/26998
347 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
348 of signed types, only TYPE_MIN_VALUE is special, but for both,
349 minimum and maximum value. Likewise VR_ANTI_RANGE is special
350 in this case, as is -fwrapv.
352 2006-06-08 Mike Stump <mrs@apple.com>
355 * config/darwin.c (darwin_asm_output_anchor): Disable
356 -fsection-anchors on darwin for now.
357 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
358 * rs6000/rs6000.c (optimization_options): Likewise.
360 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
363 * config/i386/i386.c (classify_argument): Skip fields with invalid
366 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
368 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
369 (cse_insn): Likewise for the stack_pointer_rtx.
371 2006-06-08 Roger Sayle <roger@eyesopen.com>
373 * tree-ssa-dom.c (record_conditions): Only record "unordered"
374 conditions from floating point comparisons.
376 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
379 * expmed.c (struct alg_hash_entry): Fix type of field T
380 to match synth_mult argument.
381 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
383 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
386 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
389 2006-06-08 Richard Guenther <rguenther@suse.de>
392 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
393 only, if overflow is defined and not trapping.
394 (negate_expr): Likewise.
396 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
398 PR tree-optimization/27872
399 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
400 flag on the new exit edge of the unrolled loop.
402 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
404 PR rtl-optimization/26449
405 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
407 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
410 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
411 referenced_variables with matching DECL_UID's.
412 (find_referenced_vars): Make sure duplicate list is empty to start.
413 (referenced_var_p): Remove.
414 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
415 Check if var is in the list, and add if needed. Update the duplicate
416 list if a different var is in the list with the same DECL_UID.
417 (add_referenced_var): Call routine to check and insert.
418 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
419 * tree-flow.h (referenced_vars_dup_list): External declaration.
421 2006-06-07 Fred Fish <fnf@specifix.com>
423 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
426 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
429 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
430 the imaginary and real parts of a clobbered register.
431 Emit insn to set the imaginary part.
433 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
435 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
436 in lieu of unwind-dw2-fde.c.
438 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
440 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
442 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
445 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
446 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
447 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
448 V4SImode temporaries and operations instead.
450 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
452 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
455 2006-06-06 Mike Stump <mrs@apple.com>
457 * Makefile.in: Rename to htmldir to build_htmldir to avoid
458 installing during build.
460 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
462 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
464 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
465 * config/ia64/ia64.c (params.h): New header.
466 (ia64_optimization_options): New function to adjust parameters.
467 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
468 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
469 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
471 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
473 * stor-layout.c (debug_rli): Fix a typo in a debug message.
475 2006-06-05 Steve Ellcey <sje@cup.hp.com>
478 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
480 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
481 Victor Kaplansky <victork@il.ibm.com>
483 PR tree-optimization/26360
484 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
487 2006-06-04 Roger Sayle <roger@eyesopen.com>
488 Andrew Pinski <pinskia@physics.uc.edu>
491 * c-common.c (c_common_truthvalue_conversion): Explicitly check
492 for LABEL_DECL before calling DECL_WEAK.
495 * c-typeck.c (build_binary_op): Likewise, explicitly check for
496 LABEL_DECL and PARM_DECL.
498 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
502 * c-decl.c (grokdeclarator): Disallow variably modified types at
503 file scope. Avoid marking shared array type of constant size as
506 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
509 * c-common.c (fold_offsetof_1): Handle static members.
511 2006-06-04 Eric Christopher <echristo@apple.com>
513 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
514 (debug_rli): Output value for remaining_in_alignment.
515 (update_alignment_for_field): Unconditionalize
516 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
517 extra alignment code.
518 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
519 ms_bitfield_layout_p code. Rewrite handling of structure fields.
520 * tree.h (record_layout_info_s): Remove prev_packed.
521 * doc/extend.texi (ms_struct): Add documentation of format.
523 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
525 * tree.h: Declare folding_initializer.
526 * builtins.c (fold_builtin_constant_p): Give definite answer
527 if folding inside an initializer.
528 * fold-const.c: Define folding_initializer.
529 (START_FOLD_INIT): Save and then set folding_initializer.
530 (END_FOLD_INIT): Restore folding_initializer.
532 2006-06-04 Richard Guenther <rguenther@suse.de>
534 PR tree-optimization/27039
535 * fold-const.c (fold_comparison): Handle pointer comparison
536 again for all comparison codes. Compare offsets in signed
538 (fold_binary): Move code from here.
540 2006-06-03 Roger Sayle <roger@eyesopen.com>
543 * config/i386/i386.c (construct_container): Split static issued_error
544 flag into issued_sse_arg_error, issued_sse_ret_error and
545 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
546 requires the use of x87 registers and the user explicitly
547 specified the -mno-80387 command line option.
549 2006-06-02 Geoffrey Keating <geoffk@apple.com>
551 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
552 HAVE_DECL_SIGALTSTACK.
554 (segv_handler): Use MC_FLD.
555 * configure.ac: Check for a sigaltstack declaration.
556 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
557 * configure: Regenerate.
558 * config.in: Regenerate.
560 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
563 * Makefile.in (stmp-fixinc): Fix typo.
565 2006-06-02 Roger Sayle <roger@eyesopen.com>
567 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
568 are type correct. Clean-up.
569 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
570 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
572 2006-06-01 DJ Delorie <dj@redhat.com>
574 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
575 shift, as we've disabled the "switch" insn that needs it.
577 2006-06-01 Per Bothner <bothner@bothner.com>
579 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
580 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
581 * c-ppoutput.c (cb_define): Don't increment line 0.
583 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
585 * doc/invoke.texi: Add cpu_type power6.
586 * config.gcc: Add cpu_type power6.
587 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
588 to power5+ with Altivec.
589 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
590 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
592 2006-05-30 Anatoly Sokolov <aesok@post.ru>
594 * config/avr/avr.h (SET_ASM_OP): Define.
596 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
598 * config/bfin/bfin.c: Fix comment typos.
600 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
603 * doc/install.texi: Document --enable-bootstrap and
606 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
608 * doc/install.texi: Document that InfoZIP can replace jar.
610 2006-05-31 Roger Sayle <roger@eyesopen.com>
612 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
613 isn't available, directly generate the simpler x87 patterns without
614 the (use (const_int 0)).
615 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
616 implementation isn't available.
617 (*negdf2_1): Likewise.
618 (*negxf2_1): XF mode negation is always done using the x87.
619 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
621 2006-05-31 Roger Sayle <roger@eyesopen.com>
623 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
624 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
626 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
628 2006-05-31 Jie Zhang <jie.zhang@analog.com>
630 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
631 * config/bfin/bfin.c (basic-block.h): Include.
632 (struct machine_function): New.
633 (bfin_init_machine_status): New.
634 (override_options): Initialize init_machine_status.
635 (bfin_hardware_loop): New.
636 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
637 (DEF_VEC_P (loop_info)): New.
638 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
639 (struct loop_info): New.
640 (loop_info): New typedef.
641 (struct loop_work): New.
642 (loop_work): New typedef.
643 (DEF_VEC_O (loop_work)): New.
644 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
645 (bfin_dump_loops): New.
646 (bfin_bb_in_loop): New.
647 (bfin_scan_loop): New.
648 (bfin_optimize_loop): New.
649 (bfin_reorg_loops): New.
650 (bfin_reorg): Use bfin_reorg_loops.
651 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
653 (I_REGNO_P): Simplify.
654 (DP_REGNO_P, DPREG_P): New macros.
655 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
656 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
657 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
658 Add LT_REGS, LC_REGS, LB_REGS.
659 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
661 (REGNO_REG_CLASS): Deal with loop registers.
662 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
664 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
665 New constants for loop registers.
666 (UNSPEC_LSETUP_END): New.
667 (seq_insns): New define_attr. Set it for appropriate insns.
668 (movsi_insn): Add alternatives for move from/to
669 loop count registers.
670 (doloop_end): New define_expand.
671 (loop_end): New define_insn.
672 (define_split for bad doloop_end): New.
673 (lsetup_with_autoinit): New define_insn.
674 (lsetup_without_autoinit): New define_insn.
675 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
676 * config/bfin/predicates.md (lc_register_operand): New.
677 (lt_register_operand): New.
678 (lb_register_operand): New.
679 (nondp_register_operand): New.
680 (nondp_reg_or_memory_operand): New.
681 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
683 2006-05-31 Jie Zhang <jie.zhang@analog.com>
685 * config/bfin/bfin.c (bfin_delegitimize_address): New.
686 (TARGET_DELEGITIMIZE_ADDRESS): Define.
688 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
690 * Makefile.in (CATALOGS): Add po/ prefix.
691 * configure: Regenerated.
693 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
696 * arm.c (arm_print_operand case 'S'): Validate that the operand is
697 a shift operand before calling shift_op. Avoid redundant call of
700 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
701 DJ Delorie <dj@redhat.com>
703 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
704 we're inserting is a singlt-bit constant.
706 2006-05-30 Roger Sayle <roger@eyesopen.com>
708 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
709 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
711 2006-05-30 Roger Sayle <roger@eyesopen.com>
713 PR tree-optimization/23452
714 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
715 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
716 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
717 complex values and with -ffast-math for FP complex values.
719 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
721 * c-common.h: Remove the prototype for yyparse.
722 * rtl.h: Remove the prototype for init_loop.
724 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
726 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
729 2006-05-30 Roger Sayle <roger@eyesopen.com>
731 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
733 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
734 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
736 2006-05-30 Dirk Mueller <dmueller@suse.de>
739 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
740 for CONSTANT_CLASS_P expresisons.
742 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
745 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
747 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
749 PR tree-optimization/27779
750 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
751 initial_condition instead of CHREC_LEFT.
753 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
755 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
756 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
757 Make prototypes ISO C90.
759 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
760 Leehod Baruch <leehod.baruch@weizmann.ac.il>
762 * see.c (see_analyze_one_def): Correct check.
763 (see_get_extension_data): Check if extension is parallel.
764 (see_get_extension_reg): Likewise.
766 2006-05-30 Uros Bizjak <uros@kss-loka.si>
769 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
770 into register for (code == GTU).
772 2006-05-29 Roger Sayle <roger@eyesopen.com>
774 PR tree-optimization/24964
775 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
776 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
777 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
778 abs(x)*abs(x) as x*x for scalar floating point modes.
780 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
783 * lambda-code.c (perfect_nestify): Don't copy statements
784 in the inner loop: move them to the inner loop header.
786 2006-05-29 Diego Novillo <dnovillo@redhat.com>
789 * c-tree.texi: Document OpenMP directives and clauses.
791 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
793 * varasm.c (globalize_decl): Fix indentation.
795 2006-05-29 Diego Novillo <dnovillo@redhat.com>
798 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
799 pass_fre, pass_store_ccp, pass_copy_prop,
800 pass_store_copy_prop, pass_merge_phi, pass_nrv,
801 pass_return_slot, pass_object_size, pass_lim,
802 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
803 pass_loop_prefetch and pass_stdarg.
805 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
807 * config/bfin/bfin.opt (mfdpic): New option.
808 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
809 (EXTRA_MULTILIB_PARTS): Likewise.
810 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
811 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
813 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
814 (CRT_CALL_STATIC_FUNCTION): New.
815 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
817 (CRT_CALL_STATIC_FUNCTION): New.
818 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
820 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
821 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
822 (initialize_trampoline): Changed to handle FD-PIC code generation.
823 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
824 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
825 (override_options): Disallow -mid-shared-library -mfdpic combination.
826 Can't do unaligned ops if FD-PIC.
827 Turn off flag_pic if trying to generate non-id-shared-library
828 non-fdpic code, since it's not supported.
829 (bfin_assemble_integer): New function.
830 (TARGET_ASM_INTEGER): Define.
831 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
833 * config/bfin/crtn.s: Restore them.
834 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
836 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
837 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
838 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
839 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
840 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
842 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
843 FDPIC_REGS and FDPIC_FPTR_REGS.
844 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
845 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
846 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
847 (load_funcdescsi): New pattern.
848 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
849 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
850 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
852 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
854 * gcse.c, rtlanal.c: Remove obsolete comments associated with
857 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
859 * tree-flow.h: Remove the prototype for add_type_alias.
860 * tree-ssa-alias.c (add_type_alias): Remove.
862 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
864 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
865 config/fr30/fr30.md, config/i386/i386-interix.h,
866 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
867 config/sh/superh64.h, config/v850/v850.c, df-core.c,
868 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
869 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
870 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
871 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
872 Follow spelling conventions.
873 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
874 Follow spelling conventions.
876 2006-05-27 Richard Guenther <rguenther@suse.de>
879 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
880 to produce a constant of value 1 of generic type.
882 2006-05-27 Dirk Mueller <dmueller@suse.de>
884 * cgraphunit.c (decide_is_function_needed): Fix wrong
887 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
889 PR rtl-optimization/27661
890 * reload.c (find_reloads): When reloading a VOIDmode constant
891 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
892 use Pmode as mode of the reload register.
894 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
896 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
897 is enabled at -O and above.
899 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
902 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
905 2006-05-25 Mark Mitchell <mark@codesourcery.com>
908 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
909 for anonymous variables explicitly declared by front ends.
911 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
913 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
914 (struct alias_info): Add new field ref_all_symbol_mem_tag.
915 * tree-ssa-alias.c (compute_may_aliases): If the program contains
916 ref-all pointers, run a finalization pass for them.
917 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
918 (finalize_ref_all_pointers): New function.
919 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
920 regular pointer type to a ref-all pointer type.
921 (get_tmt_for): Return the special memory tag for ref-all pointers.
923 2006-05-25 Richard Guenther <rguenther@suse.de>
926 * fold-const.c (fold_binary): Do not look at the stripped
927 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
929 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
931 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
932 for LT and GT if the computed range is effectively empty.
934 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
937 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
938 mips_quad_format formats instead of ieee_single_format,
939 ieee_double_format and ieee_quad_format formats, respectively.
941 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
943 PR tree-optimization/27639
944 PR tree-optimization/26719
945 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
946 call to scev_probably_wraps_p.
947 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
948 used_in_pointer_arithmetic_p, convert_step): Removed.
949 (nowrap_type_p): New function.
950 (scev_probably_wraps_p): Rewritten.
951 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
952 chrec_convert if chrec_convert_aggressive might have been used.
953 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
954 scev_direction): New functions.
955 (chrec_convert): Changed to a wrapper over chrec_convert_1.
956 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
957 instead of convert_step.
958 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
959 (convert_step): Declaration removed.
960 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
962 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
964 * df-core.c: Added to header comments.
965 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
966 df_ur_bb_info, df_urec_bb_info): Added comments.
967 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
968 urec, ri problems): Fixed header comments.
969 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
970 code from df_rd_transfer_function.
972 2006-05-23 Richard Sandiford <richard@codesourcery.com>
974 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
975 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
976 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
978 2006-05-23 Joseph Myers <joseph@codesourcery.com>
980 * expr.c (undefined_operand_subword_p): New.
981 (emit_move_multi_word): Do not generate move from undefined bits
982 of a paradoxical subreg.
984 2006-05-23 Richard Sandiford <richard@codesourcery.com>
986 PR rtl-optimization/27736
987 * combine.c (replaced_rhs_value): New variable.
988 (combine_instructions): Set it.
989 (distribute_notes): When distributing a note in replaced_rhs_insn,
990 check whether the value was used in replaced_rhs_value.
992 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
995 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
996 add_referenced_var instead of add_referenced_tmp_var.
997 * tree-complex.c (create_one_component_var): Use add_referenced_var.
998 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1000 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1001 tree_optimize_tail_calls_1): Use add_referenced_var.
1002 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1003 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1004 Use add_referenced_var.
1005 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1006 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1007 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1008 Use add_referenced_var.
1009 * tree-dfa.c (struct walk_state): Remove.
1010 (find_referenced_vars): Remove walk state and vars_found hash table.
1011 (make_rename_temp): Use add_referenced_var.
1012 (find_vars_r): Pass less parameters to add_referenced_var.
1013 (referenced_var_p): New. Is var in referenced_var hash table.
1014 (referenced_var_insert): Assert var isn't already in hash table.
1015 (add_referenced_var): Don't need walk_state parameter. Add var if it
1016 isn't already in the hash table.
1017 (add_referenced_tmp_var): Remove.
1018 (find_new_referenced_vars_1): Use add_referenced_var.
1019 * tree-ssa-pre.c (create_expression_by_pieces,
1020 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1021 Use add_referenced_var.
1022 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1023 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1024 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1026 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1027 vect_create_data_ref_ptr, vect_create_destination_var,
1028 vect_init_vector, vect_build_loop_niters,
1029 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1030 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1031 Use add_referenced_var.
1032 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1033 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1034 (add_referenced_var): Add prototype.
1035 * tree-ssa-structalias.c (get_constraint_for,
1036 intra_create_variable_infos): Use add_referenced_var.
1038 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1040 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1041 big-endian paradoxical subregs.
1042 * var-tracking.c (struct micro_operation_def): Document that,
1043 for modify micro operations, insn is the subsequent instruction.
1044 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1045 (var_reg_set, var_mem_set): ... new functions.
1046 (add_stores): Record subsequent insn.
1047 (compute_bb_dataflow): Use new functions for MO_USE.
1048 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1049 notes after the insn, and modify notes before the insn known
1050 to be the subsequent one.
1051 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1053 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1056 * config/i386/i386.c (ix86_expand_builtin): Use
1057 gen_sse3_monitor64 for TARGET_64BIT.
1059 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1061 PR rtl-optimization/26375
1062 PR rtl-optimization/26855
1063 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1065 (df_ru_bb_local_compute): Reversed statements and removed bogus
1066 comment explaining why they should be in wrong order.
1067 (df_ru_dump, df_rd_dump): Enhanced debug info.
1068 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1070 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1071 reaching uses and fixed space problem.
1073 2006-05-23 Jan Hubicka <jh@suse.cz>
1075 * cgraphunit.c (decide_is_function_needed): Also nested functions
1076 and functions declared inline can be optimized out at -O0.
1078 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1080 * doc/install.texi (Configuration): Remove reference to CrossGCC
1081 FAQ which was hijacked.
1084 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1087 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1088 ix86_compare_emitted is non-NULL.
1090 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1093 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1096 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1098 PR rtl-optimization/25514
1099 * combine.c (replaced_rhs_insn): New variable.
1100 (combine_instructions): Set replaced_rhs_insn when trying to replace
1101 a SET_SRC with a REG_EQUAL note.
1102 (distribute_notes): Use replaced_rhs_insn when determining the live
1103 range of a REG_DEAD register.
1105 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1106 Anatoly Sokolov <aesok@post.ru>
1108 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1109 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1110 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1111 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1112 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1113 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1114 at90usb647, at90usb1286 and at90usb1287 devices.
1115 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1116 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1118 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1120 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1122 2006-05-22 Richard Guenther <rguenther@suse.de>
1125 2006-01-31 Richard Guenther <rguenther@suse.de>
1126 Paolo Bonzini <bonzini@gnu.org>
1128 * doc/install.texi (--disable-libgcc-math): Document.
1130 2006-05-22 Richard Guenther <rguenther@suse.de>
1133 2006-01-31 Richard Guenther <rguenther@suse.de>
1135 * doc/invoke.texi (-msselibm): Document.
1136 * target.h (expand_library_builtin): New target hook.
1137 * builtins.c (expand_builtin): Use expand_library_builtin.
1138 (default_expand_library_builtin): New function.
1139 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1140 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1141 (link_gcc_math_spec): Declare.
1142 (static_specs): Add link_gcc_math_spec.
1143 * expr.h (default_expand_library_builtin): Declare.
1144 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1145 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1146 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1147 * config/i386/i386.opt (msselibm): New target option.
1148 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1149 (ix86_init_sse_abi_builtins): New function.
1150 (ix86_expand_library_builtin): Likewise.
1151 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1152 (override_options): Handle error conditions wrt -msselibm.
1153 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1154 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1155 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1158 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1161 * c-common.c (self_promoting_args_p): Skip erroneous args.
1164 * c-decl.c (finish_struct): Skip erroneous fields.
1166 2006-05-22 Nick Clifton <nickc@redhat.com>
1168 * config/cris/cris.opt (march): Remove VarExists attribute.
1169 (max-stackframe=): Likewise.
1171 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1173 * doc/rtl.texi: Fix a typo.
1174 * see.c: Fix comment typos.
1176 * tree-ssa-structalias.h (alias_info): Remove num_references.
1178 2006-05-21 Mike Stump <mrs@apple.com>
1180 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1182 (darwin_pragma_options): Use BAD instead.
1183 (darwin_pragma_unused): Likewise.
1184 (darwin_pragma_ms_struct): Likewise.
1186 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1188 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1190 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1192 PR rtl-optimization/27671
1193 * simplify-rtx.c (simplify_relational_operation_1): Fix
1194 simplifications of (eq/ne (xor x y) y) and
1195 (eq/ne (xor x y) x).
1197 PR tree-optimization/26622.
1198 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1201 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1203 * tree-cfg.c: Prune whitespace.
1204 (debug_tree_cfg): Point to correct header containing the
1207 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1210 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1212 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1215 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1216 or sorry count is non zero.
1218 2006-05-20 Andreas Schwab <schwab@suse.de>
1220 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1222 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1223 Kenneth Zadeck <zadeck@naturalbridge.com>
1225 PR rtl-optimization/26855
1227 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1229 (df_scan_alloc): Added code to properly handle multiword hard
1230 registers and add all_blocks parameter.
1231 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1232 code to properly handle multiword hard registers.
1233 (df_rescan_blocks): Added code to remove deleted blocks from
1235 (df_ref_create_structure, df_ref_record): Added code to properly
1237 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1238 and set DF_REF_PARTIAL.
1239 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1240 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1241 (df_scan_add_problem): Added flags parameter.
1242 (df_ref_create_structure): Changed switching structure.
1243 (df_bb_refs_record): Fixed case where duplicate artificial refs
1244 were created. Changed location of flags.
1245 (df_record_entry_block_defs): Added code to make stack pointer
1246 live in entry block. Refined cases where frame pointer is needed.
1247 Changed location of flags.
1248 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1249 (df_set_state): Removed function.
1250 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1251 df_insn_create_insn_record, df_insn_refs_delete,
1252 df_ref_create_structure): Formatting changes.
1253 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1254 df_delete_basic_block): New function.
1255 (df_init): Changed location of flags.
1256 (df_add_problem): Added flags parameter and the way flags are
1258 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1259 debug_df_chain): Improved debugging output.
1260 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1261 (df_refs_chain_dump): Removed df parameter.
1262 (df_iterative_dataflow): Added consistency check.
1263 (df_prune_to_subcfg): Made public.
1264 (df_analyze_problem): Added blocks_to_init parameter and made
1266 (df_ref_record, df_bb_refs_record, df_mark_reg,
1267 df_record_exit_block_uses): Whitespace changes.
1268 (df_dump): Whitespace changes.
1269 * df.h: Some reordering to remove forward references.
1270 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1271 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1272 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1273 (dataflow.flags): New field.
1274 (df.flag): Deleted field.
1275 (df_alloc_function): Added additional bitmap parameter.
1276 (df_dependent_problem_function): New type.
1277 (df_problem.changeable_flags): New field.
1278 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1279 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1280 (df_mw_hardreg): New struct.
1281 (DF_INSN_UID_MWS): New macro.
1282 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1284 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1285 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1286 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1287 (df_set_state): Removed function.
1288 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1289 * df-problems.c (df_chain_dump): Removed df parameter.
1290 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1291 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1293 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1294 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1295 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1296 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1297 DF_REF_MUST_CLOBBER cases.
1298 (df_ru_bb_local_compute_process_def,
1299 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1300 df_lr_bb_local_compute, df_ur_bb_local_compute,
1301 df_chain_create_bb): Made subreg aware.
1302 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1303 df_lr_bb_local_compute, df_lr_bb_local_compute,
1304 df_chain_create_bb): Cleanup to use proper macros.
1305 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1306 code to fixup bitvectors.
1307 (df_ri_alloc): Cleared lifetime.
1308 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1309 df_create_unused_note): New function.
1310 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1311 REG_DEAD and REG_UNUSED notes as well as register information.
1312 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1313 df_chains_dump): Fixed crash if problem was never run.
1314 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1315 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1316 df_ri_add_problem): Processes flags in uniform manner.
1317 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1318 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1319 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1320 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1321 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1322 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1323 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1324 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1325 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1326 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1327 * see.c (see_initialize_data): Ditto.
1328 * final.c (rest_of_clean_state) Added regstack_completed.
1329 * rtl.h (regstack_completed): Ditto.
1330 * reg-stack.c (regstack_completed): Ditto.
1332 2006-05-19 Mike Stump <mrs@apple.com>
1334 * c-tree.h (default_conversion): Remove.
1335 * c-common.h (default_conversion): Add.
1337 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1339 * tree-vrp.c (valid_value_p): New function.
1340 (adjust_range_with_scev): Fail if the value of bound is not
1343 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1345 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1346 (mips_fallback_frame_state): Use syscall numbers to determine
1347 the appropriate li instruction for the current ABI. Only use
1348 __NR_sigreturn for o32.
1350 2006-05-19 Nicolas Setton <setton@adacore.com>
1352 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1353 * langhooks.c (lhd_dwarf_name): New function.
1354 * langhooks-def.h (lhd_dwarf_name): Declare.
1355 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1356 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1357 * ada/misc.c (gnat_dwarf_name): New function.
1358 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1360 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1362 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1364 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1365 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1366 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1367 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1368 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1369 determine the size of Wtype, etc.
1370 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1371 (swfloatfuncs): New variable.
1372 (dwfloatfuncs): Likewise.
1373 (lib2funcs): Remove floating-point conversion functions from
1374 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1375 the set of conversion routines needed. Allow entries to specify
1376 an object name, filename and word size. Update users accordingly.
1377 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1378 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1382 2006-02-08 Roger Sayle <roger@eyesopen.com>
1385 * config/fixtfdi.c: New libgcc source file.
1386 * config/fixunstfdi.c: New source file.
1387 * config/floatditf.c: New source file.
1388 * config/floatunditf.c: New souce file.
1389 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1390 files above instead of config/mips/_tilib.c.
1391 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1393 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1395 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1396 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1398 2006-05-18 Mike Stump <mrs@apple.com>
1400 Fix up vla, vm and [*] sematics.
1406 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1407 (c_vla_unspec_p): Add.
1408 (c_vla_type_p): Add.
1409 * c-decl.c (struct c_scope): Add had_vla_unspec.
1410 (build_array_declarator): Add support for [*].
1411 (grokdeclarator): Likewise.
1412 (grokparms): Likewise.
1413 (get_parm_info): Likewise.
1414 * c-objc-common.c (c_vla_unspec_p): Likewise.
1415 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1416 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1417 typeof when argument is a variably modified type not inside sizeof or alignof.
1418 (c_parser_direct_declarator_inner): Propagate errors.
1419 (c_parser_sizeof_expression): Add support for [*].
1420 (c_parser_parms_declarator): Initialize had_vla_unspec.
1421 (c_parser_parms_list_declarator): Likewise.
1422 * c-typeck.c (c_vla_type_p): Add.
1423 (composite_type): Add support for vla compositing.
1424 (comptypes_internal): Add support for vla compatibility.
1425 (c_expr_sizeof_expr): Evaluate vla arguments.
1426 * tree.c (variably_modified_type_p): Update comment for [*].
1428 2006-05-18 Michael Matz <matz@suse.de>
1431 * config.host: Make assignments to host_xmake_file cumulative.
1432 * config.host (*-darwin*): Test $host, not $target.
1434 2006-05-12 Stuart Hastings <stuart@apple.com>
1436 * config/i386/i386.opt (-mstackrealign): New flag.
1437 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1438 (ix86_handle_cconv_attribute): Emit error when
1439 force_align_arg_pointer attribute collides with too many regparms.
1440 (ix86_function_regparm): Limit regparms when used with
1441 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1442 Support stack-realigning prologue in non-main functions. Emit
1443 warning for nested functions under -mstackrealign, emit error for
1444 nested functions with force_align_arg_pointer attribute.
1445 * doc/extend.texi (force_align_arg_pointer): Document it.
1446 * doc/invoke.texi (-mstackrealign): Document it.
1448 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1450 PR rtl-optimization/27477
1451 * combine.c (try_combine): Don't split a parallel consisting
1452 of two sets into two individual sets if both sets reference
1455 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1457 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1458 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1460 * doc/options.texi (VarExists): Updated.
1462 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1464 * unwind-dw2.c: Add declarations for uw_update_context and
1466 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1467 detected, advance frame state and context once to skip over stub.
1469 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1473 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1474 Call rewrite_into_loop_closed_ssa only when something changed.
1475 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1476 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1477 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1478 Test for perfect_nest_p here. Fix formating.
1479 (replace_uses_equiv_to_x_with_y): Fix formating.
1480 (stmt_uses_op): Removed.
1481 (can_convert_to_perfect_nest): Removed loopivs parameter.
1482 Complete the test by checking the scalar dependences.
1483 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1486 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1489 From Dan Kegel <dank@kegel.com>:
1490 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1492 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1494 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1495 if the element type is variably modified without recursing.
1497 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1500 * tree-loop-linear.c (try_interchange_loops): Test for
1501 no data dependences.
1503 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1505 PR tree-optimization/27548
1506 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1507 range of ssa names that appear on abnormal edges.
1508 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1509 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1511 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1514 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1516 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1519 * tree.h (OMP_PARALLEL_COMBINED): Define.
1520 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1521 (new_omp_context): Add is_combined_parallel argument.
1522 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1523 new_omp_context caller.
1524 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1525 Adjust gimplify_scan_omp_clauses callers.
1526 (omp_is_private): Issue errors if iteration variable is firstprivate
1527 or reduction in the current context.
1528 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1529 on combined parallel workshare constructs.
1531 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1533 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1534 (gcc-options.o): New rule.
1536 * optc-gen.awk: Protect variables for gcc-options.o with
1537 #ifdef GCC_DRIVER/#endif.
1539 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1541 Fix PR tree-optimization/27373
1542 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1543 (forward_propagate_addr_expr): Update call.
1545 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1547 * doc/options.texi: Move the Negative option.
1549 2006-05-16 Richard Guenther <rguenther@suse.de>
1551 PR tree-optimization/22303
1552 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1554 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1555 ccp_fold did not simplify the statement.
1557 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1560 * Makefile.in (GCC_OBJS): New.
1561 (OBJS-common): Add opts-common.o.
1562 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1563 (cpp$(exeext)): Likewise.
1564 (gcc.o): Also depend on opts.h.
1565 (opts-common.o): New.
1567 * common.opt (gcoff): Add Negative(gdwarf-2).
1568 (gdwarf-2): Add Negative(gstabs).
1569 (gstabs): Add Negative(gstabs+).
1570 (gstabs+): Add Negative(gvms).
1571 (gvms): Add Negative(gxcoff).
1572 (gxcoff): Add Negative(gxcoff+).
1573 (gxcoff+): Add Negative(gcoff).
1574 * config/i386/i386.opt (m32): Add Negative(m64).
1575 (m64): Add Negative(m32).
1577 * doc/options.texi: Document the Negative option.
1579 * gcc.c: Include "opts.h".
1580 (main): Call prune_options after expandargv.
1582 * optc-gen.awk: Generate common declarations for all flag
1583 variables in options.c. Output the neg_index field.
1585 * opts.c (find_opt): Moved to ...
1586 * opts-common.c: Here. New file.
1588 * opts.h (cl_option): Add a neg_index field.
1590 (prune_options): Likewise.
1592 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1595 * omp-low.c (expand_omp_parallel): Don't assert
1596 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1597 instead search for it.
1600 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1603 2006-05-16 Andreas Schwab <schwab@suse.de>
1605 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1608 2006-05-15 Roger Sayle <roger@eyesopen.com>
1611 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1612 integer constants other than zero are only legitimate on TARGET_64BIT.
1613 <CONST_VECTOR> Only zero vectors are legitimate.
1614 (ix86_cannot_force_const_mem): Integral and vector constants can
1615 always be put in the constant pool.
1617 2006-05-16 DJ Delorie <dj@redhat.com>
1619 * crtstuff.c (__dso_handle): Set section from
1620 TARGET_LBIGCC_SDATA_SECTION if defined.
1621 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1622 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1624 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1627 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1630 2006-05-16 Ben Elliston <bje@au.ibm.com>
1632 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1634 2006-05-15 Per Bothner <per@bothner.com>
1636 * tree.c: (last_annotated_node): Use source_locus typedef.
1637 This permits bootstrapping with --enable-mapped-location.
1639 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1641 PR tree-optimization/26830
1642 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1643 (info_for_ssa_name, current_info_for_ssa_name_age,
1644 blocks_to_update): New variables.
1645 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1646 (clear_ssa_name_info, initialize_flags_in_bb,
1647 mark_block_for_update): New functions.
1648 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1649 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1650 prepare_def_site_for): Use mark_block_for_update.
1651 (mark_def_interesting): Assert that the processed block is marked in
1652 blocks_to_update. Do not take blocks argument.
1653 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1655 (rewrite_update_init_block, rewrite_update_stmt): Only process
1656 blocks with statements to rewrite.
1657 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1658 (update_ssa): Initialize and free blocks_to_update. Do not
1659 clear flags on statements. Do not use blocks bitmap.
1660 * tree.h (SSA_NAME_AUX): Removed.
1661 (struct tree_ssa_name): Removed aux field.
1662 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1664 2006-05-15 Richard Guenther <rguenther@suse.de>
1666 PR tree-optimization/27603
1667 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1668 Do computations in original type.
1670 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1672 * see.c: Code style changes such as redundant paranthesis,
1673 redundant intialization of local variables etc.
1674 (see_main): Declared now as static.
1675 * doc/invoke.texi: Update that -fsee is not enabled by
1678 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1680 * omp-low.c (check_omp_nesting_restrictions): New function.
1681 (scan_omp_1): Call it.
1684 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1685 construct, return *VAR.
1687 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1689 PR rtl-optimization/27406
1690 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1693 2006-05-14 Roger Sayle <roger@eyesopen.com>
1695 PR rtl-optimization/27538
1696 * combine.c (expand_compound_operation): Call gen_lowpart
1697 before calling simplify_shift_const.
1699 2006-05-14 Roger Sayle <roger@eyesopen.com>
1701 PR rtl-optimization/22563
1702 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1703 a fixed width bitfield, always force the intermediates into psuedos.
1705 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1708 * mkconfig.sh: Use operator = instead of == for test.
1710 2006-05-13 Nick Clifton <nickc@redhat.com>
1712 * dwarf2out.c (dbx_reg_number): Check return value from
1713 LEAF_REG_REMAP and only use it if it is valid.
1714 (multiple_reg_loc_descriptor): Likewise.
1716 2006-05-13 Richard Guenther <rguenther@suse.de>
1718 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1721 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1723 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1724 information attached to non-INSNs such as NOTEs.
1725 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1727 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1729 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1731 * config/s390/s390.md: Adjust comment describing On constraint.
1733 2006-05-11 Jan Hubicka <jh@suse.cz>
1735 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1736 to be output at -O0.
1738 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1741 * fold-const.c (size_binop): Move sanity check for arguments to
1742 the beginning of the function.
1745 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1748 2006-05-11 Richard Guenther <rguenther@suse.de>
1751 * fold-const.c (fold_unary): Handle intermediate conversion
1752 to a pointer type like intermediate conversion to an integer
1753 type in folding of (T1)(T2)var to var.
1754 Match the code to the comment in the final conversion for
1755 (T1)(T2)var to (T1)var regarding to type precision. Rather
1756 than disallow T1 being of pointer type, assert that both T1
1757 and var are of pointer type or not. Make sure not to fall
1758 over the frontends lazyness wrt array to pointer decay though.
1760 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1762 * arm.c (arm_struct_value_rtx): Delete.
1763 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1764 (arm_init_cumulative_args): Always initialize nregs to zero.
1766 2006-05-10 Richard Guenther <rguenther@suse.de>
1768 PR tree-optimization/27532
1769 * tree-object-size.c (plus_expr_object_size): Fix typo.
1771 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1774 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1775 ashrdi_const, ashrdi3): Use a scratch register.
1777 2006-05-10 Richard Guenther <rguenther@suse.de>
1779 PR tree-optimization/27302
1780 * fold-const.c (operand_equal_p): For two comparisons,
1781 try comparison of one comparison code swapped if that yields
1784 2006-05-10 Ben Elliston <bje@au.ibm.com>
1786 * tree-pretty-print.c (pretty_print_string): No need to handle
1787 '\0' as a special character.
1789 * tree.h: Include "hashtab.h".
1790 (iterative_hash_expr): Use hashval_t in its prototype.
1791 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1793 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1796 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1797 (hppa*64*-*-hpux11*): Ditto.
1798 (hppa[12]*-*-hpux11*): Ditto.
1800 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1803 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1805 2006-05-09 Michael Matz <matz@suse.de>
1807 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1808 host_extra_gcc_objs and host_xmake_file.
1809 (<*-*-linux*>): Don't overwrite host_xmake_file.
1810 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1811 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1812 (host_detect_local_cpu): Declare.
1813 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1814 * config/i386/i386.c (override_options): Handle -mtune=native
1816 * config/i386/x-i386: New file.
1817 * config/i386/driver-i386.c: New file.
1818 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1821 2006-05-09 Dirk Mueller <dmueller@suse.de>
1822 Richard Guenther <rguenther@suse.de>
1825 * fold-const.c (fold_read_from_constant_string): Relax check
1826 for matching types to matching modes.
1828 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1830 PR rtl-optimization/27335
1831 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1834 2006-05-08 Chao-ying Fu <fu@mips.com>
1835 Richard Sandiford <richard@codesourcery.com>
1837 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1838 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1839 * config/mips/mips.md (UNSPEC_SCC): New constant.
1840 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1841 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1842 (mips_emit_compare): Use it.
1843 (mips_expand_vcondv2sf): New function.
1845 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1847 Fix PR tree-optimization/27093
1848 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1849 renaming when they become not-used_alone.
1851 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1853 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1854 relocation and relocation stubs.
1856 2006-05-08 Eric Christopher <echristo@apple.com>
1858 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1861 2006-05-08 Jan Hubicka <jh@suse.cz>
1864 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1865 unused static functions are needed.
1867 2006-05-08 Roger Sayle <roger@eyesopen.com>
1870 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1871 of a reg_equiv_constant if the result is a legitimate constant.
1873 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1876 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1877 standard 80387 constants, raise the cost to prevent
1878 compress_float_constant() to generate load from memory.
1880 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1882 * config/arm/constraints.md (c): Fix a typo.
1884 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1887 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1890 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1892 (_mm_mwait): Likewise.
1894 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1896 (sse3_monitor): Make it 32bit only.
1897 (sse3_monitor64): New. 64bit monitor.
1899 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1902 * config/i386/i386.c (classify_argument): Skip fields with invalid
1905 2006-05-07 Richard Guenther <rguenther@suse.de>
1907 PR tree-optimization/27409
1908 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1909 Do not try to find zero-sized subvars.
1911 2006-05-07 Richard Guenther <rguenther@suse.de>
1913 PR tree-optimization/27136
1914 * tree-ssa-loop-niter.c (get_val_for): Correct function
1915 comment, assert requirements.
1916 (loop_niter_by_eval): Stop processing if the iterated
1917 value did not simplify.
1919 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1921 * opts.c (flag_see): remove its setting at -O3.
1923 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1925 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1926 * arm/constraints.md: New file.
1927 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1928 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1929 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1930 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1931 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1932 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1933 * arm.md: Include constraints.md.
1934 (thumb_movsi_insn): Use satisfies_constraint_J.
1935 (movhi, movqi): Use satisfies_constraint_I.
1937 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1939 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1940 for atmeg a645 device.
1942 2006-05-06 Richard Guenther <rguenther@suse.de>
1944 PR tree-optimization/27151
1945 * tree-vect-transform.c (vectorizable_condition): Punt on
1946 values that have a different type than the condition.
1948 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1951 * c-parser.c (c_parser_cast_expression): Only insert casts into
1952 hash table if pointer.
1953 * function.c (used_types_insert_helper): Rename from
1955 (used_types_insert): Call used_types_insert_helper.
1956 * function.h (used_types_insert): Accept only one argument.
1958 2006-05-05 David Edelsohn <edesohn@gnu.org>
1960 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1961 scratch with output modifier.
1963 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1966 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1967 with output modifier.
1969 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1972 * config/mips/mips.c (mips_symbolic_address_p): Return true
1973 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1974 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1976 2006-05-04 Richard Guenther <rguenther@suse.de>
1978 PR tree-optimization/14287
1979 PR tree-optimization/14844
1980 PR tree-optimization/19792
1981 PR tree-optimization/21608
1982 PR tree-optimization/27090
1983 * tree-ssa-pre.c (try_combine_conversion): New function.
1984 (compute_avail): After constructing the value-handle
1985 expression, use try_combine_conversion to combine NOP_EXPRs
1986 with previous value-handle expressions and use the result if it
1989 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1991 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1993 2006-05-04 Jan Hubicka <jh@suse.cz>
1996 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1998 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2000 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2001 that this only matches CONST_INTs. All users changed to VOIDmode
2004 * config/bfin/bfin.c: Include "optabs.h".
2005 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2007 (enum bfin_builtins): Add a number of fractional and vector builtins.
2008 (bfin_init_builtins): Likewise.
2009 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2010 (safe_vector_operand, bfin_expand_binop_builtin,
2011 bfin_expand_unop_builtin): New functions.
2012 (bfin_expand_builtin): Handle the new builtins.
2013 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2016 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2019 * Makefile.in (OBJS-common): Add see.o.
2020 (see.o): Add dependencies.
2021 * common.opt (fsee): New flag for the see optimization was added.
2022 * opts.c (flag_see): Initialized.
2023 * passes.c (init_optimization_passes, pass_see): New pass.
2024 * rtl.h (see_main): Declaration as extern.
2025 * timevar.def (TV_SEE): New.
2026 * tree-pass.h (pass_see): Declaration as extern.
2027 * invoke.texi (-fsee): Document.
2028 * recog.c (validate_simplify_insn): New function.
2029 * recog.h (validate_simplify_insn): Declaration as extern.
2030 * df-problems.c (df_chain_dump): Check for NULL.
2032 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2033 Daniel Berlin <dberlin@dberlin.org>
2035 * cfgrtl.c (insert_insn_bb_end_new): New function.
2036 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2038 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2040 * df.h (struct web_entry): Moved from web.c.
2041 (union_defs): Declaration as extern.
2042 (unionfind_root): Likewise.
2043 (unionfind_union): Likewise.
2044 * web.c (struct web_entry): Moved to df.h.
2045 (unionfind_root): Remove static declaration.
2046 (unionfind_union): Likewise.
2047 (union_defs): Likewise and generalize to use callback function.
2048 (web_main): Update arguments for union_defs function call.
2050 2006-05-04 Richard Guenther <rguenther@suse.de>
2052 PR tree-optimization/26447
2053 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2054 produce SSA_NAME copies before the store stmt to avoid
2055 breaking exception handling.
2057 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2060 * gimplify.c (omp_is_private): If var is shared in some outer context,
2061 return false instead of true. Stop searching on parallel context
2064 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2067 * coverage.c: Use get_gcov_unsigned_t() instead of
2068 unsigned_type_node all over.
2070 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2072 PR tree-optimization/27381
2073 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2074 maintain the same immediate_use links.
2075 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2076 node rather than segfaulting.
2078 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2081 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2082 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2083 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2085 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2087 Fix PR tree-optimization/26626
2088 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2090 * tree-ssa-operands.c (access_can_touch_variable): Allow
2091 typecasting through union pointers.
2093 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2096 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2097 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2098 to find if var will be a global variable even in the nested context.
2099 (omp_copy_decl): Only check for global variable at the end, it might
2100 be overridden in outer contexts.
2101 (scan_sharing_clauses): For global variables don't create a field.
2102 (lower_rec_input_clauses): Do nothing for global shared variables.
2103 Emit a barrier at the end of ILIST if there were any decls in both
2104 firstprivate and lastprivate clauses.
2105 (lower_send_clauses): Do nothing for global variables except for
2108 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2110 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2111 of the correct signedness is returned.
2113 2006-05-02 Jeff Law <law@redhat.com>
2115 PR tree-optimization/27364
2116 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2117 multiply expressions.
2119 2006-05-02 Tom Tromey <tromey@redhat.com>
2121 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2123 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2126 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2127 -mthumb -fPIC are used.
2129 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2130 Joshua Kinard <kumba@gentoo.org>
2133 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2134 with 64-bit pointers.
2136 2006-05-02 Paul Brook <paul@codesourcery.com>
2138 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2140 (create_fix_barrier): Check that a suitable barrier location is
2142 (arm_reorg): Include ftmp->address in allowable range of addresses.
2144 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2147 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2150 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2153 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2154 around RESULT_DECL for result passed by reference.
2155 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2156 * omp-low.c (use_pointer_for_field): Don't look at
2157 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2158 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2159 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2160 time or var for passing by reference for
2161 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2162 TREE_ADDRESSABLE variables when passing by reference.
2164 * omp-low.c (dump_omp_region): Fix output formatting.
2167 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2168 (expand_omp_parallel): Likewise.
2169 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2172 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2173 on statement list containing also constructors and destructors.
2174 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2177 * except.c (duplicate_eh_regions): Fix clearing of
2178 cfun->eh->region_array entries.
2180 2006-05-01 DJ Delorie <dj@redhat.com>
2182 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2184 (gcc_cv_objdump): Likewise.
2185 * configure: Regenerated.
2187 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2190 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2191 templates for case 3 and 4.
2193 2006-05-01 DJ Delorie <dj@redhat.com>
2195 * vec.c: Include bconfig.h when appropriate.
2196 * Makefile.in (build/vec.o): Adjust dependencies.
2197 * mkconfig.sh: Make sure config.h isn't used for build machine
2200 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2202 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2204 (mark_phi_for_rewrite): New function.
2205 (insert_phi_nodes_for, mark_use_interesting): Call
2206 mark_phi_for_rewrite.
2207 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2208 (update_ssa): Initialize and free phis_to_rewrite.
2210 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2212 PR rtl-optimization/27291
2213 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2214 folded to a constant.
2216 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2218 PR tree-optimization/27283
2219 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2220 not whole # of iteration descriptions.
2221 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2222 uses abnormal ssa name.
2223 (niter_for_single_dom_exit): Ditto.
2224 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2225 return just the number of iterations.
2227 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2229 PR tree-optimization/27144
2230 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2231 (record_estimate): Only record constant upper bound.
2232 (infer_loop_bounds_from_undefined): Call
2233 compute_estimated_nb_iterations just once.
2234 (proved_non_wrapping_p): Renamed to ...
2235 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2236 (convert_step_widening, scev_probably_wraps_p): Call
2237 n_of_executions_at_most instead of proved_non_wrapping_p.
2238 (substitute_in_loop_info): Do not replace values in bounds.
2239 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2242 2006-05-01 Richard Henderson <rth@redhat.com>
2245 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2246 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2249 2006-05-01 Roger Sayle <roger@eyesopen.com>
2251 * c-typeck.c (parser_build_binary_op): Don't call the function
2252 unsigned_conversion_warning to spot operand/result type overflow.
2253 (build_binary_op): Instead, call convert_and_check instead of
2254 convert to report the problem when the operands are promoted.
2255 * c-common.c (unsigned_conversion_warning): Make static.
2256 * c-common.h (unsigned_conversion_warning): Delete prototype.
2258 2006-05-01 Richard Guenther <rguenther@suse.de>
2260 PR tree-optimization/26726
2261 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2263 (find_interesting_uses_address): ... we work around here
2264 by folding INDIRECT_REFs in the substituted base.
2266 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2268 * omp-low.c (dump_omp_region): Add newlines.
2270 2006-04-30 Roger Sayle <roger@eyesopen.com>
2272 * common.opt (Woverflow): New command line option.
2273 * c-common.c (constant_expression_warning): Check warn_overflow.
2274 (overflow_waring): Pass OPT_Woverflow to warning.
2275 (unsigned_conversion_warning): Likewise.
2276 (convert_and_check): Likewise.
2277 * doc/invoke.texi: Document new command line option.
2279 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2281 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2282 TARGET_NO_FP_IN_TOC for section anchors.
2283 (optimization_options): Enable section anchors for all
2284 non-"Objective" languages.
2286 2006-04-28 Eric Christopher <echristo@apple.com>
2288 * config/darwin-c.c (darwin_ms_struct): Move this
2289 (darwin_set_default_type_attributes): and this...
2290 * config/darwin.c: ... here.
2291 * config/darwin.h (darwin_ms_struct): Declare.
2293 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2295 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2297 2006-04-28 Roger Sayle <roger@eyesopen.com>
2300 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2301 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2302 an unsigned HOST_WIDE_INT.
2303 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2305 (really_start_incremental_init): No need to call convert because
2306 bitsize_zero_node is already of type bitsizetype.
2307 (push_init_level): Extract the value of constructor_index as an
2308 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2309 (process_init_element): Likewise.
2311 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2313 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2314 value before passing to make_relative_prefix.
2316 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2319 * builtins.c (expand_builtin_memset): Expand val in original mode.
2321 2006-04-27 Eric Christopher <echristo@apple.com>
2323 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2324 with #ifndef/#endif.
2325 * config/darwin-c.c (darwin_ms_struct): New.
2326 (darwin_pragma_ms_struct): Ditto.
2327 (darwin_set_default_type_attributes): Ditto.
2328 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2329 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2330 Register ms_struct pragma.
2331 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2332 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2333 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2334 darwin_set_default_type_attributes if TARGET_MACHO.
2336 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2338 PR tree-optimization/26854
2339 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2340 * doc/tree-ssa.texi: Update immuse iterator documentation.
2341 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2342 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2343 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2344 first_safe_imm_use, next_safe_imm_use): Remove.
2345 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2346 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2347 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2348 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2349 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2350 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2351 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2352 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2353 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2354 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2355 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2356 (perfect_nestify): Use new iterator.
2357 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2359 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2360 (next_imm_name): New field in struct immediate_use_iterator_d.
2361 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2362 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2363 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2364 * tree-cfg.c (replace_uses_by): Use new iterator.
2365 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2366 * tree-ssa-operands.c (correct_use_link): Remove.
2367 (finalize_ssa_use_ops): No longer call correct_use_link.
2369 2006-04-27 Stuart Hastings <stuart@apple.com>
2371 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2372 * config/t-darwin (crt3.o): Use it.
2373 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2374 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2375 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2376 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2377 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2380 2006-04-27 Roger Sayle <roger@eyesopen.com>
2382 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2383 size, force the intermediate into a new pseudo rather instead of
2384 performing both a bitwise AND and a bitwise IOR in memory.
2386 2006-04-27 Richard Guenther <rguenther@suse.de>
2388 PR rtl-optimization/26685
2389 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2390 this one "max-flow-memory-locations".
2392 2006-04-27 Richard Guenther <rguenther@suse.de>
2394 PR tree-optimization/25148
2395 * tree-vrp.c (compare_values): Remove code dealing with
2396 comparisons against type min/max value. Honour overflow
2397 and negative constants in code dealing with comparisons
2398 of plus and minus expressions.
2399 (value_inside_range): Use fold_binary with LE_EXPR and
2400 GE_EXPR rather than compare_values.
2402 2006-04-27 Dirk Mueller <dmueller@suse.de>
2404 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2407 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2409 * basic-block.h (safe_insert_insn_on_edge): Removed.
2410 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2412 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2413 Paolo Bonzini <bonzini@gnu.org>
2416 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2417 (simplify_and_const_int): Same.
2419 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2421 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2423 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2426 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2427 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2428 cgraph_global_info_ready.
2431 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2434 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2435 either decl or init is error_mark_node.
2438 * tree-flow.h (struct omp_region): Add sched_kind.
2439 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2440 instead of extracting omp for data.
2441 (expand_omp_for): Save extracted sched_kind.
2443 2006-04-25 Roger Sayle <roger@eyesopen.com>
2445 * expmed.c (store_bit_field): Also check whether the bitsize is
2446 valid for the machine's "insv" instruction before moving the
2447 target into a pseudo for use with the insv.
2448 * config/i386/predicates.md (const8_operand): New predicate.
2449 * config/i386/i386.md (extv, extzv, insv): Use the new
2450 const8_operand predicate where appropriate.
2452 2006-04-25 DJ Delorie <dj@redhat.com>
2454 * doc/install.texi (Specific): Clarify that this is not a list of
2455 supported hosts or targets.
2457 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2459 PR rtl-optimization/26725
2460 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2461 block's BB_DIRTY flag.
2463 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2465 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2468 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2469 to print an integer.
2471 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2473 * varasm.c (align_variable): New function.
2474 (get_block_for_decl): Apply align_variable to DECL before
2475 calculating section information.
2476 (assemble_variable): Split out alignment computation.
2478 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2480 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2483 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2485 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2486 MODE_PARTIAL_INT mode.
2487 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2488 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2490 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2491 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2493 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2495 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2497 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2498 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2499 MACFLAG_IH): Likewise.
2500 (movstricthi_1): Renamed from "*movstricthi".
2501 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2502 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2503 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2504 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2505 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2506 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2507 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2508 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2509 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2510 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2511 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2512 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2513 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2514 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2515 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2517 * doc/rtl.texi (ss_ashift): Improve wording.
2519 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2521 * dwarf2out.c (verify_marks_clear): New.
2522 (prune_unused_types): Call verify_marks_clear initially, not
2525 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2527 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2528 * doc/rtl.texi: Document them.
2529 * simplify-rtx.c (simplify_unary_operation,
2530 simplify_binary_operation_1): Don't abort when we see them.
2532 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2535 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2536 * configure.ac: Completely disregard languages that are not
2538 * configure: Regenerated.
2540 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2541 Richard Guenther <rguenther@suse.de>
2543 PR tree-optimization/27236
2544 * tree-inline.c (copy_body_r): Make sure to copy
2545 TREE_THIS_VOLATILE flag.
2547 2006-04-24 Richard Guenther <rguenther@suse.de>
2550 * tree-complex.c (update_parameter_components): Don't handle
2551 unused parameters which have no default def.
2553 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2554 Richard Guenther <rguenther@suse.de>
2556 PR tree-optimization/27218
2557 * tree-inline.c (expand_call_inline): Strip useless type
2558 conversions for the return slot address.
2560 2006-04-24 Richard Guenther <rguenther@suse.de>
2562 * cfgloop.h (struct loops): Remove unused field array. Reorder
2564 (LOOP_PREFETCH): Remove.
2566 2006-04-24 Richard Guenther <rguenther@suse.de>
2568 PR tree-optimization/22525
2569 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2570 variable, adjust types of generated expressions.
2572 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2574 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2575 (tree-vect-patterns.o): Likewise.
2577 (cselib.o): Likewise.
2578 (loop-doloop.o): Likewise.
2579 (regclass.o): Likewise.
2580 (reload1.o): Likewise.
2581 (explow.o): Replace target.h with $(TARGET_H).
2582 (ipa-prop.o): Likewise.
2583 (ipa-cp.o): Likewise.
2584 (ipa-inline.o): Likewise.
2585 (reorg.o): Likewise.
2586 (reg-stack.o): Likewise.
2588 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2590 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2592 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2594 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2596 * configure.ac: Completely disregard languages that are not
2598 * configure: Regenerated.
2601 * c-common.h (c_build_bitfield_integer_type): Declare.
2602 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2603 * c-common.c (c_build_bitfield_integer_type): ... here.
2605 2006-04-23 Roger Sayle <roger@eyesopen.com>
2608 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2609 a SImode SUBREG of a floating point register after no_new_pseudos.
2611 2006-04-23 Roger Sayle <roger@eyesopen.com>
2613 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2614 identify potentially eliminable registers to additionally catch
2615 VIRTUAL_INCOMING_ARGS_REGNUM.
2616 (addsi3): Update the conditions on when to use addsi_small_int.
2618 2006-04-23 Roger Sayle <roger@eyesopen.com>
2621 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2622 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2623 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2625 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2627 * fold-const.c (range_predecessor): Use operand_equal_p
2628 as the predicate for equality.
2629 (range_successor): Likewise.
2631 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2634 * config/soft-fp/op-common.h: Fix a typo.
2636 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2639 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2640 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2642 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2644 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2646 * doc/tm.texi: Fix a typo.
2648 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2650 * dwarf2out.c (struct die_struct): Document that die_sib makes
2651 a circular linked list.
2652 (FOR_EACH_CHILD): New.
2653 (reverse_die_lists): Delete.
2654 (reverse_all_dies): Delete.
2655 (add_dwarf_attr): Correct documentation.
2656 (remove_child_with_prev): New.
2657 (remove_child_TAG): Update for change to die_struct, use
2658 remove_child_with_prev.
2659 (add_child_die): Update for change to die_struct.
2660 (splice_child_die): Use remove_child_with_prev and add_child_die.
2661 (print_die): Use FOR_EACH_CHILD.
2662 (die_checksum): Likewise.
2663 (assign_symbol_names): Likewise.
2664 (output_location_lists): Likewise.
2665 (build_abbrev_table): Likewise.
2666 (calc_die_sizes): Likewise.
2667 (mark_dies): Likewise.
2668 (unmark_dies): Likewise.
2669 (unmark_all_dies): Likewise.
2670 (output_die): Likewise.
2671 (prune_unused_types_mark): Likewise.
2672 (prune_unused_types_walk): Likewise.
2673 (same_die_p): Update for change to die_struct.
2674 (break_out_includes): Likewise.
2675 (prune_unused_types_prune): Likewise.
2676 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2677 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2679 (dwarf2out_finish): Don't call reverse_all_dies.
2681 2006-04-21 Eric Christopher <echristo@apple.com>
2683 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2684 in comments and function names.
2686 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2689 * c-typeck.c (digest_init): Robustify.
2691 * c-typeck.c (pop_init_level): Simplify.
2693 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2695 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2697 2006-04-21 Paul Brook <paul@codesourcery.com>
2699 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2700 hardware floating point.
2702 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2704 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2707 2006-04-21 Nick Clifton <nickc@redhat.com>
2709 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2712 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2715 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2716 C++ lang type in traceback table for Objective-C++.
2718 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2720 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2722 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2724 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2727 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2728 were errors. Remove check for erroneous objects.
2730 2006-04-20 Jeff Law <law@redhat.com>
2732 PR tree-optimization/26854
2733 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2734 checking for zero or one use.
2735 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2736 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2737 * tree-ssa-reassoc.c (negate_value): Similarly.
2738 (reassociate_bb): Similarly.
2740 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2742 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2743 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2744 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2746 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2748 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2749 fp regs if the last fp arg doesn't fit in regs.
2751 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2754 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2755 that the last insn has the REG_INC note.
2757 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2758 Nathan Sidwell <nathan@codesourcery.com>
2761 * stor-layout.c (update_alignment_for_field): Do not align
2763 (place_union_field): Place union field at the start of the union.
2764 (place_field): Move ERROR_MARK check later, and use the current
2765 allocation position to maintain monotonicity.
2767 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2769 * dominance.c: Include timevar.h.
2770 (calculate_dominance_info): Use TV_DOMINANCE.
2771 * timevar.def (TV_DOMINANCE): New timevar.
2772 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2774 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2776 PR rtl-optimization/14261
2777 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2778 move would be an INSV insn.
2779 (noce_process_if_block): Don't optimize if the destination is a
2780 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2782 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2784 * config/s390/s390.md: Add comments with the instructions emitted
2785 by an insn pattern if macros are used.
2787 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2789 PR rtl-optimization/26026
2790 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2791 is a known power of two shifted left a variable amount.
2793 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2795 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2796 to hash table twice when the debug_str section has SECTION_MERGE.
2798 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2800 * config/soft-fp: New directory. From glibc.
2801 * config/soft-fp/t-softfp: New.
2802 * config/soft-fp/README: New.
2803 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2804 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2805 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2806 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2807 * config.gcc: Use rs6000/t-fprules-fpbit or
2808 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2810 * config/rs6000/sfp-machine.h: New. Based on glibc.
2811 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2813 * config/rs6000/t-fprules: Remove fp-bit rules.
2814 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2815 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2816 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2817 (softfp_wrap_start, softfp_wrap_end): New.
2819 2006-04-18 DJ Delorie <dj@redhat.com>
2821 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2823 2006-04-18 Devang Patel <dpatel@apple.com>
2825 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2827 2006-04-18 Nick Clifton <nickc@redhat.com>
2829 * config/sh/t-symbian: Add rule to build sh-c.o
2830 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2831 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2832 (sh_symbian_encode_section_info): Likewise.
2834 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2836 * builtins.c (expand_builtin_strcmp): Cover label definition of
2837 do_libcall with HAVE_cmpstrnsi.
2839 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2841 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2843 * function.h (temp_slot_p): New.
2844 (function): Change the type of x_used_temp_slots to
2845 VEC(temp_slot_p,gc) *.
2847 2006-04-18 Nick Clifton <nickc@redhat.com>
2849 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2850 flag_strength_reduce.
2852 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2854 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2858 Partial revert of revision 112637
2859 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2860 Dale Johannesen <dalej@apple.com>
2863 * regclass.c (struct reg_pref): Update documentation.
2864 (regclass): Set prefclass to NO_REGS if memory is the best option.
2865 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2867 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2869 PR tree-optimization/26821
2870 * tree-ssa-math-opts.c (get_constant_one): New.
2871 (insert_reciprocals): Use it.
2873 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2875 * dwarf2out.c (free_AT): Delete.
2876 (remove_AT): Update string ref counts.
2877 (remove_child_TAG): Don't call free_die.
2879 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2880 or DW_TAG_GNU_EINCL.
2881 (prune_unused_types_walk_attribs): Reset string refcounts.
2882 (prune_unused_types_update_strings): New.
2883 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2884 call free_die. Do call prune_unused_types_update_strings.
2885 (prune_unused_types): Empty debug_str_hash.
2887 2006-04-17 Roger Sayle <roger@eyesopen.com>
2889 * expr.c (expand_assignment): Optimize away no-op moves where the
2890 source and destination are equal and have no side-effects.
2892 2006-04-17 Richard Guenther <rguenther@suse.de>
2895 * reload.c (push_reload): Guard calls to get_secondary_mem
2898 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2900 * alias.c (reg_base_value, old_reg_base_value): Change the
2901 type to VEC(rtx,gc) *.
2902 (REG_BASE_VALUE, find_base_value, record_set,
2903 init_alias_analysis): Use VEC instead of VARRAY.
2905 * alias.c (alias_sets): Change the type to
2906 VEC(alias_set_entry,gc) *.
2907 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2908 VEC instead of VARRAY.
2909 (last_alias_set): Remove.
2911 * cgraph.h (cgraph_edge_p): New.
2912 Update the prototype of cgraph_function_versioning.
2913 * cgraphunit.c (cgraph_copy_node_for_versioning,
2914 cgraph_function_versioning): Use VEC instead of VARRAY.
2915 * ipa-cp.c (ipcp_insert_stage): Likewise.
2917 2006-04-16 Roger Sayle <roger@eyesopen.com>
2920 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2921 "A op B" or "A op C", we may need to convert A to the type of B and C.
2923 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2925 * target.h (struct gcc_target): Add mode_rep_extended.
2926 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2927 (init_num_sign_bit_copies_in_rep): Initialize it using
2929 (truncate_to_mode): Use it.
2930 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2931 * targhooks.h (default_mode_rep_extended): Declare it.
2932 * targhooks.c (default_mode_rep_extended): Define it.
2933 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2934 default_mode_rep_extended.
2935 (TARGET_INITIALIZER): Include it.
2936 * doc/tm.texi (Misc): Document it.
2937 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2938 (mips_truncated_to_mode): New function.
2940 2006-04-16 Roger Sayle <roger@eyesopen.com>
2943 * expr.c (compress_float_constant): Copy the narrow constant into
2944 a new pseudo before extending it to its final width.
2946 2006-04-16 Roger Sayle <roger@eyesopen.com>
2947 Andrew Pinski <pinskia@gcc.gnu.org>
2948 Dale Johannesen <dalej@apple.com>
2951 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2952 special case code to implement V8HImode and V16QImode with SSE2.
2954 2006-04-15 Roger Sayle <roger@eyesopen.com>
2956 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2957 trees are constructed with a suitable tree type.
2959 2006-04-15 Roger Sayle <roger@eyesopen.com>
2961 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2962 (integer_onep): Likewise.
2963 (integer_all_onesp): Likewise.
2964 (integer_pow2p): Likewise.
2965 (integer_nonzerop): Likewise.
2966 (real_zerop): Likewise.
2967 (real_onep): Likewise.
2968 (real_twop): Likewise.
2969 (real_minus_onep): Likewise.
2970 (int_size_in_bytes): Likewise.
2971 (host_integerp): Likewise.
2973 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2975 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2976 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2977 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2979 * tree-ssa-structalias.h (alias_info): Remove num_references.
2981 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2983 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2984 (output_bvb patterns): Likewise.
2985 * pa.c (output_bb): Use 'bb' insn for long branch case.
2986 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2987 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2988 1. Correct length operand for alternatives 1 and 2.
2989 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2990 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2992 2006-04-14 Roger Sayle <roger@eyesopen.com>
2994 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2995 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2996 were accidentally reverted by r112959.
2998 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3001 * except.h (eh_region_outermost): New prototype.
3002 * except.c (eh_region_outermost): New function.
3003 * tree-cfg.c (find_outermost_region_in_block): Use it.
3005 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3007 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3009 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3010 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3011 (init_reload, reload): Use VEC instead of VARRAY.
3012 * reload.h: Update the prototype for
3013 reg_equiv_memory_loc_varray.
3015 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3016 Eric Botcazou <ebotcazou@libertysurf.fr>
3018 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3021 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3024 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3025 to expand fallback builtin function call.
3027 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3030 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3031 and emit libcall here in case the builtin fails.
3032 (expand_builtin_strcmp): Always emit the libcall here on failure.
3034 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3036 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3037 * flow.c (reg_n_info): Change the type to
3038 VEC(reg_info_p,heap) *.
3039 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3041 * regs.h (reg_info_p): New.
3042 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3043 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3044 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3047 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3049 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3051 * params.h (MAX_SCHED_READY_INSNS): New macro.
3052 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3053 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3054 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3055 the ready list for 1 cycle during the first scheduling pass.
3056 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3058 2006-04-13 Richard Henderson <rth@redhat.com>
3061 * gimple-low.c (lower_omp_directive): Remove dead code.
3062 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3063 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3064 * omp-low.c (struct omp_region): Move to tree-flow.h.
3065 (root_omp_region): Export.
3066 (omp_regions, lookup_omp_region): Remove.
3067 (determine_parallel_type): Update for struct omp_region changes.
3068 (dump_omp_region): Dump regions with block numbers.
3069 (new_omp_region): Take type and block instead of stmt; malloc
3071 (free_omp_region_1, free_omp_regions): New.
3072 (expand_parallel_call): Take entry_stmt as argument; update for
3073 changes to omp_region.
3074 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3075 (remove_exit_barriers): New.
3076 (expand_omp_parallel): Update for struct omp_region changes.
3077 (expand_omp_synch): Likewise.
3078 (expand_omp): Likewise.
3079 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3080 (expand_omp_for_static_chunk): Likewise.
3081 (expand_omp_for): Likewise.
3082 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3083 (expand_omp_sections): Similarly, with GOMP_sections_end.
3084 (expand_omp_single): New.
3085 (build_omp_regions_1): Update for OMP_CONTINUE.
3086 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3087 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3088 OMP_SECTIONS_SECTIONS.
3089 (lower_omp_single_simple): Don't emit barrier here.
3090 (lower_omp_single_copy): Likewise.
3091 (lower_omp_single): Fix bindings, and lower to straightline now.
3092 (lower_omp_master, lower_omp_ordered): Likewise.
3093 (lower_omp_critical): Likewise.
3094 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3095 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3096 omp edges, free it afterward.
3097 (make_omp_sections_edges): Remove.
3098 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3099 (move_stmt_r): Handle OMP_CONTINUE.
3100 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3101 statement pointers to basic blocks. Add type member.
3102 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3103 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3104 * tree-inline.c (estimate_num_insns_1): Likewise.
3105 * tree-pretty-print.c (dump_generic_node): Likewise.
3106 * tree-ssa-operands.c (get_expr_operands): Likewise.
3107 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3108 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3109 (OMP_CONTINUE): New.
3110 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3111 (OMP_SECTIONS_SECTIONS): Remove.
3112 (OMP_SECTION_LAST): New.
3113 (OMP_RETURN_NOWAIT): New.
3115 2006-04-13 Roger Sayle <roger@eyesopen.com>
3117 * fold-const.c (native_encode_vector, native_interpret_real):
3118 Correct obvious mistakes in the previous check-in.
3120 2006-04-13 Roger Sayle <roger@eyesopen.com>
3122 * fold-const.c (native_encode_expr): New function to encode
3123 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3124 or VECTOR_CST into a specified buffer.
3125 (native_encode_int): New function.
3126 (native_encode_real): New function.
3127 (native_encode_complex): New function.
3128 (native_encode_vector): New function.
3129 (native_interpret_expr): Inverse of native_encode_expr to convert
3130 a target representation into an INTEGER_CST, REAL_CST etc...
3131 (native_interpret_int): New function.
3132 (native_interpret_real): New function.
3133 (native_interpret_complex): New function.
3134 (native_interpret_vector): New function.
3135 (fold_view_convert_expr): New function to constant fold/evaluate
3136 a VIEW_CONVERT_EXPR of a suitable constant expression.
3137 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3138 Change call of build1 to fold_build1 when constructing a
3141 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3142 Ulrich Weigand <uweigand@de.ibm.com>
3145 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3148 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3151 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3152 optimize to lo_sum for DFmode if !TARGET_FPRS.
3154 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3156 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3157 delete_alias_info, compute_flow_sensitive_aliasing,
3158 group_aliases): Use VEC instead of VARRAY.
3159 * tree-ssa-structalias.c (update_alias_info): Likewise.
3160 * tree-ssa-structalias.h (alias_info): Change the type of
3161 processed_ptrs to VEC(tree,heap) *.
3163 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3166 * config/sh/lib1funcs.h: New file, broken out of:
3167 * config/sh/lib1funcs.asm.
3168 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3170 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3171 * config/sh/lib1funcs-Os-4-200.asm: New file.
3172 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3173 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3174 (EXTRA_MULTILIB_PARTS): Include it.
3175 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3176 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3177 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3178 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3181 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3183 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3184 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3185 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3187 * tree-ssa-live.h: Include vecprim.h.
3188 (tree_partition_associator_d): Change the type of
3189 first_partition to VEC(int,heap) *.
3190 (tpa_first_partition): Use VEC instead of VARRAY.
3192 * Makefile.in (GTFILES): Move functions.h after tree.h.
3193 * function.c (reset_block_changes, record_block_change,
3194 check_block_change, free_block_changes): Use VEC instead of
3196 * function.h (function): Change the type of
3197 ib_boundaries_block to VEC(tree,gc) *.
3198 * tree-inline.c (copy_cfg_body): Initialize
3199 ib_boundaries_block to NULL instead of (varray_type) 0.
3201 2006-04-12 Roger Sayle <roger@eyesopen.com>
3203 * expr.c (emit_group_store): Correct operand order in call to
3204 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3205 a SUBREG_BYTE of zero.
3207 2006-04-12 Richard Guenther <rguenther@suse.de>
3209 * profile.c (compute_branch_probabilities): Remove code
3210 encapsulated in !ir_type (), which are remanents of the
3211 removed RTL profiling code.
3212 * rtl-profile.c: Remove.
3214 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3216 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3217 magic NULL_RTX comment.
3218 (function_arg): Store entire fp arg to mem if any part should go
3220 (rs6000_arg_partial_bytes): Adjust for above change.
3222 2006-04-11 Roger Sayle <roger@eyesopen.com>
3224 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3225 if it hasn't been initialized by dwarf2out_init.
3227 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3229 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3230 symbolic constants in branch patterns.
3232 2006-04-11 Roger Sayle <roger@eyesopen.com>
3234 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3236 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3238 PR rtl-optimization/27073
3239 * gcse.c (try_replace_reg): Revert last change. Continue to search
3240 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3243 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3245 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3246 aggregate types other than record and union types.
3247 (function_arg): Likewise.
3248 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3250 (function_value): In 64-bit mode, return objects that require it
3253 2006-04-11 Roger Sayle <roger@eyesopen.com>
3255 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3257 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3259 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3261 2006-04-03 Jeff Law <law@redhat.com>
3264 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3265 alias information too.
3267 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3269 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3271 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3274 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3275 (premark_used_types_helper): New.
3276 (premark_used_types): New.
3277 (gen_subprogram_die): Call premark_used_types.
3278 (prune_unused_types_walk): Do not prune perennial dies.
3279 * function.c (used_types_insert): New.
3280 * function.h (struct function): Add used_types_hash field.
3281 (used_types_insert): Add prototype.
3282 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3283 * c-parser.c (c_parser_cast_expression): Save casted types in used
3286 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3289 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3290 rs6000_explicit_options.float_gprs.
3292 2006-04-10 Roger Sayle <roger@eyesopen.com>
3294 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3295 from ix86_expand_vector_init_low_nonzero. Take an additional
3296 one_var argument indicating which element is non-zero. Support
3297 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3298 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3299 with one_var instead of ix86_expand_vector_init_low_nonzero.
3301 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3303 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3304 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3305 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3306 build/genextract.o): Depend on vecprim.h.
3307 * cfglayout.c, df-problems.c, function.c, genextract.c,
3308 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3309 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3313 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3315 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3316 Declare VECs of this type.
3317 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3318 (remove_children): Delete.
3319 (add_dwarf_attr): Use VEC routines.
3320 (add_AT_flag): Update for changes to add_dwarf_attr.
3321 (add_AT_int): Likewise.
3322 (add_AT_unsigned): Likewise.
3323 (add_AT_long_long): Likewise.
3324 (add_AT_vec): Likewise.
3325 (add_AT_string): Likewise.
3326 (add_AT_die_ref): Likewise.
3327 (add_AT_fde_ref): Likewise.
3328 (add_AT_loc): Likewise.
3329 (add_AT_loc_list): Likewise.
3330 (add_AT_addr): Likewise.
3331 (add_AT_lbl_id): Likewise.
3332 (add_AT_lineptr): Likewise.
3333 (add_AT_macptr): Likewise.
3334 (add_AT_offset): Likewise.
3335 (add_AT_range_list): Likewise.
3336 (get_AT): Use VEC_iterate.
3337 (remove_AT): Use VEC_ordered_remove.
3338 (free_die): Fold remove_children into here; have it use VEC_iterate.
3339 (print_die): Use VEC_iterate on attrs.
3340 (reverse_die_lists): Don't reverse attr lists.
3341 (die_checksum): Use VEC_iterate on attrs.
3342 (same_die_p): Likewise.
3343 (output_location_lists): Likewise.
3344 (build_abbrev_table): Likewise.
3345 (size_of_die): Likewise.
3346 (unmark_all_dies): Likewise.
3347 (output_abbrev_section): Likewise.
3348 (output_die): Likewise.
3349 (prune_unused_types_walk_attribs): Likewise.
3351 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3353 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3355 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3358 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3360 2006-04-09 Roger Sayle <roger@eyesopen.com>
3362 * expr.c (store_constructor): Don't bother clearing target if
3363 we're about to assign a vector to it using vec_init_optab.
3365 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3367 * tree-ssa-alias.c (lhs_may_store_to): New function.
3368 (recalculate_used_alone): Handle LHS of calls.
3370 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3374 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3375 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3376 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3377 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3378 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3379 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3380 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3381 stubs. Add ".align 8" directives before all ".dword" directives.
3382 (GTHREAD_USE_WEAK): Revise comment.
3383 (TARGET_ATTRIBUTE_WEAK): Define.
3384 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3385 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3386 * stublib.c: New file.
3391 * pa.md (cbranch patterns): Revise arguments used in calls to
3392 output_cbranch, output_bb and output_bvd. Add long branch length
3394 (fbranch patterns): Handle long branches.
3395 (jump): Revise length check. Revise arguments for output_lbranch call.
3396 Add long branch length attributes.
3397 (decrement_and_branch_until_zero): Add long branch length attributes.
3398 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3399 Likewise. Revise arguments for output_parallel_addb and
3400 output_parallel_movb calls.
3401 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3402 output_parallel_movb and output_parallel_addb): Update prototypes.
3403 * pa.c (output_cbranch): Revise arguments. Correct handling of
3404 nullification in long branches.
3405 (output_lbranch): Add new argument to control extraction of delay
3407 (output_bb): Handle long branches.
3408 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3409 output_parallel_addb): Likewise.
3411 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3413 PR rtl-optimization/27073
3414 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3417 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3419 * tree.h (tree_memory_tag): Add old_used_alone.
3420 (SMT_OLD_USED_ALONE): New macro.
3421 * tree-ssa-alias.c (recalculate_used_alone): Stop
3422 marking things for renaming unnecessarily.
3424 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3426 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3427 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3428 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3429 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3430 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3431 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3432 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3433 spelling convensions.
3434 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3435 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3436 typos. Follow spelling conventions.
3438 2006-04-07 DJ Delorie <dj@redhat.com>
3440 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3441 passed on the stack.
3442 (m32c_init_cumulative_args): When a function returns a structure,
3443 always pass the pointer to that return area on the stack.
3444 (m32c_function_arg_advance): Don't increment the parameter number
3445 if we're processing the returned structure pointer.
3446 (pushm_info): Reverse order of registers.
3448 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3450 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3451 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3452 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3453 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3455 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3456 chrec_fold_multiply): Same.
3457 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3458 force_expr_to_var_cost): Same.
3459 * tree-mudflap.c (mf_xform_derefs_1): Same.
3460 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3462 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3464 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3465 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3468 2006-04-07 Jan Hubicka <jh@suse.cz>
3470 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3472 2006-04-07 Richard Guenther <rguenther@suse.de>
3474 PR tree-optimization/26135
3475 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3476 loads for store copy-prop.
3477 (copy_prop_visit_stmt): Likewise.
3479 2006-04-05 Robert Millan <robertmh@gnu.org>
3481 * config/i386/linux.h: Add a comment to mark macros that are
3482 being overriden in config/k*bsd-gnu.h.
3483 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3485 * config/knetbsd-gnu.h: Ditto.
3487 2006-04-06 Jan Hubicka <jh@suse.cz>
3491 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3494 2006-04-06 Mike Stump <mrs@apple.com>
3496 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3497 for HAVE_nonlocal_goto to be consistent.
3498 (expand_builtin_nonlocal_goto): Likewise.
3499 (expand_builtin_strcmp): Use #ifdef instead of #if
3500 for HAVE_cmpstrnsi to be consistent.
3502 2006-04-05 DJ Delorie <dj@redhat.com>
3504 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3507 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3509 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3510 got-relative addressing for anything but SImode.
3512 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3513 even if the calling function doesn't modify them.
3515 2006-04-05 Richard Guenther <rguenther@suse.de>
3517 PR tree-optimization/26919
3518 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3519 to cgraph_estimate_size_after_inlining.
3521 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3523 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3525 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3527 PR tree-optimization/26996
3528 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3529 VECTOR_TYPE variables.
3531 2006-04-05 Richard Guenther <rguenther@suse.de>
3533 PR tree-optimization/26763
3534 * fold-const.c (fold_comparison): Move folding of
3535 PTR + CST CMP PTR + CST ...
3536 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3538 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3540 * doc/install.texi (Prerequisites): Refine some wording on
3541 bootstrapping and ksh.
3542 Move the version numbers of DejaGnu here from the testing section
3543 and fix casing of names.
3544 Fix markup and clarify wording for autogen requirements.
3545 Refer to GCJ instead of just java.
3546 Refer to SVN instead of CVS.
3547 Describe diffutils as useful instead of necessary.
3548 (Downloading the source): Refer to SVN instead of CVS.
3549 Adjust a link to our web site accordingly.
3550 (Configuration): Fix casing of Bison.
3551 (Building): Refer to SVN instead of CVS.
3552 Fix a sentence on the use of Bison and remove duplicate (and
3553 incorrect) version number of Bison requirement.
3554 Remove one redundant list of packages needed for building.
3555 (Specific): Avoid reference to CVS.
3557 2006-04-04 Eric Christopher <echristo@apple.com>
3559 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3560 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3561 (rs6000_handle_struct_attribute): New.
3562 (rs6000_ms_bitfield_layout_p): Ditto.
3564 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3566 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3567 NULL for dso parameter to atexit_common.
3569 2006-04-04 Eric Christopher <echristo@apple.com>
3571 * config/i386/i386.c (machopic_output_stub): Output \t
3572 between instructions and operands.
3574 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3576 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3577 satisfies_constraint_[IL] to explicit tests on value.
3579 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3581 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3582 set_nb_iterations_in_loop): Use build_int_cst instead of
3584 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3585 build_int_cst instead of convert.
3587 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3589 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3590 new value 2 for incoming.
3591 * function.c (expand_function_start): Call struct_value_rtx
3593 * config/sparc/sparc.md: Comment updated_return.
3594 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3595 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3596 struct return if sparc_std_struct_return and incoming is 2.
3597 (print_operand): Do not adjust return if
3598 sparc_std_struct_return.
3600 2006-04-04 Roger Sayle <roger@eyesopen.com>
3602 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3603 convert in the middle-end.
3604 * expr.c (store_expr, store_constructor, get_inner_reference,
3605 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3607 * tree.c (build_range_type): Likewise.
3609 2006-04-04 Tom Tromey <tromey@redhat.com>
3611 * doc/install.texi (Prerequisites): Mention jar.
3613 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3615 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3618 2006-04-04 Matthias Klose <doko@debian.org>
3620 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3621 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3624 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3626 * doc/extend.texi (Function Attributes): Rewrite visibility
3627 attribute documentation.
3628 * doc/invoke.texi (C++ Dialect Options): Rewrite
3629 -fvisibility-inlines-hidden documentation to describe something
3630 entirely different, although in practise compatible.
3631 (Code Gen Options): Warn about system headers in -fvisibility=
3634 * doc/extend.texi (Other Builtins): Document that
3635 __builtin_nan is a compile-time constant only when its argument
3638 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3640 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3641 trying to remove TRUNCATE check if all bits outside the new mode
3642 are identical to the sign bit.
3644 2006-04-03 Jeff Law <law@redhat.com>
3646 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3647 and operand scanning in some common cases.
3649 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3650 Dale Johannesen <dalej@apple.com>
3653 * regclass.c (struct reg_pref): Update documentation.
3654 (regclass): Set prefclass to NO_REGS if memory is the best option.
3655 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3656 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3657 into account. For non-registers, equate an empty preferred
3658 reload class to a `!' in the constraint; move the if clause to
3659 do so after those that reject the insn.
3660 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3662 (find_dummy_reload): Likewise.
3663 * doc/tm.texi (Register Classes): Document what it means
3664 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3665 * config/i386/i386.c (ix86_preferred_reload_class): Force
3666 using SSE registers (and return NO_REGS for floating-point
3667 constants) if math is done with SSE.
3668 (ix86_preferred_output_reload_class): New.
3669 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3670 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3671 * config/i386/i386.md: Remove # register preferences.
3673 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3676 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3677 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3678 the type of nb_iter.
3679 (instantiate_parameters_1): Convert the operands before calling
3680 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3681 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3683 2006-04-02 Roger Sayle <roger@eyesopen.com>
3685 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3686 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3688 * dojump.c (do_jump): Likewise.
3689 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3690 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3691 gimplify_boolean_expr): Likewise.
3692 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3693 * varasm.c (array_size_for_constructor): Likewise.
3694 * tree-object-size.c (compute_object_offset): Likewise.
3696 2006-04-02 Roger Sayle <roger@eyesopen.com>
3699 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3700 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3702 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3704 PR tree-optimization/26939
3705 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3707 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3709 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3710 at_stmt. Convert the type of operands before calling
3711 build_polynomial_chrec.
3712 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3714 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3715 (instantiate_parameters_1): Convert the type of operands before calling
3716 build_polynomial_chrec.
3717 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3718 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3719 reset_evolution_in_loop): Insert asserts to check the types of the
3721 (chrec_type): Moved...
3722 (eq_evolutions_p): Use operand_equal_p.
3723 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3724 the types of the operands.
3725 (chrec_type): ...here.
3726 * tree-data-ref.c (create_data_ref): Convert the operands before
3727 calling chrec_replace_initial_condition.
3728 (same_access_functions, analyze_subscript_affine_affine,
3729 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3730 (compute_subscript_distance, analyze_ziv_subscript,
3731 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3732 analyze_miv_subscript): Convert the operands before calling
3733 chrec_fold_minus or chrec_fold_plus.
3735 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3737 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3738 the dependence_relations vector.
3739 (compute_data_dependences_for_loop): Adjust call to
3740 compute_all_dependences.
3742 2006-04-01 Roger Sayle <roger@eyesopen.com>
3743 Richard Henderson <rth@redhat.com>
3745 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3746 gimple_boolify on the condition before calling gimplify_expr.
3748 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3750 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3751 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3752 the frame size. Update to use the new macros.
3753 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3754 * config/xtensa/ieee754-df.S: Likewise.
3756 2006-03-31 Richard Henderson <rth@redhat.com>
3758 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3759 (make_edges): ... here. Control fallthru creation with a local
3760 variable. Do not play with fake edges.
3761 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3762 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3765 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3767 * dwarf2.h (DW64_CIE_ID): Define.
3768 * dwarf2out.c (DWARF_CIE_ID): Define.
3769 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3770 length header. Use DWARF_CIE_ID.
3771 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3772 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3774 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3776 * config/sh/linux-atomic.asm: New file.
3777 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3779 2006-03-31 DJ Delorie <dj@redhat.com>
3781 * config/m32c/cond.md: Set condition flags properly throughout.
3782 * config/m32c/minmax.md: Likewise.
3783 * config/m32c/prologue.md: Likewise.
3784 * config/m32c/bitops.md: Likewise.
3785 * config/m32c/muldiv.md: Likewise.
3786 * config/m32c/mov.md: Likewise.
3787 * config/m32c/addsub.md: Likewise.
3788 * config/m32c/m32c.md: Likewise.
3789 * config/m32c/jump.md: Likewise.
3790 * config/m32c/shift.md: Likewise.
3792 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3793 conditionally output the pattern for this.
3794 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3795 (m32c_compare_redundant): New.
3796 (m32c_output_compare): New.
3797 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3799 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3800 dest, not src. Allow other 4-byte modes.
3802 2006-03-30 Denis Chertykov <denisc@overta.ru>
3804 * doc/md.texi: Refer to avr/constraints.md instead of
3807 2006-03-30 Roger Sayle <roger@eyesopen.com>
3809 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3810 signed vs. unsigned comparison failures on some hosts.
3812 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3815 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3816 change to FLOAT_REGS.
3818 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3819 (rs6000_override_options): Use it.
3820 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3821 only for -mabi=spe/no-spe and -mabi=altivec.
3823 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3825 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3828 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3830 * Makefile.in: Rename docdir to gcc_docdir.
3832 2006-03-30 Roger Sayle <roger@eyesopen.com>
3835 * expr.c (emit_group_store): Optimize group stores into a pseudo
3836 register by using a paradoxical subreg to initialize the destination
3837 if the first or last member of the group specifies a "low part".
3839 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3842 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3843 * target.h (struct gcc_target.speculate_insn): Change type of the
3844 second parameter to 'int'.
3845 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3846 the second operand of the DEPS_LIST.
3847 (copy_DEPS_LIST_list): Update reference to the second operand of the
3849 * rtl.h (alloc_DEPS_LIST): Update signature.
3850 * sched-int.h (ds_t): Change typedef to 'int'.
3851 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3853 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3855 * haifa-sched.c (try_ready): Change condition to restore
3856 non-speculative pattern of the instruction.
3857 (process_insn_depend_be_in_spec): Code to keep probability of the
3858 speculative dependence non-decreasing.
3860 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3862 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3863 (single_move_for_movmem): ... this. Also change all uses.
3864 (bfin_expand_strmov): Renamed to...
3865 (bfin_expand_movmem): ... this. Also change all uses.
3866 * config/bfin/bfin.md (movstrsi): Renamed to...
3867 (movstrsi): ...this.
3869 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3871 PR tree-optimization/26830
3873 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3874 (copy_prop_visit_stmt): Remove write-only variable ann.
3875 (init_copy_prop): Check variable loop depth here. Do not simulate
3876 memory-tag and virtual operand PHIs except for store copy prop.
3878 2006-03-30 Richard Guenther <rguenther@suse.de>
3880 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3881 variants with double arguments.
3883 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3885 * genpreds.c (write_tm_constrs_h): Delete variable p.
3886 * genconditions.c (write_header): Add tm-constrs.h to included
3888 * genpeep.c (main): Add toplev.h to included headers.
3889 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3890 (build/genpeep.o): Add toplev.h dependency.
3891 * config/rs6000/constraints.md: Add "W" constraint.
3893 2006-03-29 Roger Sayle <roger@eyesopen.com>
3895 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3896 sizes by correctly testing whether the size fits a host integer.
3897 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3898 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3899 SImode range for the default sizetype and bitsizetype.
3901 2006-03-29 Roger Sayle <roger@eyesopen.com>
3903 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3904 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3905 quickly if the argument is already of the correct type.
3906 Call fold_build1 instead of build1. Tidy up blank lines.
3908 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3910 * genemit.c (main): Add tm-constrs.h to included headers.
3911 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3912 * genpeep.c (main): Add tm-constrs.h to included headers.
3913 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3914 (write_tm_constrs_h): this and write complete file.
3915 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3916 (write_insn_preds_c): Add tm-constrs.h to included headers.
3917 (gen_constrs): New variable.
3918 (parse_option): Parse "-c".
3919 (main): Invoke write_tm_constrs_h.
3920 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3921 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3922 (object_out_file): Add tm-constrs.h dependency.
3923 (insn-emit.o): Same.
3924 (insn-output.o): Same.
3925 (insn-peep.o): Same.
3926 (insn-preds.o): Same.
3927 (insn-recog.o): Same.
3928 (tm-constsr.h): New target.
3929 (s-constrs-h): New target.
3931 * config/rs6000/constraints.md: New file.
3932 * config/rs6000/rs6000.c: Include tm-constrs.h.
3933 (num_insn_constant_wide): Convert to satisfies_constraint.
3934 (rs6000_rtx_costs): Convert to satisfies_constraint.
3935 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3936 (CONST_OK_FOR_LETTER_P): Delete.
3937 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3938 (EXTRA_CONSTRAINT): Delete.
3939 (EXTRA_MEMORY_CONSTRAINT): Delete.
3940 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3941 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3942 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3943 satisfies_constraint.
3945 * config/i386/i386.c: Include tm-constrs.h.
3947 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3949 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3950 * tree-data-ref.c (find_data_references_in_loop,
3951 compute_data_dependences_for_loop): Use pointers to VEC.
3952 (analyze_all_data_dependences): Adjust calls.
3953 * tree-data-ref.h (find_data_references_in_loop,
3954 compute_data_dependences_for_loop): Adjust declarations.
3955 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3956 compute_data_dependences_for_loop.
3958 2006-03-29 Paul Brook <paul@codesourcery.com>
3960 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3963 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3965 PR tree-optimization/26859
3966 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3968 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3969 for the step after fold_convert.
3971 2006-03-29 Paul Brook <paul@codesourcery.com>
3973 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3974 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3976 2006-03-29 Paul Brook <paul@codesourcery.com>
3979 * targhooks.c (default_narrow_bitfield): New fuction.
3980 * targhooks.h (default_narrow_bitfield): add prototype.
3981 * target.h (gcc_target): Add narrow_volatile_bitfield.
3982 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3983 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3984 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3985 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3987 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3989 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3991 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3992 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3993 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3994 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3995 (s390_function_arg_float): Allow SDmode and DDmode values to be
3996 passed in floating point registers.
3997 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3998 check with SCALAR_FLOAT_MODE_P.
3999 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4001 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4003 PR tree-optimization/25985
4004 * tree-ssa-loop-niter.c (number_of_iterations_le,
4005 number_of_iterations_ne): Make comments more precise.
4006 (number_of_iterations_cond): Add only_exit argument. Use the
4007 fact that signed variables do not overflow only when only_exit
4009 (loop_only_exit_p): New.
4010 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4011 number_of_iterations_cond.
4013 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4015 PR tree-optimization/26643
4016 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4019 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4021 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4022 (divsi3_i4_int): Likewise.
4024 2006-03-28 Roger Sayle <roger@eyesopen.com>
4026 * expr.c (emit_group_store): Only create a new pseudo reg if the
4027 quantity it needs to hold isn't already a suitable pseudo.
4029 2006-03-28 Jeff Law <law@redhat.com>
4031 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4032 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4034 2006-03-28 Roger Sayle <roger@eyesopen.com>
4036 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4037 the equivalent ~X & Y, and the symmetry related transformations.
4038 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4039 ~X & Y, and symmetry related transforms.
4041 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4043 Revert my 2006-03-27 patches.
4045 2006-03-28 Roger Sayle <roger@eyesopen.com>
4047 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4048 ~(T1)X, when T1 and T2 are integer types of the same precision
4049 and (T2)X isn't an extension.
4051 2006-03-28 Jeff Law <law@redhat.com>
4053 PR tree-optimization/26796
4054 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4055 need EH edge cleanups rather than purging them immediately.
4056 (eliminate_degenerate_phis): Handle queued EH cleanups.
4058 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4060 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4063 2006-03-27 Roger Sayle <roger@eyesopen.com>
4066 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4067 cast BIT_NOT_EXPR operand to the correct type.
4069 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4071 * tree-loop-linear.c: Don't include varray.h.
4072 (gather_interchange_stats, try_interchange_loops,
4073 linear_transform_loops): Use VEC instead of VARRAY.
4074 * lambda-mat.c: Don't include varray.h.
4075 * tree-chrec.c: Same.
4076 * lambda-trans.c: Same.
4077 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4078 VEC instead of VARRAY.
4079 * tree-vectorizer.h: Idem.
4080 * tree-data-ref.c (dump_data_references,
4081 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4082 initialize_data_dependence_relation, finalize_ddr_dependent,
4083 compute_all_dependences, find_data_references_in_loop,
4084 compute_data_dependences_for_loop, analyze_all_data_dependences,
4085 free_dependence_relation, free_dependence_relations,
4086 free_data_refs): Idem.
4087 * tree-data-ref.h (data_reference_p, subscript_p): New.
4088 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4089 VEC instead of VARRAY.
4090 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4091 (find_data_references_in_loop, compute_data_dependences_for_loop,
4092 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4093 dump_data_dependence_relations, free_dependence_relations,
4094 free_data_refs): Adjust declaration.
4095 (lambda_transform_legal_p): Move declaration here...
4096 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4097 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4098 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4099 vect_analyze_data_refs): Use VEC instead of VARRAY.
4100 * lambda.h (lambda_transform_legal_p): ...from here.
4101 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4102 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4103 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4104 tree-chrec.o): Don't depend on VARRAY_H.
4106 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4108 * rtl.def (Copyright): Update date.
4109 (DEPS_LIST): Change type of the second operand to 'int'.
4110 * target.h (Copyright): Update date.
4111 (struct gcc_target.speculate_insn): Change type of the second parameter
4113 * lists.c (Copyright): Update date.
4114 (alloc_DEPS_LIST): Change signature. Update reference to the second
4115 operand of the DEPS_LIST.
4116 (copy_DEPS_LIST_list): Update reference to the second operand of the
4118 * rtl.h (Copyright): Update date.
4119 (alloc_DEPS_LIST): Update signature.
4120 * sched-int.h (Copyright): Update date.
4121 (ds_t): Change typedef to 'int'.
4122 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4124 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4126 * haifa-sched.c (Copyright): Update date.
4127 (try_ready): Change condition to restore non-speculative pattern
4129 (process_insn_depend_be_in_spec): Code to keep probability of the
4130 speculative dependence non-decreasing.
4132 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4134 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4135 shut up the compiler.
4137 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4139 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4140 to use lib prefix for target.
4141 ($(T)libic_invalidate_array_4-200.a): Likewise.
4142 ($(T)libic_invalidate_array_4a.a): Likewise.
4144 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4145 J"orn Rennecke <joern.rennecke@st.com>
4147 * superh.opt: New file.
4148 * sh.c (boardtype, osruntime): Remove.
4149 * superh.h (SUBTARGET_OPTIONS): Remove.
4150 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4152 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4153 arguments with ^ and/or [].
4155 * config.gcc (sh-*-*): Add quoting to account for quirk of
4157 Replace == with = in enable_incomplete_targets test.
4159 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4160 with MASK_LITTLE_ENDIAN.
4162 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4163 * config/sh/sh.opt: Added to some comments.
4164 * config/sh/superh.h: Removed some chaff.
4166 * config/sh/sh.opt: Add m4-[1234]00* options.
4167 * config/sh/sh.c (sh_handle_option): Likewise.
4168 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4169 (ic_invalidate_array_4-100.o): New rule.
4170 ($(T)libic_invalidate_array_4-100.a): Likewise.
4171 (ic_invalidate_array_4-200.o): Likewise.
4172 ($(T)libic_invalidate_array_4-200.a): Likewise.
4173 (ic_invalidate_array_4a.o): Likewise.
4174 ($(T)libic_invalidate_array_4a.a): Likewise.
4175 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4176 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4178 * config/sh/crt1.asm: Merged in profiling code.
4179 * config/sh/superh.h (STARTFILE_SPEC): Override.
4180 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4181 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4182 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4184 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4185 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4186 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4188 * sh.opt (mpretend-cmove): New option.
4189 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4190 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4191 (movsicc): Add TARGET_PRETEND_CMOVE code.
4193 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4195 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4196 s390_class_max_nregs): New function prototypes.
4197 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4198 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4199 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4200 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4202 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4204 * dwarf2out.c (add_location_or_const_value_attribute): Call
4205 tree_add_const_value_attribute if nothing else works.
4206 (reference_to_unused): New.
4207 (rtl_for_decl_init): Use reference_to_unused to decide whether
4208 to output an initializer.
4210 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4213 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4214 peephole removing spe frob_di_df_2.
4216 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4218 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4219 (subscript_dependence_tester_1): Declared.
4220 (print_dir_vectors, print_dist_vectors): New.
4221 (debug_data_dependence_relation): New.
4222 (dump_data_dependence_relation): Print more details.
4223 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4224 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4225 (save_dist_v, save_dir_v, add_outer_distances,
4226 build_classic_dist_vector_1): New.
4227 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4228 Don't test for lambda_vector_lexico_pos.
4229 (same_access_functions, add_multivariate_self_dist,
4230 add_other_self_distances, dir_from_dist): New.
4231 (build_classic_dir_vector): Replace implementation almost identical to
4232 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4234 (subscript_dependence_tester_1): New.
4235 (subscript_dependence_tester): Handle the lexicographically negative
4236 distance vectors by recomputing the dependence relation.
4237 (compute_affine_dependence): Remove parameter loop_nest_depth.
4238 (compute_self_dependence): Don't call compute_subscript_distance.
4239 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4240 Add a parameter for the loop_nest.
4241 (find_loop_nest_1, find_loop_nest): New.
4242 (compute_data_dependences_for_loop): Compute the loop nest, and give
4243 up if the nest is not well formed.
4244 * tree-data-ref.h (loop_p): New.
4245 (struct data_dependence_relation): Replace size_vect field with
4246 loop_nest, a vec of loops.
4247 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4248 (DDR_LOOP_NEST): New.
4249 (print_dir_vectors, print_dist_vectors,
4250 debug_data_dependence_relation): Declared.
4251 (index_in_loop_nest): New.
4252 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4253 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4256 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4258 * simplify-rtx.c (simplify_relational_operation): Call
4259 simplify_relational_operation_1 even if mode is VOIDmode.
4261 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4263 PR tree-optimization/26804
4264 * tree.h (DECL_CALL_CLOBBERED): New macro.
4265 (tree_decl_common): Add call_clobbered_flag.
4266 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4267 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4268 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4269 (mark_non_addressable): Ditto.
4270 * tree-ssa.c (verify_call_clobbered): New function.
4271 (verify_alias_info): Use it.
4272 * tree-pass.h (pass_reset_cc_flags): New prototype.
4273 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4274 (reset_cc_flags): New function.
4275 * passes.c (init_optimization_passes): Call reset_cc_flags after
4276 initializing referenced_vars.
4278 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4279 Roger Sayle <roger@eyesopen.com>
4282 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4283 to 1.0 for non-real operands. Implement A / A optimization for
4286 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4288 * config/i386/i386.c (size_cost): Correct the comment for
4289 cost of storing fp registers.
4290 (i386_cost): Likewise.
4291 (i486_cost): Likewise.
4292 (pentium_cost): Likewise.
4293 (pentiumpro_cost): Likewise.
4294 (k6_cost): Likewise.
4295 (athlon_cost): Likewise.
4296 (k8_cost): Likewise.
4297 (pentium4_cost): Likewise.
4298 (nocona_cost): Likewise.
4299 (generic64_cost): Likewise.
4300 (generic32_cost): Likewise.
4302 2006-03-24 Denis Chertykov <denisc@overta.ru>
4304 * config/avr/avr-protos.h (extra_constraint): Delete.
4305 (extra_constraint_Q): New declaration.
4306 * config/avr/constraints.md: New file.
4307 * config/avr/avr.md: Include it.
4308 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4309 (TMP_REGNO, ZERO_REGNO): Likewise.
4310 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4311 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4312 (extra_constraint): Delete.
4313 (extra_constraint_Q): Test for memory constraint 'Q'.
4314 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4315 (REG_CLASS_FROM_LETTER): Delete.
4316 (CONST_OK_FOR_LETTER_P): Delete.
4317 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4318 (EXTRA_CONSTRAINT): Delete.
4319 (TMP_REGNO): Delete.
4320 (ZERO_REGNO): Delete.
4322 2006-03-24 Jeff Law <law@redhat.com>
4324 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4325 directly. Call mark_new_vars_to_rename slightly earlier.
4327 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4329 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4331 (gen_compile_unit_die): Use new language types for Objective-C and
4333 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4334 DW_LANG_C_plus_plus.
4337 * config/t-darwin (crt3.o): Work around bug 26840.
4338 * config/darwin-crt3.c: Rewrite.
4339 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4341 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4343 * doc/invoke.texi: Document -femit-class-debug-always
4344 * common.opt: Add -femit-class-debug-always.
4346 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4348 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4349 index and base register.
4350 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4351 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4352 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4353 REGNO_OK_FOR_INDEX_P.
4354 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4356 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4357 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4358 REG_OK_FOR_BASE_P): Definitions removed.
4360 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4363 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4364 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4365 set yet or weren't marked as local yet.
4367 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4369 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4372 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4374 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4375 (rs6000_legitimate_small_data_p): Delete.
4376 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4377 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4378 and make static. Add forward declaration. Update uses.
4379 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4380 of offsettable_memref_p.
4381 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4382 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4384 2006-03-24 Jeff Law <law@redhat.com>
4386 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4387 around bug in immediate-use iterator.
4389 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4392 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4393 or __LITTLE_ENDIAN__.
4395 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4397 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4398 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4399 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4400 * config/sh/sh.opt (mdiv=): Amend description.
4401 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4402 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4403 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4404 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4405 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4406 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4407 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4408 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4409 TARGET_DIVIDE_CALL_FP.
4411 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4413 * haifa-sched.c (choose_ready): Fix type of the local variable.
4414 Move local variables. Add comment.
4415 (check_reg_live): Change signature. Make callable from debugger.
4416 * sched-int.h (check_reg_live): Update signature.
4417 * sched-ebb.c (check_reg_live): Update parameters.
4418 * sched-rgn.c (check_reg_live): Ditto.
4419 (region_head_or_leaf_p): Check pointer before dereferencing.
4420 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4421 before reload on optimization levels below 1.
4423 2006-03-23 Richard Henderson <rth@redhat.com>
4425 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4429 * config/alpha/predicates.md (local_symbolic_operand): Reject
4432 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4435 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4436 expressions which have overflowed constants.
4438 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4440 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4442 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4444 * cfgloopmanip.c (create_loop_notes): Removed.
4445 * final.c (final_scan_insn): Do not handle loop notes.
4446 * jump.c (squeeze_notes): Ditto.
4447 * cfglayout.c (skip_insns_after_block,
4448 duplicate_insn_chain): Ditto.
4449 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4451 * cfgloop.h (create_loop_notes): Declaration removed.
4453 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4455 * varasm.c (output_constant_pool): Restore fnname and fndecl
4457 (assemble_start_function): Adjust call accordingly.
4458 (assemble_end_function): Likewise.
4460 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4463 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4466 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4468 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4471 * system.h (ICE_EXIT_CODE): New macro.
4472 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4473 (diagnostic_action_after_output): Likewise.
4474 * gcc.c (fatal_ice): New function.
4475 (execute): Use it instead of fatal.
4476 (fancy_abort): Likewise.
4477 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4479 2006-03-22 Jeff Law <law@redhat.com>
4481 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4482 iv_analyze_result returning false.
4484 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4486 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4488 2006-03-22 Richard Henderson <rth@redhat.com>
4491 * except.c (duplicate_eh_regions_0): New.
4492 (duplicate_eh_region_1): Duplicate the children of the node as
4493 well as the node itself. Link them up properly.
4494 (duplicate_eh_region_2): Merge into ...
4495 (duplicate_eh_regions): ... here. Take copy_region argument, and
4496 copy only a sub-tree if asked. Simplify copying and fixup.
4497 (eh_region_outer_p): New.
4498 * except.h (duplicate_eh_regions): Update decl.
4499 (eh_region_outer_p): Declare.
4500 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4501 (lower_omp_master): Likewise.
4502 (lower_omp_ordered): Likewise.
4503 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4504 (move_stmt_r): Use it to remap labels. Handle recursion vs
4505 remap_decls_p properly.
4506 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4507 (find_outermost_region_in_block): New.
4508 (new_label_mapper): New.
4509 (move_sese_region_to_fn): Copy eh information to the new function
4511 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4513 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4516 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4518 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4519 into shared libraries.
4521 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4523 * doc/md.texi: Refer to i386/constraints.md instead of
4525 * config/i386/constraints.md: New file, extracted from...
4526 * config/i386/predicates.md: ...here.
4527 * config/i386/i386.md: Include constraints.md.
4529 2006-03-21 Jason Merrill <jason@redhat.com>
4531 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4534 * expr.c (init_block_move_fn): Force default visibility.
4535 (init_block_clear_fn): Likewise.
4536 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4537 * targhooks.c (default_external_stack_protect_fail): Likewise.
4539 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4541 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4542 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4543 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4544 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4545 (loadgp): Use mips_current_loadgp_style.
4546 (loadgp_noshared): New pattern.
4547 (sibcall_internal): Use MIPS_CALL.
4548 (sibcall_value_internal): Likewise.
4549 (sibcall_value_multiple_internal): Likewise.
4550 (call_internal): Likewise.
4551 (call_value_internal): Likewise.
4552 (call_value_multiple_internal): Likewise.
4553 (call_split): Use MIPS_CALL and add an 'S' constraint.
4554 (call_value_split): Likewise.
4555 (call_value_multiple_split): Likewise.
4556 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4557 (-mshared): New option.
4558 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4559 (mips_current_loadgp_style): Declare.
4560 * config/mips/mips.c (mips_classify_symbol): Avoid using
4561 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4562 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4563 TARGET_ABSOLUTE_ABICALLS.
4564 (override_options): Adjust comments. Improve the warning that is
4565 issued when -mabicalls and -G are used together.
4566 (mips_file_start): Remove comment.
4567 (mips_current_loadgp_style): New function.
4568 (mips_gnu_local_gp): New variable.
4569 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4571 (mips_output_function_prologue): Use mips_current_laodgp_style.
4572 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4573 the cprestore instruction.
4574 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4575 live for TARGET_ABSOLUTE_ABICALLS.
4576 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4577 (ASM_SPEC): Pass down -mshared and -mno-shared.
4578 (MIPS_CALL): New macro.
4579 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4581 * doc/invoke.texi (-mabicalls): Update documentation.
4582 (-mshared): Document.
4584 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4586 * config/ia64/unwind-hpux.c: New file.
4587 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4589 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4592 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4594 2006-03-21 Jeff Law <law@redhat.com>
4596 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4597 type conversions of a VR_VARYING source to a wider type.
4599 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4601 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4602 tm_file on Solaris 10 and later.
4603 (sparc64-*-solaris2*): Likewise.
4604 (sparc-*-solaris2*): Likewise.
4605 * config/sol26.h: Rename to config/sol2-6.h.
4606 * config/sol2-10.h: New file.
4608 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4611 * tree-ssa-pre.c (create_component_ref_by_pieces):
4614 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4617 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4618 return it immediately.
4620 2006-03-21 Michael Matz <matz@suse.de>
4622 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4624 (remove_arc, add_arc): Update num_out_arcs member.
4625 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4627 (cache_presence): New function.
4628 (compare_states_for_equiv): New function.
4629 (state_is_differed): Don't take number of outargs, adjust callers.
4630 Use new invariant for speeding up.
4631 (init_equiv_class): Create initial classes based on sorted
4633 (partition_equiv_class): Don't track out_arcs_num.
4634 (evaluate_equiv_classes): Call cache_presence on all states and
4637 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4639 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4640 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4641 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4642 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4644 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4645 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4646 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4647 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4648 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4650 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4651 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4652 (REGNO_REG_CLASS): ARGP is in PREGS.
4653 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4655 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4656 to deal with those addresses.
4657 * addresses.h: New file.
4658 * caller-save.c: Include "addresses.h".
4659 (init_caller_save): Use new base_reg_class function.
4660 * rtl-factoring.c: Include "addresses.h".
4661 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4662 * recog.c: Include "addresses.h".
4663 (preprocess_constraints): Use new base_reg_class function.
4664 * regrename.c: Include "addresses.h".
4665 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4666 functions. Keep track of a new var INDEX_CODE to compute valid
4668 (replace_oldest_value_addr): Likewise.
4669 (replace_oldest_value_mem): Use base_reg_class.
4670 * reload.c: Include "addresses.h".
4671 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4672 (find_reloads): Use new base_reg_class function.
4673 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4674 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4675 all callers and prototype changed.
4676 * reload1.c: Include "addresses.h".
4677 (maybe_fix_stack_asms): Use base_reg_class.
4678 * regclass.c: Include "addresses.h".
4679 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4680 (init_reg_autoinc): Use new base_reg_class function.
4681 (record_reg_classes): Likewise.
4682 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4683 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4684 Use new args to compute necessary class.
4686 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4687 regrename.o, rtl-factoring.o): Update dependencies.
4688 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4689 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4690 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4691 REG_OK_FOR_INDEX_P): Delete documentation.
4693 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4695 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4696 from V7 to V9 for Solaris 7 and above.
4698 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4700 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4701 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4702 argument pointers may not alias any other storage.
4703 * common.opt: Define option -fargument-noalias-anything.
4704 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4705 alias semantics is specified by flag_argument_noalias > 2.
4707 2006-03-20 Jeff Law <law@redhat.com>
4709 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4710 (pass_phi_only_cprop): Declare.
4711 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4713 * tree-ssa-dom.c (degenerate_phi_result): New function.
4714 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4715 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4716 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4717 (eliminate_degenerate_phis): Likewise.
4718 (pass_phi_only_cprop): New pass descriptor.
4719 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4720 support code. Callers updated.
4721 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4722 (store_copy_prop): Likewise.
4723 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4725 2006-03-20 Jason Merrill <jason@redhat.com>
4728 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4729 (push_visibility, pop_visibility): Likewise.
4730 * c-pragma.h: Declare them.
4732 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4734 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4736 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4737 parameter and use get_ebb_head_tail.
4738 (sh_md_init_global): Adjust uses of find_regmode_weight.
4740 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4742 * function.h (struct function) <x_tail_recursion_reentry>:
4743 Rename to x_stack_check_probe_note.
4744 (tail_recursion_reentry): Rename to stack_check_probe_note.
4745 * function.c: Replace tail_recursion_reentry with
4746 stack_check_probe_note everywhere.
4747 (expand_function_start): Only emit a note for
4748 stack_check_probe_note with -fstack-protect.
4749 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4751 * emit-rtl.c (remove_unnecessary_notes): Remove.
4752 (pass_remove_unnecessary_notes): Remove.
4753 * rtl.h (remove_unnecessary_notes): Remove prototype.
4754 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4755 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4756 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4758 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4761 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4762 (valid_in_set): Handle ARRAY_REF.
4763 Change "if min_variant or VH" to asserts.
4764 (create_component_ref_by_pieces): Handle ARRAY_REF.
4765 (create_expression_by_pieces): Likewise.
4766 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4768 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4770 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4771 is operand of switch, not str[0].
4773 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4775 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4776 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4778 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4780 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4781 end of insn_extra_address_constraint declaration.
4783 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4785 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4786 (no-sum-in-toc): Same.
4787 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4789 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4790 NO_FP_IN_TOC for -fPIC instead of mask.
4792 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4793 (BOOT_LDFLAGS): Delete.
4795 * config/rs6000/t-aix52: Same.
4797 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4798 (stmsi[345678]_power): New.
4800 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4802 * config/ia64/ia64.opt: Add empty line to end of file.
4804 2006-03-17 Richard Guenther <rguenther@suse.de>
4807 * builtins.c (get_pointer_alignment): For component style references
4808 adjust alignment to the component type alignment. Make sure
4809 to adjust alignment for component access of constants.
4811 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4813 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4816 2006-03-17 Paul Brook <paul@codesourcery.com>
4818 * doc/install.texi: Docuemnt --with-mode.
4819 * config.gcc: Add --with-mode for arm*-*-*.
4820 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4822 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4824 * sh.c (max_labelno_before_reorg): New variable.
4825 (sh_reorg): Initialize it.
4826 (find_barrier): Check max_labelno_before_reorg before using
4827 label_to_alignment. Take length of explicit alignment insns
4828 into account. When seeing a UNSPECV_CONST_END, return it.
4830 * sh.c (fixup_mova): Set mode of affected label to QImode.
4831 (untangle_mova): New function.
4832 (find_barrier): Use it. Check mode of label before decrementing
4834 (sh_reorg): Likewise.
4835 Set mode of all insns back to VOIDmode.
4837 * sh.c (MOVA_LABELREF): New macro.
4838 (mova_p, fixup_mova, sh_reorg): Use it.
4839 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4840 ADDR_DIFF_VEC matches mova.
4842 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4844 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4845 with ATTRIBUTE_UNUSED.
4847 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4849 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4850 pointer, instead of assuming it is possible to derive the
4851 correct args size from a call insn.
4853 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4855 * rtl.h (CONST_INT_P): Define.
4856 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4857 instead of GET_CODE(x) == CONST_INT.
4858 (vax_rtx_costs): Likewise.
4859 (vax_output_int_move): Likewise.
4860 (vax_output_int_add): Likewise.
4861 (legitimate_constant_address_p): Likewise.
4862 (index_term_p): Likewise.
4863 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4864 * config/vax/vax.md (and<mode>3): Likewise.
4865 (ashrsi3): Likewise.
4867 (movstricthi): Likewise.
4868 (movstrictqi): Likewise.
4869 (rotrsi3): Likewise.
4870 (five unnamed insns): Likewise.
4872 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4874 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4875 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4876 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4877 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4878 Pass to ASM_OUTPUT_DWARF_OFFSET.
4879 * dwarf2out.c (debug_frame_section): New.
4880 (output_call_frame_info): Use debug_frame_section. Pass it to
4881 dw2_asm_output_offset.
4882 (output_die): Pass appropriate section to dw2_asm_output_offset.
4883 (output_compilation_unit_header): Likewise.
4884 (output_pubnames): Likewise.
4885 (output_aranges): Likewise.
4886 (enum dw_val_class): Break dw_val_class_lbl_offset into
4887 dw_val_class_lineptr and dw_val_class_macptr.
4888 (add_AT_lbl_offset): Delete.
4889 (add_AT_lineptr): New.
4890 (add_AT_macptr): New.
4891 (AT_lbl): Expect a lineptr or macptr.
4892 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4893 (attr_checksum): Likewise.
4894 (same_dw_val_p): Likewise.
4895 (size_of_die): Likewise.
4896 (value_format): Likewise.
4897 (output_die): Likewise.
4898 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4900 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4901 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4902 * config/darwin-protos.h (darwin_file_start): New.
4903 (darwin_asm_output_dwarf_offset): New.
4904 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4905 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4907 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4908 if not EH section; simplify.
4909 (darwin_file_start): New.
4910 (darwin_asm_output_dwarf_offset): New.
4911 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4913 (DEBUG_INFO_SECTION): Likewise.
4914 (DEBUG_ABBREV_SECTION): Likewise.
4915 (DEBUG_ARANGES_SECTION): Likewise.
4916 (DEBUG_MACINFO_SECTION): Likewise.
4917 (DEBUG_LINE_SECTION): Likewise.
4918 (DEBUG_LOC_SECTION): Likewise.
4919 (DEBUG_PUBNAMES_SECTION): Likewise.
4920 (DEBUG_STR_SECTION): Likewise.
4921 (DEBUG_RANGES_SECTION): Likewise.
4922 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4923 (ASM_OUTPUT_DWARF_OFFSET): New.
4925 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4927 * config.gcc (tm_defines): Always add to previous value rather
4930 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4932 * config/mips/predicates.md (splittable_const_int_operand): New,
4933 split from move_operand.
4934 (splittable_symbolic_operand): New.
4935 (move_operand): Add commentary. Use splittable_const_int_operand.
4936 Inline mips_atomic_symbolic_constant_p.
4937 * config/mips/mips.md: Add combine splitters for handling moves
4938 of splittable_const_int_operands and splittable_symbolic_operands.
4939 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4940 (mips_split_symbol): Declare.
4941 (mips_move_integer): Declare.
4942 * config/mips/mips.c (mips_split_p): Make global.
4943 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4944 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4945 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4946 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4947 (mips_offset_within_object_p): Handle block symbols.
4948 (mips_atomic_symbolic_constant_p): Delete.
4949 (mips_cannot_force_const_mem): Return false for constants that
4950 mips_legitimize_move can handle.
4951 (mips_use_blocks_for_constant_p): New function.
4952 (mips_split_symbol): Make global.
4953 (mips_move_integer): Likewise. Add a temporary register argument.
4954 (mips_legitimize_const_move): Use splittable_const_int_operand and
4955 splittable_symbolic_operand.
4956 (mips_use_anchors_for_symbol_p): New function.
4957 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4958 (mips_split_p): Declare.
4960 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4962 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4963 (mips*-*-linux*): Likewise.
4965 2006-03-16 Roger Sayle <roger@eyesopen.com>
4966 Daniel Speyer <dspeyer@wam.umd.edu>
4969 * tree-dump.c (dump_real): New function.
4970 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4971 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4972 (tree-dump.o): Add $(REAL_H) to the dependencies.
4974 2006-03-16 Roger Sayle <roger@eyesopen.com>
4977 * real.c (real_from_string): If the mantissa is zero, don't bother
4978 parsing the exponent as the result should always be zero.
4980 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4982 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4984 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4986 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4987 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4988 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4989 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4990 ia64_sched_finish_global): New static functions to implement
4991 hooks from gcc_target.sched.
4992 (spec_check_no, max_uid, pending_data_specs): New static variables.
4993 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4994 ia64_spec_check_src_p): New static functions.
4995 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4996 (TARGET_SCHED_ADJUST_COST): Removed.
4997 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4998 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4999 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5000 TARGET_SCHED_GEN_CHECK,
5001 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5002 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5003 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5004 Fixed to handle speculation checks.
5005 (rtx_needs_barrier): Fixed to handle speculative loads and
5007 (ia64_variable_issue): Added code to count speculative loads and their
5009 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5011 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5013 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5015 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5016 (ia64_reorg): Reset stops_p to NULL after it is freed.
5017 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5018 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5019 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5021 (data_speculative, control_speculative, check_load): New attributes.
5022 (mov<mode>_advanced, mov<mode>_speculative,
5023 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5024 zero_extend<mode>di2_speculative,
5025 zero_extend<mode>di2_speculative_advanced): New patterns for
5026 data and control speculative loads.
5027 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5029 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5030 New pattern for data and control speculation checks.
5031 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5032 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5033 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5034 Auxiliary definitions for the patterns.
5035 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5036 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5038 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5040 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5041 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5042 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5043 New resource constraints.
5044 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5046 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5047 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5048 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5049 msched-in-control-spec, msched-ldc, msched-control-ldc,
5050 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5051 msched-prefer-non-control-spec-insns,
5052 msched-count-spec-in-critical-path): New flags to tune speculative
5054 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5055 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5056 msched-in-control-spec, msched-ldc, msched-control-ldc,
5057 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5058 msched-prefer-non-control-spec-insns,
5059 msched-count-spec-in-critical-path): Document new flags.
5061 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5063 * target.h (struct spec_info_def): New opaque declaration.
5064 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5065 speculate_insn, needs_block_p, gen_check,
5066 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5067 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5068 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5069 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5070 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5071 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5073 (TARGET_SCHED): Use new macros.
5074 * rtl.h (copy_DEPS_LIST_list): New prototype.
5075 * sched-int.h (struct sched_info): Change signature of new_ready field,
5076 adjust all initializations. New fields: add_remove_insn,
5077 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5078 region_head_or_leaf_p.
5079 (struct spec_info_def): New structure declaration.
5080 (spec_info_t): New typedef.
5081 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5082 recovery_block, orig_pat.
5083 (glat_start, glat_end): New variables declaraions.
5084 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5086 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5087 DETACH_LIFE_INFO, USE_GLAT.
5088 (enum SPEC_SCHED_FLAGS): New enumeration.
5089 (NOTE_NOTE_BB_P): New macro.
5090 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5091 attach_life_info, debug_spec_status, check_reg_live): New functions.
5092 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5093 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5095 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5096 * ddg.c (get_block_head_tail): Adjust all uses.
5097 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5098 (sms_sched_info): Initialize new fields.
5099 (contributes_to_priority): Removed.
5100 * haifa-sched.c (params.h): New include.
5101 (get_block_head_tail): Adjust all uses.
5102 (ISSUE_POINTS): New macro.
5103 (glat_start, glat_end): New global variables.
5104 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5105 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5106 old_last_basic_block, before_recovery, current_sched_info_var,
5107 rgn_n_insns, luid): New static variables.
5108 (insn_cost1): New function. Move logic from insn_cost to here.
5109 (find_insn_reg_weight1): New function. Move logic from
5110 find_insn_reg_weight to here.
5111 (reemit_notes, move_insn, max_issue): Change signature.
5112 (move_insn1): Removed.
5113 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5114 extend_bb): New static functions to support extension of scheduler's
5116 (generate_recovery_code, process_insn_depend_be_in_spec,
5117 begin_speculative_block, add_to_speculative_block,
5118 init_before_recovery, create_recovery_block, create_check_block_twin,
5119 fix_recovery_deps): New static functions to support
5120 generation of recovery code.
5121 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5122 restore_bb_notes, move_block_after_check, move_succs): New static
5123 functions to support ebb scheduling.
5124 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5125 functions to support handling of register live information.
5126 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5127 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5128 add_jump_dependencies): New static functions.
5129 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5130 consistancy checking.
5131 (debug_spec_status): New function to call from debugger.
5132 (priority): Added code to handle speculation checks.
5133 (rank_for_schedule): Added code to distinguish speculative instructions.
5134 (schedule_insn): Added code to handle speculation checks.
5135 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5136 Fixed to handle ebbs.
5137 (move_insn): Added code to handle ebb scheduling.
5138 (max_issue): Added code to use ISSUE_POINTS of instructions.
5139 (choose_ready): Added code to choose between speculative and
5140 non-speculative instructions.
5141 (schedule_block): Added code to handle ebb scheduling and scheduling of
5142 speculative instructions.
5143 (sched_init): Initialize new variables.
5144 (sched_finish): Free new variables. Print statistics.
5145 (try_ready): Added code to handle speculative instructions.
5146 * lists.c (copy_DEPS_LIST_list): New function.
5147 * sched-deps.c (extend_dependency_caches): New function. Move logic
5148 from create_dependency_caches to here.
5149 (get_dep_weak, ds_merge): Make global.
5150 * genattr.c (main): Code to output prototype for
5151 dfa_clear_single_insn_cache.
5152 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5153 (output_dfa_clean_insn_cache_func): Code to output
5154 dfa_clear_single_insn_cache function.
5155 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5157 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5159 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5160 New static variables.
5161 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5162 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5164 (ebb_sched_info): Initialize new fields.
5165 (get_block_head_tail): Adjust all uses.
5166 (compute_jump_reg_dependencies): Fixed to use glat_start.
5167 (schedule_ebb): Code to remove unreachable last block.
5168 (schedule_ebbs): Added code to update register live information.
5169 * sched-rgn.c (region_sched_info): Initialize new fields.
5170 (get_block_head_tail): Adjust all uses.
5171 (last_was_jump): Removed. Adjust users.
5172 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5173 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5174 Implement new hooks.
5175 (check_dead_notes1): New static function.
5176 (struct region): New fields: dont_calc_deps, has_real_ebb.
5177 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5178 (BB_TO_BLOCK): Fixed to handle EBBs.
5179 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5180 (ebb_head): New static variable.
5181 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5182 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5184 (compute_dom_prob_ps): New assertion.
5185 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5186 global_live_at_start.
5187 (init_ready_list): New assertions.
5188 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5189 (new_ready): Add support for BEGIN_CONTROL speculation.
5190 (schedule_insns): Fixed code that updates register live information
5192 (schedule_region): Fixed to handle EBBs.
5193 (init_regions): Use extend_regions and check_dead_notes1.
5194 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5195 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5196 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5197 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5198 TARGET_SCHED_GEN_CHECK,
5199 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5200 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5201 * doc/invoke.texi (max-sched-insn-conflict-delay,
5202 sched-spec-prob-cutoff): Document.
5204 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5206 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5207 inter_tick, queue_index.
5208 (struct sched_info): Change signature of init_ready_list field.
5209 Adjust all initializations.
5210 (RESOLVED_DEPS): New access macro.
5211 (ready_add): Remove prototype.
5212 (try_ready): Add prototype.
5213 * sched-rgn.c (init_ready_list): Use try_ready.
5214 (schedule_region): Initialize
5215 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5216 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5217 (init_ready_list): Use try_ready.
5218 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5219 * lists.c (remove_list_elem): Remove `static'.
5220 (remove_free_INSN_LIST_elem): New function.
5221 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5222 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5223 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5225 (readyp): New variable.
5226 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5227 change_queue_index, resolve_dep): New static functions.
5228 (try_ready): New function. Adjust callers in sched-rgn.c and
5229 sched-ebb.c to use it instead of ready_add.
5230 (clock_var): Move at the begining of file.
5231 (rank_for_schedule): Fix typo.
5232 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5233 (ready_lastpos): Enforce assertion.
5234 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5236 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5237 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5238 (queue_to_ready): Use free_INSN_LIST_list.
5239 (early_queue_to_ready): Fix typo.
5240 (schedule_block): Init readyp. Move init_ready_list call after the
5241 initialization of clock_var. Fix error in rejecting insn by
5242 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5243 that previously corrected INSN_TICKs. Add code for handling
5245 (set_priorities): Fix typo.
5246 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5247 Clarify comment and code that keeps current_sched_info->next_tail
5250 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5252 * sched-rgn.c (extend_rgns): New static function.
5253 (find_rgns): Use it.
5254 (gather_region_statistics, print_region_statistics): New static
5256 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5257 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5259 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5260 Andrey Belevantsev <abel@ispras.ru>
5262 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5263 * lists.c (unused_deps_list): New variable.
5264 (free_list): Add assertions to verify the proper distinguishing
5265 between INSN_LISTs and DEPS_LISTs.
5266 (find_list_elem, remove_list_elem, remove_list_node): New static
5268 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5269 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5270 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5271 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5273 (free_INSN_LIST_node): Likewise.
5274 * modulo-sched.c (current_sched_info): Initialize flags field.
5275 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5276 * rtl.def (DEPS_LIST): Define.
5277 * rtl.h: Declare new functions from lists.c.
5278 * sched-deps.c (spec_dependency_cache): New static variable.
5279 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5280 (add_dependence): Change return type to void. Move the logic to ...
5281 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5282 (delete_all_dependences): Add comment about forward_dependency_cache.
5283 Handle spec_dependency_cache. Handle DEPS_LISTs.
5284 (fixup_sched_groups): Clarify the change of priority of output
5285 and anti dependencies.
5286 (sched_analyze_2): Adjust add_dependence calls to create data
5287 speculative dependence.
5288 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5289 Adjust all callers. Handle DEPS_LISTS.
5290 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5291 presence of speculation.
5292 (init_dependency_caches, free_dependency_caches):
5293 Handle spec_dependency_cache.
5294 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5295 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5296 New static functions.
5297 (add_or_update_back_dep, add_or_update_back_forw_dep,
5298 add_back_forw_dep, delete_back_forw_dep): New functions.
5299 * sched-int.h (ds_t, dw_t): New typedefs.
5300 (struct sched_info): Add new field flags.
5301 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5302 Prototype new sched-deps.c functions.
5303 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5304 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5305 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5306 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5307 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5308 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5310 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5312 * sched-rgn.c (current_sched_info): Initialize flags field.
5313 (schedule_insns): Initialize current_sched_info before the sched_init
5315 * sched-ebb.c (current_sched_info): Initialize flags field.
5316 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5317 Call add_or_update_back_dep instead of add_dependence.
5318 Create control speculative dependencies.
5319 (schedule_insns): Initialize current_sched_info before the sched_init
5322 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5324 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5326 (sh_fallback_frame_state): Likewise.
5328 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5330 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5331 Do switch on default_use_cxa_atexit.
5332 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5333 * config/darwin-crt3.o: New.
5334 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5335 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5336 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5338 * config/rs6000/t-darwin: Move crt2.o building to here.
5339 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5340 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5343 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5345 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5346 from '! xxx' to '!xxx' for coding-style conformance.
5347 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5348 (EXTRA_CONSTRAINT): Likewise.
5349 * config/vax/vax.md (four unnamed insns): Likewise.
5351 2006-03-15 Paul Brook <paul@codesourcery.com>
5353 * config/arm/arm.c (minipool_pad): New.
5354 (add_minipool_forward_ref): Include pool alignment padding in address
5356 (push_minipool_fix): Set minipool_pad.
5357 (minipool_pad): Ditto.
5359 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5361 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5362 instead of GET_CODE() == MEM and REG_P() instead of
5364 (print_operand_address): Likewise.
5365 (vax_address_cost): Likewise.
5366 (vax_rtx_costs): Likewise.
5367 (vax_notice_update_cc): Likewise.
5368 (vax_output_int_add): Likewise.
5369 (INDEX_REGISTER_P): Likewise.
5370 (BASE_REGISTER_P): Likewise.
5371 (nonindexed_address_p): Likewise.
5372 (vax_mode_dependent_address_p): Likewise.
5373 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5374 (PRINT_OPERAND): Likewise.
5375 * config/vax/vax.md (ashlsi3): Likewise.
5376 (ashlsi3): Likewise.
5377 (some more unnamed insns): Likewise.
5379 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5381 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5382 iterator-style macro.
5383 (mark_control_dependent_edges_necessary): Update the use of
5384 EXECUTE_IF_CONTROL_DEPENDENT.
5386 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5388 * config/sh/predicates.md (cache_address_operand): Special.
5389 (ua_address_operand): Likewise.
5391 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5393 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5395 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5397 2006-03-15 Andreas Schwab <schwab@suse.de>
5399 * gensupport.c (identify_predicable_attribute): Don't free p_false
5400 when it is still in use.
5402 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5404 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5405 the default setting here.
5407 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5409 * tree-pass.h (pass_cfg): Remove.
5410 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5411 * passes.c (pass_cfg): Don't run it.
5413 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5415 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5416 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5418 (stack_regs_mentioned): Update the uses of
5419 stack_regs_mentioned_data. Don't access the array beyond its
5421 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5422 Don't include gt-reg-stack.h.
5424 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5425 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5427 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5430 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5433 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5435 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5437 2006-03-14 Richard Guenther <rguenther@suse.de>
5439 PR tree-optimization/26672
5440 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5443 2006-03-14 Richard Guenther <rguenther@suse.de>
5445 PR tree-optimization/26667
5446 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5447 node for the callees. Always allow inlining if it will shrink
5450 2006-03-14 Richard Guenther <rguenther@suse.de>
5453 * builtins.c (get_pointer_alignment): Prefer alignment
5454 information from decls over that from types.
5456 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5459 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5461 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5463 * config/rs6000/rs6000.opt (mdlmzb): New option.
5464 (msched-prolog, msched-epilog): Use Var not Mask.
5465 * doc/invoke.texi (-mdlmzb): Document.
5466 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5468 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5469 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5471 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5473 PR rtl-optimization/25739
5474 * bt-load.c (augment_live_range): Free tos pointer.
5476 * gensupport.c (identify_predicable_attribute): Free
5478 * gcov.c (create_file_names): Free name pointer.
5480 2006-03-13 Roger Sayle <roger@eyesopen.com>
5483 * stmt.c (emit_case_nodes): Handle the case where the index is a
5484 CONST_INT, where the comparison mode is specified by the index type.
5486 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5488 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5491 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5493 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5494 (*branch_fp_inverted): Likewise.
5496 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5499 * omp-low.c (expand_omp_for_generic): Mark istart0
5500 and iend0 as addressable.
5502 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5504 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5506 2006-03-13 Jeff Law <law@redhat.com>
5508 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5509 virtual operands are interesting.
5510 (vrp_visit_stmt): Corresponding changes.
5512 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5514 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5516 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5517 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5518 * config/bfin/crti.S: Use it instead of __PIC__.
5519 * config/bfin/crtn.S: Likewise.
5521 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5522 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5524 Lose 'G' modifier for call operand.
5525 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5526 recognize 'G' modifier.
5528 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5531 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5532 * stmt.c (expand_case): Likewise.
5534 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5536 PR rtl-optimization/26254
5537 * loop-invariant.c (seq_insns_valid_p): New function.
5538 (move_invariant_reg): Only emit new code if it is valid.
5540 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5542 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5544 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5545 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5546 (commit_one_edge_insertion): Do not look for loop notes.
5548 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5550 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5551 flag_test_coverage out of loop.
5553 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5555 * final.c (shorten_branches): Remove outdated comment, and turn
5556 the if branch that guards it to continue.
5558 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5560 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5561 * cfgloop.h (struct loop): Remove unused fields.
5563 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5565 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5566 (-dL, -fdump-rtl-loop2): Update the dump file names
5568 * doc/invoke.texi: Update dump file names.
5570 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5572 * predict.c (estimate_probability): Remove.
5573 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5574 * basic-block.h (estimate_probability): Remove prototype.
5575 * passes.c (finish_optimization_passes): Dump branch prediction or
5576 profiling heuristics to the .profile tree dump.
5577 (init_optimization_passes): Unqueue pass_branch_prob.
5579 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5581 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5583 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5584 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5586 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5588 * function.h (frame_offset_overflow): Declare.
5589 * function.c (frame_offset_overflow): New function.
5590 (assign_stack_local_1): Call it to detect that the offset overflows.
5591 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5593 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5595 * config/sh/sh.c: Include alloc-pool.h.
5596 (label_ref_list_pool): New alloc pool.
5597 (label_ref_list_t): New type for lists of labels.
5598 (struct pool_node): Make wend a label_ref_list_t.
5599 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5601 (dump_table): Likewise.
5602 (sh_reorg): Set up the alloc pool before using add_constant and
5603 dump_table, and destroy it when finishing.
5605 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5607 * config/mips/mips.c: Remove redundant comment.
5609 2006-03-10 Jason Merrill <jason@redhat.com>
5612 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5613 the target was declared 'register'.
5615 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5617 * genpreds.c (write_insn_constraint_len): Change definition of
5618 insn_constraint_len to return size_t to match the declaration.
5620 2006-03-10 DJ Delorie <dj@redhat.com>
5622 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5624 (m32c_expand_insv): Fix test for an AND mask.
5626 2006-03-10 Richard Guenther <rguenther@suse.de>
5629 * builtins.c (get_pointer_alignment): Handle component
5630 references for field alignment.
5632 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5634 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5635 when building with libgloss.
5636 (sh*elf): Implement --without-fp option.
5637 (sh64-superh-linux*): Don't multilib.
5639 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5641 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5643 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5645 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5646 Set it when one of the replacement functions returned true.
5647 Return TODO_cleanup_cfg if cfgchanged is true.
5648 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5650 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5652 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5653 instead of gen_lowpart.
5655 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5657 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5659 (mips_output_order_conditional_branch): Declare.
5660 * config/mips/mips.h (MIPS_BRANCH): New macro.
5661 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5662 for the comparison. Use gen_condjump.
5663 (mips_output_conditional_branch): Rework interface to take the
5664 asm templates for a direct branch and the inverse of a direct branch.
5665 (mips_output_order_conditional_branch): New function.
5666 (mips_builtin_branch_and_move): New function.
5667 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5668 branch condition. Use gen_single_cc as the condition for
5669 __builtin_mips_upper_* or __builtin_mips_lower_*.
5670 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5671 Use VOIDmode for the branch condition.
5672 * config/mips/predicates.md (order_operator): New predicate.
5673 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5674 (branch_fp): Rename to...
5675 (*branch_fp): ...this. Remove mode from comparison operator.
5676 Use new mips_output_conditional_branch interface.
5677 (branch_fp_inverted): Rename to...
5678 (*branch_fp_inverted): ...this and update as for *branch_fp.
5679 (*branch_zero<mode>): Rename to...
5680 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5681 Use mips_output_order_conditional_branch. Only accept ordered
5683 (*branch_zero<mode>_inverted): Rename to...
5684 (*branch_order<mode>_inverted): ...this and update as for
5685 *branch_order<mode>.
5686 (*branch_equality<mode>): Accept zero as the second operand to
5687 the equality operator. Use the new mips_output_conditional_branch
5689 (*branch_equality<mode>_inverted): Likewise.
5690 (condjump): New expander.
5691 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5693 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5694 (bc1any2t, bc1any2f): Likewise.
5695 (single_cc): New expander.
5696 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5698 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5700 * doc/md.texi: Update documentation of MIPS constraints.
5701 * config/mips/constraints.md: New file.
5702 * config/mips/mips.md: Include it.
5703 * config/mips/mips.c (mips_char_to_class): Delete.
5704 (override_options): Don't initialize mips_char_to_class.
5705 * config/mips/mips.h (mips_char_to_class): Delete.
5706 (REG_CLASS_FROM_LETTER): Delete.
5707 (CONST_OK_FOR_LETTER_P): Delete.
5708 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5709 (EXTRA_CONSTRAINT_Y): Delete.
5710 (EXTRA_CONSTRAINT_STR): Delete.
5711 (CONSTRAINT_LEN): Delete.
5712 (EXTRA_MEMORY_CONSTRAINT): Delete.
5714 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5716 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5717 original fn's eh regions.
5719 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5721 * fold-const.c (build_range_check): Make sure to use a valid type to
5722 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5725 (range_predecessor): New static function.
5726 (range_successor): Likewise.
5727 (merge_ranges): Use them to compute predecessors and successors of
5730 2006-03-09 Roger Sayle <roger@eyesopen.com>
5733 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5734 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5736 2006-03-08 DJ Delorie <dj@redhat.com>
5738 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5739 (addpsi3): Expand to include memory operands. Remove
5740 reload-specific splits.
5741 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5742 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5743 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5744 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5745 (shift1_qi, shift1_hi, insv): New.
5746 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5747 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5748 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5750 * config/m32c/m32c-protos.h: Update as needed.
5751 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5752 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5753 Fail for unrecognized R* constraints.
5754 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5755 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5756 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5758 (m32c_init_libfuncs): New.
5759 (m32c_legitimate_address_p): Add debug wrapper.
5760 (m32c_rtx_costs): New.
5761 (m32c_address_cost): New.
5762 (conversions): Add 'B' prefix.
5763 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5764 operands, or word regnames for QI operands. 'B' prints bit
5766 (m32c_expand_setmemhi): New.
5767 (m32c_expand_movmemhi): New.
5768 (m32c_expand_movstr): New.
5769 (m32c_expand_cmpstr): New.
5770 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5771 (m32c_expand_neg_mulpsi3): Handle non-ints.
5772 (m32c_cmp_flg_0): New.
5773 (m32c_expand_movcc): New.
5774 (m32c_expand_insv): New.
5775 (m32c_scc_pattern): New.
5776 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5777 a0/a1 out of SIregs.
5778 (STORE_FLAG_VALUE): New.
5779 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5782 * config/m32c/mov.md: Make constraints more liberal.
5783 (zero_extendqihi2): Optimize r0/r1 case.
5784 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5785 * config/m32c/predicates.md (m32c_any_operand): New.
5786 (m32c_nonimmediate_operand): New.
5787 (m32c_hl_operand): New.
5788 (m32c_r3_operand): New.
5791 (memsym_operand): New.
5792 (memimmed_operand): New.
5793 (a_qi_operand): New.
5794 (m32c_eqne_operator): New.
5795 (m32c_1bit8_operand): New.
5796 (m32c_1bit16_operand): New.
5797 (m32c_1mask8_operand): New.
5798 (m32c_1mask16_operand): New.
5799 * config/m32c/blkmov.md: New file.
5800 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5802 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5804 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5805 unsigned to fix signed/unsigned comparison issue in
5806 DWARF2_FRAME_REG_OUT.
5807 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5808 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5810 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5811 of ptr into the ENABLE_CHECKING section.
5813 2006-03-08 Jeff Law <law@redhat.com>
5815 * tree-vrp.c (infer_value_range): Only count pointer uses
5816 and dereferences if -fdelete-null-pointer-checks is enabled.
5818 * tree-vrp.c (find_assert_locations): Infer value ranges for
5819 single use pointers, but do not create ASSERT_EXPRs for them.
5820 When a non-null range is inferred for a pointer, backwards
5821 propagate that range to other equivalent pointers through the
5824 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5827 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5828 language hook targets.
5829 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5830 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5831 if language hook targets were missing.
5833 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5835 * tree-ssa-opfinalize.h: Removed.
5836 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5838 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5839 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5840 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5841 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5842 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5843 finalize_ssa_v_must_def_ops): New.
5845 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5847 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5850 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5852 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5854 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5855 addresses with offsets; reorganize.
5857 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5858 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5859 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5861 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5864 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5866 2006-03-08 Ben Elliston <bje@au.ibm.com>
5868 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5870 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5873 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5876 2006-03-07 Richard Guenther <rguenther@suse.de>
5878 PR tree-optimization/26587
5879 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5881 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5883 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5885 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5887 * hooks.c (hook_bool_mode_rtx_true): New function.
5888 * hooks.h (hook_bool_mode_rtx_true): Declare.
5889 * toplev.c (compile_file): Call output_shared_constant_pool.
5890 * varasm.c (shared_constant_pool): New variable.
5891 (assemble_start_function, assemble_end_function): Remove arguments
5892 from call to output_constant_pool.
5893 (create_constant_pool): New function, split out from...
5894 (init_varasm_status): ...here.
5895 (force_const_mem): Choose between the shared and per-function constant
5896 pools. Set current_function_uses_const_pool when reusing old entries
5897 as well as when creating new ones.
5898 (mark_constant): Ignore data argument.
5899 (mark_constants): Remove pool argument.
5900 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5901 to decide whether the function uses a constant pool.
5902 (output_constant_pool_contents): New function, split out from...
5903 (output_constant_pool): ...here.
5904 (output_shared_constant_pool): New function.
5905 (init_varasm_once): Initialize shared_constant_pool.
5906 * output.h (output_constant_pool): Delete.
5907 (output_shared_constant_pool): Declare.
5908 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5909 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5911 2006-03-06 Nick Clifton <nickc@redhat.com>
5913 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5914 flag_strength_reduce.
5916 2006-03-06 Ben Elliston <bje@au.ibm.com>
5918 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5919 x86_64-*-linux* configurations.
5921 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5922 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5924 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5926 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5928 * basic-block.h: Remove the extern for
5929 rediscover_loops_after_threading.
5931 * cfgloop.c (cancel_loop): Make it static.
5932 * cfgloop.h: Remove the prototype for cancel_loop.
5934 * flow.c (recompute_reg_usage): Make it static.
5935 * rtl.h: Remove the prototype for recompute_reg_usage.
5937 * function.c (use_return_register): Make it static.
5938 * function.h: Remove the prototype.
5940 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5942 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5944 * recog.h: Remove the prototype for
5945 validate_change_maybe_volatile.
5947 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5949 * rtlanal.c (replace_reg): Remove.
5950 * rtl.h: Remove the prototype for replace_reg.
5952 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5954 * regclass.c (reg_scan_update): Remove.
5955 (reg_scan_mark_refs): Remove the last argument.
5956 * rtl.h: Remove the prototype for reg_scan_update.
5958 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5960 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5961 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5962 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5963 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5964 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5965 loop-invariant.c, omp-low.c, opts.c, passes.c,
5966 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5967 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5968 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5969 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5970 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5971 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5973 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5975 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5976 * dwarf2out.h: Remove the prototype for
5977 dwarf2out_add_library_unit_info.
5979 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5981 * tree.c (add_var_to_bind_expr): Remove.
5982 * tree.h: Remove the prototype for add_var_to_bind_expr.
5984 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5986 * regclass.c (n_non_fixed_regs): Remove.
5987 (init_reg_sets_1, globalize_reg): Remove all uses of
5989 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5991 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5993 * rtlanal.c (insns_safe_to_move_p): Remove.
5994 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5996 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5998 * expmed.c (expand_mult_add): Remove.
5999 * expr.h: Remove the prototype for expand_mult_add.
6001 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6003 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6004 and REG_SAVED_VAL_EXP constants.
6005 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6006 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6007 Handle regs stored by value.
6008 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6009 (execute_cfa_program): Handle DW_CFA_val_offset,
6010 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6011 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6012 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6013 (uw_install_context_1): Handle target regs stored by value.
6015 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6017 * tree-sra.c (tree_sra): Return todoflags;
6018 (generate_one_element): Set TODO_update_smt_usage if needed.
6019 (pass_sra): Remove TODO_update_smt_usage.
6020 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6022 (tree_ssa_forward_propagate_single_use_vars): Return
6023 TODO_update_smt_usage if we need to update SMT usage.
6024 (pass_forwprop): Remove TODO_update_smt_usage.
6026 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6028 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6029 (correct_use_link): Remove reference to get_stmt_operands.
6030 (update_stmt_operands): Likewise.
6031 (get_modify_expr_operands): New function factored out of
6032 parse_ssa_operands and get_expr_operands.
6033 Try to create V_MUST_DEFs for LHS by default.
6034 (get_expr_operands) <case MODIFY_EXPR>: Call
6035 get_modify_expr_operands.
6036 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6037 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6038 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6039 get_modify_expr_operands.
6041 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6043 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6044 * tree-flow.h: Remove the prototype for
6045 referenced_var_lookup_if_exists.
6047 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6049 PR rtl-optimization/26345
6051 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6053 2006-03-03 Roger Sayle <roger@eyesopen.com>
6055 PR tree-optimization/26524
6056 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6057 fold_convert to create a constant of the appropriate type.
6059 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6061 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6062 SYMBOL_REF_IN_BLOCK_P.
6063 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6064 of SYMBOL_FLAG_IN_BLOCK.
6065 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6066 instead of SYMBOL_REF_IN_BLOCK_P.
6067 * explow.c (use_anchored_address): Likewise.
6068 * rtl.c (rtx_size): Likewise.
6069 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6070 instead of SYMBOL_FLAG_IN_BLOCK.
6071 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6072 SYMBOL_REF_IN_BLOCK_P.
6073 (assemble_variable): Likewise.
6074 (output_constant_def_contents): Likewise.
6075 (output_constant_pool): Likewise.
6076 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6077 instead of SYMBOL_FLAG_IN_BLOCK.
6078 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6079 SYMBOL_REF_IN_BLOCK_P.
6080 (SYMBOL_REF_BLOCK): Likewise.
6081 (SYMBOL_REF_OFFSET): Likewise.
6082 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6083 SYMBOL_REF_IN_BLOCK_P.
6084 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6085 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6086 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6087 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6089 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6091 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6093 2006-03-02 Roger Sayle <roger@eyesopen.com>
6095 * simplify-rtx.c (simplify_unary_operation): When simplifying
6096 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6097 that we perform the right shift in the appropriate mode, and
6098 then extend or truncate the result to requested mode.
6100 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6102 * gengtype.c (main): Handle double_int type.
6103 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6104 * double-int.c: New file.
6105 * double-int.h: New file.
6106 * system.h: Include doubleint.h.
6107 * Makefile.in (SYSTEM_H): Include double-int.h.
6108 (double-int.o): Add.
6110 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6113 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6116 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6118 * tree-vrp.c (remove_range_assertions): Do not update statements
6121 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6123 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6125 * gcse.c (rest_of_handle_gcse): Ditto.
6126 * except.c (gate_handle_eh): Ditto.
6127 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6128 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6130 2006-03-02 Eric Christopher <echristo@apple.com>
6132 * config/i386/i386.c (machopic_output_stub): Add indirection to
6135 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6139 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6141 Sun Niagara specific optimizations.
6142 * config.gcc: Recognize niagara as target.
6143 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6144 (TARGET_CPU_niagara): Define.
6145 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6146 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6147 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6148 (ASM_CPU_SPEC): Likewise.
6149 (PROCESSOR_NIAGARA): New enum entry.
6150 (REGISTER_MOVE_COST): Handle Niagara.
6151 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6152 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6153 (sparc_override_options): Recognize "niagara", set appropriate
6154 default MASK_* values for it, and align functions to 32-bytes
6155 by default just like ULTRASPARC/ULTRASPARC3.
6156 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6157 (sparc64_initialize_trampoline): Likewise.
6158 (sparc_use_sched_lookahead): Use zero for niagara.
6159 (sparc_issue_rate): Use one for niagara.
6160 * config/sparc/niagara.md: New file.
6161 * config/sparc/sparc.md: Include it.
6162 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6163 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6164 when default cpu is niagara.
6165 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6166 (ASM_CPU_SPEC): Likewise.
6167 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6168 when default cpu is niagara.
6169 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6170 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6171 just like v9/ultrasparc/ultrasparc3.
6172 * doc/invoke.texi: Add documentation for "niagara" and improve
6173 existing documentation for ultrasparc variants.
6175 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6177 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6179 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6181 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6182 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6183 and say that only one is needed.
6184 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6185 * target.h (have_switchable_bss_sections): New hook.
6186 * explow.c (use_anchored_address): Check that the symbol is in a block.
6187 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6188 (bss_noswitch_section): New variables.
6189 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6190 (get_noswitch_section): New function.
6191 (get_block_for_section): Allow SECT to be null.
6192 (unlikely_text_section_p): Use SECTION_STYLE.
6193 (bss_initializer_p): New function.
6194 (get_variable_section): Move earlier in file. Take a new argument,
6195 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6196 Return one of the new *_sections in such cases.
6197 (get_block_for_decl): New function, extracting some logic from
6198 use_blocks_for_decl_p.
6199 (change_symbol_section): Remove in favor of...
6200 (change_symbol_block): ...this new function.
6201 (use_blocks_for_decl_p): Remove checks now performed by
6203 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6204 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6205 (emit_local, emit_bss, emit_common): ...these new functions.
6206 Return true if the alignment was honored.
6207 (emit_tls_common): New function.
6208 (asm_emit_uninitialised): Delete.
6209 (assemble_variable_noswitch): New function, split out from...
6210 (assemble_variable): ...here. Don't make decisions about common
6211 variables here. Globalize all public decls that go into non-common
6212 sections. Check whether SYMBOL_REF_BLOCK is null.
6213 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6214 (output_constant_pool): Likewise.
6215 (init_varasm_once): Initialize the new section variables.
6216 (have_global_bss_p): New function.
6217 (categorize_decl_for_section): Use bss_initializer_p.
6218 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6219 (place_block_symbol): Assert that the symbol must be in a block.
6220 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6221 (TARGET_INITIALIZER): Include it.
6222 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6223 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6224 (SECTION_MACH_DEP): Bump by two.
6225 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6226 (unnamed_section): Mention SECTION_UNNAMED in comment.
6227 (named_section): Likewise SECTION_NAMED.
6228 (noswitch_section_callback): New type.
6229 (noswitch_section): New structure.
6230 (section): Add a noswitch_section alternative.
6231 (SECTION_STYLE): New macro.
6232 (tls_comm_section, comm_section, lcomm_section): Declare.
6233 (bss_noswitch_section, have_global_bss_p): Declare.
6234 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6235 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6237 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6238 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6241 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6243 * tree-vrp.c (execute_vrp): Return value.
6244 * regrename.c (rest_of_handle_regrename): Ditto.
6245 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6246 * tree-complex.c (tree_lower_complex): Ditto.
6247 (tree_lower_complex_O0): Ditto.
6248 * tracer.c (rest_of_handle_tracer): Ditto.
6249 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6250 * postreload.c (rest_of_handle_postreload): Ditto.
6251 * tree-tailcall.c (execute_tail_recursion): Ditto.
6252 (execute_tail_calls): Ditto.
6253 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6254 * tree.h (init_function_for_compilation): Ditto.
6255 * ipa-cp.c (ipcp_driver): Ditto.
6256 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6257 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6258 * final.c (compute_alignments): Ditto.
6259 (rest_of_handle_final): Ditto.
6260 (rest_of_handle_shorten_branches): Ditto.
6261 (rest_of_clean_state): Ditto.
6262 * omp-low.c (execute_expand_omp): Ditto.
6263 (execute_lower_omp): Ditto.
6264 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6265 * ipa-reference.c (static_execute): Ditto.
6266 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6267 * reorg.c (rest_of_handle_delay_slots): Ditto.
6268 (rest_of_handle_machine_reorg): Ditto.
6269 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6270 * flow.c (recompute_reg_usage): Ditto.
6271 (rest_of_handle_remove_death_notes): Ditto.
6272 (rest_of_handle_life): Ditto.
6273 (rest_of_handle_flow2): Ditto.
6274 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6275 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6276 (do_ssa_store_ccp): Ditto.
6277 (execute_fold_all_builtins): Ditto.
6278 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6279 * modulo-sched.c (rest_of_handle_sms): Ditto.
6280 * ipa-pure-const.c (static_execute): Ditto.
6281 * cse.c (rest_of_handle_cse): Ditto.
6282 (rest_of_handle_cse2): Ditto.
6283 * web.c (rest_of_handle_web): Ditto.
6284 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6285 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6286 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6287 * tree-nrv.c (tree_nrv): Ditto.
6288 (execute_return_slot_opt): Ditto.
6289 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6290 (create_structure_vars): Ditto.
6291 * loop-init.c (rtl_loop_init): Ditto.
6292 (rtl_loop_done): Ditto.
6293 (rtl_move_loop_invariants): Ditto.
6294 (rtl_unswitch): Ditto.
6295 (rtl_unroll_and_peel_loops): Ditto.
6296 (rtl_doloop): Ditto.
6297 * gimple-low.c (lower_function_body): Ditto.
6298 (mark_used_blocks): Ditto.
6299 * tree-ssa-sink.c (execute_sink_code): Ditto.
6300 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6301 (cgraph_early_inlining): Ditto.
6302 * global.c (rest_of_handle_global_alloc): Ditto.
6303 * jump.c (cleanup_barriers): Ditto.
6304 (purge_line_number_notes): Ditto.
6305 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6306 (rest_of_handle_if_after_reload): Ditto.
6307 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6308 (tree_ssa_loop_im): Ditto.
6309 (tree_ssa_loop_unswitch): Ditto.
6310 (tree_vectorize): Ditto.
6311 (tree_linear_transform): Ditto.
6312 (tree_ssa_loop_ivcanon): Ditto.
6313 (tree_ssa_empty_loop): Ditto.
6314 (tree_ssa_loop_bounds): Ditto.
6315 (tree_complete_unroll): Ditto.
6316 (tree_ssa_loop_prefetch): Ditto.
6317 (tree_ssa_loop_ivopts): Ditto.
6318 (tree_ssa_loop_done): Ditto.
6319 * predict.c (tree_estimate_probability): Ditto.
6320 * recog.c (split_all_insns_noflow): Ditto.
6321 (rest_of_handle_peephole2): Ditto.
6322 (rest_of_handle_split_all_insns): Ditto.
6323 * tree-eh.c (lower_eh_constructs): Ditto.
6324 * regmove.c (rest_of_handle_regmove): Ditto.
6325 (rest_of_handle_stack_adjustments): Ditto.
6326 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6327 * function.c (instantiate_virtual_regs): Ditto.
6328 (init_function_for_compilation): Ditto.
6329 (rest_of_handle_check_leaf_regs): Ditto.
6330 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6331 (rest_of_handle_gcse): Ditto.
6332 * ipa-type-escape.c (type_escape_execute): Ditto.
6333 * alias.c (rest_of_handle_cfg): Ditto.
6334 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6335 * profile.c (rest_of_handle_branch_prob): Ditto.
6336 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6337 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6338 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6339 * tree-dfa.c (find_referenced_vars): Ditto.
6340 * except.c (set_nothrow_function_flags): Ditto.
6341 (convert_to_eh_region_ranges): Ditto.
6342 (rest_of_handle_eh): Ditto.
6343 * emit-rtl.c (unshare_all_rtl): Ditto.
6344 (remove_unnecessary_notes): Ditto.
6345 * except.h (set_nothrow_function_flags): Ditto.
6346 (convert_to_eh_region_ranges): Ditto.
6347 * cfgexpand.c (tree_expand_cfg): Ditto.
6348 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6349 * tree-ssa-pre.c (do_pre): Ditto.
6350 (execute_fre): Ditto.
6351 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6352 (rest_of_handle_jump2): Ditto.
6353 * tree-sra.c (tree_sra): Ditto.
6354 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6355 (execute_mudflap_function_decls): Ditto.
6356 * tree-ssa-copy.c (do_copy_prop): Ditto.
6357 (do_store_copy_prop): Ditto.
6358 * ipa-prop.h (ipcp_driver): Ditto.
6359 * cfglayout.c (insn_locators_initialize): Ditto.
6360 * tree-ssa-forwprop.c
6361 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6362 * cfglayout.h (insn_locators_initialize): Ditto.
6363 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6364 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6365 (execute_late_warn_uninitialized): Ditto.
6366 * rtl.h (cleanup_barriers): Ditto.
6367 (split_all_insns_noflow): Ditto.
6368 (purge_line_number_notes): Ditto.
6369 (unshare_all_rtl): Ditto.
6370 (remove_unnecessary_notes): Ditto.
6371 (recompute_reg_usage): Ditto.
6372 (variable_tracking_main): Ditto.
6373 * integrate.c (emit_initial_value_sets): Ditto.
6374 * integrate.h (emit_initial_value_sets): Ditto.
6375 * tree-optimize.c (execute_free_datastructures): Ditto
6376 (execute_free_cfg_annotations): Ditto.
6377 (execute_fixup_cfg): Ditto.
6378 (execute_cleanup_cfg_pre_ipa): Ditto.
6379 (execute_cleanup_cfg_post_optimizing): Ditto.
6380 (execute_init_datastructures): Ditto.
6381 * tree-object-size.c (compute_object_sizes): Ditto.
6382 * combine.c (rest_of_handle_combine): Ditto.
6383 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6384 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6385 (rest_of_handle_reorder_blocks): Ditto.
6386 (rest_of_handle_partition_blocks): Ditto.
6387 * var-tracking.c (variable_tracking_main): Ditto.
6388 * tree-profile.c (tree_profiling): Ditto.
6389 * tree-vect-generic.c (expand_vector_operations): Ditto.
6390 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6391 * sched-rgn.c (rest_of_handle_sched): Ditto.
6392 (rest_of_handle_sched2): Ditto.
6393 * basic-block.h (free_bb_insn): Ditto.
6394 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6395 * tree-cfg.c (execute_build_cfg): Ditto.
6396 (remove_useless_stmts): Ditto.
6397 (split_critical_edges): Ditto.
6398 (execute_warn_function_return): Ditto.
6399 (execute_warn_function_noreturn): Ditto.
6400 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6401 * cfgrtl.c (free_bb_for_insn): Ditto.
6402 * passes.c (execute_one_pass): Run additional
6403 todos returned by execute function.
6404 * tree-pass.h (struct tree_opt_pass): Make execute
6407 2006-03-02 Richard Guenther <rguenther@suse.de>
6409 * tree-ssa-alias.c (find_used_portions): Consider taking
6410 the address as making the variable not write-only.
6412 2006-03-02 Nick Clifton <nickc@redhat.com>
6414 * config.gcc (default_use_cxa_atexit): Extend the description of
6415 this configure variable. Set its default value to "yes" for
6416 Linux, NetBSD and ELF targets on the assumption that they will
6417 use C libraries with the __cxa_atexit function.
6419 2006-03-02 Ben Elliston <bje@au.ibm.com>
6421 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6422 parameter as unused to suppress a build warning.
6424 2006-03-02 Ben Elliston <bje@au.ibm.com>
6426 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6429 2006-03-01 Roger Sayle <roger@eyesopen.com>
6432 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6433 declared name, the weak reference name, and the typeof name.
6434 (__gthrw): Avoid expanding the declared name suffix.
6435 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6437 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6439 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6441 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6442 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6443 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6444 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6445 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6446 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6447 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6448 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6449 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6450 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6451 (DW_END_default, DW_END_big, DW_END_little): New.
6452 (DW_END_lo_user, DW_END_hi_user): Define.
6453 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6454 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6455 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6458 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6460 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6462 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6464 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6466 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6468 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6469 to 'symbol_mem_tag'.
6471 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6474 2006-03-01 Roger Sayle <roger@eyesopen.com>
6476 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6478 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6481 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6482 MACHO_DYNAMIC_NO_PIC_P.
6483 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6485 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6488 * config/darwin-protos.h (darwin_asm_output_anchor):
6490 * config/darwin-sections.def (cstring_section):
6491 Add SECTION_MERGE to the flags.
6492 (literal4_section): Likewise.
6493 (literal8_section): Likewise.
6494 (objc_selector_refs_section): Likewise.
6495 (objc_cls_refs_section): Likewise.
6496 * config/darwin.c (darwin_asm_output_anchor): New
6498 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6500 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6502 Fix PR tree-optimization/26443
6503 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6504 to todo and PROP_tmt_usage to properties_destroyed.
6505 * tree-ssa-ccp.c (pass_ccp): Ditto.
6506 (pass_store_ccp): Ditto.
6507 * tree-ssa-dom.c (pass_dominator): Ditto.
6509 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6511 * tree-ssa-operands.c: Cleanup whitespace.
6512 (get_asm_expr_operands): Move before first invocation.
6513 (get_indirect_ref_operands): Likewise.
6514 (get_tmr_operands): Likewise.
6515 (get_call_expr_operands): Likewise.
6516 (append_def): Likewise.
6517 (append_use): Likewise.
6518 (append_v_may_def): Likewise.
6519 (append_v_must_def): Likewise.
6520 (add_call_clobber_ops): Likewise.
6521 (add_call_read_ops): Likewise.
6522 (add_stmt_operand): Likewise.
6523 (add_virtual_operand): Likewise.
6524 (build_ssa_operands): Likewise.
6526 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6531 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6532 with a call expr to ...
6533 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6535 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6537 * tree-vrp.c (extract_range_from_assert): Remove special
6538 handling for types with super-types.
6540 2006-03-01 Ben Elliston <bje@au.ibm.com>
6542 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6543 and powerpc64-*-linux* configurations.
6544 * config/t-dfprules: New file.
6546 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6547 Compile dfp-bit.c from the source directory using -DWIDTH and
6548 $DFP_CFLAGS to control the compilation of that file, rather than
6549 generating width-specific versions in the build directory.
6550 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6551 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6553 2006-02-28 Zack Weinberg <zackw@panix.com>
6555 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6558 2006-02-28 Eric Christopher <echristo@apple.com>
6560 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6561 Set up IN_LIBGCC definition of TARGET_64BIT.
6562 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6564 2006-02-28 Roger Sayle <roger@eyesopen.com>
6567 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6568 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6569 cases via the construction of "expr != 0".
6571 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6573 * alias.c (alias_invariant, alias_invariant_size): Remove.
6574 (record_base_value): Remove.
6575 (memrefs_conflict_p): Don't look at alias_invariant.
6576 (end_alias_analysis): Don't free it.
6577 * alias.h (record_base_value): Remove prototype.
6579 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6580 Adam Nemet <anemet@caviumnetworks.com>
6582 * rtl.h (truncated_to_mode): Declare it.
6583 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6584 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6585 (RTL_HOOKS_INITIALIZER): Include it.
6586 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6587 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6588 reg_truncated_to_mode.
6589 * rtlanal.c (truncated_to_mode): Define it.
6590 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6592 2006-02-28 Jeff Law <law@redhat.com>
6594 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6595 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6596 the range allowed by TYPE_PRECISION.
6598 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6600 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6602 PR tree-optimization/26419
6603 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6606 2006-02-27 Zack Weinberg <zackw@panix.com>
6608 * doc/md.texi: Fix typo in previous change.
6610 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6614 2006-02-27 Zack Weinberg <zackw@panix.com>
6616 * rtl.def (define_constraint, define_register_constraint)
6617 (define_memory_constraint, define_address_constraint): New MD forms.
6618 * gensupport.c (process_rtx): Put define_constraint etc on the
6620 * genpreds.c (process_define_predicate): Adjust comment. Validate
6621 the name, and call validate_exp to validate the expression.
6622 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6623 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6624 all callers changed.
6625 (validate_exp, needs_variable, struct constraint_data)
6626 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6627 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6628 (const_dbl_constraints, constraint_max_namelen)
6629 (have_register_constraints, have_memory_constraints)
6630 (have_address_constraints, have_address_constraints)
6631 (have_extra_constraints, have_const_int_constraints)
6632 (have_const_dbl_constraints, mangle, add_constraint)
6633 (process_define_constraint, process_define_register_constraint)
6634 (write_enum_constraint_num, write_lookup_constraint)
6635 (write_insn_constraint_len, write_regclass_for_constraint)
6636 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6637 (write_insn_extra_memory_constraint)
6638 (write_insn_extra_address_constraint)
6639 (write_satisfies_constraint_fns): New.
6640 (write_tm_preds_h): If we have new-style constraint definitions,
6641 prototype the functions generated from them, and define the
6642 old constraint interface (still used by generic code) in terms of
6644 (write_insn_preds_c): If we have new-style constraint definitions,
6645 generate all relevant functions from those definitions.
6646 (main): Handle define_constraint etc.
6647 * genoutput.c (struct constraint_data, indep_constraints)
6648 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6649 (mdep_constraint_len): New data structures and functions, defined
6650 #ifdef USE_MD_CONSTRAINTS.
6651 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6652 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6653 use new logic to validate operand constraints against constraint
6655 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6657 * defaults.h: If none of the old-style constraint macros are
6658 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6659 old-style macros; and poison REG_CLASS_FROM_LETTER,
6660 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6662 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6663 * doc/md.texi: Document new constraint-definition mechanism and the
6664 C interface it provides. Remove references to old mechanism
6665 elsewhere in the document.
6666 (Machine Constraints): Use pathnames relative to gcc directory,
6667 i.e. config/ARCH/FILE. Change i386 section to refer to
6668 config/i386/predicates.md; update that section to match docstrings.
6669 * doc/tm.texi: Move all documentation of the old constraint-
6670 definition macros to their own section, clearly mark as obsolete.
6672 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6673 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6675 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6676 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6677 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6679 (splits and peepholes): Use satisfies_constraint_*.
6680 * config/i386/i386.c (memory_address_length)
6681 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6683 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6685 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6686 scalar operation to be put back into the loop.
6688 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6691 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6692 (extract_cie_info): Handle S flag in augmentation string.
6693 (execute_cfa_program): If context->signal_frame, execute also
6694 fs->pc == context->ra instructions.
6695 (uw_frame_state_for): If context->signal_frame, don't subtract one
6696 from context->ra to find FDE.
6697 (uw_update_context_1): Set context->signal_frame to
6699 (_Unwind_GetIPInfo): New function.
6700 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6701 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6703 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6704 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6705 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6706 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6707 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6708 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6709 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6710 x86_64_fallback_frame_state): Set fs->signal_frame.
6711 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6712 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6713 (frob_update_context): Likewise. Workaround missing S flag in
6714 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6715 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6716 Remove the psw_addr + 1 hack.
6718 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6720 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6721 with aggregates here.
6722 (find_func_aliases): Remove code for &<aggregate> from here.
6724 2006-02-26 Roger Sayle <roger@eyesopen.com>
6726 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6727 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6728 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6731 2006-02-26 Roger Sayle <roger@eyesopen.com>
6734 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6736 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6738 * opts.c (decode_options): Do not handle flag_strength_reduce.
6739 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6740 and OPT_fstrength_reduce.
6741 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6742 flag_prefetch_loop_arrays for being nonzero.
6743 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6745 (fprefetch-loop-arrays-rtl): Removed.
6746 (flag_prefetch_loop_arrays): Do not specify the value.
6748 * doc/passes.texi: Update documentation of loop optimizer
6750 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6751 -frerun-loop-opt): Remove.
6753 2006-02-26 Richard Guenther <rguenther@suse.de>
6755 PR tree-optimization/26421
6756 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6757 in function calls that are ADDR_EXPRs as using the whole structure.
6759 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6761 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6762 * tree-pass.h (pass_loop_optimize): Remove.
6763 * passes.c (pass_loop_optimize): Never run it.
6764 * toplev.c (backend_init): Don't call init_loop.
6765 * opts.c (flag_loop_optimize_set): Remove.
6766 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6767 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6768 the old RTL loop optimizer when profiling enabled.
6769 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6770 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6771 pre-headers for the sake of the old RTL loop optimizer.
6772 * Makefile.in: Remove all references to loop.o.
6774 * doc/invoke.texi: Remove all references to -floop-optimize
6775 and -frerun-loop-opt.
6777 2006-02-26 Zack Weinberg <zackw@panix.com>
6779 * doc/md.texi (Machine Constraints): Refer to all files with paths
6780 relative to gcc directory (i.e. config/CPU/file). Add missing
6781 @table @code ... @end table to M32C subsection.
6783 2006-02-26 Roger Sayle <roger@eyesopen.com>
6785 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6787 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6789 2006-02-26 Roger Sayle <roger@eyesopen.com>
6790 James A. Morrison <phython@gcc.gnu.org>
6793 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6794 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6795 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6796 signedness of the shift operation.
6798 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6800 PR tree-optimization/26359
6801 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6803 2006-02-25 Roger Sayle <roger@eyesopen.com>
6805 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6806 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6807 as X == 0, and some symmetry related transformations.
6808 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6810 2006-02-25 Roger Sayle <roger@eyesopen.com>
6813 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6814 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6815 symmetry related transformations. Fold (X^C1) == C2 as
6818 2006-02-25 Juergen Weigert <jw@suse.de>
6819 Richard Guenther <rguenther@suse.de>
6821 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6823 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6825 * combine.c (gen_lowpart_or_truncate): Call
6826 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6828 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6830 * doc/invoke.texi: Move -fopenmp description to "Options for
6832 Remove reference to -lgomp.
6834 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6836 * doc/install.texi: Require GNU tar version 1.14.
6838 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6840 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6841 * doc/invoke.texi (C++ Dialect Options): Document
6842 -fno-use-cxa-get-exception-ptr.
6843 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6844 * configure: Regenerate.
6845 * c.opt (fuse-cxa-get-exception-ptr): New.
6846 * c-opts.c (c_common_handle_option): Handle
6847 OPT_fuse_cxa_get_exception_ptr.
6848 * c-common.c (flag_use_cxa_atexit): Update documentation.
6849 (flag_use_cxa_get_exception_ptr): New.
6850 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6851 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6853 (C_COMMON_OVERRIDE_OPTIONS): New.
6855 2006-02-24 Roger Sayle <roger@eyesopen.com>
6858 * combine.c (try_combine): Explicitly check whether GET_CODE is
6859 a SET or a CLOBBER, instead on checking that it isn't a USE.
6861 2006-02-24 Roger Sayle <roger@eyesopen.com>
6863 * fold-const.c (fold_comparison): New subroutine of fold_binary
6864 containing transformations common to both the equality and
6865 ordering relational operators, factored out of fold_binary.
6866 (fold_binary): Separate out the equality operators (EQ_EXPR
6867 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6868 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6869 transformations common to both.
6870 (fold_div_compare): Fix latent bugs in the previously unreachable
6871 LT_EXPR and GE_EXPR cases.
6873 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6875 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6876 decl libname for clog to __clog on AIX.
6878 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6880 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6883 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6884 output traceback table for thunks. Localise rs6000_stack_info call.
6886 2006-02-23 Roger Sayle <roger@eyesopen.com>
6887 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6889 * gthr-posix.h (__gthrw): Fix typo in comment.
6891 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6893 * doc/cpp.texi (Character sets): Document that we do support
6894 input files to be in any character set.
6896 2006-02-23 Jeff Law <law@redhat.com>
6898 * tree.h (PHI_ARG_NONZERO): Remove.
6899 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6900 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6901 node to the new node.
6903 PR tree-optimization/26425
6904 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6905 min/max, then assume its varying.
6907 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6909 PR rtl-optimization/26316
6910 * rtlanal.c (enum may_trap_p_flags): New.
6911 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6912 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6913 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6914 (may_trap_after_code_motion_p): New function.
6915 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6916 (find_invariant_insn): Use may_trap_after_code_motion_p.
6917 * rtl.h (may_trap_after_code_motion_p): Declare.
6919 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6921 * emit-rtl.c (immed_double_const): Cleanup.
6923 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6925 Fix PR tree-optimization/26376
6926 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6929 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6932 * gimplify.c (omp_add_variable): Guard variable size decl test with
6933 DECL_SIZE (decl) check.
6935 2006-02-23 Richard Guenther <rguenther@suse.de>
6938 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6939 like aggregate types.
6941 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6943 * configure.ac: Add --with{,out}-long-double-128 configure option.
6944 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6945 * configure: Rebuilt.
6946 * config.in: Rebuilt.
6947 * doc/install.texi (Options specification): Document
6948 --with-long-double-128.
6950 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6951 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6952 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6953 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6955 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6957 * config/s390/s390.c (override_options): Handle
6958 TARGET_DEFAULT_LONG_DOUBLE_128.
6960 * config/alpha/alpha.c (override_options): Handle
6961 TARGET_DEFAULT_LONG_DOUBLE_128.
6963 * config/sparc/sparc.c (sparc_override_options): Handle
6964 TARGET_DEFAULT_LONG_DOUBLE_128.
6966 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6968 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6969 (real-install-headers-tar, real-install-headers-cpio)
6970 (real-install-headers-cp): New targets.
6972 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6974 * tree.h (variable_section): Delete.
6975 * varasm.c (variable_section): Delete.
6977 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6979 * install.texi: Add notes on install.texi2html.
6980 (Building in parallel): Do not use footnotes.
6982 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6985 * doc/install.texi (Configuration): Document --disable-libgomp.
6987 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6989 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6991 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6993 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6994 (vec_extractv2df_0_sse): New.
6996 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6998 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6999 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7000 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7001 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7002 to the result of the expression.
7003 (def_cfa_1): Adjust.
7004 (frame_pointer_cfa_offset): Rename to...
7005 (frame_pointer_fb_offset): ... this. Adjust all uses.
7006 (convert_cfa_to_loc_list): Rename to...
7007 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7008 Pass it on to build_cfa_loc.
7009 (compute_frame_pointer_to_cfa_displacement): Rename to...
7010 (compute_frame_pointer_to_fb_displacement): ... this. New
7011 offset parameter. Use it in computation.
7012 (gen_subprogram_die): Compute cfa_fb_offset with the new
7013 macro, and use it to compute the fb loc list and the
7016 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7018 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7019 replaced with register_operand.
7020 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7021 non-DREG is expensive.
7022 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7023 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7026 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7028 * doc/install.texi2html: Use set -e.
7030 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7032 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7033 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7034 * doc/invoke.texi (-fshared-data): Delete.
7035 * common.opt (fshared-data): Delete.
7036 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7037 (assemble_static_space): Remove #if 0 code.
7038 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7039 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7040 * config/cris/cris.h: Remove FIXME.
7042 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7044 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7047 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7050 * combine.c (simplify_shift_const_1): Disable nested shifts
7051 optimization for vector shifts.
7053 2006-02-20 Roger Sayle <roger@eyesopen.com>
7055 PR tree-optimization/26361
7056 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7057 of unsigned integer types.
7059 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7061 * tree-chrec.c (eq_evolutions_p): New.
7062 * tree-chrec.h (eq_evolutions_p): Declared.
7063 * tree-data-ref.c: Fix formatting.
7064 (datadep_stats, dependence_stats): New.
7066 (print_direction_vector): New.
7067 (dump_data_dependence_relation): Use print_direction_vector.
7068 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7069 (compute_subscript_distance): Static.
7070 (initialize_data_dependence_relation): Static. Get the number
7071 of loops surrounding the references from the callers, and initialize
7072 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7073 base_object_differ_p analyzers.
7074 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7075 compute_overlap_steps_for_affine_1_2,
7076 analyze_subscript_affine_affine): Count the classified dependences.
7077 Print a message when a test failed.
7078 (can_use_analyze_subscript_affine_affine): New.
7079 (analyze_siv_subscript): Compute the data dependences on symbolic
7080 scevs that verify can_use_analyze_subscript_affine_affine.
7081 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7082 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7083 Handle symbolic scevs.
7084 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7086 (subscript_dependence_tester): Moved...
7087 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7088 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7089 DDR_SIZE_VECT instead of getting it in parameter.
7090 (subscript_dependence_tester): ... here. Take as a parameter
7091 loop_nest_depth. Call build_classic_dist_vector and
7092 build_classic_dir_vector.
7093 (compute_affine_dependence): Update subscript_dependence_tester
7094 parameters. Update datadep_stats counters. Call
7095 compute_subscript_distance.
7096 (compute_self_dependence): Save the dist and dir vectors. Call
7097 compute_subscript_distance.
7098 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7099 (compute_all_dependences): Reorder parameters as they were before
7100 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7101 compute_subscript_distance. Update the use of
7102 compute_affine_dependence and initialize_data_dependence_relation.
7103 (find_data_references_in_loop): Handle COMPONENT_REF.
7104 (compute_data_dependences_for_loop): Initialize dependence_stats.
7105 Don't call build_classic_dist_vector and build_classic_dir_vector.
7106 Update the parameters of initialize_data_dependence_relation and
7107 compute_all_dependences. Print the statistics from datadep_stats.
7108 (analyze_all_data_dependences): Static. Not used until the pass for
7109 checking the data dependences is contributed.
7110 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7111 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7112 (initialize_data_dependence_relation, compute_affine_dependence,
7113 analyze_all_data_dependences, compute_subscript_distance): Removed.
7114 (print_direction_vector): New.
7115 * lambda.h (gcd): ... here.
7116 (lambda_vector_gcd): Moved here from gcd_vector.
7117 * lambda-code.c (gcd, gcd_vector): Removed.
7118 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7119 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7121 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7123 * ipa-type-escape.c: Tidy some comments and white space.
7124 * tree-ssa-operands.c: Likewise.
7126 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7129 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7130 (dump_decl_name): Do not walk the decl tree chains.
7131 * tree-pass.h (TDF_CHAIN): Remove.
7133 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7135 * Makefile.in (C): Remove
7137 (.PHONY): Remove C and PROTO
7139 2006-02-20 Roger Sayle <roger@eyesopen.com>
7142 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7143 deprecated CHAR_TYPE tree code.
7145 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7147 * configure.ac (target_list): Add install-info, dvi, html.
7148 * configure: Regenerate.
7150 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7151 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7152 treelang/Make-lang.in: Do not use double-colon rules.
7154 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7156 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7157 (TMT_USED_ALONE): New macro.
7158 * tree-pass.h (PROP_tmt_usage): New property.
7159 (TODO_update_tmt_usage): New todo.
7160 * tree-ssa-alias.c (updating_used_alone): New variable.
7161 (recalculate_used_alone): New function.
7162 (compute_may_aliases): Set updating_used_alone, call
7163 recalculate_used_alone.
7164 * tree-sra.c (pass_sra): Note that this pass destroys
7165 PROP_tmt_usage, and add TODO_update_tmt_usage.
7166 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7167 * tree-flow.h (updating_used_alone): Prototype.
7168 (recalculate_used_alone): Ditto.
7169 * passes.c (execute_todo): Add code to set updating_used_alone,
7170 and call recalculate.
7171 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7172 for clobber if used alone, and add assert to verify used_alone
7175 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7177 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7178 for non tls symbols added.
7179 (legitimize_address): Do nothing for PLUS expressions if one of the
7180 addends is a tls symbol reference.
7182 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7186 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7188 * Makefile.in (BOOTSTRAPPING): New.
7189 (quickstrap): New definition if BOOTSTRAPPING=yes.
7191 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7192 * configure.ac: Substitute all_selected_languages with the languages
7193 that were configured. For all the other variables except
7194 lang_specs_files, include all the languages in the tree.
7195 * configure: Regenerate.
7197 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7198 if there is one. Run the commands to run fixincludes in the same
7201 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7202 * doc/install.texi: Document exact conventions for searching target tools.
7203 Document --with-build-time-tools. Document toplevel bootstrap. Document
7204 something more about building an Ada cross-compiler. Don't list GNU Make
7205 requirements which affect all platforms.
7207 2006-02-19 Roger Sayle <roger@eyesopen.com>
7210 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7211 only equivalent if the have both the same mode and precision.
7213 2006-02-20 Ben Elliston <bje@au.ibm.com>
7215 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7217 2006-02-19 Roger Sayle <roger@eyesopen.com>
7218 Steven Bosscher <stevenb.gcc@gmail.com>
7220 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7221 constant pool references to identify stack mode constants.
7222 * rtlanal.c (constant_pool_constant_p): New predicate to check
7223 whether operand is a floating point constant in the pool.
7224 * rtl.h (constant_pool_constant_p): Prototype here.
7225 * loop.c (scan_loop): Avoid hoisting constants from the constant
7226 pool on STACK_REGS targets.
7227 (load_mems): Likewise.
7228 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7229 loads into x87 registers expensive in terms of register pressure.
7231 2006-02-19 Roger Sayle <roger@eyesopen.com>
7233 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7234 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7236 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7238 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7239 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7241 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7243 * doc/invoke.texi: Document -fipa-pta.
7244 * common.opt: Add ipa-pta option.
7245 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7246 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7247 (do_ds_constraint): Ditto.
7248 (get_constraint_for): Only add to referenced_vars if
7249 referenced_vars exists.
7250 (insert_into_field_list): Rewrite to do this unsorted.
7251 (insert_into_field_list_sorted): Rename old insert_into_field_list
7253 (create_function_info_for): Use insert_into_field_list_sorted.
7254 (create_variable_info_for): Rewrite so it uses unsorted version,
7255 since the field list is sorted.
7256 (intra_create_variable_infos): Only add to referenced_vars if
7257 referenced_vars exists.
7258 (ipa_pta_execute): Init heapvars, and delete when done.
7259 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7261 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7263 * doc/install.texi: Add missing `@samp'.
7265 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7267 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7270 2006-02-18 Mark Wielaard <mark@klomp.org>
7272 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7273 who added new 4.1 features, bug fixes and integration support.
7275 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7278 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7281 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7283 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7284 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7285 (copy_insn_1): Likewise. Don't copy each field individually.
7287 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7289 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7290 * rtl.c (rtx_size): Rename variable to...
7291 (rtx_code_size): ...this.
7292 (rtx_size): New function.
7293 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7294 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7296 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7297 * rtl.h (rtx_code_size): New variable.
7298 (rtx_size): Change from a variable to a function.
7299 (RTX_SIZE): Rename to...
7300 (RTX_CODE_SIZE): ...this.
7303 PR tree-optimization/17106
7304 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7305 (Anchored Addresses): New section.
7306 * doc/invoke.texi (-fsection-anchors): Document.
7307 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7308 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7309 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7310 * hooks.c (hook_bool_mode_rtx_false): New function.
7311 * hooks.h (hook_bool_mode_rtx_false): Declare.
7312 * gengtype.c (create_optional_field): New function.
7313 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7314 SYMBOL_REF_IN_BLOCK_P is true.
7315 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7316 (min_anchor_offset, max_anchor_offset): Likewise.
7317 (use_anchors_for_symbol_p): New hook.
7318 * toplev.c (compile_file): Call output_object_blocks.
7319 (target_supports_section_anchors_p): New function.
7320 (process_options): Check that -fsection-anchors is only used on
7321 targets that support it and when -funit-at-a-time is in effect.
7322 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7323 if the decl doesn't have one.
7324 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7325 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7326 of force_const_mem through use_anchored_address.
7327 (expand_expr_constant): New function.
7328 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7329 calling expand_expr for INDIRECT_REF.
7330 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7331 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7332 * expr.h (use_anchored_address): Declare.
7333 * loop-unroll.c: Don't declare rtx vectors here.
7334 * explow.c: Include output.h.
7335 (validize_mem): Call use_anchored_address.
7336 (use_anchored_address): New function.
7337 * common.opt (-fsection-anchors): New switch.
7338 * varasm.c (object_block_htab, anchor_labelno): New variables.
7339 (hash_section, object_block_entry_eq, object_block_entry_hash)
7340 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7341 (use_blocks_for_decl_p, change_symbol_section): New functions.
7342 (get_variable_section): New function, split out from assemble_variable.
7343 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7344 use_blocks_for_decl_p say so. Use change_symbol_section if the
7345 symbol has already been created.
7346 (assemble_variable_contents): New function, split out from...
7347 (assemble_variable): ...here. Don't output any code for
7348 block symbols; just pass them to place_block_symbol.
7349 Use get_variable_section and assemble_variable_contents.
7350 (get_constant_alignment, get_constant_section, get_constant_size): New
7351 functions, split from output_constant_def_contents.
7352 (build_constant_desc): Create a block symbol if use_object_blocks_p
7353 says so. Or into SYMBOL_REF_FLAGS.
7354 (assemble_constant_contents): New function, split from...
7355 (output_constant_def_contents): ...here. Don't output any code
7356 for block symbols; just pass them to place_section_symbol.
7357 Use get_constant_section and get_constant_alignment.
7358 (force_const_mem): Create a block symbol if use_object_blocks_p and
7359 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7360 (output_constant_pool_1): Add an explicit alignment argument.
7361 Don't switch sections here.
7362 (output_constant_pool): Adjust call to output_constant_pool_1.
7363 Switch sections here instead. Don't output anything for block symbols;
7364 just pass them to place_block_symbol.
7365 (init_varasm_once): Initialize object_block_htab.
7366 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7367 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7368 (place_block_symbol, get_section_anchor, output_object_block)
7369 (output_object_block_htab, output_object_blocks): New functions.
7370 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7371 (TARGET_ASM_OUT): Include it.
7372 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7373 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7374 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7375 (TARGET_INITIALIZER): Include them.
7376 * rtl.c (rtl_check_failed_block_symbol): New function.
7377 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7378 (block_symbol, object_block): New structures.
7379 (rtx_def): Add a block_symbol field to the union.
7380 (BLOCK_SYMBOL_CHECK): New macro.
7381 (rtl_check_failed_block_symbol): Declare.
7382 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7383 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7384 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7385 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7386 * output.h (output_section_symbols): Declare.
7387 (object_block): Name structure.
7388 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7389 (default_use_anchors_for_symbol_p): Declare.
7390 * Makefile.in (RTL_BASE_H): Add vec.h.
7391 (explow.o): Depend on output.h.
7392 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7393 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7394 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7395 (rs6000_use_blocks_for_constant_p): New function.
7397 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7399 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7401 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7404 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7407 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7409 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7413 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7416 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7417 instead of DECL_REGISTER.
7419 2006-02-18 Olivier Hainque <hainque@adacore.com>
7422 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7424 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7427 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7428 * opth-gen.awk: Handle Var and InverseMask together.
7429 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7430 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7431 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7432 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7434 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7435 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7436 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7437 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7438 LINUX_DYNAMIC_LINKER): Define.
7439 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7440 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7442 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7443 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7444 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7445 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7446 (TARGET_C99_FUNCTIONS): Don't define.
7447 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7448 GLIBC_DYNAMIC_LINKER.
7449 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7450 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7451 GLIBC_DYNAMIC_LINKER64): Define.
7452 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7453 LINUX_DYNAMIC_LINKER64.
7454 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7455 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7456 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7457 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7458 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7459 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7460 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7461 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7462 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7463 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7464 and LINUX_DYNAMIC_LINKER32.
7465 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7466 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7467 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7468 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7469 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7471 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7472 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7473 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7474 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7475 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7476 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7477 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7478 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7479 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7480 LINUX_DYNAMIC_LINKER): Define.
7481 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7482 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7483 GLIBC_DYNAMIC_LINKER64): Define.
7484 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7485 LINUX_DYNAMIC_LINKER64.
7486 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7487 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7488 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7489 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7490 LINUX_DYNAMIC_LINKER): Define.
7491 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7492 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7493 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7494 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7495 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7496 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7497 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7498 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7499 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7500 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7501 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7502 * doc/invoke.texi (-muclibc): Remove caveat about supported
7505 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7507 * doc/cpp.texi (__TIMESTAMP__): Document.
7509 2006-02-17 Roger Sayle <roger@eyesopen.com>
7512 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7513 C is one less than the width of X (and related transformations).
7514 * simplify-rtx.c (simplify_unary_operation_1): Transform
7515 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7516 depending on STORE_FLAG_VALUE, were C is one less then the
7519 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7521 Fix PR tree-optimization/26341
7522 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7523 about NAME_MEMORY_TAG's.
7525 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7528 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7529 with hardware float support, and software float support. Add fcpy
7530 alternative to hardware patterns. Add alternatives to copy between
7531 general and floating-point registers to the 32-bit pattern.
7532 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7533 secondary reload to load a QI or HI mode constant into a floating
7535 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7536 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7538 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7541 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7543 (load_macho_picbase_di): Likewise.
7545 2006-02-16 Jeff Law <law@redhat.com>
7547 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7548 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7549 (ssa_name_nonzero_p): Likewise.
7550 (get_value_range): Return NULL if VRP is not running.
7551 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7552 VRP routines do not discover a range.
7553 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7554 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7555 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7556 (tree_expr_nonnegative_p): Similarly.
7557 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7558 (restore_nonzero_vars_to_original_value): Remove.
7559 (unsafe_associative_fp_binop): Remove.
7560 (tree_ssa_dominator_optimize): Remove initialization and
7561 finalization of nonzero_vars and nonzero_vars_stack.
7562 (dom_opt_initialize_block): No longer push marker on
7564 (dom_opt_finalize_block): No longer call
7565 restore_nonzero_vars_to_original_value.
7566 (record_equivalences_from_phis): No longer look for
7567 nonzero PHI arguments.
7568 (cprop_into_successor_phis): No longer propagate nonzero
7569 property into PHI arguments. Lose unused argument. Caller
7571 (record_equivalences_from_stmt): No longer record nonzero
7572 values for SSA_NAMEs.
7573 (lookup_avail_expr): No longer use nonzero_vars.
7575 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7576 for sizetype when sizetype is unsigned.
7578 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7580 PR rtl-optimization/25603
7581 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7582 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7583 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7584 with new meaning of SETS.
7586 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7591 * config/linux.opt: New file.
7592 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7593 LINUX_DYNAMIC_LINKER): Define.
7594 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7595 * config.gcc (*-*-linux*): Define extra_options.
7596 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7597 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7598 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7599 GLIBC_DYNAMIC_LINKER.
7600 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7601 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7602 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7604 * doc/invoke.texi (GNU/Linux Options): New section.
7606 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7608 * config/sparc/sparc.md (setjmp): Rewrite.
7609 (setjmp_32): Delete.
7610 (setjmp_64): Likewise.
7612 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7614 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7617 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7619 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7622 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7624 PR rtl-optimization/26296
7625 * Makefile.in (loop-invariant.c): Add except.h dependency.
7626 * loop-invariant.c: Include except.h.
7627 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7629 2005-02-16 Paul Brook <paul@codesourcery.com>
7631 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7634 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7636 PR rtl-optimization/25636
7637 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7638 when deciding whether an insn is an initializing insn.
7640 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7642 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7643 (tree_code_size): Ditto.
7644 * tree.h (struct tree_memory_tag): Remove parent_var.
7645 (struct tree_struct_field_tag): New.
7648 (union tree_node): Add sft member.
7649 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7651 (create_sft): Add size and offset argument, set SFT_OFFSET and
7653 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7654 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7655 * tree-flow-inline.h (get_subvar_at): Update for
7656 SFT_OFFSET/SFT_SIZE.
7657 (var_can_have_subvars): Ditto.
7658 (overlap_subvar): Ditto.
7659 * print-tree.c (print_node): Print out interesting things for
7661 * tree-flow.h (struct subvar): Remove offset and size members.
7662 * tree-ssa-operands.c (get_expr_operands): Update for
7663 get_indirect_ref_operands changes.
7664 (get_indirect_ref_operands): Call add_virtual_operand instead of
7665 add_stmt_operand. Only recurse on base var if requested.
7666 (access_can_touch_variable): New function.
7667 (add_stmt_operand): Split virtual operand handling into ...
7668 (add_virtual_operand): Here. Add offset, size, and for_clobber
7669 arguments. Prune alias sets.
7670 (add_call_clobber_ops): Call add_virtual_operand.
7672 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7675 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7677 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7678 than TREE_CODE as index into omp_clause_num_ops array.
7680 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7682 PR rtl-optimization/26184
7683 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7685 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7686 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7687 must_precede, must_follow and tobe_scheduled.
7690 * opts.c (common_handle_option): Free new_option pointer.
7691 * df-core.c (df_analyze): Free postorder pointer.
7693 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7695 * Makefile.in: Fix the examples about the use of stamps
7697 2006-02-15 Michael Matz <matz@suse.de>
7701 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7702 influenced by maximum_field_alignment or DECL_PACKED.
7703 (update_alignment_for_field): Ditto.
7704 (place_field): Ditto.
7705 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7708 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7710 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7711 (debug_flow_info): Pass it.
7712 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7713 * bb-reorder.c (reorder_basic_blocks): Likewise.
7714 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7715 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7716 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7717 * gcse.c (gcse_main, bypass_jumps): Likewise.
7718 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7719 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7720 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7721 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7722 * rtl.h (dump_flow_info): Adjust prototype.
7723 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7724 * var-tracking.c (variable_tracking_main): Likewise.
7725 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7726 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7729 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7731 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7734 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7736 PR tree-optimization/26209
7737 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7738 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7740 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7742 2006-02-14 Roger Sayle <roger@eyesopen.com>
7745 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7746 (X,Y) and the corresponding symmetry related transformations.
7747 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7748 (X,Y) and its symmetry related transformations.
7750 2006-02-14 Roger Sayle <roger@eyesopen.com>
7752 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7755 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7757 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7759 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7762 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7763 support COMDAT group.
7764 * configure: Regenerate.
7766 2006-02-14 Roger Sayle <roger@eyesopen.com>
7771 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7773 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7775 Fix PR tree-optimization/26260
7777 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7779 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7780 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7781 * tree-ssa-structalias.c (create_variable_info_for): Use
7782 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7784 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7786 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7788 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7789 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7790 of the ending condition.
7791 * tree-ssa-loop-manip.c: Include params.h.
7792 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7793 tree_unroll_loop): New functions.
7794 * tree-pass.h (pass_loop_prefetch): Declare.
7795 * loop.c (rest_of_handle_loop_optimize): Test for
7796 -fprefetch-loop-arrays-rtl.
7797 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7798 * timevar.def (TV_TREE_PREFETCH): New timevar.
7799 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7800 pass_loop_prefetch): New.
7801 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7802 (cleanup_tree_cfg_loop): Call scev_reset.
7803 * common.opt (fprefetch-loop-arrays-rtl): Add.
7804 * tree-ssa-loop-prefetch.c: New file.
7805 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7806 (new_temp_expr_table): Initialize expr_vars.
7807 (free_temp_expr_table): Cleanup expr_vars.
7808 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7809 expressions from being merged into one.
7810 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7811 (struct tree_niter_desc): Add control, bound and cmp fields.
7812 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7814 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7815 (tree-cfgcleanup.o): Add SCEV_H dependency.
7816 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7817 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7819 2006-02-14 Richard Guenther <rguenther@suse.de>
7821 PR tree-optimization/26258
7822 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7823 in PHI argument processing.
7825 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7827 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7828 new expression in the requested machine mode.
7830 2006-02-13 Roger Sayle <roger@eyesopen.com>
7832 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7833 directly, instead let do_compare_rtx_and_jump handle this for us.
7834 * expr.c (expand_expr_real_1): Likewise.
7835 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7836 before do_jump_by_parts_greater.
7837 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7838 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7840 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7842 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7844 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7846 PR rtl-optimization/26235
7847 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7848 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7851 2006-02-13 Jeff Law <law@redhat.com>
7853 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7856 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7859 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7860 twice if decl is a builtin. When trying again, call get_callee_fndecl
7861 first to verify it is still a builtin.
7863 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7865 * dwarf2out.c (base_type_die): Don't add AT_name here.
7866 (subrange_type_die): Don't add AT_name here.
7867 (modified_type_die): Rearrange code flow. Do add AT_name here.
7869 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7871 PR rtl-optimization/26247
7872 PR rtl-optimization/26248
7873 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7875 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7877 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7878 * config/fixtfdi.c: Likewise.
7879 * config/fixunstfdi.c: Likewise.
7880 * config/floatditf.c: Likewise.
7882 2006-02-13 Roger Sayle <roger@eyesopen.com>
7885 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7886 into (X,C2) if C1 is a subset of the bits of C2. Transform
7887 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7889 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7891 2006-02-13 Josh Conner <jconner@apple.com>
7894 * varasm.c (function_section): Check for section name before
7895 calling select_section on targets that define
7896 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7897 unlikely_text_section instead of hot_function_section if
7898 first_function_block_is_cold.
7900 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7903 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7905 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7907 PR rtl-optimization/26222
7908 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7909 after tree->rtl expansion.
7910 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7911 before passing it to emit_move_insn.
7913 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7915 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7917 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7918 Clarify documentation.
7919 * c-common.h (warn_write_strings): Remove.
7920 * c-common.c (warn_write_strings): Likewise.
7921 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7924 2006-02-12 Roger Sayle <roger@eyesopen.com>
7927 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7928 (do_jump_parts_zero_rtx): New function renamed from
7929 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7930 (do_jump_parts_equality_rtx): New function split out from
7931 do_jump_parts_equality. Old implementation renamed as above.
7932 Call do_jump_parts_zero_rtx if either operand is zero.
7933 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7934 do all of the heavy lifting.
7935 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7936 calling either do_jump_by_parts_greater_rtx or
7937 do_jump_by_parts_equality_rtx.
7938 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7939 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7940 moved to do_compare_rtx_and_jump, call it directly.
7941 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7942 mode argument. Call do_compare_rtx_and_jump.
7943 (emit_case_nodes): Update calls to do_jump_if_equal.
7945 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7947 PR rtl-optimization/26225
7948 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7950 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7952 PR rtl-optimization/26232
7953 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7955 2006-02-11 Jason Merrill <jason@redhat.com>
7958 * tree-inline.c (declare_return_variable): Just don't use the
7959 modify target if it's a gimple complex reg and the return slot
7962 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7964 * doc/contrib.texi: Update my entry.
7966 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7968 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7970 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7972 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7975 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7977 * doc/invoke.texi (-floop-optimize2): Removed.
7978 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7979 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7980 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7981 * common.opt (floop-optimize2): Removed.
7982 (fmove-loop-invariants): Enabled by default.
7984 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7986 * tree-if-conv.c (combine_blocks): Free the result of
7987 get_loop_exit_edges.
7989 2006-02-10 Jeff Law <law@redhat.com>
7991 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7993 PR tree-optimization/26213
7994 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7995 loop trying to follow SSA_NAME_VALUE chains.
7997 2006-02-10 Richard Guenther <rguenther@suse.de>
7999 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8000 deal with structures that end in implicitly variable sized arrays.
8002 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8004 PR rtl-optimization/24762
8005 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8008 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8010 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8011 (struct ivopts_data): Add regs_used field.
8012 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8013 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8014 instead of loop_data->regs_used;
8015 (free_loop_data): Do not free aux fields for loops.
8016 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8017 and tree_ssa_iv_optimize_finalize.
8019 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8021 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8023 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8026 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8027 computing the effective result type.
8029 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8032 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8033 (tree_overlaps_hard_reg_set): Declare.
8034 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8035 type and signature to match function type expected by walk_tree.
8036 (tree_overlaps_hard_reg_set): New function.
8037 (decl_conflicts_with_clobbers_p): Rename to:
8038 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8039 Use tree_overlaps_hard_reg_set. Changed caller.
8040 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8041 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8042 * cris.c (cris_md_asm_clobbers): Likewise.
8044 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8046 * reload1.c (emit_input_reload_insns): Delete code that tries to
8047 inherit using find_equiv_reg.
8049 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8051 * c-common.h (flag_const_strings): Don't declare.
8052 * c-common.c (flag_const_strings): Remove.
8053 * c.opt (fconst_strings): Remove.
8054 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8055 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8056 (c_common_init_options): Don't set flag_const_strings.
8057 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8059 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8061 * arm.md (tlobits_cbranch): New pattern.
8062 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8063 testing a single bit.
8065 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8068 * tree-ssa-pre.c (create_component_ref_by_pieces):
8069 Handle RETURN_DECL like VAR_DECL.
8071 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8074 * fold-const.c (fold_indirect_ref_1): Fold
8075 "*(foo *)&complexfoo" to "__real__ complexfoo"
8076 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8078 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8080 * tree-flow-inline.h (var_can_have_subvars):
8081 Volatile variables should not have subvariables.
8083 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8086 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8087 multiplying unsigned values.
8090 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8092 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8094 2006-02-08 Jason Merrill <jason@redhat.com>
8097 * tree.def: Elaborate on difference from MODIFY_EXPR.
8098 * doc/c-tree.texi (INIT_EXPR): Likewise.
8099 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8100 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8101 (gimplify_target_expr): Likewise.
8102 (gimplify_cond_expr): Remove target handling.
8103 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8104 (gimplify_expr): Clobber it here.
8105 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8106 Do return slot optimization if we have an INIT_EXPR.
8109 * tree-inline.c (declare_return_variable): Also clear
8110 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8113 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8116 * gimplify.c (gimplify_one_sizepos): Fix typo.
8118 2006-02-08 Jeff Law <law@redhat.com>
8120 PR tree-optimization/21417
8121 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8122 across a backedge if the control statement at the end of the
8123 block is data dependent on other statements in the same block.
8124 (record_temporary_equivalences_from_stmts): Remove over-conservative
8125 test for threading across backedges.
8127 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8128 control statement, handle all three special cases in the same
8129 manner as they all have the same desired solution. No longer
8130 special case edge flag updating when the post dominator is
8133 2006-02-08 Roger Sayle <roger@eyesopen.com>
8135 * tree.def (CHAR_TYPE): Remove.
8136 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8137 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8138 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8139 (gen_string_type_die): Delete unreachable function.
8141 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8142 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8143 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8144 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8145 * builtins.c (type_to_class): Likewise.
8146 * fold-const.c (fold_convert, build_range_check,
8147 merge_ranges): Likewise.
8148 * expr.c (count_type_elements): Likewise.
8149 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8150 * stor-layout.c (layout_type): Likewise.
8151 * ipa-type-escape.c (type_to_consider): Likewise.
8152 * gimplify.c (omp_firstprivatize_type_sizes,
8153 gimplify_type_sizes): Likewise.
8154 * explow.c (promote_mode): Likewise.
8155 * tree-sra.c (is_sra_scalar_type): Likewise.
8156 * varasm.c (output_constant): Likewise.
8157 * tree-inline.c (remap_type_1): Likewise.
8158 * convert.c (convert_to_pointer, convert_to_real,
8159 convert_to_integer, convert_to_complex): Likewise.
8161 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8163 * df-scan.c (df_def_record_1): A set destination may
8164 be a parallel regardless of mode.
8166 2006-02-08 Roger Sayle <roger@eyesopen.com>
8169 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8170 * config/mips/_tilib.c: Remove.
8171 * config/fixtfdi.c: New libgcc source file.
8172 * config/fixunstfdi.c: New source file.
8173 * config/floatditf.c: New source file.
8174 * config/floatunditf.c: New souce file.
8175 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8176 files above instead of config/mips/_tilib.c.
8177 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8179 2006-02-08 Jeff Law <law@redhat.com>
8181 PR tree-optimization/26169
8182 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8185 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8187 * df.h (DF_REG_SIZE): Return the length of the initialized
8190 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8192 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8193 __muldf3): Return a correctly signed zero.
8195 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8197 * passes.c (register_one_dump_file): Accept the current properties
8198 instead of pass number. Adjust call to dump_register. Remove
8200 (register_dump_files): Now a wrapper around...
8201 (register_dump_files_1): ... this one. Do not modify the pass
8203 (next_pass_1): Cosmetic fix.
8204 (execute_todo): Keep second parameter only. Use curr_properties
8205 instead of fetching it from the pass structure. Check and set
8207 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8208 instead of fetching it from the pass structure. Fix calls to
8209 execute_todo. Update curr_properties and initialize .vcg RTL dump
8210 after running the pass. Reset last_verified.
8211 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8213 (FIRST_AUTO_NUMBERED_DUMP): New.
8214 (dump_register): Remove "num" parameter, assign it within the
8216 (get_dump_file_name): Modify template for dumps.
8217 * tree-dump.h (dump_register): Adjust prototype.
8218 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8219 (PROP_trees): Add PROP_gimple_lomp.
8220 (TODO_set_props): New.
8221 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8222 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8223 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8225 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8227 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8228 (sparc64-*-linux*): Likewise.
8229 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8230 * config/sparc/t-linux: New file.
8231 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8232 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8233 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8234 -m32 -mlong-double-128.
8236 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8237 * config/alpha/t-linux: New file.
8238 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8240 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8241 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8242 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8243 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8244 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8245 (CPP_ARCH32_SPEC): Remove.
8247 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8249 PR tree-optimization/26145
8250 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8253 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8256 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8257 >= 240000 when generating code for SOM runtime.
8258 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8259 to $$dyncall when generating code for SOM runtime..
8261 2006-02-07 Dirk Mueller <dmueller@suse.com>
8264 * doc/invoke.texi (-Wsequence-point): Update documentation
8265 that -Wsequence-point is implemented for C++ as well.
8267 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8269 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8270 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8271 (LIB_SPEC): Likewise.
8272 * doc/invoke.texi (SPARC options): Document -pthread.
8274 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8276 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8279 2006-02-07 Roger Sayle <roger@eyesopen.com>
8281 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8282 Correct comment describing BOOLEAN_TYPE.
8284 2006-02-07 Dirk Mueller <dmueller@suse.com>
8286 * c.opt: C++ frontend supports -Wdiv-by-zero.
8287 * c-opts.c (c_common_handle_option): Remove dead case.
8289 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8291 * configure.ac (TLS assembler check): Do not enable TLS by
8292 default on SPARC/Solaris before version 10.
8293 * configure: Regenerate.
8295 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8297 * doc/invoke.texi (xl-compat): Document conversion and support
8300 2006-02-07 Jeff Law <law@redhat.com>
8302 * tree-vrp.c (find_conditional_asserts): Update comments.
8303 (simplify_stmt_for_jump_threading): New.
8304 (identify_jump_threads, finalize_jump_threads): New.
8305 (vrp_finalize): Call identify_jump_threads.
8306 (execute_vrp): Call finalize_jump_threads.
8307 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8308 (vrp_element, vrp_data, vrp_element_p): Remove.
8309 (vrp_hash_elt, vrp_variables_stack): Remove.
8310 (vrp_hash, vrp_eq, record_range): Remove.
8311 (simplify_cond_and_lookup_avail_expr): Remove.
8312 (extract_range_from_cond): Remove.
8313 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8314 (simplify_stmt_for_jump_threading): New.
8315 (dom_thread_across_edge): New wrapper.
8316 (tree_ssa_dominator_optimize): No longer initialize or
8317 finalize any of the VRP datastructures. Remove iteration
8318 step and simplify as a result of removal of iteration step.
8319 (pass_dominator): Perform a cfg cleanup after DOM.
8320 (dom_opt_finalize_block): Use the new common routines
8321 for threading jumps. Simplify stack management slightly.
8322 No longer need to unwind VRP state.
8323 (record_equivalences_from_incoming_edge): No longer record
8325 (eliminate_redundant_computations): No longer call
8326 simplify_cond_and_lookup_avail_expr.
8327 * tree-flow.h (potentially_threadable_block): Prototype.
8328 (thread_across_edge): Likewise.
8329 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8330 (tree-ssa-threadedge.o): Add dependencies.
8331 * tree-ssa-threadedge.c: New file.
8332 * passes.c (init_optimization_passes): Merge PHIs before
8333 calling VRP. Run VRP again late in the SSA optimization pipeline.
8335 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8337 * df-core.c (df_set_blocks): Do not dereference function pointers.
8338 (df_finish1): Likewise.
8339 (df_hybrid_search_forward): Likewise.
8340 (df_hybrid_search_backward): Likewise.
8341 (df_iterative_dataflow): Likewise.
8342 (df_analyze_problem): Likewise.
8343 (df_compact_blocks): Likewise.
8344 (df_dump): Likewise.
8345 * df-scan.c (df_rescan_blocks): Likewise.
8346 (df_record_entry_block_defs): Likewise.
8348 * genconditions.c (write_conditions): Guard the definition of
8349 'insn_conditions' with the check on GCC version.
8350 (write_writer): Guard the traversal 'insn_conditions' with
8351 the check on GCC version.
8353 2006-02-07 Richard Guenther <rguenther@suse.de>
8357 2006-01-30 Richard Guenther <rguenther@suse.de>
8359 * gimplify.c (gimplify_target_expr): Handle easy cases
8360 without creating a temporary.
8362 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8364 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8365 use of float in probability computations. Use edge probabilities
8366 in place of statically computed probabilities.
8367 (min_spec_prob): New static variable.
8368 (schedule_insns): Initialize it.
8369 (GET_SRC_PROB): Removed.
8370 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8372 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8375 * config/ia64/unwind-ia64.c: Revert last change.
8376 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8377 (INCOMING_FRAME_SP_OFFSET): Define.
8379 2006-02-06 Roger Sayle <roger@eyesopen.com>
8381 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8383 2006-02-07 Ben Elliston <bje@au.ibm.com>
8385 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8386 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8387 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8388 (ix86_return_in_memory): Handle TDmode.
8389 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8390 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8392 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8394 * reorg.c (dbr_schedule): Use dump_file instead of file.
8396 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8399 * config/ia64/predicates.md (extr_len_operand): New predicate.
8400 * config/ia64/ia64.md (extv): Tighten constraints.
8402 (*tbit_and_2): Ditto.
8403 (*tbit_and_3): Ditto.
8404 (*tbit_or_2): Ditto.
8405 (*tbit_or_3): Ditto.
8409 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8412 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8414 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8416 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8417 loop_optimizer_init and loop_optimizer_finalize
8418 * tree-ssa-sink.c (execute_sink_code): Ditto.
8419 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8420 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8421 tree_ssa_loop_done): Ditto.
8422 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8423 * sched-ebb.c: Include output.h.
8424 (schedule_ebbs): Do not use dump argument.
8425 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8426 * loop.c (loop_dump_stream): Removed.
8427 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8429 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8430 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8431 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8432 loop_iterations, strength_reduce, record_biv, record_giv,
8433 final_giv_value, check_final_value, check_ext_dependent_givs,
8434 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8435 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8436 dump_file instead of loop_dump_stream.
8437 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8439 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8441 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8442 * haifa-sched.c: Include output.h
8443 (schedule_insns, sched_init): Do not use dump argument.
8444 * mode-switching.c (optimize_mode_switching): Ditto.
8445 * modulo-sched.c (stats_file): Removed.
8446 (print_node_sched_params): Do not call argument dump_file.
8447 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8448 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8450 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8452 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8453 rtl_loop_init, rtl_loop_done): Ditto.
8454 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8455 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8457 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8458 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8459 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8460 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8461 * emit-rtl.c (renumber_insns): Ditto.
8462 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8463 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8464 * regclass.c (regclass): Ditto.
8465 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8466 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8467 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8468 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8470 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8471 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8473 * gcse.c (gcse_file, debug_stderr): Removed.
8474 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8475 rest_of_handle_gcse): Do not use dump argument.
8476 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8477 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8478 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8479 compute_code_hoist_vbeinout, compute_code_hoist_data,
8480 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8481 compute_store_table, build_store_vectors, insert_insn_start_bb,
8482 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8483 store_motion): Use dump_file instead of gcse_file.
8484 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8485 * profile.c (profile_dump_file): Removed.
8486 (branch_prob): Use dump_file instead of profile_dump_file.
8487 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8489 * tree-ssa-copy.c (dump_copy_of): Ditto.
8490 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8491 dump file to life_analysis.
8492 * bt-load.c (branch_target_load_optimize): Ditto.
8493 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8495 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8496 regclass, dbr_schedule): Declaration changed.
8497 * sched-int.h (sched_init): Declaration changed.
8498 * tree-profile.c (tree_profile_dump_file): Removed.
8499 (tree_profile_hooks): Removed profile_dump_file hook.
8500 * rtl-profile (rtl_profile_dump_file): Removed.
8501 (rtl_profile_hooks): emoved profile_dump_file hook.
8502 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8504 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8505 * tree-cfg.c (build_tree_cfg): Ditto.
8506 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8507 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8508 Declaration changed.
8509 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8510 life_analysis and schedule_insns.
8511 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8513 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8515 * config/mips/mips.c (mips_reorg): Ditto.
8516 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8519 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8521 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8522 (s390_mangle_fundamental_type): New.
8523 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8526 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8527 (alpha_mangle_fundamental_type): New.
8528 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8531 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8533 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8535 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8536 (sparc_mangle_fundamental_type): New.
8538 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8540 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8541 (s390x-*-linux*): Likewise.
8542 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8543 * config/s390/t-linux: New file.
8545 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8547 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8548 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8550 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8552 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8553 (ANTIC_SAFE_LOADS): New macro.
8554 (find_or_generate_expression): Add prototype.
8555 (set_contains_value): Allow null set for sake of not always having
8556 to allocate ANTIC_SAFE_LOADS.
8557 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8558 Allow COMPONENT_REF too.
8559 (valid_in_set): Allow COMPONENT_REF.
8560 Check ANTIC_SAFE_LOADS too.
8561 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8562 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8564 (can_PRE_operation): Add COMPONENT_REF.
8565 (create_component_ref_by_pieces): New function.
8566 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8567 (insert_aux): Move AGGREGATE_TYPE_P check here.
8568 (compute_avail): Set bb local stmt uids.
8569 (pass_pre): Use TODO_update_ssa_only_virtuals.
8571 2006-02-06 Ben Elliston <bje@au.ibm.com>
8573 * configure.ac: Unconditionally disable decimal float by default.
8574 * configure: Regenerate.
8576 2006-02-06 Ben Elliston <bje@au.ibm.com>
8578 * read-rtl.c (read_name): Terminate reading on EOF.
8580 2006-02-06 Ben Elliston <bje@au.ibm.com>
8582 * dfp.c (decimal_real_arithmetic): Change second argument type
8583 from int to enum tree_code. Do not always return true, but now
8584 return result of any call to decimal_do helper functions.
8585 * dfp.h (decimal_real_arithmetic): Update prototype.
8587 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8589 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8591 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8594 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8597 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8599 * tree-vrp.c (cfg_loops): Removed.
8600 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8601 Use current_loops instead of cfg_loops. Pass flags to
8602 loop_optimizer_init.
8603 * cfgloopmanip.c (fix_loop_structure): Update only available
8605 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8606 loop_optimizer_init.
8607 * modulo-sched.c (build_loops_structure): Removed.
8608 (sms_schedule): Use loop_optimizer_init.
8609 * loop-init.c (loop_optimizer_init): Use flags to determine
8610 which properties of loops to prepare.
8611 (rtl_loop_init): Pass flags to loop_optimizer_init.
8612 * tree-ssa-sink.c (execute_sink_code): Ditto.
8613 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8614 * tree-ssa-pre.c (init_pre): Ditto.
8615 * cfgloop.h (LOOPS_NORMAL): New.
8616 (loop_optimizer_init): Declaration changed.
8618 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8620 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8621 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8623 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8625 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8627 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8628 * pa/t-pa64: Delete quadlib.c rule.
8629 * pa/x-ada: Revert last change.
8630 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8632 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8634 PR rtl-optimization/26087
8635 * rtlanal.c (canonicalize_condition): Do not cross basic block
8638 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8641 * config/ia64/ia64.c: Include debug.h.
8642 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8643 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8644 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8645 (process_epilogue, process_set, process_for_unwind_directive):
8646 Output unwind info only if requested. Add CFA info if requested.
8647 Add new arguments as needed. Adjust callers.
8648 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8650 (DWARF2_FRAME_INFO): Define to zero.
8651 * config/ia64/unwind-ia64.c: Remove code that compensated for
8652 the CFA offset error fixed above.
8653 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8654 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8655 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8656 -funwind-tables and -fexceptions to enable frame info.
8657 (dwarf2out_frame_init): Define initial CFA even if
8658 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8659 DWARF2_UNWIND_INFO is nonzero, not just defined.
8660 (dwarf2out_frame_finish): Output non-EH call frame info only
8661 if DWARF2_FRAME_INFO is nonzero.
8662 (convert_cfa_to_loc_list,
8663 compute_frame_pointer_to_cfa_displacement): Define even if
8664 unwind info is not supported.
8665 (gen_subprogram_die): Use the above unconditionally. Remove
8666 legacy alternate code.
8667 * toplev.c (compile_file): Compile in call to
8668 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8669 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8671 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8672 Jakub Jelinek <jakub@redhat.com>
8674 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8675 IBM extended float format long double as "g" on powerpc*-linux.
8677 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8680 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8681 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8683 2006-02-03 Jason Merrill <jason@redhat.com>
8686 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8689 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8690 on the return slot if it's an NRV.
8692 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8694 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8695 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8696 rewrite_use): Do not handle USE_OUTER.
8697 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8698 add_iv_outer_candidates, may_replace_final_value,
8699 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8700 (find_interesting_uses_op): Functionality of
8701 find_interesting_uses_outer_or_nonlin moved here.
8702 (find_interesting_uses_outside): Use find_interesting_uses_op.
8704 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8707 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8709 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8710 Ulrich Weigand <uweigand@de.ibm.com>
8713 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8714 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8715 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8716 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8718 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8719 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8720 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8721 Define secondary reloads for TFmode moves.
8722 (constant_modes): Add TFmode.
8723 (NR_C_MODES): Set to 8.
8724 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8726 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8727 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8728 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8729 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8730 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8731 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8732 (FPR mode macro): Add TFmode.
8733 (DSF mode macro): New.
8734 (<de>, <dee> mode attributes): Removed.
8735 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8736 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8737 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8738 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8739 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8740 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8741 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8742 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8743 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8744 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8745 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8746 "*negabs<mode>2", "sqrt<mode>2"):
8747 Changed <de> to <xde>. R constraint replaced by <Rf>.
8748 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8750 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8751 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8752 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8754 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8755 "extenddftf2", "extendsftf2"): New expanders.
8756 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8757 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8758 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8759 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8761 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8762 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8763 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8764 __floatditf): Add a GCC_4.1.0 symbol version tag.
8765 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8768 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8771 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8772 Use targetm.binds_local_p instead of TREE_PUBLIC.
8774 2006-02-02 Roger Sayle <roger@eyesopen.com>
8776 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8777 on INTEGER_TYPEs to indicate that it denotes a character type.
8778 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8779 signed_char_type_node, unsigned_char_type_node and char_type_node.
8780 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8781 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8782 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8784 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8785 Daniel Berlin <dberlin@dberlin.org>
8787 * tree-tailcall.c (arg_needs_copy_p): New function.
8788 (eliminate_tail_call): Use arg_needs_copy_p.
8789 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8790 (add_virtual_phis): New function.
8792 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8794 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8795 #ignore instead of #scratch for %g7 .register directive.
8797 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8799 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8802 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8804 * flow.c (calculate_global_regs_live): Assert that there aren't any
8807 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8809 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8811 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8812 bsi_after_labels iterator.
8813 * tree-if-conv.c (find_phi_replacement_condition,
8814 replace_phi_with_cond_modify_expr): Likewise.
8815 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8816 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8818 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8820 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8822 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8825 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8826 array after growing it.
8828 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8831 * fold-const.c (fold_checksum_tree): Change type of buf.
8833 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8835 * reload.c (push_secondary_reload): Initialize t_icode.
8837 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8839 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8840 -msoft-float -mlong-double-128 only issue a warning, but don't
8841 swich to DFmode long double.
8843 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8845 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8846 has a constant equivalent, iterate over equivalents for arg0,
8847 calling simplify_relational_operation and if there's a result
8848 cheaper than X, apply fold_rtx and return the result.
8850 2006-02-01 Jan Hubicka <jh@suse.cz>
8852 * opts.c (no_unit_at_a_time_default): New global variable.
8853 (decode_options): Use it.
8854 * opts.h (no_unit_at_a_time_default): Declare.
8856 2006-02-01 Paul Brook <paul@codesourcery.com>
8858 * function.c (assign_parm_setup_reg): Use function argument promotion
8860 * expr.c (expand_expr_real_1): Use function argument promotion rules
8863 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8865 * gcc.c (process_command): Change j to 'unsigned int'.
8867 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8870 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8871 Use the corrected index for the character
8872 out of the string constant.
8874 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8876 * mode-switching.c (optimize_mode_switching): Fix size
8877 allocated for bb_info[n_entities].
8879 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8881 * gcc.c (main): Correct type that is allocated for
8882 explicit_link_files.
8884 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8886 * config/s390/s390.c (init_alignment_context): Set
8887 ALIAS_SET_MEMORY_BARRIER on the MEM.
8888 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8890 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8893 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8895 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8898 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8900 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8901 * regrename.c: Ditto.
8902 * tree-ssa-loop-im.c: Ditto.
8903 * tree-dump.c: Ditto.
8904 * tree-complex.c: Ditto.
8905 * genrecog.c: Ditto.
8906 * tree-ssa-threadupdate.c: Ditto.
8908 * java/class.c: Ditto.
8909 * java/jcf-parse.c: Ditto.
8910 * java/resource.c: Ditto.
8911 * java/except.c: Ditto.
8912 * java/jvspec.c: Ditto.
8913 * java/jcf-write.c: Ditto.
8914 * java/jcf-path.c: Ditto.
8915 * java/gjavah.c: Ditto.
8916 * java/zextract.c: Ditto.
8917 * java/jcf-io.c: Ditto.
8918 * java/jcf.h: Ditto.
8919 * java/buffer.c: Ditto.
8920 * java/lang.c: Ditto.
8921 * java/parse-scan.y: Ditto.
8922 * java/lex.c: Ditto.
8923 * java/lex.h: Ditto.
8924 * cfgloopmanip.c: Ditto.
8925 * postreload-gcse.c: Ditto.
8926 * tree-ssa-loop-manip.c: Ditto.
8927 * postreload.c: Ditto.
8928 * tree-ssa-loop-ch.c: Ditto.
8932 * diagnostic.c: Ditto.
8934 * genoutput.c: Ditto.
8936 * cfghooks.c: Ditto.
8937 * cfgloopanal.c: Ditto.
8938 * objc/objc-act.c: Ditto.
8940 * genextract.c: Ditto.
8941 * genautomata.c: Ditto.
8942 * pretty-print.c: Ditto.
8944 * cgraphunit.c: Ditto.
8947 * haifa-sched.c: Ditto.
8948 * dominance.c: Ditto.
8950 * tree-ssa-loop-ivopts.c: Ditto.
8952 * mode-switching.c: Ditto.
8953 * modulo-sched.c: Ditto.
8955 * ipa-pure-const.c: Ditto.
8957 * fix-header.c: Ditto.
8959 * tree-stdarg.c: Ditto.
8960 * ipa-utils.c: Ditto.
8961 * loop-init.c: Ditto.
8962 * ipa-inline.c: Ditto.
8965 * alloc-pool.c: Ditto.
8966 * dwarf2out.c: Ditto.
8968 * genattrtab.c: Ditto.
8969 * tree-ssa-loop-ivcanon.c: Ditto.
8973 * fortran/gfortranspec.c: Ditto.
8975 * local-alloc.c: Ditto.
8976 * langhooks.c: Ditto.
8977 * function.c: Ditto.
8978 * tree-vectorizer.c: Ditto.
8980 * ipa-type-escape.c: Ditto.
8982 * tree-if-conv.c: Ditto.
8985 * tree-data-ref.c: Ditto.
8986 * loop-unroll.c: Ditto.
8987 * treelang/treetree.c: Ditto.
8990 * ggc-common.c: Ditto.
8992 * coverage.c: Ditto.
8994 * tree-cfgcleanup.c: Ditto.
8995 * tree-ssa-pre.c: Ditto.
8996 * cfgcleanup.c: Ditto.
8997 * loop-invariant.c: Ditto.
8999 * ipa-prop.c: Ditto.
9000 * print-tree.c: Ditto.
9001 * conflict.c: Ditto.
9002 * ggc-page.c: Ditto.
9003 * sched-deps.c: Ditto.
9004 * regclass.c: Ditto.
9005 * tree-object-size.c: Ditto.
9007 * bb-reorder.c: Ditto.
9008 * resource.c: Ditto.
9009 * var-tracking.c: Ditto.
9011 * df-problems.c: Ditto.
9012 * reg-stack.c: Ditto.
9015 * sched-rgn.c: Ditto.
9016 * tree-ssa-structalias.c: Ditto.
9017 * tree-ssa-reassoc.c: Ditto.
9018 * config/darwin-c.c: Ditto.
9019 * config/darwin.c: Ditto.
9020 * config/arm/arm.c: Ditto.
9022 * collect2.c: Ditto.
9025 2006-01-31 Nicolas Pitre <nico@cam.org>
9027 * arm.md (smaxsi3): Make aware of smax_m1.
9030 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9032 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9034 2006-01-31 Richard Guenther <rguenther@suse.de>
9036 * doc/invoke.texi (-msselibm): Document.
9037 * target.h (expand_library_builtin): New target hook.
9038 * builtins.c (expand_builtin): Use expand_library_builtin.
9039 (default_expand_library_builtin): New function.
9040 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9041 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9042 (link_gcc_math_spec): Declare.
9043 (static_specs): Add link_gcc_math_spec.
9044 * expr.h (default_expand_library_builtin): Declare.
9045 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9046 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9047 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9048 * config/i386/i386.opt (msselibm): New target option.
9049 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9050 (ix86_init_sse_abi_builtins): New function.
9051 (ix86_expand_library_builtin): Likewise.
9052 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9053 (override_options): Handle error conditions wrt -msselibm.
9054 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9055 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9056 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9059 2006-01-31 Richard Guenther <rguenther@suse.de>
9060 Paolo Bonzini <bonzini@gnu.org>
9062 * doc/install.texi (--disable-libgcc-math): Document.
9064 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9066 * expr.h (expand_normal): new inline function.
9067 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9069 * dwarf2out.c: use it.
9074 * config/sparc/sparc.c: use it.
9075 * config/i386/i386.c: use it.
9076 * config/rs6000/rs6000.c: use it.
9077 * config/arm/arm.c: use it.
9078 * config/mips/mips.c: use it.
9079 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9081 2006-01-30 Roger Sayle <roger@eyesopen.com>
9083 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9084 argv to the appropriate type.
9086 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9088 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9091 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9094 * config/s390/s390.c (struct machine_function): New flag
9095 decomposed_literal_pool_addresses_ok_p.
9096 (s390_reorg): Set it before final stage of literal pool transforms.
9097 (s390_decompose_address): Only accept displacements of the form
9098 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9100 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9102 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9103 the comparison routine return.
9105 2006-01-30 Michael Matz <matz@suse.de>
9107 * global.c (find_reg): Only evict for global regs.
9108 Take n_refs into account and dump more info.
9110 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9113 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9114 (pragma_trap, pragma_nosave_low_regs): Likewise.
9115 (current_function_anonymous_args): Likewise.
9116 (sh_deferred_function_attributes): New variable.
9117 (sh_deferred_function_attributes_tail): Likewise.
9118 (print_operand): For '@', look up trap_exit attribute.
9119 (calc_live_regs): Look up trapa_handler attribute. For trapa
9120 handlers, save/restore fpscr, but don't do any other
9121 interrupt-specific saves.
9122 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9123 Fix check for partially saved registers to check for SHmedia.
9124 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9125 (sh_output_function_epilogue): Don't clear any of the removed
9127 (sh_insert_attributes): Don't check pragma_interrupt.
9128 Insert deferred attributes. Check that interrupt attribute is
9129 present for other attributes that require its presence.
9130 (sh_attribute_table): Add new attributes trapa_handler and
9132 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9133 Don't check for pragma_interrupt. Don't store argument.
9134 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9135 (sh_deferred_function_attributes): Declare.
9136 (sh_deferred_function_attributes_tail): Likewise.
9137 * sh.md (sp_switch_1): Add operand. Change generator caller.
9138 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9139 (*return_i): Don't use when trap_exit attribute is in effect.
9140 (*return_trapa): New insn pattern.
9142 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9143 setting c_target_objs and cxx_target_objs.
9144 * t-sh: Add rule for sh-c.o.
9146 2006-01-30 Richard Guenther <rguenther@suse.de>
9149 * gimplify.c (gimplify_target_expr): Handle easy cases
9150 without creating a temporary.
9152 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9154 * vec.h (safe_grow): Remove duplicated line.
9156 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9159 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9160 (expand_omp): ... here.
9161 (expand_omp_parallel): Only remove barriers for combined
9162 parallel+workshare constructs.
9164 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9168 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9169 * tree.c (build_qualified_type): Chain the new type to the original
9170 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9171 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9172 (build_pointer_type_for_mode): Only return unqualified types.
9173 (build_reference_type_for_mode): Likewise.
9175 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9177 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9178 * Makefile.in (CXX_COMPAT_WARN): Define.
9179 * configure: Regenerate.
9181 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9184 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9187 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9189 * toplev.c: Fix thinko.
9191 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9192 Marcin Dalecki <martin@dalecki.de>
9194 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9195 (push_srcloc): Use XNEW.
9196 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9198 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9200 * df-core.c (df_set_blocks): Deleted all variable.
9202 2006-01-28 Ian Lance Taylor <ian@airs.com>
9204 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9205 cgraph_output_pending_asms.
9207 2006-01-28 Zack Weinberg <zackw@panix.com>
9209 * c.opt: Add -W(no-)overlength-strings.
9210 * doc/invoke.texi: Document it.
9211 * c-opts.c (c_common_handle_option): -pedantic implies
9212 -Woverlength-strings, if not explicitly disabled already.
9213 (c_common_post_options): -Woverlength-strings defaults to off, and
9214 is always off for C++.
9215 * c-common.c (fix_string_type): Issue warning about strings longer
9216 than is portable only if warn_overlength_strings. Rearrange code
9217 a little for clarity.
9218 * configure.in: Check for -Wno-overlength-strings as well before
9219 enabling -pedantic in stage 1.
9220 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9221 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9223 * genconditions.c (write_header, write_one_condition)
9224 (write_conditions, write_writer): Consolidate very long strings
9225 that were broken up to fit in C89 portable limit. Don't use
9226 printf when fputs will do.
9228 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9230 * combine.c (simplify_comparison <AND>): Check
9231 TRULY_NOOP_TRUNCATION before start using a subreg.
9233 * config/mips/mips.md (*branch_zero<mode>,
9234 *branch_zero<mode>_inverted, *branch_equality<mode>,
9235 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9236 Remove mode check from comparisons.
9238 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9240 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9242 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9244 * expmed.c (const_mult_add_overflow_p): Remove.
9245 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9247 * recog.c (validate_replace_rtx_subexp): Remove.
9248 * recog.h: Remove the prototype for
9249 validate_replace_rtx_subexp.
9251 * integrate.h: Remove the prototype for
9252 copy_decl_for_inlining.
9253 * rtl.h: Remove the prototype for mark_constant_function.
9254 * tree-vectorizer.h: Remove the prototype for
9255 vect_strip_conversion.
9257 * modulo-sched.c (create_partial_schedule,
9258 free_partial_schedule, reset_partial_schedule): Make them
9261 * hooks.c (hook_bool_rtx_int_false): Remove.
9262 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9264 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9266 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9267 and -mlong-double-128 are incompatible.
9268 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9269 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9270 (TARGET_LIBGCC2_CFLAGS): Define.
9271 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9272 (TARGET_LIBGCC2_CFLAGS): Same.
9273 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9275 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9278 * c-typeck.c (build_binary_op): Perform implicit casts of
9279 operands before shortening them.
9281 * cfgloopmanip.c (split_loop_bb): Remove.
9282 * cfgloop.h: Remove the prototype for split_loop_bb.
9284 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9285 * cfgloop.h: Remove the prototype for
9286 flow_loop_outside_edge_p.
9288 * emit-rtl.c (init_virtual_regs): Make it static.
9289 * function.h: Remove the prototype for init_virtual_regs.
9291 * recog.c (peephole2_optimize): Make it static.
9292 * recog.h: Remove the prototype for peephole2_optimize.
9294 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9296 * df-scan.c (df_record_entry_block_defs): Check if
9297 INCOMING_RETURN_ADDR_RTX is defined.
9299 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9300 Kenneth Zadeck <zadeck@naturalbridge.com>
9302 PR rtl-optimization/24762
9303 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9304 * targhooks.c (hook_void_bitmap): New hook prototype.
9305 * targhoohs.h (hook_void_bitmap): Ditto.
9306 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9307 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9308 * target.h (live_on_entry): New function pointer.
9309 * df-scan.c (df_all_hard_regs): Removed.
9310 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9311 (df_scan_free_internal): Added df->entry_block_defs.
9312 (df_scan_alloc): Ditto.
9313 (df_scan_dump): Ditto.
9314 (df_uses_record): Plumbed flag field properly thru calls.
9315 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9316 This part fixes PR24762.
9317 (df_bb_refs_record): Added code to make the frame and arg
9318 pointers live in EH blocks.
9319 (df_refs_record): Added call to df_record_entry_block_defs.
9320 (df_record_entry_block_defs): New function.
9321 * df-core.c: Added comments to describe new artifical defs.
9322 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9323 (entry_block_defs): New field in struct df.
9324 (df_all_hard_regs): Deleted.
9325 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9326 * df-problems.c (df_ru_bb_local_compute_process_def):
9327 Added code to handle artifical defs in the entry to a function.
9328 (df_ru_bb_local_compute): Ditto.
9329 (df_rd_bb_local_compute_process_def): Ditto.
9330 (df_rd_bb_local_compute): Ditto.
9331 (df_lr_bb_local_compute): Ditto.
9332 (df_ur_bb_local_compute): Ditto.
9333 (df_urec_bb_local_compute): Ditto.
9334 (df_chain_create_bb): Ditto.
9335 (df_ur_local_finalize): Removed entry.
9336 (df_urec_init): Ditto.
9337 (df_urec_local_finalize): Ditto.
9338 (df_ri_bb_compute): Added detection of last use of pseudos.
9339 * Makefile.in (df-scan.o): Updated dependencies.
9340 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9341 * config/mips/mips.c (mips_set_live_on_entry): Added.
9342 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9344 * dce.c (marked_insn_p): Added code to handle artifical defs.
9346 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9348 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9350 (_mm_cvtsi128_si64): Likewise.
9351 (_mm_cvtsd_si64): Likewise.
9352 (_mm_cvttsd_si64): Likewise.
9353 (_mm_cvtsi64_sd): Likewise.
9354 (_mm_cvtsi64_si128): Likewise.
9355 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9356 (_mm_cvtsi64_m64): Likewise.
9357 (_m_to_int64): Likewise.
9358 (_mm_cvtm64_si64): Likewise.
9359 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9360 (_mm_cvttss_si64): Likewise.
9361 (_mm_cvtsi64_ss): Likewise.
9362 (_mm_cvtss_f32): Likewise.
9364 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9366 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9367 for pragma redefine_extname.
9369 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9372 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9373 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9374 -mno-minimal-toc to previous content.
9375 (bispecs): Remove goal.
9376 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9377 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9378 compatibility aliases on powerpc-*-*gnu*.
9379 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9380 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9381 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9382 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9383 (ldblspecs): New goal.
9384 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9385 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9387 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9388 L_sf_to_tf or L_df_to_tf is defined.
9390 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9391 Alan Modra <amodra@bigpond.net.au>
9394 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9395 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9396 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9397 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9398 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9399 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9400 (rs6000_override_options): Initialize rs6000_ieeequad.
9401 Initialize TFmode format to ibm_extended_format if not
9403 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9405 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9406 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9407 (function_arg_advance): IBM long double passed in two FPRs, not
9409 (function_arg): IBM long double passed in FPRs.
9410 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9411 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9412 Only multireg GPR aligned.
9413 (rs6000_init_libfuncs): Enable IBM long double functions if not
9415 (rs6000_generate_compare): Use IBM long double compare if not
9417 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9418 (TARGET_IEEEQUAD): Define.
9419 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9420 not TARGET_IEEEQUAD.
9421 * config/rs6000/rs6000.md: Enable TFmode patterns if
9423 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9424 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9425 and -mlong-double-128 are incompatible.
9426 * doc/invoke.texi (-mabi): Collect options together. Add
9427 ibmlongdouble and ieeelongdouble.
9429 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9431 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9433 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9434 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9435 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9436 * rtl.h (rtunion_def): Remove rt_ptr.
9438 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9439 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9440 * config/i386/winnt.c (i386_pe_mark_dllexport)
9441 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9443 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9445 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9447 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9451 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9452 pthread_key_delete. From John David Anglin. gthrw-ify
9453 pthread_getunique_np only if it it's not a macro. Delete
9455 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9456 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9457 __gthread_objc_condition_signal, __gthread_key_delete): Add
9458 "__attribute__ ((__unused__))" to unused arguments.
9459 (__gthread_recursive_mutex_init_function): Add missing return.
9460 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9461 gthr-posix95.h: Use macro-based approach for name redirection
9462 on targets missing weakref.
9464 2006-01-26 Zack Weinberg <zackw@panix.com>
9466 * genconditions.c (write_header): In generated code, #ifdef out
9467 all includes and fake declarations, except includes of bconfig.h
9468 and system.h, unless GCC_VERSION >= 3001. Do not include
9469 gensupport.h in any case.
9470 (write_conditions): Generate a definition of struct c_test. Add
9471 a comment to the generated #endif.
9472 (write_one_condition): Escape backslashes in string too.
9473 (write_writer): Generated code must escape backslashes and quote
9474 marks (but not newlines) in the strings it writes.
9475 * Makefile.in (build/gencondmd.o): Update dependencies.
9477 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9480 * Makefile.in (insn-automata.o): Add header file dependencies.
9481 * genautomata.c: Add includes.
9483 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9486 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9488 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9490 * configure.ac: Expect target tools paths to be passed from the toplevel
9491 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9493 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9495 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9498 * c.opt (Wpointer-sign): Init to -1.
9499 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9500 OPT_pedantic, to 0 otherwise.
9501 * doc/invoke.texi: Update.
9503 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9505 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9506 constants provided by 80387 instructions in the destination mode.
9508 2006-01-26 Richard Guenther <rguenther@suse.de>
9509 Andrew Pinski <pinskia@physics.uc.edu>
9512 partial PR tree-opt/17064
9513 * tree-ssa-structalias.c (intra_create_variable_infos):
9514 Create heap variables for incoming parameters if
9515 flag_argument_noalias > 1.
9516 (find_what_p_points_to): Look through default defs of
9519 2006-01-26 Jeff Law <law@redhat.com>
9522 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9523 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9524 within the VR_RANGE, use the VR_RANGE as the result, not the
9526 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9527 bounds for the type.
9529 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9531 * tree-ssa-alias.c (maybe_create_global_var): Change
9532 subvar walking to an assertion that we don't have subvar'd variables.
9534 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9537 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9538 Use a new variable, inner. PARM_DECLs are always non-weak.
9540 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9542 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9545 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9547 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9549 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9551 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9552 (smax_insn, smin_insn, smax_0, smin_0): New.
9554 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9557 * config/cris/cris.c (cris_order_for_addsi3): New function.
9558 * config/cris/cris-protos.h: Prototype it.
9559 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9560 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9561 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9562 (split for "op.S1 [rx=rx+i],ry (swapped)")
9563 (split for "op(s|u).S1 [rx=rx+i],ry")
9564 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9565 Apply cris_order_for_addsi3 when generating addsi3 insns.
9567 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9569 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9570 (TREE_BLOCK): Add call to EXPR_CHECK.
9572 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9575 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9576 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9577 (dump_omp_clauses): ... here.
9578 (dump_generic_node): Handle OMP_CLAUSE.
9579 * tree.c (omp_clause_num_ops): New.
9580 (omp_clause_code_name): New.
9581 (tree_code_size): Handle OMP_CLAUSE.
9582 (tree_size): Likewise.
9583 (make_node): Document handling of OMP_CLAUSE.
9584 (tree_node_structure): Handle OMP_CLAUSE.
9585 (omp_clause_check_failed): New.
9586 (omp_clause_range_check_failed): New.
9587 (omp_clause_operand_check_failed): New.
9588 (build_omp_clause): New.
9589 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9590 * tree.h (enum omp_clause_code): Declare.
9591 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9592 (OMP_CLAUSE_RANGE_CHECK): Define.
9593 (OMP_CLAUSE_ELT_CHECK): Define.
9594 (omp_clause_check_failed): Declare.
9595 (omp_clause_operand_check_failed): Declare.
9596 (omp_clause_range_check_failed): Declare.
9597 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9598 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9599 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9600 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9601 (OMP_CLAUSE_IF_EXPR): Likewise.
9602 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9603 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9604 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9605 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9606 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9607 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9608 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9609 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9610 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9611 (OMP_CLAUSE_CODE): Define.
9612 (OMP_CLAUSE_SET_CODE): Define.
9613 (OMP_CLAUSE_CODE): Define.
9614 (OMP_CLAUSE_OPERAND): Define.
9615 (struct tree_omp_clause): Declare.
9616 (union tree_node): Add field 'omp_clause'.
9617 * treestruct.def (TS_OMP_CLAUSE): Define.
9618 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9619 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9620 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9621 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9622 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9623 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9624 (OMP_CLAUSE): Define.
9625 * print-tree.c (print_node): Handle OMP_CLAUSE.
9626 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9627 * c-typeck.c: Likewise.
9628 * gimplify.c: Likewise.
9629 * c-omp.c: Likewise.
9630 * tree-nested.c: Likewise.
9631 * tree-inline.c: Likewise.
9632 * c-parser.c: Likewise.
9633 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9636 2006-01-25 Roger Sayle <roger@eyesopen.com>
9638 PR rtl-optimization/25703
9639 * combine.c (try_combine): Handle zero_extract and strict_low_part
9640 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9642 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9644 * global.c: Fix comment typos.
9646 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9649 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9650 Use output_addr_const instead of assemble_name.
9652 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9654 * Makefile.in (sched-vis.o): Update dependencies.
9655 * haifa-sched.c (sched_finish): Clear current_sched_info.
9656 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9657 (dump_flow_info): Call it.
9658 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9660 * basic-block.h (dump_bb_info): Declare.
9661 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9662 option, and apply options only for dump files whose TDF_RTL,
9663 TDF_TREE, or TDF_IPA bits match.
9664 * rtl.h: Declare new functions exported from sched-vis.c.
9665 * sched-vis.c: Enable also if scheduling is not used.
9666 (print_value): Print the mode of registers if not inside scheduling.
9667 (print_insn): Make it work outside the scheduler. Beautify the output
9669 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9671 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9673 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9674 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9675 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9676 depending on the value of CONSTANT_POOL_ADDRESS_P.
9677 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9679 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9680 rather than SYMBOL_REF_DECL.
9681 (rtx_constant_pool): Remove const_rtx_sym_htab.
9682 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9683 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9684 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9685 Remove handling of const_rtx_sym_htab.
9686 (find_pool_constant): Delete.
9687 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9688 rather than find_pool_constant.
9689 (get_pool_constant_for_function): Delete.
9690 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9692 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9693 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9694 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9695 (SYMBOL_REF_CONSTANT): New macro.
9696 (get_pool_constant_for_function): Delete.
9697 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9698 rather than SYMBOL_REF_DECL.
9699 (i386_pe_mark_dllimport): Likewise.
9700 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9701 rather than SYMBOL_REF_DECL.
9702 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9703 (machopic_indirect_call_target): Likewise.
9705 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9707 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9709 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9711 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9713 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9715 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9717 2006-01-24 David Daney <ddaney@avtrex.com>
9720 * configure.ac (enable_tls): New enable option.
9721 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9722 * configure: Regenerate.
9723 * doc/install.texi (--enable-tls): Document new option.
9724 (--disable-tls): Ditto.
9726 2006-01-24 Richard Henderson <rth@redehat.com>
9728 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9729 * alias.c (true_dependence): Respect it.
9730 (canon_true_dependence, write_dependence_p): Likewise.
9731 * builtins.c (get_builtin_sync_mem): Set it.
9733 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9735 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9738 2006-01-24 DJ Delorie <dj@redhat.com>
9740 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9741 for storing constants in single-bit bitfields.
9743 2006-01-25 Ben Elliston <bje@au.ibm.com>
9745 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9747 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9750 * tree-ssa-pre.c (phi_translate): Return NULL
9751 for AGGREGATE_TYPE's.
9753 2006-01-24 Zack Weinberg <zackw@panix.com>
9755 * genautomata.c (process_state_for_insn_equiv_partition):
9756 Use xcalloc for insn_arcs_array.
9757 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9758 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9760 2006-01-24 Richard Henderson <rth@redhat.com>
9762 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9765 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9767 PR rtl-optimization/25890
9768 PR rtl-optimization/25905
9769 * combine.c (expand_compound_operation, expand_field_assignment):
9770 Fail if the bitfield's final position is out of bounds.
9772 2006-01-24 Ian Lance Taylor <ian@airs.com>
9775 * cgraphunit.c (cgraph_output_in_order): Don't clear
9776 cgraph_asm_nodes until after asm strings have been output.
9778 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9780 * fix-header.c (read_scan_file): Add new parameter imultilib when
9781 calling register_include_chains.
9783 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9785 * omp-low.c: Update documentation.
9787 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9788 Daniel Berlin <dberlin@dberlin.org>
9792 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9793 return from the function.
9795 2006-01-22 Zack Weinberg <zackw@panix.com>
9797 * rtl.def (match_code): Add second argument.
9798 * genpreds.c (write_extract_subexp): New function.
9799 (write_match_code): Add path argument. Use write_extract_subexp.
9800 (write_predicate_expr): Pass path to write_match_code.
9801 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9802 not perform a mode test.
9803 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9804 a subexpression does not constrain the top-level code set.
9805 * read-rtl.c (read_rtx_variadic): New function.
9806 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9807 * doc/md.texi: Document new notation.
9808 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9809 (cmpsi_operand): ... here, using new notation.
9811 2006-01-22 Zack Weinberg <zackw@panix.com>
9813 * varray.c: Remove GENERATOR_FILE #ifdefs.
9815 2006-01-22 Zack Weinberg <zackw@panix.com>
9817 * genautomata.c (output_reserved_units_table): Emit nothing if
9818 description->query_units_num is zero. Remove extra blank line.
9819 (output_cpu_unit_reservation_p): Short circuit
9820 if description->query_units_num is zero.
9822 2006-01-22 Zack Weinberg <zackw@panix.com>
9824 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9825 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9826 nor any of the random handful of variables that used to be necessary
9827 when this program was linked with rtlanal.o. Prune set of forward
9828 function declarations.
9829 (struct attr_desc): Remove static_p field.
9830 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9831 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9832 (attr_string): Do not read the character one past the length of
9834 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9835 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9836 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9837 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9838 (make_automaton_attrs): New.
9839 (main): Do not call into genautomata. Call local gen_bypass
9840 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9841 Remove special case for insn_alts.
9842 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9843 varray.h (leftover from previous change). Prune set of forward
9844 function declarations. Remove state_alts fields from all
9845 structures. Remove state_alts_table from struct automaton.
9846 Make everything except main static. Do not maintain num_dfa_decls.
9847 Do not maintain state_alts fields of various structures.
9848 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9849 (add_arc): Remove state_alts argument. All callers updated.
9850 (output_reserved_units_table): Emit #ifdef here...
9851 (output_tables): ...not here. Don't generate state_alts tables.
9852 (expand_automata): Don't generate attributes.
9853 (write_automata): Don't generate state_alts functions.
9854 (main): New function.
9855 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9856 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9857 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9858 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9859 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9860 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9861 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9862 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9864 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9865 * genattrtab.h: Delete file.
9866 * Makefile.in (OBJS-common): Add insn-automata.o.
9867 (insn-automata.o): New rule.
9868 (simple_generated_c): Add insn-automata.c.
9869 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9870 (genprogmd): Add automata.
9871 (build/genattrtab): Needs no extra objects nor libraries.
9872 (build/genautomata): Needs build/vec.o and -lm.
9874 2006-01-22 Zack Weinberg <zackw@panix.com>
9876 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9877 (output_dfa_max_issue_rate, locked_states_num): Delete.
9878 (struct automaton): Add locked_states field.
9879 (output_dead_lock_vect): Save number of locked states in
9880 automaton->locked_states. If it is zero, don't print anything.
9881 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9882 (output_internal_dead_lock_func): Only test the dead_lock_vect
9883 for automata that have locked states.
9884 (output_statistics): Always print the number of locked states for
9885 each automaton. Calculate total number of locked states here.
9886 (write_automata): Don't call output_dfa_max_issue_rate.
9887 * genattrtab.c: Define length_unit_log as a const variable.
9888 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9889 max_insn_queue_index const.
9890 * final.c (length_unit_log): Declare const.
9891 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9893 2006-01-22 Zack Weinberg <zackw@panix.com>
9895 * genautomata.c: Include vec.h, not varray.h.
9896 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9897 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9898 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9899 VEC_* macros operating on appropriately typed vectors, or to
9900 malloced arrays when the size is known in advance. Const-ify
9901 many char* variables and function arguments. No functional changes.
9902 * Makefile.in (build/varray.o): Delete rule.
9903 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9904 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9906 2006-01-22 Zack Weinberg <zackw@panix.com>
9908 * gensupport.c: Define get_insn_name and record_insn_name here.
9909 (read_md_rtx): Call record_insn_name as appropriate.
9910 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9911 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9912 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9914 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9915 (BUILD_VARRAY): Delete.
9916 (genprognormal): Rename genprogmd. Fold in all programs from
9917 genprognoprint; also attrtab.
9918 (build/genattrtab): Just mention genautomata.o and varray.o.
9919 Reorganize a bit, add comments to make the categories clearer.
9921 2006-01-22 Zack Weinberg <zackw@panix.com>
9923 * genconditions.c (condition_table, add_condition): Delete.
9924 (write_conditions): Don't emit n_insn_conditions nor
9925 insn_elision_unavailable. Issue the gcc version #ifdef here,
9926 inside the table, with no #else clause ...
9927 (write_header): ...not here.
9928 (write_writer): New function.
9929 (main): Don't initialize condition_table. Use add_c_test.
9931 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9932 files on the command line.
9933 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9934 Return -1 if there is no entry in the table, don't abort.
9935 (add_c_test, traverse_c_tests): New functions.
9936 * gensupport.h (insn_elision_unavailable, insn_conditions)
9937 (n_insn_conditions): Delete declarations.
9938 (add_c_test, traverse_c_tests): Declare.
9939 * read-rtl.c: Include gensupport.h.
9940 (read_conditions): New function.
9941 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9942 (read_rtx_1): If we get EOF when we were looking for an initial
9943 open paren, return 0. Call read_conditions when appropriate.
9944 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9945 dummy-conditions.o. Eliminate references to insn-conditions.o,
9946 or change them to build/gencondmd.o, as appropriate. Remove
9947 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9948 from $(simple_generated_c). For all files remaining in those
9949 two lists, add insn-conditions.md to the generator command line.
9950 Give insn-constants.h/s-constants their own rules. Add rules
9951 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9952 (build/read-rtl.o): Depend on gensupport.h.
9953 (genprognormal): Include preds.
9954 (genprogearly): Rename genprognoprint; only difference is now that
9955 they don't link with $(BUILD_PRINT).
9956 * dummy-conditions.c: Delete.
9958 2006-01-22 Zack Weinberg <zackw@panix.com>
9960 * genextract.c: Don't include insn-config.h. Do include vec.h.
9961 Declare vectors of int, char, and locstr.
9962 (locstr): New typedef.
9963 (struct extraction): Make all array fields into bare pointers.
9964 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9965 (insn_code_number): Delete.
9966 (accum_extract): New struct.
9967 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9968 (gen_insn): Take insn_code_number as an argument. Use an
9969 accum_extract structure instead of loading data directly into
9970 a struct extraction, and having to know how big it might get.
9971 (walk_rtx): Operate entirely on an accum_extract structure.
9972 (print_path): Avoid unnecessary use of printf.
9973 (print_header): New function, split out of main. Distinguish
9974 more carefully between an unrecognizable insn and an insn that
9975 has the code number of a define_expand.
9976 (main): Pass insn_code_number to gen_insn. Call print_header
9977 only after parsing. Avoid unnecessary use of printf.
9978 * Makefile.in (build/vec.o): New rule.
9979 (build/genextract): Depend on build/vec.o.
9980 (build/genextract.o): Don't depend on insn-config.h.
9982 2006-01-22 Zack Weinberg <zackw@panix.com>
9984 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9985 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9986 practical. Eliminate per-generator-program link rules.
9988 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9991 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9992 with a call expr to ...
9993 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9995 2006-01-23 Richard Guenther <rguenther@suse.de>
9997 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9998 before make_edge with conditional EDGE_TRUE_VALUE.
10000 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10001 Jan Hubicka <jh@suse.cz>
10002 Richard Guenther <rguenther@suse.de>
10004 PR rtl-optimization/25654
10005 * cfgexpand.c (aggregate_contains_union_type): New function.
10006 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10007 for structure variables that contain a union type.
10009 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10011 * gengtype.c (new_structure): Return the structure.
10012 (create_option): Add an extra "next" argument.
10013 (create_field): New function.
10014 (adjust_field_rtx_def): Use create_option and create_field.
10015 Remove a now-unnecessary call to find_structure.
10016 (adjust_field_tree_def): Likewise.
10017 (note_yacc_type): Remove an unnecessary call to find_structure.
10018 * gengtype.h (new_structure): Return the structure.
10019 (create_option): Add an extra argument.
10020 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10021 (option): Adjust calls to create_option.
10023 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10025 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10027 2006-01-22 Paul Brook <paul@codesourcery.com>
10028 Peter Barada <peter@the-baradas.com>
10030 * config/m68k/m68k.md: Add Coldfire FPU support.
10031 Define FP mode macro and associated attributes.
10032 Use it for float mode patterns.
10033 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10034 (LIBCALL_VALUE): Use m68k_libcall_value.
10035 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10036 (m68k_function_value): Ditto.
10037 (emit_move_sequence): Ditto.
10038 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10039 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10040 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10041 (MULTILIB_EXCEPTIONS): Ditto.
10042 * config/m68k/m68k.opt: Add mcfv4e.
10043 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10044 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10045 (m68k_output_function_prologue): Save ColdFire FPU registers.
10046 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10047 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10048 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10049 ColdFire FPU registers.
10050 (m68k_libcall_value, m68k_function_value): New functions.
10051 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10052 (LIBCALL_VALUE): Use m68k_libcall_value.
10053 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10054 (MASK_COLDFIRE): Add MASK_CFV4E.
10055 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10056 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10057 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10058 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10059 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10060 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10061 * doc/invoke.tex: Document -mcfv4e on m68k.
10063 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10065 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10068 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10071 * c-opts.c (c_common_handle_option): Don't include
10072 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10073 * doc/invoke.texi (C++ Dialect Options): Document that
10074 -Wnon-virtual-dtor is no longer included in -Wall.
10076 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10078 * gcov.c (print_version), gcov-dump.c (print_version),
10079 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10082 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10084 * df-scan.c (problem_SCAN): Added NULL reset function.
10085 (df_scan_reset_blocks): Added code to call reset block function
10086 (df_bb_refs_delete) Fixed comment.
10087 (df_insn_refs_delete): Made tolerant of deleting non existent info
10088 for dataflow problems that need to be reset.
10089 * df-core.c (df_set_blocks): Ditto.
10090 * df.h (struct df_problem): Added reset_fun.
10091 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10092 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10093 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10094 functions to clear out all references to def-use or use-def chains.
10096 2006-01-21 Ben Elliston <bje@au.ibm.com>
10098 * varasm.c (assemble_real): Initialise data array.
10100 2006-01-20 Paul Brook <paul@codesourcery.com>
10102 Merge from csl-arm-branch.
10103 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10104 * config/arm/arm.md (movdi): Force operands[1] to a register
10105 if we have a non-register source.
10106 (*arm_movdi, *movdf_soft_insn): Require that one of the
10107 operands be a register.
10108 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10109 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10111 2006-01-20 DJ Delorie <dj@redhat.com>
10113 * varasm.c (initializer_constant_valid_p): Allow pointers
10114 initialized from integer constants of lesser precision.
10115 (output_constant): Allow non-int-sized pointer modes to be
10116 initialized from integer constants.
10118 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10121 * cppdefault.h (struct default_include): Add multilib flag.
10122 * cppdefault.c (cpp_include_defaults): Set it.
10123 * c.opt (-imultilib): New option.
10124 * c-opts.c (imultilib): New.
10125 (c_common_handle_option): Handle -imultilib.
10126 (c_common_post_options): Likewise.
10127 * c-incpath.c (add_standard_paths, register_include_chains):
10129 * c-incpath.h (register_include_chains): Add extra parameter.
10130 * gcc.c (do_spec_1): Generate -imultilib option.
10131 (The Specs Language): Update %I description.
10132 (process_command): Update copyright notice.
10133 * doc/cppopts.texi (-imultilib): Document.
10134 * doc/invoke.texi (-imultilib): Include in option summary.
10135 (%I): Update specs documentation.
10137 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10139 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10141 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10143 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10146 2006-01-20 Richard Guenther <rguenther@suse.de>
10147 Steven Bosscher <stevenb.gcc@gmail.com>
10149 PR rtl-optimization/24626
10150 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10151 EDGE_TRUE_VALUE if in RTL mode.
10154 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10155 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10157 2006-01-20 Dirk Mueller <dmueller@suse.com>
10160 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10161 instead of a special NOP marker.
10162 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10163 NOP marker handling.
10164 * c-common.h (empty_body_warning): Add forward declaration.
10165 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10166 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10168 2006-01-20 Paul Brook <paul@codesourcery.com>
10170 * Makefile.in (lang_checks): Keep going if mkdir fails.
10172 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10174 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10175 be able to clean out basic block when not necessary.
10176 (df_scan_free): Fixed to properly delete information if df is
10177 unused before calling df_finish.
10178 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10179 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10181 (df_bb_refs_delete): New function.
10182 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10183 * df-core.c (df_set_blocks): Added code to properly clean out
10184 unused blocks if they are not part of the blocks to consider.
10185 Added additional null check.
10186 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10187 be able to clean out basic block when not necessary
10188 * df.h (df_free_bb_function): Ditto.
10189 (df_bb_refs_delete): New function.
10190 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10191 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10192 basic block parameter to be able to clean out basic block when not
10194 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10195 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10196 Fixed to properly delete information if df is unused before
10199 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10201 PR rtl-optimization/25799
10202 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10203 Corrected confluence operator to remove bits from op2 before oring
10204 with op1 rather than removing bits from op1.
10205 (df_ru_transfer_function): Corrected test on wrong bitmap which
10206 caused infinite loop. Both of these problems were introduced in
10207 the dataflow rewrite.
10209 2006-01-19 DJ Delorie <dj@redhat.com>
10211 * reload1.c (find_reload_regs): Note the details of reload
10212 failures in the dump file.
10213 (spill_failure): Likewise.
10215 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10217 * loop-iv.c: Include df.h and hashtab.h.
10218 (enum iv_grd_result): New enum.
10219 (DF_REF_IV, DF_REF_IV_SET): New macros.
10220 (struct biv_entry): New.
10221 (df, bivs): New global variables.
10222 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10223 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10225 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10226 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10227 analyzed_for_bivness_p, record_biv): New functions.
10228 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10229 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10230 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10232 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10234 (iv_number_of_iterations): Use new interface to iv analysis.
10235 * loop-unroll.c: Do not include varray.h.
10236 (analyze_iv_to_split_insn): Use new interface to iv
10238 * loop-unswitch.c (may_unswitch_on): Ditto.
10239 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10241 (df_bb_modify): Realloc tables to the new index.
10242 (df_find_use): New function.
10243 * df.h (df_find_use): Declare.
10244 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10246 * cfgloop.h (struct rtx_iv): Remove analysed field.
10247 (iv_get_reaching_def): Removed.
10248 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10249 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10250 (loop-iv.o): Add df.h and hashtab.h dependency.
10251 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10253 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10256 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10258 (__floatundisf, __floatundidf): Likewise.
10259 * libgcc2.h (IS_IBM_EXTENDED): Define.
10261 2006-01-19 DJ Delorie <dj@redhat.com>
10263 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10265 2006-01-19 Paul Brook <paul@codesourcery.com>
10267 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10268 as nothrow when unwinding tables are disabled.
10270 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10273 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10274 of bit-field" when in system header.
10276 2006-01-19 DJ Delorie <dj@redhat.com>
10278 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10279 the 16 bit shift limit of the m16c.
10281 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10284 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10285 * config/i386/i386.c (output_set_got): Output the label if we have one
10286 for the TARGET_DEEP_BRANCH_PREDICTION case.
10288 2006-01-19 Jan Hubicka <jh@suse.cz>
10289 H.J. Lu <hongjiu.lu@intel.com>
10290 Evandro Menezes <evandro.menezes@amd.com>
10292 * invoke.texi (generic): Document
10294 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10295 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10296 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10297 (x86_use_incdec, x86_pad_returns): New variables
10298 (TARGET_CPU_DEFAULT_generic): New constant
10299 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10300 (enum processor_type): Add generic32 and generic64.
10301 * i386.md (cpu attribute): Add generic32/generic64
10302 (movhi splitter): Behave sanely when both partial_reg_dependency and
10303 partial_reg_stall are set.
10304 (K8 splitters): Enable for generic as well.
10305 * predicates.md (incdec_operand): Use TARGET_INCDEC
10306 (aligned_operand): Avoid memory mismatch stalls.
10307 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10308 * ppro.md: Enable for generic32
10309 * i386.c (generic64_cost, generic32_cost): New.
10310 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10311 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10312 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10313 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10314 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10315 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10316 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10317 x86_accumulate_outgoing_args, x86_prologue_using_move,
10318 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10319 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10320 Enable for generic.
10321 (x86_use_incdec, x86_pad_returns): New.
10322 (override_options): Add generic32 and generic64, translate "generic"
10323 to generic32/generic64 and "i686" to "generic32", refuse
10324 "generic32"/"generic64" as arch target.
10325 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10326 (ix86_reorg): Honor PAD_RETURNS.
10328 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10330 * tree-pretty-print.c (dump_generic_node): Handle
10331 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10332 * cgraph.c (cgraph_expand_queue): Rename from
10333 cgraph_analyze_queue. Update all users.
10334 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10335 cgraph_expand_queue.
10336 (cgraph_expand_all_functions): Likewise.
10337 (cgraph_finalize_pending_functions): Remove. Update callers.
10339 * tree.h (OMP_DIRECTIVE_P): Define.
10340 (OMP_PARALLEL_FN): Define.
10341 (OMP_PARALLEL_DATA_ARG): Define.
10342 (OMP_SECTIONS_SECTIONS): Define.
10343 * tree-pass.h (pass_expand_omp): Declare.
10344 * omp-low.c (struct omp_region): Declare.
10345 (struct omp_context): Remove fields 'parallel_type',
10346 'parallel_start_ix' and 'parallel_start_additional_args'.
10348 (struct omp_for_data): Rename from struct expand_omp_for_data.
10349 (omp_regions): New static variable.
10350 (root_omp_region): New static variable.
10351 (find_omp_clause): Make static.
10352 (is_in_combined_parallel_ctx): Remove.
10353 (is_combined_parallel): New.
10354 (extract_omp_for_data): Move earlier in the file.
10355 (workshare_safe_to_combine_p): New.
10356 (get_ws_args_for): New.
10357 (determine_parallel_type): Move earlier in the file.
10358 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10360 (omp_copy_decl): Likewise.
10361 (create_omp_child_function): Likewise.
10362 (lookup_omp_region): New.
10363 (dump_omp_region): New.
10364 (debug_omp_region): New.
10365 (debug_all_omp_regions): New.
10366 (new_omp_region): New.
10367 (scan_omp_parallel): If parallel_nesting_level > 1, the
10368 directive is nested within another parallel directive.
10369 Set OMP_PARALLEL_FN.
10370 (scan_omp_for): Do not try to handle combined parallel+for
10372 Remove FIXME comment.
10373 (scan_omp_nested): Remove.
10374 (scan_omp_1): Do not call scan_omp_nested when
10375 parallel_nesting_level is > 1.
10376 Do not change the DECL_CONTEXT of local variables found.
10377 (lookup_decl_in_outer_ctx): New.
10378 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10379 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10380 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10381 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10382 If CTX is nested, lookup VAR in the outer context when
10383 building copy assignment.
10384 (lower_send_clauses): Rename from expand_send_clauses.
10385 If CTX is nested, lookup VAR in the outer context when
10386 building copy assignments.
10387 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10388 If CTX is nested, lookup VAR in the outer context when
10389 building copy assignments.
10390 (expand_parallel_call): Rename from build_parallel_call.
10391 Handle combined parallel+workshare cases.
10392 Re-implement to emit code into the CFG.
10394 (expand_omp_parallel): Re-implement to emit code into the CFG.
10395 Call move_sese_region_to_fn to outline the sub-graph
10396 containing the parallel region.
10397 (expand_omp_for_1): Remove.
10398 (expand_omp_for_generic): Re-implement to emit code into the
10400 (expand_omp_for_static_nochunk): Likewise.
10401 (expand_omp_for_static_chunk): Likewise.
10402 (expand_omp_for): Likewise.
10403 (expand_omp_sections): Likewise.
10404 (remove_exit_barriers): New.
10405 (expand_omp_synch): New.
10407 (build_omp_regions_1): New.
10408 (build_omp_regions): New.
10409 (execute_expand_omp): New.
10410 (gate_expand_omp): New.
10411 (pass_expand_omp): Define.
10412 (lower_omp_sections): Rename from expand_omp_sections.
10413 Set OMP_SECTIONS_SECTIONS.
10414 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10415 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10416 (lower_omp_single): Rename from expand_omp_simple.
10417 (lower_omp_master): Rename from expand_omp_master.
10418 (lower_omp_ordered): Rename from expand_omp_ordered.
10419 (lower_omp_critical): Rename from expand_omp_critical.
10420 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10421 (lower_omp_for): Re-implement.
10422 (lower_omp_parallel): Re-implement.
10423 (lower_regimplify): Rename from expand_regimplify.
10424 (lower_omp_1): Rename from expand_omp_1.
10425 If there are syntax errors in the program, replace every
10426 OpenMP directive with NOP.
10427 Call lower_omp_* instead of expand_omp_*.
10428 (lower_omp): Rename from expand_omp.
10430 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10431 * tree-gimple.h (enum omp_parallel_type): Remove.
10432 (gimple_boolify): Declare extern.
10433 (find_omp_clause, determine_parallel_type): Remove.
10435 * gimple-low.c (lower_omp_directive): New.
10436 (lower_stmt): Call it.
10437 (record_vars_into): Move from ...
10438 (record_vars): ... here.
10439 Call record_vars_into with current_function_decl.
10441 * gimplify.c (struct gimplify_ctx): Remove fields
10442 combined_pre_p and combined_ctxp. Update users.
10443 (get_formal_tmp_var): Add documentation.
10444 (gimple_boolify): Make extern.
10445 (gimplify_expr_in_ctx): Remove. Update callers.
10446 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10447 will always be a BIND_EXPR.
10448 (gimplify_expr): Handle OMP_RETURN_EXPR.
10449 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10450 (OMP_PARALLEL): Add 3 operands.
10451 (OMP_SECTIONS): Add 1 operand.
10452 (OMP_RETURN_EXPR): Define.
10454 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10455 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10456 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10457 creating a circular free list.
10458 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10460 * tree-flow.h (move_sese_region_to_fn): Declare.
10461 (record_vars_into): Declare.
10462 * tree-cfg.c (make_omp_sections_edges): New.
10463 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10464 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10465 OMP_SECTIONS and OMP_SECTION.
10466 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10467 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10468 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10469 (gather_blocks_in_sese_region): New.
10470 (struct move_stmt_d): Declare.
10471 (move_stmt_r): New.
10472 (move_block_to_fn): New.
10473 (move_sese_region_to_fn): New.
10475 * passes.c (init_optimization_passes): Schedule
10476 pass_expand_omp after pass_init_datastructures.
10478 * tree-ssa-operands.c (get_expr_operands): Handle
10479 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10480 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10482 2006-01-19 Jeff Law <law@redhat.com>
10484 * tree-vrp.c (extract_range_from_assert): Refine the result range
10485 if the variable referenced by the ASSERT_EXPR has a range and
10486 either the tentative result range or the previous range is a
10489 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10491 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10493 2006-01-19 Jan Hubicka <jh@suse.cz>
10495 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10497 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10499 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10500 (expand_compound_operation, expand_field_assignment): Fail if the
10501 bit lengths of an extract operation are out of range.
10502 (make_extraction): Compute wanted_inner_mode based on the position
10503 and length of the extraction. Make it extraction_mode for non-constant
10504 positions, and do not modify offset in that case. When generating a
10505 new MEM, use a mode that can hold the extraction while keeping correct
10506 alignment. Remove code that supported MEMs wrapped by USEs.
10507 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10509 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10511 * config/s390/s390.md ("Y", "y"): New mode attribute.
10512 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10513 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10514 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10515 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10516 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10517 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10518 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10519 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10520 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10521 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10522 "addsi3", "subsi3"): Insn patterns removed.
10523 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10524 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10525 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10526 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10527 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10528 "*sub<mode>3_cconly2"): New insn patterns.
10529 ("addsi3", "subsi3"): New expanders.
10531 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10533 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10534 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10535 existing STMT_VINFO_VECTYPE if available.
10536 (vect_mark_relevant): Add special handling for stmts that are
10537 marked as STMT_VINFO_IN_PATTERN_P.
10538 (vect_analyze_loop): Call vect_pattern_recog.
10539 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10540 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10542 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10543 (vect_recog_func_ptr): New function-pointer type.
10544 * tree-vect-patterns.c: New file.
10545 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10546 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10547 (vect_pattern_recog_1): New functions.
10548 (vect_pattern_recog_funcs): New array of function pointers.
10550 * tree-vectorizer.h (ternary_op): New enum value.
10551 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10552 declaration. Revised documentation. Removed redundant dump prints.
10553 Removed redundant argument. Added support for reduction patterns.
10554 (vectorizable_reduction): Added support for reduction patterns.
10555 (vect_transform_stmt): Added support for patterns.
10557 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10558 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10559 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10560 (expand_widen_pattern_expr): New function.
10561 (init_optabs): Initialize new optabs udot_prod_optab,
10563 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10564 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10565 (expand_widen_pattern_expr): New function declaration.
10566 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10568 * tree-inline.c (estimate_num_insns_1): Added cases for new
10569 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10570 * tree-pretty-print.c (dump_generic_node): Likewise.
10571 (op_prio): Likewise.
10572 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10573 * tree-ssa-operands.c (get_expr_operands): Added case for
10575 * tree-vect-patterns.c (widened_name_p): New function.
10576 (vect_recog_dot_prod_pattern): Added function implementation.
10577 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10578 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10579 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10580 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10582 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10583 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10584 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10585 (init_optabs): Initialize new optabs widen_ssum_optab,
10587 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10588 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10589 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10590 use instead of type of def.
10591 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10592 function implementation.
10593 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10594 widen_ssumv8hi): New.
10596 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10599 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10602 * c-decl.c (add_flexible_array_elts_to_size): New function.
10603 (finish_decl): Use it.
10605 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10607 * diagnostic.h: Include options.h.
10608 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10609 dependancies for diagnostic.h.
10610 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10612 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10614 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10615 (ssa_ro_call_cache_valid): Ditto.
10616 * tree-ssa-alias.c (sort_tags_by_id): New function.
10617 (init_transitive_clobber_worklist): Ditto.
10618 (add_to_worklist): Ditto.
10619 (mark_aliases_call_clobbered): Ditto.
10620 (compute_tag_properties): Ditto.
10621 (set_initial_properties): Ditto.
10622 (compute_call_clobbered): Ditto.
10623 (compute_may_aliases): Call compute_call_clobbered and grouping.
10624 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10625 (compute_flow_insensitive_aliasing): Grouping now happens in our
10627 (setup_pointers_and_addressables): Remove clobbering related code.
10628 (add_may_alias): Ditto.
10629 (replace_may_alias): Ditto.
10630 (get_nmt_for): Ditto.
10631 (create_global_var):
10632 (is_escape_site): Return an escape_type enumeration.
10633 * tree-flow-inline.h (is_call_clobbered): Global var does not
10634 imply call clobbered.
10635 (mark_call_clobbered): Take a reason for marking this. Remove
10636 marking of globalness, and cache invalidation.
10637 (clear_call_clobbered): Remove cache invalidation code.
10638 * tree-dfa.c (dump_variable): If details is on, dump the reason
10640 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10642 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10643 (struct var_ann_d): Ditto.
10644 (enum escape_type): New.
10645 (mark_call_clobbered): Adjust prototype.
10646 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10647 are never call clobbered.
10648 Record reasons for escaping.
10649 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10650 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10651 (ssa_ro_call_cache_valid): Ditto.
10652 (clobbered_v_may_defs): Ditto.
10653 (clobbered_vuses): Ditto.
10654 (ro_call_vuses): Ditto.
10655 (clobber_stats): New.
10656 (init_ssa_operands): Zero out clobber stats.
10657 (fini_ssa_operands): Print out clobber stats.
10658 (get_call_expr_operands): Pass callee fndecl to
10659 add_call_read_ops).
10660 (add_call_clobber_ops): Remove use of cache.
10661 Add use of PURE_CONST information.
10662 (add_call_read_ops): Remove use of cache.
10663 Add use of static not_read information.
10665 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10667 Introduce TLS descriptors for i386 and x86_64.
10668 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10669 (TARGET_ANY_GNU_TLS): New macro.
10670 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10671 (struct machine_function): Add tls_descriptor_call_expanded_p.
10672 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10673 (ix86_current_function_calls_tls_descriptor): Likewise.
10674 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10675 (override_options): Introduce gnu2 tls dialect.
10676 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10678 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10680 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10681 (ix86_init_machine_status): Initialize new field.
10682 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10683 (ix86_tls_module_base): New.
10684 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10685 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10686 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10687 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10688 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10689 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10690 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10691 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10692 * config/i386/predicates.md (tls_modbase_operand): New.
10693 (tp_or_register_operand): New.
10695 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10697 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10698 (look_for_address_of): Ditto.
10699 (ipa_init): Walk the function decls.
10700 (static_execute): Don't set readonly on FUNCTION_DECL's.
10702 2006-01-18 Roger Sayle <roger@eyesopen.com>
10704 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10705 for shifts where the source and destination registers are different.
10707 2006-01-18 Paul Brook <paul@codesourcery.com>
10709 Merge from csl-arm-branch.
10710 2005-03-14 Julian Brown <julian@codesourcery.com>
10711 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10712 (aeabi_llsl): Likewise.
10713 (ashrdi3): Likewise.
10714 (aeabi_lasr): Likewise.
10715 (lshrdi3): Likewise.
10716 (aeabi_llsr): Likewise.
10717 2005-03-10 Julian Brown <julian@codesourcery.com>
10718 * config.gcc: Disable shared libgcc for SymbianOS.
10719 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10721 2006-01-18 DJ Delorie <dj@redhat.com>
10723 * c-pragma.c (handle_pragma_diagnostic): New.
10724 (init_pragma): Register it.
10725 * doc/extend.texi: Document it.
10727 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10728 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10729 (diagnostic_context): Add classify_diagnostic[].
10730 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10731 as errors if they're overridden to DK_WARNING.
10732 (diagnostic_initialize): Initialize classify_diagnostic[].
10733 (diagnostic_set_kind_override): New.
10734 (diagnostic_report_diagnostic): Check for kind changes.
10735 * opts.c (common_handle_option): Take lang_mask. Update callers.
10736 Handle OPT_Werror_.
10737 * common.opt (Werror=): New.
10738 * doc/invoke.texi: Document -Werror=*
10740 2006-01-18 Jeff Law <law@redhat.com>
10742 * tree-vrp.c (test_for_singularity): Correct test for new
10743 min limit. Use operand_equal_p rather than pointer equality
10744 for testing if new min/max values are equal.
10746 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10747 using range information until after propagation and folding.
10749 2006-01-18 Richard Henderson <rth@redhat.com>
10750 Aldy Hernandez <aldyh@redhat.com>
10751 Jakub Jelinek <jakub@redhat.com>
10752 Diego Novillo <dnovillo@redhat.com>
10754 * omp-low.c: New file.
10755 * c-omp.c: New file.
10757 2006-01-18 Richard Henderson <rth@redhat.com>
10758 Jakub Jelinek <jakub@redhat.com>
10759 Diego Novillo <dnovillo@redhat.com>
10761 * doc/invoke.texi: Document -fopenmp.
10762 * tree-dump.h (debug_function): Declare.
10763 * hooks.c (hook_bool_tree_bool_false): New function.
10764 (hook_tree_tree_null): Remove.
10765 (hook_tree_tree_tree_null): New.
10766 * hooks.h: Update to match.
10767 * tree-pretty-print.c (debug_tree_chain): New.
10768 (print_generic_expr): Handle TDF_CHAIN.
10769 (dump_generic_node): Handle BLOCK.
10770 Do not abort with incomplete SWITCH_EXPRs.
10771 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10772 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10773 print space after directive name.
10774 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10775 Handle OMP_MASTER and OMP_ORDERED.
10776 Handle printing of OMP_BODY just in one place, goto
10777 dump_omp_body in the rest of OMP_* nodes that have
10779 Don't handle clause nodes here. Update omp statements to
10780 use dump_omp_clauses.
10781 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10782 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10783 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10784 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10785 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10786 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10787 Adjust output for GOMP_PARALLEL.
10788 (dump_omp_clauses): New.
10789 (print_declaration): Dump DECL_VALUE_EXPR.
10790 (op_symbol_1): Split out of op_symbol.
10791 (dumping_stmts): Remove. Update all users.
10792 * cgraph.c (cgraph_analyze_queue): New.
10793 (cgraph_add_new_function): New.
10794 * cgraph.h (cgraph_analyze_queue): Declare.
10795 (cgraph_add_new_function): Declare.
10796 (cgraph_lower_function): Remove.
10797 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10798 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10799 and TYPE_P nodes in its default clause.
10800 (empty_body_p): New.
10801 (tree_range_check_failed): New.
10802 (build5_stat): New.
10803 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10804 OMP_CLAUSE_REDUCTION_MERGE,
10805 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10806 OMP_CLAUSE_PRIVATE_DEBUG,
10807 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10808 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10809 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10810 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10811 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10812 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10813 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10814 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10815 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10816 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10817 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10818 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10819 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10820 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10821 (TREE_RANGE_CHECK): New.
10822 (empty_body_p): Declare.
10823 (enum omp_clause_default_kind): New.
10824 (build_string_literal): Declare.
10825 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10826 (build5_stat, build5): Declare.
10827 * tree-pass.h (TDF_CHAIN): Define.
10828 * tree-pass.h (PROP_gimple_lomp): Define.
10829 (pass_lower_omp): Declare.
10830 * diagnostic.h (debug_tree_chain): Declare.
10831 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10833 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10834 * builtins.c (build_string_literal): Make extern.
10835 * gcc.c (include_spec_function): New.
10836 (static_spec_functions): Add it.
10837 (main): Move load of libgomp.spec ...
10838 (LINK_COMMAND_SPEC): ... here.
10839 (link_gomp_spec): New.
10840 (static_specs): Include it.
10841 (LINK_COMMAND_SPEC): Add link_gomp.
10842 (GOMP_SELF_SPECS): New.
10843 (driver_self_specs): Include it.
10844 (switch_matches): Don't mark inline.
10845 (main): Load libgomp.spec.
10846 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10847 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10848 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10849 * tree-gimple.h (enum omp_parallel): Declare.
10850 (determine_parallel_type): Declare.
10851 (omp_firstprivatize_variable): Declare.
10852 (omp_reduction_init): Declare.
10853 (diagnose_omp_structured_block_errors): Declare.
10854 (struct walk_stmt_info): Add want_return_expr.
10855 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10856 (find_omp_clause): Declare.
10857 (insert_field_into_struct): Declare.
10858 (struct walk_stmt_info): Move from tree-nested.c
10859 (walk_stmts): Declare.
10860 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10862 * cgraphunit.c (cgraph_lower_function): Make static.
10863 (cgraph_finalize_pending_functions): New.
10864 (cgraph_finalize_function): Call it.
10865 (cgraph_finalize_compilation_unit): Likewise.
10866 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10867 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10868 (BT_FN_UINT_UINT): New.
10869 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10870 DEF_FUNCTION_TYPE_VAR_4): Document.
10871 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10872 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10873 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10874 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10875 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10876 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10877 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10878 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10879 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10880 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10881 into separate files.
10882 (DEF_GOMP_BUILTIN): New.
10883 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10884 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10885 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10886 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10887 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10888 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10889 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10890 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10891 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10892 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10893 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10894 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10895 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10896 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10897 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10898 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10899 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10900 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10901 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10902 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10903 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10904 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10905 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10906 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10907 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10908 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10909 * sync-builtins.def: New file, moved from builtins.def.
10910 * omp-builtins.def: New file, moved from builtins.def.
10911 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10912 * gimple-low.c (lower_function_body): Clear data.
10913 (lower_stmt): Do not handle COMPOUND_EXPR.
10914 Remove call to print_node_brief.
10915 * c-tree.h (c_finish_omp_clauses): New prototype.
10916 (C_DECL_THREADPRIVATE_P): Define.
10917 (lookup_name_no_remap, c_omp_remap_private): Remove
10918 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10919 (check_for_loop_decls): Update decl.
10920 (lookup_name_no_remap, c_omp_remap_private): Declare.
10921 (build_indirect_ref, build_modify_expr, pushdecl,
10922 pushdecl_top_level): Move to c-common.h.
10923 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10924 before the switch, but just in the 2 places that need it.
10925 * c-decl.c (diagnose_mismatched_decls): Do not check for
10926 mismatched thread-local attributes when OLDDECL is marked
10927 threadprivate and NEWDECL has no thread-local attributes.
10928 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10929 (c_gimple_diagnostics_recursively): Rename from
10930 c_warn_unused_result_recursively. Invoke
10931 diagnose_omp_structured_block_errors.
10932 (check_for_loop_decls): Return a singular decl found.
10933 * langhooks.c (lhd_omp_predetermined_sharing): Return
10934 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10935 (lhd_omp_firstprivatize_type_sizes): New.
10936 (lhd_omp_assignment): New.
10937 (lhd_omp_predetermined_sharing): New.
10938 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10939 (struct lang_hooks_for_types): Add
10940 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10941 omp_predetermined_sharing, omp_disregard_value_expr,
10942 omp_private_debug_clause, omp_clause_default_ctor,
10943 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10944 (c_finish_omp_clauses): New.
10945 (c_finish_bc_stmt): Diagnose break within omp for.
10946 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10947 (build_unary_op): Return error_mark after reporting
10949 (build_modify_expr): Likewise.
10950 * gimplify.c: Include optabs.h and pointer-set.h.
10951 (enum gimplify_omp_var_data): Declare.
10952 (struct gimplify_omp_ctx): Declare.
10953 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10955 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10956 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10957 (splay_tree_compare_decl_uid): New.
10958 (new_omp_context): New.
10959 (delete_omp_context): New.
10960 (gimple_add_tmp_var): Call omp_add_variable.
10961 (gimplify_bind_expr): Likewise.
10962 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10963 true, disregard DECL_VALUE_EXPR on the decl if any.
10964 (gimplify_expr_in_ctx): New.
10965 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10966 omp_add_variable, omp_notice_variable, omp_is_private
10967 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10968 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10969 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10970 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10971 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10972 gimplify_omp_atomic): New.
10973 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10974 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10975 OMP_CRITICAL and OMP_ATOMIC.
10976 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10977 * c-pragma.h (enum pragma_kind): Add
10978 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10979 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10980 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10981 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10982 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10983 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10984 PRAGMA_OMP_THREADPRIVATE.
10985 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10986 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10987 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10988 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10989 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10990 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10991 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10992 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10993 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10994 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10995 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10996 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10997 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10999 (struct nesting_info): Add field_map,
11000 suppress_expansion, debug_var_chain.
11001 (create_nesting_tree): Initialize them.
11002 (lookup_field_for_decl): Use field_map.
11003 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11004 (convert_local_omp_clauses): New.
11005 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11006 (walk_body): Split out of walk_function.
11007 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11008 (convert_nonlocal_reference): Handle omp statements.
11009 (convert_local_reference): Likewise.
11010 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11011 (unnest_nesting_tree): New.
11012 (lower_nested_functions): Call it.
11013 (insert_field_into_struct): Make extern.
11014 (struct walk_stmt_info): Move to tree-gimple.h.
11015 (walk_stmts): Make extern.
11016 * omp-builtins.def: New file.
11017 * tree-iterator.c (expr_only): Clarify comment.
11018 * c-common.h (pushdecl_top_level, pushdecl,
11019 build_modify_expr, build_indirect_ref,
11020 c_finish_omp_master, c_finish_omp_critical,
11021 c_finish_omp_ordered, c_finish_omp_barrier,
11022 c_finish_omp_atomic, c_finish_omp_flush,
11023 c_finish_omp_for, c_split_parallel_clauses,
11024 omp_clause_default_kind, c_omp_sharing_predetermined,
11025 c_omp_remap_decl): Declare.
11026 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11027 (OBJS-common): Add omp-low.o.
11028 (c-omp.o, omp-low.o): Add.
11029 (gimplify.o): Add dependency on $(OPTABS_H).
11030 (GTFILES): Add omp-low.c.
11031 (gt-stringpool.h): Add.
11032 * tree-cfg.c (set_bb_for_stmt): Do not update the
11033 block-to-labels map if we are currently expanding to RTL.
11034 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11036 Handle IDENTIFIER_NODE.
11037 (tree_verify_flow_info): Do not ICE when emitting error
11038 messages about invalid labels.
11039 (dump_function_to_file): Reset CFUN before emitting the body
11041 (debug_function): New.
11042 * passes.c (init_optimization_passes): Schedule
11044 * langhooks-def.h (lhd_omp_predetermined_sharing,
11045 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11047 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11048 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11049 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11050 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11051 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11052 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11053 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11054 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11055 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11056 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11057 (LANG_HOOK_DECLS): Use them.
11059 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11060 Richard Henderson <rth@redhat.com>
11061 Jakub Jelinek <jakub@redhat.com>
11062 Diego Novillo <dnovillo@redhat.com>
11064 * c-parser.c (pragma_omp_clause): Define.
11065 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11066 (c_parser_compound_statement): Likewise.
11067 (c_parser_statement): Likewise.
11068 (c_parser_pragma): Handle omp pragmas.
11069 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11070 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11071 (c_parser_omp_clause_name, check_no_duplicate_clause,
11072 c_parser_omp_variable_list,
11073 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11074 c_parser_omp_clause_copyprivate,
11075 c_parser_omp_clause_default,
11076 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11077 c_parser_omp_clause_lastprivate,
11078 c_parser_omp_clause_nowait,
11079 c_parser_omp_clause_num_threads,
11080 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11081 c_parser_omp_clause_reduction,
11082 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11083 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11084 c_parser_omp_atomic, c_parser_omp_barrier,
11085 c_parser_omp_critical, c_parser_omp_flush,
11086 c_parser_omp_for_loop, c_parser_omp_for,
11087 c_parser_omp_master, c_parser_omp_ordered,
11088 c_parser_omp_sections_scope, c_parser_omp_sections,
11089 c_parser_omp_parallel, c_parser_omp_single,
11090 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11091 * c-pragma.c (init_pragma): Do omp pragma registration here.
11092 * c.opt (fopenmp): New flag.
11094 2006-01-18 Eric Christopher <echristo@apple.com>
11096 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11097 * config/darwin.h (GOMP_SELF_SPECS): Define.
11099 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11101 * rtl.h: Remove the prototype for reg_alloc.
11103 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11106 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11107 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11108 sjlj and dwarf2 exception handling.
11109 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11110 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11111 * pa/pa.c (function_value): Treat complex and vector types as
11113 (function_arg): Likewise. Only pass scalar floats in the floating
11114 point argument registers.
11115 * pa/t-slibgcc-dwarf-ver: New file.
11116 * pa/t-slibgcc-sjlj-ver: New file.
11117 * pa/t-slibgcc-elf-ver: Delete file.
11119 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11121 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11122 unlikely_test_section_p test.
11124 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11126 * mode-switching.c (optimize_mode_switching): Make it static.
11127 * basic-block.h: Remove the prototype for
11128 optimize_mode_switching.
11130 * modulo-sched.c (sms_schedule): Make it static.
11131 * rtl.h: Remove the prototype for sms_schedule.
11133 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11134 * rtl.h: Remove the prototype for gcse_after_reload_main.
11136 * reg-stack.c (reg_to_stack): Make it static.
11137 * rtl.h: Remove the prototype for reg_to_stack.
11139 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11141 * rtl.h: Remove the prototypes for regrename_optimize and
11142 copyprop_hardreg_forward.
11144 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11146 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11147 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11148 Test against the appropriate null constant for the mode.
11149 If 'fixup_overlap' is true, swap the operands if they overlap.
11150 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11151 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11152 alpha_split_tmode_pair and adjust for above change.
11153 * config/alpha/alpha.md (movtf_internal): Adjust call to
11154 alpha_split_tfmode_pair and rely on it to swap the operands.
11155 (movti_internal): New insn and post-reload splitter.
11156 (movti): New expander.
11158 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11160 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11163 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11165 * rtlanal.c (global_reg_mentioned_p_1,
11166 global_reg_mentioned_p): Remove.
11167 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11169 * flow.c (initialize_uninitialized_subregs): Make it static.
11170 * rtl.h: Remove the prototype for
11171 initialize_uninitialized_subregs.
11173 * function.c (instantiate_virtual_regs): Make it static.
11174 * function.h: Remove the prototype for
11175 instantiate_virtual_regs.
11177 * regmove.c (regmove_optimize, combine_stack_adjustments):
11179 * rtl.h: Remove the prototypes for regmove_optimize and
11180 combine_stack_adjustments.
11182 2006-01-17 Roger Sayle <roger@eyesopen.com>
11184 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11185 (size_cost): Encode costs in bytes so that a reg-reg addition is
11186 equivalent to COSTS_N_INSNS(1).
11187 (override_options): Use the size_cost.branch_cost as the default
11188 ix86_branch_cost when optimizing for size.
11190 2006-01-18 Ben Elliston <bje@au.ibm.com>
11192 * Makefile.in (D32PBIT_FUNCS): New.
11193 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11194 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11195 D64PBIT_FUNCS and D128PBIT_FUNCS.
11196 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11197 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11199 (decnumber_dep): Define.
11200 * doc/libgcc.texi (Decimal float library routines): New node.
11201 * config/dfp-bit.h, config/dfp-bit.c: New files.
11203 2006-01-18 Ben Elliston <bje@au.ibm.com>
11205 * expr.c (emit_move_change_mode): Always adjust addresses, not
11206 just during reload. Copy replacements only during reload.
11207 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11208 emit_move_via_integer.
11210 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11212 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11213 instead of $(srcdir) and ${srcdir}.
11215 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11218 PR middle-end/11135
11219 * arm.h (struct machine_function): Add pic_reg.
11220 * arm.c (arm_pic_register): Make unsigned.
11221 (arm_override_options): Only set arm_pic_register if
11222 TARGET_SINGLE_PIC_BASE.
11223 (use_return_insn): Only test for a pic register if it is fixed.
11224 (arm_compute_save_reg0_reg12_mask): Likewise.
11225 (thumb_compute_save_reg_mask): Likewise.
11226 (legitimate_pic_operand): Factor out some known invariants.
11227 (legitimize_pic_address): If we don't have a fixed pic register,
11228 then set up a pseudo in the function entry sequence. Handle the
11229 pic base being in a pseudo.
11230 (arm_load_pic_register): Handle the pic register being in a pseudo.
11231 (arm_expand_prologue): Only set up the pic register if it is fixed.
11232 (thumb_expand_prologue): Likewise.
11233 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11234 (pic_load_addr_based_insn): Likewise.
11235 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11238 2006-01-18 Ben Elliston <bje@au.ibm.com>
11240 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11241 decimal float modes for all floating point registers.
11243 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11244 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11246 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11249 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11250 even when the pointer is not NULL.
11252 2006-01-16 Ian Lance Taylor <ian@airs.com>
11254 * common.opt (ftoplevel-reorder): New option.
11255 * cgraph.c (cgraph_asm_nodes): New global variable.
11256 (cgraph_asm_last_node): New static variable.
11257 (cgraph_order): New global variable.
11258 (cgraph_create_node): Set new order field.
11259 (cgraph_varpool_node): Likewise.
11260 (decide_is_variable_needed): Return true if not
11261 flag_toplevel_reorder.
11262 (cgraph_add_asm_node): New function.
11263 * cgraph.h (struct cgraph_node): Add order field.
11264 (struct cgraph_varpool_node): Add order field.
11265 (struct cgraph_asm_node): Define.
11266 (cgraph_asm_nodes, cgraph_order): Declare.
11267 (cgraph_add_asm_node): Declare.
11268 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11270 (cgraph_varpool_assemble_pending_decls): Call it.
11271 (cgraph_output_pending_asms): New static function.
11272 (cgraph_finalize_compilation_unit): Call it.
11273 (struct cgraph_order_sort): Define.
11274 (cgraph_output_in_order): New static function.
11275 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11276 !flag_toplevel_reorder case.
11277 * c-parser.c: Include "cgraph.h".
11278 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11280 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11281 than -fno-unit-at-a-time.
11282 * doc/invoke.texi (Option Summary): Mention
11283 -fno-toplevel-reorder.
11284 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11285 -funit-at-a-time documentation.
11287 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11288 Kazu Hirata <kazu@codesourcery.com>
11290 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11292 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11294 * Makefile.in (FUNCTION_H): New. Use it instead of
11295 function.h throughout the file.
11296 * function.h: Include tree.h.
11298 2006-01-17 Ben Elliston <bje@au.ibm.com>
11300 * recog.c: Separate some functions with whitespace.
11302 2006-01-16 Richard Henderson <rth@redhat.com>
11304 Merge from gomp branch:
11305 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11306 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11307 and rename from struct inline_data. Rename callee* to dst*;
11308 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11309 transform_new_cfg, transform_return_to_modify, and
11310 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11312 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11313 (copy_decl_for_dup): Remove.
11314 * tree-inline.c (struct inline_data): Move to header.
11315 (insert_decl_map): Export.
11316 (remap_decl): Update for member name changes. Use copy_decl hook.
11317 Allow for replacement to be a non-decl. Remove dead code.
11318 (remap_type_1): Check for existing mapping.
11319 (remap_type): Export.
11320 (remap_decls): Update for member name changes.
11321 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11322 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11323 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11324 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11325 (tree_function_versioning, build_duplicate_type): Likewise.
11326 (copy_body_r): Likewise. Export.
11327 (copy_decl_for_dup): Split into ...
11328 (copy_decl_for_dup_finish, copy_decl_to_var,
11329 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11330 (replace_ref_tree, inlining_p): Remove.
11332 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11334 * ifcvt.c (if_convert): Make it static.
11335 * rtl.h: Remove the prototype for if_convert.
11337 * local-alloc.c (local_alloc): Make it static.
11338 * rtl.h: Remove the prototype for local_alloc.
11340 * loop.c (loop_optimize): Make it static.
11341 * cfgloop.h: Remove the prototype for loop_optimize.
11344 2006-01-16 DJ Delorie <dj@redhat.com>
11346 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11349 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11351 * pa.md: Disparage copies between general and floating-point registers
11352 in 32-bit move patterns.
11354 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11357 * Makefile.in (check-%): Depend on site.exp instead of
11358 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11361 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11363 * global.c (global_alloc): Make it static.
11364 * rtl.h: Remove the prototype for global_alloc.
11366 2006-01-16 Richard Guenther <rguenther@suse.de>
11368 * tree-ssa-alias.c (struct used_part): Add write_only field.
11369 (get_or_create_used_part_for): Initialize it to true.
11370 (create_overlap_variables_for): Don't create structure variables
11371 for structures that only are written to.
11372 (find_used_portions): Handle MODIFY_EXPR to track whether a
11373 structure is only written to.
11375 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11377 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11379 * basic-block.h: Remove the prototype for
11380 partition_hot_cold_basic_blocks.
11382 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11384 * cppspec.c (lang_specific_spec_functions): Remove.
11385 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11386 * gcc.h (lang_specific_spec_functions): Remove.
11387 * gccspec.c (lang_specific_spec_functions): Remove.
11389 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11391 * combine.c (record_value_for_reg): Invalidate registers
11393 (record_dead_and_set_regs_1): Likewise, by passing them to
11394 record_value_for_reg.
11395 (record_dead_and_set_regs): Invalidate stores made by a
11396 call. We do not combine across a call, but we still
11397 relied on equivalences.
11399 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11401 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11402 vrp_int_const_binop returning non-constant nodes.
11404 2006-01-16 Paul Brook <paul@codesourcery.com>
11406 * config/m68k/m68k.c (output_move_const_into_data_reg):
11407 Output correct mnemonic for mvz and mvs.
11409 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11411 * rtl-factoring.c: Add sequence abstraction algorithm.
11412 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11413 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11415 (block_has_preserve_label): New function.
11416 * common.opt: Register new pass.
11417 * Makefile.in: Ditto.
11419 * timevar.def: Ditto.
11420 * tree-pass.h: Ditto.
11421 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11422 * rtl.h (make_jump_insn_raw): Add forward decl.
11423 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11425 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11426 Roger Sayle <roger@eyesopen.com>
11428 * fold-const.c (fold_minmax): New static function.
11429 (fold_binary) <MIN_EXPR>: Call it.
11430 <MAX_EXPR>: Likewise.
11431 * stor-layout.c (place_field): Use DECL_SIZE consistently
11432 in the computation of the new record size.
11434 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11436 * cse.c (cse_condition_code_reg): Make it static.
11437 * rtl.h: Remove the prototype for cse_condition_code_reg.
11439 * combine.c (combine_instructions): Make it static.
11440 * rtl.h: Remove the prototype for combine_instructions.
11442 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11445 * tree.c (get_file_function_name_long): Concatenate the first global
11446 object name with a string derived from the input filename of the object
11449 2006-01-16 Ben Elliston <bje@au.ibm.com>
11451 * config/i386/winnt-stubs.c: Update FSF address.
11452 * config/xtensa/ieee754-df.S: Ditto.
11453 * config/xtensa/ieee754-sf.S: Ditto.
11455 2006-01-14 Ian Lance Taylor <ian@airs.com>
11457 * ifcvt.c (noce_init_if_info): New static function, broken out of
11458 noce_process_if_block.
11459 (noce_process_if_block): Call noce_init_if_info.
11460 (check_cond_move_block): New static function.
11461 (cond_move_process_if_block): New static function.
11462 (process_if_block): Call cond_move_process_if_block.
11464 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11466 * cselib.c (hash_table): Rename to cselib_hash_table.
11467 (cselib_clear_table, discard_useless_values,
11468 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11469 cselib_init, cselib_finish): Adjust uses of hash_table.
11471 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11473 PR tree-optimization/25485
11474 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11475 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11476 is known to be false and true, respectively.
11478 2006-01-14 Richard Guenther <rguenther@suse.de>
11480 PR tree-optimization/22548
11481 PR tree-optimization/22555
11482 PR tree-optimization/22501
11483 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11484 * params.def (salias-max-array-elements): New parameter.
11485 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11486 * doc/invoke.texi (salias-max-array-elements): Document.
11487 * tree-flow-inline.h (var_can_have_subvars): We also handle
11489 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11491 * tree-ssa-structalias.c (params.h): Include.
11492 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11493 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11494 (get_constraint_for): For ADDR_EXPR operating on something
11495 containing an ARRAY_REF, add all subvars to the solution.
11496 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11497 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11498 for creating MUST_DEFs.
11499 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11501 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11503 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11505 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11506 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11507 number_of_iterations_le): New functions.
11508 (number_of_iterations_special): Removed.
11509 (number_of_iterations_exit): Do not use number_of_iterations_special.
11510 * tree.c (unsigned_type_for): Always return integer type.
11512 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11513 Richard Guenther <rguenther@suse.de>
11515 PR rtl-optimization/24257
11516 * gcse.c (find_moveable_store): Only consider a store movable
11517 when the SET_SRC of the insn can be assigned to a register.
11519 2006-01-14 Ian Lance Taylor <ian@airs.com>
11521 * tree.c (tree_not_class_check_failed): New function.
11522 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11523 (tree_not_class_check_failed): Declare.
11525 2006-01-13 Ian Lance Taylor <ian@airs.com>
11527 * reload1.c (do_output_reload): Add assertion rejecting a
11530 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11532 * combine.c (struct reg_stat): Add new fields truncation_label and
11534 (record_value_for_reg): Reset truncated_to_mode.
11535 (record_truncated_value): New function.
11536 (check_promoted_subreg): Call it. Rename to check_conversions.
11537 (combine_instructions): Rename check_promoted_subreg to
11539 (reg_truncated_to_mode): New function.
11540 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11541 (gen_lowpart_or_truncate): New function.
11542 (force_to_mode): Use it instead of gen_lowpart.
11544 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11546 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11547 VAR is a tag, not its type tag.
11549 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11551 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11552 alternatives to match style of other entries.
11553 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11555 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11557 PR tree-optimization/25771
11558 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11561 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11564 * tree-inline.c (declare_return_variable): If the return variable
11565 was marked as a non gimple complex, set the return slot variable
11566 to be a non gimple comple variable.
11568 2006-01-13 Richard Guenther <rguenther@suse.de>
11570 * builtins.c (expand_builtin_sincos): New function.
11571 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11573 (expand_builtin): Expand sincos using expand_builtin_sincos.
11575 2006-01-12 DJ Delorie <dj@redhat.com>
11577 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11578 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11579 so that constant shifts can be split.
11580 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11581 (m32c_valid_pointer_mode): Make static.
11582 (shift_gen_func_for): New.
11583 (m32c_prepare_shift): Use it. Split large const shifts into
11585 * config/m32c/predicates.md (shiftcount_operand): Allow more
11587 (longshiftcount_operand): New.
11588 * doc/md.texi (Machine Constraints): Document In6.
11590 2006-01-13 Ben Elliston <bje@au.ibm.com>
11592 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11593 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11596 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11598 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11599 to try to avoid clobbering pieces of structures when we know
11600 something about the whole structure.
11601 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11603 2006-01-13 Ben Elliston <bje@au.ibm.com>
11605 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11606 return in memory, as this is no limitation is no longer present.
11608 2006-01-12 DJ Delorie <dj@redhat.com>
11610 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11611 mova with fb, and for fb+0 -> An.
11613 * config/m32c/mov.md (peephole2): Fix enabling logic.
11615 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11616 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11617 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11618 FINI_ARRAY_SECTION_ASM_OP): Define.
11620 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11622 (m32c_legitimize_reload_address): New logic to reload FB to An.
11623 (m32c_output_reg_push): Add newline.
11624 (m32c_output_reg_pop): Likewise.
11626 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11628 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11630 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11632 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11634 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11636 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11639 2006-01-11 Ben Elliston <bje@au.ibm.com>
11641 * rtlanal.c (find_reg_note): Assert insn is not null.
11643 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11645 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11648 2006-01-11 Jeff Law <law@redhat.com>
11650 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11652 (mark_threaded_blocks, register_jump_thread): New functions.
11653 (thread_through_all_blocks): Remove unwanted argument. No
11654 longer rely on e->aux to communicate thread target info.
11655 Call mark_threaded_blocks. Release the threaded_blocks
11656 bitmap and threaded_edges vector when complete.
11657 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11658 (threaded_blocks): Remove.
11659 (tree_ssa_dominator_optimize): Remove initialization and
11660 finalization of threaded_blocks. Simplify call to
11661 thread_through_all_blocks.
11662 (thread_across_edge): Call register_jump_thread rather than
11663 storing thread information into e->aux.
11664 (free_all_edge_infos): Simplify now that e->aux is no longer
11665 used to communicate with thread_through_all_blocks.
11666 * tree-flow.h (thread_through_all_blocks): Update prototype.
11667 (register_jump_thread): Prototype.
11669 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11671 * df-core.c (df_compact_blocks, df_bb_replace): Use
11672 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11674 2006-01-11 Richard Guenther <rguenther@suse.de>
11676 PR tree-optimization/25734
11677 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11678 stop propagation after successful propagation to the LHS.
11680 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11682 * basic-block.h (control_flow_graph): Change the type of
11683 x_basic_block_info to VEC(basic_block,gc) *.
11684 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11686 (SET_BASIC_BLOCK): New.
11687 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11688 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11689 * cfgbuild.c (find_basic_blocks): Likewise.
11690 * cfglayout.c (fixup_reorder_chain): Likewise.
11691 * cfgrtl.c (create_basic_block_structure,
11692 rtl_create_basic_block): Likewise.
11693 * ifcvt.c (find_if_case_1): Likewise.
11694 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11697 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11699 * Makefile.in: Removed rotted odf.c entry.
11701 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11704 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11705 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11706 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11707 output pattern modifier, not %e.
11708 * config/cris/cris.c (cris_op_str): Update comment about pattern
11710 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11711 before falling through into...
11712 <case 'E'>: Redefined from old 'e' case.
11714 2006-01-11 Jan Hubicka <jh@suse.cz>
11717 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11719 2006-01-11 Jan Hubicka <jh@suse.cz>
11721 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11722 * i386.c (x86_decompose_lea): Kill.
11723 (ix86_rtx_costs): Kill.
11725 2006-01-11 Jan Hubicka <jh@suse.cz>
11727 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11728 * cgraph.h (cgraph_node): Add inline_decl.
11729 (cgraph_insert_node_to_hashtable): Declare.
11730 (save_inline_function_body): Declare.
11731 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11733 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11734 (cgraph_function_versioning): Update call of tree_function_versioning.
11735 (save_inline_function_body): New function.
11736 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11737 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11738 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11739 (cgraph_default_inline_p): Likewise.
11740 (cgraph_decide_inlining_incrementally): Likewise.
11741 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11742 (copy_bb): Kill saving; do updating of clones.
11743 (copy_cfg_body): Kill saving.
11744 (initialize_inlined-parameters): Likewise.
11745 (expand_call_inline): Likewise.
11747 (tree_function_versioning): New parameter "update_clones".
11748 (inlining_p): Kill saving.
11749 * tree-inline.h (tree_function_versioning): Update prototype.
11750 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11753 2006-01-11 Ian Lance Taylor <ian@airs.com>
11755 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11756 Allow undoing set of machine mode.
11757 (do_SUBST): Use enums instead of is_int.
11758 (do_SUBST_MODE): New function.
11759 (SUBST_MODE): New macro.
11760 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11761 reg and trying to replace reg_regno_rtx with a new register.
11762 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11763 (simplify_set): Use SUBST_MODE.
11764 (distribute_notes): Remove code that tried to update reg notes
11765 for regno_reg_rtx changes.
11767 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11769 PR tree-optimization/23109
11770 PR tree-optimization/23948
11771 PR tree-optimization/24123
11773 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11774 * tree-cfg.c (single_noncomplex_succ): New.
11775 * tree-flow.h (single_noncomplex_succ): Declare it.
11776 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11777 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11778 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11779 insert_bb, register_division_in, insert_reciprocals,
11780 replace_reciprocal, free_bb): New.
11781 (execute_cse_reciprocals_1): Rewritten.
11782 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11783 Do not commit any edge insertion. Always compute dominators and
11784 create the allocation pool.
11785 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11786 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11787 * targhooks.c (default_min_divistions_for_recip_mul): New.
11788 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11789 * passes.c (init_optimization_passes): Run recip after tree loop
11791 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11793 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11794 Kenneth Zadeck <zadeck@naturalbridge.com>
11796 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11797 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11798 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11799 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11800 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11801 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11802 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11803 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11804 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11805 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11806 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11807 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11808 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11809 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11810 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11811 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11812 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11813 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11814 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11815 DF_SCAN_POST_ALLOC): New macros.
11816 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11817 df_free_bb_function, df_local_compute_function, df_init_function,
11818 df_dataflow_function, df_confluence_function_0,
11819 df_confluence_function_n, df_transfer_function,
11820 df_finalizer_function, df_free_function, df_dump_problem_function,
11821 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11822 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11823 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11824 df_urec_bb_info, ) New types.
11825 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11827 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11828 df_analyze_simple_change_some_blocks,
11829 df_analyze_simple_change_one_block, df_compact_blocks,
11830 df_bb_replace, df_bb_regno_last_use_find,
11831 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11832 df_insn_regno_def_p, df_find_def, df_find_use,
11833 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11834 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11835 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11836 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11837 debug_df_chain, df_get_dependent_problem, df_chain_create,
11838 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11839 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11840 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11841 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11842 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11843 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11844 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11845 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11846 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11847 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11848 df_reorganize_refs, df_set_state, df_hard_reg_init,
11849 df_read_modify_subreg_p) New public functions.
11850 * df-core.c: The core dataflow solver and glue routines for rtl
11852 (df_init, df_add_problem, df_set_blocks, df_finish,
11853 df_hybrid_search_forward, df_hybrid_search_backward,
11854 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11855 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11856 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11857 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11858 df_reg_defined, df_find_use, df_reg_used, df_dump,
11859 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11860 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11861 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11862 debug_df_useno, reset_df_after_reload): New functions.
11863 * df-scan.c: The scanning fuctions, once in df.c, completely
11864 rewritten so that they now fully model the functionality of
11865 register usage at the backend.
11866 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11867 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11868 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11869 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11870 df_get_artificial_defs, df_get_artificial_uses,
11871 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11872 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11873 df_refs_delete, df_reorganize_refs, df_set_state,
11874 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11875 df_def_record_1, df_defs_record, df_uses_record,
11876 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11877 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11878 df_record_exit_block_uses, df_hard_reg_init): New functions.
11880 * df-problems.c: Seven concrete dataflow problems that use the
11881 scanning in df-scan.c and are solved by the engine in df-core.c.
11882 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11883 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11884 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11885 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11886 df_ru_free_bb_info, df_ru_alloc,
11887 df_ru_bb_local_compute_process_def,
11888 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11889 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11890 df_ru_transfer_function, df_ru_free, df_ru_dump,
11891 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11892 df_rd_free_bb_info, df_rd_alloc,
11893 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11894 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11895 df_rd_transfer_function, df_rd_free, df_rd_dump,
11896 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11897 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11898 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11899 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11900 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11901 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11902 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11903 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11904 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11905 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11906 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11907 df_urec_mark_reg_use_for_earlyclobber,
11908 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11909 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11910 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11911 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11912 df_chain_create_bb_process_use, df_chain_create_bb,
11913 df_chain_finalize, df_chain_free, df_chains_dump,
11914 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11915 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11916 df_reg_lifetime): New functions.
11917 * df.c: Deleted file.
11918 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11919 consistent with new df api.
11920 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11921 rest_of_handle_sms): Ditto.
11922 * web.c (unionfind_union, union_defs, entry_register, web_main):
11924 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11925 invariant_expr_equal_p, find_defs, check_dependencies,
11926 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11927 free_inv_motion_data, move_loop_invariants): Ditto.
11928 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11929 Update dependencies.
11930 (odf.c): Added defective entry that was deleted later in day.
11931 * sched-deps.c (sched_analyze_1): Ditto.
11933 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11935 * tree-ssa-operands.c (get_expr_operands): Record addressable
11936 variables directly. Do not call add_stmt_operands for CONST_DECLs
11938 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11939 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11941 2006-01-11 Ben Elliston <bje@au.ibm.com>
11943 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11944 function returns true in the positive case.
11946 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11949 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11950 for SI, DI, SF and DF modes. Add alternatives to copy between
11951 general and floating point registers to the 32-bit patterns.
11952 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11953 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11954 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11955 generating 64-bit code.
11956 * config/pa/pa.c (output_move_double): Handle copies between general
11957 and floating registers.
11959 2006-01-10 Stuart Hastings <stuart@apple.com>
11961 * config/i386/i386.md (set_got): Update.
11962 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11963 (builtin_setjmp_receiver): Mach-O support.
11964 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11965 (GOT_SYMBOL_NAME): Define.
11966 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11967 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11968 * config/i386/i386.c (override_options): Revise for Darwin.
11969 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11970 support. (darwin_x86_file_end): New. (output_set_got): Add label
11971 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11972 * config/i386/i386-protos.h (output_set_got): Likewise.
11973 * config/darwin.c (machopic_legitimize_pic_address): Update
11976 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11978 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11979 when MODE isn't BLKmode.
11981 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11983 PR rtl-optimization/25367
11984 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11986 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11989 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11990 for a negative bound.
11992 2006-01-10 Richard Guenther <rguenther@suse.de>
11994 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11995 Never override with anything constraint.
11997 2006-01-10 Jan Beulich <jbeulich@novell.com>
11999 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12000 256 bits when optimize_size.
12002 2006-01-10 Jan Beulich <jbeulich@novell.com>
12004 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12006 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12007 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12010 2006-01-10 Ben Elliston <bje@au.ibm.com>
12012 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12014 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12015 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12016 (USE_FP_FOR_ARG): Reject decimal float modes.
12017 (function_arg_advance): Likewise.
12018 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12019 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12020 point types in AltiVec vectors.
12021 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12022 (rs6000_libcall_value): Likewise.
12024 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12026 * config/xtensa/ieee754-df.S: New file.
12027 * config/xtensa/ieee754-sf.S: New file.
12028 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12029 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12030 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12032 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12034 * config/sh/predicates.md (binary_float_operator,
12035 binary_logical_operator, commutative_float_operator,
12036 equality_comparison_operator, greater_comparison_operator,
12037 less_comparison_operator, logical_operator,
12038 noncommutative_float_operator, shift_operator,
12039 symbol_ref_operand, unary_float_operator): Remove redundant
12042 2006-01-09 Jeff Law <law@redhat.com>
12044 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12045 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12046 now unused arguments. Callers updated.
12047 (eliminate_redundant_computations): Remove now unused arguments,
12049 (local_fold): Remove, no longer used.
12050 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12052 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12053 (simplify_cond): New function.
12054 (forward_propagate_into_cond): Call simplify_cond.
12056 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12058 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12059 (*vec_extractv2di_1_sse): New.
12061 2006-01-09 Ben Elliston <bje@au.ibm.com>
12063 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12065 2006-01-08 Richard Guenther <rguenther@suse.de>
12067 * tree-ssa-structalias.c (get_constraint_for): Remove
12068 anyoffset argument.
12069 (get_constraint_for_component_ref): Likewise.
12070 (do_deref): Likewise.
12071 (get_constraint_for): Likewise.
12072 (do_structure_copy): Likewise.
12073 (handle_ptr_arith): Likewise.
12074 (find_func_aliases): Likewise. Remove unused need_anyoffset
12077 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12078 Kaz Kojima <kkojima@gcc.gnu.org>
12080 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12081 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12082 (EXTRA_CONSTRAINT_C16): Remove.
12083 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12084 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12085 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12086 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12087 constants of SHmedia. Handle nested constant expressions of
12089 (andcosts): Fix the costs for SHmedia constants.
12090 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12091 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12092 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12093 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12094 (movv4hi_i, movv2si_i): Likewise.
12095 (movsi_const): Adjust the second operand of ior so to match with
12096 the Csu constraint.
12097 (movdi_const, movdi_const_32bit): Likewise.
12098 (movdi_const_16bit+1): Don't sign-extend LOW.
12099 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12101 (*double_shori): Fix the split condition. Use GEN_INT instead
12102 of get_int_mode calls. Mask lower 16-bit of the argument of
12104 (sym2GOTPLT): Remove.
12105 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12107 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12108 instead of EXTRA_CONSTRAINT_C16.
12110 2006-01-07 Ian Lance Taylor <ian@airs.com>
12111 David Edelsohn <edelsohn@gnu.org>
12113 PR rtl-optimization/25662
12114 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12115 for constant operands instead of simplify_gen_binary.
12116 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12117 after trying simplify_binary_operation
12119 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12121 * tree.c (iterative_hash_expr): Hash decls based on UID.
12123 2006-01-06 Eric Christopher <echristo@apple.com>
12125 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12126 (TARGET_UNWIND_EMIT): Fix spelling.
12127 * target.h (gcc_target): Add except_table_label.
12128 * except.c (output_function_exception_table): Use.
12129 * varasm.c (default_emit_except_table_label): New.
12130 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12132 (asm_out): Add here.
12133 * output.h (default_emit_except_table_label): Prototype.
12134 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12135 * config/darwin.c (darwin_emit_except_table_label): Define.
12136 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12138 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12140 PR tree-optimization/18527
12141 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12142 number_of_iterations_special, number_of_iterations_exit):
12143 Move base and step of an iv to a single structure. Add
12144 no_overflow flag, and use it in # of iterations analysis.
12145 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12146 folded_casts argument.
12147 (simple_iv): Pass base and step in a structure. Set no_overflow
12149 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12150 Evaluate expensiveness of computing # of iterations instead of
12151 the final expression.
12152 * tree-scalar-evolution.h (affine_iv): New structure.
12153 (simple_iv): Declaration changed.
12154 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12155 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12156 find_givs_in_stmt): Changed due to simple_iv change.
12158 2006-01-06 Jeff Law <law@redhat.com>
12161 * tree-cfg.c (bsi_replace): Rename final argument from
12162 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12163 change (stmt -> orig_stmt).
12164 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12165 (bsi_remove): Add new argument. Remove EH information
12167 (verify_eh_throw_table_statements): New function.
12168 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12170 * tree-optimize.c (execute_free_cfg_annotations): Verify
12171 the EH throw statement table after removing annotations.
12172 * except.h (verify_eh_throw_table_statements): Prototype.
12173 * tree-flow.h (bsi_remove): Update prototype.
12174 * tree-vrp.c (remove_range_assertions): Add new argument to
12176 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12177 * tree-complex.c (expand_complex_div_wide): Likewise.
12178 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12179 * tree-tailcall.c (eliminate_tailcall): Likewise.
12180 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12181 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12182 * tree-nrv.c (tree_nrv): Likewise.
12183 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12184 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12185 (combine_blocks): Likewise.
12186 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12187 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12188 (cleanup_control_flow): Likewise.
12189 (remove_forwarder_block): Likewise.
12190 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12191 * tree-sra.c (sra_replace): Likewise.
12192 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12193 (forward_propagate_single_use_vars): Likewise.
12194 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12195 * tree-inline.c (expand_call_inline): Likewise.
12196 * tree-vect-transform.c (vect_transform_loop): Likewise.
12197 * tree-outof-ssa.c (rewrite_trees): Likewise.
12198 * tree-cfg.c (make_goto_expr_edges): Likewise.
12199 (cleanup_dead_labels): Likewise.
12200 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12201 (bsi_move_before, bsi_move_after): Likewise.
12202 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12203 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12205 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12208 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12210 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12211 on non gimple variables. Also add checks at the top for decls and
12213 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12215 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12216 and IMAGPART_EXPR for creating MUST_DEFs.
12217 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12218 and NAME_MEMORY_TAG separately from the DECLs.
12220 2006-01-06 Richard Guenther <rguenther@suse.de>
12222 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12223 annotation, if necessary.
12224 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12225 redundant calls to update_stmt.
12226 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12229 2006-01-05 Richard Henderson <rth@redhat.com>
12231 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12233 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12235 * c-typeck.c: Update copyright date.
12237 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12239 * c-typeck.c (build_c_cast): Always warn when casting
12240 from a pointer to an integer of different size, even if
12241 the node was constant.
12243 2006-01-05 Richard Guenther <rguenther@suse.de>
12245 PR tree-optimization/22555
12246 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12247 if one structure field is an array.
12248 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12249 operands even if we found a subvar, but ignore VOPs in this
12251 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12253 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12255 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12257 PR middle-end/24998
12258 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12260 2006-01-05 Richard Guenther <rguenther@suse.de>
12261 Diego Novillo <dnovillo@redhat.com>
12263 * tree-pass.h (TODO_remove_unused_locals): Define.
12264 * gimple-low.c (expand_var_p, remove_useless_vars,
12265 pass_remove_useless_vars): Remove. Update all users.
12266 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12267 (remove_unused_locals): New function.
12268 * tree-flow.h (remove_unused_locals): Declare.
12269 * passes.c (execute_todo): Call remove_unused_locals if
12270 TODO_remove_unused_locals is set.
12271 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12272 * tree-ssa-dce.c (pass_dce): Likewise.
12273 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12275 2006-01-05 Richard Guenther <rguenther@suse.de>
12277 * tree-flow.h (struct fieldoff): Decompose field to
12278 type, size and decl.
12279 * tree-ssa-alias.c (create_sft): Take type as parameter.
12280 (create_overlap_variables_for): Store type, size and decl
12281 in the fieldoff structure.
12282 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12283 of struct fieldoff.
12284 (push_fields_onto_fieldstack): Likewise.
12285 (create_variable_info_for): Likewise. Use offset for the
12286 SFT name if the decl is not available.
12288 2006-01-04 Paul Brook <paul@codesourcery.com>
12290 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12292 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12294 * lambda-code.c (can_put_in_inner_loop): Relax
12296 (can_put_after_inner_loop): New function.
12297 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12298 (perfect_nestify): Change to make copies and modify uses.
12300 2006-01-04 Richard Henderson <rth@redhat.com>
12302 Merge from gomp branch:
12303 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12304 via integer constant.
12305 (pragma_lex): Remove.
12306 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12307 rather than parsing it.
12308 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12309 handle_pragma_extern_prefix): Add %< %> quotes.
12310 (registered_pragmas): New.
12311 (c_register_pragma_1): New.
12312 (c_register_pragma): Use it.
12313 (c_register_pragma_with_expansion): Likewise.
12314 (c_invoke_pragma_handler): New.
12315 (init_pragma): Use cpp_register_deferred_pragma directly for
12317 * c-pragma.h (enum pragma_kind): New.
12318 (pragma_handler): New.
12319 (c_invoke_pragma_handler): Declare.
12320 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12322 * c-common.h (c_common_pch_pragma): Update decl.
12323 * Makefile.in (c-parser.o): Update dependencies.
12324 (GTFILES): Add c-pragma.h.
12325 * c-parser.c (struct c_token): Add pragma_kind.
12326 (struct c_parser): Add in_pragma.
12327 (c_lex_one_token): Always initialize keyword and pragma_kind.
12328 Extract data for CPP_PRAGMA.
12329 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12330 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12331 Don't allow CPP_PRAGMA_EOL if in_pragma.
12332 (c_parser_consume_pragma): New.
12333 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12334 (c_parser_skip_to_end_of_parameter): Likewise.
12335 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12336 (c_parser_skip_to_pragma_eol): New.
12337 (c_parser_external_declaration): Handle CPP_PRAGMA.
12338 (c_parser_compound_statement_nostart): Likewise.
12339 (c_parser_statement_after_labels): Likewise.
12340 (c_parser_pragma): New.
12341 (pragma_lex): Likewise.
12342 (c_parser_pragma_pch_preprocess): New.
12343 (c_parser_new): Merge into ...
12344 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12346 2006-01-04 Jeff Law <law@redhat.com>
12349 * tree-cfg.c (bsi_replace): Remove the original statement
12350 from the EH throw statement table.
12352 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12354 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12355 make the prototype extern "C" and add throw ().
12358 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12359 and pos non-negative and pos + len <= 32.
12360 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12361 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12362 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12365 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12366 as well as sizes not multiple of component size.
12369 * function.c (instantiate_expr): New function.
12370 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12371 walk its DECL_VALUE_EXPR with instantiate_expr.
12373 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12374 DW_OP_deref{,_size} if address isn't going to be added.
12376 2006-01-04 Ben Elliston <bje@au.ibm.com>
12378 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12379 * config/fp-bit.c: Likewise.
12381 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12383 * dominance.c: Add comment about why we use DFS numbering
12386 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12387 Richard Henderson <rth@redhat.com>
12389 Merge from gomp-branch:
12390 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12391 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12393 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12395 PR rtl-optimization/25578
12396 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12397 pass a parameter to simplify_shift_const if changing ASHIFTRT
12400 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12402 * builtins.c (get_builtin_sync_mem): New function.
12403 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12404 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12405 Call get_builtin_sync_mem to generate mem rtx.
12407 2006-01-03 Richard Guenther <rguenther@suse.de>
12410 * stmt.c (add_case_node): Make sure to clear overflow flags
12413 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12415 Merge from gomp-branch.
12416 * config/sparc/sync.md: New file.
12417 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12418 UNSPECV_LDSTUB): New constants.
12419 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12420 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12421 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12424 2006-01-03 Roger Sayle <roger@eyesopen.com>
12426 * combine.c (reg_subword_p): New predicate to test whether the
12427 destination of a set refers to a subword/piece of a register.
12428 (try_combine): Generalize the code to merge the setting of a
12429 pseudo to a constant followed by a set of a subword of that
12430 register to a constant.
12432 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12434 * basic-block.h (control_flow_graph): Change the type of
12435 x_label_to_block_map to VEC(basic_block,gc) *.
12436 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12437 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12439 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12440 VEC(basic_block,heap) *.
12441 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12442 ssa_prop_fini): Adjust the uses of cfg_blocks.
12444 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12446 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12448 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12449 hashing trees instead of a pointer hash.
12450 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12451 compare for MEM_EXPR.
12453 PR rtl-optimization/25130
12454 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12455 when comparing MEMs for GCSE
12457 2006-01-03 Ben Elliston <bje@au.ibm.com>
12459 * targhooks.h (default_decimal_float_supported_p): Declare.
12460 * targhooks.c (default_decimal_float_supported_p): Define.
12461 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12462 `default_decimal_float_supported_p'.
12463 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12465 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12467 * combine.c (apply_distributive_law <SUBREG>): Check
12468 TRULY_NOOP_TRUNCATION.
12470 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12472 * dwarf2out.c (have_switched_text_section): Delete.
12473 (have_multiple_function_sections): New.
12474 (have_location_lists): Make 'bool'.
12475 (add_AT_loc_list): Use 'true' not '1'.
12476 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12477 (output_loc_list): Use have_multiple_function_sections.
12478 (output_ranges): Likewise.
12479 (dwarf2out_begin_function): Set have_multiple_function_sections if
12481 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12482 Check function_section rather than DECL_SECTION_NAME.
12483 (dwarf2out_finish): Use have_multiple_function_sections.
12484 Don't clear have_location_lists.
12486 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12487 Jan Hubicka <jh@suse.cz>
12489 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12490 case of conditional jump jumping to the next instruction.
12491 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12492 cases of conditional jump jumping to the next instruction.
12494 2006-01-02 Jan Hubicka <jh@suse.cz>
12496 * i386.c (*_cost): Add COSTS_N_INSNS.
12497 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12499 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12502 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12504 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12506 * config/arm/arm.c (all_fpus): Fix comment typo.
12507 * config/darwin.c: Likewise.
12508 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12509 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12510 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12512 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12514 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12515 (rs6000_split_compare_and_swapqhi): New.
12516 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12517 (sync_compare_and_swapqhi_internal): New.
12518 * config/rs6000/rs6000-protos.h: Declare.
OSDN Git Service
