1 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4 Add a new alternative to the constraint strings. Add move of
5 operand 1 to 3 to the splitter definition.
6 ("doloop_si_long"): Second contraint alternative removed.
8 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
11 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
13 (AVR_HAVE_MOVW) Define.
14 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
15 (ASM_SPEC): Add avr25.
16 (LINK_SPEC): Add avr25.
17 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
18 (base_arch_s): Add new member 'have_movw_lpmx'.
19 (avr_arch_types): Init 'have_movw_lpmx'.
20 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
21 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
22 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
23 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
24 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
26 (avr_file_start): Do not output '.arh' derective.
27 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
28 (__do_copy_data): Use __AVR_HAVE_LPMX__.
29 * config/avr/avr.md (mcu_enhanced): Delete.
30 (mcu_have_movw): Define.
31 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
32 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
33 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
34 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
35 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
36 attiny861 and at86rf401 devices.
38 2006-06-18 Jie Zhang <jie.zhang@analog.com>
40 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
43 2006-06-17 Karl Berry <karl@gnu.org>
45 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
46 doc/gccint.texi, doc/install.texi (@dircategory): Use
47 "Software development" instead of "Programming", following
48 the Free Software Directory.
50 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
52 * config/i386/i386.c (legitimate_tls_address)
53 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
54 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
55 (*tls_dynamic_gnu2_combine_64): Likewise.
57 2006-06-16 Richard Guenther <rguenther@suse.de>
60 * fold-const.c (negate_expr_p): Do not introduce undefined
61 overflow in negating INTEGER_CSTs.
62 (fold_negate_expr): Rename from negate_expr. Revert last
63 change for folding BIT_NOT_EXPR. Change semantics to
64 return NULL_TREE for non-simplified negations. Do not
65 strip type conversions and unify type handling.
66 (negate_expr): New function, wrap around fold_negate_expr
67 but ensure building a tree always. Strip type conversions
68 here, fold to result type.
69 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
71 2006-06-16 Roger Sayle <roger@eyesopen.com>
74 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
75 that (would) return their results in stack registers.
77 2006-06-16 Michael Matz <matz@suse.de>
78 Richard Guenther <rguenther@suse.de>
80 * fold-const.c (fold_truthop): Only return new tree node if
81 we canonicalized something.
83 2006-06-16 Richard Guenther <rguenther@suse.de>
85 * function.h (enum function_frequency): Move declaration
86 out of struct function.
87 (struct function): Move bool fields and the enum to the bitfield
88 section. Reorder elements to avoid padding. Remove unused
89 fields left over from the RTL inliner removal.
90 * function.c (free_after_compilation): Do not zero removed fields.
91 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
92 (ipa-type-escape.o): Likewise.
94 2006-06-16 Richard Guenther <rguenther@suse.de>
96 * cgraph.h (struct cgraph_local_info): Turn bool elements
98 (struct cgraph_node): Likewise.
99 (struct cgraph_varpool_node): Likewise.
101 2006-06-15 Richard Guenther <rguenther@suse.de>
103 * fold-const.c (fold_truth_not_expr): Rename from
104 invert_truthvalue. Give it fold_* semantics to avoid
106 (invert_truthvalue): New function. Wrapper around
108 (optimize_minmax_comparison): Avoid creating garbage.
109 (fold_unary): Use fold_truth_not_expr for folding
111 (fold_ternary): Replace uses of invert_truthvalue with
112 fold_truth_not_expr where applicable.
113 * tree.h (fold_truth_not_expr): Prototype.
115 2006-06-16 Richard Guenther <rguenther@suse.de>
117 PR tree-optimization/27781
118 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
119 * ipa-pure-const.c (target.h): Include.
120 (analyze_function): Do not analyze functions that do not
123 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
126 * tree-dfa.c (referenced_vars_dup_list): Remove.
127 (find_referenced_vars): Remove assert.
128 (referenced_var_check_and_insert): Replace dup list with assert.
129 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
130 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
132 2006-06-15 Richard Guenther <rguenther@suse.de>
134 * tree-ssa-structalias.c (alias_get_name): Avoid creating
135 extra unused identifiers if not dumping.
136 (create_variable_info_for): Likewise.
138 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
140 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
141 (derive_constant_upper_bound): Derive more precise upper bound in
142 common cases. Return type changed to double_int.
143 (record_estimate): Reflect the changed return type of
144 derive_constant_upper_bound.
145 * double-int.c (double_int_zext, double_int_sext): Fix.
147 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
149 * configure.ac (CFLAGS): Get them from the toplevel or from the
150 configure invocation.
151 * configure: Regenerate.
152 * Makefile.in (CFLAGS): Substitute value provided by configure.
154 2006-06-14 Mark Mitchell <mark@codesourcery.com>
157 * c-common.h (c_finish_omp_atomic): Adjust declaration.
158 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
159 rather than calling add_stmt on it.
160 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
162 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
165 * reload1.c (reload): Remove registers returned by update_eliminables
166 from used_spill_regs.
168 2006-06-13 DJ Delorie <dj@redhat.com>
170 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
172 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
174 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
175 html__strip_dir, html__mkdir_p. Enhance install-html target.
176 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
177 * configure: Regenerate.
179 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
181 * fold-const.c (fold_cond_expr_with_comparison): Check for
182 Objective-C++ as language in deciding COND_EXPR transformation.
184 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
187 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
188 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
189 * config/sh/lib1funcs.h (SL, SL1): Define.
190 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
191 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
192 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
193 (OBJS_Os_4_200): New variable.
194 ($(T)libgcc-Os-4-200.a): Use it.
195 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
196 when dividing 1 and/or by 0.
198 2006-06-13 Roger Sayle <roger@eyesopen.com>
200 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
201 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
202 * configure: Regenerate.
204 2006-06-13 Jie Zhang <jie.zhang@analog.com>
206 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
207 for real instruction.
209 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
212 * haifa-sched.c (check_cfg): Handle special case.
214 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
217 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
218 Add debug_info parameter. Chain the vars to the BLOCK instead
219 of the BIND_EXPR if debug info are requested for them.
220 (pop_gimplify_context): Adjust for above change.
221 (gimple_add_tmp_var): Likewise.
222 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
224 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
225 (convert_local_reference): Likewise.
226 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
227 (finalize_nesting_tree_1): Request that debug info be emitted
230 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
232 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
235 2006-06-13 Richard Guenther <rguenther@suse.de>
238 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
240 2006-06-13 Richard Guenther <rguenther@suse.de>
242 PR tree-optimization/27830
243 * tree-inline.c (copy_body_r): For copying the operand
244 of an ADDR_EXPR make sure to fold &* afterwards.
246 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
248 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
249 lvalues in the fb_none case with side-effects.
251 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
253 * tree-flow.h: Remove the prototype for
254 compute_phi_arg_on_exit.
255 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
256 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
259 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
261 * builtins.c (expand_builtin_return_addr): Only use
262 frame_pointer_rtx when count == 0 and we are expanding
263 __builtin_return_address.
265 2006-06-12 Fred Fish <fnf@specifix.com>
267 * config/mips/mips.c (mips_file_start): Create special section
268 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
270 2006-06-11 Eric Christopher <echristo@apple.com>
273 * stor-layout.c (place_field): Remove check for
274 remaining_in_alignment when aligning at the end of a run.
276 2006-06-11 Eric Christopher <echristo@apple.com>
279 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
282 2006-06-11 Roger Sayle <roger@eyesopen.com>
285 Revert incorrect fix for PR target/27158
286 2006-05-08 Roger Sayle <roger@eyesopen.com>
287 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
288 of a reg_equiv_constant if the result is a legitimate constant.
290 2006-06-11 Roger Sayle <roger@eyesopen.com>
293 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
294 extract a CONST_VECTOR element and interpret it as an integer.
295 (vspltis_constant): Use const_vector_elt_as_int instead of the
296 macro CONST_VECTOR_ELT in order to handle FP vector modes.
297 * config/rs6000/predicates.md (easy_vector_const): Consider
298 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
300 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
303 * stor-layout.c (update_alignment_for_field): Don't add extra
304 alignment for packed non-bitfield fields in ms_bitfield_layout_p
307 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
309 * config/mips/t-rtems: Add EL/EB multilib variants.
311 2006-06-09 Mike Stump <mrs@apple.com>
313 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
315 2006-06-09 David Daney <ddaney@avtrex.com>
317 * doc/install.texi: Add binutils version recommendation for mips-*-*.
319 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
321 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
323 2006-06-09 Richard Guenther <rguenther@suse.de>
325 PR tree-optimization/26998
326 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
327 of signed types, only TYPE_MIN_VALUE is special, but for both,
328 minimum and maximum value. Likewise VR_ANTI_RANGE is special
329 in this case, as is -fwrapv.
331 2006-06-08 Mike Stump <mrs@apple.com>
334 * config/darwin.c (darwin_asm_output_anchor): Disable
335 -fsection-anchors on darwin for now.
336 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
337 * rs6000/rs6000.c (optimization_options): Likewise.
339 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
342 * config/i386/i386.c (classify_argument): Skip fields with invalid
345 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
347 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
348 (cse_insn): Likewise for the stack_pointer_rtx.
350 2006-06-08 Roger Sayle <roger@eyesopen.com>
352 * tree-ssa-dom.c (record_conditions): Only record "unordered"
353 conditions from floating point comparisons.
355 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
358 * expmed.c (struct alg_hash_entry): Fix type of field T
359 to match synth_mult argument.
360 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
362 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
365 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
368 2006-06-08 Richard Guenther <rguenther@suse.de>
371 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
372 only, if overflow is defined and not trapping.
373 (negate_expr): Likewise.
375 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
377 PR tree-optimization/27872
378 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
379 flag on the new exit edge of the unrolled loop.
381 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
383 PR rtl-optimization/26449
384 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
386 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
389 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
390 referenced_variables with matching DECL_UID's.
391 (find_referenced_vars): Make sure duplicate list is empty to start.
392 (referenced_var_p): Remove.
393 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
394 Check if var is in the list, and add if needed. Update the duplicate
395 list if a different var is in the list with the same DECL_UID.
396 (add_referenced_var): Call routine to check and insert.
397 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
398 * tree-flow.h (referenced_vars_dup_list): External declaration.
400 2006-06-07 Fred Fish <fnf@specifix.com>
402 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
405 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
408 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
409 the imaginary and real parts of a clobbered register.
410 Emit insn to set the imaginary part.
412 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
414 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
415 in lieu of unwind-dw2-fde.c.
417 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
419 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
421 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
424 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
425 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
426 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
427 V4SImode temporaries and operations instead.
429 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
431 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
434 2006-06-06 Mike Stump <mrs@apple.com>
436 * Makefile.in: Rename to htmldir to build_htmldir to avoid
437 installing during build.
439 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
441 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
443 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
444 * config/ia64/ia64.c (params.h): New header.
445 (ia64_optimization_options): New function to adjust parameters.
446 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
447 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
448 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
450 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
452 * stor-layout.c (debug_rli): Fix a typo in a debug message.
454 2006-06-05 Steve Ellcey <sje@cup.hp.com>
457 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
459 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
460 Victor Kaplansky <victork@il.ibm.com>
462 PR tree-optimization/26360
463 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
466 2006-06-04 Roger Sayle <roger@eyesopen.com>
467 Andrew Pinski <pinskia@physics.uc.edu>
470 * c-common.c (c_common_truthvalue_conversion): Explicitly check
471 for LABEL_DECL before calling DECL_WEAK.
474 * c-typeck.c (build_binary_op): Likewise, explicitly check for
475 LABEL_DECL and PARM_DECL.
477 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
481 * c-decl.c (grokdeclarator): Disallow variably modified types at
482 file scope. Avoid marking shared array type of constant size as
485 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
488 * c-common.c (fold_offsetof_1): Handle static members.
490 2006-06-04 Eric Christopher <echristo@apple.com>
492 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
493 (debug_rli): Output value for remaining_in_alignment.
494 (update_alignment_for_field): Unconditionalize
495 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
496 extra alignment code.
497 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
498 ms_bitfield_layout_p code. Rewrite handling of structure fields.
499 * tree.h (record_layout_info_s): Remove prev_packed.
500 * doc/extend.texi (ms_struct): Add documentation of format.
502 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
504 * tree.h: Declare folding_initializer.
505 * builtins.c (fold_builtin_constant_p): Give definite answer
506 if folding inside an initializer.
507 * fold-const.c: Define folding_initializer.
508 (START_FOLD_INIT): Save and then set folding_initializer.
509 (END_FOLD_INIT): Restore folding_initializer.
511 2006-06-04 Richard Guenther <rguenther@suse.de>
513 PR tree-optimization/27039
514 * fold-const.c (fold_comparison): Handle pointer comparison
515 again for all comparison codes. Compare offsets in signed
517 (fold_binary): Move code from here.
519 2006-06-03 Roger Sayle <roger@eyesopen.com>
522 * config/i386/i386.c (construct_container): Split static issued_error
523 flag into issued_sse_arg_error, issued_sse_ret_error and
524 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
525 requires the use of x87 registers and the user explicitly
526 specified the -mno-80387 command line option.
528 2006-06-02 Geoffrey Keating <geoffk@apple.com>
530 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
531 HAVE_DECL_SIGALTSTACK.
533 (segv_handler): Use MC_FLD.
534 * configure.ac: Check for a sigaltstack declaration.
535 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
536 * configure: Regenerate.
537 * config.in: Regenerate.
539 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
542 * Makefile.in (stmp-fixinc): Fix typo.
544 2006-06-02 Roger Sayle <roger@eyesopen.com>
546 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
547 are type correct. Clean-up.
548 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
549 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
551 2006-06-01 DJ Delorie <dj@redhat.com>
553 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
554 shift, as we've disabled the "switch" insn that needs it.
556 2006-06-01 Per Bothner <bothner@bothner.com>
558 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
559 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
560 * c-ppoutput.c (cb_define): Don't increment line 0.
562 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
564 * doc/invoke.texi: Add cpu_type power6.
565 * config.gcc: Add cpu_type power6.
566 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
567 to power5+ with Altivec.
568 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
569 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
571 2006-05-30 Anatoly Sokolov <aesok@post.ru>
573 * config/avr/avr.h (SET_ASM_OP): Define.
575 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
577 * config/bfin/bfin.c: Fix comment typos.
579 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
582 * doc/install.texi: Document --enable-bootstrap and
585 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
587 * doc/install.texi: Document that InfoZIP can replace jar.
589 2006-05-31 Roger Sayle <roger@eyesopen.com>
591 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
592 isn't available, directly generate the simpler x87 patterns without
593 the (use (const_int 0)).
594 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
595 implementation isn't available.
596 (*negdf2_1): Likewise.
597 (*negxf2_1): XF mode negation is always done using the x87.
598 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
600 2006-05-31 Roger Sayle <roger@eyesopen.com>
602 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
603 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
605 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
607 2006-05-31 Jie Zhang <jie.zhang@analog.com>
609 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
610 * config/bfin/bfin.c (basic-block.h): Include.
611 (struct machine_function): New.
612 (bfin_init_machine_status): New.
613 (override_options): Initialize init_machine_status.
614 (bfin_hardware_loop): New.
615 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
616 (DEF_VEC_P (loop_info)): New.
617 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
618 (struct loop_info): New.
619 (loop_info): New typedef.
620 (struct loop_work): New.
621 (loop_work): New typedef.
622 (DEF_VEC_O (loop_work)): New.
623 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
624 (bfin_dump_loops): New.
625 (bfin_bb_in_loop): New.
626 (bfin_scan_loop): New.
627 (bfin_optimize_loop): New.
628 (bfin_reorg_loops): New.
629 (bfin_reorg): Use bfin_reorg_loops.
630 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
632 (I_REGNO_P): Simplify.
633 (DP_REGNO_P, DPREG_P): New macros.
634 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
635 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
636 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
637 Add LT_REGS, LC_REGS, LB_REGS.
638 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
640 (REGNO_REG_CLASS): Deal with loop registers.
641 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
643 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
644 New constants for loop registers.
645 (UNSPEC_LSETUP_END): New.
646 (seq_insns): New define_attr. Set it for appropriate insns.
647 (movsi_insn): Add alternatives for move from/to
648 loop count registers.
649 (doloop_end): New define_expand.
650 (loop_end): New define_insn.
651 (define_split for bad doloop_end): New.
652 (lsetup_with_autoinit): New define_insn.
653 (lsetup_without_autoinit): New define_insn.
654 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
655 * config/bfin/predicates.md (lc_register_operand): New.
656 (lt_register_operand): New.
657 (lb_register_operand): New.
658 (nondp_register_operand): New.
659 (nondp_reg_or_memory_operand): New.
660 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
662 2006-05-31 Jie Zhang <jie.zhang@analog.com>
664 * config/bfin/bfin.c (bfin_delegitimize_address): New.
665 (TARGET_DELEGITIMIZE_ADDRESS): Define.
667 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
669 * Makefile.in (CATALOGS): Add po/ prefix.
670 * configure: Regenerated.
672 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
675 * arm.c (arm_print_operand case 'S'): Validate that the operand is
676 a shift operand before calling shift_op. Avoid redundant call of
679 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
680 DJ Delorie <dj@redhat.com>
682 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
683 we're inserting is a singlt-bit constant.
685 2006-05-30 Roger Sayle <roger@eyesopen.com>
687 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
688 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
690 2006-05-30 Roger Sayle <roger@eyesopen.com>
692 PR tree-optimization/23452
693 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
694 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
695 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
696 complex values and with -ffast-math for FP complex values.
698 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
700 * c-common.h: Remove the prototype for yyparse.
701 * rtl.h: Remove the prototype for init_loop.
703 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
705 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
708 2006-05-30 Roger Sayle <roger@eyesopen.com>
710 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
712 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
713 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
715 2006-05-30 Dirk Mueller <dmueller@suse.de>
718 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
719 for CONSTANT_CLASS_P expresisons.
721 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
724 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
726 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
728 PR tree-optimization/27779
729 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
730 initial_condition instead of CHREC_LEFT.
732 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
734 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
735 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
736 Make prototypes ISO C90.
738 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
739 Leehod Baruch <leehod.baruch@weizmann.ac.il>
741 * see.c (see_analyze_one_def): Correct check.
742 (see_get_extension_data): Check if extension is parallel.
743 (see_get_extension_reg): Likewise.
745 2006-05-30 Uros Bizjak <uros@kss-loka.si>
748 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
749 into register for (code == GTU).
751 2006-05-29 Roger Sayle <roger@eyesopen.com>
753 PR tree-optimization/24964
754 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
755 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
756 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
757 abs(x)*abs(x) as x*x for scalar floating point modes.
759 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
762 * lambda-code.c (perfect_nestify): Don't copy statements
763 in the inner loop: move them to the inner loop header.
765 2006-05-29 Diego Novillo <dnovillo@redhat.com>
768 * c-tree.texi: Document OpenMP directives and clauses.
770 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
772 * varasm.c (globalize_decl): Fix indentation.
774 2006-05-29 Diego Novillo <dnovillo@redhat.com>
777 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
778 pass_fre, pass_store_ccp, pass_copy_prop,
779 pass_store_copy_prop, pass_merge_phi, pass_nrv,
780 pass_return_slot, pass_object_size, pass_lim,
781 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
782 pass_loop_prefetch and pass_stdarg.
784 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
786 * config/bfin/bfin.opt (mfdpic): New option.
787 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
788 (EXTRA_MULTILIB_PARTS): Likewise.
789 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
790 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
792 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
793 (CRT_CALL_STATIC_FUNCTION): New.
794 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
796 (CRT_CALL_STATIC_FUNCTION): New.
797 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
799 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
800 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
801 (initialize_trampoline): Changed to handle FD-PIC code generation.
802 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
803 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
804 (override_options): Disallow -mid-shared-library -mfdpic combination.
805 Can't do unaligned ops if FD-PIC.
806 Turn off flag_pic if trying to generate non-id-shared-library
807 non-fdpic code, since it's not supported.
808 (bfin_assemble_integer): New function.
809 (TARGET_ASM_INTEGER): Define.
810 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
812 * config/bfin/crtn.s: Restore them.
813 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
815 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
816 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
817 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
818 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
819 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
821 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
822 FDPIC_REGS and FDPIC_FPTR_REGS.
823 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
824 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
825 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
826 (load_funcdescsi): New pattern.
827 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
828 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
829 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
831 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
833 * gcse.c, rtlanal.c: Remove obsolete comments associated with
836 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
838 * tree-flow.h: Remove the prototype for add_type_alias.
839 * tree-ssa-alias.c (add_type_alias): Remove.
841 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
843 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
844 config/fr30/fr30.md, config/i386/i386-interix.h,
845 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
846 config/sh/superh64.h, config/v850/v850.c, df-core.c,
847 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
848 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
849 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
850 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
851 Follow spelling conventions.
852 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
853 Follow spelling conventions.
855 2006-05-27 Richard Guenther <rguenther@suse.de>
858 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
859 to produce a constant of value 1 of generic type.
861 2006-05-27 Dirk Mueller <dmueller@suse.de>
863 * cgraphunit.c (decide_is_function_needed): Fix wrong
866 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
868 PR rtl-optimization/27661
869 * reload.c (find_reloads): When reloading a VOIDmode constant
870 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
871 use Pmode as mode of the reload register.
873 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
875 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
876 is enabled at -O and above.
878 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
881 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
884 2006-05-25 Mark Mitchell <mark@codesourcery.com>
887 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
888 for anonymous variables explicitly declared by front ends.
890 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
892 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
893 (struct alias_info): Add new field ref_all_symbol_mem_tag.
894 * tree-ssa-alias.c (compute_may_aliases): If the program contains
895 ref-all pointers, run a finalization pass for them.
896 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
897 (finalize_ref_all_pointers): New function.
898 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
899 regular pointer type to a ref-all pointer type.
900 (get_tmt_for): Return the special memory tag for ref-all pointers.
902 2006-05-25 Richard Guenther <rguenther@suse.de>
905 * fold-const.c (fold_binary): Do not look at the stripped
906 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
908 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
910 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
911 for LT and GT if the computed range is effectively empty.
913 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
916 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
917 mips_quad_format formats instead of ieee_single_format,
918 ieee_double_format and ieee_quad_format formats, respectively.
920 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
922 PR tree-optimization/27639
923 PR tree-optimization/26719
924 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
925 call to scev_probably_wraps_p.
926 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
927 used_in_pointer_arithmetic_p, convert_step): Removed.
928 (nowrap_type_p): New function.
929 (scev_probably_wraps_p): Rewritten.
930 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
931 chrec_convert if chrec_convert_aggressive might have been used.
932 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
933 scev_direction): New functions.
934 (chrec_convert): Changed to a wrapper over chrec_convert_1.
935 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
936 instead of convert_step.
937 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
938 (convert_step): Declaration removed.
939 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
941 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
943 * df-core.c: Added to header comments.
944 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
945 df_ur_bb_info, df_urec_bb_info): Added comments.
946 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
947 urec, ri problems): Fixed header comments.
948 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
949 code from df_rd_transfer_function.
951 2006-05-23 Richard Sandiford <richard@codesourcery.com>
953 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
954 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
955 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
957 2006-05-23 Joseph Myers <joseph@codesourcery.com>
959 * expr.c (undefined_operand_subword_p): New.
960 (emit_move_multi_word): Do not generate move from undefined bits
961 of a paradoxical subreg.
963 2006-05-23 Richard Sandiford <richard@codesourcery.com>
965 PR rtl-optimization/27736
966 * combine.c (replaced_rhs_value): New variable.
967 (combine_instructions): Set it.
968 (distribute_notes): When distributing a note in replaced_rhs_insn,
969 check whether the value was used in replaced_rhs_value.
971 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
974 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
975 add_referenced_var instead of add_referenced_tmp_var.
976 * tree-complex.c (create_one_component_var): Use add_referenced_var.
977 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
979 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
980 tree_optimize_tail_calls_1): Use add_referenced_var.
981 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
982 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
983 Use add_referenced_var.
984 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
985 * gimplify.c (force_gimple_operand): Use add_referenced_var.
986 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
987 Use add_referenced_var.
988 * tree-dfa.c (struct walk_state): Remove.
989 (find_referenced_vars): Remove walk state and vars_found hash table.
990 (make_rename_temp): Use add_referenced_var.
991 (find_vars_r): Pass less parameters to add_referenced_var.
992 (referenced_var_p): New. Is var in referenced_var hash table.
993 (referenced_var_insert): Assert var isn't already in hash table.
994 (add_referenced_var): Don't need walk_state parameter. Add var if it
995 isn't already in the hash table.
996 (add_referenced_tmp_var): Remove.
997 (find_new_referenced_vars_1): Use add_referenced_var.
998 * tree-ssa-pre.c (create_expression_by_pieces,
999 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1000 Use add_referenced_var.
1001 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1002 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1003 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1005 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1006 vect_create_data_ref_ptr, vect_create_destination_var,
1007 vect_init_vector, vect_build_loop_niters,
1008 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1009 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1010 Use add_referenced_var.
1011 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1012 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1013 (add_referenced_var): Add prototype.
1014 * tree-ssa-structalias.c (get_constraint_for,
1015 intra_create_variable_infos): Use add_referenced_var.
1017 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1019 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1020 big-endian paradoxical subregs.
1021 * var-tracking.c (struct micro_operation_def): Document that,
1022 for modify micro operations, insn is the subsequent instruction.
1023 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1024 (var_reg_set, var_mem_set): ... new functions.
1025 (add_stores): Record subsequent insn.
1026 (compute_bb_dataflow): Use new functions for MO_USE.
1027 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1028 notes after the insn, and modify notes before the insn known
1029 to be the subsequent one.
1030 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1032 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1035 * config/i386/i386.c (ix86_expand_builtin): Use
1036 gen_sse3_monitor64 for TARGET_64BIT.
1038 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1040 PR rtl-optimization/26375
1041 PR rtl-optimization/26855
1042 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1044 (df_ru_bb_local_compute): Reversed statements and removed bogus
1045 comment explaining why they should be in wrong order.
1046 (df_ru_dump, df_rd_dump): Enhanced debug info.
1047 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1049 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1050 reaching uses and fixed space problem.
1052 2006-05-23 Jan Hubicka <jh@suse.cz>
1054 * cgraphunit.c (decide_is_function_needed): Also nested functions
1055 and functions declared inline can be optimized out at -O0.
1057 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1059 * doc/install.texi (Configuration): Remove reference to CrossGCC
1060 FAQ which was hijacked.
1063 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1066 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1067 ix86_compare_emitted is non-NULL.
1069 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1072 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1075 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1077 PR rtl-optimization/25514
1078 * combine.c (replaced_rhs_insn): New variable.
1079 (combine_instructions): Set replaced_rhs_insn when trying to replace
1080 a SET_SRC with a REG_EQUAL note.
1081 (distribute_notes): Use replaced_rhs_insn when determining the live
1082 range of a REG_DEAD register.
1084 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1085 Anatoly Sokolov <aesok@post.ru>
1087 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1088 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1089 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1090 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1091 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1092 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1093 at90usb647, at90usb1286 and at90usb1287 devices.
1094 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1095 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1097 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1099 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1101 2006-05-22 Richard Guenther <rguenther@suse.de>
1104 2006-01-31 Richard Guenther <rguenther@suse.de>
1105 Paolo Bonzini <bonzini@gnu.org>
1107 * doc/install.texi (--disable-libgcc-math): Document.
1109 2006-05-22 Richard Guenther <rguenther@suse.de>
1112 2006-01-31 Richard Guenther <rguenther@suse.de>
1114 * doc/invoke.texi (-msselibm): Document.
1115 * target.h (expand_library_builtin): New target hook.
1116 * builtins.c (expand_builtin): Use expand_library_builtin.
1117 (default_expand_library_builtin): New function.
1118 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1119 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1120 (link_gcc_math_spec): Declare.
1121 (static_specs): Add link_gcc_math_spec.
1122 * expr.h (default_expand_library_builtin): Declare.
1123 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1124 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1125 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1126 * config/i386/i386.opt (msselibm): New target option.
1127 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1128 (ix86_init_sse_abi_builtins): New function.
1129 (ix86_expand_library_builtin): Likewise.
1130 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1131 (override_options): Handle error conditions wrt -msselibm.
1132 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1133 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1134 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1137 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1140 * c-common.c (self_promoting_args_p): Skip erroneous args.
1143 * c-decl.c (finish_struct): Skip erroneous fields.
1145 2006-05-22 Nick Clifton <nickc@redhat.com>
1147 * config/cris/cris.opt (march): Remove VarExists attribute.
1148 (max-stackframe=): Likewise.
1150 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1152 * doc/rtl.texi: Fix a typo.
1153 * see.c: Fix comment typos.
1155 * tree-ssa-structalias.h (alias_info): Remove num_references.
1157 2006-05-21 Mike Stump <mrs@apple.com>
1159 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1161 (darwin_pragma_options): Use BAD instead.
1162 (darwin_pragma_unused): Likewise.
1163 (darwin_pragma_ms_struct): Likewise.
1165 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1167 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1169 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1171 PR rtl-optimization/27671
1172 * simplify-rtx.c (simplify_relational_operation_1): Fix
1173 simplifications of (eq/ne (xor x y) y) and
1174 (eq/ne (xor x y) x).
1176 PR tree-optimization/26622.
1177 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1180 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1182 * tree-cfg.c: Prune whitespace.
1183 (debug_tree_cfg): Point to correct header containing the
1186 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1189 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1191 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1194 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1195 or sorry count is non zero.
1197 2006-05-20 Andreas Schwab <schwab@suse.de>
1199 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1201 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1202 Kenneth Zadeck <zadeck@naturalbridge.com>
1204 PR rtl-optimization/26855
1206 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1208 (df_scan_alloc): Added code to properly handle multiword hard
1209 registers and add all_blocks parameter.
1210 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1211 code to properly handle multiword hard registers.
1212 (df_rescan_blocks): Added code to remove deleted blocks from
1214 (df_ref_create_structure, df_ref_record): Added code to properly
1216 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1217 and set DF_REF_PARTIAL.
1218 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1219 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1220 (df_scan_add_problem): Added flags parameter.
1221 (df_ref_create_structure): Changed switching structure.
1222 (df_bb_refs_record): Fixed case where duplicate artificial refs
1223 were created. Changed location of flags.
1224 (df_record_entry_block_defs): Added code to make stack pointer
1225 live in entry block. Refined cases where frame pointer is needed.
1226 Changed location of flags.
1227 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1228 (df_set_state): Removed function.
1229 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1230 df_insn_create_insn_record, df_insn_refs_delete,
1231 df_ref_create_structure): Formatting changes.
1232 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1233 df_delete_basic_block): New function.
1234 (df_init): Changed location of flags.
1235 (df_add_problem): Added flags parameter and the way flags are
1237 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1238 debug_df_chain): Improved debugging output.
1239 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1240 (df_refs_chain_dump): Removed df parameter.
1241 (df_iterative_dataflow): Added consistency check.
1242 (df_prune_to_subcfg): Made public.
1243 (df_analyze_problem): Added blocks_to_init parameter and made
1245 (df_ref_record, df_bb_refs_record, df_mark_reg,
1246 df_record_exit_block_uses): Whitespace changes.
1247 (df_dump): Whitespace changes.
1248 * df.h: Some reordering to remove forward references.
1249 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1250 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1251 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1252 (dataflow.flags): New field.
1253 (df.flag): Deleted field.
1254 (df_alloc_function): Added additional bitmap parameter.
1255 (df_dependent_problem_function): New type.
1256 (df_problem.changeable_flags): New field.
1257 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1258 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1259 (df_mw_hardreg): New struct.
1260 (DF_INSN_UID_MWS): New macro.
1261 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1263 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1264 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1265 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1266 (df_set_state): Removed function.
1267 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1268 * df-problems.c (df_chain_dump): Removed df parameter.
1269 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1270 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1272 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1273 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1274 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1275 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1276 DF_REF_MUST_CLOBBER cases.
1277 (df_ru_bb_local_compute_process_def,
1278 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1279 df_lr_bb_local_compute, df_ur_bb_local_compute,
1280 df_chain_create_bb): Made subreg aware.
1281 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1282 df_lr_bb_local_compute, df_lr_bb_local_compute,
1283 df_chain_create_bb): Cleanup to use proper macros.
1284 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1285 code to fixup bitvectors.
1286 (df_ri_alloc): Cleared lifetime.
1287 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1288 df_create_unused_note): New function.
1289 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1290 REG_DEAD and REG_UNUSED notes as well as register information.
1291 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1292 df_chains_dump): Fixed crash if problem was never run.
1293 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1294 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1295 df_ri_add_problem): Processes flags in uniform manner.
1296 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1297 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1298 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1299 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1300 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1301 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1302 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1303 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1304 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1305 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1306 * see.c (see_initialize_data): Ditto.
1307 * final.c (rest_of_clean_state) Added regstack_completed.
1308 * rtl.h (regstack_completed): Ditto.
1309 * reg-stack.c (regstack_completed): Ditto.
1311 2006-05-19 Mike Stump <mrs@apple.com>
1313 * c-tree.h (default_conversion): Remove.
1314 * c-common.h (default_conversion): Add.
1316 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1318 * tree-vrp.c (valid_value_p): New function.
1319 (adjust_range_with_scev): Fail if the value of bound is not
1322 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1324 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1325 (mips_fallback_frame_state): Use syscall numbers to determine
1326 the appropriate li instruction for the current ABI. Only use
1327 __NR_sigreturn for o32.
1329 2006-05-19 Nicolas Setton <setton@adacore.com>
1331 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1332 * langhooks.c (lhd_dwarf_name): New function.
1333 * langhooks-def.h (lhd_dwarf_name): Declare.
1334 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1335 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1336 * ada/misc.c (gnat_dwarf_name): New function.
1337 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1339 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1341 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1343 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1344 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1345 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1346 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1347 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1348 determine the size of Wtype, etc.
1349 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1350 (swfloatfuncs): New variable.
1351 (dwfloatfuncs): Likewise.
1352 (lib2funcs): Remove floating-point conversion functions from
1353 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1354 the set of conversion routines needed. Allow entries to specify
1355 an object name, filename and word size. Update users accordingly.
1356 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1357 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1361 2006-02-08 Roger Sayle <roger@eyesopen.com>
1364 * config/fixtfdi.c: New libgcc source file.
1365 * config/fixunstfdi.c: New source file.
1366 * config/floatditf.c: New source file.
1367 * config/floatunditf.c: New souce file.
1368 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1369 files above instead of config/mips/_tilib.c.
1370 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1372 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1374 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1375 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1377 2006-05-18 Mike Stump <mrs@apple.com>
1379 Fix up vla, vm and [*] sematics.
1385 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1386 (c_vla_unspec_p): Add.
1387 (c_vla_type_p): Add.
1388 * c-decl.c (struct c_scope): Add had_vla_unspec.
1389 (build_array_declarator): Add support for [*].
1390 (grokdeclarator): Likewise.
1391 (grokparms): Likewise.
1392 (get_parm_info): Likewise.
1393 * c-objc-common.c (c_vla_unspec_p): Likewise.
1394 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1395 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1396 typeof when argument is a variably modified type not inside sizeof or alignof.
1397 (c_parser_direct_declarator_inner): Propagate errors.
1398 (c_parser_sizeof_expression): Add support for [*].
1399 (c_parser_parms_declarator): Initialize had_vla_unspec.
1400 (c_parser_parms_list_declarator): Likewise.
1401 * c-typeck.c (c_vla_type_p): Add.
1402 (composite_type): Add support for vla compositing.
1403 (comptypes_internal): Add support for vla compatibility.
1404 (c_expr_sizeof_expr): Evaluate vla arguments.
1405 * tree.c (variably_modified_type_p): Update comment for [*].
1407 2006-05-18 Michael Matz <matz@suse.de>
1410 * config.host: Make assignments to host_xmake_file cumulative.
1411 * config.host (*-darwin*): Test $host, not $target.
1413 2006-05-12 Stuart Hastings <stuart@apple.com>
1415 * config/i386/i386.opt (-mstackrealign): New flag.
1416 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1417 (ix86_handle_cconv_attribute): Emit error when
1418 force_align_arg_pointer attribute collides with too many regparms.
1419 (ix86_function_regparm): Limit regparms when used with
1420 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1421 Support stack-realigning prologue in non-main functions. Emit
1422 warning for nested functions under -mstackrealign, emit error for
1423 nested functions with force_align_arg_pointer attribute.
1424 * doc/extend.texi (force_align_arg_pointer): Document it.
1425 * doc/invoke.texi (-mstackrealign): Document it.
1427 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1429 PR rtl-optimization/27477
1430 * combine.c (try_combine): Don't split a parallel consisting
1431 of two sets into two individual sets if both sets reference
1434 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1436 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1437 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1439 * doc/options.texi (VarExists): Updated.
1441 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1443 * unwind-dw2.c: Add declarations for uw_update_context and
1445 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1446 detected, advance frame state and context once to skip over stub.
1448 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1452 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1453 Call rewrite_into_loop_closed_ssa only when something changed.
1454 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1455 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1456 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1457 Test for perfect_nest_p here. Fix formating.
1458 (replace_uses_equiv_to_x_with_y): Fix formating.
1459 (stmt_uses_op): Removed.
1460 (can_convert_to_perfect_nest): Removed loopivs parameter.
1461 Complete the test by checking the scalar dependences.
1462 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1465 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1468 From Dan Kegel <dank@kegel.com>:
1469 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1471 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1473 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1474 if the element type is variably modified without recursing.
1476 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1479 * tree-loop-linear.c (try_interchange_loops): Test for
1480 no data dependences.
1482 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1484 PR tree-optimization/27548
1485 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1486 range of ssa names that appear on abnormal edges.
1487 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1488 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1490 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1493 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1495 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1498 * tree.h (OMP_PARALLEL_COMBINED): Define.
1499 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1500 (new_omp_context): Add is_combined_parallel argument.
1501 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1502 new_omp_context caller.
1503 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1504 Adjust gimplify_scan_omp_clauses callers.
1505 (omp_is_private): Issue errors if iteration variable is firstprivate
1506 or reduction in the current context.
1507 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1508 on combined parallel workshare constructs.
1510 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1512 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1513 (gcc-options.o): New rule.
1515 * optc-gen.awk: Protect variables for gcc-options.o with
1516 #ifdef GCC_DRIVER/#endif.
1518 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1520 Fix PR tree-optimization/27373
1521 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1522 (forward_propagate_addr_expr): Update call.
1524 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1526 * doc/options.texi: Move the Negative option.
1528 2006-05-16 Richard Guenther <rguenther@suse.de>
1530 PR tree-optimization/22303
1531 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1533 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1534 ccp_fold did not simplify the statement.
1536 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1539 * Makefile.in (GCC_OBJS): New.
1540 (OBJS-common): Add opts-common.o.
1541 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1542 (cpp$(exeext)): Likewise.
1543 (gcc.o): Also depend on opts.h.
1544 (opts-common.o): New.
1546 * common.opt (gcoff): Add Negative(gdwarf-2).
1547 (gdwarf-2): Add Negative(gstabs).
1548 (gstabs): Add Negative(gstabs+).
1549 (gstabs+): Add Negative(gvms).
1550 (gvms): Add Negative(gxcoff).
1551 (gxcoff): Add Negative(gxcoff+).
1552 (gxcoff+): Add Negative(gcoff).
1553 * config/i386/i386.opt (m32): Add Negative(m64).
1554 (m64): Add Negative(m32).
1556 * doc/options.texi: Document the Negative option.
1558 * gcc.c: Include "opts.h".
1559 (main): Call prune_options after expandargv.
1561 * optc-gen.awk: Generate common declarations for all flag
1562 variables in options.c. Output the neg_index field.
1564 * opts.c (find_opt): Moved to ...
1565 * opts-common.c: Here. New file.
1567 * opts.h (cl_option): Add a neg_index field.
1569 (prune_options): Likewise.
1571 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1574 * omp-low.c (expand_omp_parallel): Don't assert
1575 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1576 instead search for it.
1579 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1582 2006-05-16 Andreas Schwab <schwab@suse.de>
1584 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1587 2006-05-15 Roger Sayle <roger@eyesopen.com>
1590 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1591 integer constants other than zero are only legitimate on TARGET_64BIT.
1592 <CONST_VECTOR> Only zero vectors are legitimate.
1593 (ix86_cannot_force_const_mem): Integral and vector constants can
1594 always be put in the constant pool.
1596 2006-05-16 DJ Delorie <dj@redhat.com>
1598 * crtstuff.c (__dso_handle): Set section from
1599 TARGET_LBIGCC_SDATA_SECTION if defined.
1600 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1601 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1603 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1606 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1609 2006-05-16 Ben Elliston <bje@au.ibm.com>
1611 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1613 2006-05-15 Per Bothner <per@bothner.com>
1615 * tree.c: (last_annotated_node): Use source_locus typedef.
1616 This permits bootstrapping with --enable-mapped-location.
1618 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1620 PR tree-optimization/26830
1621 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1622 (info_for_ssa_name, current_info_for_ssa_name_age,
1623 blocks_to_update): New variables.
1624 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1625 (clear_ssa_name_info, initialize_flags_in_bb,
1626 mark_block_for_update): New functions.
1627 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1628 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1629 prepare_def_site_for): Use mark_block_for_update.
1630 (mark_def_interesting): Assert that the processed block is marked in
1631 blocks_to_update. Do not take blocks argument.
1632 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1634 (rewrite_update_init_block, rewrite_update_stmt): Only process
1635 blocks with statements to rewrite.
1636 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1637 (update_ssa): Initialize and free blocks_to_update. Do not
1638 clear flags on statements. Do not use blocks bitmap.
1639 * tree.h (SSA_NAME_AUX): Removed.
1640 (struct tree_ssa_name): Removed aux field.
1641 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1643 2006-05-15 Richard Guenther <rguenther@suse.de>
1645 PR tree-optimization/27603
1646 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1647 Do computations in original type.
1649 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1651 * see.c: Code style changes such as redundant paranthesis,
1652 redundant intialization of local variables etc.
1653 (see_main): Declared now as static.
1654 * doc/invoke.texi: Update that -fsee is not enabled by
1657 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1659 * omp-low.c (check_omp_nesting_restrictions): New function.
1660 (scan_omp_1): Call it.
1663 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1664 construct, return *VAR.
1666 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1668 PR rtl-optimization/27406
1669 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1672 2006-05-14 Roger Sayle <roger@eyesopen.com>
1674 PR rtl-optimization/27538
1675 * combine.c (expand_compound_operation): Call gen_lowpart
1676 before calling simplify_shift_const.
1678 2006-05-14 Roger Sayle <roger@eyesopen.com>
1680 PR rtl-optimization/22563
1681 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1682 a fixed width bitfield, always force the intermediates into psuedos.
1684 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1687 * mkconfig.sh: Use operator = instead of == for test.
1689 2006-05-13 Nick Clifton <nickc@redhat.com>
1691 * dwarf2out.c (dbx_reg_number): Check return value from
1692 LEAF_REG_REMAP and only use it if it is valid.
1693 (multiple_reg_loc_descriptor): Likewise.
1695 2006-05-13 Richard Guenther <rguenther@suse.de>
1697 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1700 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1702 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1703 information attached to non-INSNs such as NOTEs.
1704 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1706 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1708 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1710 * config/s390/s390.md: Adjust comment describing On constraint.
1712 2006-05-11 Jan Hubicka <jh@suse.cz>
1714 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1715 to be output at -O0.
1717 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1720 * fold-const.c (size_binop): Move sanity check for arguments to
1721 the beginning of the function.
1724 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1727 2006-05-11 Richard Guenther <rguenther@suse.de>
1730 * fold-const.c (fold_unary): Handle intermediate conversion
1731 to a pointer type like intermediate conversion to an integer
1732 type in folding of (T1)(T2)var to var.
1733 Match the code to the comment in the final conversion for
1734 (T1)(T2)var to (T1)var regarding to type precision. Rather
1735 than disallow T1 being of pointer type, assert that both T1
1736 and var are of pointer type or not. Make sure not to fall
1737 over the frontends lazyness wrt array to pointer decay though.
1739 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1741 * arm.c (arm_struct_value_rtx): Delete.
1742 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1743 (arm_init_cumulative_args): Always initialize nregs to zero.
1745 2006-05-10 Richard Guenther <rguenther@suse.de>
1747 PR tree-optimization/27532
1748 * tree-object-size.c (plus_expr_object_size): Fix typo.
1750 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1753 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1754 ashrdi_const, ashrdi3): Use a scratch register.
1756 2006-05-10 Richard Guenther <rguenther@suse.de>
1758 PR tree-optimization/27302
1759 * fold-const.c (operand_equal_p): For two comparisons,
1760 try comparison of one comparison code swapped if that yields
1763 2006-05-10 Ben Elliston <bje@au.ibm.com>
1765 * tree-pretty-print.c (pretty_print_string): No need to handle
1766 '\0' as a special character.
1768 * tree.h: Include "hashtab.h".
1769 (iterative_hash_expr): Use hashval_t in its prototype.
1770 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1772 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1775 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1776 (hppa*64*-*-hpux11*): Ditto.
1777 (hppa[12]*-*-hpux11*): Ditto.
1779 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1782 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1784 2006-05-09 Michael Matz <matz@suse.de>
1786 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1787 host_extra_gcc_objs and host_xmake_file.
1788 (<*-*-linux*>): Don't overwrite host_xmake_file.
1789 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1790 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1791 (host_detect_local_cpu): Declare.
1792 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1793 * config/i386/i386.c (override_options): Handle -mtune=native
1795 * config/i386/x-i386: New file.
1796 * config/i386/driver-i386.c: New file.
1797 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1800 2006-05-09 Dirk Mueller <dmueller@suse.de>
1801 Richard Guenther <rguenther@suse.de>
1804 * fold-const.c (fold_read_from_constant_string): Relax check
1805 for matching types to matching modes.
1807 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1809 PR rtl-optimization/27335
1810 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1813 2006-05-08 Chao-ying Fu <fu@mips.com>
1814 Richard Sandiford <richard@codesourcery.com>
1816 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1817 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1818 * config/mips/mips.md (UNSPEC_SCC): New constant.
1819 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1820 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1821 (mips_emit_compare): Use it.
1822 (mips_expand_vcondv2sf): New function.
1824 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1826 Fix PR tree-optimization/27093
1827 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1828 renaming when they become not-used_alone.
1830 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1832 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1833 relocation and relocation stubs.
1835 2006-05-08 Eric Christopher <echristo@apple.com>
1837 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1840 2006-05-08 Jan Hubicka <jh@suse.cz>
1843 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1844 unused static functions are needed.
1846 2006-05-08 Roger Sayle <roger@eyesopen.com>
1849 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1850 of a reg_equiv_constant if the result is a legitimate constant.
1852 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1855 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1856 standard 80387 constants, raise the cost to prevent
1857 compress_float_constant() to generate load from memory.
1859 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1861 * config/arm/constraints.md (c): Fix a typo.
1863 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1866 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1869 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1871 (_mm_mwait): Likewise.
1873 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1875 (sse3_monitor): Make it 32bit only.
1876 (sse3_monitor64): New. 64bit monitor.
1878 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1881 * config/i386/i386.c (classify_argument): Skip fields with invalid
1884 2006-05-07 Richard Guenther <rguenther@suse.de>
1886 PR tree-optimization/27409
1887 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1888 Do not try to find zero-sized subvars.
1890 2006-05-07 Richard Guenther <rguenther@suse.de>
1892 PR tree-optimization/27136
1893 * tree-ssa-loop-niter.c (get_val_for): Correct function
1894 comment, assert requirements.
1895 (loop_niter_by_eval): Stop processing if the iterated
1896 value did not simplify.
1898 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1900 * opts.c (flag_see): remove its setting at -O3.
1902 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1904 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1905 * arm/constraints.md: New file.
1906 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1907 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1908 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1909 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1910 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1911 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1912 * arm.md: Include constraints.md.
1913 (thumb_movsi_insn): Use satisfies_constraint_J.
1914 (movhi, movqi): Use satisfies_constraint_I.
1916 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1918 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1919 for atmeg a645 device.
1921 2006-05-06 Richard Guenther <rguenther@suse.de>
1923 PR tree-optimization/27151
1924 * tree-vect-transform.c (vectorizable_condition): Punt on
1925 values that have a different type than the condition.
1927 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1930 * c-parser.c (c_parser_cast_expression): Only insert casts into
1931 hash table if pointer.
1932 * function.c (used_types_insert_helper): Rename from
1934 (used_types_insert): Call used_types_insert_helper.
1935 * function.h (used_types_insert): Accept only one argument.
1937 2006-05-05 David Edelsohn <edesohn@gnu.org>
1939 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1940 scratch with output modifier.
1942 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1945 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1946 with output modifier.
1948 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1951 * config/mips/mips.c (mips_symbolic_address_p): Return true
1952 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1953 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1955 2006-05-04 Richard Guenther <rguenther@suse.de>
1957 PR tree-optimization/14287
1958 PR tree-optimization/14844
1959 PR tree-optimization/19792
1960 PR tree-optimization/21608
1961 PR tree-optimization/27090
1962 * tree-ssa-pre.c (try_combine_conversion): New function.
1963 (compute_avail): After constructing the value-handle
1964 expression, use try_combine_conversion to combine NOP_EXPRs
1965 with previous value-handle expressions and use the result if it
1968 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1970 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1972 2006-05-04 Jan Hubicka <jh@suse.cz>
1975 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1977 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1979 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1980 that this only matches CONST_INTs. All users changed to VOIDmode
1983 * config/bfin/bfin.c: Include "optabs.h".
1984 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1986 (enum bfin_builtins): Add a number of fractional and vector builtins.
1987 (bfin_init_builtins): Likewise.
1988 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1989 (safe_vector_operand, bfin_expand_binop_builtin,
1990 bfin_expand_unop_builtin): New functions.
1991 (bfin_expand_builtin): Handle the new builtins.
1992 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1995 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1998 * Makefile.in (OBJS-common): Add see.o.
1999 (see.o): Add dependencies.
2000 * common.opt (fsee): New flag for the see optimization was added.
2001 * opts.c (flag_see): Initialized.
2002 * passes.c (init_optimization_passes, pass_see): New pass.
2003 * rtl.h (see_main): Declaration as extern.
2004 * timevar.def (TV_SEE): New.
2005 * tree-pass.h (pass_see): Declaration as extern.
2006 * invoke.texi (-fsee): Document.
2007 * recog.c (validate_simplify_insn): New function.
2008 * recog.h (validate_simplify_insn): Declaration as extern.
2009 * df-problems.c (df_chain_dump): Check for NULL.
2011 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2012 Daniel Berlin <dberlin@dberlin.org>
2014 * cfgrtl.c (insert_insn_bb_end_new): New function.
2015 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2017 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2019 * df.h (struct web_entry): Moved from web.c.
2020 (union_defs): Declaration as extern.
2021 (unionfind_root): Likewise.
2022 (unionfind_union): Likewise.
2023 * web.c (struct web_entry): Moved to df.h.
2024 (unionfind_root): Remove static declaration.
2025 (unionfind_union): Likewise.
2026 (union_defs): Likewise and generalize to use callback function.
2027 (web_main): Update arguments for union_defs function call.
2029 2006-05-04 Richard Guenther <rguenther@suse.de>
2031 PR tree-optimization/26447
2032 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2033 produce SSA_NAME copies before the store stmt to avoid
2034 breaking exception handling.
2036 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2039 * gimplify.c (omp_is_private): If var is shared in some outer context,
2040 return false instead of true. Stop searching on parallel context
2043 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2046 * coverage.c: Use get_gcov_unsigned_t() instead of
2047 unsigned_type_node all over.
2049 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2051 PR tree-optimization/27381
2052 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2053 maintain the same immediate_use links.
2054 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2055 node rather than segfaulting.
2057 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2060 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2061 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2062 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2064 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2066 Fix PR tree-optimization/26626
2067 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2069 * tree-ssa-operands.c (access_can_touch_variable): Allow
2070 typecasting through union pointers.
2072 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2075 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2076 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2077 to find if var will be a global variable even in the nested context.
2078 (omp_copy_decl): Only check for global variable at the end, it might
2079 be overridden in outer contexts.
2080 (scan_sharing_clauses): For global variables don't create a field.
2081 (lower_rec_input_clauses): Do nothing for global shared variables.
2082 Emit a barrier at the end of ILIST if there were any decls in both
2083 firstprivate and lastprivate clauses.
2084 (lower_send_clauses): Do nothing for global variables except for
2087 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2089 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2090 of the correct signedness is returned.
2092 2006-05-02 Jeff Law <law@redhat.com>
2094 PR tree-optimization/27364
2095 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2096 multiply expressions.
2098 2006-05-02 Tom Tromey <tromey@redhat.com>
2100 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2102 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2105 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2106 -mthumb -fPIC are used.
2108 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2109 Joshua Kinard <kumba@gentoo.org>
2112 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2113 with 64-bit pointers.
2115 2006-05-02 Paul Brook <paul@codesourcery.com>
2117 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2119 (create_fix_barrier): Check that a suitable barrier location is
2121 (arm_reorg): Include ftmp->address in allowable range of addresses.
2123 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2126 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2129 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2132 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2133 around RESULT_DECL for result passed by reference.
2134 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2135 * omp-low.c (use_pointer_for_field): Don't look at
2136 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2137 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2138 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2139 time or var for passing by reference for
2140 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2141 TREE_ADDRESSABLE variables when passing by reference.
2143 * omp-low.c (dump_omp_region): Fix output formatting.
2146 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2147 (expand_omp_parallel): Likewise.
2148 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2151 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2152 on statement list containing also constructors and destructors.
2153 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2156 * except.c (duplicate_eh_regions): Fix clearing of
2157 cfun->eh->region_array entries.
2159 2006-05-01 DJ Delorie <dj@redhat.com>
2161 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2163 (gcc_cv_objdump): Likewise.
2164 * configure: Regenerated.
2166 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2169 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2170 templates for case 3 and 4.
2172 2006-05-01 DJ Delorie <dj@redhat.com>
2174 * vec.c: Include bconfig.h when appropriate.
2175 * Makefile.in (build/vec.o): Adjust dependencies.
2176 * mkconfig.sh: Make sure config.h isn't used for build machine
2179 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2181 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2183 (mark_phi_for_rewrite): New function.
2184 (insert_phi_nodes_for, mark_use_interesting): Call
2185 mark_phi_for_rewrite.
2186 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2187 (update_ssa): Initialize and free phis_to_rewrite.
2189 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2191 PR rtl-optimization/27291
2192 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2193 folded to a constant.
2195 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2197 PR tree-optimization/27283
2198 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2199 not whole # of iteration descriptions.
2200 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2201 uses abnormal ssa name.
2202 (niter_for_single_dom_exit): Ditto.
2203 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2204 return just the number of iterations.
2206 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2208 PR tree-optimization/27144
2209 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2210 (record_estimate): Only record constant upper bound.
2211 (infer_loop_bounds_from_undefined): Call
2212 compute_estimated_nb_iterations just once.
2213 (proved_non_wrapping_p): Renamed to ...
2214 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2215 (convert_step_widening, scev_probably_wraps_p): Call
2216 n_of_executions_at_most instead of proved_non_wrapping_p.
2217 (substitute_in_loop_info): Do not replace values in bounds.
2218 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2221 2006-05-01 Richard Henderson <rth@redhat.com>
2224 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2225 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2228 2006-05-01 Roger Sayle <roger@eyesopen.com>
2230 * c-typeck.c (parser_build_binary_op): Don't call the function
2231 unsigned_conversion_warning to spot operand/result type overflow.
2232 (build_binary_op): Instead, call convert_and_check instead of
2233 convert to report the problem when the operands are promoted.
2234 * c-common.c (unsigned_conversion_warning): Make static.
2235 * c-common.h (unsigned_conversion_warning): Delete prototype.
2237 2006-05-01 Richard Guenther <rguenther@suse.de>
2239 PR tree-optimization/26726
2240 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2242 (find_interesting_uses_address): ... we work around here
2243 by folding INDIRECT_REFs in the substituted base.
2245 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2247 * omp-low.c (dump_omp_region): Add newlines.
2249 2006-04-30 Roger Sayle <roger@eyesopen.com>
2251 * common.opt (Woverflow): New command line option.
2252 * c-common.c (constant_expression_warning): Check warn_overflow.
2253 (overflow_waring): Pass OPT_Woverflow to warning.
2254 (unsigned_conversion_warning): Likewise.
2255 (convert_and_check): Likewise.
2256 * doc/invoke.texi: Document new command line option.
2258 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2260 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2261 TARGET_NO_FP_IN_TOC for section anchors.
2262 (optimization_options): Enable section anchors for all
2263 non-"Objective" languages.
2265 2006-04-28 Eric Christopher <echristo@apple.com>
2267 * config/darwin-c.c (darwin_ms_struct): Move this
2268 (darwin_set_default_type_attributes): and this...
2269 * config/darwin.c: ... here.
2270 * config/darwin.h (darwin_ms_struct): Declare.
2272 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2274 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2276 2006-04-28 Roger Sayle <roger@eyesopen.com>
2279 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2280 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2281 an unsigned HOST_WIDE_INT.
2282 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2284 (really_start_incremental_init): No need to call convert because
2285 bitsize_zero_node is already of type bitsizetype.
2286 (push_init_level): Extract the value of constructor_index as an
2287 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2288 (process_init_element): Likewise.
2290 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2292 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2293 value before passing to make_relative_prefix.
2295 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2298 * builtins.c (expand_builtin_memset): Expand val in original mode.
2300 2006-04-27 Eric Christopher <echristo@apple.com>
2302 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2303 with #ifndef/#endif.
2304 * config/darwin-c.c (darwin_ms_struct): New.
2305 (darwin_pragma_ms_struct): Ditto.
2306 (darwin_set_default_type_attributes): Ditto.
2307 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2308 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2309 Register ms_struct pragma.
2310 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2311 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2312 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2313 darwin_set_default_type_attributes if TARGET_MACHO.
2315 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2317 PR tree-optimization/26854
2318 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2319 * doc/tree-ssa.texi: Update immuse iterator documentation.
2320 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2321 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2322 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2323 first_safe_imm_use, next_safe_imm_use): Remove.
2324 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2325 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2326 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2327 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2328 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2329 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2330 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2331 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2332 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2333 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2334 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2335 (perfect_nestify): Use new iterator.
2336 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2338 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2339 (next_imm_name): New field in struct immediate_use_iterator_d.
2340 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2341 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2342 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2343 * tree-cfg.c (replace_uses_by): Use new iterator.
2344 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2345 * tree-ssa-operands.c (correct_use_link): Remove.
2346 (finalize_ssa_use_ops): No longer call correct_use_link.
2348 2006-04-27 Stuart Hastings <stuart@apple.com>
2350 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2351 * config/t-darwin (crt3.o): Use it.
2352 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2353 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2354 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2355 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2356 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2359 2006-04-27 Roger Sayle <roger@eyesopen.com>
2361 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2362 size, force the intermediate into a new pseudo rather instead of
2363 performing both a bitwise AND and a bitwise IOR in memory.
2365 2006-04-27 Richard Guenther <rguenther@suse.de>
2367 PR rtl-optimization/26685
2368 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2369 this one "max-flow-memory-locations".
2371 2006-04-27 Richard Guenther <rguenther@suse.de>
2373 PR tree-optimization/25148
2374 * tree-vrp.c (compare_values): Remove code dealing with
2375 comparisons against type min/max value. Honour overflow
2376 and negative constants in code dealing with comparisons
2377 of plus and minus expressions.
2378 (value_inside_range): Use fold_binary with LE_EXPR and
2379 GE_EXPR rather than compare_values.
2381 2006-04-27 Dirk Mueller <dmueller@suse.de>
2383 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2386 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2388 * basic-block.h (safe_insert_insn_on_edge): Removed.
2389 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2391 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2392 Paolo Bonzini <bonzini@gnu.org>
2395 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2396 (simplify_and_const_int): Same.
2398 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2400 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2402 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2405 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2406 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2407 cgraph_global_info_ready.
2410 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2413 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2414 either decl or init is error_mark_node.
2417 * tree-flow.h (struct omp_region): Add sched_kind.
2418 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2419 instead of extracting omp for data.
2420 (expand_omp_for): Save extracted sched_kind.
2422 2006-04-25 Roger Sayle <roger@eyesopen.com>
2424 * expmed.c (store_bit_field): Also check whether the bitsize is
2425 valid for the machine's "insv" instruction before moving the
2426 target into a pseudo for use with the insv.
2427 * config/i386/predicates.md (const8_operand): New predicate.
2428 * config/i386/i386.md (extv, extzv, insv): Use the new
2429 const8_operand predicate where appropriate.
2431 2006-04-25 DJ Delorie <dj@redhat.com>
2433 * doc/install.texi (Specific): Clarify that this is not a list of
2434 supported hosts or targets.
2436 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2438 PR rtl-optimization/26725
2439 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2440 block's BB_DIRTY flag.
2442 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2444 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2447 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2448 to print an integer.
2450 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2452 * varasm.c (align_variable): New function.
2453 (get_block_for_decl): Apply align_variable to DECL before
2454 calculating section information.
2455 (assemble_variable): Split out alignment computation.
2457 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2459 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2462 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2464 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2465 MODE_PARTIAL_INT mode.
2466 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2467 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2469 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2470 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2472 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2474 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2476 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2477 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2478 MACFLAG_IH): Likewise.
2479 (movstricthi_1): Renamed from "*movstricthi".
2480 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2481 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2482 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2483 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2484 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2485 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2486 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2487 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2488 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2489 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2490 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2491 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2492 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2493 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2494 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2496 * doc/rtl.texi (ss_ashift): Improve wording.
2498 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2500 * dwarf2out.c (verify_marks_clear): New.
2501 (prune_unused_types): Call verify_marks_clear initially, not
2504 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2506 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2507 * doc/rtl.texi: Document them.
2508 * simplify-rtx.c (simplify_unary_operation,
2509 simplify_binary_operation_1): Don't abort when we see them.
2511 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2514 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2515 * configure.ac: Completely disregard languages that are not
2517 * configure: Regenerated.
2519 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2520 Richard Guenther <rguenther@suse.de>
2522 PR tree-optimization/27236
2523 * tree-inline.c (copy_body_r): Make sure to copy
2524 TREE_THIS_VOLATILE flag.
2526 2006-04-24 Richard Guenther <rguenther@suse.de>
2529 * tree-complex.c (update_parameter_components): Don't handle
2530 unused parameters which have no default def.
2532 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2533 Richard Guenther <rguenther@suse.de>
2535 PR tree-optimization/27218
2536 * tree-inline.c (expand_call_inline): Strip useless type
2537 conversions for the return slot address.
2539 2006-04-24 Richard Guenther <rguenther@suse.de>
2541 * cfgloop.h (struct loops): Remove unused field array. Reorder
2543 (LOOP_PREFETCH): Remove.
2545 2006-04-24 Richard Guenther <rguenther@suse.de>
2547 PR tree-optimization/22525
2548 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2549 variable, adjust types of generated expressions.
2551 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2553 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2554 (tree-vect-patterns.o): Likewise.
2556 (cselib.o): Likewise.
2557 (loop-doloop.o): Likewise.
2558 (regclass.o): Likewise.
2559 (reload1.o): Likewise.
2560 (explow.o): Replace target.h with $(TARGET_H).
2561 (ipa-prop.o): Likewise.
2562 (ipa-cp.o): Likewise.
2563 (ipa-inline.o): Likewise.
2564 (reorg.o): Likewise.
2565 (reg-stack.o): Likewise.
2567 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2569 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2571 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2573 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2575 * configure.ac: Completely disregard languages that are not
2577 * configure: Regenerated.
2580 * c-common.h (c_build_bitfield_integer_type): Declare.
2581 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2582 * c-common.c (c_build_bitfield_integer_type): ... here.
2584 2006-04-23 Roger Sayle <roger@eyesopen.com>
2587 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2588 a SImode SUBREG of a floating point register after no_new_pseudos.
2590 2006-04-23 Roger Sayle <roger@eyesopen.com>
2592 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2593 identify potentially eliminable registers to additionally catch
2594 VIRTUAL_INCOMING_ARGS_REGNUM.
2595 (addsi3): Update the conditions on when to use addsi_small_int.
2597 2006-04-23 Roger Sayle <roger@eyesopen.com>
2600 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2601 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2602 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2604 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2606 * fold-const.c (range_predecessor): Use operand_equal_p
2607 as the predicate for equality.
2608 (range_successor): Likewise.
2610 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2613 * config/soft-fp/op-common.h: Fix a typo.
2615 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2618 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2619 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2621 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2623 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2625 * doc/tm.texi: Fix a typo.
2627 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2629 * dwarf2out.c (struct die_struct): Document that die_sib makes
2630 a circular linked list.
2631 (FOR_EACH_CHILD): New.
2632 (reverse_die_lists): Delete.
2633 (reverse_all_dies): Delete.
2634 (add_dwarf_attr): Correct documentation.
2635 (remove_child_with_prev): New.
2636 (remove_child_TAG): Update for change to die_struct, use
2637 remove_child_with_prev.
2638 (add_child_die): Update for change to die_struct.
2639 (splice_child_die): Use remove_child_with_prev and add_child_die.
2640 (print_die): Use FOR_EACH_CHILD.
2641 (die_checksum): Likewise.
2642 (assign_symbol_names): Likewise.
2643 (output_location_lists): Likewise.
2644 (build_abbrev_table): Likewise.
2645 (calc_die_sizes): Likewise.
2646 (mark_dies): Likewise.
2647 (unmark_dies): Likewise.
2648 (unmark_all_dies): Likewise.
2649 (output_die): Likewise.
2650 (prune_unused_types_mark): Likewise.
2651 (prune_unused_types_walk): Likewise.
2652 (same_die_p): Update for change to die_struct.
2653 (break_out_includes): Likewise.
2654 (prune_unused_types_prune): Likewise.
2655 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2656 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2658 (dwarf2out_finish): Don't call reverse_all_dies.
2660 2006-04-21 Eric Christopher <echristo@apple.com>
2662 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2663 in comments and function names.
2665 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2668 * c-typeck.c (digest_init): Robustify.
2670 * c-typeck.c (pop_init_level): Simplify.
2672 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2674 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2676 2006-04-21 Paul Brook <paul@codesourcery.com>
2678 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2679 hardware floating point.
2681 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2683 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2686 2006-04-21 Nick Clifton <nickc@redhat.com>
2688 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2691 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2694 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2695 C++ lang type in traceback table for Objective-C++.
2697 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2699 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2701 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2703 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2706 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2707 were errors. Remove check for erroneous objects.
2709 2006-04-20 Jeff Law <law@redhat.com>
2711 PR tree-optimization/26854
2712 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2713 checking for zero or one use.
2714 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2715 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2716 * tree-ssa-reassoc.c (negate_value): Similarly.
2717 (reassociate_bb): Similarly.
2719 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2721 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2722 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2723 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2725 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2727 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2728 fp regs if the last fp arg doesn't fit in regs.
2730 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2733 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2734 that the last insn has the REG_INC note.
2736 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2737 Nathan Sidwell <nathan@codesourcery.com>
2740 * stor-layout.c (update_alignment_for_field): Do not align
2742 (place_union_field): Place union field at the start of the union.
2743 (place_field): Move ERROR_MARK check later, and use the current
2744 allocation position to maintain monotonicity.
2746 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2748 * dominance.c: Include timevar.h.
2749 (calculate_dominance_info): Use TV_DOMINANCE.
2750 * timevar.def (TV_DOMINANCE): New timevar.
2751 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2753 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2755 PR rtl-optimization/14261
2756 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2757 move would be an INSV insn.
2758 (noce_process_if_block): Don't optimize if the destination is a
2759 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2761 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2763 * config/s390/s390.md: Add comments with the instructions emitted
2764 by an insn pattern if macros are used.
2766 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2768 PR rtl-optimization/26026
2769 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2770 is a known power of two shifted left a variable amount.
2772 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2774 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2775 to hash table twice when the debug_str section has SECTION_MERGE.
2777 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2779 * config/soft-fp: New directory. From glibc.
2780 * config/soft-fp/t-softfp: New.
2781 * config/soft-fp/README: New.
2782 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2783 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2784 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2785 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2786 * config.gcc: Use rs6000/t-fprules-fpbit or
2787 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2789 * config/rs6000/sfp-machine.h: New. Based on glibc.
2790 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2792 * config/rs6000/t-fprules: Remove fp-bit rules.
2793 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2794 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2795 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2796 (softfp_wrap_start, softfp_wrap_end): New.
2798 2006-04-18 DJ Delorie <dj@redhat.com>
2800 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2802 2006-04-18 Devang Patel <dpatel@apple.com>
2804 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2806 2006-04-18 Nick Clifton <nickc@redhat.com>
2808 * config/sh/t-symbian: Add rule to build sh-c.o
2809 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2810 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2811 (sh_symbian_encode_section_info): Likewise.
2813 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2815 * builtins.c (expand_builtin_strcmp): Cover label definition of
2816 do_libcall with HAVE_cmpstrnsi.
2818 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2820 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2822 * function.h (temp_slot_p): New.
2823 (function): Change the type of x_used_temp_slots to
2824 VEC(temp_slot_p,gc) *.
2826 2006-04-18 Nick Clifton <nickc@redhat.com>
2828 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2829 flag_strength_reduce.
2831 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2833 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2837 Partial revert of revision 112637
2838 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2839 Dale Johannesen <dalej@apple.com>
2842 * regclass.c (struct reg_pref): Update documentation.
2843 (regclass): Set prefclass to NO_REGS if memory is the best option.
2844 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2846 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2848 PR tree-optimization/26821
2849 * tree-ssa-math-opts.c (get_constant_one): New.
2850 (insert_reciprocals): Use it.
2852 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2854 * dwarf2out.c (free_AT): Delete.
2855 (remove_AT): Update string ref counts.
2856 (remove_child_TAG): Don't call free_die.
2858 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2859 or DW_TAG_GNU_EINCL.
2860 (prune_unused_types_walk_attribs): Reset string refcounts.
2861 (prune_unused_types_update_strings): New.
2862 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2863 call free_die. Do call prune_unused_types_update_strings.
2864 (prune_unused_types): Empty debug_str_hash.
2866 2006-04-17 Roger Sayle <roger@eyesopen.com>
2868 * expr.c (expand_assignment): Optimize away no-op moves where the
2869 source and destination are equal and have no side-effects.
2871 2006-04-17 Richard Guenther <rguenther@suse.de>
2874 * reload.c (push_reload): Guard calls to get_secondary_mem
2877 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2879 * alias.c (reg_base_value, old_reg_base_value): Change the
2880 type to VEC(rtx,gc) *.
2881 (REG_BASE_VALUE, find_base_value, record_set,
2882 init_alias_analysis): Use VEC instead of VARRAY.
2884 * alias.c (alias_sets): Change the type to
2885 VEC(alias_set_entry,gc) *.
2886 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2887 VEC instead of VARRAY.
2888 (last_alias_set): Remove.
2890 * cgraph.h (cgraph_edge_p): New.
2891 Update the prototype of cgraph_function_versioning.
2892 * cgraphunit.c (cgraph_copy_node_for_versioning,
2893 cgraph_function_versioning): Use VEC instead of VARRAY.
2894 * ipa-cp.c (ipcp_insert_stage): Likewise.
2896 2006-04-16 Roger Sayle <roger@eyesopen.com>
2899 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2900 "A op B" or "A op C", we may need to convert A to the type of B and C.
2902 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2904 * target.h (struct gcc_target): Add mode_rep_extended.
2905 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2906 (init_num_sign_bit_copies_in_rep): Initialize it using
2908 (truncate_to_mode): Use it.
2909 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2910 * targhooks.h (default_mode_rep_extended): Declare it.
2911 * targhooks.c (default_mode_rep_extended): Define it.
2912 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2913 default_mode_rep_extended.
2914 (TARGET_INITIALIZER): Include it.
2915 * doc/tm.texi (Misc): Document it.
2916 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2917 (mips_truncated_to_mode): New function.
2919 2006-04-16 Roger Sayle <roger@eyesopen.com>
2922 * expr.c (compress_float_constant): Copy the narrow constant into
2923 a new pseudo before extending it to its final width.
2925 2006-04-16 Roger Sayle <roger@eyesopen.com>
2926 Andrew Pinski <pinskia@gcc.gnu.org>
2927 Dale Johannesen <dalej@apple.com>
2930 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2931 special case code to implement V8HImode and V16QImode with SSE2.
2933 2006-04-15 Roger Sayle <roger@eyesopen.com>
2935 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2936 trees are constructed with a suitable tree type.
2938 2006-04-15 Roger Sayle <roger@eyesopen.com>
2940 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2941 (integer_onep): Likewise.
2942 (integer_all_onesp): Likewise.
2943 (integer_pow2p): Likewise.
2944 (integer_nonzerop): Likewise.
2945 (real_zerop): Likewise.
2946 (real_onep): Likewise.
2947 (real_twop): Likewise.
2948 (real_minus_onep): Likewise.
2949 (int_size_in_bytes): Likewise.
2950 (host_integerp): Likewise.
2952 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2954 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2955 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2956 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2958 * tree-ssa-structalias.h (alias_info): Remove num_references.
2960 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2962 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2963 (output_bvb patterns): Likewise.
2964 * pa.c (output_bb): Use 'bb' insn for long branch case.
2965 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2966 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2967 1. Correct length operand for alternatives 1 and 2.
2968 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2969 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2971 2006-04-14 Roger Sayle <roger@eyesopen.com>
2973 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2974 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2975 were accidentally reverted by r112959.
2977 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2980 * except.h (eh_region_outermost): New prototype.
2981 * except.c (eh_region_outermost): New function.
2982 * tree-cfg.c (find_outermost_region_in_block): Use it.
2984 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2986 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2988 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2989 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2990 (init_reload, reload): Use VEC instead of VARRAY.
2991 * reload.h: Update the prototype for
2992 reg_equiv_memory_loc_varray.
2994 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2995 Eric Botcazou <ebotcazou@libertysurf.fr>
2997 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3000 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3003 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3004 to expand fallback builtin function call.
3006 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3009 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3010 and emit libcall here in case the builtin fails.
3011 (expand_builtin_strcmp): Always emit the libcall here on failure.
3013 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3015 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3016 * flow.c (reg_n_info): Change the type to
3017 VEC(reg_info_p,heap) *.
3018 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3020 * regs.h (reg_info_p): New.
3021 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3022 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3023 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3026 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3028 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3030 * params.h (MAX_SCHED_READY_INSNS): New macro.
3031 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3032 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3033 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3034 the ready list for 1 cycle during the first scheduling pass.
3035 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3037 2006-04-13 Richard Henderson <rth@redhat.com>
3040 * gimple-low.c (lower_omp_directive): Remove dead code.
3041 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3042 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3043 * omp-low.c (struct omp_region): Move to tree-flow.h.
3044 (root_omp_region): Export.
3045 (omp_regions, lookup_omp_region): Remove.
3046 (determine_parallel_type): Update for struct omp_region changes.
3047 (dump_omp_region): Dump regions with block numbers.
3048 (new_omp_region): Take type and block instead of stmt; malloc
3050 (free_omp_region_1, free_omp_regions): New.
3051 (expand_parallel_call): Take entry_stmt as argument; update for
3052 changes to omp_region.
3053 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3054 (remove_exit_barriers): New.
3055 (expand_omp_parallel): Update for struct omp_region changes.
3056 (expand_omp_synch): Likewise.
3057 (expand_omp): Likewise.
3058 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3059 (expand_omp_for_static_chunk): Likewise.
3060 (expand_omp_for): Likewise.
3061 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3062 (expand_omp_sections): Similarly, with GOMP_sections_end.
3063 (expand_omp_single): New.
3064 (build_omp_regions_1): Update for OMP_CONTINUE.
3065 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3066 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3067 OMP_SECTIONS_SECTIONS.
3068 (lower_omp_single_simple): Don't emit barrier here.
3069 (lower_omp_single_copy): Likewise.
3070 (lower_omp_single): Fix bindings, and lower to straightline now.
3071 (lower_omp_master, lower_omp_ordered): Likewise.
3072 (lower_omp_critical): Likewise.
3073 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3074 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3075 omp edges, free it afterward.
3076 (make_omp_sections_edges): Remove.
3077 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3078 (move_stmt_r): Handle OMP_CONTINUE.
3079 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3080 statement pointers to basic blocks. Add type member.
3081 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3082 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3083 * tree-inline.c (estimate_num_insns_1): Likewise.
3084 * tree-pretty-print.c (dump_generic_node): Likewise.
3085 * tree-ssa-operands.c (get_expr_operands): Likewise.
3086 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3087 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3088 (OMP_CONTINUE): New.
3089 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3090 (OMP_SECTIONS_SECTIONS): Remove.
3091 (OMP_SECTION_LAST): New.
3092 (OMP_RETURN_NOWAIT): New.
3094 2006-04-13 Roger Sayle <roger@eyesopen.com>
3096 * fold-const.c (native_encode_vector, native_interpret_real):
3097 Correct obvious mistakes in the previous check-in.
3099 2006-04-13 Roger Sayle <roger@eyesopen.com>
3101 * fold-const.c (native_encode_expr): New function to encode
3102 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3103 or VECTOR_CST into a specified buffer.
3104 (native_encode_int): New function.
3105 (native_encode_real): New function.
3106 (native_encode_complex): New function.
3107 (native_encode_vector): New function.
3108 (native_interpret_expr): Inverse of native_encode_expr to convert
3109 a target representation into an INTEGER_CST, REAL_CST etc...
3110 (native_interpret_int): New function.
3111 (native_interpret_real): New function.
3112 (native_interpret_complex): New function.
3113 (native_interpret_vector): New function.
3114 (fold_view_convert_expr): New function to constant fold/evaluate
3115 a VIEW_CONVERT_EXPR of a suitable constant expression.
3116 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3117 Change call of build1 to fold_build1 when constructing a
3120 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3121 Ulrich Weigand <uweigand@de.ibm.com>
3124 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3127 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3130 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3131 optimize to lo_sum for DFmode if !TARGET_FPRS.
3133 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3135 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3136 delete_alias_info, compute_flow_sensitive_aliasing,
3137 group_aliases): Use VEC instead of VARRAY.
3138 * tree-ssa-structalias.c (update_alias_info): Likewise.
3139 * tree-ssa-structalias.h (alias_info): Change the type of
3140 processed_ptrs to VEC(tree,heap) *.
3142 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3145 * config/sh/lib1funcs.h: New file, broken out of:
3146 * config/sh/lib1funcs.asm.
3147 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3149 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3150 * config/sh/lib1funcs-Os-4-200.asm: New file.
3151 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3152 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3153 (EXTRA_MULTILIB_PARTS): Include it.
3154 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3155 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3156 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3157 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3160 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3162 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3163 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3164 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3166 * tree-ssa-live.h: Include vecprim.h.
3167 (tree_partition_associator_d): Change the type of
3168 first_partition to VEC(int,heap) *.
3169 (tpa_first_partition): Use VEC instead of VARRAY.
3171 * Makefile.in (GTFILES): Move functions.h after tree.h.
3172 * function.c (reset_block_changes, record_block_change,
3173 check_block_change, free_block_changes): Use VEC instead of
3175 * function.h (function): Change the type of
3176 ib_boundaries_block to VEC(tree,gc) *.
3177 * tree-inline.c (copy_cfg_body): Initialize
3178 ib_boundaries_block to NULL instead of (varray_type) 0.
3180 2006-04-12 Roger Sayle <roger@eyesopen.com>
3182 * expr.c (emit_group_store): Correct operand order in call to
3183 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3184 a SUBREG_BYTE of zero.
3186 2006-04-12 Richard Guenther <rguenther@suse.de>
3188 * profile.c (compute_branch_probabilities): Remove code
3189 encapsulated in !ir_type (), which are remanents of the
3190 removed RTL profiling code.
3191 * rtl-profile.c: Remove.
3193 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3195 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3196 magic NULL_RTX comment.
3197 (function_arg): Store entire fp arg to mem if any part should go
3199 (rs6000_arg_partial_bytes): Adjust for above change.
3201 2006-04-11 Roger Sayle <roger@eyesopen.com>
3203 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3204 if it hasn't been initialized by dwarf2out_init.
3206 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3208 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3209 symbolic constants in branch patterns.
3211 2006-04-11 Roger Sayle <roger@eyesopen.com>
3213 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3215 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3217 PR rtl-optimization/27073
3218 * gcse.c (try_replace_reg): Revert last change. Continue to search
3219 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3222 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3224 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3225 aggregate types other than record and union types.
3226 (function_arg): Likewise.
3227 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3229 (function_value): In 64-bit mode, return objects that require it
3232 2006-04-11 Roger Sayle <roger@eyesopen.com>
3234 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3236 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3238 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3240 2006-04-03 Jeff Law <law@redhat.com>
3243 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3244 alias information too.
3246 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3248 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3250 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3253 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3254 (premark_used_types_helper): New.
3255 (premark_used_types): New.
3256 (gen_subprogram_die): Call premark_used_types.
3257 (prune_unused_types_walk): Do not prune perennial dies.
3258 * function.c (used_types_insert): New.
3259 * function.h (struct function): Add used_types_hash field.
3260 (used_types_insert): Add prototype.
3261 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3262 * c-parser.c (c_parser_cast_expression): Save casted types in used
3265 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3268 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3269 rs6000_explicit_options.float_gprs.
3271 2006-04-10 Roger Sayle <roger@eyesopen.com>
3273 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3274 from ix86_expand_vector_init_low_nonzero. Take an additional
3275 one_var argument indicating which element is non-zero. Support
3276 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3277 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3278 with one_var instead of ix86_expand_vector_init_low_nonzero.
3280 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3282 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3283 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3284 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3285 build/genextract.o): Depend on vecprim.h.
3286 * cfglayout.c, df-problems.c, function.c, genextract.c,
3287 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3288 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3292 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3294 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3295 Declare VECs of this type.
3296 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3297 (remove_children): Delete.
3298 (add_dwarf_attr): Use VEC routines.
3299 (add_AT_flag): Update for changes to add_dwarf_attr.
3300 (add_AT_int): Likewise.
3301 (add_AT_unsigned): Likewise.
3302 (add_AT_long_long): Likewise.
3303 (add_AT_vec): Likewise.
3304 (add_AT_string): Likewise.
3305 (add_AT_die_ref): Likewise.
3306 (add_AT_fde_ref): Likewise.
3307 (add_AT_loc): Likewise.
3308 (add_AT_loc_list): Likewise.
3309 (add_AT_addr): Likewise.
3310 (add_AT_lbl_id): Likewise.
3311 (add_AT_lineptr): Likewise.
3312 (add_AT_macptr): Likewise.
3313 (add_AT_offset): Likewise.
3314 (add_AT_range_list): Likewise.
3315 (get_AT): Use VEC_iterate.
3316 (remove_AT): Use VEC_ordered_remove.
3317 (free_die): Fold remove_children into here; have it use VEC_iterate.
3318 (print_die): Use VEC_iterate on attrs.
3319 (reverse_die_lists): Don't reverse attr lists.
3320 (die_checksum): Use VEC_iterate on attrs.
3321 (same_die_p): Likewise.
3322 (output_location_lists): Likewise.
3323 (build_abbrev_table): Likewise.
3324 (size_of_die): Likewise.
3325 (unmark_all_dies): Likewise.
3326 (output_abbrev_section): Likewise.
3327 (output_die): Likewise.
3328 (prune_unused_types_walk_attribs): Likewise.
3330 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3332 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3334 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3337 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3339 2006-04-09 Roger Sayle <roger@eyesopen.com>
3341 * expr.c (store_constructor): Don't bother clearing target if
3342 we're about to assign a vector to it using vec_init_optab.
3344 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3346 * tree-ssa-alias.c (lhs_may_store_to): New function.
3347 (recalculate_used_alone): Handle LHS of calls.
3349 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3353 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3354 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3355 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3356 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3357 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3358 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3359 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3360 stubs. Add ".align 8" directives before all ".dword" directives.
3361 (GTHREAD_USE_WEAK): Revise comment.
3362 (TARGET_ATTRIBUTE_WEAK): Define.
3363 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3364 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3365 * stublib.c: New file.
3370 * pa.md (cbranch patterns): Revise arguments used in calls to
3371 output_cbranch, output_bb and output_bvd. Add long branch length
3373 (fbranch patterns): Handle long branches.
3374 (jump): Revise length check. Revise arguments for output_lbranch call.
3375 Add long branch length attributes.
3376 (decrement_and_branch_until_zero): Add long branch length attributes.
3377 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3378 Likewise. Revise arguments for output_parallel_addb and
3379 output_parallel_movb calls.
3380 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3381 output_parallel_movb and output_parallel_addb): Update prototypes.
3382 * pa.c (output_cbranch): Revise arguments. Correct handling of
3383 nullification in long branches.
3384 (output_lbranch): Add new argument to control extraction of delay
3386 (output_bb): Handle long branches.
3387 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3388 output_parallel_addb): Likewise.
3390 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3392 PR rtl-optimization/27073
3393 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3396 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3398 * tree.h (tree_memory_tag): Add old_used_alone.
3399 (SMT_OLD_USED_ALONE): New macro.
3400 * tree-ssa-alias.c (recalculate_used_alone): Stop
3401 marking things for renaming unnecessarily.
3403 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3405 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3406 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3407 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3408 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3409 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3410 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3411 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3412 spelling convensions.
3413 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3414 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3415 typos. Follow spelling conventions.
3417 2006-04-07 DJ Delorie <dj@redhat.com>
3419 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3420 passed on the stack.
3421 (m32c_init_cumulative_args): When a function returns a structure,
3422 always pass the pointer to that return area on the stack.
3423 (m32c_function_arg_advance): Don't increment the parameter number
3424 if we're processing the returned structure pointer.
3425 (pushm_info): Reverse order of registers.
3427 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3429 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3430 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3431 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3432 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3434 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3435 chrec_fold_multiply): Same.
3436 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3437 force_expr_to_var_cost): Same.
3438 * tree-mudflap.c (mf_xform_derefs_1): Same.
3439 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3441 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3443 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3444 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3447 2006-04-07 Jan Hubicka <jh@suse.cz>
3449 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3451 2006-04-07 Richard Guenther <rguenther@suse.de>
3453 PR tree-optimization/26135
3454 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3455 loads for store copy-prop.
3456 (copy_prop_visit_stmt): Likewise.
3458 2006-04-05 Robert Millan <robertmh@gnu.org>
3460 * config/i386/linux.h: Add a comment to mark macros that are
3461 being overriden in config/k*bsd-gnu.h.
3462 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3464 * config/knetbsd-gnu.h: Ditto.
3466 2006-04-06 Jan Hubicka <jh@suse.cz>
3470 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3473 2006-04-06 Mike Stump <mrs@apple.com>
3475 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3476 for HAVE_nonlocal_goto to be consistent.
3477 (expand_builtin_nonlocal_goto): Likewise.
3478 (expand_builtin_strcmp): Use #ifdef instead of #if
3479 for HAVE_cmpstrnsi to be consistent.
3481 2006-04-05 DJ Delorie <dj@redhat.com>
3483 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3486 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3488 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3489 got-relative addressing for anything but SImode.
3491 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3492 even if the calling function doesn't modify them.
3494 2006-04-05 Richard Guenther <rguenther@suse.de>
3496 PR tree-optimization/26919
3497 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3498 to cgraph_estimate_size_after_inlining.
3500 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3502 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3504 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3506 PR tree-optimization/26996
3507 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3508 VECTOR_TYPE variables.
3510 2006-04-05 Richard Guenther <rguenther@suse.de>
3512 PR tree-optimization/26763
3513 * fold-const.c (fold_comparison): Move folding of
3514 PTR + CST CMP PTR + CST ...
3515 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3517 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3519 * doc/install.texi (Prerequisites): Refine some wording on
3520 bootstrapping and ksh.
3521 Move the version numbers of DejaGnu here from the testing section
3522 and fix casing of names.
3523 Fix markup and clarify wording for autogen requirements.
3524 Refer to GCJ instead of just java.
3525 Refer to SVN instead of CVS.
3526 Describe diffutils as useful instead of necessary.
3527 (Downloading the source): Refer to SVN instead of CVS.
3528 Adjust a link to our web site accordingly.
3529 (Configuration): Fix casing of Bison.
3530 (Building): Refer to SVN instead of CVS.
3531 Fix a sentence on the use of Bison and remove duplicate (and
3532 incorrect) version number of Bison requirement.
3533 Remove one redundant list of packages needed for building.
3534 (Specific): Avoid reference to CVS.
3536 2006-04-04 Eric Christopher <echristo@apple.com>
3538 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3539 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3540 (rs6000_handle_struct_attribute): New.
3541 (rs6000_ms_bitfield_layout_p): Ditto.
3543 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3545 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3546 NULL for dso parameter to atexit_common.
3548 2006-04-04 Eric Christopher <echristo@apple.com>
3550 * config/i386/i386.c (machopic_output_stub): Output \t
3551 between instructions and operands.
3553 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3555 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3556 satisfies_constraint_[IL] to explicit tests on value.
3558 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3560 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3561 set_nb_iterations_in_loop): Use build_int_cst instead of
3563 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3564 build_int_cst instead of convert.
3566 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3568 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3569 new value 2 for incoming.
3570 * function.c (expand_function_start): Call struct_value_rtx
3572 * config/sparc/sparc.md: Comment updated_return.
3573 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3574 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3575 struct return if sparc_std_struct_return and incoming is 2.
3576 (print_operand): Do not adjust return if
3577 sparc_std_struct_return.
3579 2006-04-04 Roger Sayle <roger@eyesopen.com>
3581 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3582 convert in the middle-end.
3583 * expr.c (store_expr, store_constructor, get_inner_reference,
3584 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3586 * tree.c (build_range_type): Likewise.
3588 2006-04-04 Tom Tromey <tromey@redhat.com>
3590 * doc/install.texi (Prerequisites): Mention jar.
3592 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3594 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3597 2006-04-04 Matthias Klose <doko@debian.org>
3599 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3600 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3603 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3605 * doc/extend.texi (Function Attributes): Rewrite visibility
3606 attribute documentation.
3607 * doc/invoke.texi (C++ Dialect Options): Rewrite
3608 -fvisibility-inlines-hidden documentation to describe something
3609 entirely different, although in practise compatible.
3610 (Code Gen Options): Warn about system headers in -fvisibility=
3613 * doc/extend.texi (Other Builtins): Document that
3614 __builtin_nan is a compile-time constant only when its argument
3617 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3619 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3620 trying to remove TRUNCATE check if all bits outside the new mode
3621 are identical to the sign bit.
3623 2006-04-03 Jeff Law <law@redhat.com>
3625 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3626 and operand scanning in some common cases.
3628 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3629 Dale Johannesen <dalej@apple.com>
3632 * regclass.c (struct reg_pref): Update documentation.
3633 (regclass): Set prefclass to NO_REGS if memory is the best option.
3634 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3635 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3636 into account. For non-registers, equate an empty preferred
3637 reload class to a `!' in the constraint; move the if clause to
3638 do so after those that reject the insn.
3639 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3641 (find_dummy_reload): Likewise.
3642 * doc/tm.texi (Register Classes): Document what it means
3643 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3644 * config/i386/i386.c (ix86_preferred_reload_class): Force
3645 using SSE registers (and return NO_REGS for floating-point
3646 constants) if math is done with SSE.
3647 (ix86_preferred_output_reload_class): New.
3648 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3649 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3650 * config/i386/i386.md: Remove # register preferences.
3652 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3655 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3656 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3657 the type of nb_iter.
3658 (instantiate_parameters_1): Convert the operands before calling
3659 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3660 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3662 2006-04-02 Roger Sayle <roger@eyesopen.com>
3664 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3665 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3667 * dojump.c (do_jump): Likewise.
3668 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3669 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3670 gimplify_boolean_expr): Likewise.
3671 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3672 * varasm.c (array_size_for_constructor): Likewise.
3673 * tree-object-size.c (compute_object_offset): Likewise.
3675 2006-04-02 Roger Sayle <roger@eyesopen.com>
3678 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3679 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3681 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3683 PR tree-optimization/26939
3684 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3686 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3688 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3689 at_stmt. Convert the type of operands before calling
3690 build_polynomial_chrec.
3691 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3693 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3694 (instantiate_parameters_1): Convert the type of operands before calling
3695 build_polynomial_chrec.
3696 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3697 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3698 reset_evolution_in_loop): Insert asserts to check the types of the
3700 (chrec_type): Moved...
3701 (eq_evolutions_p): Use operand_equal_p.
3702 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3703 the types of the operands.
3704 (chrec_type): ...here.
3705 * tree-data-ref.c (create_data_ref): Convert the operands before
3706 calling chrec_replace_initial_condition.
3707 (same_access_functions, analyze_subscript_affine_affine,
3708 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3709 (compute_subscript_distance, analyze_ziv_subscript,
3710 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3711 analyze_miv_subscript): Convert the operands before calling
3712 chrec_fold_minus or chrec_fold_plus.
3714 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3716 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3717 the dependence_relations vector.
3718 (compute_data_dependences_for_loop): Adjust call to
3719 compute_all_dependences.
3721 2006-04-01 Roger Sayle <roger@eyesopen.com>
3722 Richard Henderson <rth@redhat.com>
3724 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3725 gimple_boolify on the condition before calling gimplify_expr.
3727 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3729 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3730 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3731 the frame size. Update to use the new macros.
3732 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3733 * config/xtensa/ieee754-df.S: Likewise.
3735 2006-03-31 Richard Henderson <rth@redhat.com>
3737 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3738 (make_edges): ... here. Control fallthru creation with a local
3739 variable. Do not play with fake edges.
3740 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3741 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3744 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3746 * dwarf2.h (DW64_CIE_ID): Define.
3747 * dwarf2out.c (DWARF_CIE_ID): Define.
3748 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3749 length header. Use DWARF_CIE_ID.
3750 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3751 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3753 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3755 * config/sh/linux-atomic.asm: New file.
3756 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3758 2006-03-31 DJ Delorie <dj@redhat.com>
3760 * config/m32c/cond.md: Set condition flags properly throughout.
3761 * config/m32c/minmax.md: Likewise.
3762 * config/m32c/prologue.md: Likewise.
3763 * config/m32c/bitops.md: Likewise.
3764 * config/m32c/muldiv.md: Likewise.
3765 * config/m32c/mov.md: Likewise.
3766 * config/m32c/addsub.md: Likewise.
3767 * config/m32c/m32c.md: Likewise.
3768 * config/m32c/jump.md: Likewise.
3769 * config/m32c/shift.md: Likewise.
3771 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3772 conditionally output the pattern for this.
3773 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3774 (m32c_compare_redundant): New.
3775 (m32c_output_compare): New.
3776 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3778 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3779 dest, not src. Allow other 4-byte modes.
3781 2006-03-30 Denis Chertykov <denisc@overta.ru>
3783 * doc/md.texi: Refer to avr/constraints.md instead of
3786 2006-03-30 Roger Sayle <roger@eyesopen.com>
3788 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3789 signed vs. unsigned comparison failures on some hosts.
3791 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3794 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3795 change to FLOAT_REGS.
3797 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3798 (rs6000_override_options): Use it.
3799 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3800 only for -mabi=spe/no-spe and -mabi=altivec.
3802 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3804 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3807 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3809 * Makefile.in: Rename docdir to gcc_docdir.
3811 2006-03-30 Roger Sayle <roger@eyesopen.com>
3814 * expr.c (emit_group_store): Optimize group stores into a pseudo
3815 register by using a paradoxical subreg to initialize the destination
3816 if the first or last member of the group specifies a "low part".
3818 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3821 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3822 * target.h (struct gcc_target.speculate_insn): Change type of the
3823 second parameter to 'int'.
3824 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3825 the second operand of the DEPS_LIST.
3826 (copy_DEPS_LIST_list): Update reference to the second operand of the
3828 * rtl.h (alloc_DEPS_LIST): Update signature.
3829 * sched-int.h (ds_t): Change typedef to 'int'.
3830 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3832 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3834 * haifa-sched.c (try_ready): Change condition to restore
3835 non-speculative pattern of the instruction.
3836 (process_insn_depend_be_in_spec): Code to keep probability of the
3837 speculative dependence non-decreasing.
3839 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3841 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3842 (single_move_for_movmem): ... this. Also change all uses.
3843 (bfin_expand_strmov): Renamed to...
3844 (bfin_expand_movmem): ... this. Also change all uses.
3845 * config/bfin/bfin.md (movstrsi): Renamed to...
3846 (movstrsi): ...this.
3848 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3850 PR tree-optimization/26830
3852 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3853 (copy_prop_visit_stmt): Remove write-only variable ann.
3854 (init_copy_prop): Check variable loop depth here. Do not simulate
3855 memory-tag and virtual operand PHIs except for store copy prop.
3857 2006-03-30 Richard Guenther <rguenther@suse.de>
3859 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3860 variants with double arguments.
3862 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3864 * genpreds.c (write_tm_constrs_h): Delete variable p.
3865 * genconditions.c (write_header): Add tm-constrs.h to included
3867 * genpeep.c (main): Add toplev.h to included headers.
3868 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3869 (build/genpeep.o): Add toplev.h dependency.
3870 * config/rs6000/constraints.md: Add "W" constraint.
3872 2006-03-29 Roger Sayle <roger@eyesopen.com>
3874 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3875 sizes by correctly testing whether the size fits a host integer.
3876 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3877 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3878 SImode range for the default sizetype and bitsizetype.
3880 2006-03-29 Roger Sayle <roger@eyesopen.com>
3882 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3883 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3884 quickly if the argument is already of the correct type.
3885 Call fold_build1 instead of build1. Tidy up blank lines.
3887 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3889 * genemit.c (main): Add tm-constrs.h to included headers.
3890 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3891 * genpeep.c (main): Add tm-constrs.h to included headers.
3892 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3893 (write_tm_constrs_h): this and write complete file.
3894 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3895 (write_insn_preds_c): Add tm-constrs.h to included headers.
3896 (gen_constrs): New variable.
3897 (parse_option): Parse "-c".
3898 (main): Invoke write_tm_constrs_h.
3899 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3900 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3901 (object_out_file): Add tm-constrs.h dependency.
3902 (insn-emit.o): Same.
3903 (insn-output.o): Same.
3904 (insn-peep.o): Same.
3905 (insn-preds.o): Same.
3906 (insn-recog.o): Same.
3907 (tm-constsr.h): New target.
3908 (s-constrs-h): New target.
3910 * config/rs6000/constraints.md: New file.
3911 * config/rs6000/rs6000.c: Include tm-constrs.h.
3912 (num_insn_constant_wide): Convert to satisfies_constraint.
3913 (rs6000_rtx_costs): Convert to satisfies_constraint.
3914 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3915 (CONST_OK_FOR_LETTER_P): Delete.
3916 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3917 (EXTRA_CONSTRAINT): Delete.
3918 (EXTRA_MEMORY_CONSTRAINT): Delete.
3919 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3920 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3921 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3922 satisfies_constraint.
3924 * config/i386/i386.c: Include tm-constrs.h.
3926 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3928 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3929 * tree-data-ref.c (find_data_references_in_loop,
3930 compute_data_dependences_for_loop): Use pointers to VEC.
3931 (analyze_all_data_dependences): Adjust calls.
3932 * tree-data-ref.h (find_data_references_in_loop,
3933 compute_data_dependences_for_loop): Adjust declarations.
3934 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3935 compute_data_dependences_for_loop.
3937 2006-03-29 Paul Brook <paul@codesourcery.com>
3939 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3942 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3944 PR tree-optimization/26859
3945 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3947 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3948 for the step after fold_convert.
3950 2006-03-29 Paul Brook <paul@codesourcery.com>
3952 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3953 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3955 2006-03-29 Paul Brook <paul@codesourcery.com>
3958 * targhooks.c (default_narrow_bitfield): New fuction.
3959 * targhooks.h (default_narrow_bitfield): add prototype.
3960 * target.h (gcc_target): Add narrow_volatile_bitfield.
3961 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3962 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3963 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3964 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3966 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3968 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3970 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3971 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3972 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3973 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3974 (s390_function_arg_float): Allow SDmode and DDmode values to be
3975 passed in floating point registers.
3976 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3977 check with SCALAR_FLOAT_MODE_P.
3978 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3980 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3982 PR tree-optimization/25985
3983 * tree-ssa-loop-niter.c (number_of_iterations_le,
3984 number_of_iterations_ne): Make comments more precise.
3985 (number_of_iterations_cond): Add only_exit argument. Use the
3986 fact that signed variables do not overflow only when only_exit
3988 (loop_only_exit_p): New.
3989 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3990 number_of_iterations_cond.
3992 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3994 PR tree-optimization/26643
3995 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3998 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4000 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4001 (divsi3_i4_int): Likewise.
4003 2006-03-28 Roger Sayle <roger@eyesopen.com>
4005 * expr.c (emit_group_store): Only create a new pseudo reg if the
4006 quantity it needs to hold isn't already a suitable pseudo.
4008 2006-03-28 Jeff Law <law@redhat.com>
4010 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4011 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4013 2006-03-28 Roger Sayle <roger@eyesopen.com>
4015 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4016 the equivalent ~X & Y, and the symmetry related transformations.
4017 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4018 ~X & Y, and symmetry related transforms.
4020 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4022 Revert my 2006-03-27 patches.
4024 2006-03-28 Roger Sayle <roger@eyesopen.com>
4026 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4027 ~(T1)X, when T1 and T2 are integer types of the same precision
4028 and (T2)X isn't an extension.
4030 2006-03-28 Jeff Law <law@redhat.com>
4032 PR tree-optimization/26796
4033 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4034 need EH edge cleanups rather than purging them immediately.
4035 (eliminate_degenerate_phis): Handle queued EH cleanups.
4037 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4039 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4042 2006-03-27 Roger Sayle <roger@eyesopen.com>
4045 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4046 cast BIT_NOT_EXPR operand to the correct type.
4048 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4050 * tree-loop-linear.c: Don't include varray.h.
4051 (gather_interchange_stats, try_interchange_loops,
4052 linear_transform_loops): Use VEC instead of VARRAY.
4053 * lambda-mat.c: Don't include varray.h.
4054 * tree-chrec.c: Same.
4055 * lambda-trans.c: Same.
4056 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4057 VEC instead of VARRAY.
4058 * tree-vectorizer.h: Idem.
4059 * tree-data-ref.c (dump_data_references,
4060 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4061 initialize_data_dependence_relation, finalize_ddr_dependent,
4062 compute_all_dependences, find_data_references_in_loop,
4063 compute_data_dependences_for_loop, analyze_all_data_dependences,
4064 free_dependence_relation, free_dependence_relations,
4065 free_data_refs): Idem.
4066 * tree-data-ref.h (data_reference_p, subscript_p): New.
4067 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4068 VEC instead of VARRAY.
4069 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4070 (find_data_references_in_loop, compute_data_dependences_for_loop,
4071 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4072 dump_data_dependence_relations, free_dependence_relations,
4073 free_data_refs): Adjust declaration.
4074 (lambda_transform_legal_p): Move declaration here...
4075 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4076 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4077 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4078 vect_analyze_data_refs): Use VEC instead of VARRAY.
4079 * lambda.h (lambda_transform_legal_p): ...from here.
4080 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4081 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4082 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4083 tree-chrec.o): Don't depend on VARRAY_H.
4085 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4087 * rtl.def (Copyright): Update date.
4088 (DEPS_LIST): Change type of the second operand to 'int'.
4089 * target.h (Copyright): Update date.
4090 (struct gcc_target.speculate_insn): Change type of the second parameter
4092 * lists.c (Copyright): Update date.
4093 (alloc_DEPS_LIST): Change signature. Update reference to the second
4094 operand of the DEPS_LIST.
4095 (copy_DEPS_LIST_list): Update reference to the second operand of the
4097 * rtl.h (Copyright): Update date.
4098 (alloc_DEPS_LIST): Update signature.
4099 * sched-int.h (Copyright): Update date.
4100 (ds_t): Change typedef to 'int'.
4101 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4103 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4105 * haifa-sched.c (Copyright): Update date.
4106 (try_ready): Change condition to restore non-speculative pattern
4108 (process_insn_depend_be_in_spec): Code to keep probability of the
4109 speculative dependence non-decreasing.
4111 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4113 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4114 shut up the compiler.
4116 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4118 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4119 to use lib prefix for target.
4120 ($(T)libic_invalidate_array_4-200.a): Likewise.
4121 ($(T)libic_invalidate_array_4a.a): Likewise.
4123 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4124 J"orn Rennecke <joern.rennecke@st.com>
4126 * superh.opt: New file.
4127 * sh.c (boardtype, osruntime): Remove.
4128 * superh.h (SUBTARGET_OPTIONS): Remove.
4129 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4131 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4132 arguments with ^ and/or [].
4134 * config.gcc (sh-*-*): Add quoting to account for quirk of
4136 Replace == with = in enable_incomplete_targets test.
4138 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4139 with MASK_LITTLE_ENDIAN.
4141 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4142 * config/sh/sh.opt: Added to some comments.
4143 * config/sh/superh.h: Removed some chaff.
4145 * config/sh/sh.opt: Add m4-[1234]00* options.
4146 * config/sh/sh.c (sh_handle_option): Likewise.
4147 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4148 (ic_invalidate_array_4-100.o): New rule.
4149 ($(T)libic_invalidate_array_4-100.a): Likewise.
4150 (ic_invalidate_array_4-200.o): Likewise.
4151 ($(T)libic_invalidate_array_4-200.a): Likewise.
4152 (ic_invalidate_array_4a.o): Likewise.
4153 ($(T)libic_invalidate_array_4a.a): Likewise.
4154 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4155 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4157 * config/sh/crt1.asm: Merged in profiling code.
4158 * config/sh/superh.h (STARTFILE_SPEC): Override.
4159 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4160 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4161 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4163 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4164 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4165 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4167 * sh.opt (mpretend-cmove): New option.
4168 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4169 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4170 (movsicc): Add TARGET_PRETEND_CMOVE code.
4172 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4174 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4175 s390_class_max_nregs): New function prototypes.
4176 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4177 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4178 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4179 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4181 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4183 * dwarf2out.c (add_location_or_const_value_attribute): Call
4184 tree_add_const_value_attribute if nothing else works.
4185 (reference_to_unused): New.
4186 (rtl_for_decl_init): Use reference_to_unused to decide whether
4187 to output an initializer.
4189 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4192 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4193 peephole removing spe frob_di_df_2.
4195 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4197 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4198 (subscript_dependence_tester_1): Declared.
4199 (print_dir_vectors, print_dist_vectors): New.
4200 (debug_data_dependence_relation): New.
4201 (dump_data_dependence_relation): Print more details.
4202 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4203 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4204 (save_dist_v, save_dir_v, add_outer_distances,
4205 build_classic_dist_vector_1): New.
4206 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4207 Don't test for lambda_vector_lexico_pos.
4208 (same_access_functions, add_multivariate_self_dist,
4209 add_other_self_distances, dir_from_dist): New.
4210 (build_classic_dir_vector): Replace implementation almost identical to
4211 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4213 (subscript_dependence_tester_1): New.
4214 (subscript_dependence_tester): Handle the lexicographically negative
4215 distance vectors by recomputing the dependence relation.
4216 (compute_affine_dependence): Remove parameter loop_nest_depth.
4217 (compute_self_dependence): Don't call compute_subscript_distance.
4218 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4219 Add a parameter for the loop_nest.
4220 (find_loop_nest_1, find_loop_nest): New.
4221 (compute_data_dependences_for_loop): Compute the loop nest, and give
4222 up if the nest is not well formed.
4223 * tree-data-ref.h (loop_p): New.
4224 (struct data_dependence_relation): Replace size_vect field with
4225 loop_nest, a vec of loops.
4226 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4227 (DDR_LOOP_NEST): New.
4228 (print_dir_vectors, print_dist_vectors,
4229 debug_data_dependence_relation): Declared.
4230 (index_in_loop_nest): New.
4231 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4232 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4235 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4237 * simplify-rtx.c (simplify_relational_operation): Call
4238 simplify_relational_operation_1 even if mode is VOIDmode.
4240 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4242 PR tree-optimization/26804
4243 * tree.h (DECL_CALL_CLOBBERED): New macro.
4244 (tree_decl_common): Add call_clobbered_flag.
4245 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4246 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4247 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4248 (mark_non_addressable): Ditto.
4249 * tree-ssa.c (verify_call_clobbered): New function.
4250 (verify_alias_info): Use it.
4251 * tree-pass.h (pass_reset_cc_flags): New prototype.
4252 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4253 (reset_cc_flags): New function.
4254 * passes.c (init_optimization_passes): Call reset_cc_flags after
4255 initializing referenced_vars.
4257 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4258 Roger Sayle <roger@eyesopen.com>
4261 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4262 to 1.0 for non-real operands. Implement A / A optimization for
4265 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4267 * config/i386/i386.c (size_cost): Correct the comment for
4268 cost of storing fp registers.
4269 (i386_cost): Likewise.
4270 (i486_cost): Likewise.
4271 (pentium_cost): Likewise.
4272 (pentiumpro_cost): Likewise.
4273 (k6_cost): Likewise.
4274 (athlon_cost): Likewise.
4275 (k8_cost): Likewise.
4276 (pentium4_cost): Likewise.
4277 (nocona_cost): Likewise.
4278 (generic64_cost): Likewise.
4279 (generic32_cost): Likewise.
4281 2006-03-24 Denis Chertykov <denisc@overta.ru>
4283 * config/avr/avr-protos.h (extra_constraint): Delete.
4284 (extra_constraint_Q): New declaration.
4285 * config/avr/constraints.md: New file.
4286 * config/avr/avr.md: Include it.
4287 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4288 (TMP_REGNO, ZERO_REGNO): Likewise.
4289 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4290 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4291 (extra_constraint): Delete.
4292 (extra_constraint_Q): Test for memory constraint 'Q'.
4293 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4294 (REG_CLASS_FROM_LETTER): Delete.
4295 (CONST_OK_FOR_LETTER_P): Delete.
4296 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4297 (EXTRA_CONSTRAINT): Delete.
4298 (TMP_REGNO): Delete.
4299 (ZERO_REGNO): Delete.
4301 2006-03-24 Jeff Law <law@redhat.com>
4303 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4304 directly. Call mark_new_vars_to_rename slightly earlier.
4306 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4308 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4310 (gen_compile_unit_die): Use new language types for Objective-C and
4312 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4313 DW_LANG_C_plus_plus.
4316 * config/t-darwin (crt3.o): Work around bug 26840.
4317 * config/darwin-crt3.c: Rewrite.
4318 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4320 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4322 * doc/invoke.texi: Document -femit-class-debug-always
4323 * common.opt: Add -femit-class-debug-always.
4325 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4327 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4328 index and base register.
4329 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4330 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4331 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4332 REGNO_OK_FOR_INDEX_P.
4333 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4335 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4336 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4337 REG_OK_FOR_BASE_P): Definitions removed.
4339 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4342 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4343 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4344 set yet or weren't marked as local yet.
4346 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4348 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4351 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4353 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4354 (rs6000_legitimate_small_data_p): Delete.
4355 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4356 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4357 and make static. Add forward declaration. Update uses.
4358 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4359 of offsettable_memref_p.
4360 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4361 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4363 2006-03-24 Jeff Law <law@redhat.com>
4365 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4366 around bug in immediate-use iterator.
4368 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4371 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4372 or __LITTLE_ENDIAN__.
4374 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4376 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4377 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4378 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4379 * config/sh/sh.opt (mdiv=): Amend description.
4380 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4381 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4382 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4383 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4384 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4385 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4386 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4387 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4388 TARGET_DIVIDE_CALL_FP.
4390 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4392 * haifa-sched.c (choose_ready): Fix type of the local variable.
4393 Move local variables. Add comment.
4394 (check_reg_live): Change signature. Make callable from debugger.
4395 * sched-int.h (check_reg_live): Update signature.
4396 * sched-ebb.c (check_reg_live): Update parameters.
4397 * sched-rgn.c (check_reg_live): Ditto.
4398 (region_head_or_leaf_p): Check pointer before dereferencing.
4399 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4400 before reload on optimization levels below 1.
4402 2006-03-23 Richard Henderson <rth@redhat.com>
4404 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4408 * config/alpha/predicates.md (local_symbolic_operand): Reject
4411 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4414 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4415 expressions which have overflowed constants.
4417 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4419 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4421 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4423 * cfgloopmanip.c (create_loop_notes): Removed.
4424 * final.c (final_scan_insn): Do not handle loop notes.
4425 * jump.c (squeeze_notes): Ditto.
4426 * cfglayout.c (skip_insns_after_block,
4427 duplicate_insn_chain): Ditto.
4428 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4430 * cfgloop.h (create_loop_notes): Declaration removed.
4432 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4434 * varasm.c (output_constant_pool): Restore fnname and fndecl
4436 (assemble_start_function): Adjust call accordingly.
4437 (assemble_end_function): Likewise.
4439 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4442 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4445 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4447 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4450 * system.h (ICE_EXIT_CODE): New macro.
4451 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4452 (diagnostic_action_after_output): Likewise.
4453 * gcc.c (fatal_ice): New function.
4454 (execute): Use it instead of fatal.
4455 (fancy_abort): Likewise.
4456 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4458 2006-03-22 Jeff Law <law@redhat.com>
4460 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4461 iv_analyze_result returning false.
4463 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4465 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4467 2006-03-22 Richard Henderson <rth@redhat.com>
4470 * except.c (duplicate_eh_regions_0): New.
4471 (duplicate_eh_region_1): Duplicate the children of the node as
4472 well as the node itself. Link them up properly.
4473 (duplicate_eh_region_2): Merge into ...
4474 (duplicate_eh_regions): ... here. Take copy_region argument, and
4475 copy only a sub-tree if asked. Simplify copying and fixup.
4476 (eh_region_outer_p): New.
4477 * except.h (duplicate_eh_regions): Update decl.
4478 (eh_region_outer_p): Declare.
4479 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4480 (lower_omp_master): Likewise.
4481 (lower_omp_ordered): Likewise.
4482 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4483 (move_stmt_r): Use it to remap labels. Handle recursion vs
4484 remap_decls_p properly.
4485 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4486 (find_outermost_region_in_block): New.
4487 (new_label_mapper): New.
4488 (move_sese_region_to_fn): Copy eh information to the new function
4490 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4492 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4495 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4497 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4498 into shared libraries.
4500 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4502 * doc/md.texi: Refer to i386/constraints.md instead of
4504 * config/i386/constraints.md: New file, extracted from...
4505 * config/i386/predicates.md: ...here.
4506 * config/i386/i386.md: Include constraints.md.
4508 2006-03-21 Jason Merrill <jason@redhat.com>
4510 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4513 * expr.c (init_block_move_fn): Force default visibility.
4514 (init_block_clear_fn): Likewise.
4515 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4516 * targhooks.c (default_external_stack_protect_fail): Likewise.
4518 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4520 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4521 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4522 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4523 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4524 (loadgp): Use mips_current_loadgp_style.
4525 (loadgp_noshared): New pattern.
4526 (sibcall_internal): Use MIPS_CALL.
4527 (sibcall_value_internal): Likewise.
4528 (sibcall_value_multiple_internal): Likewise.
4529 (call_internal): Likewise.
4530 (call_value_internal): Likewise.
4531 (call_value_multiple_internal): Likewise.
4532 (call_split): Use MIPS_CALL and add an 'S' constraint.
4533 (call_value_split): Likewise.
4534 (call_value_multiple_split): Likewise.
4535 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4536 (-mshared): New option.
4537 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4538 (mips_current_loadgp_style): Declare.
4539 * config/mips/mips.c (mips_classify_symbol): Avoid using
4540 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4541 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4542 TARGET_ABSOLUTE_ABICALLS.
4543 (override_options): Adjust comments. Improve the warning that is
4544 issued when -mabicalls and -G are used together.
4545 (mips_file_start): Remove comment.
4546 (mips_current_loadgp_style): New function.
4547 (mips_gnu_local_gp): New variable.
4548 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4550 (mips_output_function_prologue): Use mips_current_laodgp_style.
4551 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4552 the cprestore instruction.
4553 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4554 live for TARGET_ABSOLUTE_ABICALLS.
4555 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4556 (ASM_SPEC): Pass down -mshared and -mno-shared.
4557 (MIPS_CALL): New macro.
4558 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4560 * doc/invoke.texi (-mabicalls): Update documentation.
4561 (-mshared): Document.
4563 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4565 * config/ia64/unwind-hpux.c: New file.
4566 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4568 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4571 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4573 2006-03-21 Jeff Law <law@redhat.com>
4575 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4576 type conversions of a VR_VARYING source to a wider type.
4578 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4580 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4581 tm_file on Solaris 10 and later.
4582 (sparc64-*-solaris2*): Likewise.
4583 (sparc-*-solaris2*): Likewise.
4584 * config/sol26.h: Rename to config/sol2-6.h.
4585 * config/sol2-10.h: New file.
4587 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4590 * tree-ssa-pre.c (create_component_ref_by_pieces):
4593 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4596 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4597 return it immediately.
4599 2006-03-21 Michael Matz <matz@suse.de>
4601 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4603 (remove_arc, add_arc): Update num_out_arcs member.
4604 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4606 (cache_presence): New function.
4607 (compare_states_for_equiv): New function.
4608 (state_is_differed): Don't take number of outargs, adjust callers.
4609 Use new invariant for speeding up.
4610 (init_equiv_class): Create initial classes based on sorted
4612 (partition_equiv_class): Don't track out_arcs_num.
4613 (evaluate_equiv_classes): Call cache_presence on all states and
4616 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4618 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4619 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4620 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4621 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4623 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4624 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4625 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4626 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4627 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4629 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4630 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4631 (REGNO_REG_CLASS): ARGP is in PREGS.
4632 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4634 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4635 to deal with those addresses.
4636 * addresses.h: New file.
4637 * caller-save.c: Include "addresses.h".
4638 (init_caller_save): Use new base_reg_class function.
4639 * rtl-factoring.c: Include "addresses.h".
4640 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4641 * recog.c: Include "addresses.h".
4642 (preprocess_constraints): Use new base_reg_class function.
4643 * regrename.c: Include "addresses.h".
4644 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4645 functions. Keep track of a new var INDEX_CODE to compute valid
4647 (replace_oldest_value_addr): Likewise.
4648 (replace_oldest_value_mem): Use base_reg_class.
4649 * reload.c: Include "addresses.h".
4650 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4651 (find_reloads): Use new base_reg_class function.
4652 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4653 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4654 all callers and prototype changed.
4655 * reload1.c: Include "addresses.h".
4656 (maybe_fix_stack_asms): Use base_reg_class.
4657 * regclass.c: Include "addresses.h".
4658 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4659 (init_reg_autoinc): Use new base_reg_class function.
4660 (record_reg_classes): Likewise.
4661 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4662 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4663 Use new args to compute necessary class.
4665 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4666 regrename.o, rtl-factoring.o): Update dependencies.
4667 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4668 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4669 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4670 REG_OK_FOR_INDEX_P): Delete documentation.
4672 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4674 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4675 from V7 to V9 for Solaris 7 and above.
4677 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4679 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4680 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4681 argument pointers may not alias any other storage.
4682 * common.opt: Define option -fargument-noalias-anything.
4683 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4684 alias semantics is specified by flag_argument_noalias > 2.
4686 2006-03-20 Jeff Law <law@redhat.com>
4688 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4689 (pass_phi_only_cprop): Declare.
4690 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4692 * tree-ssa-dom.c (degenerate_phi_result): New function.
4693 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4694 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4695 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4696 (eliminate_degenerate_phis): Likewise.
4697 (pass_phi_only_cprop): New pass descriptor.
4698 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4699 support code. Callers updated.
4700 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4701 (store_copy_prop): Likewise.
4702 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4704 2006-03-20 Jason Merrill <jason@redhat.com>
4707 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4708 (push_visibility, pop_visibility): Likewise.
4709 * c-pragma.h: Declare them.
4711 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4713 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4715 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4716 parameter and use get_ebb_head_tail.
4717 (sh_md_init_global): Adjust uses of find_regmode_weight.
4719 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4721 * function.h (struct function) <x_tail_recursion_reentry>:
4722 Rename to x_stack_check_probe_note.
4723 (tail_recursion_reentry): Rename to stack_check_probe_note.
4724 * function.c: Replace tail_recursion_reentry with
4725 stack_check_probe_note everywhere.
4726 (expand_function_start): Only emit a note for
4727 stack_check_probe_note with -fstack-protect.
4728 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4730 * emit-rtl.c (remove_unnecessary_notes): Remove.
4731 (pass_remove_unnecessary_notes): Remove.
4732 * rtl.h (remove_unnecessary_notes): Remove prototype.
4733 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4734 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4735 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4737 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4740 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4741 (valid_in_set): Handle ARRAY_REF.
4742 Change "if min_variant or VH" to asserts.
4743 (create_component_ref_by_pieces): Handle ARRAY_REF.
4744 (create_expression_by_pieces): Likewise.
4745 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4747 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4749 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4750 is operand of switch, not str[0].
4752 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4754 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4755 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4757 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4759 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4760 end of insn_extra_address_constraint declaration.
4762 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4764 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4765 (no-sum-in-toc): Same.
4766 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4768 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4769 NO_FP_IN_TOC for -fPIC instead of mask.
4771 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4772 (BOOT_LDFLAGS): Delete.
4774 * config/rs6000/t-aix52: Same.
4776 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4777 (stmsi[345678]_power): New.
4779 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4781 * config/ia64/ia64.opt: Add empty line to end of file.
4783 2006-03-17 Richard Guenther <rguenther@suse.de>
4786 * builtins.c (get_pointer_alignment): For component style references
4787 adjust alignment to the component type alignment. Make sure
4788 to adjust alignment for component access of constants.
4790 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4792 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4795 2006-03-17 Paul Brook <paul@codesourcery.com>
4797 * doc/install.texi: Docuemnt --with-mode.
4798 * config.gcc: Add --with-mode for arm*-*-*.
4799 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4801 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4803 * sh.c (max_labelno_before_reorg): New variable.
4804 (sh_reorg): Initialize it.
4805 (find_barrier): Check max_labelno_before_reorg before using
4806 label_to_alignment. Take length of explicit alignment insns
4807 into account. When seeing a UNSPECV_CONST_END, return it.
4809 * sh.c (fixup_mova): Set mode of affected label to QImode.
4810 (untangle_mova): New function.
4811 (find_barrier): Use it. Check mode of label before decrementing
4813 (sh_reorg): Likewise.
4814 Set mode of all insns back to VOIDmode.
4816 * sh.c (MOVA_LABELREF): New macro.
4817 (mova_p, fixup_mova, sh_reorg): Use it.
4818 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4819 ADDR_DIFF_VEC matches mova.
4821 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4823 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4824 with ATTRIBUTE_UNUSED.
4826 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4828 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4829 pointer, instead of assuming it is possible to derive the
4830 correct args size from a call insn.
4832 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4834 * rtl.h (CONST_INT_P): Define.
4835 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4836 instead of GET_CODE(x) == CONST_INT.
4837 (vax_rtx_costs): Likewise.
4838 (vax_output_int_move): Likewise.
4839 (vax_output_int_add): Likewise.
4840 (legitimate_constant_address_p): Likewise.
4841 (index_term_p): Likewise.
4842 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4843 * config/vax/vax.md (and<mode>3): Likewise.
4844 (ashrsi3): Likewise.
4846 (movstricthi): Likewise.
4847 (movstrictqi): Likewise.
4848 (rotrsi3): Likewise.
4849 (five unnamed insns): Likewise.
4851 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4853 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4854 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4855 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4856 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4857 Pass to ASM_OUTPUT_DWARF_OFFSET.
4858 * dwarf2out.c (debug_frame_section): New.
4859 (output_call_frame_info): Use debug_frame_section. Pass it to
4860 dw2_asm_output_offset.
4861 (output_die): Pass appropriate section to dw2_asm_output_offset.
4862 (output_compilation_unit_header): Likewise.
4863 (output_pubnames): Likewise.
4864 (output_aranges): Likewise.
4865 (enum dw_val_class): Break dw_val_class_lbl_offset into
4866 dw_val_class_lineptr and dw_val_class_macptr.
4867 (add_AT_lbl_offset): Delete.
4868 (add_AT_lineptr): New.
4869 (add_AT_macptr): New.
4870 (AT_lbl): Expect a lineptr or macptr.
4871 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4872 (attr_checksum): Likewise.
4873 (same_dw_val_p): Likewise.
4874 (size_of_die): Likewise.
4875 (value_format): Likewise.
4876 (output_die): Likewise.
4877 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4879 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4880 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4881 * config/darwin-protos.h (darwin_file_start): New.
4882 (darwin_asm_output_dwarf_offset): New.
4883 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4884 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4886 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4887 if not EH section; simplify.
4888 (darwin_file_start): New.
4889 (darwin_asm_output_dwarf_offset): New.
4890 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4892 (DEBUG_INFO_SECTION): Likewise.
4893 (DEBUG_ABBREV_SECTION): Likewise.
4894 (DEBUG_ARANGES_SECTION): Likewise.
4895 (DEBUG_MACINFO_SECTION): Likewise.
4896 (DEBUG_LINE_SECTION): Likewise.
4897 (DEBUG_LOC_SECTION): Likewise.
4898 (DEBUG_PUBNAMES_SECTION): Likewise.
4899 (DEBUG_STR_SECTION): Likewise.
4900 (DEBUG_RANGES_SECTION): Likewise.
4901 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4902 (ASM_OUTPUT_DWARF_OFFSET): New.
4904 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4906 * config.gcc (tm_defines): Always add to previous value rather
4909 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4911 * config/mips/predicates.md (splittable_const_int_operand): New,
4912 split from move_operand.
4913 (splittable_symbolic_operand): New.
4914 (move_operand): Add commentary. Use splittable_const_int_operand.
4915 Inline mips_atomic_symbolic_constant_p.
4916 * config/mips/mips.md: Add combine splitters for handling moves
4917 of splittable_const_int_operands and splittable_symbolic_operands.
4918 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4919 (mips_split_symbol): Declare.
4920 (mips_move_integer): Declare.
4921 * config/mips/mips.c (mips_split_p): Make global.
4922 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4923 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4924 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4925 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4926 (mips_offset_within_object_p): Handle block symbols.
4927 (mips_atomic_symbolic_constant_p): Delete.
4928 (mips_cannot_force_const_mem): Return false for constants that
4929 mips_legitimize_move can handle.
4930 (mips_use_blocks_for_constant_p): New function.
4931 (mips_split_symbol): Make global.
4932 (mips_move_integer): Likewise. Add a temporary register argument.
4933 (mips_legitimize_const_move): Use splittable_const_int_operand and
4934 splittable_symbolic_operand.
4935 (mips_use_anchors_for_symbol_p): New function.
4936 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4937 (mips_split_p): Declare.
4939 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4941 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4942 (mips*-*-linux*): Likewise.
4944 2006-03-16 Roger Sayle <roger@eyesopen.com>
4945 Daniel Speyer <dspeyer@wam.umd.edu>
4948 * tree-dump.c (dump_real): New function.
4949 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4950 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4951 (tree-dump.o): Add $(REAL_H) to the dependencies.
4953 2006-03-16 Roger Sayle <roger@eyesopen.com>
4956 * real.c (real_from_string): If the mantissa is zero, don't bother
4957 parsing the exponent as the result should always be zero.
4959 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4961 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4963 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4965 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4966 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4967 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4968 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4969 ia64_sched_finish_global): New static functions to implement
4970 hooks from gcc_target.sched.
4971 (spec_check_no, max_uid, pending_data_specs): New static variables.
4972 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4973 ia64_spec_check_src_p): New static functions.
4974 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4975 (TARGET_SCHED_ADJUST_COST): Removed.
4976 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4977 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4978 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4979 TARGET_SCHED_GEN_CHECK,
4980 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4981 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4982 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4983 Fixed to handle speculation checks.
4984 (rtx_needs_barrier): Fixed to handle speculative loads and
4986 (ia64_variable_issue): Added code to count speculative loads and their
4988 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4990 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4992 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4994 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4995 (ia64_reorg): Reset stops_p to NULL after it is freed.
4996 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4997 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4998 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5000 (data_speculative, control_speculative, check_load): New attributes.
5001 (mov<mode>_advanced, mov<mode>_speculative,
5002 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5003 zero_extend<mode>di2_speculative,
5004 zero_extend<mode>di2_speculative_advanced): New patterns for
5005 data and control speculative loads.
5006 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5008 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5009 New pattern for data and control speculation checks.
5010 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5011 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5012 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5013 Auxiliary definitions for the patterns.
5014 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5015 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5017 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5019 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5020 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5021 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5022 New resource constraints.
5023 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5025 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5026 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5027 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5028 msched-in-control-spec, msched-ldc, msched-control-ldc,
5029 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5030 msched-prefer-non-control-spec-insns,
5031 msched-count-spec-in-critical-path): New flags to tune speculative
5033 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5034 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5035 msched-in-control-spec, msched-ldc, msched-control-ldc,
5036 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5037 msched-prefer-non-control-spec-insns,
5038 msched-count-spec-in-critical-path): Document new flags.
5040 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5042 * target.h (struct spec_info_def): New opaque declaration.
5043 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5044 speculate_insn, needs_block_p, gen_check,
5045 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5046 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5047 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5048 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5049 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5050 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5052 (TARGET_SCHED): Use new macros.
5053 * rtl.h (copy_DEPS_LIST_list): New prototype.
5054 * sched-int.h (struct sched_info): Change signature of new_ready field,
5055 adjust all initializations. New fields: add_remove_insn,
5056 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5057 region_head_or_leaf_p.
5058 (struct spec_info_def): New structure declaration.
5059 (spec_info_t): New typedef.
5060 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5061 recovery_block, orig_pat.
5062 (glat_start, glat_end): New variables declaraions.
5063 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5065 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5066 DETACH_LIFE_INFO, USE_GLAT.
5067 (enum SPEC_SCHED_FLAGS): New enumeration.
5068 (NOTE_NOTE_BB_P): New macro.
5069 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5070 attach_life_info, debug_spec_status, check_reg_live): New functions.
5071 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5072 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5074 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5075 * ddg.c (get_block_head_tail): Adjust all uses.
5076 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5077 (sms_sched_info): Initialize new fields.
5078 (contributes_to_priority): Removed.
5079 * haifa-sched.c (params.h): New include.
5080 (get_block_head_tail): Adjust all uses.
5081 (ISSUE_POINTS): New macro.
5082 (glat_start, glat_end): New global variables.
5083 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5084 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5085 old_last_basic_block, before_recovery, current_sched_info_var,
5086 rgn_n_insns, luid): New static variables.
5087 (insn_cost1): New function. Move logic from insn_cost to here.
5088 (find_insn_reg_weight1): New function. Move logic from
5089 find_insn_reg_weight to here.
5090 (reemit_notes, move_insn, max_issue): Change signature.
5091 (move_insn1): Removed.
5092 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5093 extend_bb): New static functions to support extension of scheduler's
5095 (generate_recovery_code, process_insn_depend_be_in_spec,
5096 begin_speculative_block, add_to_speculative_block,
5097 init_before_recovery, create_recovery_block, create_check_block_twin,
5098 fix_recovery_deps): New static functions to support
5099 generation of recovery code.
5100 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5101 restore_bb_notes, move_block_after_check, move_succs): New static
5102 functions to support ebb scheduling.
5103 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5104 functions to support handling of register live information.
5105 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5106 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5107 add_jump_dependencies): New static functions.
5108 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5109 consistancy checking.
5110 (debug_spec_status): New function to call from debugger.
5111 (priority): Added code to handle speculation checks.
5112 (rank_for_schedule): Added code to distinguish speculative instructions.
5113 (schedule_insn): Added code to handle speculation checks.
5114 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5115 Fixed to handle ebbs.
5116 (move_insn): Added code to handle ebb scheduling.
5117 (max_issue): Added code to use ISSUE_POINTS of instructions.
5118 (choose_ready): Added code to choose between speculative and
5119 non-speculative instructions.
5120 (schedule_block): Added code to handle ebb scheduling and scheduling of
5121 speculative instructions.
5122 (sched_init): Initialize new variables.
5123 (sched_finish): Free new variables. Print statistics.
5124 (try_ready): Added code to handle speculative instructions.
5125 * lists.c (copy_DEPS_LIST_list): New function.
5126 * sched-deps.c (extend_dependency_caches): New function. Move logic
5127 from create_dependency_caches to here.
5128 (get_dep_weak, ds_merge): Make global.
5129 * genattr.c (main): Code to output prototype for
5130 dfa_clear_single_insn_cache.
5131 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5132 (output_dfa_clean_insn_cache_func): Code to output
5133 dfa_clear_single_insn_cache function.
5134 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5136 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5138 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5139 New static variables.
5140 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5141 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5143 (ebb_sched_info): Initialize new fields.
5144 (get_block_head_tail): Adjust all uses.
5145 (compute_jump_reg_dependencies): Fixed to use glat_start.
5146 (schedule_ebb): Code to remove unreachable last block.
5147 (schedule_ebbs): Added code to update register live information.
5148 * sched-rgn.c (region_sched_info): Initialize new fields.
5149 (get_block_head_tail): Adjust all uses.
5150 (last_was_jump): Removed. Adjust users.
5151 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5152 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5153 Implement new hooks.
5154 (check_dead_notes1): New static function.
5155 (struct region): New fields: dont_calc_deps, has_real_ebb.
5156 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5157 (BB_TO_BLOCK): Fixed to handle EBBs.
5158 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5159 (ebb_head): New static variable.
5160 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5161 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5163 (compute_dom_prob_ps): New assertion.
5164 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5165 global_live_at_start.
5166 (init_ready_list): New assertions.
5167 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5168 (new_ready): Add support for BEGIN_CONTROL speculation.
5169 (schedule_insns): Fixed code that updates register live information
5171 (schedule_region): Fixed to handle EBBs.
5172 (init_regions): Use extend_regions and check_dead_notes1.
5173 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5174 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5175 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5176 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5177 TARGET_SCHED_GEN_CHECK,
5178 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5179 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5180 * doc/invoke.texi (max-sched-insn-conflict-delay,
5181 sched-spec-prob-cutoff): Document.
5183 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5185 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5186 inter_tick, queue_index.
5187 (struct sched_info): Change signature of init_ready_list field.
5188 Adjust all initializations.
5189 (RESOLVED_DEPS): New access macro.
5190 (ready_add): Remove prototype.
5191 (try_ready): Add prototype.
5192 * sched-rgn.c (init_ready_list): Use try_ready.
5193 (schedule_region): Initialize
5194 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5195 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5196 (init_ready_list): Use try_ready.
5197 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5198 * lists.c (remove_list_elem): Remove `static'.
5199 (remove_free_INSN_LIST_elem): New function.
5200 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5201 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5202 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5204 (readyp): New variable.
5205 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5206 change_queue_index, resolve_dep): New static functions.
5207 (try_ready): New function. Adjust callers in sched-rgn.c and
5208 sched-ebb.c to use it instead of ready_add.
5209 (clock_var): Move at the begining of file.
5210 (rank_for_schedule): Fix typo.
5211 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5212 (ready_lastpos): Enforce assertion.
5213 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5215 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5216 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5217 (queue_to_ready): Use free_INSN_LIST_list.
5218 (early_queue_to_ready): Fix typo.
5219 (schedule_block): Init readyp. Move init_ready_list call after the
5220 initialization of clock_var. Fix error in rejecting insn by
5221 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5222 that previously corrected INSN_TICKs. Add code for handling
5224 (set_priorities): Fix typo.
5225 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5226 Clarify comment and code that keeps current_sched_info->next_tail
5229 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5231 * sched-rgn.c (extend_rgns): New static function.
5232 (find_rgns): Use it.
5233 (gather_region_statistics, print_region_statistics): New static
5235 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5236 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5238 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5239 Andrey Belevantsev <abel@ispras.ru>
5241 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5242 * lists.c (unused_deps_list): New variable.
5243 (free_list): Add assertions to verify the proper distinguishing
5244 between INSN_LISTs and DEPS_LISTs.
5245 (find_list_elem, remove_list_elem, remove_list_node): New static
5247 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5248 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5249 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5250 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5252 (free_INSN_LIST_node): Likewise.
5253 * modulo-sched.c (current_sched_info): Initialize flags field.
5254 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5255 * rtl.def (DEPS_LIST): Define.
5256 * rtl.h: Declare new functions from lists.c.
5257 * sched-deps.c (spec_dependency_cache): New static variable.
5258 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5259 (add_dependence): Change return type to void. Move the logic to ...
5260 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5261 (delete_all_dependences): Add comment about forward_dependency_cache.
5262 Handle spec_dependency_cache. Handle DEPS_LISTs.
5263 (fixup_sched_groups): Clarify the change of priority of output
5264 and anti dependencies.
5265 (sched_analyze_2): Adjust add_dependence calls to create data
5266 speculative dependence.
5267 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5268 Adjust all callers. Handle DEPS_LISTS.
5269 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5270 presence of speculation.
5271 (init_dependency_caches, free_dependency_caches):
5272 Handle spec_dependency_cache.
5273 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5274 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5275 New static functions.
5276 (add_or_update_back_dep, add_or_update_back_forw_dep,
5277 add_back_forw_dep, delete_back_forw_dep): New functions.
5278 * sched-int.h (ds_t, dw_t): New typedefs.
5279 (struct sched_info): Add new field flags.
5280 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5281 Prototype new sched-deps.c functions.
5282 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5283 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5284 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5285 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5286 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5287 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5289 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5291 * sched-rgn.c (current_sched_info): Initialize flags field.
5292 (schedule_insns): Initialize current_sched_info before the sched_init
5294 * sched-ebb.c (current_sched_info): Initialize flags field.
5295 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5296 Call add_or_update_back_dep instead of add_dependence.
5297 Create control speculative dependencies.
5298 (schedule_insns): Initialize current_sched_info before the sched_init
5301 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5303 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5305 (sh_fallback_frame_state): Likewise.
5307 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5309 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5310 Do switch on default_use_cxa_atexit.
5311 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5312 * config/darwin-crt3.o: New.
5313 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5314 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5315 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5317 * config/rs6000/t-darwin: Move crt2.o building to here.
5318 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5319 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5322 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5324 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5325 from '! xxx' to '!xxx' for coding-style conformance.
5326 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5327 (EXTRA_CONSTRAINT): Likewise.
5328 * config/vax/vax.md (four unnamed insns): Likewise.
5330 2006-03-15 Paul Brook <paul@codesourcery.com>
5332 * config/arm/arm.c (minipool_pad): New.
5333 (add_minipool_forward_ref): Include pool alignment padding in address
5335 (push_minipool_fix): Set minipool_pad.
5336 (minipool_pad): Ditto.
5338 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5340 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5341 instead of GET_CODE() == MEM and REG_P() instead of
5343 (print_operand_address): Likewise.
5344 (vax_address_cost): Likewise.
5345 (vax_rtx_costs): Likewise.
5346 (vax_notice_update_cc): Likewise.
5347 (vax_output_int_add): Likewise.
5348 (INDEX_REGISTER_P): Likewise.
5349 (BASE_REGISTER_P): Likewise.
5350 (nonindexed_address_p): Likewise.
5351 (vax_mode_dependent_address_p): Likewise.
5352 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5353 (PRINT_OPERAND): Likewise.
5354 * config/vax/vax.md (ashlsi3): Likewise.
5355 (ashlsi3): Likewise.
5356 (some more unnamed insns): Likewise.
5358 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5360 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5361 iterator-style macro.
5362 (mark_control_dependent_edges_necessary): Update the use of
5363 EXECUTE_IF_CONTROL_DEPENDENT.
5365 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5367 * config/sh/predicates.md (cache_address_operand): Special.
5368 (ua_address_operand): Likewise.
5370 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5372 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5374 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5376 2006-03-15 Andreas Schwab <schwab@suse.de>
5378 * gensupport.c (identify_predicable_attribute): Don't free p_false
5379 when it is still in use.
5381 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5383 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5384 the default setting here.
5386 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5388 * tree-pass.h (pass_cfg): Remove.
5389 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5390 * passes.c (pass_cfg): Don't run it.
5392 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5394 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5395 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5397 (stack_regs_mentioned): Update the uses of
5398 stack_regs_mentioned_data. Don't access the array beyond its
5400 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5401 Don't include gt-reg-stack.h.
5403 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5404 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5406 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5409 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5412 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5414 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5416 2006-03-14 Richard Guenther <rguenther@suse.de>
5418 PR tree-optimization/26672
5419 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5422 2006-03-14 Richard Guenther <rguenther@suse.de>
5424 PR tree-optimization/26667
5425 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5426 node for the callees. Always allow inlining if it will shrink
5429 2006-03-14 Richard Guenther <rguenther@suse.de>
5432 * builtins.c (get_pointer_alignment): Prefer alignment
5433 information from decls over that from types.
5435 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5438 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5440 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5442 * config/rs6000/rs6000.opt (mdlmzb): New option.
5443 (msched-prolog, msched-epilog): Use Var not Mask.
5444 * doc/invoke.texi (-mdlmzb): Document.
5445 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5447 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5448 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5450 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5452 PR rtl-optimization/25739
5453 * bt-load.c (augment_live_range): Free tos pointer.
5455 * gensupport.c (identify_predicable_attribute): Free
5457 * gcov.c (create_file_names): Free name pointer.
5459 2006-03-13 Roger Sayle <roger@eyesopen.com>
5462 * stmt.c (emit_case_nodes): Handle the case where the index is a
5463 CONST_INT, where the comparison mode is specified by the index type.
5465 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5467 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5470 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5472 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5473 (*branch_fp_inverted): Likewise.
5475 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5478 * omp-low.c (expand_omp_for_generic): Mark istart0
5479 and iend0 as addressable.
5481 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5483 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5485 2006-03-13 Jeff Law <law@redhat.com>
5487 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5488 virtual operands are interesting.
5489 (vrp_visit_stmt): Corresponding changes.
5491 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5493 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5495 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5496 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5497 * config/bfin/crti.S: Use it instead of __PIC__.
5498 * config/bfin/crtn.S: Likewise.
5500 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5501 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5503 Lose 'G' modifier for call operand.
5504 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5505 recognize 'G' modifier.
5507 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5510 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5511 * stmt.c (expand_case): Likewise.
5513 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5515 PR rtl-optimization/26254
5516 * loop-invariant.c (seq_insns_valid_p): New function.
5517 (move_invariant_reg): Only emit new code if it is valid.
5519 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5521 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5523 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5524 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5525 (commit_one_edge_insertion): Do not look for loop notes.
5527 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5529 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5530 flag_test_coverage out of loop.
5532 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5534 * final.c (shorten_branches): Remove outdated comment, and turn
5535 the if branch that guards it to continue.
5537 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5539 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5540 * cfgloop.h (struct loop): Remove unused fields.
5542 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5544 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5545 (-dL, -fdump-rtl-loop2): Update the dump file names
5547 * doc/invoke.texi: Update dump file names.
5549 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5551 * predict.c (estimate_probability): Remove.
5552 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5553 * basic-block.h (estimate_probability): Remove prototype.
5554 * passes.c (finish_optimization_passes): Dump branch prediction or
5555 profiling heuristics to the .profile tree dump.
5556 (init_optimization_passes): Unqueue pass_branch_prob.
5558 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5560 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5562 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5563 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5565 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5567 * function.h (frame_offset_overflow): Declare.
5568 * function.c (frame_offset_overflow): New function.
5569 (assign_stack_local_1): Call it to detect that the offset overflows.
5570 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5572 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5574 * config/sh/sh.c: Include alloc-pool.h.
5575 (label_ref_list_pool): New alloc pool.
5576 (label_ref_list_t): New type for lists of labels.
5577 (struct pool_node): Make wend a label_ref_list_t.
5578 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5580 (dump_table): Likewise.
5581 (sh_reorg): Set up the alloc pool before using add_constant and
5582 dump_table, and destroy it when finishing.
5584 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5586 * config/mips/mips.c: Remove redundant comment.
5588 2006-03-10 Jason Merrill <jason@redhat.com>
5591 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5592 the target was declared 'register'.
5594 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5596 * genpreds.c (write_insn_constraint_len): Change definition of
5597 insn_constraint_len to return size_t to match the declaration.
5599 2006-03-10 DJ Delorie <dj@redhat.com>
5601 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5603 (m32c_expand_insv): Fix test for an AND mask.
5605 2006-03-10 Richard Guenther <rguenther@suse.de>
5608 * builtins.c (get_pointer_alignment): Handle component
5609 references for field alignment.
5611 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5613 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5614 when building with libgloss.
5615 (sh*elf): Implement --without-fp option.
5616 (sh64-superh-linux*): Don't multilib.
5618 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5620 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5622 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5624 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5625 Set it when one of the replacement functions returned true.
5626 Return TODO_cleanup_cfg if cfgchanged is true.
5627 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5629 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5631 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5632 instead of gen_lowpart.
5634 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5636 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5638 (mips_output_order_conditional_branch): Declare.
5639 * config/mips/mips.h (MIPS_BRANCH): New macro.
5640 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5641 for the comparison. Use gen_condjump.
5642 (mips_output_conditional_branch): Rework interface to take the
5643 asm templates for a direct branch and the inverse of a direct branch.
5644 (mips_output_order_conditional_branch): New function.
5645 (mips_builtin_branch_and_move): New function.
5646 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5647 branch condition. Use gen_single_cc as the condition for
5648 __builtin_mips_upper_* or __builtin_mips_lower_*.
5649 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5650 Use VOIDmode for the branch condition.
5651 * config/mips/predicates.md (order_operator): New predicate.
5652 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5653 (branch_fp): Rename to...
5654 (*branch_fp): ...this. Remove mode from comparison operator.
5655 Use new mips_output_conditional_branch interface.
5656 (branch_fp_inverted): Rename to...
5657 (*branch_fp_inverted): ...this and update as for *branch_fp.
5658 (*branch_zero<mode>): Rename to...
5659 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5660 Use mips_output_order_conditional_branch. Only accept ordered
5662 (*branch_zero<mode>_inverted): Rename to...
5663 (*branch_order<mode>_inverted): ...this and update as for
5664 *branch_order<mode>.
5665 (*branch_equality<mode>): Accept zero as the second operand to
5666 the equality operator. Use the new mips_output_conditional_branch
5668 (*branch_equality<mode>_inverted): Likewise.
5669 (condjump): New expander.
5670 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5672 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5673 (bc1any2t, bc1any2f): Likewise.
5674 (single_cc): New expander.
5675 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5677 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5679 * doc/md.texi: Update documentation of MIPS constraints.
5680 * config/mips/constraints.md: New file.
5681 * config/mips/mips.md: Include it.
5682 * config/mips/mips.c (mips_char_to_class): Delete.
5683 (override_options): Don't initialize mips_char_to_class.
5684 * config/mips/mips.h (mips_char_to_class): Delete.
5685 (REG_CLASS_FROM_LETTER): Delete.
5686 (CONST_OK_FOR_LETTER_P): Delete.
5687 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5688 (EXTRA_CONSTRAINT_Y): Delete.
5689 (EXTRA_CONSTRAINT_STR): Delete.
5690 (CONSTRAINT_LEN): Delete.
5691 (EXTRA_MEMORY_CONSTRAINT): Delete.
5693 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5695 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5696 original fn's eh regions.
5698 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5700 * fold-const.c (build_range_check): Make sure to use a valid type to
5701 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5704 (range_predecessor): New static function.
5705 (range_successor): Likewise.
5706 (merge_ranges): Use them to compute predecessors and successors of
5709 2006-03-09 Roger Sayle <roger@eyesopen.com>
5712 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5713 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5715 2006-03-08 DJ Delorie <dj@redhat.com>
5717 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5718 (addpsi3): Expand to include memory operands. Remove
5719 reload-specific splits.
5720 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5721 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5722 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5723 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5724 (shift1_qi, shift1_hi, insv): New.
5725 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5726 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5727 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5729 * config/m32c/m32c-protos.h: Update as needed.
5730 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5731 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5732 Fail for unrecognized R* constraints.
5733 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5734 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5735 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5737 (m32c_init_libfuncs): New.
5738 (m32c_legitimate_address_p): Add debug wrapper.
5739 (m32c_rtx_costs): New.
5740 (m32c_address_cost): New.
5741 (conversions): Add 'B' prefix.
5742 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5743 operands, or word regnames for QI operands. 'B' prints bit
5745 (m32c_expand_setmemhi): New.
5746 (m32c_expand_movmemhi): New.
5747 (m32c_expand_movstr): New.
5748 (m32c_expand_cmpstr): New.
5749 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5750 (m32c_expand_neg_mulpsi3): Handle non-ints.
5751 (m32c_cmp_flg_0): New.
5752 (m32c_expand_movcc): New.
5753 (m32c_expand_insv): New.
5754 (m32c_scc_pattern): New.
5755 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5756 a0/a1 out of SIregs.
5757 (STORE_FLAG_VALUE): New.
5758 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5761 * config/m32c/mov.md: Make constraints more liberal.
5762 (zero_extendqihi2): Optimize r0/r1 case.
5763 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5764 * config/m32c/predicates.md (m32c_any_operand): New.
5765 (m32c_nonimmediate_operand): New.
5766 (m32c_hl_operand): New.
5767 (m32c_r3_operand): New.
5770 (memsym_operand): New.
5771 (memimmed_operand): New.
5772 (a_qi_operand): New.
5773 (m32c_eqne_operator): New.
5774 (m32c_1bit8_operand): New.
5775 (m32c_1bit16_operand): New.
5776 (m32c_1mask8_operand): New.
5777 (m32c_1mask16_operand): New.
5778 * config/m32c/blkmov.md: New file.
5779 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5781 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5783 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5784 unsigned to fix signed/unsigned comparison issue in
5785 DWARF2_FRAME_REG_OUT.
5786 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5787 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5789 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5790 of ptr into the ENABLE_CHECKING section.
5792 2006-03-08 Jeff Law <law@redhat.com>
5794 * tree-vrp.c (infer_value_range): Only count pointer uses
5795 and dereferences if -fdelete-null-pointer-checks is enabled.
5797 * tree-vrp.c (find_assert_locations): Infer value ranges for
5798 single use pointers, but do not create ASSERT_EXPRs for them.
5799 When a non-null range is inferred for a pointer, backwards
5800 propagate that range to other equivalent pointers through the
5803 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5806 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5807 language hook targets.
5808 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5809 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5810 if language hook targets were missing.
5812 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5814 * tree-ssa-opfinalize.h: Removed.
5815 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5817 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5818 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5819 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5820 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5821 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5822 finalize_ssa_v_must_def_ops): New.
5824 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5826 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5829 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5831 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5833 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5834 addresses with offsets; reorganize.
5836 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5837 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5838 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5840 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5843 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5845 2006-03-08 Ben Elliston <bje@au.ibm.com>
5847 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5849 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5852 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5855 2006-03-07 Richard Guenther <rguenther@suse.de>
5857 PR tree-optimization/26587
5858 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5860 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5862 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5864 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5866 * hooks.c (hook_bool_mode_rtx_true): New function.
5867 * hooks.h (hook_bool_mode_rtx_true): Declare.
5868 * toplev.c (compile_file): Call output_shared_constant_pool.
5869 * varasm.c (shared_constant_pool): New variable.
5870 (assemble_start_function, assemble_end_function): Remove arguments
5871 from call to output_constant_pool.
5872 (create_constant_pool): New function, split out from...
5873 (init_varasm_status): ...here.
5874 (force_const_mem): Choose between the shared and per-function constant
5875 pools. Set current_function_uses_const_pool when reusing old entries
5876 as well as when creating new ones.
5877 (mark_constant): Ignore data argument.
5878 (mark_constants): Remove pool argument.
5879 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5880 to decide whether the function uses a constant pool.
5881 (output_constant_pool_contents): New function, split out from...
5882 (output_constant_pool): ...here.
5883 (output_shared_constant_pool): New function.
5884 (init_varasm_once): Initialize shared_constant_pool.
5885 * output.h (output_constant_pool): Delete.
5886 (output_shared_constant_pool): Declare.
5887 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5888 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5890 2006-03-06 Nick Clifton <nickc@redhat.com>
5892 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5893 flag_strength_reduce.
5895 2006-03-06 Ben Elliston <bje@au.ibm.com>
5897 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5898 x86_64-*-linux* configurations.
5900 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5901 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5903 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5905 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5907 * basic-block.h: Remove the extern for
5908 rediscover_loops_after_threading.
5910 * cfgloop.c (cancel_loop): Make it static.
5911 * cfgloop.h: Remove the prototype for cancel_loop.
5913 * flow.c (recompute_reg_usage): Make it static.
5914 * rtl.h: Remove the prototype for recompute_reg_usage.
5916 * function.c (use_return_register): Make it static.
5917 * function.h: Remove the prototype.
5919 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5921 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5923 * recog.h: Remove the prototype for
5924 validate_change_maybe_volatile.
5926 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5928 * rtlanal.c (replace_reg): Remove.
5929 * rtl.h: Remove the prototype for replace_reg.
5931 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5933 * regclass.c (reg_scan_update): Remove.
5934 (reg_scan_mark_refs): Remove the last argument.
5935 * rtl.h: Remove the prototype for reg_scan_update.
5937 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5939 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5940 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5941 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5942 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5943 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5944 loop-invariant.c, omp-low.c, opts.c, passes.c,
5945 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5946 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5947 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5948 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5949 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5950 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5952 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5954 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5955 * dwarf2out.h: Remove the prototype for
5956 dwarf2out_add_library_unit_info.
5958 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5960 * tree.c (add_var_to_bind_expr): Remove.
5961 * tree.h: Remove the prototype for add_var_to_bind_expr.
5963 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5965 * regclass.c (n_non_fixed_regs): Remove.
5966 (init_reg_sets_1, globalize_reg): Remove all uses of
5968 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5970 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5972 * rtlanal.c (insns_safe_to_move_p): Remove.
5973 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5975 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5977 * expmed.c (expand_mult_add): Remove.
5978 * expr.h: Remove the prototype for expand_mult_add.
5980 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5982 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5983 and REG_SAVED_VAL_EXP constants.
5984 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5985 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5986 Handle regs stored by value.
5987 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5988 (execute_cfa_program): Handle DW_CFA_val_offset,
5989 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5990 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5991 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5992 (uw_install_context_1): Handle target regs stored by value.
5994 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5996 * tree-sra.c (tree_sra): Return todoflags;
5997 (generate_one_element): Set TODO_update_smt_usage if needed.
5998 (pass_sra): Remove TODO_update_smt_usage.
5999 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6001 (tree_ssa_forward_propagate_single_use_vars): Return
6002 TODO_update_smt_usage if we need to update SMT usage.
6003 (pass_forwprop): Remove TODO_update_smt_usage.
6005 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6007 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6008 (correct_use_link): Remove reference to get_stmt_operands.
6009 (update_stmt_operands): Likewise.
6010 (get_modify_expr_operands): New function factored out of
6011 parse_ssa_operands and get_expr_operands.
6012 Try to create V_MUST_DEFs for LHS by default.
6013 (get_expr_operands) <case MODIFY_EXPR>: Call
6014 get_modify_expr_operands.
6015 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6016 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6017 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6018 get_modify_expr_operands.
6020 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6022 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6023 * tree-flow.h: Remove the prototype for
6024 referenced_var_lookup_if_exists.
6026 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6028 PR rtl-optimization/26345
6030 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6032 2006-03-03 Roger Sayle <roger@eyesopen.com>
6034 PR tree-optimization/26524
6035 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6036 fold_convert to create a constant of the appropriate type.
6038 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6040 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6041 SYMBOL_REF_IN_BLOCK_P.
6042 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6043 of SYMBOL_FLAG_IN_BLOCK.
6044 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6045 instead of SYMBOL_REF_IN_BLOCK_P.
6046 * explow.c (use_anchored_address): Likewise.
6047 * rtl.c (rtx_size): Likewise.
6048 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6049 instead of SYMBOL_FLAG_IN_BLOCK.
6050 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6051 SYMBOL_REF_IN_BLOCK_P.
6052 (assemble_variable): Likewise.
6053 (output_constant_def_contents): Likewise.
6054 (output_constant_pool): Likewise.
6055 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6056 instead of SYMBOL_FLAG_IN_BLOCK.
6057 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6058 SYMBOL_REF_IN_BLOCK_P.
6059 (SYMBOL_REF_BLOCK): Likewise.
6060 (SYMBOL_REF_OFFSET): Likewise.
6061 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6062 SYMBOL_REF_IN_BLOCK_P.
6063 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6064 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6065 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6066 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6068 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6070 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6072 2006-03-02 Roger Sayle <roger@eyesopen.com>
6074 * simplify-rtx.c (simplify_unary_operation): When simplifying
6075 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6076 that we perform the right shift in the appropriate mode, and
6077 then extend or truncate the result to requested mode.
6079 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6081 * gengtype.c (main): Handle double_int type.
6082 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6083 * double-int.c: New file.
6084 * double-int.h: New file.
6085 * system.h: Include doubleint.h.
6086 * Makefile.in (SYSTEM_H): Include double-int.h.
6087 (double-int.o): Add.
6089 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6092 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6095 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6097 * tree-vrp.c (remove_range_assertions): Do not update statements
6100 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6102 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6104 * gcse.c (rest_of_handle_gcse): Ditto.
6105 * except.c (gate_handle_eh): Ditto.
6106 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6107 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6109 2006-03-02 Eric Christopher <echristo@apple.com>
6111 * config/i386/i386.c (machopic_output_stub): Add indirection to
6114 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6118 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6120 Sun Niagara specific optimizations.
6121 * config.gcc: Recognize niagara as target.
6122 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6123 (TARGET_CPU_niagara): Define.
6124 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6125 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6126 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6127 (ASM_CPU_SPEC): Likewise.
6128 (PROCESSOR_NIAGARA): New enum entry.
6129 (REGISTER_MOVE_COST): Handle Niagara.
6130 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6131 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6132 (sparc_override_options): Recognize "niagara", set appropriate
6133 default MASK_* values for it, and align functions to 32-bytes
6134 by default just like ULTRASPARC/ULTRASPARC3.
6135 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6136 (sparc64_initialize_trampoline): Likewise.
6137 (sparc_use_sched_lookahead): Use zero for niagara.
6138 (sparc_issue_rate): Use one for niagara.
6139 * config/sparc/niagara.md: New file.
6140 * config/sparc/sparc.md: Include it.
6141 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6142 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6143 when default cpu is niagara.
6144 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6145 (ASM_CPU_SPEC): Likewise.
6146 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6147 when default cpu is niagara.
6148 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6149 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6150 just like v9/ultrasparc/ultrasparc3.
6151 * doc/invoke.texi: Add documentation for "niagara" and improve
6152 existing documentation for ultrasparc variants.
6154 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6156 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6158 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6160 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6161 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6162 and say that only one is needed.
6163 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6164 * target.h (have_switchable_bss_sections): New hook.
6165 * explow.c (use_anchored_address): Check that the symbol is in a block.
6166 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6167 (bss_noswitch_section): New variables.
6168 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6169 (get_noswitch_section): New function.
6170 (get_block_for_section): Allow SECT to be null.
6171 (unlikely_text_section_p): Use SECTION_STYLE.
6172 (bss_initializer_p): New function.
6173 (get_variable_section): Move earlier in file. Take a new argument,
6174 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6175 Return one of the new *_sections in such cases.
6176 (get_block_for_decl): New function, extracting some logic from
6177 use_blocks_for_decl_p.
6178 (change_symbol_section): Remove in favor of...
6179 (change_symbol_block): ...this new function.
6180 (use_blocks_for_decl_p): Remove checks now performed by
6182 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6183 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6184 (emit_local, emit_bss, emit_common): ...these new functions.
6185 Return true if the alignment was honored.
6186 (emit_tls_common): New function.
6187 (asm_emit_uninitialised): Delete.
6188 (assemble_variable_noswitch): New function, split out from...
6189 (assemble_variable): ...here. Don't make decisions about common
6190 variables here. Globalize all public decls that go into non-common
6191 sections. Check whether SYMBOL_REF_BLOCK is null.
6192 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6193 (output_constant_pool): Likewise.
6194 (init_varasm_once): Initialize the new section variables.
6195 (have_global_bss_p): New function.
6196 (categorize_decl_for_section): Use bss_initializer_p.
6197 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6198 (place_block_symbol): Assert that the symbol must be in a block.
6199 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6200 (TARGET_INITIALIZER): Include it.
6201 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6202 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6203 (SECTION_MACH_DEP): Bump by two.
6204 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6205 (unnamed_section): Mention SECTION_UNNAMED in comment.
6206 (named_section): Likewise SECTION_NAMED.
6207 (noswitch_section_callback): New type.
6208 (noswitch_section): New structure.
6209 (section): Add a noswitch_section alternative.
6210 (SECTION_STYLE): New macro.
6211 (tls_comm_section, comm_section, lcomm_section): Declare.
6212 (bss_noswitch_section, have_global_bss_p): Declare.
6213 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6214 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6216 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6217 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6220 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6222 * tree-vrp.c (execute_vrp): Return value.
6223 * regrename.c (rest_of_handle_regrename): Ditto.
6224 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6225 * tree-complex.c (tree_lower_complex): Ditto.
6226 (tree_lower_complex_O0): Ditto.
6227 * tracer.c (rest_of_handle_tracer): Ditto.
6228 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6229 * postreload.c (rest_of_handle_postreload): Ditto.
6230 * tree-tailcall.c (execute_tail_recursion): Ditto.
6231 (execute_tail_calls): Ditto.
6232 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6233 * tree.h (init_function_for_compilation): Ditto.
6234 * ipa-cp.c (ipcp_driver): Ditto.
6235 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6236 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6237 * final.c (compute_alignments): Ditto.
6238 (rest_of_handle_final): Ditto.
6239 (rest_of_handle_shorten_branches): Ditto.
6240 (rest_of_clean_state): Ditto.
6241 * omp-low.c (execute_expand_omp): Ditto.
6242 (execute_lower_omp): Ditto.
6243 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6244 * ipa-reference.c (static_execute): Ditto.
6245 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6246 * reorg.c (rest_of_handle_delay_slots): Ditto.
6247 (rest_of_handle_machine_reorg): Ditto.
6248 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6249 * flow.c (recompute_reg_usage): Ditto.
6250 (rest_of_handle_remove_death_notes): Ditto.
6251 (rest_of_handle_life): Ditto.
6252 (rest_of_handle_flow2): Ditto.
6253 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6254 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6255 (do_ssa_store_ccp): Ditto.
6256 (execute_fold_all_builtins): Ditto.
6257 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6258 * modulo-sched.c (rest_of_handle_sms): Ditto.
6259 * ipa-pure-const.c (static_execute): Ditto.
6260 * cse.c (rest_of_handle_cse): Ditto.
6261 (rest_of_handle_cse2): Ditto.
6262 * web.c (rest_of_handle_web): Ditto.
6263 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6264 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6265 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6266 * tree-nrv.c (tree_nrv): Ditto.
6267 (execute_return_slot_opt): Ditto.
6268 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6269 (create_structure_vars): Ditto.
6270 * loop-init.c (rtl_loop_init): Ditto.
6271 (rtl_loop_done): Ditto.
6272 (rtl_move_loop_invariants): Ditto.
6273 (rtl_unswitch): Ditto.
6274 (rtl_unroll_and_peel_loops): Ditto.
6275 (rtl_doloop): Ditto.
6276 * gimple-low.c (lower_function_body): Ditto.
6277 (mark_used_blocks): Ditto.
6278 * tree-ssa-sink.c (execute_sink_code): Ditto.
6279 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6280 (cgraph_early_inlining): Ditto.
6281 * global.c (rest_of_handle_global_alloc): Ditto.
6282 * jump.c (cleanup_barriers): Ditto.
6283 (purge_line_number_notes): Ditto.
6284 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6285 (rest_of_handle_if_after_reload): Ditto.
6286 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6287 (tree_ssa_loop_im): Ditto.
6288 (tree_ssa_loop_unswitch): Ditto.
6289 (tree_vectorize): Ditto.
6290 (tree_linear_transform): Ditto.
6291 (tree_ssa_loop_ivcanon): Ditto.
6292 (tree_ssa_empty_loop): Ditto.
6293 (tree_ssa_loop_bounds): Ditto.
6294 (tree_complete_unroll): Ditto.
6295 (tree_ssa_loop_prefetch): Ditto.
6296 (tree_ssa_loop_ivopts): Ditto.
6297 (tree_ssa_loop_done): Ditto.
6298 * predict.c (tree_estimate_probability): Ditto.
6299 * recog.c (split_all_insns_noflow): Ditto.
6300 (rest_of_handle_peephole2): Ditto.
6301 (rest_of_handle_split_all_insns): Ditto.
6302 * tree-eh.c (lower_eh_constructs): Ditto.
6303 * regmove.c (rest_of_handle_regmove): Ditto.
6304 (rest_of_handle_stack_adjustments): Ditto.
6305 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6306 * function.c (instantiate_virtual_regs): Ditto.
6307 (init_function_for_compilation): Ditto.
6308 (rest_of_handle_check_leaf_regs): Ditto.
6309 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6310 (rest_of_handle_gcse): Ditto.
6311 * ipa-type-escape.c (type_escape_execute): Ditto.
6312 * alias.c (rest_of_handle_cfg): Ditto.
6313 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6314 * profile.c (rest_of_handle_branch_prob): Ditto.
6315 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6316 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6317 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6318 * tree-dfa.c (find_referenced_vars): Ditto.
6319 * except.c (set_nothrow_function_flags): Ditto.
6320 (convert_to_eh_region_ranges): Ditto.
6321 (rest_of_handle_eh): Ditto.
6322 * emit-rtl.c (unshare_all_rtl): Ditto.
6323 (remove_unnecessary_notes): Ditto.
6324 * except.h (set_nothrow_function_flags): Ditto.
6325 (convert_to_eh_region_ranges): Ditto.
6326 * cfgexpand.c (tree_expand_cfg): Ditto.
6327 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6328 * tree-ssa-pre.c (do_pre): Ditto.
6329 (execute_fre): Ditto.
6330 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6331 (rest_of_handle_jump2): Ditto.
6332 * tree-sra.c (tree_sra): Ditto.
6333 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6334 (execute_mudflap_function_decls): Ditto.
6335 * tree-ssa-copy.c (do_copy_prop): Ditto.
6336 (do_store_copy_prop): Ditto.
6337 * ipa-prop.h (ipcp_driver): Ditto.
6338 * cfglayout.c (insn_locators_initialize): Ditto.
6339 * tree-ssa-forwprop.c
6340 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6341 * cfglayout.h (insn_locators_initialize): Ditto.
6342 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6343 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6344 (execute_late_warn_uninitialized): Ditto.
6345 * rtl.h (cleanup_barriers): Ditto.
6346 (split_all_insns_noflow): Ditto.
6347 (purge_line_number_notes): Ditto.
6348 (unshare_all_rtl): Ditto.
6349 (remove_unnecessary_notes): Ditto.
6350 (recompute_reg_usage): Ditto.
6351 (variable_tracking_main): Ditto.
6352 * integrate.c (emit_initial_value_sets): Ditto.
6353 * integrate.h (emit_initial_value_sets): Ditto.
6354 * tree-optimize.c (execute_free_datastructures): Ditto
6355 (execute_free_cfg_annotations): Ditto.
6356 (execute_fixup_cfg): Ditto.
6357 (execute_cleanup_cfg_pre_ipa): Ditto.
6358 (execute_cleanup_cfg_post_optimizing): Ditto.
6359 (execute_init_datastructures): Ditto.
6360 * tree-object-size.c (compute_object_sizes): Ditto.
6361 * combine.c (rest_of_handle_combine): Ditto.
6362 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6363 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6364 (rest_of_handle_reorder_blocks): Ditto.
6365 (rest_of_handle_partition_blocks): Ditto.
6366 * var-tracking.c (variable_tracking_main): Ditto.
6367 * tree-profile.c (tree_profiling): Ditto.
6368 * tree-vect-generic.c (expand_vector_operations): Ditto.
6369 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6370 * sched-rgn.c (rest_of_handle_sched): Ditto.
6371 (rest_of_handle_sched2): Ditto.
6372 * basic-block.h (free_bb_insn): Ditto.
6373 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6374 * tree-cfg.c (execute_build_cfg): Ditto.
6375 (remove_useless_stmts): Ditto.
6376 (split_critical_edges): Ditto.
6377 (execute_warn_function_return): Ditto.
6378 (execute_warn_function_noreturn): Ditto.
6379 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6380 * cfgrtl.c (free_bb_for_insn): Ditto.
6381 * passes.c (execute_one_pass): Run additional
6382 todos returned by execute function.
6383 * tree-pass.h (struct tree_opt_pass): Make execute
6386 2006-03-02 Richard Guenther <rguenther@suse.de>
6388 * tree-ssa-alias.c (find_used_portions): Consider taking
6389 the address as making the variable not write-only.
6391 2006-03-02 Nick Clifton <nickc@redhat.com>
6393 * config.gcc (default_use_cxa_atexit): Extend the description of
6394 this configure variable. Set its default value to "yes" for
6395 Linux, NetBSD and ELF targets on the assumption that they will
6396 use C libraries with the __cxa_atexit function.
6398 2006-03-02 Ben Elliston <bje@au.ibm.com>
6400 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6401 parameter as unused to suppress a build warning.
6403 2006-03-02 Ben Elliston <bje@au.ibm.com>
6405 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6408 2006-03-01 Roger Sayle <roger@eyesopen.com>
6411 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6412 declared name, the weak reference name, and the typeof name.
6413 (__gthrw): Avoid expanding the declared name suffix.
6414 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6416 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6418 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6420 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6421 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6422 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6423 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6424 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6425 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6426 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6427 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6428 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6429 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6430 (DW_END_default, DW_END_big, DW_END_little): New.
6431 (DW_END_lo_user, DW_END_hi_user): Define.
6432 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6433 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6434 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6437 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6439 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6441 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6443 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6445 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6447 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6448 to 'symbol_mem_tag'.
6450 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6453 2006-03-01 Roger Sayle <roger@eyesopen.com>
6455 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6457 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6460 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6461 MACHO_DYNAMIC_NO_PIC_P.
6462 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6464 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6467 * config/darwin-protos.h (darwin_asm_output_anchor):
6469 * config/darwin-sections.def (cstring_section):
6470 Add SECTION_MERGE to the flags.
6471 (literal4_section): Likewise.
6472 (literal8_section): Likewise.
6473 (objc_selector_refs_section): Likewise.
6474 (objc_cls_refs_section): Likewise.
6475 * config/darwin.c (darwin_asm_output_anchor): New
6477 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6479 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6481 Fix PR tree-optimization/26443
6482 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6483 to todo and PROP_tmt_usage to properties_destroyed.
6484 * tree-ssa-ccp.c (pass_ccp): Ditto.
6485 (pass_store_ccp): Ditto.
6486 * tree-ssa-dom.c (pass_dominator): Ditto.
6488 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6490 * tree-ssa-operands.c: Cleanup whitespace.
6491 (get_asm_expr_operands): Move before first invocation.
6492 (get_indirect_ref_operands): Likewise.
6493 (get_tmr_operands): Likewise.
6494 (get_call_expr_operands): Likewise.
6495 (append_def): Likewise.
6496 (append_use): Likewise.
6497 (append_v_may_def): Likewise.
6498 (append_v_must_def): Likewise.
6499 (add_call_clobber_ops): Likewise.
6500 (add_call_read_ops): Likewise.
6501 (add_stmt_operand): Likewise.
6502 (add_virtual_operand): Likewise.
6503 (build_ssa_operands): Likewise.
6505 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6510 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6511 with a call expr to ...
6512 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6514 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6516 * tree-vrp.c (extract_range_from_assert): Remove special
6517 handling for types with super-types.
6519 2006-03-01 Ben Elliston <bje@au.ibm.com>
6521 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6522 and powerpc64-*-linux* configurations.
6523 * config/t-dfprules: New file.
6525 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6526 Compile dfp-bit.c from the source directory using -DWIDTH and
6527 $DFP_CFLAGS to control the compilation of that file, rather than
6528 generating width-specific versions in the build directory.
6529 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6530 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6532 2006-02-28 Zack Weinberg <zackw@panix.com>
6534 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6537 2006-02-28 Eric Christopher <echristo@apple.com>
6539 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6540 Set up IN_LIBGCC definition of TARGET_64BIT.
6541 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6543 2006-02-28 Roger Sayle <roger@eyesopen.com>
6546 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6547 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6548 cases via the construction of "expr != 0".
6550 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6552 * alias.c (alias_invariant, alias_invariant_size): Remove.
6553 (record_base_value): Remove.
6554 (memrefs_conflict_p): Don't look at alias_invariant.
6555 (end_alias_analysis): Don't free it.
6556 * alias.h (record_base_value): Remove prototype.
6558 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6559 Adam Nemet <anemet@caviumnetworks.com>
6561 * rtl.h (truncated_to_mode): Declare it.
6562 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6563 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6564 (RTL_HOOKS_INITIALIZER): Include it.
6565 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6566 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6567 reg_truncated_to_mode.
6568 * rtlanal.c (truncated_to_mode): Define it.
6569 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6571 2006-02-28 Jeff Law <law@redhat.com>
6573 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6574 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6575 the range allowed by TYPE_PRECISION.
6577 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6579 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6581 PR tree-optimization/26419
6582 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6585 2006-02-27 Zack Weinberg <zackw@panix.com>
6587 * doc/md.texi: Fix typo in previous change.
6589 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6593 2006-02-27 Zack Weinberg <zackw@panix.com>
6595 * rtl.def (define_constraint, define_register_constraint)
6596 (define_memory_constraint, define_address_constraint): New MD forms.
6597 * gensupport.c (process_rtx): Put define_constraint etc on the
6599 * genpreds.c (process_define_predicate): Adjust comment. Validate
6600 the name, and call validate_exp to validate the expression.
6601 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6602 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6603 all callers changed.
6604 (validate_exp, needs_variable, struct constraint_data)
6605 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6606 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6607 (const_dbl_constraints, constraint_max_namelen)
6608 (have_register_constraints, have_memory_constraints)
6609 (have_address_constraints, have_address_constraints)
6610 (have_extra_constraints, have_const_int_constraints)
6611 (have_const_dbl_constraints, mangle, add_constraint)
6612 (process_define_constraint, process_define_register_constraint)
6613 (write_enum_constraint_num, write_lookup_constraint)
6614 (write_insn_constraint_len, write_regclass_for_constraint)
6615 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6616 (write_insn_extra_memory_constraint)
6617 (write_insn_extra_address_constraint)
6618 (write_satisfies_constraint_fns): New.
6619 (write_tm_preds_h): If we have new-style constraint definitions,
6620 prototype the functions generated from them, and define the
6621 old constraint interface (still used by generic code) in terms of
6623 (write_insn_preds_c): If we have new-style constraint definitions,
6624 generate all relevant functions from those definitions.
6625 (main): Handle define_constraint etc.
6626 * genoutput.c (struct constraint_data, indep_constraints)
6627 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6628 (mdep_constraint_len): New data structures and functions, defined
6629 #ifdef USE_MD_CONSTRAINTS.
6630 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6631 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6632 use new logic to validate operand constraints against constraint
6634 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6636 * defaults.h: If none of the old-style constraint macros are
6637 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6638 old-style macros; and poison REG_CLASS_FROM_LETTER,
6639 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6641 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6642 * doc/md.texi: Document new constraint-definition mechanism and the
6643 C interface it provides. Remove references to old mechanism
6644 elsewhere in the document.
6645 (Machine Constraints): Use pathnames relative to gcc directory,
6646 i.e. config/ARCH/FILE. Change i386 section to refer to
6647 config/i386/predicates.md; update that section to match docstrings.
6648 * doc/tm.texi: Move all documentation of the old constraint-
6649 definition macros to their own section, clearly mark as obsolete.
6651 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6652 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6654 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6655 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6656 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6658 (splits and peepholes): Use satisfies_constraint_*.
6659 * config/i386/i386.c (memory_address_length)
6660 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6662 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6664 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6665 scalar operation to be put back into the loop.
6667 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6670 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6671 (extract_cie_info): Handle S flag in augmentation string.
6672 (execute_cfa_program): If context->signal_frame, execute also
6673 fs->pc == context->ra instructions.
6674 (uw_frame_state_for): If context->signal_frame, don't subtract one
6675 from context->ra to find FDE.
6676 (uw_update_context_1): Set context->signal_frame to
6678 (_Unwind_GetIPInfo): New function.
6679 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6680 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6682 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6683 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6684 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6685 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6686 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6687 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6688 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6689 x86_64_fallback_frame_state): Set fs->signal_frame.
6690 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6691 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6692 (frob_update_context): Likewise. Workaround missing S flag in
6693 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6694 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6695 Remove the psw_addr + 1 hack.
6697 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6699 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6700 with aggregates here.
6701 (find_func_aliases): Remove code for &<aggregate> from here.
6703 2006-02-26 Roger Sayle <roger@eyesopen.com>
6705 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6706 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6707 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6710 2006-02-26 Roger Sayle <roger@eyesopen.com>
6713 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6715 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6717 * opts.c (decode_options): Do not handle flag_strength_reduce.
6718 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6719 and OPT_fstrength_reduce.
6720 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6721 flag_prefetch_loop_arrays for being nonzero.
6722 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6724 (fprefetch-loop-arrays-rtl): Removed.
6725 (flag_prefetch_loop_arrays): Do not specify the value.
6727 * doc/passes.texi: Update documentation of loop optimizer
6729 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6730 -frerun-loop-opt): Remove.
6732 2006-02-26 Richard Guenther <rguenther@suse.de>
6734 PR tree-optimization/26421
6735 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6736 in function calls that are ADDR_EXPRs as using the whole structure.
6738 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6740 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6741 * tree-pass.h (pass_loop_optimize): Remove.
6742 * passes.c (pass_loop_optimize): Never run it.
6743 * toplev.c (backend_init): Don't call init_loop.
6744 * opts.c (flag_loop_optimize_set): Remove.
6745 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6746 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6747 the old RTL loop optimizer when profiling enabled.
6748 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6749 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6750 pre-headers for the sake of the old RTL loop optimizer.
6751 * Makefile.in: Remove all references to loop.o.
6753 * doc/invoke.texi: Remove all references to -floop-optimize
6754 and -frerun-loop-opt.
6756 2006-02-26 Zack Weinberg <zackw@panix.com>
6758 * doc/md.texi (Machine Constraints): Refer to all files with paths
6759 relative to gcc directory (i.e. config/CPU/file). Add missing
6760 @table @code ... @end table to M32C subsection.
6762 2006-02-26 Roger Sayle <roger@eyesopen.com>
6764 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6766 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6768 2006-02-26 Roger Sayle <roger@eyesopen.com>
6769 James A. Morrison <phython@gcc.gnu.org>
6772 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6773 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6774 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6775 signedness of the shift operation.
6777 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6779 PR tree-optimization/26359
6780 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6782 2006-02-25 Roger Sayle <roger@eyesopen.com>
6784 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6785 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6786 as X == 0, and some symmetry related transformations.
6787 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6789 2006-02-25 Roger Sayle <roger@eyesopen.com>
6792 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6793 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6794 symmetry related transformations. Fold (X^C1) == C2 as
6797 2006-02-25 Juergen Weigert <jw@suse.de>
6798 Richard Guenther <rguenther@suse.de>
6800 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6802 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6804 * combine.c (gen_lowpart_or_truncate): Call
6805 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6807 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6809 * doc/invoke.texi: Move -fopenmp description to "Options for
6811 Remove reference to -lgomp.
6813 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6815 * doc/install.texi: Require GNU tar version 1.14.
6817 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6819 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6820 * doc/invoke.texi (C++ Dialect Options): Document
6821 -fno-use-cxa-get-exception-ptr.
6822 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6823 * configure: Regenerate.
6824 * c.opt (fuse-cxa-get-exception-ptr): New.
6825 * c-opts.c (c_common_handle_option): Handle
6826 OPT_fuse_cxa_get_exception_ptr.
6827 * c-common.c (flag_use_cxa_atexit): Update documentation.
6828 (flag_use_cxa_get_exception_ptr): New.
6829 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6830 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6832 (C_COMMON_OVERRIDE_OPTIONS): New.
6834 2006-02-24 Roger Sayle <roger@eyesopen.com>
6837 * combine.c (try_combine): Explicitly check whether GET_CODE is
6838 a SET or a CLOBBER, instead on checking that it isn't a USE.
6840 2006-02-24 Roger Sayle <roger@eyesopen.com>
6842 * fold-const.c (fold_comparison): New subroutine of fold_binary
6843 containing transformations common to both the equality and
6844 ordering relational operators, factored out of fold_binary.
6845 (fold_binary): Separate out the equality operators (EQ_EXPR
6846 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6847 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6848 transformations common to both.
6849 (fold_div_compare): Fix latent bugs in the previously unreachable
6850 LT_EXPR and GE_EXPR cases.
6852 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6854 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6855 decl libname for clog to __clog on AIX.
6857 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6859 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6862 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6863 output traceback table for thunks. Localise rs6000_stack_info call.
6865 2006-02-23 Roger Sayle <roger@eyesopen.com>
6866 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6868 * gthr-posix.h (__gthrw): Fix typo in comment.
6870 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6872 * doc/cpp.texi (Character sets): Document that we do support
6873 input files to be in any character set.
6875 2006-02-23 Jeff Law <law@redhat.com>
6877 * tree.h (PHI_ARG_NONZERO): Remove.
6878 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6879 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6880 node to the new node.
6882 PR tree-optimization/26425
6883 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6884 min/max, then assume its varying.
6886 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6888 PR rtl-optimization/26316
6889 * rtlanal.c (enum may_trap_p_flags): New.
6890 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6891 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6892 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6893 (may_trap_after_code_motion_p): New function.
6894 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6895 (find_invariant_insn): Use may_trap_after_code_motion_p.
6896 * rtl.h (may_trap_after_code_motion_p): Declare.
6898 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6900 * emit-rtl.c (immed_double_const): Cleanup.
6902 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6904 Fix PR tree-optimization/26376
6905 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6908 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6911 * gimplify.c (omp_add_variable): Guard variable size decl test with
6912 DECL_SIZE (decl) check.
6914 2006-02-23 Richard Guenther <rguenther@suse.de>
6917 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6918 like aggregate types.
6920 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6922 * configure.ac: Add --with{,out}-long-double-128 configure option.
6923 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6924 * configure: Rebuilt.
6925 * config.in: Rebuilt.
6926 * doc/install.texi (Options specification): Document
6927 --with-long-double-128.
6929 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6930 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6931 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6932 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6934 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6936 * config/s390/s390.c (override_options): Handle
6937 TARGET_DEFAULT_LONG_DOUBLE_128.
6939 * config/alpha/alpha.c (override_options): Handle
6940 TARGET_DEFAULT_LONG_DOUBLE_128.
6942 * config/sparc/sparc.c (sparc_override_options): Handle
6943 TARGET_DEFAULT_LONG_DOUBLE_128.
6945 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6947 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6948 (real-install-headers-tar, real-install-headers-cpio)
6949 (real-install-headers-cp): New targets.
6951 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6953 * tree.h (variable_section): Delete.
6954 * varasm.c (variable_section): Delete.
6956 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6958 * install.texi: Add notes on install.texi2html.
6959 (Building in parallel): Do not use footnotes.
6961 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6964 * doc/install.texi (Configuration): Document --disable-libgomp.
6966 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6968 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6970 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6972 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6973 (vec_extractv2df_0_sse): New.
6975 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6977 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6978 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6979 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6980 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6981 to the result of the expression.
6982 (def_cfa_1): Adjust.
6983 (frame_pointer_cfa_offset): Rename to...
6984 (frame_pointer_fb_offset): ... this. Adjust all uses.
6985 (convert_cfa_to_loc_list): Rename to...
6986 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6987 Pass it on to build_cfa_loc.
6988 (compute_frame_pointer_to_cfa_displacement): Rename to...
6989 (compute_frame_pointer_to_fb_displacement): ... this. New
6990 offset parameter. Use it in computation.
6991 (gen_subprogram_die): Compute cfa_fb_offset with the new
6992 macro, and use it to compute the fb loc list and the
6995 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6997 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6998 replaced with register_operand.
6999 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7000 non-DREG is expensive.
7001 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7002 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7005 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7007 * doc/install.texi2html: Use set -e.
7009 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7011 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7012 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7013 * doc/invoke.texi (-fshared-data): Delete.
7014 * common.opt (fshared-data): Delete.
7015 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7016 (assemble_static_space): Remove #if 0 code.
7017 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7018 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7019 * config/cris/cris.h: Remove FIXME.
7021 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7023 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7026 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7029 * combine.c (simplify_shift_const_1): Disable nested shifts
7030 optimization for vector shifts.
7032 2006-02-20 Roger Sayle <roger@eyesopen.com>
7034 PR tree-optimization/26361
7035 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7036 of unsigned integer types.
7038 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7040 * tree-chrec.c (eq_evolutions_p): New.
7041 * tree-chrec.h (eq_evolutions_p): Declared.
7042 * tree-data-ref.c: Fix formatting.
7043 (datadep_stats, dependence_stats): New.
7045 (print_direction_vector): New.
7046 (dump_data_dependence_relation): Use print_direction_vector.
7047 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7048 (compute_subscript_distance): Static.
7049 (initialize_data_dependence_relation): Static. Get the number
7050 of loops surrounding the references from the callers, and initialize
7051 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7052 base_object_differ_p analyzers.
7053 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7054 compute_overlap_steps_for_affine_1_2,
7055 analyze_subscript_affine_affine): Count the classified dependences.
7056 Print a message when a test failed.
7057 (can_use_analyze_subscript_affine_affine): New.
7058 (analyze_siv_subscript): Compute the data dependences on symbolic
7059 scevs that verify can_use_analyze_subscript_affine_affine.
7060 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7061 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7062 Handle symbolic scevs.
7063 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7065 (subscript_dependence_tester): Moved...
7066 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7067 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7068 DDR_SIZE_VECT instead of getting it in parameter.
7069 (subscript_dependence_tester): ... here. Take as a parameter
7070 loop_nest_depth. Call build_classic_dist_vector and
7071 build_classic_dir_vector.
7072 (compute_affine_dependence): Update subscript_dependence_tester
7073 parameters. Update datadep_stats counters. Call
7074 compute_subscript_distance.
7075 (compute_self_dependence): Save the dist and dir vectors. Call
7076 compute_subscript_distance.
7077 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7078 (compute_all_dependences): Reorder parameters as they were before
7079 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7080 compute_subscript_distance. Update the use of
7081 compute_affine_dependence and initialize_data_dependence_relation.
7082 (find_data_references_in_loop): Handle COMPONENT_REF.
7083 (compute_data_dependences_for_loop): Initialize dependence_stats.
7084 Don't call build_classic_dist_vector and build_classic_dir_vector.
7085 Update the parameters of initialize_data_dependence_relation and
7086 compute_all_dependences. Print the statistics from datadep_stats.
7087 (analyze_all_data_dependences): Static. Not used until the pass for
7088 checking the data dependences is contributed.
7089 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7090 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7091 (initialize_data_dependence_relation, compute_affine_dependence,
7092 analyze_all_data_dependences, compute_subscript_distance): Removed.
7093 (print_direction_vector): New.
7094 * lambda.h (gcd): ... here.
7095 (lambda_vector_gcd): Moved here from gcd_vector.
7096 * lambda-code.c (gcd, gcd_vector): Removed.
7097 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7098 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7100 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7102 * ipa-type-escape.c: Tidy some comments and white space.
7103 * tree-ssa-operands.c: Likewise.
7105 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7108 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7109 (dump_decl_name): Do not walk the decl tree chains.
7110 * tree-pass.h (TDF_CHAIN): Remove.
7112 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7114 * Makefile.in (C): Remove
7116 (.PHONY): Remove C and PROTO
7118 2006-02-20 Roger Sayle <roger@eyesopen.com>
7121 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7122 deprecated CHAR_TYPE tree code.
7124 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7126 * configure.ac (target_list): Add install-info, dvi, html.
7127 * configure: Regenerate.
7129 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7130 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7131 treelang/Make-lang.in: Do not use double-colon rules.
7133 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7135 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7136 (TMT_USED_ALONE): New macro.
7137 * tree-pass.h (PROP_tmt_usage): New property.
7138 (TODO_update_tmt_usage): New todo.
7139 * tree-ssa-alias.c (updating_used_alone): New variable.
7140 (recalculate_used_alone): New function.
7141 (compute_may_aliases): Set updating_used_alone, call
7142 recalculate_used_alone.
7143 * tree-sra.c (pass_sra): Note that this pass destroys
7144 PROP_tmt_usage, and add TODO_update_tmt_usage.
7145 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7146 * tree-flow.h (updating_used_alone): Prototype.
7147 (recalculate_used_alone): Ditto.
7148 * passes.c (execute_todo): Add code to set updating_used_alone,
7149 and call recalculate.
7150 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7151 for clobber if used alone, and add assert to verify used_alone
7154 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7156 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7157 for non tls symbols added.
7158 (legitimize_address): Do nothing for PLUS expressions if one of the
7159 addends is a tls symbol reference.
7161 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7165 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7167 * Makefile.in (BOOTSTRAPPING): New.
7168 (quickstrap): New definition if BOOTSTRAPPING=yes.
7170 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7171 * configure.ac: Substitute all_selected_languages with the languages
7172 that were configured. For all the other variables except
7173 lang_specs_files, include all the languages in the tree.
7174 * configure: Regenerate.
7176 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7177 if there is one. Run the commands to run fixincludes in the same
7180 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7181 * doc/install.texi: Document exact conventions for searching target tools.
7182 Document --with-build-time-tools. Document toplevel bootstrap. Document
7183 something more about building an Ada cross-compiler. Don't list GNU Make
7184 requirements which affect all platforms.
7186 2006-02-19 Roger Sayle <roger@eyesopen.com>
7189 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7190 only equivalent if the have both the same mode and precision.
7192 2006-02-20 Ben Elliston <bje@au.ibm.com>
7194 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7196 2006-02-19 Roger Sayle <roger@eyesopen.com>
7197 Steven Bosscher <stevenb.gcc@gmail.com>
7199 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7200 constant pool references to identify stack mode constants.
7201 * rtlanal.c (constant_pool_constant_p): New predicate to check
7202 whether operand is a floating point constant in the pool.
7203 * rtl.h (constant_pool_constant_p): Prototype here.
7204 * loop.c (scan_loop): Avoid hoisting constants from the constant
7205 pool on STACK_REGS targets.
7206 (load_mems): Likewise.
7207 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7208 loads into x87 registers expensive in terms of register pressure.
7210 2006-02-19 Roger Sayle <roger@eyesopen.com>
7212 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7213 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7215 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7217 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7218 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7220 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7222 * doc/invoke.texi: Document -fipa-pta.
7223 * common.opt: Add ipa-pta option.
7224 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7225 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7226 (do_ds_constraint): Ditto.
7227 (get_constraint_for): Only add to referenced_vars if
7228 referenced_vars exists.
7229 (insert_into_field_list): Rewrite to do this unsorted.
7230 (insert_into_field_list_sorted): Rename old insert_into_field_list
7232 (create_function_info_for): Use insert_into_field_list_sorted.
7233 (create_variable_info_for): Rewrite so it uses unsorted version,
7234 since the field list is sorted.
7235 (intra_create_variable_infos): Only add to referenced_vars if
7236 referenced_vars exists.
7237 (ipa_pta_execute): Init heapvars, and delete when done.
7238 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7240 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7242 * doc/install.texi: Add missing `@samp'.
7244 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7246 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7249 2006-02-18 Mark Wielaard <mark@klomp.org>
7251 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7252 who added new 4.1 features, bug fixes and integration support.
7254 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7257 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7260 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7262 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7263 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7264 (copy_insn_1): Likewise. Don't copy each field individually.
7266 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7268 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7269 * rtl.c (rtx_size): Rename variable to...
7270 (rtx_code_size): ...this.
7271 (rtx_size): New function.
7272 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7273 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7275 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7276 * rtl.h (rtx_code_size): New variable.
7277 (rtx_size): Change from a variable to a function.
7278 (RTX_SIZE): Rename to...
7279 (RTX_CODE_SIZE): ...this.
7282 PR tree-optimization/17106
7283 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7284 (Anchored Addresses): New section.
7285 * doc/invoke.texi (-fsection-anchors): Document.
7286 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7287 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7288 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7289 * hooks.c (hook_bool_mode_rtx_false): New function.
7290 * hooks.h (hook_bool_mode_rtx_false): Declare.
7291 * gengtype.c (create_optional_field): New function.
7292 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7293 SYMBOL_REF_IN_BLOCK_P is true.
7294 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7295 (min_anchor_offset, max_anchor_offset): Likewise.
7296 (use_anchors_for_symbol_p): New hook.
7297 * toplev.c (compile_file): Call output_object_blocks.
7298 (target_supports_section_anchors_p): New function.
7299 (process_options): Check that -fsection-anchors is only used on
7300 targets that support it and when -funit-at-a-time is in effect.
7301 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7302 if the decl doesn't have one.
7303 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7304 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7305 of force_const_mem through use_anchored_address.
7306 (expand_expr_constant): New function.
7307 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7308 calling expand_expr for INDIRECT_REF.
7309 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7310 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7311 * expr.h (use_anchored_address): Declare.
7312 * loop-unroll.c: Don't declare rtx vectors here.
7313 * explow.c: Include output.h.
7314 (validize_mem): Call use_anchored_address.
7315 (use_anchored_address): New function.
7316 * common.opt (-fsection-anchors): New switch.
7317 * varasm.c (object_block_htab, anchor_labelno): New variables.
7318 (hash_section, object_block_entry_eq, object_block_entry_hash)
7319 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7320 (use_blocks_for_decl_p, change_symbol_section): New functions.
7321 (get_variable_section): New function, split out from assemble_variable.
7322 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7323 use_blocks_for_decl_p say so. Use change_symbol_section if the
7324 symbol has already been created.
7325 (assemble_variable_contents): New function, split out from...
7326 (assemble_variable): ...here. Don't output any code for
7327 block symbols; just pass them to place_block_symbol.
7328 Use get_variable_section and assemble_variable_contents.
7329 (get_constant_alignment, get_constant_section, get_constant_size): New
7330 functions, split from output_constant_def_contents.
7331 (build_constant_desc): Create a block symbol if use_object_blocks_p
7332 says so. Or into SYMBOL_REF_FLAGS.
7333 (assemble_constant_contents): New function, split from...
7334 (output_constant_def_contents): ...here. Don't output any code
7335 for block symbols; just pass them to place_section_symbol.
7336 Use get_constant_section and get_constant_alignment.
7337 (force_const_mem): Create a block symbol if use_object_blocks_p and
7338 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7339 (output_constant_pool_1): Add an explicit alignment argument.
7340 Don't switch sections here.
7341 (output_constant_pool): Adjust call to output_constant_pool_1.
7342 Switch sections here instead. Don't output anything for block symbols;
7343 just pass them to place_block_symbol.
7344 (init_varasm_once): Initialize object_block_htab.
7345 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7346 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7347 (place_block_symbol, get_section_anchor, output_object_block)
7348 (output_object_block_htab, output_object_blocks): New functions.
7349 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7350 (TARGET_ASM_OUT): Include it.
7351 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7352 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7353 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7354 (TARGET_INITIALIZER): Include them.
7355 * rtl.c (rtl_check_failed_block_symbol): New function.
7356 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7357 (block_symbol, object_block): New structures.
7358 (rtx_def): Add a block_symbol field to the union.
7359 (BLOCK_SYMBOL_CHECK): New macro.
7360 (rtl_check_failed_block_symbol): Declare.
7361 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7362 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7363 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7364 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7365 * output.h (output_section_symbols): Declare.
7366 (object_block): Name structure.
7367 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7368 (default_use_anchors_for_symbol_p): Declare.
7369 * Makefile.in (RTL_BASE_H): Add vec.h.
7370 (explow.o): Depend on output.h.
7371 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7372 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7373 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7374 (rs6000_use_blocks_for_constant_p): New function.
7376 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7378 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7380 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7383 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7386 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7388 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7392 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7395 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7396 instead of DECL_REGISTER.
7398 2006-02-18 Olivier Hainque <hainque@adacore.com>
7401 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7403 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7406 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7407 * opth-gen.awk: Handle Var and InverseMask together.
7408 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7409 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7410 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7411 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7413 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7414 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7415 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7416 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7417 LINUX_DYNAMIC_LINKER): Define.
7418 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7419 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7421 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7422 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7423 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7424 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7425 (TARGET_C99_FUNCTIONS): Don't define.
7426 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7427 GLIBC_DYNAMIC_LINKER.
7428 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7429 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7430 GLIBC_DYNAMIC_LINKER64): Define.
7431 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7432 LINUX_DYNAMIC_LINKER64.
7433 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7434 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7435 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7436 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7437 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7438 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7439 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7440 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7441 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7442 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7443 and LINUX_DYNAMIC_LINKER32.
7444 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7445 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7446 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7447 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7448 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7450 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7451 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7452 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7453 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7454 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7455 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7456 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7457 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7458 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7459 LINUX_DYNAMIC_LINKER): Define.
7460 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7461 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7462 GLIBC_DYNAMIC_LINKER64): Define.
7463 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7464 LINUX_DYNAMIC_LINKER64.
7465 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7466 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7467 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7468 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7469 LINUX_DYNAMIC_LINKER): Define.
7470 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7471 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7472 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7473 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7474 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7475 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7476 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7477 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7478 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7479 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7480 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7481 * doc/invoke.texi (-muclibc): Remove caveat about supported
7484 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7486 * doc/cpp.texi (__TIMESTAMP__): Document.
7488 2006-02-17 Roger Sayle <roger@eyesopen.com>
7491 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7492 C is one less than the width of X (and related transformations).
7493 * simplify-rtx.c (simplify_unary_operation_1): Transform
7494 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7495 depending on STORE_FLAG_VALUE, were C is one less then the
7498 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7500 Fix PR tree-optimization/26341
7501 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7502 about NAME_MEMORY_TAG's.
7504 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7507 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7508 with hardware float support, and software float support. Add fcpy
7509 alternative to hardware patterns. Add alternatives to copy between
7510 general and floating-point registers to the 32-bit pattern.
7511 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7512 secondary reload to load a QI or HI mode constant into a floating
7514 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7515 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7517 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7520 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7522 (load_macho_picbase_di): Likewise.
7524 2006-02-16 Jeff Law <law@redhat.com>
7526 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7527 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7528 (ssa_name_nonzero_p): Likewise.
7529 (get_value_range): Return NULL if VRP is not running.
7530 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7531 VRP routines do not discover a range.
7532 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7533 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7534 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7535 (tree_expr_nonnegative_p): Similarly.
7536 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7537 (restore_nonzero_vars_to_original_value): Remove.
7538 (unsafe_associative_fp_binop): Remove.
7539 (tree_ssa_dominator_optimize): Remove initialization and
7540 finalization of nonzero_vars and nonzero_vars_stack.
7541 (dom_opt_initialize_block): No longer push marker on
7543 (dom_opt_finalize_block): No longer call
7544 restore_nonzero_vars_to_original_value.
7545 (record_equivalences_from_phis): No longer look for
7546 nonzero PHI arguments.
7547 (cprop_into_successor_phis): No longer propagate nonzero
7548 property into PHI arguments. Lose unused argument. Caller
7550 (record_equivalences_from_stmt): No longer record nonzero
7551 values for SSA_NAMEs.
7552 (lookup_avail_expr): No longer use nonzero_vars.
7554 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7555 for sizetype when sizetype is unsigned.
7557 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7559 PR rtl-optimization/25603
7560 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7561 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7562 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7563 with new meaning of SETS.
7565 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7570 * config/linux.opt: New file.
7571 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7572 LINUX_DYNAMIC_LINKER): Define.
7573 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7574 * config.gcc (*-*-linux*): Define extra_options.
7575 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7576 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7577 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7578 GLIBC_DYNAMIC_LINKER.
7579 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7580 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7581 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7582 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7583 * doc/invoke.texi (GNU/Linux Options): New section.
7585 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7587 * config/sparc/sparc.md (setjmp): Rewrite.
7588 (setjmp_32): Delete.
7589 (setjmp_64): Likewise.
7591 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7593 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7596 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7598 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7601 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7603 PR rtl-optimization/26296
7604 * Makefile.in (loop-invariant.c): Add except.h dependency.
7605 * loop-invariant.c: Include except.h.
7606 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7608 2005-02-16 Paul Brook <paul@codesourcery.com>
7610 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7613 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7615 PR rtl-optimization/25636
7616 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7617 when deciding whether an insn is an initializing insn.
7619 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7621 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7622 (tree_code_size): Ditto.
7623 * tree.h (struct tree_memory_tag): Remove parent_var.
7624 (struct tree_struct_field_tag): New.
7627 (union tree_node): Add sft member.
7628 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7630 (create_sft): Add size and offset argument, set SFT_OFFSET and
7632 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7633 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7634 * tree-flow-inline.h (get_subvar_at): Update for
7635 SFT_OFFSET/SFT_SIZE.
7636 (var_can_have_subvars): Ditto.
7637 (overlap_subvar): Ditto.
7638 * print-tree.c (print_node): Print out interesting things for
7640 * tree-flow.h (struct subvar): Remove offset and size members.
7641 * tree-ssa-operands.c (get_expr_operands): Update for
7642 get_indirect_ref_operands changes.
7643 (get_indirect_ref_operands): Call add_virtual_operand instead of
7644 add_stmt_operand. Only recurse on base var if requested.
7645 (access_can_touch_variable): New function.
7646 (add_stmt_operand): Split virtual operand handling into ...
7647 (add_virtual_operand): Here. Add offset, size, and for_clobber
7648 arguments. Prune alias sets.
7649 (add_call_clobber_ops): Call add_virtual_operand.
7651 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7654 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7656 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7657 than TREE_CODE as index into omp_clause_num_ops array.
7659 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7661 PR rtl-optimization/26184
7662 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7664 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7665 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7666 must_precede, must_follow and tobe_scheduled.
7669 * opts.c (common_handle_option): Free new_option pointer.
7670 * df-core.c (df_analyze): Free postorder pointer.
7672 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7674 * Makefile.in: Fix the examples about the use of stamps
7676 2006-02-15 Michael Matz <matz@suse.de>
7680 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7681 influenced by maximum_field_alignment or DECL_PACKED.
7682 (update_alignment_for_field): Ditto.
7683 (place_field): Ditto.
7684 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7687 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7689 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7690 (debug_flow_info): Pass it.
7691 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7692 * bb-reorder.c (reorder_basic_blocks): Likewise.
7693 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7694 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7695 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7696 * gcse.c (gcse_main, bypass_jumps): Likewise.
7697 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7698 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7699 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7700 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7701 * rtl.h (dump_flow_info): Adjust prototype.
7702 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7703 * var-tracking.c (variable_tracking_main): Likewise.
7704 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7705 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7708 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7710 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7713 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7715 PR tree-optimization/26209
7716 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7717 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7719 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7721 2006-02-14 Roger Sayle <roger@eyesopen.com>
7724 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7725 (X,Y) and the corresponding symmetry related transformations.
7726 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7727 (X,Y) and its symmetry related transformations.
7729 2006-02-14 Roger Sayle <roger@eyesopen.com>
7731 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7734 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7736 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7738 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7741 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7742 support COMDAT group.
7743 * configure: Regenerate.
7745 2006-02-14 Roger Sayle <roger@eyesopen.com>
7750 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7752 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7754 Fix PR tree-optimization/26260
7756 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7758 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7759 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7760 * tree-ssa-structalias.c (create_variable_info_for): Use
7761 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7763 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7765 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7767 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7768 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7769 of the ending condition.
7770 * tree-ssa-loop-manip.c: Include params.h.
7771 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7772 tree_unroll_loop): New functions.
7773 * tree-pass.h (pass_loop_prefetch): Declare.
7774 * loop.c (rest_of_handle_loop_optimize): Test for
7775 -fprefetch-loop-arrays-rtl.
7776 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7777 * timevar.def (TV_TREE_PREFETCH): New timevar.
7778 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7779 pass_loop_prefetch): New.
7780 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7781 (cleanup_tree_cfg_loop): Call scev_reset.
7782 * common.opt (fprefetch-loop-arrays-rtl): Add.
7783 * tree-ssa-loop-prefetch.c: New file.
7784 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7785 (new_temp_expr_table): Initialize expr_vars.
7786 (free_temp_expr_table): Cleanup expr_vars.
7787 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7788 expressions from being merged into one.
7789 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7790 (struct tree_niter_desc): Add control, bound and cmp fields.
7791 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7793 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7794 (tree-cfgcleanup.o): Add SCEV_H dependency.
7795 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7796 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7798 2006-02-14 Richard Guenther <rguenther@suse.de>
7800 PR tree-optimization/26258
7801 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7802 in PHI argument processing.
7804 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7806 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7807 new expression in the requested machine mode.
7809 2006-02-13 Roger Sayle <roger@eyesopen.com>
7811 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7812 directly, instead let do_compare_rtx_and_jump handle this for us.
7813 * expr.c (expand_expr_real_1): Likewise.
7814 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7815 before do_jump_by_parts_greater.
7816 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7817 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7819 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7821 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7823 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7825 PR rtl-optimization/26235
7826 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7827 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7830 2006-02-13 Jeff Law <law@redhat.com>
7832 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7835 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7838 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7839 twice if decl is a builtin. When trying again, call get_callee_fndecl
7840 first to verify it is still a builtin.
7842 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7844 * dwarf2out.c (base_type_die): Don't add AT_name here.
7845 (subrange_type_die): Don't add AT_name here.
7846 (modified_type_die): Rearrange code flow. Do add AT_name here.
7848 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7850 PR rtl-optimization/26247
7851 PR rtl-optimization/26248
7852 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7854 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7856 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7857 * config/fixtfdi.c: Likewise.
7858 * config/fixunstfdi.c: Likewise.
7859 * config/floatditf.c: Likewise.
7861 2006-02-13 Roger Sayle <roger@eyesopen.com>
7864 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7865 into (X,C2) if C1 is a subset of the bits of C2. Transform
7866 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7868 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7870 2006-02-13 Josh Conner <jconner@apple.com>
7873 * varasm.c (function_section): Check for section name before
7874 calling select_section on targets that define
7875 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7876 unlikely_text_section instead of hot_function_section if
7877 first_function_block_is_cold.
7879 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7882 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7884 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7886 PR rtl-optimization/26222
7887 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7888 after tree->rtl expansion.
7889 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7890 before passing it to emit_move_insn.
7892 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7894 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7896 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7897 Clarify documentation.
7898 * c-common.h (warn_write_strings): Remove.
7899 * c-common.c (warn_write_strings): Likewise.
7900 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7903 2006-02-12 Roger Sayle <roger@eyesopen.com>
7906 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7907 (do_jump_parts_zero_rtx): New function renamed from
7908 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7909 (do_jump_parts_equality_rtx): New function split out from
7910 do_jump_parts_equality. Old implementation renamed as above.
7911 Call do_jump_parts_zero_rtx if either operand is zero.
7912 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7913 do all of the heavy lifting.
7914 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7915 calling either do_jump_by_parts_greater_rtx or
7916 do_jump_by_parts_equality_rtx.
7917 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7918 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7919 moved to do_compare_rtx_and_jump, call it directly.
7920 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7921 mode argument. Call do_compare_rtx_and_jump.
7922 (emit_case_nodes): Update calls to do_jump_if_equal.
7924 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7926 PR rtl-optimization/26225
7927 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7929 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7931 PR rtl-optimization/26232
7932 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7934 2006-02-11 Jason Merrill <jason@redhat.com>
7937 * tree-inline.c (declare_return_variable): Just don't use the
7938 modify target if it's a gimple complex reg and the return slot
7941 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7943 * doc/contrib.texi: Update my entry.
7945 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7947 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7949 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7951 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7954 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7956 * doc/invoke.texi (-floop-optimize2): Removed.
7957 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7958 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7959 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7960 * common.opt (floop-optimize2): Removed.
7961 (fmove-loop-invariants): Enabled by default.
7963 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7965 * tree-if-conv.c (combine_blocks): Free the result of
7966 get_loop_exit_edges.
7968 2006-02-10 Jeff Law <law@redhat.com>
7970 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7972 PR tree-optimization/26213
7973 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7974 loop trying to follow SSA_NAME_VALUE chains.
7976 2006-02-10 Richard Guenther <rguenther@suse.de>
7978 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7979 deal with structures that end in implicitly variable sized arrays.
7981 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7983 PR rtl-optimization/24762
7984 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7987 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7989 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7990 (struct ivopts_data): Add regs_used field.
7991 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7992 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7993 instead of loop_data->regs_used;
7994 (free_loop_data): Do not free aux fields for loops.
7995 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7996 and tree_ssa_iv_optimize_finalize.
7998 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8000 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8002 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8005 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8006 computing the effective result type.
8008 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8011 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8012 (tree_overlaps_hard_reg_set): Declare.
8013 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8014 type and signature to match function type expected by walk_tree.
8015 (tree_overlaps_hard_reg_set): New function.
8016 (decl_conflicts_with_clobbers_p): Rename to:
8017 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8018 Use tree_overlaps_hard_reg_set. Changed caller.
8019 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8020 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8021 * cris.c (cris_md_asm_clobbers): Likewise.
8023 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8025 * reload1.c (emit_input_reload_insns): Delete code that tries to
8026 inherit using find_equiv_reg.
8028 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8030 * c-common.h (flag_const_strings): Don't declare.
8031 * c-common.c (flag_const_strings): Remove.
8032 * c.opt (fconst_strings): Remove.
8033 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8034 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8035 (c_common_init_options): Don't set flag_const_strings.
8036 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8038 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8040 * arm.md (tlobits_cbranch): New pattern.
8041 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8042 testing a single bit.
8044 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8047 * tree-ssa-pre.c (create_component_ref_by_pieces):
8048 Handle RETURN_DECL like VAR_DECL.
8050 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8053 * fold-const.c (fold_indirect_ref_1): Fold
8054 "*(foo *)&complexfoo" to "__real__ complexfoo"
8055 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8057 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8059 * tree-flow-inline.h (var_can_have_subvars):
8060 Volatile variables should not have subvariables.
8062 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8065 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8066 multiplying unsigned values.
8069 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8071 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8073 2006-02-08 Jason Merrill <jason@redhat.com>
8076 * tree.def: Elaborate on difference from MODIFY_EXPR.
8077 * doc/c-tree.texi (INIT_EXPR): Likewise.
8078 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8079 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8080 (gimplify_target_expr): Likewise.
8081 (gimplify_cond_expr): Remove target handling.
8082 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8083 (gimplify_expr): Clobber it here.
8084 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8085 Do return slot optimization if we have an INIT_EXPR.
8088 * tree-inline.c (declare_return_variable): Also clear
8089 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8092 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8095 * gimplify.c (gimplify_one_sizepos): Fix typo.
8097 2006-02-08 Jeff Law <law@redhat.com>
8099 PR tree-optimization/21417
8100 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8101 across a backedge if the control statement at the end of the
8102 block is data dependent on other statements in the same block.
8103 (record_temporary_equivalences_from_stmts): Remove over-conservative
8104 test for threading across backedges.
8106 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8107 control statement, handle all three special cases in the same
8108 manner as they all have the same desired solution. No longer
8109 special case edge flag updating when the post dominator is
8112 2006-02-08 Roger Sayle <roger@eyesopen.com>
8114 * tree.def (CHAR_TYPE): Remove.
8115 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8116 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8117 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8118 (gen_string_type_die): Delete unreachable function.
8120 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8121 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8122 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8123 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8124 * builtins.c (type_to_class): Likewise.
8125 * fold-const.c (fold_convert, build_range_check,
8126 merge_ranges): Likewise.
8127 * expr.c (count_type_elements): Likewise.
8128 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8129 * stor-layout.c (layout_type): Likewise.
8130 * ipa-type-escape.c (type_to_consider): Likewise.
8131 * gimplify.c (omp_firstprivatize_type_sizes,
8132 gimplify_type_sizes): Likewise.
8133 * explow.c (promote_mode): Likewise.
8134 * tree-sra.c (is_sra_scalar_type): Likewise.
8135 * varasm.c (output_constant): Likewise.
8136 * tree-inline.c (remap_type_1): Likewise.
8137 * convert.c (convert_to_pointer, convert_to_real,
8138 convert_to_integer, convert_to_complex): Likewise.
8140 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8142 * df-scan.c (df_def_record_1): A set destination may
8143 be a parallel regardless of mode.
8145 2006-02-08 Roger Sayle <roger@eyesopen.com>
8148 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8149 * config/mips/_tilib.c: Remove.
8150 * config/fixtfdi.c: New libgcc source file.
8151 * config/fixunstfdi.c: New source file.
8152 * config/floatditf.c: New source file.
8153 * config/floatunditf.c: New souce file.
8154 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8155 files above instead of config/mips/_tilib.c.
8156 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8158 2006-02-08 Jeff Law <law@redhat.com>
8160 PR tree-optimization/26169
8161 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8164 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8166 * df.h (DF_REG_SIZE): Return the length of the initialized
8169 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8171 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8172 __muldf3): Return a correctly signed zero.
8174 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8176 * passes.c (register_one_dump_file): Accept the current properties
8177 instead of pass number. Adjust call to dump_register. Remove
8179 (register_dump_files): Now a wrapper around...
8180 (register_dump_files_1): ... this one. Do not modify the pass
8182 (next_pass_1): Cosmetic fix.
8183 (execute_todo): Keep second parameter only. Use curr_properties
8184 instead of fetching it from the pass structure. Check and set
8186 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8187 instead of fetching it from the pass structure. Fix calls to
8188 execute_todo. Update curr_properties and initialize .vcg RTL dump
8189 after running the pass. Reset last_verified.
8190 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8192 (FIRST_AUTO_NUMBERED_DUMP): New.
8193 (dump_register): Remove "num" parameter, assign it within the
8195 (get_dump_file_name): Modify template for dumps.
8196 * tree-dump.h (dump_register): Adjust prototype.
8197 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8198 (PROP_trees): Add PROP_gimple_lomp.
8199 (TODO_set_props): New.
8200 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8201 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8202 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8204 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8206 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8207 (sparc64-*-linux*): Likewise.
8208 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8209 * config/sparc/t-linux: New file.
8210 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8211 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8212 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8213 -m32 -mlong-double-128.
8215 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8216 * config/alpha/t-linux: New file.
8217 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8219 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8220 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8221 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8222 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8223 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8224 (CPP_ARCH32_SPEC): Remove.
8226 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8228 PR tree-optimization/26145
8229 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8232 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8235 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8236 >= 240000 when generating code for SOM runtime.
8237 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8238 to $$dyncall when generating code for SOM runtime..
8240 2006-02-07 Dirk Mueller <dmueller@suse.com>
8243 * doc/invoke.texi (-Wsequence-point): Update documentation
8244 that -Wsequence-point is implemented for C++ as well.
8246 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8248 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8249 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8250 (LIB_SPEC): Likewise.
8251 * doc/invoke.texi (SPARC options): Document -pthread.
8253 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8255 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8258 2006-02-07 Roger Sayle <roger@eyesopen.com>
8260 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8261 Correct comment describing BOOLEAN_TYPE.
8263 2006-02-07 Dirk Mueller <dmueller@suse.com>
8265 * c.opt: C++ frontend supports -Wdiv-by-zero.
8266 * c-opts.c (c_common_handle_option): Remove dead case.
8268 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8270 * configure.ac (TLS assembler check): Do not enable TLS by
8271 default on SPARC/Solaris before version 10.
8272 * configure: Regenerate.
8274 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8276 * doc/invoke.texi (xl-compat): Document conversion and support
8279 2006-02-07 Jeff Law <law@redhat.com>
8281 * tree-vrp.c (find_conditional_asserts): Update comments.
8282 (simplify_stmt_for_jump_threading): New.
8283 (identify_jump_threads, finalize_jump_threads): New.
8284 (vrp_finalize): Call identify_jump_threads.
8285 (execute_vrp): Call finalize_jump_threads.
8286 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8287 (vrp_element, vrp_data, vrp_element_p): Remove.
8288 (vrp_hash_elt, vrp_variables_stack): Remove.
8289 (vrp_hash, vrp_eq, record_range): Remove.
8290 (simplify_cond_and_lookup_avail_expr): Remove.
8291 (extract_range_from_cond): Remove.
8292 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8293 (simplify_stmt_for_jump_threading): New.
8294 (dom_thread_across_edge): New wrapper.
8295 (tree_ssa_dominator_optimize): No longer initialize or
8296 finalize any of the VRP datastructures. Remove iteration
8297 step and simplify as a result of removal of iteration step.
8298 (pass_dominator): Perform a cfg cleanup after DOM.
8299 (dom_opt_finalize_block): Use the new common routines
8300 for threading jumps. Simplify stack management slightly.
8301 No longer need to unwind VRP state.
8302 (record_equivalences_from_incoming_edge): No longer record
8304 (eliminate_redundant_computations): No longer call
8305 simplify_cond_and_lookup_avail_expr.
8306 * tree-flow.h (potentially_threadable_block): Prototype.
8307 (thread_across_edge): Likewise.
8308 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8309 (tree-ssa-threadedge.o): Add dependencies.
8310 * tree-ssa-threadedge.c: New file.
8311 * passes.c (init_optimization_passes): Merge PHIs before
8312 calling VRP. Run VRP again late in the SSA optimization pipeline.
8314 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8316 * df-core.c (df_set_blocks): Do not dereference function pointers.
8317 (df_finish1): Likewise.
8318 (df_hybrid_search_forward): Likewise.
8319 (df_hybrid_search_backward): Likewise.
8320 (df_iterative_dataflow): Likewise.
8321 (df_analyze_problem): Likewise.
8322 (df_compact_blocks): Likewise.
8323 (df_dump): Likewise.
8324 * df-scan.c (df_rescan_blocks): Likewise.
8325 (df_record_entry_block_defs): Likewise.
8327 * genconditions.c (write_conditions): Guard the definition of
8328 'insn_conditions' with the check on GCC version.
8329 (write_writer): Guard the traversal 'insn_conditions' with
8330 the check on GCC version.
8332 2006-02-07 Richard Guenther <rguenther@suse.de>
8336 2006-01-30 Richard Guenther <rguenther@suse.de>
8338 * gimplify.c (gimplify_target_expr): Handle easy cases
8339 without creating a temporary.
8341 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8343 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8344 use of float in probability computations. Use edge probabilities
8345 in place of statically computed probabilities.
8346 (min_spec_prob): New static variable.
8347 (schedule_insns): Initialize it.
8348 (GET_SRC_PROB): Removed.
8349 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8351 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8354 * config/ia64/unwind-ia64.c: Revert last change.
8355 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8356 (INCOMING_FRAME_SP_OFFSET): Define.
8358 2006-02-06 Roger Sayle <roger@eyesopen.com>
8360 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8362 2006-02-07 Ben Elliston <bje@au.ibm.com>
8364 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8365 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8366 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8367 (ix86_return_in_memory): Handle TDmode.
8368 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8369 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8371 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8373 * reorg.c (dbr_schedule): Use dump_file instead of file.
8375 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8378 * config/ia64/predicates.md (extr_len_operand): New predicate.
8379 * config/ia64/ia64.md (extv): Tighten constraints.
8381 (*tbit_and_2): Ditto.
8382 (*tbit_and_3): Ditto.
8383 (*tbit_or_2): Ditto.
8384 (*tbit_or_3): Ditto.
8388 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8391 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8393 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8395 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8396 loop_optimizer_init and loop_optimizer_finalize
8397 * tree-ssa-sink.c (execute_sink_code): Ditto.
8398 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8399 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8400 tree_ssa_loop_done): Ditto.
8401 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8402 * sched-ebb.c: Include output.h.
8403 (schedule_ebbs): Do not use dump argument.
8404 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8405 * loop.c (loop_dump_stream): Removed.
8406 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8408 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8409 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8410 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8411 loop_iterations, strength_reduce, record_biv, record_giv,
8412 final_giv_value, check_final_value, check_ext_dependent_givs,
8413 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8414 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8415 dump_file instead of loop_dump_stream.
8416 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8418 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8420 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8421 * haifa-sched.c: Include output.h
8422 (schedule_insns, sched_init): Do not use dump argument.
8423 * mode-switching.c (optimize_mode_switching): Ditto.
8424 * modulo-sched.c (stats_file): Removed.
8425 (print_node_sched_params): Do not call argument dump_file.
8426 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8427 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8429 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8431 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8432 rtl_loop_init, rtl_loop_done): Ditto.
8433 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8434 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8436 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8437 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8438 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8439 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8440 * emit-rtl.c (renumber_insns): Ditto.
8441 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8442 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8443 * regclass.c (regclass): Ditto.
8444 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8445 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8446 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8447 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8449 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8450 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8452 * gcse.c (gcse_file, debug_stderr): Removed.
8453 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8454 rest_of_handle_gcse): Do not use dump argument.
8455 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8456 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8457 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8458 compute_code_hoist_vbeinout, compute_code_hoist_data,
8459 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8460 compute_store_table, build_store_vectors, insert_insn_start_bb,
8461 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8462 store_motion): Use dump_file instead of gcse_file.
8463 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8464 * profile.c (profile_dump_file): Removed.
8465 (branch_prob): Use dump_file instead of profile_dump_file.
8466 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8468 * tree-ssa-copy.c (dump_copy_of): Ditto.
8469 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8470 dump file to life_analysis.
8471 * bt-load.c (branch_target_load_optimize): Ditto.
8472 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8474 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8475 regclass, dbr_schedule): Declaration changed.
8476 * sched-int.h (sched_init): Declaration changed.
8477 * tree-profile.c (tree_profile_dump_file): Removed.
8478 (tree_profile_hooks): Removed profile_dump_file hook.
8479 * rtl-profile (rtl_profile_dump_file): Removed.
8480 (rtl_profile_hooks): emoved profile_dump_file hook.
8481 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8483 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8484 * tree-cfg.c (build_tree_cfg): Ditto.
8485 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8486 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8487 Declaration changed.
8488 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8489 life_analysis and schedule_insns.
8490 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8492 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8494 * config/mips/mips.c (mips_reorg): Ditto.
8495 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8498 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8500 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8501 (s390_mangle_fundamental_type): New.
8502 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8505 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8506 (alpha_mangle_fundamental_type): New.
8507 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8510 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8512 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8514 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8515 (sparc_mangle_fundamental_type): New.
8517 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8519 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8520 (s390x-*-linux*): Likewise.
8521 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8522 * config/s390/t-linux: New file.
8524 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8526 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8527 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8529 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8531 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8532 (ANTIC_SAFE_LOADS): New macro.
8533 (find_or_generate_expression): Add prototype.
8534 (set_contains_value): Allow null set for sake of not always having
8535 to allocate ANTIC_SAFE_LOADS.
8536 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8537 Allow COMPONENT_REF too.
8538 (valid_in_set): Allow COMPONENT_REF.
8539 Check ANTIC_SAFE_LOADS too.
8540 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8541 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8543 (can_PRE_operation): Add COMPONENT_REF.
8544 (create_component_ref_by_pieces): New function.
8545 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8546 (insert_aux): Move AGGREGATE_TYPE_P check here.
8547 (compute_avail): Set bb local stmt uids.
8548 (pass_pre): Use TODO_update_ssa_only_virtuals.
8550 2006-02-06 Ben Elliston <bje@au.ibm.com>
8552 * configure.ac: Unconditionally disable decimal float by default.
8553 * configure: Regenerate.
8555 2006-02-06 Ben Elliston <bje@au.ibm.com>
8557 * read-rtl.c (read_name): Terminate reading on EOF.
8559 2006-02-06 Ben Elliston <bje@au.ibm.com>
8561 * dfp.c (decimal_real_arithmetic): Change second argument type
8562 from int to enum tree_code. Do not always return true, but now
8563 return result of any call to decimal_do helper functions.
8564 * dfp.h (decimal_real_arithmetic): Update prototype.
8566 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8568 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8570 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8573 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8576 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8578 * tree-vrp.c (cfg_loops): Removed.
8579 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8580 Use current_loops instead of cfg_loops. Pass flags to
8581 loop_optimizer_init.
8582 * cfgloopmanip.c (fix_loop_structure): Update only available
8584 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8585 loop_optimizer_init.
8586 * modulo-sched.c (build_loops_structure): Removed.
8587 (sms_schedule): Use loop_optimizer_init.
8588 * loop-init.c (loop_optimizer_init): Use flags to determine
8589 which properties of loops to prepare.
8590 (rtl_loop_init): Pass flags to loop_optimizer_init.
8591 * tree-ssa-sink.c (execute_sink_code): Ditto.
8592 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8593 * tree-ssa-pre.c (init_pre): Ditto.
8594 * cfgloop.h (LOOPS_NORMAL): New.
8595 (loop_optimizer_init): Declaration changed.
8597 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8599 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8600 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8602 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8604 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8606 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8607 * pa/t-pa64: Delete quadlib.c rule.
8608 * pa/x-ada: Revert last change.
8609 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8611 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8613 PR rtl-optimization/26087
8614 * rtlanal.c (canonicalize_condition): Do not cross basic block
8617 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8620 * config/ia64/ia64.c: Include debug.h.
8621 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8622 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8623 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8624 (process_epilogue, process_set, process_for_unwind_directive):
8625 Output unwind info only if requested. Add CFA info if requested.
8626 Add new arguments as needed. Adjust callers.
8627 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8629 (DWARF2_FRAME_INFO): Define to zero.
8630 * config/ia64/unwind-ia64.c: Remove code that compensated for
8631 the CFA offset error fixed above.
8632 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8633 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8634 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8635 -funwind-tables and -fexceptions to enable frame info.
8636 (dwarf2out_frame_init): Define initial CFA even if
8637 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8638 DWARF2_UNWIND_INFO is nonzero, not just defined.
8639 (dwarf2out_frame_finish): Output non-EH call frame info only
8640 if DWARF2_FRAME_INFO is nonzero.
8641 (convert_cfa_to_loc_list,
8642 compute_frame_pointer_to_cfa_displacement): Define even if
8643 unwind info is not supported.
8644 (gen_subprogram_die): Use the above unconditionally. Remove
8645 legacy alternate code.
8646 * toplev.c (compile_file): Compile in call to
8647 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8648 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8650 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8651 Jakub Jelinek <jakub@redhat.com>
8653 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8654 IBM extended float format long double as "g" on powerpc*-linux.
8656 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8659 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8660 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8662 2006-02-03 Jason Merrill <jason@redhat.com>
8665 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8668 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8669 on the return slot if it's an NRV.
8671 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8673 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8674 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8675 rewrite_use): Do not handle USE_OUTER.
8676 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8677 add_iv_outer_candidates, may_replace_final_value,
8678 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8679 (find_interesting_uses_op): Functionality of
8680 find_interesting_uses_outer_or_nonlin moved here.
8681 (find_interesting_uses_outside): Use find_interesting_uses_op.
8683 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8686 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8688 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8689 Ulrich Weigand <uweigand@de.ibm.com>
8692 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8693 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8694 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8695 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8697 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8698 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8699 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8700 Define secondary reloads for TFmode moves.
8701 (constant_modes): Add TFmode.
8702 (NR_C_MODES): Set to 8.
8703 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8705 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8706 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8707 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8708 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8709 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8710 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8711 (FPR mode macro): Add TFmode.
8712 (DSF mode macro): New.
8713 (<de>, <dee> mode attributes): Removed.
8714 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8715 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8716 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8717 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8718 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8719 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8720 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8721 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8722 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8723 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8724 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8725 "*negabs<mode>2", "sqrt<mode>2"):
8726 Changed <de> to <xde>. R constraint replaced by <Rf>.
8727 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8729 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8730 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8731 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8733 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8734 "extenddftf2", "extendsftf2"): New expanders.
8735 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8736 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8737 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8738 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8740 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8741 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8742 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8743 __floatditf): Add a GCC_4.1.0 symbol version tag.
8744 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8747 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8750 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8751 Use targetm.binds_local_p instead of TREE_PUBLIC.
8753 2006-02-02 Roger Sayle <roger@eyesopen.com>
8755 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8756 on INTEGER_TYPEs to indicate that it denotes a character type.
8757 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8758 signed_char_type_node, unsigned_char_type_node and char_type_node.
8759 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8760 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8761 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8763 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8764 Daniel Berlin <dberlin@dberlin.org>
8766 * tree-tailcall.c (arg_needs_copy_p): New function.
8767 (eliminate_tail_call): Use arg_needs_copy_p.
8768 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8769 (add_virtual_phis): New function.
8771 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8773 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8774 #ignore instead of #scratch for %g7 .register directive.
8776 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8778 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8781 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8783 * flow.c (calculate_global_regs_live): Assert that there aren't any
8786 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8788 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8790 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8791 bsi_after_labels iterator.
8792 * tree-if-conv.c (find_phi_replacement_condition,
8793 replace_phi_with_cond_modify_expr): Likewise.
8794 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8795 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8797 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8799 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8801 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8804 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8805 array after growing it.
8807 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8810 * fold-const.c (fold_checksum_tree): Change type of buf.
8812 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8814 * reload.c (push_secondary_reload): Initialize t_icode.
8816 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8818 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8819 -msoft-float -mlong-double-128 only issue a warning, but don't
8820 swich to DFmode long double.
8822 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8824 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8825 has a constant equivalent, iterate over equivalents for arg0,
8826 calling simplify_relational_operation and if there's a result
8827 cheaper than X, apply fold_rtx and return the result.
8829 2006-02-01 Jan Hubicka <jh@suse.cz>
8831 * opts.c (no_unit_at_a_time_default): New global variable.
8832 (decode_options): Use it.
8833 * opts.h (no_unit_at_a_time_default): Declare.
8835 2006-02-01 Paul Brook <paul@codesourcery.com>
8837 * function.c (assign_parm_setup_reg): Use function argument promotion
8839 * expr.c (expand_expr_real_1): Use function argument promotion rules
8842 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8844 * gcc.c (process_command): Change j to 'unsigned int'.
8846 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8849 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8850 Use the corrected index for the character
8851 out of the string constant.
8853 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8855 * mode-switching.c (optimize_mode_switching): Fix size
8856 allocated for bb_info[n_entities].
8858 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8860 * gcc.c (main): Correct type that is allocated for
8861 explicit_link_files.
8863 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8865 * config/s390/s390.c (init_alignment_context): Set
8866 ALIAS_SET_MEMORY_BARRIER on the MEM.
8867 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8869 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8872 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8874 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8877 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8879 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8880 * regrename.c: Ditto.
8881 * tree-ssa-loop-im.c: Ditto.
8882 * tree-dump.c: Ditto.
8883 * tree-complex.c: Ditto.
8884 * genrecog.c: Ditto.
8885 * tree-ssa-threadupdate.c: Ditto.
8887 * java/class.c: Ditto.
8888 * java/jcf-parse.c: Ditto.
8889 * java/resource.c: Ditto.
8890 * java/except.c: Ditto.
8891 * java/jvspec.c: Ditto.
8892 * java/jcf-write.c: Ditto.
8893 * java/jcf-path.c: Ditto.
8894 * java/gjavah.c: Ditto.
8895 * java/zextract.c: Ditto.
8896 * java/jcf-io.c: Ditto.
8897 * java/jcf.h: Ditto.
8898 * java/buffer.c: Ditto.
8899 * java/lang.c: Ditto.
8900 * java/parse-scan.y: Ditto.
8901 * java/lex.c: Ditto.
8902 * java/lex.h: Ditto.
8903 * cfgloopmanip.c: Ditto.
8904 * postreload-gcse.c: Ditto.
8905 * tree-ssa-loop-manip.c: Ditto.
8906 * postreload.c: Ditto.
8907 * tree-ssa-loop-ch.c: Ditto.
8911 * diagnostic.c: Ditto.
8913 * genoutput.c: Ditto.
8915 * cfghooks.c: Ditto.
8916 * cfgloopanal.c: Ditto.
8917 * objc/objc-act.c: Ditto.
8919 * genextract.c: Ditto.
8920 * genautomata.c: Ditto.
8921 * pretty-print.c: Ditto.
8923 * cgraphunit.c: Ditto.
8926 * haifa-sched.c: Ditto.
8927 * dominance.c: Ditto.
8929 * tree-ssa-loop-ivopts.c: Ditto.
8931 * mode-switching.c: Ditto.
8932 * modulo-sched.c: Ditto.
8934 * ipa-pure-const.c: Ditto.
8936 * fix-header.c: Ditto.
8938 * tree-stdarg.c: Ditto.
8939 * ipa-utils.c: Ditto.
8940 * loop-init.c: Ditto.
8941 * ipa-inline.c: Ditto.
8944 * alloc-pool.c: Ditto.
8945 * dwarf2out.c: Ditto.
8947 * genattrtab.c: Ditto.
8948 * tree-ssa-loop-ivcanon.c: Ditto.
8952 * fortran/gfortranspec.c: Ditto.
8954 * local-alloc.c: Ditto.
8955 * langhooks.c: Ditto.
8956 * function.c: Ditto.
8957 * tree-vectorizer.c: Ditto.
8959 * ipa-type-escape.c: Ditto.
8961 * tree-if-conv.c: Ditto.
8964 * tree-data-ref.c: Ditto.
8965 * loop-unroll.c: Ditto.
8966 * treelang/treetree.c: Ditto.
8969 * ggc-common.c: Ditto.
8971 * coverage.c: Ditto.
8973 * tree-cfgcleanup.c: Ditto.
8974 * tree-ssa-pre.c: Ditto.
8975 * cfgcleanup.c: Ditto.
8976 * loop-invariant.c: Ditto.
8978 * ipa-prop.c: Ditto.
8979 * print-tree.c: Ditto.
8980 * conflict.c: Ditto.
8981 * ggc-page.c: Ditto.
8982 * sched-deps.c: Ditto.
8983 * regclass.c: Ditto.
8984 * tree-object-size.c: Ditto.
8986 * bb-reorder.c: Ditto.
8987 * resource.c: Ditto.
8988 * var-tracking.c: Ditto.
8990 * df-problems.c: Ditto.
8991 * reg-stack.c: Ditto.
8994 * sched-rgn.c: Ditto.
8995 * tree-ssa-structalias.c: Ditto.
8996 * tree-ssa-reassoc.c: Ditto.
8997 * config/darwin-c.c: Ditto.
8998 * config/darwin.c: Ditto.
8999 * config/arm/arm.c: Ditto.
9001 * collect2.c: Ditto.
9004 2006-01-31 Nicolas Pitre <nico@cam.org>
9006 * arm.md (smaxsi3): Make aware of smax_m1.
9009 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9011 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9013 2006-01-31 Richard Guenther <rguenther@suse.de>
9015 * doc/invoke.texi (-msselibm): Document.
9016 * target.h (expand_library_builtin): New target hook.
9017 * builtins.c (expand_builtin): Use expand_library_builtin.
9018 (default_expand_library_builtin): New function.
9019 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9020 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9021 (link_gcc_math_spec): Declare.
9022 (static_specs): Add link_gcc_math_spec.
9023 * expr.h (default_expand_library_builtin): Declare.
9024 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9025 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9026 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9027 * config/i386/i386.opt (msselibm): New target option.
9028 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9029 (ix86_init_sse_abi_builtins): New function.
9030 (ix86_expand_library_builtin): Likewise.
9031 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9032 (override_options): Handle error conditions wrt -msselibm.
9033 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9034 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9035 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9038 2006-01-31 Richard Guenther <rguenther@suse.de>
9039 Paolo Bonzini <bonzini@gnu.org>
9041 * doc/install.texi (--disable-libgcc-math): Document.
9043 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9045 * expr.h (expand_normal): new inline function.
9046 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9048 * dwarf2out.c: use it.
9053 * config/sparc/sparc.c: use it.
9054 * config/i386/i386.c: use it.
9055 * config/rs6000/rs6000.c: use it.
9056 * config/arm/arm.c: use it.
9057 * config/mips/mips.c: use it.
9058 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9060 2006-01-30 Roger Sayle <roger@eyesopen.com>
9062 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9063 argv to the appropriate type.
9065 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9067 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9070 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9073 * config/s390/s390.c (struct machine_function): New flag
9074 decomposed_literal_pool_addresses_ok_p.
9075 (s390_reorg): Set it before final stage of literal pool transforms.
9076 (s390_decompose_address): Only accept displacements of the form
9077 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9079 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9081 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9082 the comparison routine return.
9084 2006-01-30 Michael Matz <matz@suse.de>
9086 * global.c (find_reg): Only evict for global regs.
9087 Take n_refs into account and dump more info.
9089 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9092 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9093 (pragma_trap, pragma_nosave_low_regs): Likewise.
9094 (current_function_anonymous_args): Likewise.
9095 (sh_deferred_function_attributes): New variable.
9096 (sh_deferred_function_attributes_tail): Likewise.
9097 (print_operand): For '@', look up trap_exit attribute.
9098 (calc_live_regs): Look up trapa_handler attribute. For trapa
9099 handlers, save/restore fpscr, but don't do any other
9100 interrupt-specific saves.
9101 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9102 Fix check for partially saved registers to check for SHmedia.
9103 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9104 (sh_output_function_epilogue): Don't clear any of the removed
9106 (sh_insert_attributes): Don't check pragma_interrupt.
9107 Insert deferred attributes. Check that interrupt attribute is
9108 present for other attributes that require its presence.
9109 (sh_attribute_table): Add new attributes trapa_handler and
9111 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9112 Don't check for pragma_interrupt. Don't store argument.
9113 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9114 (sh_deferred_function_attributes): Declare.
9115 (sh_deferred_function_attributes_tail): Likewise.
9116 * sh.md (sp_switch_1): Add operand. Change generator caller.
9117 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9118 (*return_i): Don't use when trap_exit attribute is in effect.
9119 (*return_trapa): New insn pattern.
9121 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9122 setting c_target_objs and cxx_target_objs.
9123 * t-sh: Add rule for sh-c.o.
9125 2006-01-30 Richard Guenther <rguenther@suse.de>
9128 * gimplify.c (gimplify_target_expr): Handle easy cases
9129 without creating a temporary.
9131 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9133 * vec.h (safe_grow): Remove duplicated line.
9135 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9138 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9139 (expand_omp): ... here.
9140 (expand_omp_parallel): Only remove barriers for combined
9141 parallel+workshare constructs.
9143 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9147 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9148 * tree.c (build_qualified_type): Chain the new type to the original
9149 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9150 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9151 (build_pointer_type_for_mode): Only return unqualified types.
9152 (build_reference_type_for_mode): Likewise.
9154 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9156 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9157 * Makefile.in (CXX_COMPAT_WARN): Define.
9158 * configure: Regenerate.
9160 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9163 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9166 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9168 * toplev.c: Fix thinko.
9170 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9171 Marcin Dalecki <martin@dalecki.de>
9173 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9174 (push_srcloc): Use XNEW.
9175 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9177 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9179 * df-core.c (df_set_blocks): Deleted all variable.
9181 2006-01-28 Ian Lance Taylor <ian@airs.com>
9183 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9184 cgraph_output_pending_asms.
9186 2006-01-28 Zack Weinberg <zackw@panix.com>
9188 * c.opt: Add -W(no-)overlength-strings.
9189 * doc/invoke.texi: Document it.
9190 * c-opts.c (c_common_handle_option): -pedantic implies
9191 -Woverlength-strings, if not explicitly disabled already.
9192 (c_common_post_options): -Woverlength-strings defaults to off, and
9193 is always off for C++.
9194 * c-common.c (fix_string_type): Issue warning about strings longer
9195 than is portable only if warn_overlength_strings. Rearrange code
9196 a little for clarity.
9197 * configure.in: Check for -Wno-overlength-strings as well before
9198 enabling -pedantic in stage 1.
9199 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9200 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9202 * genconditions.c (write_header, write_one_condition)
9203 (write_conditions, write_writer): Consolidate very long strings
9204 that were broken up to fit in C89 portable limit. Don't use
9205 printf when fputs will do.
9207 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9209 * combine.c (simplify_comparison <AND>): Check
9210 TRULY_NOOP_TRUNCATION before start using a subreg.
9212 * config/mips/mips.md (*branch_zero<mode>,
9213 *branch_zero<mode>_inverted, *branch_equality<mode>,
9214 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9215 Remove mode check from comparisons.
9217 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9219 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9221 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9223 * expmed.c (const_mult_add_overflow_p): Remove.
9224 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9226 * recog.c (validate_replace_rtx_subexp): Remove.
9227 * recog.h: Remove the prototype for
9228 validate_replace_rtx_subexp.
9230 * integrate.h: Remove the prototype for
9231 copy_decl_for_inlining.
9232 * rtl.h: Remove the prototype for mark_constant_function.
9233 * tree-vectorizer.h: Remove the prototype for
9234 vect_strip_conversion.
9236 * modulo-sched.c (create_partial_schedule,
9237 free_partial_schedule, reset_partial_schedule): Make them
9240 * hooks.c (hook_bool_rtx_int_false): Remove.
9241 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9243 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9245 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9246 and -mlong-double-128 are incompatible.
9247 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9248 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9249 (TARGET_LIBGCC2_CFLAGS): Define.
9250 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9251 (TARGET_LIBGCC2_CFLAGS): Same.
9252 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9254 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9257 * c-typeck.c (build_binary_op): Perform implicit casts of
9258 operands before shortening them.
9260 * cfgloopmanip.c (split_loop_bb): Remove.
9261 * cfgloop.h: Remove the prototype for split_loop_bb.
9263 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9264 * cfgloop.h: Remove the prototype for
9265 flow_loop_outside_edge_p.
9267 * emit-rtl.c (init_virtual_regs): Make it static.
9268 * function.h: Remove the prototype for init_virtual_regs.
9270 * recog.c (peephole2_optimize): Make it static.
9271 * recog.h: Remove the prototype for peephole2_optimize.
9273 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9275 * df-scan.c (df_record_entry_block_defs): Check if
9276 INCOMING_RETURN_ADDR_RTX is defined.
9278 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9279 Kenneth Zadeck <zadeck@naturalbridge.com>
9281 PR rtl-optimization/24762
9282 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9283 * targhooks.c (hook_void_bitmap): New hook prototype.
9284 * targhoohs.h (hook_void_bitmap): Ditto.
9285 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9286 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9287 * target.h (live_on_entry): New function pointer.
9288 * df-scan.c (df_all_hard_regs): Removed.
9289 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9290 (df_scan_free_internal): Added df->entry_block_defs.
9291 (df_scan_alloc): Ditto.
9292 (df_scan_dump): Ditto.
9293 (df_uses_record): Plumbed flag field properly thru calls.
9294 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9295 This part fixes PR24762.
9296 (df_bb_refs_record): Added code to make the frame and arg
9297 pointers live in EH blocks.
9298 (df_refs_record): Added call to df_record_entry_block_defs.
9299 (df_record_entry_block_defs): New function.
9300 * df-core.c: Added comments to describe new artifical defs.
9301 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9302 (entry_block_defs): New field in struct df.
9303 (df_all_hard_regs): Deleted.
9304 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9305 * df-problems.c (df_ru_bb_local_compute_process_def):
9306 Added code to handle artifical defs in the entry to a function.
9307 (df_ru_bb_local_compute): Ditto.
9308 (df_rd_bb_local_compute_process_def): Ditto.
9309 (df_rd_bb_local_compute): Ditto.
9310 (df_lr_bb_local_compute): Ditto.
9311 (df_ur_bb_local_compute): Ditto.
9312 (df_urec_bb_local_compute): Ditto.
9313 (df_chain_create_bb): Ditto.
9314 (df_ur_local_finalize): Removed entry.
9315 (df_urec_init): Ditto.
9316 (df_urec_local_finalize): Ditto.
9317 (df_ri_bb_compute): Added detection of last use of pseudos.
9318 * Makefile.in (df-scan.o): Updated dependencies.
9319 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9320 * config/mips/mips.c (mips_set_live_on_entry): Added.
9321 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9323 * dce.c (marked_insn_p): Added code to handle artifical defs.
9325 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9327 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9329 (_mm_cvtsi128_si64): Likewise.
9330 (_mm_cvtsd_si64): Likewise.
9331 (_mm_cvttsd_si64): Likewise.
9332 (_mm_cvtsi64_sd): Likewise.
9333 (_mm_cvtsi64_si128): Likewise.
9334 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9335 (_mm_cvtsi64_m64): Likewise.
9336 (_m_to_int64): Likewise.
9337 (_mm_cvtm64_si64): Likewise.
9338 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9339 (_mm_cvttss_si64): Likewise.
9340 (_mm_cvtsi64_ss): Likewise.
9341 (_mm_cvtss_f32): Likewise.
9343 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9345 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9346 for pragma redefine_extname.
9348 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9351 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9352 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9353 -mno-minimal-toc to previous content.
9354 (bispecs): Remove goal.
9355 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9356 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9357 compatibility aliases on powerpc-*-*gnu*.
9358 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9359 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9360 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9361 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9362 (ldblspecs): New goal.
9363 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9364 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9366 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9367 L_sf_to_tf or L_df_to_tf is defined.
9369 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9370 Alan Modra <amodra@bigpond.net.au>
9373 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9374 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9375 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9376 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9377 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9378 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9379 (rs6000_override_options): Initialize rs6000_ieeequad.
9380 Initialize TFmode format to ibm_extended_format if not
9382 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9384 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9385 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9386 (function_arg_advance): IBM long double passed in two FPRs, not
9388 (function_arg): IBM long double passed in FPRs.
9389 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9390 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9391 Only multireg GPR aligned.
9392 (rs6000_init_libfuncs): Enable IBM long double functions if not
9394 (rs6000_generate_compare): Use IBM long double compare if not
9396 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9397 (TARGET_IEEEQUAD): Define.
9398 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9399 not TARGET_IEEEQUAD.
9400 * config/rs6000/rs6000.md: Enable TFmode patterns if
9402 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9403 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9404 and -mlong-double-128 are incompatible.
9405 * doc/invoke.texi (-mabi): Collect options together. Add
9406 ibmlongdouble and ieeelongdouble.
9408 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9410 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9412 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9413 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9414 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9415 * rtl.h (rtunion_def): Remove rt_ptr.
9417 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9418 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9419 * config/i386/winnt.c (i386_pe_mark_dllexport)
9420 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9422 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9424 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9426 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9430 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9431 pthread_key_delete. From John David Anglin. gthrw-ify
9432 pthread_getunique_np only if it it's not a macro. Delete
9434 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9435 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9436 __gthread_objc_condition_signal, __gthread_key_delete): Add
9437 "__attribute__ ((__unused__))" to unused arguments.
9438 (__gthread_recursive_mutex_init_function): Add missing return.
9439 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9440 gthr-posix95.h: Use macro-based approach for name redirection
9441 on targets missing weakref.
9443 2006-01-26 Zack Weinberg <zackw@panix.com>
9445 * genconditions.c (write_header): In generated code, #ifdef out
9446 all includes and fake declarations, except includes of bconfig.h
9447 and system.h, unless GCC_VERSION >= 3001. Do not include
9448 gensupport.h in any case.
9449 (write_conditions): Generate a definition of struct c_test. Add
9450 a comment to the generated #endif.
9451 (write_one_condition): Escape backslashes in string too.
9452 (write_writer): Generated code must escape backslashes and quote
9453 marks (but not newlines) in the strings it writes.
9454 * Makefile.in (build/gencondmd.o): Update dependencies.
9456 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9459 * Makefile.in (insn-automata.o): Add header file dependencies.
9460 * genautomata.c: Add includes.
9462 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9465 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9467 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9469 * configure.ac: Expect target tools paths to be passed from the toplevel
9470 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9472 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9474 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9477 * c.opt (Wpointer-sign): Init to -1.
9478 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9479 OPT_pedantic, to 0 otherwise.
9480 * doc/invoke.texi: Update.
9482 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9484 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9485 constants provided by 80387 instructions in the destination mode.
9487 2006-01-26 Richard Guenther <rguenther@suse.de>
9488 Andrew Pinski <pinskia@physics.uc.edu>
9491 partial PR tree-opt/17064
9492 * tree-ssa-structalias.c (intra_create_variable_infos):
9493 Create heap variables for incoming parameters if
9494 flag_argument_noalias > 1.
9495 (find_what_p_points_to): Look through default defs of
9498 2006-01-26 Jeff Law <law@redhat.com>
9501 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9502 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9503 within the VR_RANGE, use the VR_RANGE as the result, not the
9505 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9506 bounds for the type.
9508 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9510 * tree-ssa-alias.c (maybe_create_global_var): Change
9511 subvar walking to an assertion that we don't have subvar'd variables.
9513 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9516 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9517 Use a new variable, inner. PARM_DECLs are always non-weak.
9519 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9521 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9524 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9526 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9528 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9530 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9531 (smax_insn, smin_insn, smax_0, smin_0): New.
9533 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9536 * config/cris/cris.c (cris_order_for_addsi3): New function.
9537 * config/cris/cris-protos.h: Prototype it.
9538 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9539 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9540 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9541 (split for "op.S1 [rx=rx+i],ry (swapped)")
9542 (split for "op(s|u).S1 [rx=rx+i],ry")
9543 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9544 Apply cris_order_for_addsi3 when generating addsi3 insns.
9546 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9548 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9549 (TREE_BLOCK): Add call to EXPR_CHECK.
9551 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9554 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9555 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9556 (dump_omp_clauses): ... here.
9557 (dump_generic_node): Handle OMP_CLAUSE.
9558 * tree.c (omp_clause_num_ops): New.
9559 (omp_clause_code_name): New.
9560 (tree_code_size): Handle OMP_CLAUSE.
9561 (tree_size): Likewise.
9562 (make_node): Document handling of OMP_CLAUSE.
9563 (tree_node_structure): Handle OMP_CLAUSE.
9564 (omp_clause_check_failed): New.
9565 (omp_clause_range_check_failed): New.
9566 (omp_clause_operand_check_failed): New.
9567 (build_omp_clause): New.
9568 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9569 * tree.h (enum omp_clause_code): Declare.
9570 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9571 (OMP_CLAUSE_RANGE_CHECK): Define.
9572 (OMP_CLAUSE_ELT_CHECK): Define.
9573 (omp_clause_check_failed): Declare.
9574 (omp_clause_operand_check_failed): Declare.
9575 (omp_clause_range_check_failed): Declare.
9576 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9577 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9578 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9579 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9580 (OMP_CLAUSE_IF_EXPR): Likewise.
9581 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9582 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9583 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9584 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9585 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9586 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9587 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9588 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9589 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9590 (OMP_CLAUSE_CODE): Define.
9591 (OMP_CLAUSE_SET_CODE): Define.
9592 (OMP_CLAUSE_CODE): Define.
9593 (OMP_CLAUSE_OPERAND): Define.
9594 (struct tree_omp_clause): Declare.
9595 (union tree_node): Add field 'omp_clause'.
9596 * treestruct.def (TS_OMP_CLAUSE): Define.
9597 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9598 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9599 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9600 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9601 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9602 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9603 (OMP_CLAUSE): Define.
9604 * print-tree.c (print_node): Handle OMP_CLAUSE.
9605 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9606 * c-typeck.c: Likewise.
9607 * gimplify.c: Likewise.
9608 * c-omp.c: Likewise.
9609 * tree-nested.c: Likewise.
9610 * tree-inline.c: Likewise.
9611 * c-parser.c: Likewise.
9612 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9615 2006-01-25 Roger Sayle <roger@eyesopen.com>
9617 PR rtl-optimization/25703
9618 * combine.c (try_combine): Handle zero_extract and strict_low_part
9619 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9621 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9623 * global.c: Fix comment typos.
9625 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9628 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9629 Use output_addr_const instead of assemble_name.
9631 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9633 * Makefile.in (sched-vis.o): Update dependencies.
9634 * haifa-sched.c (sched_finish): Clear current_sched_info.
9635 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9636 (dump_flow_info): Call it.
9637 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9639 * basic-block.h (dump_bb_info): Declare.
9640 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9641 option, and apply options only for dump files whose TDF_RTL,
9642 TDF_TREE, or TDF_IPA bits match.
9643 * rtl.h: Declare new functions exported from sched-vis.c.
9644 * sched-vis.c: Enable also if scheduling is not used.
9645 (print_value): Print the mode of registers if not inside scheduling.
9646 (print_insn): Make it work outside the scheduler. Beautify the output
9648 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9650 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9652 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9653 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9654 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9655 depending on the value of CONSTANT_POOL_ADDRESS_P.
9656 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9658 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9659 rather than SYMBOL_REF_DECL.
9660 (rtx_constant_pool): Remove const_rtx_sym_htab.
9661 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9662 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9663 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9664 Remove handling of const_rtx_sym_htab.
9665 (find_pool_constant): Delete.
9666 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9667 rather than find_pool_constant.
9668 (get_pool_constant_for_function): Delete.
9669 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9671 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9672 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9673 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9674 (SYMBOL_REF_CONSTANT): New macro.
9675 (get_pool_constant_for_function): Delete.
9676 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9677 rather than SYMBOL_REF_DECL.
9678 (i386_pe_mark_dllimport): Likewise.
9679 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9680 rather than SYMBOL_REF_DECL.
9681 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9682 (machopic_indirect_call_target): Likewise.
9684 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9686 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9688 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9690 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9692 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9694 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9696 2006-01-24 David Daney <ddaney@avtrex.com>
9699 * configure.ac (enable_tls): New enable option.
9700 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9701 * configure: Regenerate.
9702 * doc/install.texi (--enable-tls): Document new option.
9703 (--disable-tls): Ditto.
9705 2006-01-24 Richard Henderson <rth@redehat.com>
9707 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9708 * alias.c (true_dependence): Respect it.
9709 (canon_true_dependence, write_dependence_p): Likewise.
9710 * builtins.c (get_builtin_sync_mem): Set it.
9712 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9714 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9717 2006-01-24 DJ Delorie <dj@redhat.com>
9719 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9720 for storing constants in single-bit bitfields.
9722 2006-01-25 Ben Elliston <bje@au.ibm.com>
9724 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9726 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9729 * tree-ssa-pre.c (phi_translate): Return NULL
9730 for AGGREGATE_TYPE's.
9732 2006-01-24 Zack Weinberg <zackw@panix.com>
9734 * genautomata.c (process_state_for_insn_equiv_partition):
9735 Use xcalloc for insn_arcs_array.
9736 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9737 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9739 2006-01-24 Richard Henderson <rth@redhat.com>
9741 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9744 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9746 PR rtl-optimization/25890
9747 PR rtl-optimization/25905
9748 * combine.c (expand_compound_operation, expand_field_assignment):
9749 Fail if the bitfield's final position is out of bounds.
9751 2006-01-24 Ian Lance Taylor <ian@airs.com>
9754 * cgraphunit.c (cgraph_output_in_order): Don't clear
9755 cgraph_asm_nodes until after asm strings have been output.
9757 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9759 * fix-header.c (read_scan_file): Add new parameter imultilib when
9760 calling register_include_chains.
9762 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9764 * omp-low.c: Update documentation.
9766 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9767 Daniel Berlin <dberlin@dberlin.org>
9771 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9772 return from the function.
9774 2006-01-22 Zack Weinberg <zackw@panix.com>
9776 * rtl.def (match_code): Add second argument.
9777 * genpreds.c (write_extract_subexp): New function.
9778 (write_match_code): Add path argument. Use write_extract_subexp.
9779 (write_predicate_expr): Pass path to write_match_code.
9780 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9781 not perform a mode test.
9782 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9783 a subexpression does not constrain the top-level code set.
9784 * read-rtl.c (read_rtx_variadic): New function.
9785 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9786 * doc/md.texi: Document new notation.
9787 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9788 (cmpsi_operand): ... here, using new notation.
9790 2006-01-22 Zack Weinberg <zackw@panix.com>
9792 * varray.c: Remove GENERATOR_FILE #ifdefs.
9794 2006-01-22 Zack Weinberg <zackw@panix.com>
9796 * genautomata.c (output_reserved_units_table): Emit nothing if
9797 description->query_units_num is zero. Remove extra blank line.
9798 (output_cpu_unit_reservation_p): Short circuit
9799 if description->query_units_num is zero.
9801 2006-01-22 Zack Weinberg <zackw@panix.com>
9803 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9804 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9805 nor any of the random handful of variables that used to be necessary
9806 when this program was linked with rtlanal.o. Prune set of forward
9807 function declarations.
9808 (struct attr_desc): Remove static_p field.
9809 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9810 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9811 (attr_string): Do not read the character one past the length of
9813 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9814 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9815 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9816 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9817 (make_automaton_attrs): New.
9818 (main): Do not call into genautomata. Call local gen_bypass
9819 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9820 Remove special case for insn_alts.
9821 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9822 varray.h (leftover from previous change). Prune set of forward
9823 function declarations. Remove state_alts fields from all
9824 structures. Remove state_alts_table from struct automaton.
9825 Make everything except main static. Do not maintain num_dfa_decls.
9826 Do not maintain state_alts fields of various structures.
9827 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9828 (add_arc): Remove state_alts argument. All callers updated.
9829 (output_reserved_units_table): Emit #ifdef here...
9830 (output_tables): ...not here. Don't generate state_alts tables.
9831 (expand_automata): Don't generate attributes.
9832 (write_automata): Don't generate state_alts functions.
9833 (main): New function.
9834 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9835 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9836 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9837 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9838 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9839 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9840 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9841 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9843 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9844 * genattrtab.h: Delete file.
9845 * Makefile.in (OBJS-common): Add insn-automata.o.
9846 (insn-automata.o): New rule.
9847 (simple_generated_c): Add insn-automata.c.
9848 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9849 (genprogmd): Add automata.
9850 (build/genattrtab): Needs no extra objects nor libraries.
9851 (build/genautomata): Needs build/vec.o and -lm.
9853 2006-01-22 Zack Weinberg <zackw@panix.com>
9855 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9856 (output_dfa_max_issue_rate, locked_states_num): Delete.
9857 (struct automaton): Add locked_states field.
9858 (output_dead_lock_vect): Save number of locked states in
9859 automaton->locked_states. If it is zero, don't print anything.
9860 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9861 (output_internal_dead_lock_func): Only test the dead_lock_vect
9862 for automata that have locked states.
9863 (output_statistics): Always print the number of locked states for
9864 each automaton. Calculate total number of locked states here.
9865 (write_automata): Don't call output_dfa_max_issue_rate.
9866 * genattrtab.c: Define length_unit_log as a const variable.
9867 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9868 max_insn_queue_index const.
9869 * final.c (length_unit_log): Declare const.
9870 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9872 2006-01-22 Zack Weinberg <zackw@panix.com>
9874 * genautomata.c: Include vec.h, not varray.h.
9875 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9876 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9877 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9878 VEC_* macros operating on appropriately typed vectors, or to
9879 malloced arrays when the size is known in advance. Const-ify
9880 many char* variables and function arguments. No functional changes.
9881 * Makefile.in (build/varray.o): Delete rule.
9882 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9883 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9885 2006-01-22 Zack Weinberg <zackw@panix.com>
9887 * gensupport.c: Define get_insn_name and record_insn_name here.
9888 (read_md_rtx): Call record_insn_name as appropriate.
9889 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9890 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9891 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9893 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9894 (BUILD_VARRAY): Delete.
9895 (genprognormal): Rename genprogmd. Fold in all programs from
9896 genprognoprint; also attrtab.
9897 (build/genattrtab): Just mention genautomata.o and varray.o.
9898 Reorganize a bit, add comments to make the categories clearer.
9900 2006-01-22 Zack Weinberg <zackw@panix.com>
9902 * genconditions.c (condition_table, add_condition): Delete.
9903 (write_conditions): Don't emit n_insn_conditions nor
9904 insn_elision_unavailable. Issue the gcc version #ifdef here,
9905 inside the table, with no #else clause ...
9906 (write_header): ...not here.
9907 (write_writer): New function.
9908 (main): Don't initialize condition_table. Use add_c_test.
9910 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9911 files on the command line.
9912 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9913 Return -1 if there is no entry in the table, don't abort.
9914 (add_c_test, traverse_c_tests): New functions.
9915 * gensupport.h (insn_elision_unavailable, insn_conditions)
9916 (n_insn_conditions): Delete declarations.
9917 (add_c_test, traverse_c_tests): Declare.
9918 * read-rtl.c: Include gensupport.h.
9919 (read_conditions): New function.
9920 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9921 (read_rtx_1): If we get EOF when we were looking for an initial
9922 open paren, return 0. Call read_conditions when appropriate.
9923 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9924 dummy-conditions.o. Eliminate references to insn-conditions.o,
9925 or change them to build/gencondmd.o, as appropriate. Remove
9926 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9927 from $(simple_generated_c). For all files remaining in those
9928 two lists, add insn-conditions.md to the generator command line.
9929 Give insn-constants.h/s-constants their own rules. Add rules
9930 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9931 (build/read-rtl.o): Depend on gensupport.h.
9932 (genprognormal): Include preds.
9933 (genprogearly): Rename genprognoprint; only difference is now that
9934 they don't link with $(BUILD_PRINT).
9935 * dummy-conditions.c: Delete.
9937 2006-01-22 Zack Weinberg <zackw@panix.com>
9939 * genextract.c: Don't include insn-config.h. Do include vec.h.
9940 Declare vectors of int, char, and locstr.
9941 (locstr): New typedef.
9942 (struct extraction): Make all array fields into bare pointers.
9943 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9944 (insn_code_number): Delete.
9945 (accum_extract): New struct.
9946 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9947 (gen_insn): Take insn_code_number as an argument. Use an
9948 accum_extract structure instead of loading data directly into
9949 a struct extraction, and having to know how big it might get.
9950 (walk_rtx): Operate entirely on an accum_extract structure.
9951 (print_path): Avoid unnecessary use of printf.
9952 (print_header): New function, split out of main. Distinguish
9953 more carefully between an unrecognizable insn and an insn that
9954 has the code number of a define_expand.
9955 (main): Pass insn_code_number to gen_insn. Call print_header
9956 only after parsing. Avoid unnecessary use of printf.
9957 * Makefile.in (build/vec.o): New rule.
9958 (build/genextract): Depend on build/vec.o.
9959 (build/genextract.o): Don't depend on insn-config.h.
9961 2006-01-22 Zack Weinberg <zackw@panix.com>
9963 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9964 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9965 practical. Eliminate per-generator-program link rules.
9967 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9970 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9971 with a call expr to ...
9972 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9974 2006-01-23 Richard Guenther <rguenther@suse.de>
9976 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9977 before make_edge with conditional EDGE_TRUE_VALUE.
9979 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9980 Jan Hubicka <jh@suse.cz>
9981 Richard Guenther <rguenther@suse.de>
9983 PR rtl-optimization/25654
9984 * cfgexpand.c (aggregate_contains_union_type): New function.
9985 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9986 for structure variables that contain a union type.
9988 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9990 * gengtype.c (new_structure): Return the structure.
9991 (create_option): Add an extra "next" argument.
9992 (create_field): New function.
9993 (adjust_field_rtx_def): Use create_option and create_field.
9994 Remove a now-unnecessary call to find_structure.
9995 (adjust_field_tree_def): Likewise.
9996 (note_yacc_type): Remove an unnecessary call to find_structure.
9997 * gengtype.h (new_structure): Return the structure.
9998 (create_option): Add an extra argument.
9999 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10000 (option): Adjust calls to create_option.
10002 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10004 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10006 2006-01-22 Paul Brook <paul@codesourcery.com>
10007 Peter Barada <peter@the-baradas.com>
10009 * config/m68k/m68k.md: Add Coldfire FPU support.
10010 Define FP mode macro and associated attributes.
10011 Use it for float mode patterns.
10012 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10013 (LIBCALL_VALUE): Use m68k_libcall_value.
10014 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10015 (m68k_function_value): Ditto.
10016 (emit_move_sequence): Ditto.
10017 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10018 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10019 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10020 (MULTILIB_EXCEPTIONS): Ditto.
10021 * config/m68k/m68k.opt: Add mcfv4e.
10022 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10023 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10024 (m68k_output_function_prologue): Save ColdFire FPU registers.
10025 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10026 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10027 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10028 ColdFire FPU registers.
10029 (m68k_libcall_value, m68k_function_value): New functions.
10030 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10031 (LIBCALL_VALUE): Use m68k_libcall_value.
10032 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10033 (MASK_COLDFIRE): Add MASK_CFV4E.
10034 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10035 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10036 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10037 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10038 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10039 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10040 * doc/invoke.tex: Document -mcfv4e on m68k.
10042 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10044 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10047 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10050 * c-opts.c (c_common_handle_option): Don't include
10051 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10052 * doc/invoke.texi (C++ Dialect Options): Document that
10053 -Wnon-virtual-dtor is no longer included in -Wall.
10055 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10057 * gcov.c (print_version), gcov-dump.c (print_version),
10058 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10061 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10063 * df-scan.c (problem_SCAN): Added NULL reset function.
10064 (df_scan_reset_blocks): Added code to call reset block function
10065 (df_bb_refs_delete) Fixed comment.
10066 (df_insn_refs_delete): Made tolerant of deleting non existent info
10067 for dataflow problems that need to be reset.
10068 * df-core.c (df_set_blocks): Ditto.
10069 * df.h (struct df_problem): Added reset_fun.
10070 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10071 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10072 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10073 functions to clear out all references to def-use or use-def chains.
10075 2006-01-21 Ben Elliston <bje@au.ibm.com>
10077 * varasm.c (assemble_real): Initialise data array.
10079 2006-01-20 Paul Brook <paul@codesourcery.com>
10081 Merge from csl-arm-branch.
10082 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10083 * config/arm/arm.md (movdi): Force operands[1] to a register
10084 if we have a non-register source.
10085 (*arm_movdi, *movdf_soft_insn): Require that one of the
10086 operands be a register.
10087 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10088 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10090 2006-01-20 DJ Delorie <dj@redhat.com>
10092 * varasm.c (initializer_constant_valid_p): Allow pointers
10093 initialized from integer constants of lesser precision.
10094 (output_constant): Allow non-int-sized pointer modes to be
10095 initialized from integer constants.
10097 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10100 * cppdefault.h (struct default_include): Add multilib flag.
10101 * cppdefault.c (cpp_include_defaults): Set it.
10102 * c.opt (-imultilib): New option.
10103 * c-opts.c (imultilib): New.
10104 (c_common_handle_option): Handle -imultilib.
10105 (c_common_post_options): Likewise.
10106 * c-incpath.c (add_standard_paths, register_include_chains):
10108 * c-incpath.h (register_include_chains): Add extra parameter.
10109 * gcc.c (do_spec_1): Generate -imultilib option.
10110 (The Specs Language): Update %I description.
10111 (process_command): Update copyright notice.
10112 * doc/cppopts.texi (-imultilib): Document.
10113 * doc/invoke.texi (-imultilib): Include in option summary.
10114 (%I): Update specs documentation.
10116 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10118 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10120 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10122 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10125 2006-01-20 Richard Guenther <rguenther@suse.de>
10126 Steven Bosscher <stevenb.gcc@gmail.com>
10128 PR rtl-optimization/24626
10129 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10130 EDGE_TRUE_VALUE if in RTL mode.
10133 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10134 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10136 2006-01-20 Dirk Mueller <dmueller@suse.com>
10139 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10140 instead of a special NOP marker.
10141 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10142 NOP marker handling.
10143 * c-common.h (empty_body_warning): Add forward declaration.
10144 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10145 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10147 2006-01-20 Paul Brook <paul@codesourcery.com>
10149 * Makefile.in (lang_checks): Keep going if mkdir fails.
10151 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10153 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10154 be able to clean out basic block when not necessary.
10155 (df_scan_free): Fixed to properly delete information if df is
10156 unused before calling df_finish.
10157 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10158 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10160 (df_bb_refs_delete): New function.
10161 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10162 * df-core.c (df_set_blocks): Added code to properly clean out
10163 unused blocks if they are not part of the blocks to consider.
10164 Added additional null check.
10165 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10166 be able to clean out basic block when not necessary
10167 * df.h (df_free_bb_function): Ditto.
10168 (df_bb_refs_delete): New function.
10169 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10170 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10171 basic block parameter to be able to clean out basic block when not
10173 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10174 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10175 Fixed to properly delete information if df is unused before
10178 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10180 PR rtl-optimization/25799
10181 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10182 Corrected confluence operator to remove bits from op2 before oring
10183 with op1 rather than removing bits from op1.
10184 (df_ru_transfer_function): Corrected test on wrong bitmap which
10185 caused infinite loop. Both of these problems were introduced in
10186 the dataflow rewrite.
10188 2006-01-19 DJ Delorie <dj@redhat.com>
10190 * reload1.c (find_reload_regs): Note the details of reload
10191 failures in the dump file.
10192 (spill_failure): Likewise.
10194 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10196 * loop-iv.c: Include df.h and hashtab.h.
10197 (enum iv_grd_result): New enum.
10198 (DF_REF_IV, DF_REF_IV_SET): New macros.
10199 (struct biv_entry): New.
10200 (df, bivs): New global variables.
10201 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10202 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10204 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10205 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10206 analyzed_for_bivness_p, record_biv): New functions.
10207 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10208 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10209 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10211 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10213 (iv_number_of_iterations): Use new interface to iv analysis.
10214 * loop-unroll.c: Do not include varray.h.
10215 (analyze_iv_to_split_insn): Use new interface to iv
10217 * loop-unswitch.c (may_unswitch_on): Ditto.
10218 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10220 (df_bb_modify): Realloc tables to the new index.
10221 (df_find_use): New function.
10222 * df.h (df_find_use): Declare.
10223 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10225 * cfgloop.h (struct rtx_iv): Remove analysed field.
10226 (iv_get_reaching_def): Removed.
10227 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10228 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10229 (loop-iv.o): Add df.h and hashtab.h dependency.
10230 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10232 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10235 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10237 (__floatundisf, __floatundidf): Likewise.
10238 * libgcc2.h (IS_IBM_EXTENDED): Define.
10240 2006-01-19 DJ Delorie <dj@redhat.com>
10242 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10244 2006-01-19 Paul Brook <paul@codesourcery.com>
10246 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10247 as nothrow when unwinding tables are disabled.
10249 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10252 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10253 of bit-field" when in system header.
10255 2006-01-19 DJ Delorie <dj@redhat.com>
10257 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10258 the 16 bit shift limit of the m16c.
10260 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10263 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10264 * config/i386/i386.c (output_set_got): Output the label if we have one
10265 for the TARGET_DEEP_BRANCH_PREDICTION case.
10267 2006-01-19 Jan Hubicka <jh@suse.cz>
10268 H.J. Lu <hongjiu.lu@intel.com>
10269 Evandro Menezes <evandro.menezes@amd.com>
10271 * invoke.texi (generic): Document
10273 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10274 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10275 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10276 (x86_use_incdec, x86_pad_returns): New variables
10277 (TARGET_CPU_DEFAULT_generic): New constant
10278 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10279 (enum processor_type): Add generic32 and generic64.
10280 * i386.md (cpu attribute): Add generic32/generic64
10281 (movhi splitter): Behave sanely when both partial_reg_dependency and
10282 partial_reg_stall are set.
10283 (K8 splitters): Enable for generic as well.
10284 * predicates.md (incdec_operand): Use TARGET_INCDEC
10285 (aligned_operand): Avoid memory mismatch stalls.
10286 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10287 * ppro.md: Enable for generic32
10288 * i386.c (generic64_cost, generic32_cost): New.
10289 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10290 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10291 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10292 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10293 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10294 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10295 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10296 x86_accumulate_outgoing_args, x86_prologue_using_move,
10297 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10298 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10299 Enable for generic.
10300 (x86_use_incdec, x86_pad_returns): New.
10301 (override_options): Add generic32 and generic64, translate "generic"
10302 to generic32/generic64 and "i686" to "generic32", refuse
10303 "generic32"/"generic64" as arch target.
10304 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10305 (ix86_reorg): Honor PAD_RETURNS.
10307 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10309 * tree-pretty-print.c (dump_generic_node): Handle
10310 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10311 * cgraph.c (cgraph_expand_queue): Rename from
10312 cgraph_analyze_queue. Update all users.
10313 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10314 cgraph_expand_queue.
10315 (cgraph_expand_all_functions): Likewise.
10316 (cgraph_finalize_pending_functions): Remove. Update callers.
10318 * tree.h (OMP_DIRECTIVE_P): Define.
10319 (OMP_PARALLEL_FN): Define.
10320 (OMP_PARALLEL_DATA_ARG): Define.
10321 (OMP_SECTIONS_SECTIONS): Define.
10322 * tree-pass.h (pass_expand_omp): Declare.
10323 * omp-low.c (struct omp_region): Declare.
10324 (struct omp_context): Remove fields 'parallel_type',
10325 'parallel_start_ix' and 'parallel_start_additional_args'.
10327 (struct omp_for_data): Rename from struct expand_omp_for_data.
10328 (omp_regions): New static variable.
10329 (root_omp_region): New static variable.
10330 (find_omp_clause): Make static.
10331 (is_in_combined_parallel_ctx): Remove.
10332 (is_combined_parallel): New.
10333 (extract_omp_for_data): Move earlier in the file.
10334 (workshare_safe_to_combine_p): New.
10335 (get_ws_args_for): New.
10336 (determine_parallel_type): Move earlier in the file.
10337 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10339 (omp_copy_decl): Likewise.
10340 (create_omp_child_function): Likewise.
10341 (lookup_omp_region): New.
10342 (dump_omp_region): New.
10343 (debug_omp_region): New.
10344 (debug_all_omp_regions): New.
10345 (new_omp_region): New.
10346 (scan_omp_parallel): If parallel_nesting_level > 1, the
10347 directive is nested within another parallel directive.
10348 Set OMP_PARALLEL_FN.
10349 (scan_omp_for): Do not try to handle combined parallel+for
10351 Remove FIXME comment.
10352 (scan_omp_nested): Remove.
10353 (scan_omp_1): Do not call scan_omp_nested when
10354 parallel_nesting_level is > 1.
10355 Do not change the DECL_CONTEXT of local variables found.
10356 (lookup_decl_in_outer_ctx): New.
10357 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10358 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10359 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10360 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10361 If CTX is nested, lookup VAR in the outer context when
10362 building copy assignment.
10363 (lower_send_clauses): Rename from expand_send_clauses.
10364 If CTX is nested, lookup VAR in the outer context when
10365 building copy assignments.
10366 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10367 If CTX is nested, lookup VAR in the outer context when
10368 building copy assignments.
10369 (expand_parallel_call): Rename from build_parallel_call.
10370 Handle combined parallel+workshare cases.
10371 Re-implement to emit code into the CFG.
10373 (expand_omp_parallel): Re-implement to emit code into the CFG.
10374 Call move_sese_region_to_fn to outline the sub-graph
10375 containing the parallel region.
10376 (expand_omp_for_1): Remove.
10377 (expand_omp_for_generic): Re-implement to emit code into the
10379 (expand_omp_for_static_nochunk): Likewise.
10380 (expand_omp_for_static_chunk): Likewise.
10381 (expand_omp_for): Likewise.
10382 (expand_omp_sections): Likewise.
10383 (remove_exit_barriers): New.
10384 (expand_omp_synch): New.
10386 (build_omp_regions_1): New.
10387 (build_omp_regions): New.
10388 (execute_expand_omp): New.
10389 (gate_expand_omp): New.
10390 (pass_expand_omp): Define.
10391 (lower_omp_sections): Rename from expand_omp_sections.
10392 Set OMP_SECTIONS_SECTIONS.
10393 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10394 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10395 (lower_omp_single): Rename from expand_omp_simple.
10396 (lower_omp_master): Rename from expand_omp_master.
10397 (lower_omp_ordered): Rename from expand_omp_ordered.
10398 (lower_omp_critical): Rename from expand_omp_critical.
10399 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10400 (lower_omp_for): Re-implement.
10401 (lower_omp_parallel): Re-implement.
10402 (lower_regimplify): Rename from expand_regimplify.
10403 (lower_omp_1): Rename from expand_omp_1.
10404 If there are syntax errors in the program, replace every
10405 OpenMP directive with NOP.
10406 Call lower_omp_* instead of expand_omp_*.
10407 (lower_omp): Rename from expand_omp.
10409 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10410 * tree-gimple.h (enum omp_parallel_type): Remove.
10411 (gimple_boolify): Declare extern.
10412 (find_omp_clause, determine_parallel_type): Remove.
10414 * gimple-low.c (lower_omp_directive): New.
10415 (lower_stmt): Call it.
10416 (record_vars_into): Move from ...
10417 (record_vars): ... here.
10418 Call record_vars_into with current_function_decl.
10420 * gimplify.c (struct gimplify_ctx): Remove fields
10421 combined_pre_p and combined_ctxp. Update users.
10422 (get_formal_tmp_var): Add documentation.
10423 (gimple_boolify): Make extern.
10424 (gimplify_expr_in_ctx): Remove. Update callers.
10425 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10426 will always be a BIND_EXPR.
10427 (gimplify_expr): Handle OMP_RETURN_EXPR.
10428 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10429 (OMP_PARALLEL): Add 3 operands.
10430 (OMP_SECTIONS): Add 1 operand.
10431 (OMP_RETURN_EXPR): Define.
10433 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10434 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10435 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10436 creating a circular free list.
10437 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10439 * tree-flow.h (move_sese_region_to_fn): Declare.
10440 (record_vars_into): Declare.
10441 * tree-cfg.c (make_omp_sections_edges): New.
10442 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10443 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10444 OMP_SECTIONS and OMP_SECTION.
10445 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10446 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10447 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10448 (gather_blocks_in_sese_region): New.
10449 (struct move_stmt_d): Declare.
10450 (move_stmt_r): New.
10451 (move_block_to_fn): New.
10452 (move_sese_region_to_fn): New.
10454 * passes.c (init_optimization_passes): Schedule
10455 pass_expand_omp after pass_init_datastructures.
10457 * tree-ssa-operands.c (get_expr_operands): Handle
10458 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10459 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10461 2006-01-19 Jeff Law <law@redhat.com>
10463 * tree-vrp.c (extract_range_from_assert): Refine the result range
10464 if the variable referenced by the ASSERT_EXPR has a range and
10465 either the tentative result range or the previous range is a
10468 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10470 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10472 2006-01-19 Jan Hubicka <jh@suse.cz>
10474 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10476 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10478 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10479 (expand_compound_operation, expand_field_assignment): Fail if the
10480 bit lengths of an extract operation are out of range.
10481 (make_extraction): Compute wanted_inner_mode based on the position
10482 and length of the extraction. Make it extraction_mode for non-constant
10483 positions, and do not modify offset in that case. When generating a
10484 new MEM, use a mode that can hold the extraction while keeping correct
10485 alignment. Remove code that supported MEMs wrapped by USEs.
10486 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10488 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10490 * config/s390/s390.md ("Y", "y"): New mode attribute.
10491 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10492 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10493 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10494 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10495 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10496 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10497 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10498 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10499 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10500 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10501 "addsi3", "subsi3"): Insn patterns removed.
10502 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10503 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10504 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10505 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10506 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10507 "*sub<mode>3_cconly2"): New insn patterns.
10508 ("addsi3", "subsi3"): New expanders.
10510 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10512 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10513 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10514 existing STMT_VINFO_VECTYPE if available.
10515 (vect_mark_relevant): Add special handling for stmts that are
10516 marked as STMT_VINFO_IN_PATTERN_P.
10517 (vect_analyze_loop): Call vect_pattern_recog.
10518 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10519 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10521 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10522 (vect_recog_func_ptr): New function-pointer type.
10523 * tree-vect-patterns.c: New file.
10524 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10525 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10526 (vect_pattern_recog_1): New functions.
10527 (vect_pattern_recog_funcs): New array of function pointers.
10529 * tree-vectorizer.h (ternary_op): New enum value.
10530 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10531 declaration. Revised documentation. Removed redundant dump prints.
10532 Removed redundant argument. Added support for reduction patterns.
10533 (vectorizable_reduction): Added support for reduction patterns.
10534 (vect_transform_stmt): Added support for patterns.
10536 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10537 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10538 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10539 (expand_widen_pattern_expr): New function.
10540 (init_optabs): Initialize new optabs udot_prod_optab,
10542 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10543 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10544 (expand_widen_pattern_expr): New function declaration.
10545 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10547 * tree-inline.c (estimate_num_insns_1): Added cases for new
10548 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10549 * tree-pretty-print.c (dump_generic_node): Likewise.
10550 (op_prio): Likewise.
10551 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10552 * tree-ssa-operands.c (get_expr_operands): Added case for
10554 * tree-vect-patterns.c (widened_name_p): New function.
10555 (vect_recog_dot_prod_pattern): Added function implementation.
10556 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10557 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10558 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10559 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10561 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10562 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10563 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10564 (init_optabs): Initialize new optabs widen_ssum_optab,
10566 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10567 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10568 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10569 use instead of type of def.
10570 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10571 function implementation.
10572 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10573 widen_ssumv8hi): New.
10575 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10578 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10581 * c-decl.c (add_flexible_array_elts_to_size): New function.
10582 (finish_decl): Use it.
10584 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10586 * diagnostic.h: Include options.h.
10587 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10588 dependancies for diagnostic.h.
10589 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10591 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10593 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10594 (ssa_ro_call_cache_valid): Ditto.
10595 * tree-ssa-alias.c (sort_tags_by_id): New function.
10596 (init_transitive_clobber_worklist): Ditto.
10597 (add_to_worklist): Ditto.
10598 (mark_aliases_call_clobbered): Ditto.
10599 (compute_tag_properties): Ditto.
10600 (set_initial_properties): Ditto.
10601 (compute_call_clobbered): Ditto.
10602 (compute_may_aliases): Call compute_call_clobbered and grouping.
10603 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10604 (compute_flow_insensitive_aliasing): Grouping now happens in our
10606 (setup_pointers_and_addressables): Remove clobbering related code.
10607 (add_may_alias): Ditto.
10608 (replace_may_alias): Ditto.
10609 (get_nmt_for): Ditto.
10610 (create_global_var):
10611 (is_escape_site): Return an escape_type enumeration.
10612 * tree-flow-inline.h (is_call_clobbered): Global var does not
10613 imply call clobbered.
10614 (mark_call_clobbered): Take a reason for marking this. Remove
10615 marking of globalness, and cache invalidation.
10616 (clear_call_clobbered): Remove cache invalidation code.
10617 * tree-dfa.c (dump_variable): If details is on, dump the reason
10619 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10621 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10622 (struct var_ann_d): Ditto.
10623 (enum escape_type): New.
10624 (mark_call_clobbered): Adjust prototype.
10625 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10626 are never call clobbered.
10627 Record reasons for escaping.
10628 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10629 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10630 (ssa_ro_call_cache_valid): Ditto.
10631 (clobbered_v_may_defs): Ditto.
10632 (clobbered_vuses): Ditto.
10633 (ro_call_vuses): Ditto.
10634 (clobber_stats): New.
10635 (init_ssa_operands): Zero out clobber stats.
10636 (fini_ssa_operands): Print out clobber stats.
10637 (get_call_expr_operands): Pass callee fndecl to
10638 add_call_read_ops).
10639 (add_call_clobber_ops): Remove use of cache.
10640 Add use of PURE_CONST information.
10641 (add_call_read_ops): Remove use of cache.
10642 Add use of static not_read information.
10644 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10646 Introduce TLS descriptors for i386 and x86_64.
10647 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10648 (TARGET_ANY_GNU_TLS): New macro.
10649 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10650 (struct machine_function): Add tls_descriptor_call_expanded_p.
10651 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10652 (ix86_current_function_calls_tls_descriptor): Likewise.
10653 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10654 (override_options): Introduce gnu2 tls dialect.
10655 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10657 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10659 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10660 (ix86_init_machine_status): Initialize new field.
10661 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10662 (ix86_tls_module_base): New.
10663 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10664 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10665 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10666 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10667 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10668 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10669 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10670 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10671 * config/i386/predicates.md (tls_modbase_operand): New.
10672 (tp_or_register_operand): New.
10674 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10676 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10677 (look_for_address_of): Ditto.
10678 (ipa_init): Walk the function decls.
10679 (static_execute): Don't set readonly on FUNCTION_DECL's.
10681 2006-01-18 Roger Sayle <roger@eyesopen.com>
10683 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10684 for shifts where the source and destination registers are different.
10686 2006-01-18 Paul Brook <paul@codesourcery.com>
10688 Merge from csl-arm-branch.
10689 2005-03-14 Julian Brown <julian@codesourcery.com>
10690 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10691 (aeabi_llsl): Likewise.
10692 (ashrdi3): Likewise.
10693 (aeabi_lasr): Likewise.
10694 (lshrdi3): Likewise.
10695 (aeabi_llsr): Likewise.
10696 2005-03-10 Julian Brown <julian@codesourcery.com>
10697 * config.gcc: Disable shared libgcc for SymbianOS.
10698 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10700 2006-01-18 DJ Delorie <dj@redhat.com>
10702 * c-pragma.c (handle_pragma_diagnostic): New.
10703 (init_pragma): Register it.
10704 * doc/extend.texi: Document it.
10706 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10707 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10708 (diagnostic_context): Add classify_diagnostic[].
10709 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10710 as errors if they're overridden to DK_WARNING.
10711 (diagnostic_initialize): Initialize classify_diagnostic[].
10712 (diagnostic_set_kind_override): New.
10713 (diagnostic_report_diagnostic): Check for kind changes.
10714 * opts.c (common_handle_option): Take lang_mask. Update callers.
10715 Handle OPT_Werror_.
10716 * common.opt (Werror=): New.
10717 * doc/invoke.texi: Document -Werror=*
10719 2006-01-18 Jeff Law <law@redhat.com>
10721 * tree-vrp.c (test_for_singularity): Correct test for new
10722 min limit. Use operand_equal_p rather than pointer equality
10723 for testing if new min/max values are equal.
10725 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10726 using range information until after propagation and folding.
10728 2006-01-18 Richard Henderson <rth@redhat.com>
10729 Aldy Hernandez <aldyh@redhat.com>
10730 Jakub Jelinek <jakub@redhat.com>
10731 Diego Novillo <dnovillo@redhat.com>
10733 * omp-low.c: New file.
10734 * c-omp.c: New file.
10736 2006-01-18 Richard Henderson <rth@redhat.com>
10737 Jakub Jelinek <jakub@redhat.com>
10738 Diego Novillo <dnovillo@redhat.com>
10740 * doc/invoke.texi: Document -fopenmp.
10741 * tree-dump.h (debug_function): Declare.
10742 * hooks.c (hook_bool_tree_bool_false): New function.
10743 (hook_tree_tree_null): Remove.
10744 (hook_tree_tree_tree_null): New.
10745 * hooks.h: Update to match.
10746 * tree-pretty-print.c (debug_tree_chain): New.
10747 (print_generic_expr): Handle TDF_CHAIN.
10748 (dump_generic_node): Handle BLOCK.
10749 Do not abort with incomplete SWITCH_EXPRs.
10750 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10751 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10752 print space after directive name.
10753 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10754 Handle OMP_MASTER and OMP_ORDERED.
10755 Handle printing of OMP_BODY just in one place, goto
10756 dump_omp_body in the rest of OMP_* nodes that have
10758 Don't handle clause nodes here. Update omp statements to
10759 use dump_omp_clauses.
10760 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10761 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10762 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10763 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10764 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10765 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10766 Adjust output for GOMP_PARALLEL.
10767 (dump_omp_clauses): New.
10768 (print_declaration): Dump DECL_VALUE_EXPR.
10769 (op_symbol_1): Split out of op_symbol.
10770 (dumping_stmts): Remove. Update all users.
10771 * cgraph.c (cgraph_analyze_queue): New.
10772 (cgraph_add_new_function): New.
10773 * cgraph.h (cgraph_analyze_queue): Declare.
10774 (cgraph_add_new_function): Declare.
10775 (cgraph_lower_function): Remove.
10776 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10777 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10778 and TYPE_P nodes in its default clause.
10779 (empty_body_p): New.
10780 (tree_range_check_failed): New.
10781 (build5_stat): New.
10782 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10783 OMP_CLAUSE_REDUCTION_MERGE,
10784 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10785 OMP_CLAUSE_PRIVATE_DEBUG,
10786 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10787 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10788 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10789 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10790 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10791 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10792 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10793 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10794 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10795 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10796 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10797 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10798 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10799 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10800 (TREE_RANGE_CHECK): New.
10801 (empty_body_p): Declare.
10802 (enum omp_clause_default_kind): New.
10803 (build_string_literal): Declare.
10804 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10805 (build5_stat, build5): Declare.
10806 * tree-pass.h (TDF_CHAIN): Define.
10807 * tree-pass.h (PROP_gimple_lomp): Define.
10808 (pass_lower_omp): Declare.
10809 * diagnostic.h (debug_tree_chain): Declare.
10810 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10812 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10813 * builtins.c (build_string_literal): Make extern.
10814 * gcc.c (include_spec_function): New.
10815 (static_spec_functions): Add it.
10816 (main): Move load of libgomp.spec ...
10817 (LINK_COMMAND_SPEC): ... here.
10818 (link_gomp_spec): New.
10819 (static_specs): Include it.
10820 (LINK_COMMAND_SPEC): Add link_gomp.
10821 (GOMP_SELF_SPECS): New.
10822 (driver_self_specs): Include it.
10823 (switch_matches): Don't mark inline.
10824 (main): Load libgomp.spec.
10825 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10826 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10827 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10828 * tree-gimple.h (enum omp_parallel): Declare.
10829 (determine_parallel_type): Declare.
10830 (omp_firstprivatize_variable): Declare.
10831 (omp_reduction_init): Declare.
10832 (diagnose_omp_structured_block_errors): Declare.
10833 (struct walk_stmt_info): Add want_return_expr.
10834 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10835 (find_omp_clause): Declare.
10836 (insert_field_into_struct): Declare.
10837 (struct walk_stmt_info): Move from tree-nested.c
10838 (walk_stmts): Declare.
10839 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10841 * cgraphunit.c (cgraph_lower_function): Make static.
10842 (cgraph_finalize_pending_functions): New.
10843 (cgraph_finalize_function): Call it.
10844 (cgraph_finalize_compilation_unit): Likewise.
10845 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10846 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10847 (BT_FN_UINT_UINT): New.
10848 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10849 DEF_FUNCTION_TYPE_VAR_4): Document.
10850 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10851 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10852 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10853 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10854 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10855 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10856 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10857 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10858 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10859 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10860 into separate files.
10861 (DEF_GOMP_BUILTIN): New.
10862 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10863 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10864 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10865 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10866 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10867 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10868 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10869 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10870 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10871 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10872 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10873 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10874 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10875 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10876 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10877 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10878 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10879 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10880 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10881 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10882 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10883 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10884 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10885 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10886 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10887 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10888 * sync-builtins.def: New file, moved from builtins.def.
10889 * omp-builtins.def: New file, moved from builtins.def.
10890 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10891 * gimple-low.c (lower_function_body): Clear data.
10892 (lower_stmt): Do not handle COMPOUND_EXPR.
10893 Remove call to print_node_brief.
10894 * c-tree.h (c_finish_omp_clauses): New prototype.
10895 (C_DECL_THREADPRIVATE_P): Define.
10896 (lookup_name_no_remap, c_omp_remap_private): Remove
10897 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10898 (check_for_loop_decls): Update decl.
10899 (lookup_name_no_remap, c_omp_remap_private): Declare.
10900 (build_indirect_ref, build_modify_expr, pushdecl,
10901 pushdecl_top_level): Move to c-common.h.
10902 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10903 before the switch, but just in the 2 places that need it.
10904 * c-decl.c (diagnose_mismatched_decls): Do not check for
10905 mismatched thread-local attributes when OLDDECL is marked
10906 threadprivate and NEWDECL has no thread-local attributes.
10907 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10908 (c_gimple_diagnostics_recursively): Rename from
10909 c_warn_unused_result_recursively. Invoke
10910 diagnose_omp_structured_block_errors.
10911 (check_for_loop_decls): Return a singular decl found.
10912 * langhooks.c (lhd_omp_predetermined_sharing): Return
10913 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10914 (lhd_omp_firstprivatize_type_sizes): New.
10915 (lhd_omp_assignment): New.
10916 (lhd_omp_predetermined_sharing): New.
10917 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10918 (struct lang_hooks_for_types): Add
10919 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10920 omp_predetermined_sharing, omp_disregard_value_expr,
10921 omp_private_debug_clause, omp_clause_default_ctor,
10922 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10923 (c_finish_omp_clauses): New.
10924 (c_finish_bc_stmt): Diagnose break within omp for.
10925 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10926 (build_unary_op): Return error_mark after reporting
10928 (build_modify_expr): Likewise.
10929 * gimplify.c: Include optabs.h and pointer-set.h.
10930 (enum gimplify_omp_var_data): Declare.
10931 (struct gimplify_omp_ctx): Declare.
10932 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10934 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10935 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10936 (splay_tree_compare_decl_uid): New.
10937 (new_omp_context): New.
10938 (delete_omp_context): New.
10939 (gimple_add_tmp_var): Call omp_add_variable.
10940 (gimplify_bind_expr): Likewise.
10941 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10942 true, disregard DECL_VALUE_EXPR on the decl if any.
10943 (gimplify_expr_in_ctx): New.
10944 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10945 omp_add_variable, omp_notice_variable, omp_is_private
10946 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10947 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10948 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10949 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10950 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10951 gimplify_omp_atomic): New.
10952 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10953 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10954 OMP_CRITICAL and OMP_ATOMIC.
10955 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10956 * c-pragma.h (enum pragma_kind): Add
10957 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10958 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10959 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10960 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10961 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10962 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10963 PRAGMA_OMP_THREADPRIVATE.
10964 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10965 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10966 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10967 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10968 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10969 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10970 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10971 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10972 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10973 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10974 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10975 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10976 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10978 (struct nesting_info): Add field_map,
10979 suppress_expansion, debug_var_chain.
10980 (create_nesting_tree): Initialize them.
10981 (lookup_field_for_decl): Use field_map.
10982 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10983 (convert_local_omp_clauses): New.
10984 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10985 (walk_body): Split out of walk_function.
10986 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10987 (convert_nonlocal_reference): Handle omp statements.
10988 (convert_local_reference): Likewise.
10989 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10990 (unnest_nesting_tree): New.
10991 (lower_nested_functions): Call it.
10992 (insert_field_into_struct): Make extern.
10993 (struct walk_stmt_info): Move to tree-gimple.h.
10994 (walk_stmts): Make extern.
10995 * omp-builtins.def: New file.
10996 * tree-iterator.c (expr_only): Clarify comment.
10997 * c-common.h (pushdecl_top_level, pushdecl,
10998 build_modify_expr, build_indirect_ref,
10999 c_finish_omp_master, c_finish_omp_critical,
11000 c_finish_omp_ordered, c_finish_omp_barrier,
11001 c_finish_omp_atomic, c_finish_omp_flush,
11002 c_finish_omp_for, c_split_parallel_clauses,
11003 omp_clause_default_kind, c_omp_sharing_predetermined,
11004 c_omp_remap_decl): Declare.
11005 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11006 (OBJS-common): Add omp-low.o.
11007 (c-omp.o, omp-low.o): Add.
11008 (gimplify.o): Add dependency on $(OPTABS_H).
11009 (GTFILES): Add omp-low.c.
11010 (gt-stringpool.h): Add.
11011 * tree-cfg.c (set_bb_for_stmt): Do not update the
11012 block-to-labels map if we are currently expanding to RTL.
11013 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11015 Handle IDENTIFIER_NODE.
11016 (tree_verify_flow_info): Do not ICE when emitting error
11017 messages about invalid labels.
11018 (dump_function_to_file): Reset CFUN before emitting the body
11020 (debug_function): New.
11021 * passes.c (init_optimization_passes): Schedule
11023 * langhooks-def.h (lhd_omp_predetermined_sharing,
11024 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11026 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11027 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11028 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11029 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11030 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11031 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11032 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11033 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11034 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11035 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11036 (LANG_HOOK_DECLS): Use them.
11038 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11039 Richard Henderson <rth@redhat.com>
11040 Jakub Jelinek <jakub@redhat.com>
11041 Diego Novillo <dnovillo@redhat.com>
11043 * c-parser.c (pragma_omp_clause): Define.
11044 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11045 (c_parser_compound_statement): Likewise.
11046 (c_parser_statement): Likewise.
11047 (c_parser_pragma): Handle omp pragmas.
11048 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11049 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11050 (c_parser_omp_clause_name, check_no_duplicate_clause,
11051 c_parser_omp_variable_list,
11052 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11053 c_parser_omp_clause_copyprivate,
11054 c_parser_omp_clause_default,
11055 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11056 c_parser_omp_clause_lastprivate,
11057 c_parser_omp_clause_nowait,
11058 c_parser_omp_clause_num_threads,
11059 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11060 c_parser_omp_clause_reduction,
11061 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11062 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11063 c_parser_omp_atomic, c_parser_omp_barrier,
11064 c_parser_omp_critical, c_parser_omp_flush,
11065 c_parser_omp_for_loop, c_parser_omp_for,
11066 c_parser_omp_master, c_parser_omp_ordered,
11067 c_parser_omp_sections_scope, c_parser_omp_sections,
11068 c_parser_omp_parallel, c_parser_omp_single,
11069 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11070 * c-pragma.c (init_pragma): Do omp pragma registration here.
11071 * c.opt (fopenmp): New flag.
11073 2006-01-18 Eric Christopher <echristo@apple.com>
11075 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11076 * config/darwin.h (GOMP_SELF_SPECS): Define.
11078 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11080 * rtl.h: Remove the prototype for reg_alloc.
11082 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11085 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11086 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11087 sjlj and dwarf2 exception handling.
11088 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11089 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11090 * pa/pa.c (function_value): Treat complex and vector types as
11092 (function_arg): Likewise. Only pass scalar floats in the floating
11093 point argument registers.
11094 * pa/t-slibgcc-dwarf-ver: New file.
11095 * pa/t-slibgcc-sjlj-ver: New file.
11096 * pa/t-slibgcc-elf-ver: Delete file.
11098 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11100 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11101 unlikely_test_section_p test.
11103 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11105 * mode-switching.c (optimize_mode_switching): Make it static.
11106 * basic-block.h: Remove the prototype for
11107 optimize_mode_switching.
11109 * modulo-sched.c (sms_schedule): Make it static.
11110 * rtl.h: Remove the prototype for sms_schedule.
11112 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11113 * rtl.h: Remove the prototype for gcse_after_reload_main.
11115 * reg-stack.c (reg_to_stack): Make it static.
11116 * rtl.h: Remove the prototype for reg_to_stack.
11118 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11120 * rtl.h: Remove the prototypes for regrename_optimize and
11121 copyprop_hardreg_forward.
11123 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11125 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11126 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11127 Test against the appropriate null constant for the mode.
11128 If 'fixup_overlap' is true, swap the operands if they overlap.
11129 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11130 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11131 alpha_split_tmode_pair and adjust for above change.
11132 * config/alpha/alpha.md (movtf_internal): Adjust call to
11133 alpha_split_tfmode_pair and rely on it to swap the operands.
11134 (movti_internal): New insn and post-reload splitter.
11135 (movti): New expander.
11137 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11139 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11142 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11144 * rtlanal.c (global_reg_mentioned_p_1,
11145 global_reg_mentioned_p): Remove.
11146 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11148 * flow.c (initialize_uninitialized_subregs): Make it static.
11149 * rtl.h: Remove the prototype for
11150 initialize_uninitialized_subregs.
11152 * function.c (instantiate_virtual_regs): Make it static.
11153 * function.h: Remove the prototype for
11154 instantiate_virtual_regs.
11156 * regmove.c (regmove_optimize, combine_stack_adjustments):
11158 * rtl.h: Remove the prototypes for regmove_optimize and
11159 combine_stack_adjustments.
11161 2006-01-17 Roger Sayle <roger@eyesopen.com>
11163 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11164 (size_cost): Encode costs in bytes so that a reg-reg addition is
11165 equivalent to COSTS_N_INSNS(1).
11166 (override_options): Use the size_cost.branch_cost as the default
11167 ix86_branch_cost when optimizing for size.
11169 2006-01-18 Ben Elliston <bje@au.ibm.com>
11171 * Makefile.in (D32PBIT_FUNCS): New.
11172 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11173 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11174 D64PBIT_FUNCS and D128PBIT_FUNCS.
11175 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11176 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11178 (decnumber_dep): Define.
11179 * doc/libgcc.texi (Decimal float library routines): New node.
11180 * config/dfp-bit.h, config/dfp-bit.c: New files.
11182 2006-01-18 Ben Elliston <bje@au.ibm.com>
11184 * expr.c (emit_move_change_mode): Always adjust addresses, not
11185 just during reload. Copy replacements only during reload.
11186 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11187 emit_move_via_integer.
11189 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11191 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11192 instead of $(srcdir) and ${srcdir}.
11194 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11197 PR middle-end/11135
11198 * arm.h (struct machine_function): Add pic_reg.
11199 * arm.c (arm_pic_register): Make unsigned.
11200 (arm_override_options): Only set arm_pic_register if
11201 TARGET_SINGLE_PIC_BASE.
11202 (use_return_insn): Only test for a pic register if it is fixed.
11203 (arm_compute_save_reg0_reg12_mask): Likewise.
11204 (thumb_compute_save_reg_mask): Likewise.
11205 (legitimate_pic_operand): Factor out some known invariants.
11206 (legitimize_pic_address): If we don't have a fixed pic register,
11207 then set up a pseudo in the function entry sequence. Handle the
11208 pic base being in a pseudo.
11209 (arm_load_pic_register): Handle the pic register being in a pseudo.
11210 (arm_expand_prologue): Only set up the pic register if it is fixed.
11211 (thumb_expand_prologue): Likewise.
11212 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11213 (pic_load_addr_based_insn): Likewise.
11214 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11217 2006-01-18 Ben Elliston <bje@au.ibm.com>
11219 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11220 decimal float modes for all floating point registers.
11222 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11223 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11225 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11228 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11229 even when the pointer is not NULL.
11231 2006-01-16 Ian Lance Taylor <ian@airs.com>
11233 * common.opt (ftoplevel-reorder): New option.
11234 * cgraph.c (cgraph_asm_nodes): New global variable.
11235 (cgraph_asm_last_node): New static variable.
11236 (cgraph_order): New global variable.
11237 (cgraph_create_node): Set new order field.
11238 (cgraph_varpool_node): Likewise.
11239 (decide_is_variable_needed): Return true if not
11240 flag_toplevel_reorder.
11241 (cgraph_add_asm_node): New function.
11242 * cgraph.h (struct cgraph_node): Add order field.
11243 (struct cgraph_varpool_node): Add order field.
11244 (struct cgraph_asm_node): Define.
11245 (cgraph_asm_nodes, cgraph_order): Declare.
11246 (cgraph_add_asm_node): Declare.
11247 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11249 (cgraph_varpool_assemble_pending_decls): Call it.
11250 (cgraph_output_pending_asms): New static function.
11251 (cgraph_finalize_compilation_unit): Call it.
11252 (struct cgraph_order_sort): Define.
11253 (cgraph_output_in_order): New static function.
11254 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11255 !flag_toplevel_reorder case.
11256 * c-parser.c: Include "cgraph.h".
11257 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11259 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11260 than -fno-unit-at-a-time.
11261 * doc/invoke.texi (Option Summary): Mention
11262 -fno-toplevel-reorder.
11263 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11264 -funit-at-a-time documentation.
11266 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11267 Kazu Hirata <kazu@codesourcery.com>
11269 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11271 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11273 * Makefile.in (FUNCTION_H): New. Use it instead of
11274 function.h throughout the file.
11275 * function.h: Include tree.h.
11277 2006-01-17 Ben Elliston <bje@au.ibm.com>
11279 * recog.c: Separate some functions with whitespace.
11281 2006-01-16 Richard Henderson <rth@redhat.com>
11283 Merge from gomp branch:
11284 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11285 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11286 and rename from struct inline_data. Rename callee* to dst*;
11287 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11288 transform_new_cfg, transform_return_to_modify, and
11289 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11291 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11292 (copy_decl_for_dup): Remove.
11293 * tree-inline.c (struct inline_data): Move to header.
11294 (insert_decl_map): Export.
11295 (remap_decl): Update for member name changes. Use copy_decl hook.
11296 Allow for replacement to be a non-decl. Remove dead code.
11297 (remap_type_1): Check for existing mapping.
11298 (remap_type): Export.
11299 (remap_decls): Update for member name changes.
11300 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11301 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11302 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11303 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11304 (tree_function_versioning, build_duplicate_type): Likewise.
11305 (copy_body_r): Likewise. Export.
11306 (copy_decl_for_dup): Split into ...
11307 (copy_decl_for_dup_finish, copy_decl_to_var,
11308 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11309 (replace_ref_tree, inlining_p): Remove.
11311 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11313 * ifcvt.c (if_convert): Make it static.
11314 * rtl.h: Remove the prototype for if_convert.
11316 * local-alloc.c (local_alloc): Make it static.
11317 * rtl.h: Remove the prototype for local_alloc.
11319 * loop.c (loop_optimize): Make it static.
11320 * cfgloop.h: Remove the prototype for loop_optimize.
11323 2006-01-16 DJ Delorie <dj@redhat.com>
11325 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11328 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11330 * pa.md: Disparage copies between general and floating-point registers
11331 in 32-bit move patterns.
11333 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11336 * Makefile.in (check-%): Depend on site.exp instead of
11337 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11340 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11342 * global.c (global_alloc): Make it static.
11343 * rtl.h: Remove the prototype for global_alloc.
11345 2006-01-16 Richard Guenther <rguenther@suse.de>
11347 * tree-ssa-alias.c (struct used_part): Add write_only field.
11348 (get_or_create_used_part_for): Initialize it to true.
11349 (create_overlap_variables_for): Don't create structure variables
11350 for structures that only are written to.
11351 (find_used_portions): Handle MODIFY_EXPR to track whether a
11352 structure is only written to.
11354 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11356 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11358 * basic-block.h: Remove the prototype for
11359 partition_hot_cold_basic_blocks.
11361 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11363 * cppspec.c (lang_specific_spec_functions): Remove.
11364 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11365 * gcc.h (lang_specific_spec_functions): Remove.
11366 * gccspec.c (lang_specific_spec_functions): Remove.
11368 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11370 * combine.c (record_value_for_reg): Invalidate registers
11372 (record_dead_and_set_regs_1): Likewise, by passing them to
11373 record_value_for_reg.
11374 (record_dead_and_set_regs): Invalidate stores made by a
11375 call. We do not combine across a call, but we still
11376 relied on equivalences.
11378 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11380 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11381 vrp_int_const_binop returning non-constant nodes.
11383 2006-01-16 Paul Brook <paul@codesourcery.com>
11385 * config/m68k/m68k.c (output_move_const_into_data_reg):
11386 Output correct mnemonic for mvz and mvs.
11388 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11390 * rtl-factoring.c: Add sequence abstraction algorithm.
11391 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11392 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11394 (block_has_preserve_label): New function.
11395 * common.opt: Register new pass.
11396 * Makefile.in: Ditto.
11398 * timevar.def: Ditto.
11399 * tree-pass.h: Ditto.
11400 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11401 * rtl.h (make_jump_insn_raw): Add forward decl.
11402 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11404 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11405 Roger Sayle <roger@eyesopen.com>
11407 * fold-const.c (fold_minmax): New static function.
11408 (fold_binary) <MIN_EXPR>: Call it.
11409 <MAX_EXPR>: Likewise.
11410 * stor-layout.c (place_field): Use DECL_SIZE consistently
11411 in the computation of the new record size.
11413 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11415 * cse.c (cse_condition_code_reg): Make it static.
11416 * rtl.h: Remove the prototype for cse_condition_code_reg.
11418 * combine.c (combine_instructions): Make it static.
11419 * rtl.h: Remove the prototype for combine_instructions.
11421 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11424 * tree.c (get_file_function_name_long): Concatenate the first global
11425 object name with a string derived from the input filename of the object
11428 2006-01-16 Ben Elliston <bje@au.ibm.com>
11430 * config/i386/winnt-stubs.c: Update FSF address.
11431 * config/xtensa/ieee754-df.S: Ditto.
11432 * config/xtensa/ieee754-sf.S: Ditto.
11434 2006-01-14 Ian Lance Taylor <ian@airs.com>
11436 * ifcvt.c (noce_init_if_info): New static function, broken out of
11437 noce_process_if_block.
11438 (noce_process_if_block): Call noce_init_if_info.
11439 (check_cond_move_block): New static function.
11440 (cond_move_process_if_block): New static function.
11441 (process_if_block): Call cond_move_process_if_block.
11443 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11445 * cselib.c (hash_table): Rename to cselib_hash_table.
11446 (cselib_clear_table, discard_useless_values,
11447 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11448 cselib_init, cselib_finish): Adjust uses of hash_table.
11450 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11452 PR tree-optimization/25485
11453 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11454 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11455 is known to be false and true, respectively.
11457 2006-01-14 Richard Guenther <rguenther@suse.de>
11459 PR tree-optimization/22548
11460 PR tree-optimization/22555
11461 PR tree-optimization/22501
11462 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11463 * params.def (salias-max-array-elements): New parameter.
11464 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11465 * doc/invoke.texi (salias-max-array-elements): Document.
11466 * tree-flow-inline.h (var_can_have_subvars): We also handle
11468 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11470 * tree-ssa-structalias.c (params.h): Include.
11471 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11472 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11473 (get_constraint_for): For ADDR_EXPR operating on something
11474 containing an ARRAY_REF, add all subvars to the solution.
11475 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11476 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11477 for creating MUST_DEFs.
11478 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11480 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11482 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11484 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11485 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11486 number_of_iterations_le): New functions.
11487 (number_of_iterations_special): Removed.
11488 (number_of_iterations_exit): Do not use number_of_iterations_special.
11489 * tree.c (unsigned_type_for): Always return integer type.
11491 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11492 Richard Guenther <rguenther@suse.de>
11494 PR rtl-optimization/24257
11495 * gcse.c (find_moveable_store): Only consider a store movable
11496 when the SET_SRC of the insn can be assigned to a register.
11498 2006-01-14 Ian Lance Taylor <ian@airs.com>
11500 * tree.c (tree_not_class_check_failed): New function.
11501 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11502 (tree_not_class_check_failed): Declare.
11504 2006-01-13 Ian Lance Taylor <ian@airs.com>
11506 * reload1.c (do_output_reload): Add assertion rejecting a
11509 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11511 * combine.c (struct reg_stat): Add new fields truncation_label and
11513 (record_value_for_reg): Reset truncated_to_mode.
11514 (record_truncated_value): New function.
11515 (check_promoted_subreg): Call it. Rename to check_conversions.
11516 (combine_instructions): Rename check_promoted_subreg to
11518 (reg_truncated_to_mode): New function.
11519 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11520 (gen_lowpart_or_truncate): New function.
11521 (force_to_mode): Use it instead of gen_lowpart.
11523 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11525 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11526 VAR is a tag, not its type tag.
11528 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11530 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11531 alternatives to match style of other entries.
11532 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11534 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11536 PR tree-optimization/25771
11537 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11540 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11543 * tree-inline.c (declare_return_variable): If the return variable
11544 was marked as a non gimple complex, set the return slot variable
11545 to be a non gimple comple variable.
11547 2006-01-13 Richard Guenther <rguenther@suse.de>
11549 * builtins.c (expand_builtin_sincos): New function.
11550 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11552 (expand_builtin): Expand sincos using expand_builtin_sincos.
11554 2006-01-12 DJ Delorie <dj@redhat.com>
11556 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11557 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11558 so that constant shifts can be split.
11559 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11560 (m32c_valid_pointer_mode): Make static.
11561 (shift_gen_func_for): New.
11562 (m32c_prepare_shift): Use it. Split large const shifts into
11564 * config/m32c/predicates.md (shiftcount_operand): Allow more
11566 (longshiftcount_operand): New.
11567 * doc/md.texi (Machine Constraints): Document In6.
11569 2006-01-13 Ben Elliston <bje@au.ibm.com>
11571 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11572 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11575 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11577 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11578 to try to avoid clobbering pieces of structures when we know
11579 something about the whole structure.
11580 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11582 2006-01-13 Ben Elliston <bje@au.ibm.com>
11584 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11585 return in memory, as this is no limitation is no longer present.
11587 2006-01-12 DJ Delorie <dj@redhat.com>
11589 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11590 mova with fb, and for fb+0 -> An.
11592 * config/m32c/mov.md (peephole2): Fix enabling logic.
11594 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11595 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11596 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11597 FINI_ARRAY_SECTION_ASM_OP): Define.
11599 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11601 (m32c_legitimize_reload_address): New logic to reload FB to An.
11602 (m32c_output_reg_push): Add newline.
11603 (m32c_output_reg_pop): Likewise.
11605 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11607 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11609 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11611 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11613 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11615 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11618 2006-01-11 Ben Elliston <bje@au.ibm.com>
11620 * rtlanal.c (find_reg_note): Assert insn is not null.
11622 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11624 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11627 2006-01-11 Jeff Law <law@redhat.com>
11629 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11631 (mark_threaded_blocks, register_jump_thread): New functions.
11632 (thread_through_all_blocks): Remove unwanted argument. No
11633 longer rely on e->aux to communicate thread target info.
11634 Call mark_threaded_blocks. Release the threaded_blocks
11635 bitmap and threaded_edges vector when complete.
11636 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11637 (threaded_blocks): Remove.
11638 (tree_ssa_dominator_optimize): Remove initialization and
11639 finalization of threaded_blocks. Simplify call to
11640 thread_through_all_blocks.
11641 (thread_across_edge): Call register_jump_thread rather than
11642 storing thread information into e->aux.
11643 (free_all_edge_infos): Simplify now that e->aux is no longer
11644 used to communicate with thread_through_all_blocks.
11645 * tree-flow.h (thread_through_all_blocks): Update prototype.
11646 (register_jump_thread): Prototype.
11648 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11650 * df-core.c (df_compact_blocks, df_bb_replace): Use
11651 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11653 2006-01-11 Richard Guenther <rguenther@suse.de>
11655 PR tree-optimization/25734
11656 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11657 stop propagation after successful propagation to the LHS.
11659 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11661 * basic-block.h (control_flow_graph): Change the type of
11662 x_basic_block_info to VEC(basic_block,gc) *.
11663 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11665 (SET_BASIC_BLOCK): New.
11666 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11667 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11668 * cfgbuild.c (find_basic_blocks): Likewise.
11669 * cfglayout.c (fixup_reorder_chain): Likewise.
11670 * cfgrtl.c (create_basic_block_structure,
11671 rtl_create_basic_block): Likewise.
11672 * ifcvt.c (find_if_case_1): Likewise.
11673 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11676 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11678 * Makefile.in: Removed rotted odf.c entry.
11680 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11683 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11684 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11685 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11686 output pattern modifier, not %e.
11687 * config/cris/cris.c (cris_op_str): Update comment about pattern
11689 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11690 before falling through into...
11691 <case 'E'>: Redefined from old 'e' case.
11693 2006-01-11 Jan Hubicka <jh@suse.cz>
11696 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11698 2006-01-11 Jan Hubicka <jh@suse.cz>
11700 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11701 * i386.c (x86_decompose_lea): Kill.
11702 (ix86_rtx_costs): Kill.
11704 2006-01-11 Jan Hubicka <jh@suse.cz>
11706 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11707 * cgraph.h (cgraph_node): Add inline_decl.
11708 (cgraph_insert_node_to_hashtable): Declare.
11709 (save_inline_function_body): Declare.
11710 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11712 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11713 (cgraph_function_versioning): Update call of tree_function_versioning.
11714 (save_inline_function_body): New function.
11715 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11716 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11717 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11718 (cgraph_default_inline_p): Likewise.
11719 (cgraph_decide_inlining_incrementally): Likewise.
11720 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11721 (copy_bb): Kill saving; do updating of clones.
11722 (copy_cfg_body): Kill saving.
11723 (initialize_inlined-parameters): Likewise.
11724 (expand_call_inline): Likewise.
11726 (tree_function_versioning): New parameter "update_clones".
11727 (inlining_p): Kill saving.
11728 * tree-inline.h (tree_function_versioning): Update prototype.
11729 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11732 2006-01-11 Ian Lance Taylor <ian@airs.com>
11734 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11735 Allow undoing set of machine mode.
11736 (do_SUBST): Use enums instead of is_int.
11737 (do_SUBST_MODE): New function.
11738 (SUBST_MODE): New macro.
11739 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11740 reg and trying to replace reg_regno_rtx with a new register.
11741 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11742 (simplify_set): Use SUBST_MODE.
11743 (distribute_notes): Remove code that tried to update reg notes
11744 for regno_reg_rtx changes.
11746 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11748 PR tree-optimization/23109
11749 PR tree-optimization/23948
11750 PR tree-optimization/24123
11752 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11753 * tree-cfg.c (single_noncomplex_succ): New.
11754 * tree-flow.h (single_noncomplex_succ): Declare it.
11755 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11756 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11757 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11758 insert_bb, register_division_in, insert_reciprocals,
11759 replace_reciprocal, free_bb): New.
11760 (execute_cse_reciprocals_1): Rewritten.
11761 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11762 Do not commit any edge insertion. Always compute dominators and
11763 create the allocation pool.
11764 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11765 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11766 * targhooks.c (default_min_divistions_for_recip_mul): New.
11767 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11768 * passes.c (init_optimization_passes): Run recip after tree loop
11770 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11772 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11773 Kenneth Zadeck <zadeck@naturalbridge.com>
11775 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11776 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11777 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11778 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11779 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11780 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11781 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11782 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11783 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11784 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11785 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11786 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11787 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11788 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11789 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11790 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11791 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11792 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11793 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11794 DF_SCAN_POST_ALLOC): New macros.
11795 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11796 df_free_bb_function, df_local_compute_function, df_init_function,
11797 df_dataflow_function, df_confluence_function_0,
11798 df_confluence_function_n, df_transfer_function,
11799 df_finalizer_function, df_free_function, df_dump_problem_function,
11800 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11801 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11802 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11803 df_urec_bb_info, ) New types.
11804 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11806 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11807 df_analyze_simple_change_some_blocks,
11808 df_analyze_simple_change_one_block, df_compact_blocks,
11809 df_bb_replace, df_bb_regno_last_use_find,
11810 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11811 df_insn_regno_def_p, df_find_def, df_find_use,
11812 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11813 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11814 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11815 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11816 debug_df_chain, df_get_dependent_problem, df_chain_create,
11817 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11818 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11819 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11820 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11821 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11822 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11823 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11824 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11825 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11826 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11827 df_reorganize_refs, df_set_state, df_hard_reg_init,
11828 df_read_modify_subreg_p) New public functions.
11829 * df-core.c: The core dataflow solver and glue routines for rtl
11831 (df_init, df_add_problem, df_set_blocks, df_finish,
11832 df_hybrid_search_forward, df_hybrid_search_backward,
11833 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11834 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11835 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11836 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11837 df_reg_defined, df_find_use, df_reg_used, df_dump,
11838 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11839 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11840 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11841 debug_df_useno, reset_df_after_reload): New functions.
11842 * df-scan.c: The scanning fuctions, once in df.c, completely
11843 rewritten so that they now fully model the functionality of
11844 register usage at the backend.
11845 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11846 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11847 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11848 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11849 df_get_artificial_defs, df_get_artificial_uses,
11850 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11851 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11852 df_refs_delete, df_reorganize_refs, df_set_state,
11853 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11854 df_def_record_1, df_defs_record, df_uses_record,
11855 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11856 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11857 df_record_exit_block_uses, df_hard_reg_init): New functions.
11859 * df-problems.c: Seven concrete dataflow problems that use the
11860 scanning in df-scan.c and are solved by the engine in df-core.c.
11861 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11862 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11863 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11864 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11865 df_ru_free_bb_info, df_ru_alloc,
11866 df_ru_bb_local_compute_process_def,
11867 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11868 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11869 df_ru_transfer_function, df_ru_free, df_ru_dump,
11870 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11871 df_rd_free_bb_info, df_rd_alloc,
11872 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11873 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11874 df_rd_transfer_function, df_rd_free, df_rd_dump,
11875 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11876 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11877 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11878 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11879 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11880 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11881 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11882 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11883 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11884 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11885 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11886 df_urec_mark_reg_use_for_earlyclobber,
11887 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11888 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11889 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11890 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11891 df_chain_create_bb_process_use, df_chain_create_bb,
11892 df_chain_finalize, df_chain_free, df_chains_dump,
11893 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11894 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11895 df_reg_lifetime): New functions.
11896 * df.c: Deleted file.
11897 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11898 consistent with new df api.
11899 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11900 rest_of_handle_sms): Ditto.
11901 * web.c (unionfind_union, union_defs, entry_register, web_main):
11903 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11904 invariant_expr_equal_p, find_defs, check_dependencies,
11905 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11906 free_inv_motion_data, move_loop_invariants): Ditto.
11907 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11908 Update dependencies.
11909 (odf.c): Added defective entry that was deleted later in day.
11910 * sched-deps.c (sched_analyze_1): Ditto.
11912 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11914 * tree-ssa-operands.c (get_expr_operands): Record addressable
11915 variables directly. Do not call add_stmt_operands for CONST_DECLs
11917 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11918 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11920 2006-01-11 Ben Elliston <bje@au.ibm.com>
11922 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11923 function returns true in the positive case.
11925 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11928 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11929 for SI, DI, SF and DF modes. Add alternatives to copy between
11930 general and floating point registers to the 32-bit patterns.
11931 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11932 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11933 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11934 generating 64-bit code.
11935 * config/pa/pa.c (output_move_double): Handle copies between general
11936 and floating registers.
11938 2006-01-10 Stuart Hastings <stuart@apple.com>
11940 * config/i386/i386.md (set_got): Update.
11941 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11942 (builtin_setjmp_receiver): Mach-O support.
11943 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11944 (GOT_SYMBOL_NAME): Define.
11945 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11946 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11947 * config/i386/i386.c (override_options): Revise for Darwin.
11948 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11949 support. (darwin_x86_file_end): New. (output_set_got): Add label
11950 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11951 * config/i386/i386-protos.h (output_set_got): Likewise.
11952 * config/darwin.c (machopic_legitimize_pic_address): Update
11955 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11957 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11958 when MODE isn't BLKmode.
11960 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11962 PR rtl-optimization/25367
11963 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11965 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11968 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11969 for a negative bound.
11971 2006-01-10 Richard Guenther <rguenther@suse.de>
11973 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11974 Never override with anything constraint.
11976 2006-01-10 Jan Beulich <jbeulich@novell.com>
11978 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11979 256 bits when optimize_size.
11981 2006-01-10 Jan Beulich <jbeulich@novell.com>
11983 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11985 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11986 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11989 2006-01-10 Ben Elliston <bje@au.ibm.com>
11991 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11993 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11994 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11995 (USE_FP_FOR_ARG): Reject decimal float modes.
11996 (function_arg_advance): Likewise.
11997 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11998 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11999 point types in AltiVec vectors.
12000 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12001 (rs6000_libcall_value): Likewise.
12003 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12005 * config/xtensa/ieee754-df.S: New file.
12006 * config/xtensa/ieee754-sf.S: New file.
12007 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12008 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12009 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12011 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12013 * config/sh/predicates.md (binary_float_operator,
12014 binary_logical_operator, commutative_float_operator,
12015 equality_comparison_operator, greater_comparison_operator,
12016 less_comparison_operator, logical_operator,
12017 noncommutative_float_operator, shift_operator,
12018 symbol_ref_operand, unary_float_operator): Remove redundant
12021 2006-01-09 Jeff Law <law@redhat.com>
12023 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12024 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12025 now unused arguments. Callers updated.
12026 (eliminate_redundant_computations): Remove now unused arguments,
12028 (local_fold): Remove, no longer used.
12029 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12031 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12032 (simplify_cond): New function.
12033 (forward_propagate_into_cond): Call simplify_cond.
12035 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12037 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12038 (*vec_extractv2di_1_sse): New.
12040 2006-01-09 Ben Elliston <bje@au.ibm.com>
12042 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12044 2006-01-08 Richard Guenther <rguenther@suse.de>
12046 * tree-ssa-structalias.c (get_constraint_for): Remove
12047 anyoffset argument.
12048 (get_constraint_for_component_ref): Likewise.
12049 (do_deref): Likewise.
12050 (get_constraint_for): Likewise.
12051 (do_structure_copy): Likewise.
12052 (handle_ptr_arith): Likewise.
12053 (find_func_aliases): Likewise. Remove unused need_anyoffset
12056 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12057 Kaz Kojima <kkojima@gcc.gnu.org>
12059 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12060 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12061 (EXTRA_CONSTRAINT_C16): Remove.
12062 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12063 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12064 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12065 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12066 constants of SHmedia. Handle nested constant expressions of
12068 (andcosts): Fix the costs for SHmedia constants.
12069 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12070 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12071 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12072 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12073 (movv4hi_i, movv2si_i): Likewise.
12074 (movsi_const): Adjust the second operand of ior so to match with
12075 the Csu constraint.
12076 (movdi_const, movdi_const_32bit): Likewise.
12077 (movdi_const_16bit+1): Don't sign-extend LOW.
12078 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12080 (*double_shori): Fix the split condition. Use GEN_INT instead
12081 of get_int_mode calls. Mask lower 16-bit of the argument of
12083 (sym2GOTPLT): Remove.
12084 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12086 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12087 instead of EXTRA_CONSTRAINT_C16.
12089 2006-01-07 Ian Lance Taylor <ian@airs.com>
12090 David Edelsohn <edelsohn@gnu.org>
12092 PR rtl-optimization/25662
12093 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12094 for constant operands instead of simplify_gen_binary.
12095 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12096 after trying simplify_binary_operation
12098 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12100 * tree.c (iterative_hash_expr): Hash decls based on UID.
12102 2006-01-06 Eric Christopher <echristo@apple.com>
12104 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12105 (TARGET_UNWIND_EMIT): Fix spelling.
12106 * target.h (gcc_target): Add except_table_label.
12107 * except.c (output_function_exception_table): Use.
12108 * varasm.c (default_emit_except_table_label): New.
12109 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12111 (asm_out): Add here.
12112 * output.h (default_emit_except_table_label): Prototype.
12113 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12114 * config/darwin.c (darwin_emit_except_table_label): Define.
12115 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12117 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12119 PR tree-optimization/18527
12120 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12121 number_of_iterations_special, number_of_iterations_exit):
12122 Move base and step of an iv to a single structure. Add
12123 no_overflow flag, and use it in # of iterations analysis.
12124 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12125 folded_casts argument.
12126 (simple_iv): Pass base and step in a structure. Set no_overflow
12128 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12129 Evaluate expensiveness of computing # of iterations instead of
12130 the final expression.
12131 * tree-scalar-evolution.h (affine_iv): New structure.
12132 (simple_iv): Declaration changed.
12133 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12134 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12135 find_givs_in_stmt): Changed due to simple_iv change.
12137 2006-01-06 Jeff Law <law@redhat.com>
12140 * tree-cfg.c (bsi_replace): Rename final argument from
12141 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12142 change (stmt -> orig_stmt).
12143 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12144 (bsi_remove): Add new argument. Remove EH information
12146 (verify_eh_throw_table_statements): New function.
12147 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12149 * tree-optimize.c (execute_free_cfg_annotations): Verify
12150 the EH throw statement table after removing annotations.
12151 * except.h (verify_eh_throw_table_statements): Prototype.
12152 * tree-flow.h (bsi_remove): Update prototype.
12153 * tree-vrp.c (remove_range_assertions): Add new argument to
12155 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12156 * tree-complex.c (expand_complex_div_wide): Likewise.
12157 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12158 * tree-tailcall.c (eliminate_tailcall): Likewise.
12159 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12160 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12161 * tree-nrv.c (tree_nrv): Likewise.
12162 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12163 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12164 (combine_blocks): Likewise.
12165 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12166 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12167 (cleanup_control_flow): Likewise.
12168 (remove_forwarder_block): Likewise.
12169 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12170 * tree-sra.c (sra_replace): Likewise.
12171 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12172 (forward_propagate_single_use_vars): Likewise.
12173 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12174 * tree-inline.c (expand_call_inline): Likewise.
12175 * tree-vect-transform.c (vect_transform_loop): Likewise.
12176 * tree-outof-ssa.c (rewrite_trees): Likewise.
12177 * tree-cfg.c (make_goto_expr_edges): Likewise.
12178 (cleanup_dead_labels): Likewise.
12179 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12180 (bsi_move_before, bsi_move_after): Likewise.
12181 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12182 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12184 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12187 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12189 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12190 on non gimple variables. Also add checks at the top for decls and
12192 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12194 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12195 and IMAGPART_EXPR for creating MUST_DEFs.
12196 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12197 and NAME_MEMORY_TAG separately from the DECLs.
12199 2006-01-06 Richard Guenther <rguenther@suse.de>
12201 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12202 annotation, if necessary.
12203 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12204 redundant calls to update_stmt.
12205 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12208 2006-01-05 Richard Henderson <rth@redhat.com>
12210 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12212 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12214 * c-typeck.c: Update copyright date.
12216 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12218 * c-typeck.c (build_c_cast): Always warn when casting
12219 from a pointer to an integer of different size, even if
12220 the node was constant.
12222 2006-01-05 Richard Guenther <rguenther@suse.de>
12224 PR tree-optimization/22555
12225 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12226 if one structure field is an array.
12227 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12228 operands even if we found a subvar, but ignore VOPs in this
12230 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12232 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12234 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12236 PR middle-end/24998
12237 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12239 2006-01-05 Richard Guenther <rguenther@suse.de>
12240 Diego Novillo <dnovillo@redhat.com>
12242 * tree-pass.h (TODO_remove_unused_locals): Define.
12243 * gimple-low.c (expand_var_p, remove_useless_vars,
12244 pass_remove_useless_vars): Remove. Update all users.
12245 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12246 (remove_unused_locals): New function.
12247 * tree-flow.h (remove_unused_locals): Declare.
12248 * passes.c (execute_todo): Call remove_unused_locals if
12249 TODO_remove_unused_locals is set.
12250 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12251 * tree-ssa-dce.c (pass_dce): Likewise.
12252 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12254 2006-01-05 Richard Guenther <rguenther@suse.de>
12256 * tree-flow.h (struct fieldoff): Decompose field to
12257 type, size and decl.
12258 * tree-ssa-alias.c (create_sft): Take type as parameter.
12259 (create_overlap_variables_for): Store type, size and decl
12260 in the fieldoff structure.
12261 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12262 of struct fieldoff.
12263 (push_fields_onto_fieldstack): Likewise.
12264 (create_variable_info_for): Likewise. Use offset for the
12265 SFT name if the decl is not available.
12267 2006-01-04 Paul Brook <paul@codesourcery.com>
12269 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12271 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12273 * lambda-code.c (can_put_in_inner_loop): Relax
12275 (can_put_after_inner_loop): New function.
12276 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12277 (perfect_nestify): Change to make copies and modify uses.
12279 2006-01-04 Richard Henderson <rth@redhat.com>
12281 Merge from gomp branch:
12282 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12283 via integer constant.
12284 (pragma_lex): Remove.
12285 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12286 rather than parsing it.
12287 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12288 handle_pragma_extern_prefix): Add %< %> quotes.
12289 (registered_pragmas): New.
12290 (c_register_pragma_1): New.
12291 (c_register_pragma): Use it.
12292 (c_register_pragma_with_expansion): Likewise.
12293 (c_invoke_pragma_handler): New.
12294 (init_pragma): Use cpp_register_deferred_pragma directly for
12296 * c-pragma.h (enum pragma_kind): New.
12297 (pragma_handler): New.
12298 (c_invoke_pragma_handler): Declare.
12299 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12301 * c-common.h (c_common_pch_pragma): Update decl.
12302 * Makefile.in (c-parser.o): Update dependencies.
12303 (GTFILES): Add c-pragma.h.
12304 * c-parser.c (struct c_token): Add pragma_kind.
12305 (struct c_parser): Add in_pragma.
12306 (c_lex_one_token): Always initialize keyword and pragma_kind.
12307 Extract data for CPP_PRAGMA.
12308 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12309 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12310 Don't allow CPP_PRAGMA_EOL if in_pragma.
12311 (c_parser_consume_pragma): New.
12312 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12313 (c_parser_skip_to_end_of_parameter): Likewise.
12314 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12315 (c_parser_skip_to_pragma_eol): New.
12316 (c_parser_external_declaration): Handle CPP_PRAGMA.
12317 (c_parser_compound_statement_nostart): Likewise.
12318 (c_parser_statement_after_labels): Likewise.
12319 (c_parser_pragma): New.
12320 (pragma_lex): Likewise.
12321 (c_parser_pragma_pch_preprocess): New.
12322 (c_parser_new): Merge into ...
12323 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12325 2006-01-04 Jeff Law <law@redhat.com>
12328 * tree-cfg.c (bsi_replace): Remove the original statement
12329 from the EH throw statement table.
12331 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12333 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12334 make the prototype extern "C" and add throw ().
12337 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12338 and pos non-negative and pos + len <= 32.
12339 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12340 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12341 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12344 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12345 as well as sizes not multiple of component size.
12348 * function.c (instantiate_expr): New function.
12349 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12350 walk its DECL_VALUE_EXPR with instantiate_expr.
12352 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12353 DW_OP_deref{,_size} if address isn't going to be added.
12355 2006-01-04 Ben Elliston <bje@au.ibm.com>
12357 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12358 * config/fp-bit.c: Likewise.
12360 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12362 * dominance.c: Add comment about why we use DFS numbering
12365 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12366 Richard Henderson <rth@redhat.com>
12368 Merge from gomp-branch:
12369 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12370 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12372 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12374 PR rtl-optimization/25578
12375 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12376 pass a parameter to simplify_shift_const if changing ASHIFTRT
12379 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12381 * builtins.c (get_builtin_sync_mem): New function.
12382 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12383 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12384 Call get_builtin_sync_mem to generate mem rtx.
12386 2006-01-03 Richard Guenther <rguenther@suse.de>
12389 * stmt.c (add_case_node): Make sure to clear overflow flags
12392 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12394 Merge from gomp-branch.
12395 * config/sparc/sync.md: New file.
12396 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12397 UNSPECV_LDSTUB): New constants.
12398 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12399 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12400 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12403 2006-01-03 Roger Sayle <roger@eyesopen.com>
12405 * combine.c (reg_subword_p): New predicate to test whether the
12406 destination of a set refers to a subword/piece of a register.
12407 (try_combine): Generalize the code to merge the setting of a
12408 pseudo to a constant followed by a set of a subword of that
12409 register to a constant.
12411 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12413 * basic-block.h (control_flow_graph): Change the type of
12414 x_label_to_block_map to VEC(basic_block,gc) *.
12415 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12416 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12418 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12419 VEC(basic_block,heap) *.
12420 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12421 ssa_prop_fini): Adjust the uses of cfg_blocks.
12423 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12425 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12427 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12428 hashing trees instead of a pointer hash.
12429 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12430 compare for MEM_EXPR.
12432 PR rtl-optimization/25130
12433 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12434 when comparing MEMs for GCSE
12436 2006-01-03 Ben Elliston <bje@au.ibm.com>
12438 * targhooks.h (default_decimal_float_supported_p): Declare.
12439 * targhooks.c (default_decimal_float_supported_p): Define.
12440 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12441 `default_decimal_float_supported_p'.
12442 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12444 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12446 * combine.c (apply_distributive_law <SUBREG>): Check
12447 TRULY_NOOP_TRUNCATION.
12449 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12451 * dwarf2out.c (have_switched_text_section): Delete.
12452 (have_multiple_function_sections): New.
12453 (have_location_lists): Make 'bool'.
12454 (add_AT_loc_list): Use 'true' not '1'.
12455 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12456 (output_loc_list): Use have_multiple_function_sections.
12457 (output_ranges): Likewise.
12458 (dwarf2out_begin_function): Set have_multiple_function_sections if
12460 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12461 Check function_section rather than DECL_SECTION_NAME.
12462 (dwarf2out_finish): Use have_multiple_function_sections.
12463 Don't clear have_location_lists.
12465 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12466 Jan Hubicka <jh@suse.cz>
12468 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12469 case of conditional jump jumping to the next instruction.
12470 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12471 cases of conditional jump jumping to the next instruction.
12473 2006-01-02 Jan Hubicka <jh@suse.cz>
12475 * i386.c (*_cost): Add COSTS_N_INSNS.
12476 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12478 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12481 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12483 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12485 * config/arm/arm.c (all_fpus): Fix comment typo.
12486 * config/darwin.c: Likewise.
12487 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12488 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12489 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12491 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12493 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12494 (rs6000_split_compare_and_swapqhi): New.
12495 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12496 (sync_compare_and_swapqhi_internal): New.
12497 * config/rs6000/rs6000-protos.h: Declare.